Merge tag 'v3.4.105' into cm-12.0

This is the 3.4.105 stable release

Conflicts:
	arch/arm/mm/proc-v7.S
	drivers/bluetooth/hci_ldisc.c
	drivers/media/dvb/dvb-core/dmxdev.c
	drivers/usb/core/driver.c
	drivers/usb/dwc3/core.c
	drivers/usb/host/xhci-hub.c
	drivers/usb/host/xhci.c
	drivers/usb/serial/qcserial.c
	drivers/usb/serial/usb_wwan.c
	kernel/events/core.c
	kernel/time/tick-sched.ck
	kernel/futex.c
	mm/memory_hotplug.c
	mm/vmscan.c
	net/bluetooth/hci_conn.c
	net/bluetooth/hci_event.c
	net/bluetooth/l2cap_core.c
	net/ipv4/ping.c
	net/wireless/nl80211.c
	sound/soc/soc-core.c

Change-Id: Id09da84afb427ba1a32ff26e74f2bb86458d4a2e
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 9bdfcf5..93f3034 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -34,6 +34,7 @@
 #include <linux/dmi.h>
 #include <linux/slab.h>
 #include <linux/suspend.h>
+#include <linux/delay.h>
 #include <asm/unaligned.h>
 
 #ifdef CONFIG_ACPI_PROCFS_POWER
@@ -1055,6 +1056,28 @@
 	return 0;
 }
 
+/*
+ * Some machines'(E,G Lenovo Z480) ECs are not stable
+ * during boot up and this causes battery driver fails to be
+ * probed due to failure of getting battery information
+ * from EC sometimes. After several retries, the operation
+ * may work. So add retry code here and 20ms sleep between
+ * every retries.
+ */
+static int acpi_battery_update_retry(struct acpi_battery *battery)
+{
+	int retry, ret;
+
+	for (retry = 5; retry; retry--) {
+		ret = acpi_battery_update(battery);
+		if (!ret)
+			break;
+
+		msleep(20);
+	}
+	return ret;
+}
+
 static int acpi_battery_add(struct acpi_device *device)
 {
 	int result = 0;
@@ -1074,9 +1097,11 @@
 	if (ACPI_SUCCESS(acpi_get_handle(battery->device->handle,
 			"_BIX", &handle)))
 		set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
-	result = acpi_battery_update(battery);
+
+	result = acpi_battery_update_retry(battery);
 	if (result)
 		goto fail;
+
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_battery_add_fs(device);
 #endif
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index cb96296..76da257 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -327,6 +327,19 @@
 		     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
 		},
 	},
+	/*
+	 * Without this this EEEpc exports a non working WMI interface, with
+	 * this it exports a working "good old" eeepc_laptop interface, fixing
+	 * both brightness control, and rfkill not working.
+	 */
+	{
+	.callback = dmi_enable_osi_linux,
+	.ident = "Asus EEE PC 1015PX",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
+		},
+	},
 	{}
 };
 
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 0bf5ec2..06d2d22 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -57,6 +57,12 @@
 
 
 #ifdef CONFIG_X86
+#ifdef CONFIG_ACPI_CUSTOM_DSDT
+static inline int set_copy_dsdt(const struct dmi_system_id *id)
+{
+	return 0;
+}
+#else
 static int set_copy_dsdt(const struct dmi_system_id *id)
 {
 	printk(KERN_NOTICE "%s detected - "
@@ -64,6 +70,7 @@
 	acpi_gbl_copy_dsdt_locally = 1;
 	return 0;
 }
+#endif
 
 static struct dmi_system_id dsdt_dmi_table[] __initdata = {
 	/*
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 6cba428..e1180ce 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1195,9 +1195,9 @@
 
 	if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) {
 
-		cpuidle_pause_and_lock();
 		/* Protect against cpu-hotplug */
 		get_online_cpus();
+		cpuidle_pause_and_lock();
 
 		/* Disable all cpuidle devices */
 		for_each_online_cpu(cpu) {
@@ -1222,8 +1222,8 @@
 				cpuidle_enable_device(&_pr->power.dev);
 			}
 		}
-		put_online_cpus();
 		cpuidle_resume_and_unlock();
+		put_online_cpus();
 	}
 
 	return 0;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 1d02b7b..c653cc2 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -59,6 +59,12 @@
 	int target_state;		/* target T-state */
 };
 
+struct acpi_processor_throttling_arg {
+	struct acpi_processor *pr;
+	int target_state;
+	bool force;
+};
+
 #define THROTTLING_PRECHANGE       (1)
 #define THROTTLING_POSTCHANGE      (2)
 
@@ -1062,16 +1068,24 @@
 	return 0;
 }
 
+static long acpi_processor_throttling_fn(void *data)
+{
+	struct acpi_processor_throttling_arg *arg = data;
+	struct acpi_processor *pr = arg->pr;
+
+	return pr->throttling.acpi_processor_set_throttling(pr,
+			arg->target_state, arg->force);
+}
+
 int acpi_processor_set_throttling(struct acpi_processor *pr,
 						int state, bool force)
 {
-	cpumask_var_t saved_mask;
 	int ret = 0;
 	unsigned int i;
 	struct acpi_processor *match_pr;
 	struct acpi_processor_throttling *p_throttling;
+	struct acpi_processor_throttling_arg arg;
 	struct throttling_tstate t_state;
-	cpumask_var_t online_throttling_cpus;
 
 	if (!pr)
 		return -EINVAL;
@@ -1082,14 +1096,6 @@
 	if ((state < 0) || (state > (pr->throttling.state_count - 1)))
 		return -EINVAL;
 
-	if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL))
-		return -ENOMEM;
-
-	if (!alloc_cpumask_var(&online_throttling_cpus, GFP_KERNEL)) {
-		free_cpumask_var(saved_mask);
-		return -ENOMEM;
-	}
-
 	if (cpu_is_offline(pr->id)) {
 		/*
 		 * the cpu pointed by pr->id is offline. Unnecessary to change
@@ -1098,17 +1104,15 @@
 		return -ENODEV;
 	}
 
-	cpumask_copy(saved_mask, &current->cpus_allowed);
 	t_state.target_state = state;
 	p_throttling = &(pr->throttling);
-	cpumask_and(online_throttling_cpus, cpu_online_mask,
-		    p_throttling->shared_cpu_map);
+
 	/*
 	 * The throttling notifier will be called for every
 	 * affected cpu in order to get one proper T-state.
 	 * The notifier event is THROTTLING_PRECHANGE.
 	 */
-	for_each_cpu(i, online_throttling_cpus) {
+	for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) {
 		t_state.cpu = i;
 		acpi_processor_throttling_notifier(THROTTLING_PRECHANGE,
 							&t_state);
@@ -1120,21 +1124,18 @@
 	 * it can be called only for the cpu pointed by pr.
 	 */
 	if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) {
-		/* FIXME: use work_on_cpu() */
-		if (set_cpus_allowed_ptr(current, cpumask_of(pr->id))) {
-			/* Can't migrate to the pr->id CPU. Exit */
-			ret = -ENODEV;
-			goto exit;
-		}
-		ret = p_throttling->acpi_processor_set_throttling(pr,
-						t_state.target_state, force);
+		arg.pr = pr;
+		arg.target_state = state;
+		arg.force = force;
+		ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, &arg);
 	} else {
 		/*
 		 * When the T-state coordination is SW_ALL or HW_ALL,
 		 * it is necessary to set T-state for every affected
 		 * cpus.
 		 */
-		for_each_cpu(i, online_throttling_cpus) {
+		for_each_cpu_and(i, cpu_online_mask,
+		    p_throttling->shared_cpu_map) {
 			match_pr = per_cpu(processors, i);
 			/*
 			 * If the pointer is invalid, we will report the
@@ -1155,13 +1156,12 @@
 					"on CPU %d\n", i));
 				continue;
 			}
-			t_state.cpu = i;
-			/* FIXME: use work_on_cpu() */
-			if (set_cpus_allowed_ptr(current, cpumask_of(i)))
-				continue;
-			ret = match_pr->throttling.
-				acpi_processor_set_throttling(
-				match_pr, t_state.target_state, force);
+
+			arg.pr = match_pr;
+			arg.target_state = state;
+			arg.force = force;
+			ret = work_on_cpu(pr->id, acpi_processor_throttling_fn,
+				&arg);
 		}
 	}
 	/*
@@ -1170,17 +1170,12 @@
 	 * affected cpu to update the T-states.
 	 * The notifier event is THROTTLING_POSTCHANGE
 	 */
-	for_each_cpu(i, online_throttling_cpus) {
+	for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) {
 		t_state.cpu = i;
 		acpi_processor_throttling_notifier(THROTTLING_POSTCHANGE,
 							&t_state);
 	}
-	/* restore the previous state */
-	/* FIXME: use work_on_cpu() */
-	set_cpus_allowed_ptr(current, saved_mask);
-exit:
-	free_cpumask_var(online_throttling_cpus);
-	free_cpumask_var(saved_mask);
+
 	return ret;
 }
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 6d2c49b..8c5ad89 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -463,6 +463,22 @@
 		DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
 		},
 	},
+	{
+	 .callback = video_ignore_initial_backlight,
+	 .ident = "HP 1000 Notebook PC",
+	 .matches = {
+		DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
+		},
+	},
+	{
+	 .callback = video_ignore_initial_backlight,
+	 .ident = "HP Pavilion dm4",
+	 .matches = {
+		DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
+		},
+	},
 	{}
 };
 
@@ -632,6 +648,7 @@
 	union acpi_object *o;
 	struct acpi_video_device_brightness *br = NULL;
 	int result = -EINVAL;
+	u32 value;
 
 	if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available "
@@ -662,7 +679,12 @@
 			printk(KERN_ERR PREFIX "Invalid data\n");
 			continue;
 		}
-		br->levels[count] = (u32) o->integer.value;
+		value = (u32) o->integer.value;
+		/* Skip duplicate entries */
+		if (count > 2 && br->levels[count - 1] == value)
+			continue;
+
+		br->levels[count] = value;
 
 		if (br->levels[count] > max_level)
 			max_level = br->levels[count];
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 45d8097..1440887 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -132,6 +132,49 @@
 	return AE_OK;
 }
 
+/* Force to use vendor driver when the ACPI device is known to be
+ * buggy */
+static int video_detect_force_vendor(const struct dmi_system_id *d)
+{
+	acpi_video_support |= ACPI_VIDEO_BACKLIGHT_DMI_VENDOR;
+	return 0;
+}
+
+static struct dmi_system_id video_detect_dmi_table[] = {
+	/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
+	 * ACPI backlight device is used. This flag will definitively break
+	 * the backlight interface (even the vendor interface) untill next
+	 * reboot. It's why we should prevent video.ko from being used here
+	 * and we can't rely on a later call to acpi_video_unregister().
+	 */
+	{
+	 .callback = video_detect_force_vendor,
+	 .ident = "X360",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
+		DMI_MATCH(DMI_BOARD_NAME, "X360"),
+		},
+	},
+	{
+	.callback = video_detect_force_vendor,
+	.ident = "Asus UL30VT",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
+		},
+	},
+	{
+	.callback = video_detect_force_vendor,
+	.ident = "Asus UL30A",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
+		},
+	},
+	{ },
+};
+
 /*
  * Returns the video capabilities of a specific ACPI graphics device
  *
@@ -164,6 +207,8 @@
 		 *		ACPI_VIDEO_BACKLIGHT_DMI_VENDOR;
 		 *}
 		 */
+
+		dmi_check_system(video_detect_dmi_table);
 	} else {
 		status = acpi_bus_get_device(graphics_handle, &tmp_dev);
 		if (ACPI_FAILURE(status)) {
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index c20f157..d366a75 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -292,6 +292,27 @@
 	{ PCI_VDEVICE(INTEL, 0x1f37), board_ahci }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f3e), board_ahci }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f3f), board_ahci }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -422,15 +443,20 @@
 	  .driver_data = board_ahci_yes_fbs },			/* 88se9125 */
 	{ PCI_DEVICE(0x1b4b, 0x917a),
 	  .driver_data = board_ahci_yes_fbs },			/* 88se9172 */
+	{ PCI_DEVICE(0x1b4b, 0x9182),
+	  .driver_data = board_ahci_yes_fbs },                  /* 88se9182 */
 	{ PCI_DEVICE(0x1b4b, 0x9192),
 	  .driver_data = board_ahci_yes_fbs },			/* 88se9172 on some Gigabyte */
 	{ PCI_DEVICE(0x1b4b, 0x91a3),
 	  .driver_data = board_ahci_yes_fbs },
 	{ PCI_DEVICE(0x1b4b, 0x9230),
 	  .driver_data = board_ahci_yes_fbs },
+	{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
+	  .driver_data = board_ahci_yes_fbs },
 
 	/* Promise */
 	{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */
+	{ PCI_VDEVICE(PROMISE, 0x3781), board_ahci },   /* FastTrak TX8660 ahci-mode */
 
 	/* Asmedia */
 	{ PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci },	/* ASM1060 */
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 9dbd3ae..2f081a3 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -331,6 +331,14 @@
 	{ 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
 	/* SATA Controller IDE (Lynx Point) */
 	{ 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+	/* SATA Controller IDE (Lynx Point-LP) */
+	{ 0x8086, 0x9c00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
+	/* SATA Controller IDE (Lynx Point-LP) */
+	{ 0x8086, 0x9c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
+	/* SATA Controller IDE (Lynx Point-LP) */
+	{ 0x8086, 0x9c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+	/* SATA Controller IDE (Lynx Point-LP) */
+	{ 0x8086, 0x9c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* SATA Controller IDE (DH89xxCC) */
 	{ 0x8086, 0x2326, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 	/* SATA Controller IDE (Avoton) */
@@ -354,6 +362,14 @@
 	{ 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
 	/* SATA Controller IDE (Coleto Creek) */
 	{ 0x8086, 0x23a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+	/* SATA Controller IDE (9 Series) */
+	{ 0x8086, 0x8c88, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
+	/* SATA Controller IDE (9 Series) */
+	{ 0x8086, 0x8c89, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
+	/* SATA Controller IDE (9 Series) */
+	{ 0x8086, 0x8c80, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
+	/* SATA Controller IDE (9 Series) */
+	{ 0x8086, 0x8c81, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
 
 	{ }	/* terminate list */
 };
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 400b8c6..6b92236 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4106,6 +4106,7 @@
 
 	/* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */
 	{ "ST1000LM024 HN-M101MBB", "2AR10001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
+	{ "ST1000LM024 HN-M101MBB", "2BA30001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
 
 	/* Blacklist entries taken from Silicon Image 3124/3132
 	   Windows driver .inf file - also several Linux problem reports */
@@ -4692,6 +4693,10 @@
  *	ata_qc_new - Request an available ATA command, for queueing
  *	@ap: target port
  *
+ *	Some ATA host controllers may implement a queue depth which is less
+ *	than ATA_MAX_QUEUE. So we shouldn't allocate a tag which is beyond
+ *	the hardware limitation.
+ *
  *	LOCKING:
  *	None.
  */
@@ -4699,21 +4704,27 @@
 static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
 {
 	struct ata_queued_cmd *qc = NULL;
-	unsigned int i;
+	unsigned int max_queue = ap->host->n_tags;
+	unsigned int i, tag;
 
 	/* no command while frozen */
 	if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
 		return NULL;
 
-	/* the last tag is reserved for internal command. */
-	for (i = 0; i < ATA_MAX_QUEUE - 1; i++)
-		if (!test_and_set_bit(i, &ap->qc_allocated)) {
-			qc = __ata_qc_from_tag(ap, i);
+	for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
+		tag = tag < max_queue ? tag : 0;
+
+		/* the last tag is reserved for internal command. */
+		if (tag == ATA_TAG_INTERNAL)
+			continue;
+
+		if (!test_and_set_bit(tag, &ap->qc_allocated)) {
+			qc = __ata_qc_from_tag(ap, tag);
+			qc->tag = tag;
+			ap->last_tag = tag;
 			break;
 		}
-
-	if (qc)
-		qc->tag = i;
+	}
 
 	return qc;
 }
@@ -5953,6 +5964,7 @@
 {
 	spin_lock_init(&host->lock);
 	mutex_init(&host->eh_mutex);
+	host->n_tags = ATA_MAX_QUEUE - 1;
 	host->dev = dev;
 	host->flags = flags;
 	host->ops = ops;
@@ -6035,6 +6047,8 @@
 {
 	int i, rc;
 
+	host->n_tags = clamp(sht->can_queue, 1, ATA_MAX_QUEUE - 1);
+
 	/* host must have been started */
 	if (!(host->flags & ATA_HOST_STARTED)) {
 		dev_err(host->dev, "BUG: trying to register unstarted host\n");
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index f5c35be..0ba32fe 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -447,8 +447,11 @@
 		 * otherwise.  Don't try hard to recover it.
 		 */
 		ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY;
-	} else if (vendor == 0x197b && devid == 0x2352) {
-		/* chip found in Thermaltake BlackX Duet, jmicron JMB350? */
+	} else if (vendor == 0x197b && (devid == 0x2352 || devid == 0x0325)) {
+		/*
+		 * 0x2352: found in Thermaltake BlackX Duet, jmicron JMB350?
+		 * 0x0325: jmicron JMB394.
+		 */
 		ata_for_each_link(link, ap, EDGE) {
 			/* SRST breaks detection and disks get misclassified
 			 * LPM disabled to avoid potential problems
diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index 53d3770..47d5d58 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -408,12 +408,13 @@
 
 	host->private_data = info;
 
-	return ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
-			gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
-			irq_flags, &pata_at91_sht);
+	ret = ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
+				gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
+				irq_flags, &pata_at91_sht);
+	if (ret)
+		goto err_put;
 
-	if (!ret)
-		return 0;
+	return 0;
 
 err_put:
 	clk_put(info->mck);
diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index e265f83..19759d3 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -586,7 +586,7 @@
  *	Note: Original code is ata_bus_softreset().
  */
 
-static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
+static int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
                                       unsigned long deadline)
 {
 	struct ata_ioports *ioaddr = &ap->ioaddr;
@@ -600,9 +600,7 @@
 	udelay(20);
 	out_be32(ioaddr->ctl_addr, ap->ctl);
 
-	scc_wait_after_reset(&ap->link, devmask, deadline);
-
-	return 0;
+	return scc_wait_after_reset(&ap->link, devmask, deadline);
 }
 
 /**
@@ -619,7 +617,8 @@
 {
 	struct ata_port *ap = link->ap;
 	unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
-	unsigned int devmask = 0, err_mask;
+	unsigned int devmask = 0;
+	int rc;
 	u8 err;
 
 	DPRINTK("ENTER\n");
@@ -635,9 +634,9 @@
 
 	/* issue bus reset */
 	DPRINTK("about to softreset, devmask=%x\n", devmask);
-	err_mask = scc_bus_softreset(ap, devmask, deadline);
-	if (err_mask) {
-		ata_port_err(ap, "SRST failed (err_mask=0x%x)\n", err_mask);
+	rc = scc_bus_softreset(ap, devmask, deadline);
+	if (rc) {
+		ata_port_err(ap, "SRST failed (err_mask=0x%x)\n", rc);
 		return -EIO;
 	}
 
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 9dfb40b..0c4ed89 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -157,6 +157,7 @@
 	{ "ST380011ASL",	SIL_QUIRK_MOD15WRITE },
 	{ "ST3120022ASL",	SIL_QUIRK_MOD15WRITE },
 	{ "ST3160021ASL",	SIL_QUIRK_MOD15WRITE },
+	{ "TOSHIBA MK2561GSYN",	SIL_QUIRK_MOD15WRITE },
 	{ "Maxtor 4D060H3",	SIL_QUIRK_UDMA5MAX },
 	{ }
 };
diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index f8f41e0..89b30f3 100644
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -802,7 +802,7 @@
     }
     // cast needed as there is no %? for pointer differences
     PRINTD (DBG_SKB, "allocated skb at %p, head %p, area %li",
-	    skb, skb->head, (long) (skb_end_pointer(skb) - skb->head));
+	    skb, skb->head, (long) skb_end_offset(skb));
     rx.handle = virt_to_bus (skb);
     rx.host_address = cpu_to_be32 (virt_to_bus (skb->data));
     if (rx_give (dev, &rx, pool))
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index b0e75ce..81845fa 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -1258,7 +1258,7 @@
 	tail = readl(SAR_REG_RAWCT);
 
 	pci_dma_sync_single_for_cpu(card->pcidev, IDT77252_PRV_PADDR(queue),
-				    skb_end_pointer(queue) - queue->head - 16,
+				    skb_end_offset(queue) - 16,
 				    PCI_DMA_FROMDEVICE);
 
 	while (head != tail) {
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 97fc774..baa2f19 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -51,6 +51,7 @@
 static LIST_HEAD(deferred_probe_pending_list);
 static LIST_HEAD(deferred_probe_active_list);
 static struct workqueue_struct *deferred_wq;
+static atomic_t deferred_trigger_count = ATOMIC_INIT(0);
 
 /**
  * deferred_probe_work_func() - Retry probing devices in the active list.
@@ -122,6 +123,17 @@
  * This functions moves all devices from the pending list to the active
  * list and schedules the deferred probe workqueue to process them.  It
  * should be called anytime a driver is successfully bound to a device.
+ *
+ * Note, there is a race condition in multi-threaded probe. In the case where
+ * more than one device is probing at the same time, it is possible for one
+ * probe to complete successfully while another is about to defer. If the second
+ * depends on the first, then it will get put on the pending list after the
+ * trigger event has already occured and will be stuck there.
+ *
+ * The atomic 'deferred_trigger_count' is used to determine if a successful
+ * trigger has occurred in the midst of probing a driver. If the trigger count
+ * changes in the midst of a probe, then deferred processing should be triggered
+ * again.
  */
 static void driver_deferred_probe_trigger(void)
 {
@@ -134,6 +146,7 @@
 	 * into the active list so they can be retried by the workqueue
 	 */
 	mutex_lock(&deferred_probe_mutex);
+	atomic_inc(&deferred_trigger_count);
 	list_splice_tail_init(&deferred_probe_pending_list,
 			      &deferred_probe_active_list);
 	mutex_unlock(&deferred_probe_mutex);
@@ -252,6 +265,7 @@
 static int really_probe(struct device *dev, struct device_driver *drv)
 {
 	int ret = 0;
+	int local_trigger_count = atomic_read(&deferred_trigger_count);
 
 	atomic_inc(&probe_count);
 	pr_debug("bus: '%s': %s: probing driver %s with device %s\n",
@@ -290,6 +304,9 @@
 		/* Driver requested deferred probing */
 		dev_info(dev, "Driver %s requests probe deferral\n", drv->name);
 		driver_deferred_probe_add(dev);
+		/* Did a trigger occur while probing? Need to re-trigger if yes */
+		if (local_trigger_count != atomic_read(&deferred_trigger_count))
+			driver_deferred_probe_trigger();
 	} else if (ret != -ENODEV && ret != -ENXIO) {
 		/* driver matched but the probe failed */
 		printk(KERN_WARNING
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index ca72d1f..e554542 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -48,7 +48,7 @@
 
 bool regmap_volatile(struct regmap *map, unsigned int reg)
 {
-	if (!regmap_readable(map, reg))
+	if (!map->format.format_write && !regmap_readable(map, reg))
 		return false;
 
 	if (map->volatile_reg)
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index c82f06e..bc99e5c 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3058,7 +3058,10 @@
 	int ret;
 
 	while (ptr) {
-		ret = copy_to_user(param, ptr, sizeof(*ptr));
+		struct floppy_raw_cmd cmd = *ptr;
+		cmd.next = NULL;
+		cmd.kernel_data = NULL;
+		ret = copy_to_user(param, &cmd, sizeof(cmd));
 		if (ret)
 			return -EFAULT;
 		param += sizeof(struct floppy_raw_cmd);
@@ -3112,10 +3115,11 @@
 		return -ENOMEM;
 	*rcmd = ptr;
 	ret = copy_from_user(ptr, param, sizeof(*ptr));
-	if (ret)
-		return -EFAULT;
 	ptr->next = NULL;
 	ptr->buffer_length = 0;
+	ptr->kernel_data = NULL;
+	if (ret)
+		return -EFAULT;
 	param += sizeof(struct floppy_raw_cmd);
 	if (ptr->cmd_count > 33)
 			/* the command may now also take up the space
@@ -3131,7 +3135,6 @@
 	for (i = 0; i < 16; i++)
 		ptr->reply[i] = 0;
 	ptr->resultcode = 0;
-	ptr->kernel_data = NULL;
 
 	if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
 		if (ptr->length <= 0)
@@ -4303,7 +4306,7 @@
 
 		err = platform_device_register(&floppy_device[drive]);
 		if (err)
-			goto out_flush_work;
+			goto out_remove_drives;
 
 		err = device_create_file(&floppy_device[drive].dev,
 					 &dev_attr_cmos);
@@ -4321,6 +4324,15 @@
 
 out_unreg_platform_dev:
 	platform_device_unregister(&floppy_device[drive]);
+out_remove_drives:
+	while (drive--) {
+		if ((allowed_drive_mask & (1 << drive)) &&
+		    fdc_state[FDC(drive)].version != FDC_NONE) {
+			del_gendisk(disks[drive]);
+			device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
+			platform_device_unregister(&floppy_device[drive]);
+		}
+	}
 out_flush_work:
 	flush_work_sync(&floppy_work);
 	if (atomic_read(&usage_count))
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 386d40e..35fc569 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -584,14 +584,24 @@
 		struct request sreq;
 
 		dev_info(disk_to_dev(nbd->disk), "NBD_DISCONNECT\n");
+		if (!nbd->sock)
+			return -EINVAL;
 
+		mutex_unlock(&nbd->tx_lock);
+		fsync_bdev(bdev);
+		mutex_lock(&nbd->tx_lock);
 		blk_rq_init(NULL, &sreq);
 		sreq.cmd_type = REQ_TYPE_SPECIAL;
 		nbd_cmd(&sreq) = NBD_CMD_DISC;
+
+		/* Check again after getting mutex back.  */
 		if (!nbd->sock)
 			return -EINVAL;
+
+		nbd->disconnect = 1;
+
 		nbd_send_req(nbd, &sreq);
-                return 0;
+		return 0;
 	}
  
 	case NBD_CLEAR_SOCK: {
@@ -603,6 +613,7 @@
 		nbd_clear_que(nbd);
 		BUG_ON(!list_empty(&nbd->queue_head));
 		BUG_ON(!list_empty(&nbd->waiting_queue));
+		kill_bdev(bdev);
 		if (file)
 			fput(file);
 		return 0;
@@ -620,6 +631,7 @@
 				nbd->sock = SOCKET_I(inode);
 				if (max_part > 0)
 					bdev->bd_invalidated = 1;
+				nbd->disconnect = 0; /* we're connected now */
 				return 0;
 			} else {
 				fput(file);
@@ -684,6 +696,7 @@
 		nbd->file = NULL;
 		nbd_clear_que(nbd);
 		dev_warn(disk_to_dev(nbd->disk), "queue cleared\n");
+		kill_bdev(bdev);
 		if (file)
 			fput(file);
 		nbd->bytesize = 0;
@@ -691,6 +704,8 @@
 		set_capacity(nbd->disk, 0);
 		if (max_part > 0)
 			ioctl_by_bdev(bdev, BLKRRPART, 0);
+		if (nbd->disconnect) /* user requested, ignore socket errors */
+			return 0;
 		return nbd->harderror;
 	}
 
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index e51fdc7..98bb43f 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -27,9 +27,6 @@
 	/* The disk structure for the kernel. */
 	struct gendisk *disk;
 
-	/* Request tracking. */
-	struct list_head reqs;
-
 	mempool_t *pool;
 
 	/* Process context for config space updates */
@@ -53,7 +50,6 @@
 
 struct virtblk_req
 {
-	struct list_head list;
 	struct request *req;
 	struct virtio_blk_outhdr out_hdr;
 	struct virtio_scsi_inhdr in_hdr;
@@ -97,7 +93,6 @@
 		}
 
 		__blk_end_request_all(vbr->req, error);
-		list_del(&vbr->list);
 		mempool_free(vbr, vblk->pool);
 	}
 	/* In case queue is stopped waiting for more buffers. */
@@ -182,7 +177,6 @@
 		return false;
 	}
 
-	list_add_tail(&vbr->list, &vblk->reqs);
 	return true;
 }
 
@@ -435,7 +429,6 @@
 		goto out_free_index;
 	}
 
-	INIT_LIST_HEAD(&vblk->reqs);
 	vblk->vdev = vdev;
 	vblk->sg_elems = sg_elems;
 	sg_init_table(vblk->sg, vblk->sg_elems);
@@ -580,27 +573,30 @@
 {
 	struct virtio_blk *vblk = vdev->priv;
 	int index = vblk->index;
+	int refc;
 
 	/* Prevent config work handler from accessing the device. */
 	mutex_lock(&vblk->config_lock);
 	vblk->config_enable = false;
 	mutex_unlock(&vblk->config_lock);
 
-	/* Nothing should be pending. */
-	BUG_ON(!list_empty(&vblk->reqs));
+	del_gendisk(vblk->disk);
+	blk_cleanup_queue(vblk->disk->queue);
 
 	/* Stop all the virtqueues. */
 	vdev->config->reset(vdev);
 
 	flush_work(&vblk->config_work);
 
-	del_gendisk(vblk->disk);
-	blk_cleanup_queue(vblk->disk->queue);
+	refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount);
 	put_disk(vblk->disk);
 	mempool_destroy(vblk->pool);
 	vdev->config->del_vqs(vdev);
 	kfree(vblk);
-	ida_simple_remove(&vd_index_ida, index);
+
+	/* Only free device id if we don't have any users */
+	if (refc == 1)
+		ida_simple_remove(&vd_index_ida, index);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 0ed5df4..ae1b0c4 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -274,6 +274,7 @@
 {
 	struct xen_blkif *blkif = arg;
 	struct xen_vbd *vbd = &blkif->vbd;
+	int ret;
 
 	xen_blkif_get(blkif);
 
@@ -294,8 +295,12 @@
 		blkif->waiting_reqs = 0;
 		smp_mb(); /* clear flag *before* checking for work */
 
-		if (do_block_io_op(blkif))
+		ret = do_block_io_op(blkif);
+		if (ret > 0)
 			blkif->waiting_reqs = 1;
+		if (ret == -EACCES)
+			wait_event_interruptible(blkif->shutdown_wq,
+						 kthread_should_stop());
 
 		if (log_stats && time_after(jiffies, blkif->st_print))
 			print_stats(blkif);
@@ -531,6 +536,12 @@
 	rp = blk_rings->common.sring->req_prod;
 	rmb(); /* Ensure we see queued requests up to 'rp'. */
 
+	if (RING_REQUEST_PROD_OVERFLOW(&blk_rings->common, rp)) {
+		rc = blk_rings->common.rsp_prod_pvt;
+		pr_warn(DRV_PFX "Frontend provided bogus ring requests (%d - %d = %d). Halting ring processing on dev=%04x\n",
+			rp, rc, rp - rc, blkif->vbd.pdevice);
+		return -EACCES;
+	}
 	while (rc != rp) {
 
 		if (RING_REQUEST_CONS_OVERFLOW(&blk_rings->common, rc))
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index fc2a486..933adc5 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -216,6 +216,8 @@
 	int			st_wr_sect;
 
 	wait_queue_head_t	waiting_to_free;
+	/* Thread shutdown wait queue. */
+	wait_queue_head_t	shutdown_wq;
 };
 
 
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index a155254..5a0062f 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -118,6 +118,7 @@
 	atomic_set(&blkif->drain, 0);
 	blkif->st_print = jiffies;
 	init_waitqueue_head(&blkif->waiting_to_free);
+	init_waitqueue_head(&blkif->shutdown_wq);
 
 	return blkif;
 }
@@ -178,6 +179,7 @@
 {
 	if (blkif->xenblkd) {
 		kthread_stop(blkif->xenblkd);
+		wake_up(&blkif->shutdown_wq);
 		blkif->xenblkd = NULL;
 	}
 
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 72c773d..9925c4e 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -62,6 +62,7 @@
 
 	/* Atheros AR3011 with sflash firmware*/
 	{ USB_DEVICE(0x0CF3, 0x3002) },
+	{ USB_DEVICE(0x0CF3, 0xE019) },
 	{ USB_DEVICE(0x13d3, 0x3304) },
 	{ USB_DEVICE(0x0930, 0x0215) },
 	{ USB_DEVICE(0x0489, 0xE03D) },
@@ -73,16 +74,35 @@
 	/* Atheros AR3012 with sflash firmware*/
 	{ USB_DEVICE(0x0CF3, 0x0036) },
 	{ USB_DEVICE(0x0CF3, 0x3004) },
+	{ USB_DEVICE(0x0CF3, 0x3008) },
 	{ USB_DEVICE(0x0CF3, 0x311D) },
 	{ USB_DEVICE(0x0CF3, 0x817a) },
 	{ USB_DEVICE(0x13d3, 0x3375) },
+	{ USB_DEVICE(0x04CA, 0x3004) },
 	{ USB_DEVICE(0x04CA, 0x3005) },
+	{ USB_DEVICE(0x04CA, 0x3006) },
+	{ USB_DEVICE(0x04CA, 0x3008) },
 	{ USB_DEVICE(0x13d3, 0x3362) },
 	{ USB_DEVICE(0x0CF3, 0xE004) },
+	{ USB_DEVICE(0x0CF3, 0xE005) },
+	{ USB_DEVICE(0x0930, 0x0219) },
+	{ USB_DEVICE(0x0489, 0xe057) },
+	{ USB_DEVICE(0x13d3, 0x3393) },
+	{ USB_DEVICE(0x0489, 0xe04e) },
+	{ USB_DEVICE(0x0489, 0xe056) },
+	{ USB_DEVICE(0x0489, 0xe04d) },
+	{ USB_DEVICE(0x04c5, 0x1330) },
+	{ USB_DEVICE(0x13d3, 0x3402) },
+	{ USB_DEVICE(0x0cf3, 0x3121) },
+	{ USB_DEVICE(0x0cf3, 0xe003) },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xE02C) },
 
+	/* Atheros AR5BBU22 with sflash firmware */
+	{ USB_DEVICE(0x0489, 0xE03C) },
+	{ USB_DEVICE(0x0489, 0xE036) },
+
 	{ }	/* Terminating entry */
 };
 
@@ -96,12 +116,31 @@
 	/* Atheros AR3012 with sflash firmware*/
 	{ USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
+
+	/* Atheros AR5BBU22 with sflash firmware */
+	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
 
 	{ }	/* Terminating entry */
 };
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index cec9447..9551921 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -63,6 +63,9 @@
 	/* Apple-specific (Broadcom) devices */
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
 
+	/* MediaTek MT76x0E */
+	{ USB_DEVICE(0x0e8d, 0x763f) },
+
 	/* Broadcom SoftSailing reporting vendor specific */
 	{ USB_DEVICE(0x05ac, 0x21e1) },
 
@@ -104,11 +107,14 @@
 	{ USB_DEVICE(0x0c10, 0x0000) },
 
 	/* Broadcom BCM20702A0 */
+	{ USB_DEVICE(0x0b05, 0x17b5) },
+	{ USB_DEVICE(0x0b05, 0x17cb) },
+	{ USB_DEVICE(0x04ca, 0x2003) },
 	{ USB_DEVICE(0x0489, 0xe042) },
 	{ USB_DEVICE(0x413c, 0x8197) },
 
 	/* Foxconn - Hon Hai */
-	{ USB_DEVICE(0x0489, 0xe033) },
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
 
 	/*Broadcom devices with vendor specific id */
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
@@ -127,6 +133,7 @@
 
 	/* Atheros 3011 with sflash firmware */
 	{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
+	{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
@@ -138,16 +145,35 @@
 	/* Atheros 3012 with sflash firmware */
 	{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
 
+	/* Atheros AR5BBU12 with sflash firmware */
+	{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
+
 	/* Broadcom BCM2035 */
 	{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
 	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 81f5d32..f094df3 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -121,10 +121,6 @@
 
 int hci_uart_tx_wakeup(struct hci_uart *hu)
 {
-	struct tty_struct *tty = hu->tty;
-	struct hci_dev *hdev = hu->hdev;
-	struct sk_buff *skb;
-
 	if (test_and_set_bit(HCI_UART_SENDING, &hu->tx_state)) {
 		set_bit(HCI_UART_TX_WAKEUP, &hu->tx_state);
 		return 0;
@@ -132,6 +128,22 @@
 
 	BT_DBG("");
 
+	schedule_work(&hu->write_work);
+
+	return 0;
+}
+
+static void hci_uart_write_work(struct work_struct *work)
+{
+	struct hci_uart *hu = container_of(work, struct hci_uart, write_work);
+	struct tty_struct *tty = hu->tty;
+	struct hci_dev *hdev = hu->hdev;
+	struct sk_buff *skb;
+
+	/* REVISIT: should we cope with bad skbs or ->write() returning
+	 * and error value ?
+	 */
+
 restart:
 	clear_bit(HCI_UART_TX_WAKEUP, &hu->tx_state);
 
@@ -156,7 +168,6 @@
 		goto restart;
 
 	clear_bit(HCI_UART_SENDING, &hu->tx_state);
-	return 0;
 }
 
 /* ------- Interface to HCI layer ------ */
@@ -276,6 +287,8 @@
 	hu->tty = tty;
 	tty->receive_room = 65536;
 
+	INIT_WORK(&hu->write_work, hci_uart_write_work);
+
 	spin_lock_init(&hu->rx_lock);
 	tasklet_init(&hu->tty_wakeup_task, hci_uart_tty_wakeup_action,
 			 (unsigned long)hu);
@@ -314,6 +327,8 @@
 
 		tasklet_kill(&hu->tty_wakeup_task);
 
+		cancel_work_sync(&hu->write_work);
+
 		if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
 			hu->proto->close(hu);
 			if (hdev) {
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index b9efe30..09f3497 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -65,6 +65,8 @@
 	unsigned long		flags;
 	unsigned long		hdev_flags;
 
+	struct work_struct	write_work;
+
 	struct hci_uart_proto	*proto;
 	struct tasklet_struct	tty_wakeup_task;
 	void			*priv;
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 25373df..5d069c7 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -345,7 +345,6 @@
 			free_irq(apbs[i].irq, &dummy);
 		iounmap(apbs[i].RamIO);
 	}
-	pci_disable_device(dev);
 	return ret;
 }
 
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index a22a7a5..8156caf 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -352,7 +352,7 @@
 
 static inline int read_all_bytes(struct si_sm_data *bt)
 {
-	unsigned char i;
+	unsigned int i;
 
 	/*
 	 * length is "framing info", minimum = 4: NetFn, Seq, Cmd, cCode.
diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c
index e53fc24..e1ddcf9 100644
--- a/drivers/char/ipmi/ipmi_kcs_sm.c
+++ b/drivers/char/ipmi/ipmi_kcs_sm.c
@@ -251,8 +251,9 @@
 	if (!GET_STATUS_OBF(status)) {
 		kcs->obf_timeout -= time;
 		if (kcs->obf_timeout < 0) {
-		    start_error_recovery(kcs, "OBF not ready in time");
-		    return 1;
+			kcs->obf_timeout = OBF_RETRY_TIMEOUT;
+			start_error_recovery(kcs, "OBF not ready in time");
+			return 1;
 		}
 		return 0;
 	}
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 1e638ff..bdecba5 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -244,6 +244,9 @@
 	/* The timer for this si. */
 	struct timer_list   si_timer;
 
+	/* This flag is set, if the timer is running (timer_pending() isn't enough) */
+	bool		    timer_running;
+
 	/* The time (in jiffies) the last timeout occurred at. */
 	unsigned long       last_timeout_jiffies;
 
@@ -427,6 +430,13 @@
 	smi_info->si_state = SI_CLEARING_FLAGS;
 }
 
+static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val)
+{
+	smi_info->last_timeout_jiffies = jiffies;
+	mod_timer(&smi_info->si_timer, new_val);
+	smi_info->timer_running = true;
+}
+
 /*
  * When we have a situtaion where we run out of memory and cannot
  * allocate messages, we just leave them in the BMC and run the system
@@ -439,8 +449,7 @@
 		start_disable_irq(smi_info);
 		smi_info->interrupt_disabled = 1;
 		if (!atomic_read(&smi_info->stop_operation))
-			mod_timer(&smi_info->si_timer,
-				  jiffies + SI_TIMEOUT_JIFFIES);
+			smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);
 	}
 }
 
@@ -896,15 +905,7 @@
 		list_add_tail(&msg->link, &smi_info->xmit_msgs);
 
 	if (smi_info->si_state == SI_NORMAL && smi_info->curr_msg == NULL) {
-		/*
-		 * last_timeout_jiffies is updated here to avoid
-		 * smi_timeout() handler passing very large time_diff
-		 * value to smi_event_handler() that causes
-		 * the send command to abort.
-		 */
-		smi_info->last_timeout_jiffies = jiffies;
-
-		mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
+		smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);
 
 		if (smi_info->thread)
 			wake_up_process(smi_info->thread);
@@ -993,6 +994,17 @@
 
 		spin_lock_irqsave(&(smi_info->si_lock), flags);
 		smi_result = smi_event_handler(smi_info, 0);
+
+		/*
+		 * If the driver is doing something, there is a possible
+		 * race with the timer.  If the timer handler see idle,
+		 * and the thread here sees something else, the timer
+		 * handler won't restart the timer even though it is
+		 * required.  So start it here if necessary.
+		 */
+		if (smi_result != SI_SM_IDLE && !smi_info->timer_running)
+			smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);
+
 		spin_unlock_irqrestore(&(smi_info->si_lock), flags);
 		busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,
 						  &busy_until);
@@ -1062,10 +1074,6 @@
 		     * SI_USEC_PER_JIFFY);
 	smi_result = smi_event_handler(smi_info, time_diff);
 
-	spin_unlock_irqrestore(&(smi_info->si_lock), flags);
-
-	smi_info->last_timeout_jiffies = jiffies_now;
-
 	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
 		/* Running with interrupts, only do long timeouts. */
 		timeout = jiffies + SI_TIMEOUT_JIFFIES;
@@ -1087,7 +1095,10 @@
 
  do_mod_timer:
 	if (smi_result != SI_SM_IDLE)
-		mod_timer(&(smi_info->si_timer), timeout);
+		smi_mod_timer(smi_info, timeout);
+	else
+		smi_info->timer_running = false;
+	spin_unlock_irqrestore(&(smi_info->si_lock), flags);
 }
 
 static irqreturn_t si_irq_handler(int irq, void *data)
@@ -1135,8 +1146,7 @@
 
 	/* Set up the timer that drives the interface. */
 	setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi);
-	new_smi->last_timeout_jiffies = jiffies;
-	mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
+	smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES);
 
 	/*
 	 * Check if the user forcefully enabled the daemon.
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 817eeb6..1052fc4 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -867,16 +867,24 @@
 	if (r->entropy_count / 8 < min + reserved) {
 		nbytes = 0;
 	} else {
+		int entropy_count, orig;
+retry:
+		entropy_count = orig = ACCESS_ONCE(r->entropy_count);
 		/* If limited, never pull more than available */
-		if (r->limit && nbytes + reserved >= r->entropy_count / 8)
-			nbytes = r->entropy_count/8 - reserved;
+		if (r->limit && nbytes + reserved >= entropy_count / 8)
+			nbytes = entropy_count/8 - reserved;
 
-		if (r->entropy_count / 8 >= nbytes + reserved)
-			r->entropy_count -= nbytes*8;
-		else
-			r->entropy_count = reserved;
+		if (entropy_count / 8 >= nbytes + reserved) {
+			entropy_count -= nbytes*8;
+			if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
+				goto retry;
+		} else {
+			entropy_count = reserved;
+			if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
+				goto retry;
+		}
 
-		if (r->entropy_count < random_write_wakeup_thresh) {
+		if (entropy_count < random_write_wakeup_thresh) {
 			wake_up_interruptible(&random_write_wait);
 			kill_fasync(&fasync, SIGIO, POLL_OUT);
 		}
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 0cd2d50..a81f469 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -131,7 +131,8 @@
 	spinlock_t ports_lock;
 
 	/* To protect the vq operations for the control channel */
-	spinlock_t cvq_lock;
+	spinlock_t c_ivq_lock;
+	spinlock_t c_ovq_lock;
 
 	/* The current config space is stored here */
 	struct virtio_console_config config;
@@ -460,11 +461,14 @@
 	vq = portdev->c_ovq;
 
 	sg_init_one(sg, &cpkt, sizeof(cpkt));
+
+	spin_lock(&portdev->c_ovq_lock);
 	if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt, GFP_ATOMIC) >= 0) {
 		virtqueue_kick(vq);
 		while (!virtqueue_get_buf(vq, &len))
 			cpu_relax();
 	}
+	spin_unlock(&portdev->c_ovq_lock);
 	return 0;
 }
 
@@ -1474,23 +1478,23 @@
 	portdev = container_of(work, struct ports_device, control_work);
 	vq = portdev->c_ivq;
 
-	spin_lock(&portdev->cvq_lock);
+	spin_lock(&portdev->c_ivq_lock);
 	while ((buf = virtqueue_get_buf(vq, &len))) {
-		spin_unlock(&portdev->cvq_lock);
+		spin_unlock(&portdev->c_ivq_lock);
 
 		buf->len = len;
 		buf->offset = 0;
 
 		handle_control_message(portdev, buf);
 
-		spin_lock(&portdev->cvq_lock);
+		spin_lock(&portdev->c_ivq_lock);
 		if (add_inbuf(portdev->c_ivq, buf) < 0) {
 			dev_warn(&portdev->vdev->dev,
 				 "Error adding buffer to queue\n");
 			free_buf(buf);
 		}
 	}
-	spin_unlock(&portdev->cvq_lock);
+	spin_unlock(&portdev->c_ivq_lock);
 }
 
 static void out_intr(struct virtqueue *vq)
@@ -1751,10 +1755,12 @@
 	if (multiport) {
 		unsigned int nr_added_bufs;
 
-		spin_lock_init(&portdev->cvq_lock);
+		spin_lock_init(&portdev->c_ivq_lock);
+		spin_lock_init(&portdev->c_ovq_lock);
 		INIT_WORK(&portdev->control_work, &control_work_handler);
 
-		nr_added_bufs = fill_queue(portdev->c_ivq, &portdev->cvq_lock);
+		nr_added_bufs = fill_queue(portdev->c_ivq,
+					   &portdev->c_ivq_lock);
 		if (!nr_added_bufs) {
 			dev_err(&vdev->dev,
 				"Error allocating buffers for control queue\n");
@@ -1895,7 +1901,7 @@
 		return ret;
 
 	if (use_multiport(portdev))
-		fill_queue(portdev->c_ivq, &portdev->cvq_lock);
+		fill_queue(portdev->c_ivq, &portdev->c_ivq_lock);
 
 	list_for_each_entry(port, &portdev->ports, list) {
 		port->in_vq = portdev->in_vqs[port->id];
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index ff18e41..094a710 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -331,6 +331,12 @@
 	if (msg->len != sizeof(*mc_op))
 		return;
 
+	/* Can only change if privileged. */
+	if (!capable(CAP_NET_ADMIN)) {
+		err = EPERM;
+		goto out;
+	}
+
 	mc_op = (enum proc_cn_mcast_op*)msg->data;
 	switch (*mc_op) {
 	case PROC_CN_MCAST_LISTEN:
@@ -343,6 +349,8 @@
 		err = EINVAL;
 		break;
 	}
+
+out:
 	cn_proc_ack(err, msg->seq, msg->ack);
 }
 
diff --git a/drivers/cpufreq/powernow-k6.c b/drivers/cpufreq/powernow-k6.c
index af23e0b..e7e87e6 100644
--- a/drivers/cpufreq/powernow-k6.c
+++ b/drivers/cpufreq/powernow-k6.c
@@ -26,41 +26,108 @@
 static unsigned int                     busfreq;   /* FSB, in 10 kHz */
 static unsigned int                     max_multiplier;
 
+static unsigned int			param_busfreq = 0;
+static unsigned int			param_max_multiplier = 0;
+
+module_param_named(max_multiplier, param_max_multiplier, uint, S_IRUGO);
+MODULE_PARM_DESC(max_multiplier, "Maximum multiplier (allowed values: 20 30 35 40 45 50 55 60)");
+
+module_param_named(bus_frequency, param_busfreq, uint, S_IRUGO);
+MODULE_PARM_DESC(bus_frequency, "Bus frequency in kHz");
 
 /* Clock ratio multiplied by 10 - see table 27 in AMD#23446 */
 static struct cpufreq_frequency_table clock_ratio[] = {
-	{45,  /* 000 -> 4.5x */ 0},
-	{50,  /* 001 -> 5.0x */ 0},
-	{40,  /* 010 -> 4.0x */ 0},
-	{55,  /* 011 -> 5.5x */ 0},
-	{20,  /* 100 -> 2.0x */ 0},
-	{30,  /* 101 -> 3.0x */ 0},
 	{60,  /* 110 -> 6.0x */ 0},
+	{55,  /* 011 -> 5.5x */ 0},
+	{50,  /* 001 -> 5.0x */ 0},
+	{45,  /* 000 -> 4.5x */ 0},
+	{40,  /* 010 -> 4.0x */ 0},
 	{35,  /* 111 -> 3.5x */ 0},
+	{30,  /* 101 -> 3.0x */ 0},
+	{20,  /* 100 -> 2.0x */ 0},
 	{0, CPUFREQ_TABLE_END}
 };
 
+static const u8 index_to_register[8] = { 6, 3, 1, 0, 2, 7, 5, 4 };
+static const u8 register_to_index[8] = { 3, 2, 4, 1, 7, 6, 0, 5 };
+
+static const struct {
+	unsigned freq;
+	unsigned mult;
+} usual_frequency_table[] = {
+	{ 400000, 40 },	// 100   * 4
+	{ 450000, 45 }, // 100   * 4.5
+	{ 475000, 50 }, //  95   * 5
+	{ 500000, 50 }, // 100   * 5
+	{ 506250, 45 }, // 112.5 * 4.5
+	{ 533500, 55 }, //  97   * 5.5
+	{ 550000, 55 }, // 100   * 5.5
+	{ 562500, 50 }, // 112.5 * 5
+	{ 570000, 60 }, //  95   * 6
+	{ 600000, 60 }, // 100   * 6
+	{ 618750, 55 }, // 112.5 * 5.5
+	{ 660000, 55 }, // 120   * 5.5
+	{ 675000, 60 }, // 112.5 * 6
+	{ 720000, 60 }, // 120   * 6
+};
+
+#define FREQ_RANGE		3000
 
 /**
  * powernow_k6_get_cpu_multiplier - returns the current FSB multiplier
  *
- *   Returns the current setting of the frequency multiplier. Core clock
+ * Returns the current setting of the frequency multiplier. Core clock
  * speed is frequency of the Front-Side Bus multiplied with this value.
  */
 static int powernow_k6_get_cpu_multiplier(void)
 {
-	u64 invalue = 0;
+	unsigned long invalue = 0;
 	u32 msrval;
 
+	local_irq_disable();
+
 	msrval = POWERNOW_IOPORT + 0x1;
 	wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */
 	invalue = inl(POWERNOW_IOPORT + 0x8);
 	msrval = POWERNOW_IOPORT + 0x0;
 	wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */
 
-	return clock_ratio[(invalue >> 5)&7].index;
+	local_irq_enable();
+
+	return clock_ratio[register_to_index[(invalue >> 5)&7]].index;
 }
 
+static void powernow_k6_set_cpu_multiplier(unsigned int best_i)
+{
+	unsigned long outvalue, invalue;
+	unsigned long msrval;
+	unsigned long cr0;
+
+	/* we now need to transform best_i to the BVC format, see AMD#23446 */
+
+	/*
+	 * The processor doesn't respond to inquiry cycles while changing the
+	 * frequency, so we must disable cache.
+	 */
+	local_irq_disable();
+	cr0 = read_cr0();
+	write_cr0(cr0 | X86_CR0_CD);
+	wbinvd();
+
+	outvalue = (1<<12) | (1<<10) | (1<<9) | (index_to_register[best_i]<<5);
+
+	msrval = POWERNOW_IOPORT + 0x1;
+	wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */
+	invalue = inl(POWERNOW_IOPORT + 0x8);
+	invalue = invalue & 0x1f;
+	outvalue = outvalue | invalue;
+	outl(outvalue, (POWERNOW_IOPORT + 0x8));
+	msrval = POWERNOW_IOPORT + 0x0;
+	wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */
+
+	write_cr0(cr0);
+	local_irq_enable();
+}
 
 /**
  * powernow_k6_set_state - set the PowerNow! multiplier
@@ -70,8 +137,6 @@
  */
 static void powernow_k6_set_state(unsigned int best_i)
 {
-	unsigned long outvalue = 0, invalue = 0;
-	unsigned long msrval;
 	struct cpufreq_freqs freqs;
 
 	if (clock_ratio[best_i].index > max_multiplier) {
@@ -85,18 +150,7 @@
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
-	/* we now need to transform best_i to the BVC format, see AMD#23446 */
-
-	outvalue = (1<<12) | (1<<10) | (1<<9) | (best_i<<5);
-
-	msrval = POWERNOW_IOPORT + 0x1;
-	wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */
-	invalue = inl(POWERNOW_IOPORT + 0x8);
-	invalue = invalue & 0xf;
-	outvalue = outvalue | invalue;
-	outl(outvalue , (POWERNOW_IOPORT + 0x8));
-	msrval = POWERNOW_IOPORT + 0x0;
-	wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */
+	powernow_k6_set_cpu_multiplier(best_i);
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
@@ -141,18 +195,57 @@
 	return 0;
 }
 
-
 static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
 {
 	unsigned int i, f;
 	int result;
+	unsigned khz;
 
 	if (policy->cpu != 0)
 		return -ENODEV;
 
-	/* get frequencies */
-	max_multiplier = powernow_k6_get_cpu_multiplier();
-	busfreq = cpu_khz / max_multiplier;
+	max_multiplier = 0;
+	khz = cpu_khz;
+	for (i = 0; i < ARRAY_SIZE(usual_frequency_table); i++) {
+		if (khz >= usual_frequency_table[i].freq - FREQ_RANGE &&
+		    khz <= usual_frequency_table[i].freq + FREQ_RANGE) {
+			khz = usual_frequency_table[i].freq;
+			max_multiplier = usual_frequency_table[i].mult;
+			break;
+		}
+	}
+	if (param_max_multiplier) {
+		for (i = 0; (clock_ratio[i].frequency != CPUFREQ_TABLE_END); i++) {
+			if (clock_ratio[i].index == param_max_multiplier) {
+				max_multiplier = param_max_multiplier;
+				goto have_max_multiplier;
+			}
+		}
+		printk(KERN_ERR "powernow-k6: invalid max_multiplier parameter, valid parameters 20, 30, 35, 40, 45, 50, 55, 60\n");
+		return -EINVAL;
+	}
+
+	if (!max_multiplier) {
+		printk(KERN_WARNING "powernow-k6: unknown frequency %u, cannot determine current multiplier\n", khz);
+		printk(KERN_WARNING "powernow-k6: use module parameters max_multiplier and bus_frequency\n");
+		return -EOPNOTSUPP;
+	}
+
+have_max_multiplier:
+	param_max_multiplier = max_multiplier;
+
+	if (param_busfreq) {
+		if (param_busfreq >= 50000 && param_busfreq <= 150000) {
+			busfreq = param_busfreq / 10;
+			goto have_busfreq;
+		}
+		printk(KERN_ERR "powernow-k6: invalid bus_frequency parameter, allowed range 50000 - 150000 kHz\n");
+		return -EINVAL;
+	}
+
+	busfreq = khz / max_multiplier;
+have_busfreq:
+	param_busfreq = busfreq * 10;
 
 	/* table init */
 	for (i = 0; (clock_ratio[i].frequency != CPUFREQ_TABLE_END); i++) {
@@ -164,7 +257,7 @@
 	}
 
 	/* cpuinfo and default policy values */
-	policy->cpuinfo.transition_latency = 200000;
+	policy->cpuinfo.transition_latency = 500000;
 	policy->cur = busfreq * max_multiplier;
 
 	result = cpufreq_frequency_table_cpuinfo(policy, clock_ratio);
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 7e2d54b..9b8d231 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -16,9 +16,13 @@
 	char *tmp;						\
 								\
 	tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC);	\
-	sprintf(tmp, format, param);				\
-	strcat(str, tmp);					\
-	kfree(tmp);						\
+	if (likely(tmp)) {					\
+		sprintf(tmp, format, param);			\
+		strcat(str, tmp);				\
+		kfree(tmp);					\
+	} else {						\
+		strcat(str, "kmalloc failure in SPRINTFCAT");	\
+	}							\
 }
 
 static void report_jump_idx(u32 status, char *outstr)
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 2ed1ac3..28a9614 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1409,6 +1409,7 @@
 	struct d40_chan *d40c = (struct d40_chan *) data;
 	struct d40_desc *d40d;
 	unsigned long flags;
+	bool callback_active;
 	dma_async_tx_callback callback;
 	void *callback_param;
 
@@ -1432,6 +1433,7 @@
 	}
 
 	/* Callback to client */
+	callback_active = !!(d40d->txd.flags & DMA_PREP_INTERRUPT);
 	callback = d40d->txd.callback;
 	callback_param = d40d->txd.callback_param;
 
@@ -1456,7 +1458,7 @@
 
 	spin_unlock_irqrestore(&d40c->lock, flags);
 
-	if (callback && (d40d->txd.flags & DMA_PREP_INTERRUPT))
+	if (callback_active && callback)
 		callback(callback_param);
 
 	return;
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index f4059e9..8ba22eb 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -962,33 +962,35 @@
 
 	/* Attempt to 'get' the MCH register we want */
 	pdev = NULL;
-	while (!pvt->pci_dev_16_1_fsb_addr_map ||
-	       !pvt->pci_dev_16_2_fsb_err_regs) {
-		pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
-				      PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, pdev);
-		if (!pdev) {
-			/* End of list, leave */
-			i7300_printk(KERN_ERR,
-				"'system address,Process Bus' "
-				"device not found:"
-				"vendor 0x%x device 0x%x ERR funcs "
-				"(broken BIOS?)\n",
-				PCI_VENDOR_ID_INTEL,
-				PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
-			goto error;
-		}
-
+	while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
+				      PCI_DEVICE_ID_INTEL_I7300_MCH_ERR,
+				      pdev))) {
 		/* Store device 16 funcs 1 and 2 */
 		switch (PCI_FUNC(pdev->devfn)) {
 		case 1:
-			pvt->pci_dev_16_1_fsb_addr_map = pdev;
+			if (!pvt->pci_dev_16_1_fsb_addr_map)
+				pvt->pci_dev_16_1_fsb_addr_map =
+							pci_dev_get(pdev);
 			break;
 		case 2:
-			pvt->pci_dev_16_2_fsb_err_regs = pdev;
+			if (!pvt->pci_dev_16_2_fsb_err_regs)
+				pvt->pci_dev_16_2_fsb_err_regs =
+							pci_dev_get(pdev);
 			break;
 		}
 	}
 
+	if (!pvt->pci_dev_16_1_fsb_addr_map ||
+	    !pvt->pci_dev_16_2_fsb_err_regs) {
+		/* At least one device was not found */
+		i7300_printk(KERN_ERR,
+			"'system address,Process Bus' device not found:"
+			"vendor 0x%x device 0x%x ERR funcs (broken BIOS?)\n",
+			PCI_VENDOR_ID_INTEL,
+			PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
+		goto error;
+	}
+
 	debugf1("System Address, processor bus- PCI Bus ID: %s  %x:%x\n",
 		pci_name(pvt->pci_dev_16_0_fsb_ctlr),
 		pvt->pci_dev_16_0_fsb_ctlr->vendor,
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 0fe2277..ddb725d 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1365,14 +1365,19 @@
 	 * is at addr 8086:2c40, instead of 8086:2c41. So, we need
 	 * to probe for the alternate address in case of failure
 	 */
-	if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev)
+	if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) {
+		pci_dev_get(*prev);	/* pci_get_device will put it */
 		pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
 				      PCI_DEVICE_ID_INTEL_I7_NONCORE_ALT, *prev);
+	}
 
-	if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE && !pdev)
+	if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE &&
+	    !pdev) {
+		pci_dev_get(*prev);	/* pci_get_device will put it */
 		pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
 				      PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_ALT,
 				      *prev);
+	}
 
 	if (!pdev) {
 		if (*prev) {
diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c
index 0cd8368..182d82a 100644
--- a/drivers/edac/i82975x_edac.c
+++ b/drivers/edac/i82975x_edac.c
@@ -363,10 +363,6 @@
 static void i82975x_init_csrows(struct mem_ctl_info *mci,
 		struct pci_dev *pdev, void __iomem *mch_window)
 {
-	static const char *labels[4] = {
-							"DIMM A1", "DIMM A2",
-							"DIMM B1", "DIMM B2"
-						};
 	struct csrow_info *csrow;
 	unsigned long last_cumul_size;
 	u8 value;
@@ -407,9 +403,10 @@
 		 *   [0-3] for dual-channel; i.e. csrow->nr_channels = 2
 		 */
 		for (chan = 0; chan < csrow->nr_channels; chan++)
-			strncpy(csrow->channels[chan].label,
-					labels[(index >> 1) + (chan * 2)],
-					EDAC_MC_LABEL_LEN);
+
+			snprintf(csrow->channels[chan].label, EDAC_MC_LABEL_LEN, "DIMM %c%d",
+				 (chan == 0) ? 'A' : 'B',
+				 index);
 
 		if (cumul_size == last_cumul_size)
 			continue;	/* not populated */
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 0f9552d..0924c30 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -555,7 +555,8 @@
 {
 	struct sbridge_pvt *pvt = mci->pvt_info;
 	struct csrow_info *csr;
-	int i, j, banks, ranks, rows, cols, size, npages;
+	unsigned i, j, banks, ranks, rows, cols, npages;
+	u64 size;
 	int csrow = 0;
 	unsigned long last_page = 0;
 	u32 reg;
@@ -627,10 +628,10 @@
 				cols = numcol(mtr);
 
 				/* DDR3 has 8 I/O banks */
-				size = (rows * cols * banks * ranks) >> (20 - 3);
+				size = ((u64)rows * cols * banks * ranks) >> (20 - 3);
 				npages = MiB_TO_PAGES(size);
 
-				debugf0("mc#%d: channel %d, dimm %d, %d Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
+				debugf0("mc#%d: channel %d, dimm %d, %Ld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
 					pvt->sbridge_dev->mc, i, j,
 					size, npages,
 					banks, ranks, rows, cols);
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 04ebeaf..1026609 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -878,7 +878,7 @@
 		old->config_rom_retries = 0;
 		fw_notice(card, "rediscovered device %s\n", dev_name(dev));
 
-		PREPARE_DELAYED_WORK(&old->work, fw_device_update);
+		old->workfn = fw_device_update;
 		fw_schedule_device_work(old, 0);
 
 		if (current_node == card->root_node)
@@ -1040,7 +1040,7 @@
 	if (atomic_cmpxchg(&device->state,
 			   FW_DEVICE_INITIALIZING,
 			   FW_DEVICE_RUNNING) == FW_DEVICE_GONE) {
-		PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown);
+		device->workfn = fw_device_shutdown;
 		fw_schedule_device_work(device, SHUTDOWN_DELAY);
 	} else {
 		fw_notice(card, "created device %s: GUID %08x%08x, S%d00\n",
@@ -1172,13 +1172,20 @@
 		  dev_name(&device->device));
  gone:
 	atomic_set(&device->state, FW_DEVICE_GONE);
-	PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown);
+	device->workfn = fw_device_shutdown;
 	fw_schedule_device_work(device, SHUTDOWN_DELAY);
  out:
 	if (node_id == card->root_node->node_id)
 		fw_schedule_bm_work(card, 0);
 }
 
+static void fw_device_workfn(struct work_struct *work)
+{
+	struct fw_device *device = container_of(to_delayed_work(work),
+						struct fw_device, work);
+	device->workfn(work);
+}
+
 void fw_node_event(struct fw_card *card, struct fw_node *node, int event)
 {
 	struct fw_device *device;
@@ -1228,7 +1235,8 @@
 		 * power-up after getting plugged in.  We schedule the
 		 * first config rom scan half a second after bus reset.
 		 */
-		INIT_DELAYED_WORK(&device->work, fw_device_init);
+		device->workfn = fw_device_init;
+		INIT_DELAYED_WORK(&device->work, fw_device_workfn);
 		fw_schedule_device_work(device, INITIAL_DELAY);
 		break;
 
@@ -1244,7 +1252,7 @@
 		if (atomic_cmpxchg(&device->state,
 			    FW_DEVICE_RUNNING,
 			    FW_DEVICE_INITIALIZING) == FW_DEVICE_RUNNING) {
-			PREPARE_DELAYED_WORK(&device->work, fw_device_refresh);
+			device->workfn = fw_device_refresh;
 			fw_schedule_device_work(device,
 				device->is_local ? 0 : INITIAL_DELAY);
 		}
@@ -1259,7 +1267,7 @@
 		smp_wmb();  /* update node_id before generation */
 		device->generation = card->generation;
 		if (atomic_read(&device->state) == FW_DEVICE_RUNNING) {
-			PREPARE_DELAYED_WORK(&device->work, fw_device_update);
+			device->workfn = fw_device_update;
 			fw_schedule_device_work(device, 0);
 		}
 		break;
@@ -1284,7 +1292,7 @@
 		device = node->data;
 		if (atomic_xchg(&device->state,
 				FW_DEVICE_GONE) == FW_DEVICE_RUNNING) {
-			PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown);
+			device->workfn = fw_device_shutdown;
 			fw_schedule_device_work(device,
 				list_empty(&card->link) ? 0 : SHUTDOWN_DELAY);
 		}
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index 638e1f7..7cff7f7 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -1014,8 +1014,6 @@
 	if (rcode == RCODE_COMPLETE) {
 		fwnet_transmit_packet_done(ptask);
 	} else {
-		fwnet_transmit_packet_failed(ptask);
-
 		if (printk_timed_ratelimit(&j,  1000) || rcode != last_rcode) {
 			dev_err(&ptask->dev->netdev->dev,
 				"fwnet_write_complete failed: %x (skipped %d)\n",
@@ -1023,8 +1021,10 @@
 
 			errors_skipped = 0;
 			last_rcode = rcode;
-		} else
+		} else {
 			errors_skipped++;
+		}
+		fwnet_transmit_packet_failed(ptask);
 	}
 }
 
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index b7e65d7..23a9283 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -146,6 +146,7 @@
 	 */
 	int generation;
 	int retries;
+	work_func_t workfn;
 	struct delayed_work work;
 	bool has_sdev;
 	bool blocked;
@@ -865,7 +866,7 @@
 	/* set appropriate retry limit(s) in BUSY_TIMEOUT register */
 	sbp2_set_busy_timeout(lu);
 
-	PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect);
+	lu->workfn = sbp2_reconnect;
 	sbp2_agent_reset(lu);
 
 	/* This was a re-login. */
@@ -919,7 +920,7 @@
 	 * If a bus reset happened, sbp2_update will have requeued
 	 * lu->work already.  Reset the work from reconnect to login.
 	 */
-	PREPARE_DELAYED_WORK(&lu->work, sbp2_login);
+	lu->workfn = sbp2_login;
 }
 
 static void sbp2_reconnect(struct work_struct *work)
@@ -953,7 +954,7 @@
 		    lu->retries++ >= 5) {
 			dev_err(tgt_dev(tgt), "failed to reconnect\n");
 			lu->retries = 0;
-			PREPARE_DELAYED_WORK(&lu->work, sbp2_login);
+			lu->workfn = sbp2_login;
 		}
 		sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5));
 
@@ -973,6 +974,13 @@
 	sbp2_conditionally_unblock(lu);
 }
 
+static void sbp2_lu_workfn(struct work_struct *work)
+{
+	struct sbp2_logical_unit *lu = container_of(to_delayed_work(work),
+						struct sbp2_logical_unit, work);
+	lu->workfn(work);
+}
+
 static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry)
 {
 	struct sbp2_logical_unit *lu;
@@ -999,7 +1007,8 @@
 	lu->blocked  = false;
 	++tgt->dont_block;
 	INIT_LIST_HEAD(&lu->orb_list);
-	INIT_DELAYED_WORK(&lu->work, sbp2_login);
+	lu->workfn = sbp2_login;
+	INIT_DELAYED_WORK(&lu->work, sbp2_lu_workfn);
 
 	list_add_tail(&lu->link, &tgt->lu_list);
 	return 0;
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 9b00072..42c759a 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -53,6 +53,24 @@
 	  Subsequent efibootmgr releases may be found at:
 	  <http://linux.dell.com/efibootmgr>
 
+config EFI_VARS_PSTORE
+	bool "Register efivars backend for pstore"
+	depends on EFI_VARS && PSTORE
+	default y
+	help
+	  Say Y here to enable use efivars as a backend to pstore. This
+	  will allow writing console messages, crash dumps, or anything
+	  else supported by pstore to EFI variables.
+
+config EFI_VARS_PSTORE_DEFAULT_DISABLE
+	bool "Disable using efivars as a pstore backend by default"
+	depends on EFI_VARS_PSTORE
+	default n
+	help
+	  Saying Y here will disable the use of efivars as a storage
+	  backend for pstore by default. This setting can be overridden
+	  using the efivars module's pstore_disable parameter.
+
 config EFI_PCDP
 	bool "Console device selection via EFI PCDP or HCDP table"
 	depends on ACPI && EFI && IA64
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 2cbb675..80c6667 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -92,6 +92,11 @@
 
 #define DUMP_NAME_LEN 52
 
+static bool efivars_pstore_disable =
+	IS_ENABLED(CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE);
+
+module_param_named(pstore_disable, efivars_pstore_disable, bool, 0644);
+
 /*
  * The maximum size of VariableName + Data = 1024
  * Therefore, it's reasonable to save that much
@@ -149,6 +154,13 @@
 			  efi_char16_t *variable_name,
 			  efi_guid_t *vendor_guid);
 
+/*
+ * Prototype for workqueue functions updating sysfs entry
+ */
+
+static void efivar_update_sysfs_entries(struct work_struct *);
+static DECLARE_WORK(efivar_work, efivar_update_sysfs_entries);
+
 /* Return the number of unicode characters in data */
 static unsigned long
 utf16_strnlen(efi_char16_t *s, size_t maxlength)
@@ -396,10 +408,11 @@
 get_var_data(struct efivars *efivars, struct efi_variable *var)
 {
 	efi_status_t status;
+	unsigned long flags;
 
-	spin_lock(&efivars->lock);
+	spin_lock_irqsave(&efivars->lock, flags);
 	status = get_var_data_locked(efivars, var);
-	spin_unlock(&efivars->lock);
+	spin_unlock_irqrestore(&efivars->lock, flags);
 
 	if (status != EFI_SUCCESS) {
 		printk(KERN_WARNING "efivars: get_variable() failed 0x%lx!\n",
@@ -408,6 +421,18 @@
 	return status;
 }
 
+static efi_status_t
+check_var_size_locked(struct efivars *efivars, u32 attributes,
+			unsigned long size)
+{
+	const struct efivar_operations *fops = efivars->ops;
+
+	if (!efivars->ops->query_variable_store)
+		return EFI_UNSUPPORTED;
+
+	return fops->query_variable_store(attributes, size);
+}
+
 static ssize_t
 efivar_guid_read(struct efivar_entry *entry, char *buf)
 {
@@ -528,14 +553,19 @@
 		return -EINVAL;
 	}
 
-	spin_lock(&efivars->lock);
-	status = efivars->ops->set_variable(new_var->VariableName,
-					    &new_var->VendorGuid,
-					    new_var->Attributes,
-					    new_var->DataSize,
-					    new_var->Data);
+	spin_lock_irq(&efivars->lock);
 
-	spin_unlock(&efivars->lock);
+	status = check_var_size_locked(efivars, new_var->Attributes,
+	       new_var->DataSize + utf16_strsize(new_var->VariableName, 1024));
+
+	if (status == EFI_SUCCESS || status == EFI_UNSUPPORTED)
+		status = efivars->ops->set_variable(new_var->VariableName,
+						    &new_var->VendorGuid,
+						    new_var->Attributes,
+						    new_var->DataSize,
+						    new_var->Data);
+
+	spin_unlock_irq(&efivars->lock);
 
 	if (status != EFI_SUCCESS) {
 		printk(KERN_WARNING "efivars: set_variable() failed: status=%lx\n",
@@ -632,21 +662,49 @@
 	.default_attrs = def_attrs,
 };
 
-static struct pstore_info efi_pstore_info;
-
 static inline void
 efivar_unregister(struct efivar_entry *var)
 {
 	kobject_put(&var->kobj);
 }
 
-#ifdef CONFIG_PSTORE
+static int efi_status_to_err(efi_status_t status)
+{
+	int err;
+
+	switch (status) {
+	case EFI_INVALID_PARAMETER:
+		err = -EINVAL;
+		break;
+	case EFI_OUT_OF_RESOURCES:
+		err = -ENOSPC;
+		break;
+	case EFI_DEVICE_ERROR:
+		err = -EIO;
+		break;
+	case EFI_WRITE_PROTECTED:
+		err = -EROFS;
+		break;
+	case EFI_SECURITY_VIOLATION:
+		err = -EACCES;
+		break;
+	case EFI_NOT_FOUND:
+		err = -ENOENT;
+		break;
+	default:
+		err = -EINVAL;
+	}
+
+	return err;
+}
+
+#ifdef CONFIG_EFI_VARS_PSTORE
 
 static int efi_pstore_open(struct pstore_info *psi)
 {
 	struct efivars *efivars = psi->data;
 
-	spin_lock(&efivars->lock);
+	spin_lock_irq(&efivars->lock);
 	efivars->walk_entry = list_first_entry(&efivars->list,
 					       struct efivar_entry, list);
 	return 0;
@@ -656,7 +714,7 @@
 {
 	struct efivars *efivars = psi->data;
 
-	spin_unlock(&efivars->lock);
+	spin_unlock_irq(&efivars->lock);
 	return 0;
 }
 
@@ -710,11 +768,30 @@
 	struct efivars *efivars = psi->data;
 	struct efivar_entry *entry, *found = NULL;
 	int i, ret = 0;
+	efi_status_t status = EFI_NOT_FOUND;
+	unsigned long flags;
 
 	sprintf(stub_name, "dump-type%u-%u-", type, part);
 	sprintf(name, "%s%lu", stub_name, get_seconds());
 
-	spin_lock(&efivars->lock);
+	spin_lock_irqsave(&efivars->lock, flags);
+
+	if (size) {
+		/*
+		 * Check if there is a space enough to log.
+		 * size: a size of logging data
+		 * DUMP_NAME_LEN * 2: a maximum size of variable name
+		 */
+
+		status = check_var_size_locked(efivars, PSTORE_EFI_ATTRIBUTES,
+					       size + DUMP_NAME_LEN * 2);
+
+		if (status) {
+			spin_unlock_irqrestore(&efivars->lock, flags);
+			*id = part;
+			return -ENOSPC;
+		}
+	}
 
 	for (i = 0; i < DUMP_NAME_LEN; i++)
 		efi_name[i] = stub_name[i];
@@ -752,16 +829,13 @@
 	efivars->ops->set_variable(efi_name, &vendor, PSTORE_EFI_ATTRIBUTES,
 				   size, psi->buf);
 
-	spin_unlock(&efivars->lock);
+	spin_unlock_irqrestore(&efivars->lock, flags);
 
 	if (found)
 		efivar_unregister(found);
 
-	if (size)
-		ret = efivar_create_sysfs_entry(efivars,
-					  utf16_strsize(efi_name,
-							DUMP_NAME_LEN * 2),
-					  efi_name, &vendor);
+	if (reason == KMSG_DUMP_OOPS)
+		schedule_work(&efivar_work);
 
 	*id = part;
 	return ret;
@@ -774,37 +848,6 @@
 
 	return 0;
 }
-#else
-static int efi_pstore_open(struct pstore_info *psi)
-{
-	return 0;
-}
-
-static int efi_pstore_close(struct pstore_info *psi)
-{
-	return 0;
-}
-
-static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
-			       struct timespec *timespec,
-			       char **buf, struct pstore_info *psi)
-{
-	return -1;
-}
-
-static int efi_pstore_write(enum pstore_type_id type,
-		enum kmsg_dump_reason reason, u64 *id,
-		unsigned int part, size_t size, struct pstore_info *psi)
-{
-	return 0;
-}
-
-static int efi_pstore_erase(enum pstore_type_id type, u64 id,
-			    struct pstore_info *psi)
-{
-	return 0;
-}
-#endif
 
 static struct pstore_info efi_pstore_info = {
 	.owner		= THIS_MODULE,
@@ -816,6 +859,24 @@
 	.erase		= efi_pstore_erase,
 };
 
+static void efivar_pstore_register(struct efivars *efivars)
+{
+	efivars->efi_pstore_info = efi_pstore_info;
+	efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL);
+	if (efivars->efi_pstore_info.buf) {
+		efivars->efi_pstore_info.bufsize = 1024;
+		efivars->efi_pstore_info.data = efivars;
+		spin_lock_init(&efivars->efi_pstore_info.buf_lock);
+		pstore_register(&efivars->efi_pstore_info);
+	}
+}
+#else
+static void efivar_pstore_register(struct efivars *efivars)
+{
+	return;
+}
+#endif
+
 static ssize_t efivar_create(struct file *filp, struct kobject *kobj,
 			     struct bin_attribute *bin_attr,
 			     char *buf, loff_t pos, size_t count)
@@ -836,7 +897,7 @@
 		return -EINVAL;
 	}
 
-	spin_lock(&efivars->lock);
+	spin_lock_irq(&efivars->lock);
 
 	/*
 	 * Does this variable already exist?
@@ -854,10 +915,18 @@
 		}
 	}
 	if (found) {
-		spin_unlock(&efivars->lock);
+		spin_unlock_irq(&efivars->lock);
 		return -EINVAL;
 	}
 
+	status = check_var_size_locked(efivars, new_var->Attributes,
+	       new_var->DataSize + utf16_strsize(new_var->VariableName, 1024));
+
+	if (status && status != EFI_UNSUPPORTED) {
+		spin_unlock_irq(&efivars->lock);
+		return efi_status_to_err(status);
+	}
+
 	/* now *really* create the variable via EFI */
 	status = efivars->ops->set_variable(new_var->VariableName,
 					    &new_var->VendorGuid,
@@ -868,10 +937,10 @@
 	if (status != EFI_SUCCESS) {
 		printk(KERN_WARNING "efivars: set_variable() failed: status=%lx\n",
 			status);
-		spin_unlock(&efivars->lock);
+		spin_unlock_irq(&efivars->lock);
 		return -EIO;
 	}
-	spin_unlock(&efivars->lock);
+	spin_unlock_irq(&efivars->lock);
 
 	/* Create the entry in sysfs.  Locking is not required here */
 	status = efivar_create_sysfs_entry(efivars,
@@ -899,7 +968,7 @@
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
 
-	spin_lock(&efivars->lock);
+	spin_lock_irq(&efivars->lock);
 
 	/*
 	 * Does this variable already exist?
@@ -917,7 +986,7 @@
 		}
 	}
 	if (!found) {
-		spin_unlock(&efivars->lock);
+		spin_unlock_irq(&efivars->lock);
 		return -EINVAL;
 	}
 	/* force the Attributes/DataSize to 0 to ensure deletion */
@@ -933,12 +1002,12 @@
 	if (status != EFI_SUCCESS) {
 		printk(KERN_WARNING "efivars: set_variable() failed: status=%lx\n",
 			status);
-		spin_unlock(&efivars->lock);
+		spin_unlock_irq(&efivars->lock);
 		return -EIO;
 	}
 	list_del(&search_efivar->list);
 	/* We need to release this lock before unregistering. */
-	spin_unlock(&efivars->lock);
+	spin_unlock_irq(&efivars->lock);
 	efivar_unregister(search_efivar);
 
 	/* It's dead Jim.... */
@@ -967,6 +1036,53 @@
 	return found;
 }
 
+static void efivar_update_sysfs_entries(struct work_struct *work)
+{
+	struct efivars *efivars = &__efivars;
+	efi_guid_t vendor;
+	efi_char16_t *variable_name;
+	unsigned long variable_name_size = 1024;
+	efi_status_t status = EFI_NOT_FOUND;
+	bool found;
+
+	/* Add new sysfs entries */
+	while (1) {
+		variable_name = kzalloc(variable_name_size, GFP_KERNEL);
+		if (!variable_name) {
+			pr_err("efivars: Memory allocation failed.\n");
+			return;
+		}
+
+		spin_lock_irq(&efivars->lock);
+		found = false;
+		while (1) {
+			variable_name_size = 1024;
+			status = efivars->ops->get_next_variable(
+							&variable_name_size,
+							variable_name,
+							&vendor);
+			if (status != EFI_SUCCESS) {
+				break;
+			} else {
+				if (!variable_is_present(variable_name,
+				    &vendor)) {
+					found = true;
+					break;
+				}
+			}
+		}
+		spin_unlock_irq(&efivars->lock);
+
+		if (!found) {
+			kfree(variable_name);
+			break;
+		} else
+			efivar_create_sysfs_entry(efivars,
+						  variable_name_size,
+						  variable_name, &vendor);
+	}
+}
+
 /*
  * Returns the size of variable_name, in bytes, including the
  * terminating NULL character, or variable_name_size if no NULL
@@ -1093,9 +1209,9 @@
 	kfree(short_name);
 	short_name = NULL;
 
-	spin_lock(&efivars->lock);
+	spin_lock_irq(&efivars->lock);
 	list_add(&new_efivar->list, &efivars->list);
-	spin_unlock(&efivars->lock);
+	spin_unlock_irq(&efivars->lock);
 
 	return 0;
 }
@@ -1164,9 +1280,9 @@
 	struct efivar_entry *entry, *n;
 
 	list_for_each_entry_safe(entry, n, &efivars->list, list) {
-		spin_lock(&efivars->lock);
+		spin_lock_irq(&efivars->lock);
 		list_del(&entry->list);
-		spin_unlock(&efivars->lock);
+		spin_unlock_irq(&efivars->lock);
 		efivar_unregister(entry);
 	}
 	if (efivars->new_var)
@@ -1278,15 +1394,8 @@
 	if (error)
 		unregister_efivars(efivars);
 
-	efivars->efi_pstore_info = efi_pstore_info;
-
-	efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL);
-	if (efivars->efi_pstore_info.buf) {
-		efivars->efi_pstore_info.bufsize = 1024;
-		efivars->efi_pstore_info.data = efivars;
-		spin_lock_init(&efivars->efi_pstore_info.buf_lock);
-		pstore_register(&efivars->efi_pstore_info);
-	}
+	if (!efivars_pstore_disable)
+		efivar_pstore_register(efivars);
 
 out:
 	kfree(variable_name);
@@ -1324,6 +1433,7 @@
 	ops.get_variable = efi.get_variable;
 	ops.set_variable = efi.set_variable;
 	ops.get_next_variable = efi.get_next_variable;
+	ops.query_variable_store = efi_query_variable_store;
 	error = register_efivars(&__efivars, &ops, efi_kobj);
 	if (error)
 		goto err_put;
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 385c58e..0f8114d 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -167,7 +167,8 @@
 	ct->regs.ack = PINCTRL_IRQSTAT(port->id) + MXS_CLR;
 	ct->regs.mask = PINCTRL_IRQEN(port->id);
 
-	irq_setup_generic_chip(gc, IRQ_MSK(32), 0, IRQ_NOREQUEST, 0);
+	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
+			       IRQ_NOREQUEST, 0);
 }
 
 static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 8111889..b3abf70 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -328,8 +328,8 @@
  * drm_crtc_set_mode - set a mode
  * @crtc: CRTC to program
  * @mode: mode to use
- * @x: width of mode
- * @y: height of mode
+ * @x: horizontal offset into the surface
+ * @y: vertical offset into the surface
  *
  * LOCKING:
  * Caller must hold mode config lock.
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 34791fb..39f8111 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -30,6 +30,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <generated/utsrelease.h>
 #include "drmP.h"
 #include "drm.h"
 #include "intel_drv.h"
@@ -340,7 +341,7 @@
 			seq_printf(m, "No flip due on pipe %c (plane %c)\n",
 				   pipe, plane);
 		} else {
-			if (!work->pending) {
+			if (atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
 				seq_printf(m, "Flip queued on pipe %c (plane %c)\n",
 					   pipe, plane);
 			} else {
@@ -351,7 +352,7 @@
 				seq_printf(m, "Stall check enabled, ");
 			else
 				seq_printf(m, "Stall check waiting for page flip ioctl, ");
-			seq_printf(m, "%d prepares\n", work->pending);
+			seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
 
 			if (work->old_fb_obj) {
 				struct drm_i915_gem_object *obj = work->old_fb_obj;
@@ -750,6 +751,7 @@
 
 	seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
 		   error->time.tv_usec);
+	seq_printf(m, "Kernel: " UTS_RELEASE "\n");
 	seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
 	seq_printf(m, "EIR: 0x%08x\n", error->eir);
 	seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 232119a..a8f00d0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -296,7 +296,8 @@
 
 #define QUIRK_PIPEA_FORCE (1<<0)
 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
-#define QUIRK_NO_PCH_PWM_ENABLE (1<<2)
+#define QUIRK_INVERT_BRIGHTNESS (1<<2)
+#define QUIRK_NO_PCH_PWM_ENABLE (1<<3)
 
 struct intel_fbdev;
 struct intel_fbc_work;
@@ -1397,6 +1398,7 @@
 #endif /* CONFIG_ACPI */
 
 /* modesetting */
+extern void i915_redisable_vga(struct drm_device *dev);
 extern void intel_modeset_init(struct drm_device *dev);
 extern void intel_modeset_gem_init(struct drm_device *dev);
 extern void intel_modeset_cleanup(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index eb33945..2ac4ded 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2468,6 +2468,11 @@
 	return avail;
 }
 
+static void i915_gem_write_fence__ipi(void *data)
+{
+	wbinvd();
+}
+
 /**
  * i915_gem_object_get_fence - set up a fence reg for an object
  * @obj: object to map through a fence reg
@@ -2589,6 +2594,17 @@
 	switch (INTEL_INFO(dev)->gen) {
 	case 7:
 	case 6:
+		/* In order to fully serialize access to the fenced region and
+		 * the update to the fence register we need to take extreme
+		 * measures on SNB+. In theory, the write to the fence register
+		 * flushes all memory transactions before, and coupled with the
+		 * mb() placed around the register write we serialise all memory
+		 * operations with respect to the changes in the tiler. Yet, on
+		 * SNB+ we need to take a step further and emit an explicit wbinvd()
+		 * on each processor in order to manually flush all memory
+		 * transactions before updating the fence register.
+		 */
+		on_each_cpu(i915_gem_write_fence__ipi, NULL, 1);
 		ret = sandybridge_write_fence_reg(obj, pipelined);
 		break;
 	case 5:
@@ -3411,14 +3427,15 @@
 		goto out;
 	}
 
-	obj->user_pin_count++;
-	obj->pin_filp = file;
-	if (obj->user_pin_count == 1) {
+	if (obj->user_pin_count == 0) {
 		ret = i915_gem_object_pin(obj, args->alignment, true);
 		if (ret)
 			goto out;
 	}
 
+	obj->user_pin_count++;
+	obj->pin_filp = file;
+
 	/* XXX - flush the CPU caches for pinned objects
 	 * as the X server doesn't manage domains yet
 	 */
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8bca2d2..fc6f32a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1251,7 +1251,9 @@
 	spin_lock_irqsave(&dev->event_lock, flags);
 	work = intel_crtc->unpin_work;
 
-	if (work == NULL || work->pending || !work->enable_stall_check) {
+	if (work == NULL ||
+	    atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE ||
+	    !work->enable_stall_check) {
 		/* Either the pending flip IRQ arrived, or we're too early. Don't check */
 		spin_unlock_irqrestore(&dev->event_lock, flags);
 		return;
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index a2c9e56..d9e359a 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -651,7 +651,7 @@
 	DRM_DEBUG_KMS("Set default to SSC at %dMHz\n", dev_priv->lvds_ssc_freq);
 }
 
-static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
+static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
 {
 	DRM_DEBUG_KMS("Falling back to manually reading VBT from "
 		      "VBIOS ROM for %s\n",
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 342ffb7..b4f71c2 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -564,7 +564,7 @@
 	.destroy = intel_encoder_destroy,
 };
 
-static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id)
+static int intel_no_crt_dmi_callback(const struct dmi_system_id *id)
 {
 	DRM_DEBUG_KMS("Skipping CRT initialization for %s\n", id->ident);
 	return 1;
@@ -579,6 +579,14 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"),
 		},
 	},
+	{
+		.callback = intel_no_crt_dmi_callback,
+		.ident = "DELL XPS 8700",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 8700"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5647ce4..c975c99 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -25,6 +25,7 @@
  */
 
 #include <linux/cpufreq.h>
+#include <linux/dmi.h>
 #include <linux/module.h>
 #include <linux/input.h>
 #include <linux/i2c.h>
@@ -7245,11 +7246,18 @@
 
 	spin_lock_irqsave(&dev->event_lock, flags);
 	work = intel_crtc->unpin_work;
-	if (work == NULL || !work->pending) {
+
+	/* Ensure we don't miss a work->pending update ... */
+	smp_rmb();
+
+	if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
 		spin_unlock_irqrestore(&dev->event_lock, flags);
 		return;
 	}
 
+	/* and that the unpin work is consistent wrt ->pending. */
+	smp_rmb();
+
 	intel_crtc->unpin_work = NULL;
 
 	if (work->event) {
@@ -7321,16 +7329,25 @@
 		to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]);
 	unsigned long flags;
 
+	/* NB: An MMIO update of the plane base pointer will also
+	 * generate a page-flip completion irq, i.e. every modeset
+	 * is also accompanied by a spurious intel_prepare_page_flip().
+	 */
 	spin_lock_irqsave(&dev->event_lock, flags);
-	if (intel_crtc->unpin_work) {
-		if ((++intel_crtc->unpin_work->pending) > 1)
-			DRM_ERROR("Prepared flip multiple times\n");
-	} else {
-		DRM_DEBUG_DRIVER("preparing flip with no unpin work?\n");
-	}
+	if (intel_crtc->unpin_work)
+		atomic_inc_not_zero(&intel_crtc->unpin_work->pending);
 	spin_unlock_irqrestore(&dev->event_lock, flags);
 }
 
+inline static void intel_mark_page_flip_active(struct intel_crtc *intel_crtc)
+{
+	/* Ensure that the work item is consistent when activating it ... */
+	smp_wmb();
+	atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING);
+	/* and that it is marked active as soon as the irq could fire. */
+	smp_wmb();
+}
+
 static int intel_gen2_queue_flip(struct drm_device *dev,
 				 struct drm_crtc *crtc,
 				 struct drm_framebuffer *fb,
@@ -7367,6 +7384,8 @@
 	OUT_RING(fb->pitches[0]);
 	OUT_RING(obj->gtt_offset + offset);
 	OUT_RING(0); /* aux display base address, unused */
+
+	intel_mark_page_flip_active(intel_crtc);
 	ADVANCE_LP_RING();
 	return 0;
 
@@ -7410,6 +7429,7 @@
 	OUT_RING(obj->gtt_offset + offset);
 	OUT_RING(MI_NOOP);
 
+	intel_mark_page_flip_active(intel_crtc);
 	ADVANCE_LP_RING();
 	return 0;
 
@@ -7453,6 +7473,8 @@
 	pf = 0;
 	pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
 	OUT_RING(pf | pipesrc);
+
+	intel_mark_page_flip_active(intel_crtc);
 	ADVANCE_LP_RING();
 	return 0;
 
@@ -7494,6 +7516,8 @@
 	pf = 0;
 	pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
 	OUT_RING(pf | pipesrc);
+
+	intel_mark_page_flip_active(intel_crtc);
 	ADVANCE_LP_RING();
 	return 0;
 
@@ -7548,6 +7572,8 @@
 	intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode));
 	intel_ring_emit(ring, (obj->gtt_offset));
 	intel_ring_emit(ring, (MI_NOOP));
+
+	intel_mark_page_flip_active(intel_crtc);
 	intel_ring_advance(ring);
 	return 0;
 
@@ -9175,6 +9201,16 @@
 	DRM_INFO("applying no-PCH_PWM_ENABLE quirk\n");
 }
 
+/*
+ * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
+ * brightness value
+ */
+static void quirk_invert_brightness(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS;
+}
+
 struct intel_quirk {
 	int device;
 	int subsystem_vendor;
@@ -9182,6 +9218,34 @@
 	void (*hook)(struct drm_device *dev);
 };
 
+/* For systems that don't have a meaningful PCI subdevice/subvendor ID */
+struct intel_dmi_quirk {
+	void (*hook)(struct drm_device *dev);
+	const struct dmi_system_id (*dmi_id_list)[];
+};
+
+static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
+{
+	DRM_INFO("Backlight polarity reversed on %s\n", id->ident);
+	return 1;
+}
+
+static const struct intel_dmi_quirk intel_dmi_quirks[] = {
+	{
+		.dmi_id_list = &(const struct dmi_system_id[]) {
+			{
+				.callback = intel_dmi_reverse_brightness,
+				.ident = "NCR Corporation",
+				.matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
+					    DMI_MATCH(DMI_PRODUCT_NAME, ""),
+				},
+			},
+			{ }  /* terminating entry */
+		},
+		.hook = quirk_invert_brightness,
+	},
+};
+
 struct intel_quirk intel_quirks[] = {
 	/* HP Mini needs pipe A force quirk (LP: #322104) */
 	{ 0x27ae, 0x103c, 0x361a, quirk_pipea_force },
@@ -9208,6 +9272,18 @@
 	/* Sony Vaio Y cannot use SSC on LVDS */
 	{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
 
+	/* Acer Aspire 5734Z must invert backlight brightness */
+	{ 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
+
+	/* Acer/eMachines G725 */
+	{ 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
+
+	/* Acer/eMachines e725 */
+	{ 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
+
+	/* Acer/Packard Bell NCL20 */
+	{ 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
+
 	/* Dell XPS13 HD Sandy Bridge */
 	{ 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
 	/* Dell XPS13 HD and XPS13 FHD Ivy Bridge */
@@ -9229,6 +9305,10 @@
 		     q->subsystem_device == PCI_ANY_ID))
 			q->hook(dev);
 	}
+	for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
+		if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
+			intel_dmi_quirks[i].hook(dev);
+	}
 }
 
 /* Disable the VGA plane that we never use */
@@ -9254,6 +9334,23 @@
 	POSTING_READ(vga_reg);
 }
 
+void i915_redisable_vga(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 vga_reg;
+
+	if (HAS_PCH_SPLIT(dev))
+		vga_reg = CPU_VGACNTRL;
+	else
+		vga_reg = VGACNTRL;
+
+	if (I915_READ(vga_reg) != VGA_DISP_DISABLE) {
+		DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
+		I915_WRITE(vga_reg, VGA_DISP_DISABLE);
+		POSTING_READ(vga_reg);
+	}
+}
+
 void intel_modeset_init(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -9374,6 +9471,9 @@
 	del_timer_sync(&dev_priv->idle_timer);
 	cancel_work_sync(&dev_priv->idle_work);
 
+	/* destroy backlight, if any, before the connectors */
+	intel_panel_destroy_backlight(dev);
+
 	drm_mode_config_cleanup(dev);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index eee6cd3..9a3ecd6 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2289,11 +2289,6 @@
 static void
 intel_dp_destroy(struct drm_connector *connector)
 {
-	struct drm_device *dev = connector->dev;
-
-	if (intel_dpd_is_edp(dev))
-		intel_panel_destroy_backlight(dev);
-
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
 	kfree(connector);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index cd623e8..018dfbd 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -277,7 +277,10 @@
 	struct drm_i915_gem_object *old_fb_obj;
 	struct drm_i915_gem_object *pending_flip_obj;
 	struct drm_pending_vblank_event *event;
-	int pending;
+	atomic_t pending;
+#define INTEL_FLIP_INACTIVE	0
+#define INTEL_FLIP_PENDING	1
+#define INTEL_FLIP_COMPLETE	2
 	bool enable_stall_check;
 };
 
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index dc7c5f6..77190cc 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -535,6 +535,7 @@
 
 	mutex_lock(&dev->mode_config.mutex);
 	drm_helper_resume_force_mode(dev);
+	i915_redisable_vga(dev);
 	mutex_unlock(&dev->mode_config.mutex);
 
 	return NOTIFY_OK;
@@ -552,8 +553,6 @@
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	intel_panel_destroy_backlight(dev);
-
 	if (dev_priv->lid_notifier.notifier_call)
 		acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
 	drm_sysfs_connector_remove(connector);
@@ -620,7 +619,7 @@
 	.destroy = intel_encoder_destroy,
 };
 
-static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
+static int intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
 {
 	DRM_DEBUG_KMS("Skipping LVDS initialization for %s\n", id->ident);
 	return 1;
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index cffb007..356a252 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -161,7 +161,7 @@
 
 	max = intel_panel_get_max_backlight(dev);
 	intel_panel_set_backlight(dev, bclp * max / 255);
-	asle->cblv = (bclp*0x64)/0xff | ASLE_CBLV_VALID;
+	asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID;
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 48177ec..0bae2bb 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -28,6 +28,7 @@
  *      Chris Wilson <chris@chris-wilson.co.uk>
  */
 
+#include <linux/moduleparam.h>
 #include "intel_drv.h"
 
 #define PCI_LBPC 0xf4 /* legacy/combination backlight modes */
@@ -189,6 +190,27 @@
 	return max;
 }
 
+static int i915_panel_invert_brightness;
+MODULE_PARM_DESC(invert_brightness, "Invert backlight brightness "
+	"(-1 force normal, 0 machine defaults, 1 force inversion), please "
+	"report PCI device ID, subsystem vendor and subsystem device ID "
+	"to dri-devel@lists.freedesktop.org, if your machine needs it. "
+	"It will then be included in an upcoming module version.");
+module_param_named(invert_brightness, i915_panel_invert_brightness, int, 0600);
+static u32 intel_panel_compute_brightness(struct drm_device *dev, u32 val)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (i915_panel_invert_brightness < 0)
+		return val;
+
+	if (i915_panel_invert_brightness > 0 ||
+	    dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS)
+		return intel_panel_get_max_backlight(dev) - val;
+
+	return val;
+}
+
 u32 intel_panel_get_backlight(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -209,6 +231,7 @@
 		}
 	}
 
+	val = intel_panel_compute_brightness(dev, val);
 	DRM_DEBUG_DRIVER("get backlight PWM = %d\n", val);
 	return val;
 }
@@ -226,6 +249,7 @@
 	u32 tmp;
 
 	DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
+	level = intel_panel_compute_brightness(dev, level);
 
 	if (HAS_PCH_SPLIT(dev))
 		return intel_pch_panel_set_backlight(dev, level);
@@ -335,6 +359,9 @@
 
 	intel_panel_init_backlight(dev);
 
+	if (WARN_ON(dev_priv->backlight))
+		return -ENODEV;
+
 	if (dev_priv->int_lvds_connector)
 		connector = dev_priv->int_lvds_connector;
 	else if (dev_priv->int_edp_connector)
@@ -362,8 +389,10 @@
 void intel_panel_destroy_backlight(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	if (dev_priv->backlight)
+	if (dev_priv->backlight) {
 		backlight_device_unregister(dev_priv->backlight);
+		dev_priv->backlight = NULL;
+	}
 }
 #else
 int intel_panel_setup_backlight(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index c0ba260..8d55a33 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2265,6 +2265,18 @@
 	return true;
 }
 
+static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
+{
+	struct drm_device *dev = intel_sdvo->base.base.dev;
+	struct drm_connector *connector, *tmp;
+
+	list_for_each_entry_safe(connector, tmp,
+				 &dev->mode_config.connector_list, head) {
+		if (intel_attached_encoder(connector) == &intel_sdvo->base)
+			intel_sdvo_destroy(connector);
+	}
+}
+
 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 					  struct intel_sdvo_connector *intel_sdvo_connector,
 					  int type)
@@ -2583,7 +2595,8 @@
 				    intel_sdvo->caps.output_flags) != true) {
 		DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
 			      IS_SDVOB(sdvo_reg) ? 'B' : 'C');
-		goto err;
+		/* Output_setup can leave behind connectors! */
+		goto err_output;
 	}
 
 	/* Only enable the hotplug irq if we need it, to work around noisy
@@ -2596,12 +2609,12 @@
 
 	/* Set the input timing to the screen. Assume always input 0. */
 	if (!intel_sdvo_set_target_input(intel_sdvo))
-		goto err;
+		goto err_output;
 
 	if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
 						    &intel_sdvo->pixel_clock_min,
 						    &intel_sdvo->pixel_clock_max))
-		goto err;
+		goto err_output;
 
 	DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
 			"clock range %dMHz - %dMHz, "
@@ -2621,6 +2634,9 @@
 			(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
 	return true;
 
+err_output:
+	intel_sdvo_output_cleanup(intel_sdvo);
+
 err:
 	drm_encoder_cleanup(&intel_encoder->base);
 	i2c_del_adapter(&intel_sdvo->ddc);
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 284bd25..4339694 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -375,9 +375,6 @@
 	acpi_status status;
 	acpi_handle dhandle, rom_handle;
 
-	if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected)
-		return false;
-
 	dhandle = DEVICE_ACPI_HANDLE(&pdev->dev);
 	if (!dhandle)
 		return false;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 12ce044..2c3d5c8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -946,7 +946,7 @@
 		if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
 			mem->bus.offset = mem->start << PAGE_SHIFT;
 			mem->bus.base = dev_priv->gart_info.aper_base;
-			mem->bus.is_iomem = true;
+			mem->bus.is_iomem = !dev->agp->cant_use_aperture;
 		}
 #endif
 		break;
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index ebbfbd2..d51c08d 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -573,6 +573,11 @@
 		/* use frac fb div on APUs */
 		if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
 			pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+		/* use frac fb div on RS780/RS880 */
+		if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
+			pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+		if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
+			pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 	} else {
 		pll->flags |= RADEON_PLL_LEGACY;
 
@@ -858,14 +863,16 @@
 			args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
 			if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
-			switch (bpc) {
-			case 8:
-			default:
-				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
-				break;
-			case 10:
-				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
-				break;
+			if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
+				switch (bpc) {
+				case 8:
+				default:
+					args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
+					break;
+				case 10:
+					args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
+					break;
+				}
 			}
 			args.v5.ucTransmitterID = encoder_id;
 			args.v5.ucEncoderMode = encoder_mode;
@@ -880,20 +887,22 @@
 			args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
 			if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
-			switch (bpc) {
-			case 8:
-			default:
-				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
-				break;
-			case 10:
-				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
-				break;
-			case 12:
-				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
-				break;
-			case 16:
-				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
-				break;
+			if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
+				switch (bpc) {
+				case 8:
+				default:
+					args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
+					break;
+				case 10:
+					args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
+					break;
+				case 12:
+					args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
+					break;
+				case 16:
+					args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
+					break;
+				}
 			}
 			args.v6.ucTransmitterID = encoder_id;
 			args.v6.ucEncoderMode = encoder_mode;
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 6f4627f..dd5c14e 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1048,7 +1048,7 @@
 			}
 			if (is_dp)
 				args.v5.ucLaneNum = dp_lane_count;
-			else if (radeon_encoder->pixel_clock > 165000)
+			else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock))
 				args.v5.ucLaneNum = 8;
 			else
 				args.v5.ucLaneNum = 4;
@@ -1666,8 +1666,11 @@
 					args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
 				else
 					args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder);
-			} else
+			} else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
+				args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
+			} else {
 				args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder);
+			}
 			switch (radeon_encoder->encoder_id) {
 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index ad72295..df62c39 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1292,7 +1292,7 @@
 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
 
 	for (i = 0; i < rdev->num_crtc; i++) {
-		if (save->crtc_enabled) {
+		if (save->crtc_enabled[i]) {
 			if (ASIC_IS_DCE6(rdev)) {
 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
 				tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
@@ -1874,7 +1874,7 @@
 	case CHIP_SUMO:
 		rdev->config.evergreen.num_ses = 1;
 		rdev->config.evergreen.max_pipes = 4;
-		rdev->config.evergreen.max_tile_pipes = 2;
+		rdev->config.evergreen.max_tile_pipes = 4;
 		if (rdev->pdev->device == 0x9648)
 			rdev->config.evergreen.max_simds = 3;
 		else if ((rdev->pdev->device == 0x9647) ||
@@ -1963,7 +1963,7 @@
 		break;
 	case CHIP_CAICOS:
 		rdev->config.evergreen.num_ses = 1;
-		rdev->config.evergreen.max_pipes = 4;
+		rdev->config.evergreen.max_pipes = 2;
 		rdev->config.evergreen.max_tile_pipes = 2;
 		rdev->config.evergreen.max_simds = 2;
 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
@@ -3219,6 +3219,8 @@
 	/* enable pcie gen2 link */
 	evergreen_pcie_gen2_enable(rdev);
 
+	evergreen_mc_program(rdev);
+
 	if (ASIC_IS_DCE5(rdev)) {
 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
 			r = ni_init_microcode(rdev);
@@ -3246,7 +3248,6 @@
 	if (r)
 		return r;
 
-	evergreen_mc_program(rdev);
 	if (rdev->flags & RADEON_IS_AGP) {
 		evergreen_agp_enable(rdev);
 	} else {
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index f481da3..461262e 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1552,6 +1552,8 @@
 	/* enable pcie gen2 link */
 	evergreen_pcie_gen2_enable(rdev);
 
+	evergreen_mc_program(rdev);
+
 	if (rdev->flags & RADEON_IS_IGP) {
 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 			r = ni_init_microcode(rdev);
@@ -1580,7 +1582,6 @@
 	if (r)
 		return r;
 
-	evergreen_mc_program(rdev);
 	r = cayman_pcie_gart_enable(rdev);
 	if (r)
 		return r;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 49b6229..1555cd6 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2431,6 +2431,8 @@
 	/* enable pcie gen2 link */
 	r600_pcie_gen2_enable(rdev);
 
+	r600_mc_program(rdev);
+
 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 		r = r600_init_microcode(rdev);
 		if (r) {
@@ -2443,7 +2445,6 @@
 	if (r)
 		return r;
 
-	r600_mc_program(rdev);
 	if (rdev->flags & RADEON_IS_AGP) {
 		r600_agp_enable(rdev);
 	} else {
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 0b59206..61ffe3c 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -530,7 +530,7 @@
 		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1);
 	} else if (ASIC_IS_DCE3(rdev)) {
 		/* TODO */
-	} else if (rdev->family >= CHIP_R600) {
+	} else if (ASIC_IS_DCE2(rdev)) {
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 			WREG32_P(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN,
@@ -602,7 +602,7 @@
 		WREG32_P(radeon_encoder->hdmi_config_offset + 0xc, 0, ~0x1);
 	} else if (ASIC_IS_DCE32(rdev)) {
 		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1);
-	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+	} else if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 			WREG32_P(AVIVO_TMDSA_CNTL, 0,
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 6d0c32b..1ce6743 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -463,6 +463,13 @@
 		}
 	}
 
+	/* Fujitsu D3003-S2 board lists DVI-I as DVI-I and VGA */
+	if ((dev->pdev->device == 0x9805) &&
+	    (dev->pdev->subsystem_vendor == 0x1734) &&
+	    (dev->pdev->subsystem_device == 0x11bd)) {
+		if (*connector_type == DRM_MODE_CONNECTOR_VGA)
+			return false;
+	}
 
 	return true;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 2a2cf0b..428bce6 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -202,6 +202,13 @@
 		has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
 	}
 
+	/* some newer PX laptops mark the dGPU as a non-VGA display device */
+	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
+		vga_count++;
+
+		has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
+	}
+
 	if (has_atpx && vga_count == 2) {
 		acpi_get_name(radeon_atpx_priv.atpx_handle, ACPI_FULL_PATHNAME, &buffer);
 		printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n",
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 07d0bcd..cf5dd63 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -898,10 +898,14 @@
 	}
 
 	/* quirks */
-	/* Radeon 9100 (R200) */
-	if ((dev->pdev->device == 0x514D) &&
+	/* Radeon 7000 (RV100) */
+	if (((dev->pdev->device == 0x5159) &&
 	    (dev->pdev->subsystem_vendor == 0x174B) &&
-	    (dev->pdev->subsystem_device == 0x7149)) {
+	    (dev->pdev->subsystem_device == 0x7c28)) ||
+	/* Radeon 9100 (R200) */
+	   ((dev->pdev->device == 0x514D) &&
+	    (dev->pdev->subsystem_vendor == 0x174B) &&
+	    (dev->pdev->subsystem_device == 0x7149))) {
 		/* vbios value is bad, use the default */
 		found = 0;
 	}
@@ -1484,6 +1488,9 @@
 			   of_machine_is_compatible("PowerBook6,7")) {
 			/* ibook */
 			rdev->mode_info.connector_table = CT_IBOOK;
+		} else if (of_machine_is_compatible("PowerMac3,5")) {
+			/* PowerMac G4 Silver radeon 7500 */
+			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
 		} else if (of_machine_is_compatible("PowerMac4,4")) {
 			/* emac */
 			rdev->mode_info.connector_table = CT_EMAC;
@@ -1509,6 +1516,11 @@
 			   (rdev->pdev->subsystem_device == 0x4150)) {
 			/* Mac G5 tower 9600 */
 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
+		} else if ((rdev->pdev->device == 0x4c66) &&
+			   (rdev->pdev->subsystem_vendor == 0x1002) &&
+			   (rdev->pdev->subsystem_device == 0x4c66)) {
+			/* SAM440ep RV250 embedded board */
+			rdev->mode_info.connector_table = CT_SAM440EP;
 		} else
 #endif /* CONFIG_PPC_PMAC */
 #ifdef CONFIG_PPC64
@@ -2082,6 +2094,115 @@
 					    CONNECTOR_OBJECT_ID_SVIDEO,
 					    &hpd);
 		break;
+	case CT_SAM440EP:
+		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
+			 rdev->mode_info.connector_table);
+		/* LVDS */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_LCD1_SUPPORT,
+								0),
+					  ATOM_DEVICE_LCD1_SUPPORT);
+		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
+					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_LVDS,
+					    &hpd);
+		/* DVI-I - secondary dac, int tmds */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
+		hpd.hpd = RADEON_HPD_1; /* ??? */
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_DFP1_SUPPORT,
+								0),
+					  ATOM_DEVICE_DFP1_SUPPORT);
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_CRT2_SUPPORT,
+								2),
+					  ATOM_DEVICE_CRT2_SUPPORT);
+		radeon_add_legacy_connector(dev, 1,
+					    ATOM_DEVICE_DFP1_SUPPORT |
+					    ATOM_DEVICE_CRT2_SUPPORT,
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
+					    &hpd);
+		/* VGA - primary dac */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_CRT1_SUPPORT,
+								1),
+					  ATOM_DEVICE_CRT1_SUPPORT);
+		radeon_add_legacy_connector(dev, 2,
+					    ATOM_DEVICE_CRT1_SUPPORT,
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA,
+					    &hpd);
+		/* TV - TV DAC */
+		ddc_i2c.valid = false;
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_TV1_SUPPORT,
+								2),
+					  ATOM_DEVICE_TV1_SUPPORT);
+		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
+					    DRM_MODE_CONNECTOR_SVIDEO,
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO,
+					    &hpd);
+		break;
+	case CT_MAC_G4_SILVER:
+		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
+			 rdev->mode_info.connector_table);
+		/* DVI-I - tv dac, int tmds */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
+		hpd.hpd = RADEON_HPD_1; /* ??? */
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_DFP1_SUPPORT,
+								0),
+					  ATOM_DEVICE_DFP1_SUPPORT);
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_CRT2_SUPPORT,
+								2),
+					  ATOM_DEVICE_CRT2_SUPPORT);
+		radeon_add_legacy_connector(dev, 0,
+					    ATOM_DEVICE_DFP1_SUPPORT |
+					    ATOM_DEVICE_CRT2_SUPPORT,
+					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
+					    &hpd);
+		/* VGA - primary dac */
+		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_CRT1_SUPPORT,
+								1),
+					  ATOM_DEVICE_CRT1_SUPPORT);
+		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
+					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_VGA,
+					    &hpd);
+		/* TV - TV DAC */
+		ddc_i2c.valid = false;
+		hpd.hpd = RADEON_HPD_NONE;
+		radeon_add_legacy_encoder(dev,
+					  radeon_get_encoder_enum(dev,
+								ATOM_DEVICE_TV1_SUPPORT,
+								2),
+					  ATOM_DEVICE_TV1_SUPPORT);
+		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
+					    DRM_MODE_CONNECTOR_SVIDEO,
+					    &ddc_i2c,
+					    CONNECTOR_OBJECT_ID_SVIDEO,
+					    &hpd);
+		break;
 	default:
 		DRM_INFO("Connector table: %d (invalid)\n",
 			 rdev->mode_info.connector_table);
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index ab63bcd..9184bbe 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1279,7 +1279,7 @@
 	struct radeon_device *rdev = dev->dev_private;
 
 	if (ASIC_IS_DCE5(rdev) &&
-	    (rdev->clock.dp_extclk >= 53900) &&
+	    (rdev->clock.default_dispclk >= 53900) &&
 	    radeon_connector_encoder_is_hbr2(connector)) {
 		return true;
 	}
@@ -1423,6 +1423,24 @@
 	.force = radeon_dvi_force,
 };
 
+static const struct drm_connector_funcs radeon_edp_connector_funcs = {
+	.dpms = drm_helper_connector_dpms,
+	.detect = radeon_dp_detect,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.set_property = radeon_lvds_set_property,
+	.destroy = radeon_dp_connector_destroy,
+	.force = radeon_dvi_force,
+};
+
+static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
+	.dpms = drm_helper_connector_dpms,
+	.detect = radeon_dp_detect,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.set_property = radeon_lvds_set_property,
+	.destroy = radeon_dp_connector_destroy,
+	.force = radeon_dvi_force,
+};
+
 void
 radeon_add_atom_connector(struct drm_device *dev,
 			  uint32_t connector_id,
@@ -1514,8 +1532,6 @@
 			goto failed;
 		radeon_dig_connector->igp_lane_info = igp_lane_info;
 		radeon_connector->con_priv = radeon_dig_connector;
-		drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
-		drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 		if (i2c_bus->valid) {
 			/* add DP i2c bus */
 			if (connector_type == DRM_MODE_CONNECTOR_eDP)
@@ -1532,6 +1548,10 @@
 		case DRM_MODE_CONNECTOR_VGA:
 		case DRM_MODE_CONNECTOR_DVIA:
 		default:
+			drm_connector_init(dev, &radeon_connector->base,
+					   &radeon_dp_connector_funcs, connector_type);
+			drm_connector_helper_add(&radeon_connector->base,
+						 &radeon_dp_connector_helper_funcs);
 			connector->interlace_allowed = true;
 			connector->doublescan_allowed = true;
 			radeon_connector->dac_load_detect = true;
@@ -1544,6 +1564,10 @@
 		case DRM_MODE_CONNECTOR_HDMIA:
 		case DRM_MODE_CONNECTOR_HDMIB:
 		case DRM_MODE_CONNECTOR_DisplayPort:
+			drm_connector_init(dev, &radeon_connector->base,
+					   &radeon_dp_connector_funcs, connector_type);
+			drm_connector_helper_add(&radeon_connector->base,
+						 &radeon_dp_connector_helper_funcs);
 			drm_connector_attach_property(&radeon_connector->base,
 						      rdev->mode_info.underscan_property,
 						      UNDERSCAN_OFF);
@@ -1568,6 +1592,10 @@
 			break;
 		case DRM_MODE_CONNECTOR_LVDS:
 		case DRM_MODE_CONNECTOR_eDP:
+			drm_connector_init(dev, &radeon_connector->base,
+					   &radeon_lvds_bridge_connector_funcs, connector_type);
+			drm_connector_helper_add(&radeon_connector->base,
+						 &radeon_dp_connector_helper_funcs);
 			drm_connector_attach_property(&radeon_connector->base,
 						      dev->mode_config.scaling_mode_property,
 						      DRM_MODE_SCALE_FULLSCREEN);
@@ -1731,7 +1759,7 @@
 				goto failed;
 			radeon_dig_connector->igp_lane_info = igp_lane_info;
 			radeon_connector->con_priv = radeon_dig_connector;
-			drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
+			drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
 			drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
 			if (i2c_bus->valid) {
 				/* add DP i2c bus */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 00d9cac..adc9bfd 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -709,6 +709,10 @@
 	struct radeon_device *rdev = dev->dev_private;
 	int ret = 0;
 
+	/* don't leak the edid if we already fetched it in detect() */
+	if (radeon_connector->edid)
+		goto got_edid;
+
 	/* on hw with routers, select right port */
 	if (radeon_connector->router.ddc_valid)
 		radeon_router_select_ddc_port(radeon_connector);
@@ -748,8 +752,10 @@
 			radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
 	}
 	if (radeon_connector->edid) {
+got_edid:
 		drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
 		ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
+		drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid);
 		return ret;
 	}
 	drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 3c2628b..9b46238 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -39,8 +39,12 @@
 
 	if (rdev == NULL)
 		return 0;
+	if (rdev->rmmio == NULL)
+		goto done_free;
 	radeon_modeset_fini(rdev);
 	radeon_device_fini(rdev);
+
+done_free:
 	kfree(rdev);
 	dev->dev_private = NULL;
 	return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index d221490..d5d83c6 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -210,6 +210,8 @@
 	CT_RN50_POWER,
 	CT_MAC_X800,
 	CT_MAC_G5_9600,
+	CT_SAM440EP,
+	CT_MAC_G4_SILVER
 };
 
 enum radeon_dvo_chip {
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 5248001..739eb0d 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -539,8 +539,10 @@
 		return -EINVAL;
 	}
 	addr = addr & 0xFFFFFFFFFFFFF000ULL;
-	addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
-	addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
+	if (addr != rdev->dummy_page.addr)
+		addr |= R600_PTE_VALID | R600_PTE_READABLE |
+			R600_PTE_WRITEABLE;
+	addr |= R600_PTE_SYSTEM | R600_PTE_SNOOPED;
 	writeq(addr, ptr + (i * 8));
 	return 0;
 }
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 4a3937f..1ec1255 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1058,6 +1058,8 @@
 	/* enable pcie gen2 link */
 	rv770_pcie_gen2_enable(rdev);
 
+	rv770_mc_program(rdev);
+
 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 		r = r600_init_microcode(rdev);
 		if (r) {
@@ -1070,7 +1072,6 @@
 	if (r)
 		return r;
 
-	rv770_mc_program(rdev);
 	if (rdev->flags & RADEON_IS_AGP) {
 		rv770_agp_enable(rdev);
 	} else {
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index c22b5e7..e710073 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -3834,6 +3834,8 @@
 	struct radeon_ring *ring;
 	int r;
 
+	si_mc_program(rdev);
+
 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
 	    !rdev->rlc_fw || !rdev->mc_fw) {
 		r = si_init_microcode(rdev);
@@ -3853,7 +3855,6 @@
 	if (r)
 		return r;
 
-	si_mc_program(rdev);
 	r = si_pcie_gart_enable(rdev);
 	if (r)
 		return r;
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 8b73ae8..a67e61b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -430,9 +430,11 @@
 
 moved:
 	if (bo->evicted) {
-		ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement);
-		if (ret)
-			pr_err("Can not flush read caches\n");
+		if (bdev->driver->invalidate_caches) {
+			ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement);
+			if (ret)
+				pr_err("Can not flush read caches\n");
+		}
 		bo->evicted = false;
 	}
 
@@ -1089,24 +1091,32 @@
 	return ret;
 }
 
-static int ttm_bo_mem_compat(struct ttm_placement *placement,
-			     struct ttm_mem_reg *mem)
+static bool ttm_bo_mem_compat(struct ttm_placement *placement,
+			      struct ttm_mem_reg *mem,
+			      uint32_t *new_flags)
 {
 	int i;
 
 	if (mem->mm_node && placement->lpfn != 0 &&
 	    (mem->start < placement->fpfn ||
 	     mem->start + mem->num_pages > placement->lpfn))
-		return -1;
+		return false;
 
 	for (i = 0; i < placement->num_placement; i++) {
-		if ((placement->placement[i] & mem->placement &
-			TTM_PL_MASK_CACHING) &&
-			(placement->placement[i] & mem->placement &
-			TTM_PL_MASK_MEM))
-			return i;
+		*new_flags = placement->placement[i];
+		if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
+		    (*new_flags & mem->placement & TTM_PL_MASK_MEM))
+			return true;
 	}
-	return -1;
+
+	for (i = 0; i < placement->num_busy_placement; i++) {
+		*new_flags = placement->busy_placement[i];
+		if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
+		    (*new_flags & mem->placement & TTM_PL_MASK_MEM))
+			return true;
+	}
+
+	return false;
 }
 
 int ttm_bo_validate(struct ttm_buffer_object *bo,
@@ -1115,6 +1125,7 @@
 			bool no_wait_gpu)
 {
 	int ret;
+	uint32_t new_flags;
 
 	BUG_ON(!atomic_read(&bo->reserved));
 	/* Check that range is valid */
@@ -1125,8 +1136,7 @@
 	/*
 	 * Check whether we need to move buffer.
 	 */
-	ret = ttm_bo_mem_compat(placement, &bo->mem);
-	if (ret < 0) {
+	if (!ttm_bo_mem_compat(placement, &bo->mem, &new_flags)) {
 		ret = ttm_bo_move_buffer(bo, placement, interruptible, no_wait_reserve, no_wait_gpu);
 		if (ret)
 			return ret;
@@ -1135,7 +1145,7 @@
 		 * Use the access and other non-mapping-related flag bits from
 		 * the compatible memory placement flags to the active flags
 		 */
-		ttm_flag_masked(&bo->mem.placement, placement->placement[ret],
+		ttm_flag_masked(&bo->mem.placement, new_flags,
 				~TTM_PL_MASK_MEMTYPE);
 	}
 	/*
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 3c447bf..7fc3dc7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -147,7 +147,7 @@
 	}
 
 	if (!vmw_kms_validate_mode_vram(vmw_priv,
-					info->fix.line_length,
+					var->xres * var->bits_per_pixel/8,
 					var->yoffset + var->yres)) {
 		DRM_ERROR("Requested geom can not fit in framebuffer\n");
 		return -EINVAL;
@@ -162,6 +162,8 @@
 	struct vmw_private *vmw_priv = par->vmw_priv;
 	int ret;
 
+	info->fix.line_length = info->var.xres * info->var.bits_per_pixel/8;
+
 	ret = vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
 				 info->fix.line_length,
 				 par->bpp, par->depth);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index a0c2f12..decca82 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -163,8 +163,9 @@
 
 	mutex_lock(&dev_priv->hw_mutex);
 
+	vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
 	while (vmw_read(dev_priv, SVGA_REG_BUSY) != 0)
-		vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
+		;
 
 	dev_priv->last_read_seqno = ioread32(fifo_mem + SVGA_FIFO_FENCE);
 
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 9421f64..ddb83d3 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -480,6 +480,9 @@
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
 			APPLE_ISO_KEYBOARD },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+				USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
+		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c
index 888ece6..f870bb3 100644
--- a/drivers/hid/hid-cherry.c
+++ b/drivers/hid/hid-cherry.c
@@ -29,7 +29,7 @@
 static __u8 *ch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
-	if (*rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
+	if (*rsize >= 18 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
 		hid_info(hdev, "fixing up Cherry Cymotion report descriptor\n");
 		rdesc[11] = rdesc[16] = 0xff;
 		rdesc[12] = rdesc[17] = 0x03;
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index e937a58..75fa2e7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -222,9 +222,9 @@
 {
 	struct hid_report *report;
 	struct hid_field *field;
-	int usages;
+	unsigned usages;
 	unsigned offset;
-	int i;
+	unsigned i;
 
 	report = hid_register_report(parser->device, report_type, parser->global.report_id);
 	if (!report) {
@@ -244,7 +244,8 @@
 	if (!parser->local.usage_index) /* Ignore padding fields */
 		return 0;
 
-	usages = max_t(int, parser->local.usage_index, parser->global.report_count);
+	usages = max_t(unsigned, parser->local.usage_index,
+				 parser->global.report_count);
 
 	field = hid_register_field(report, usages, parser->global.report_count);
 	if (!field)
@@ -255,7 +256,7 @@
 	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 
 	for (i = 0; i < usages; i++) {
-		int j = i;
+		unsigned j = i;
 		/* Duplicate the last usage we parsed if we have excess values */
 		if (i >= parser->local.usage_index)
 			j = parser->local.usage_index - 1;
@@ -860,7 +861,17 @@
 	 * ->numbered being checked, which may not always be the case when
 	 * drivers go to access report values.
 	 */
-	report = hid->report_enum[type].report_id_hash[id];
+	if (id == 0) {
+		/*
+		 * Validating on id 0 means we should examine the first
+		 * report in the list.
+		 */
+		report = list_entry(
+				hid->report_enum[type].report_list.next,
+				struct hid_report, list);
+	} else {
+		report = hid->report_enum[type].report_id_hash[id];
+	}
 	if (!report) {
 		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
 		return NULL;
@@ -1099,7 +1110,7 @@
 	return report;
 }
 
-void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
+int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
 		int interrupt)
 {
 	struct hid_report_enum *report_enum = hid->report_enum + type;
@@ -1107,10 +1118,11 @@
 	unsigned int a;
 	int rsize, csize = size;
 	u8 *cdata = data;
+	int ret = 0;
 
 	report = hid_get_report(report_enum, data);
 	if (!report)
-		return;
+		goto out;
 
 	if (report_enum->numbered) {
 		cdata++;
@@ -1130,14 +1142,19 @@
 
 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
 		hid->hiddev_report_event(hid, report);
-	if (hid->claimed & HID_CLAIMED_HIDRAW)
-		hidraw_report_event(hid, data, size);
+	if (hid->claimed & HID_CLAIMED_HIDRAW) {
+		ret = hidraw_report_event(hid, data, size);
+		if (ret)
+			goto out;
+	}
 
 	for (a = 0; a < report->maxfield; a++)
 		hid_input_field(hid, report->field[a], cdata, interrupt);
 
 	if (hid->claimed & HID_CLAIMED_INPUT)
 		hidinput_report_event(hid, report);
+out:
+	return ret;
 }
 EXPORT_SYMBOL_GPL(hid_report_raw_event);
 
@@ -1214,7 +1231,7 @@
 		}
 	}
 
-	hid_report_raw_event(hid, type, data, size, interrupt);
+	ret = hid_report_raw_event(hid, type, data, size, interrupt);
 
 unlock:
 	up(&hid->driver_lock);
@@ -1612,6 +1629,7 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 8cc08e2..441be0e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -293,6 +293,12 @@
 #define USB_VENDOR_ID_FRUCTEL	0x25B6
 #define USB_DEVICE_ID_GAMETEL_MT_MODE	0x0002
 
+#define USB_VENDOR_ID_FORMOSA          0x147a
+#define USB_DEVICE_ID_FORMOSA_IR_RECEIVER      0xe03e
+
+#define USB_VENDOR_ID_FREESCALE		0x15A2
+#define USB_DEVICE_ID_FREESCALE_MX28	0x004F
+
 #define USB_VENDOR_ID_GAMERON		0x0810
 #define USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR	0x0001
 #define USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR	0x0002
@@ -553,6 +559,9 @@
 #define USB_VENDOR_ID_MONTEREY		0x0566
 #define USB_DEVICE_ID_GENIUS_KB29E	0x3004
 
+#define USB_VENDOR_ID_MSI		0x1770
+#define USB_DEVICE_ID_MSI_GX680R_LED_PANEL	0xff00
+
 #define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400
 #define USB_DEVICE_ID_N_S_HARMONY	0xc359
 
@@ -679,6 +688,7 @@
 
 #define USB_VENDOR_ID_SONY			0x054c
 #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE	0x024b
+#define USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE	0x0374
 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER	0x0268
 #define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER	0x042f
 
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 847ca88..48975fc 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -459,6 +459,10 @@
 	if (field->flags & HID_MAIN_ITEM_CONSTANT)
 		goto ignore;
 
+	/* Ignore if report count is out of bounds. */
+	if (field->report_count < 1)
+		goto ignore;
+
 	/* only LED usages are supported in output fields */
 	if (field->report_type == HID_OUTPUT_REPORT &&
 			(usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
@@ -1119,7 +1123,12 @@
 
 	rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
 	list_for_each_entry(rep, &rep_enum->report_list, list)
-		for (i = 0; i < rep->maxfield; i++)
+		for (i = 0; i < rep->maxfield; i++) {
+
+			/* Ignore if report count is out of bounds. */
+			if (rep->field[i]->report_count < 1)
+				continue;
+
 			for (j = 0; j < rep->field[i]->maxusage; j++) {
 				/* Verify if Battery Strength feature is available */
 				hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]);
@@ -1128,6 +1137,7 @@
 					drv->feature_mapping(hid, rep->field[i],
 							     rep->field[i]->usage + j);
 			}
+		}
 }
 
 /*
diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c
index b4f0d82..d7118f8 100644
--- a/drivers/hid/hid-kye.c
+++ b/drivers/hid/hid-kye.c
@@ -282,7 +282,7 @@
 		 *   - change the button usage range to 4-7 for the extra
 		 *     buttons
 		 */
-		if (*rsize >= 74 &&
+		if (*rsize >= 75 &&
 			rdesc[61] == 0x05 && rdesc[62] == 0x08 &&
 			rdesc[63] == 0x19 && rdesc[64] == 0x08 &&
 			rdesc[65] == 0x29 && rdesc[66] == 0x0f &&
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index e7a7bd1..cb01e67 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -111,7 +111,7 @@
 {
 	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 
-	if ((quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
+	if ((quirks & LG_RDESC) && *rsize >= 91 && rdesc[83] == 0x26 &&
 			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
 		hid_info(hdev,
 			 "fixing up Logitech keyboard report descriptor\n");
@@ -120,7 +120,7 @@
 	}
 	if ((quirks & LG_RDESC_REL_ABS) && *rsize >= 50 &&
 			rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
-			rdesc[49] == 0x81 && rdesc[50] == 0x06) {
+			rdesc[49] == 0x81 && rdesc[51] == 0x06) {
 		hid_info(hdev,
 			 "fixing up rel/abs in Logitech report descriptor\n");
 		rdesc[33] = rdesc[50] = 0x02;
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 2652846..f009ab2 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -230,13 +230,6 @@
 		return;
 	}
 
-	if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) ||
-	    (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) {
-		dev_err(&djrcv_hdev->dev, "%s: invalid device index:%d\n",
-			__func__, dj_report->device_index);
-		return;
-	}
-
 	if (djrcv_dev->paired_dj_devices[dj_report->device_index]) {
 		/* The device is already known. No need to reallocate it. */
 		dbg_hid("%s: device is already known\n", __func__);
@@ -474,28 +467,38 @@
 
 static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
 {
-	struct dj_report dj_report;
+	struct dj_report *dj_report;
+	int retval;
 
-	memset(&dj_report, 0, sizeof(dj_report));
-	dj_report.report_id = REPORT_ID_DJ_SHORT;
-	dj_report.device_index = 0xFF;
-	dj_report.report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES;
-	return logi_dj_recv_send_report(djrcv_dev, &dj_report);
+	dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
+	if (!dj_report)
+		return -ENOMEM;
+	dj_report->report_id = REPORT_ID_DJ_SHORT;
+	dj_report->device_index = 0xFF;
+	dj_report->report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES;
+	retval = logi_dj_recv_send_report(djrcv_dev, dj_report);
+	kfree(dj_report);
+	return retval;
 }
 
 
 static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
 					  unsigned timeout)
 {
-	struct dj_report dj_report;
+	struct dj_report *dj_report;
+	int retval;
 
-	memset(&dj_report, 0, sizeof(dj_report));
-	dj_report.report_id = REPORT_ID_DJ_SHORT;
-	dj_report.device_index = 0xFF;
-	dj_report.report_type = REPORT_TYPE_CMD_SWITCH;
-	dj_report.report_params[CMD_SWITCH_PARAM_DEVBITFIELD] = 0x3F;
-	dj_report.report_params[CMD_SWITCH_PARAM_TIMEOUT_SECONDS] = (u8)timeout;
-	return logi_dj_recv_send_report(djrcv_dev, &dj_report);
+	dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
+	if (!dj_report)
+		return -ENOMEM;
+	dj_report->report_id = REPORT_ID_DJ_SHORT;
+	dj_report->device_index = 0xFF;
+	dj_report->report_type = REPORT_TYPE_CMD_SWITCH;
+	dj_report->report_params[CMD_SWITCH_PARAM_DEVBITFIELD] = 0x3F;
+	dj_report->report_params[CMD_SWITCH_PARAM_TIMEOUT_SECONDS] = (u8)timeout;
+	retval = logi_dj_recv_send_report(djrcv_dev, dj_report);
+	kfree(dj_report);
+	return retval;
 }
 
 
@@ -678,7 +681,6 @@
 	struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev);
 	struct dj_report *dj_report = (struct dj_report *) data;
 	unsigned long flags;
-	bool report_processed = false;
 
 	dbg_hid("%s, size:%d\n", __func__, size);
 
@@ -706,27 +708,41 @@
 	 * anything else with it.
 	 */
 
+	/* case 1) */
+	if (data[0] != REPORT_ID_DJ_SHORT)
+		return false;
+
+	if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) ||
+	    (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) {
+		/*
+		 * Device index is wrong, bail out.
+		 * This driver can ignore safely the receiver notifications,
+		 * so ignore those reports too.
+		 */
+		if (dj_report->device_index != DJ_RECEIVER_INDEX)
+			dev_err(&hdev->dev, "%s: invalid device index:%d\n",
+				__func__, dj_report->device_index);
+		return false;
+	}
+
 	spin_lock_irqsave(&djrcv_dev->lock, flags);
-	if (dj_report->report_id == REPORT_ID_DJ_SHORT) {
-		switch (dj_report->report_type) {
-		case REPORT_TYPE_NOTIF_DEVICE_PAIRED:
-		case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED:
-			logi_dj_recv_queue_notification(djrcv_dev, dj_report);
-			break;
-		case REPORT_TYPE_NOTIF_CONNECTION_STATUS:
-			if (dj_report->report_params[CONNECTION_STATUS_PARAM_STATUS] ==
-			    STATUS_LINKLOSS) {
-				logi_dj_recv_forward_null_report(djrcv_dev, dj_report);
-			}
-			break;
-		default:
-			logi_dj_recv_forward_report(djrcv_dev, dj_report);
+	switch (dj_report->report_type) {
+	case REPORT_TYPE_NOTIF_DEVICE_PAIRED:
+	case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED:
+		logi_dj_recv_queue_notification(djrcv_dev, dj_report);
+		break;
+	case REPORT_TYPE_NOTIF_CONNECTION_STATUS:
+		if (dj_report->report_params[CONNECTION_STATUS_PARAM_STATUS] ==
+		    STATUS_LINKLOSS) {
+			logi_dj_recv_forward_null_report(djrcv_dev, dj_report);
 		}
-		report_processed = true;
+		break;
+	default:
+		logi_dj_recv_forward_report(djrcv_dev, dj_report);
 	}
 	spin_unlock_irqrestore(&djrcv_dev->lock, flags);
 
-	return report_processed;
+	return true;
 }
 
 static int logi_dj_probe(struct hid_device *hdev,
diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h
index 4a40003..daeb0aa 100644
--- a/drivers/hid/hid-logitech-dj.h
+++ b/drivers/hid/hid-logitech-dj.h
@@ -27,6 +27,7 @@
 
 #define DJ_MAX_PAIRED_DEVICES			6
 #define DJ_MAX_NUMBER_NOTIFICATIONS		8
+#define DJ_RECEIVER_INDEX			0
 #define DJ_DEVICE_INDEX_MIN 			1
 #define DJ_DEVICE_INDEX_MAX 			6
 
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 8427463..05643cf 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -308,6 +308,11 @@
 		if (size < 4 || ((size - 4) % 9) != 0)
 			return 0;
 		npoints = (size - 4) / 9;
+		if (npoints > 15) {
+			hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n",
+					size);
+			return 0;
+		}
 		msc->ntouches = 0;
 		for (ii = 0; ii < npoints; ii++)
 			magicmouse_emit_touch(msc, ii, data + ii * 9 + 4);
@@ -331,6 +336,11 @@
 		if (size < 6 || ((size - 6) % 8) != 0)
 			return 0;
 		npoints = (size - 6) / 8;
+		if (npoints > 15) {
+			hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n",
+					size);
+			return 0;
+		}
 		msc->ntouches = 0;
 		for (ii = 0; ii < npoints; ii++)
 			magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c
index dedf757..eb0271e 100644
--- a/drivers/hid/hid-monterey.c
+++ b/drivers/hid/hid-monterey.c
@@ -25,7 +25,7 @@
 static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
-	if (*rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
+	if (*rsize >= 31 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
 		hid_info(hdev, "fixing up button/consumer in HID report descriptor\n");
 		rdesc[30] = 0x0c;
 	}
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 7a180b9..0e98570 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -82,8 +82,8 @@
 					   multitouch fields */
 	unsigned last_field_index;	/* last field index of the report */
 	unsigned last_slot_field;	/* the last field of a slot */
-	__s8 inputmode;		/* InputMode HID feature, -1 if non-existent */
-	__s8 maxcontact_report_id;	/* Maximum Contact Number HID feature,
+	__s16 inputmode;		/* InputMode HID feature, -1 if non-existent */
+	__s16 maxcontact_report_id;	/* Maximum Contact Number HID feature,
 				   -1 if non-existent */
 	__u8 num_received;	/* how many contacts we received */
 	__u8 num_expected;	/* expected last contact index */
diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c
index f1ea3ff..99f317a 100644
--- a/drivers/hid/hid-petalynx.c
+++ b/drivers/hid/hid-petalynx.c
@@ -26,7 +26,7 @@
 static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
-	if (*rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
+	if (*rsize >= 62 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
 			rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
 			rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
 		hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n");
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 95f9047..4e37b1f 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -2370,6 +2370,12 @@
 	if (!data)
 		return 1;
 
+	if (size > 64) {
+		hid_warn(hdev, "invalid size value (%d) for picolcd raw event\n",
+				size);
+		return 0;
+	}
+
 	if (report->id == REPORT_KEY_STATE) {
 		if (data->input_keys)
 			ret = picolcd_raw_keypad(data, report, raw_data+1, size-1);
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 5cd25bd..4142c21 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -44,9 +44,19 @@
 {
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
-			*rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
-		hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n");
+	/*
+	 * Some Sony RF receivers wrongly declare the mouse pointer as a
+	 * a constant non-data variable.
+	 */
+	if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
+	    /* usage page: generic desktop controls */
+	    /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
+	    /* usage: mouse */
+	    rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
+	    /* input (usage page for x,y axes): constant, variable, relative */
+	    rdesc[54] == 0x81 && rdesc[55] == 0x07) {
+		hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
+		/* input: data, variable, relative */
 		rdesc[55] = 0x06;
 	}
 
@@ -218,6 +228,8 @@
 		.driver_data = SIXAXIS_CONTROLLER_BT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
 		.driver_data = VAIO_RDESC_CONSTANT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
+		.driver_data = VAIO_RDESC_CONSTANT },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, sony_devices);
diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c
index d484a00..3d6ae7b 100644
--- a/drivers/hid/hid-sunplus.c
+++ b/drivers/hid/hid-sunplus.c
@@ -25,7 +25,7 @@
 static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
-	if (*rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&
+	if (*rsize >= 112 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&
 			rdesc[106] == 0x03) {
 		hid_info(hdev, "fixing up Sunplus Wireless Desktop report descriptor\n");
 		rdesc[105] = rdesc[110] = 0x03;
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index cf7d6d5..9e50f61 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -87,13 +87,16 @@
 		len = list->buffer[list->tail].len > count ?
 			count : list->buffer[list->tail].len;
 
-		if (copy_to_user(buffer, list->buffer[list->tail].value, len)) {
-			ret = -EFAULT;
-			goto out;
+		if (list->buffer[list->tail].value) {
+			if (copy_to_user(buffer, list->buffer[list->tail].value, len)) {
+				ret = -EFAULT;
+				goto out;
+			}
+			ret = len;
 		}
-		ret = len;
 
 		kfree(list->buffer[list->tail].value);
+		list->buffer[list->tail].value = NULL;
 		list->tail = (list->tail + 1) & (HIDRAW_BUFFER_SIZE - 1);
 	}
 out:
@@ -110,7 +113,7 @@
 	__u8 *buf;
 	int ret = 0;
 
-	if (!hidraw_table[minor]) {
+	if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
 		ret = -ENODEV;
 		goto out;
 	}
@@ -258,7 +261,7 @@
 	}
 
 	mutex_lock(&minors_lock);
-	if (!hidraw_table[minor]) {
+	if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
 		err = -ENODEV;
 		goto out_unlock;
 	}
@@ -292,35 +295,38 @@
 
 }
 
+static void drop_ref(struct hidraw *hidraw, int exists_bit)
+{
+	if (exists_bit) {
+		hid_hw_close(hidraw->hid);
+		hidraw->exist = 0;
+		if (hidraw->open)
+			wake_up_interruptible(&hidraw->wait);
+	} else {
+		--hidraw->open;
+	}
+
+	if (!hidraw->open && !hidraw->exist) {
+		device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+		hidraw_table[hidraw->minor] = NULL;
+		kfree(hidraw);
+	}
+}
+
 static int hidraw_release(struct inode * inode, struct file * file)
 {
 	unsigned int minor = iminor(inode);
-	struct hidraw *dev;
 	struct hidraw_list *list = file->private_data;
-	int ret;
 
 	mutex_lock(&minors_lock);
-	if (!hidraw_table[minor]) {
-		ret = -ENODEV;
-		goto unlock;
-	}
 
 	list_del(&list->node);
-	dev = hidraw_table[minor];
-	if (!--dev->open) {
-		if (list->hidraw->exist) {
-			hid_hw_power(dev->hid, PM_HINT_NORMAL);
-			hid_hw_close(dev->hid);
-		} else {
-			kfree(list->hidraw);
-		}
-	}
 	kfree(list);
-	ret = 0;
-unlock:
-	mutex_unlock(&minors_lock);
 
-	return ret;
+	drop_ref(hidraw_table[minor], 0);
+
+	mutex_unlock(&minors_lock);
+	return 0;
 }
 
 static long hidraw_ioctl(struct file *file, unsigned int cmd,
@@ -437,19 +443,29 @@
 	.llseek =	noop_llseek,
 };
 
-void hidraw_report_event(struct hid_device *hid, u8 *data, int len)
+int hidraw_report_event(struct hid_device *hid, u8 *data, int len)
 {
 	struct hidraw *dev = hid->hidraw;
 	struct hidraw_list *list;
+	int ret = 0;
 
 	list_for_each_entry(list, &dev->list, node) {
-		list->buffer[list->head].value = kmemdup(data, len, GFP_ATOMIC);
+		int new_head = (list->head + 1) & (HIDRAW_BUFFER_SIZE - 1);
+
+		if (new_head == list->tail)
+			continue;
+
+		if (!(list->buffer[list->head].value = kmemdup(data, len, GFP_ATOMIC))) {
+			ret = -ENOMEM;
+			break;
+		}
 		list->buffer[list->head].len = len;
-		list->head = (list->head + 1) & (HIDRAW_BUFFER_SIZE - 1);
+		list->head = new_head;
 		kill_fasync(&list->fasync, SIGIO, POLL_IN);
 	}
 
 	wake_up_interruptible(&dev->wait);
+	return ret;
 }
 EXPORT_SYMBOL_GPL(hidraw_report_event);
 
@@ -514,18 +530,9 @@
 	struct hidraw *hidraw = hid->hidraw;
 
 	mutex_lock(&minors_lock);
-	hidraw->exist = 0;
 
-	device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+	drop_ref(hidraw, 1);
 
-	hidraw_table[hidraw->minor] = NULL;
-
-	if (hidraw->open) {
-		hid_hw_close(hid);
-		wake_up_interruptible(&hidraw->wait);
-	} else {
-		kfree(hidraw);
-	}
 	mutex_unlock(&minors_lock);
 }
 EXPORT_SYMBOL_GPL(hidraw_disconnect);
@@ -542,21 +549,28 @@
 
 	if (result < 0) {
 		pr_warn("can't get major number\n");
-		result = 0;
 		goto out;
 	}
 
 	hidraw_class = class_create(THIS_MODULE, "hidraw");
 	if (IS_ERR(hidraw_class)) {
 		result = PTR_ERR(hidraw_class);
-		unregister_chrdev(hidraw_major, "hidraw");
-		goto out;
+		goto error_cdev;
 	}
 
         cdev_init(&hidraw_cdev, &hidraw_ops);
-        cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES);
+	result = cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES);
+	if (result < 0)
+		goto error_class;
+
 out:
 	return result;
+
+error_class:
+	class_destroy(hidraw_class);
+error_cdev:
+	unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
+	goto out;
 }
 
 void hidraw_exit(void)
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index d712294..bf60cc3 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -70,7 +70,10 @@
 	{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
+	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 8af25a0..d01edf3 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -383,7 +383,7 @@
 					     sizeof(u64));
 
 	/* Make sure we flush all writes before updating the writeIndex */
-	smp_wmb();
+	wmb();
 
 	/* Now, update the write location */
 	hv_set_next_write_location(outring_info, next_write_location);
@@ -485,7 +485,7 @@
 	/* Make sure all reads are done before we update the read index since */
 	/* the writer may start writing to the read area once the read index */
 	/*is updated */
-	smp_mb();
+	mb();
 
 	/* Update the read index */
 	hv_set_next_read_location(inring_info, next_read_location);
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index a220e57..10619b3 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -466,7 +466,7 @@
 		 * will not deliver any more messages since there is
 		 * no empty slot
 		 */
-		smp_mb();
+		mb();
 
 		if (msg->header.message_flags.msg_pending) {
 			/*
diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index 80cc465..f078bae 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -231,6 +231,9 @@
 	/* Update the value */
 	reg = (reg & 0x3F) | (val << 6);
 
+	/* Update the cache */
+	data->fan_div[attr->index] = reg;
+
 	/* Write value */
 	i2c_smbus_write_byte_data(client,
 				  ADM1029_REG_FAN_DIV[attr->index], reg);
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index f600fa1..1d2bace 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -715,7 +715,7 @@
 	get_temp_alarm, NULL, IDX_TEMP1_MAX);
 static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
 	get_temp_alarm, NULL, IDX_TEMP1_CRIT);
-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR,
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO,
 	get_temp, NULL, IDX_TEMP2_INPUT);
 static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp,
 	set_temp, IDX_TEMP2_MIN);
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 73bea49..5b7afc0 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -212,6 +212,7 @@
 
 static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len)
 {
+	u8 status, data = 0;
 	int i;
 
 	if (send_command(cmd) || send_argument(key)) {
@@ -219,6 +220,7 @@
 		return -EIO;
 	}
 
+	/* This has no effect on newer (2012) SMCs */
 	outb(len, APPLESMC_DATA_PORT);
 
 	for (i = 0; i < len; i++) {
@@ -229,6 +231,17 @@
 		buffer[i] = inb(APPLESMC_DATA_PORT);
 	}
 
+	/* Read the data port until bit0 is cleared */
+	for (i = 0; i < 16; i++) {
+		udelay(APPLESMC_MIN_WAIT);
+		status = inb(APPLESMC_CMD_PORT);
+		if (!(status & 0x01))
+			break;
+		data = inb(APPLESMC_DATA_PORT);
+	}
+	if (i)
+		pr_warn("flushed %d bytes, last value is: %d\n", i, data);
+
 	return 0;
 }
 
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index fac07d3..5edfb75 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -191,6 +191,27 @@
 	return tdata->valid ? sprintf(buf, "%d\n", tdata->temp) : -EAGAIN;
 }
 
+struct tjmax {
+	char const *id;
+	int tjmax;
+};
+
+static struct tjmax __cpuinitconst tjmax_table[] = {
+	{ "CPU D410", 100000 },
+	{ "CPU D425", 100000 },
+	{ "CPU D510", 100000 },
+	{ "CPU D525", 100000 },
+	{ "CPU N450", 100000 },
+	{ "CPU N455", 100000 },
+	{ "CPU N470", 100000 },
+	{ "CPU N475", 100000 },
+	{ "CPU  230", 100000 },		/* Model 0x1c, stepping 2	*/
+	{ "CPU  330", 125000 },		/* Model 0x1c, stepping 2	*/
+	{ "CPU CE4110", 110000 },	/* Model 0x1c, stepping 10	*/
+	{ "CPU CE4150", 110000 },	/* Model 0x1c, stepping 10	*/
+	{ "CPU CE4170", 110000 },	/* Model 0x1c, stepping 10	*/
+};
+
 static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
 				  struct device *dev)
 {
@@ -202,6 +223,13 @@
 	int err;
 	u32 eax, edx;
 	struct pci_dev *host_bridge;
+	int i;
+
+	/* explicit tjmax table entries override heuristics */
+	for (i = 0; i < ARRAY_SIZE(tjmax_table); i++) {
+		if (strstr(c->x86_model_id, tjmax_table[i].id))
+			return tjmax_table[i].tjmax;
+	}
 
 	/* Early chips have no MSR for TjMax */
 
@@ -210,7 +238,8 @@
 
 	/* Atom CPUs */
 
-	if (c->x86_model == 0x1c) {
+	if (c->x86_model == 0x1c || c->x86_model == 0x26
+	    || c->x86_model == 0x27) {
 		usemsr_ee = 0;
 
 		host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
@@ -223,6 +252,9 @@
 			tjmax = 90000;
 
 		pci_dev_put(host_bridge);
+	} else if (c->x86_model == 0x36) {
+		usemsr_ee = 0;
+		tjmax = 100000;
 	}
 
 	if (c->x86_model > 0xe && usemsr_ee) {
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 149dcb0..d5c33d5 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -161,7 +161,7 @@
 	if (retval < 0)
 		goto fail;
 
-	hyst = val - retval * 1000;
+	hyst = retval * 1000 - val;
 	hyst = DIV_ROUND_CLOSEST(hyst, 1000);
 	if (hyst < 0 || hyst > 255) {
 		retval = -ERANGE;
@@ -294,7 +294,7 @@
 	}
 
 	id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG);
-	if (id != 0x01)
+	if (id < 0x01 || id > 0x04)
 		return -ENODEV;
 
 	return 0;
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index f6bc414..8d6a133 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -94,6 +94,8 @@
 {
 	if (rpm <= 0)
 		return 255;
+	if (rpm > 1350000)
+		return 1;
 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 }
 
diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c
index 335b183..f058886 100644
--- a/drivers/hwmon/max1668.c
+++ b/drivers/hwmon/max1668.c
@@ -243,7 +243,7 @@
 	data->temp_min[index] = SENSORS_LIMIT(temp/1000, -128, 127);
 	if (i2c_smbus_write_byte_data(client,
 					MAX1668_REG_LIML_WR(index),
-					data->temp_max[index]))
+					data->temp_min[index]))
 		count = -EIO;
 	mutex_unlock(&data->update_lock);
 
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 6c4d8eb..098489c 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -141,6 +141,8 @@
 {
 	if (rpm <= 0)
 		return 255;
+	if (rpm > 1350000)
+		return 1;
 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 }
 
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index 386a845..0a287e0 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -145,7 +145,7 @@
  */
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
-	if (rpm == 0)
+	if (rpm <= 0 || rpm > 1310720)
 		return 0;
 	return SENSORS_LIMIT(1310720 / (rpm * div), 1, 255);
 }
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index f5d2ab7..df36e53 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -138,6 +138,7 @@
 	    ATI SB700
 	    ATI SB800
 	    AMD Hudson-2
+	    AMD CZ
 	    Serverworks OSB4
 	    Serverworks CSB5
 	    Serverworks CSB6
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 3c2812f..aadb398 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -346,6 +346,9 @@
 		ic_con &= ~DW_IC_CON_10BITADDR_MASTER;
 	dw_writel(dev, ic_con, DW_IC_CON);
 
+	/* enforce disabled interrupts (due to HW issues) */
+	i2c_dw_disable_int(dev);
+
 	/* Enable the adapter */
 	dw_writel(dev, 1, DW_IC_ENABLE);
 
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index c14d48d..a356974 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -22,7 +22,7 @@
 	Intel PIIX4, 440MX
 	Serverworks OSB4, CSB5, CSB6, HT-1000, HT-1100
 	ATI IXP200, IXP300, IXP400, SB600, SB700, SB800
-	AMD Hudson-2
+	AMD Hudson-2, CZ
 	SMSC Victory66
 
    Note: we assume there can only be one device, with one SMBus interface.
@@ -481,6 +481,7 @@
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x790b) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
 		     PCI_DEVICE_ID_SERVERWORKS_OSB4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index df19f3d..d47ca36 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -341,7 +341,11 @@
 	u32 val;
 	int err = 0;
 
-	clk_enable(i2c_dev->clk);
+	err = clk_enable(i2c_dev->clk);
+	if (err < 0) {
+		dev_err(i2c_dev->dev, "Clock enable failed %d\n", err);
+		return err;
+	}
 
 	tegra_periph_reset_assert(i2c_dev->clk);
 	udelay(2);
@@ -543,7 +547,12 @@
 	if (i2c_dev->is_suspended)
 		return -EBUSY;
 
-	clk_enable(i2c_dev->clk);
+	ret = clk_enable(i2c_dev->clk);
+	if (ret < 0) {
+		dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret);
+		return ret;
+	}
+
 	for (i = 0; i < num; i++) {
 		int stop = (i == (num - 1)) ? 1  : 0;
 		ret = tegra_i2c_xfer_msg(i2c_dev, &msgs[i], stop);
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 8d1ebd3..9b09185 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -443,10 +443,8 @@
 
 	if (boot_cpu_has(X86_FEATURE_ARAT))	/* Always Reliable APIC Timer */
 		lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE;
-	else {
+	else
 		on_each_cpu(__setup_broadcast_timer, (void *)true, 1);
-		register_cpu_notifier(&setup_broadcast_notifier);
-	}
 
 	pr_debug(PREFIX "v" INTEL_IDLE_VERSION
 		" model 0x%X\n", boot_cpu_data.x86_model);
@@ -594,8 +592,9 @@
 	intel_idle_cpuidle_driver_init();
 	retval = cpuidle_register_driver(&intel_idle_driver);
 	if (retval) {
+		struct cpuidle_driver *drv = cpuidle_get_driver();
 		printk(KERN_DEBUG PREFIX "intel_idle yielding to %s",
-			cpuidle_get_driver()->name);
+			drv ? drv->name : "none");
 		return retval;
 	}
 
@@ -611,6 +610,9 @@
 		}
 	}
 
+	if (lapic_timer_reliable_states != LAPIC_TIMER_ALWAYS_RELIABLE)
+		register_cpu_notifier(&setup_broadcast_notifier);
+
 	return 0;
 }
 
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index f0d588f..1acb991 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -98,7 +98,7 @@
 
 struct ib_umad_device {
 	int                  start_port, end_port;
-	struct kref          ref;
+	struct kobject       kobj;
 	struct ib_umad_port  port[0];
 };
 
@@ -134,14 +134,18 @@
 static void ib_umad_add_one(struct ib_device *device);
 static void ib_umad_remove_one(struct ib_device *device);
 
-static void ib_umad_release_dev(struct kref *ref)
+static void ib_umad_release_dev(struct kobject *kobj)
 {
 	struct ib_umad_device *dev =
-		container_of(ref, struct ib_umad_device, ref);
+		container_of(kobj, struct ib_umad_device, kobj);
 
 	kfree(dev);
 }
 
+static struct kobj_type ib_umad_dev_ktype = {
+	.release = ib_umad_release_dev,
+};
+
 static int hdr_size(struct ib_umad_file *file)
 {
 	return file->use_pkey_index ? sizeof (struct ib_user_mad_hdr) :
@@ -780,27 +784,19 @@
 {
 	struct ib_umad_port *port;
 	struct ib_umad_file *file;
-	int ret;
+	int ret = -ENXIO;
 
 	port = container_of(inode->i_cdev, struct ib_umad_port, cdev);
-	if (port)
-		kref_get(&port->umad_dev->ref);
-	else
-		return -ENXIO;
 
 	mutex_lock(&port->file_mutex);
 
-	if (!port->ib_dev) {
-		ret = -ENXIO;
+	if (!port->ib_dev)
 		goto out;
-	}
 
+	ret = -ENOMEM;
 	file = kzalloc(sizeof *file, GFP_KERNEL);
-	if (!file) {
-		kref_put(&port->umad_dev->ref, ib_umad_release_dev);
-		ret = -ENOMEM;
+	if (!file)
 		goto out;
-	}
 
 	mutex_init(&file->mutex);
 	spin_lock_init(&file->send_lock);
@@ -814,6 +810,13 @@
 	list_add_tail(&file->port_list, &port->file_list);
 
 	ret = nonseekable_open(inode, filp);
+	if (ret) {
+		list_del(&file->port_list);
+		kfree(file);
+		goto out;
+	}
+
+	kobject_get(&port->umad_dev->kobj);
 
 out:
 	mutex_unlock(&port->file_mutex);
@@ -852,7 +855,7 @@
 	mutex_unlock(&file->port->file_mutex);
 
 	kfree(file);
-	kref_put(&dev->ref, ib_umad_release_dev);
+	kobject_put(&dev->kobj);
 
 	return 0;
 }
@@ -880,10 +883,6 @@
 	int ret;
 
 	port = container_of(inode->i_cdev, struct ib_umad_port, sm_cdev);
-	if (port)
-		kref_get(&port->umad_dev->ref);
-	else
-		return -ENXIO;
 
 	if (filp->f_flags & O_NONBLOCK) {
 		if (down_trylock(&port->sm_sem)) {
@@ -898,17 +897,27 @@
 	}
 
 	ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
-	if (ret) {
-		up(&port->sm_sem);
-		goto fail;
-	}
+	if (ret)
+		goto err_up_sem;
 
 	filp->private_data = port;
 
-	return nonseekable_open(inode, filp);
+	ret = nonseekable_open(inode, filp);
+	if (ret)
+		goto err_clr_sm_cap;
+
+	kobject_get(&port->umad_dev->kobj);
+
+	return 0;
+
+err_clr_sm_cap:
+	swap(props.set_port_cap_mask, props.clr_port_cap_mask);
+	ib_modify_port(port->ib_dev, port->port_num, 0, &props);
+
+err_up_sem:
+	up(&port->sm_sem);
 
 fail:
-	kref_put(&port->umad_dev->ref, ib_umad_release_dev);
 	return ret;
 }
 
@@ -927,7 +936,7 @@
 
 	up(&port->sm_sem);
 
-	kref_put(&port->umad_dev->ref, ib_umad_release_dev);
+	kobject_put(&port->umad_dev->kobj);
 
 	return ret;
 }
@@ -995,6 +1004,7 @@
 }
 
 static int ib_umad_init_port(struct ib_device *device, int port_num,
+			     struct ib_umad_device *umad_dev,
 			     struct ib_umad_port *port)
 {
 	int devnum;
@@ -1027,6 +1037,7 @@
 
 	cdev_init(&port->cdev, &umad_fops);
 	port->cdev.owner = THIS_MODULE;
+	port->cdev.kobj.parent = &umad_dev->kobj;
 	kobject_set_name(&port->cdev.kobj, "umad%d", port->dev_num);
 	if (cdev_add(&port->cdev, base, 1))
 		goto err_cdev;
@@ -1045,6 +1056,7 @@
 	base += IB_UMAD_MAX_PORTS;
 	cdev_init(&port->sm_cdev, &umad_sm_fops);
 	port->sm_cdev.owner = THIS_MODULE;
+	port->sm_cdev.kobj.parent = &umad_dev->kobj;
 	kobject_set_name(&port->sm_cdev.kobj, "issm%d", port->dev_num);
 	if (cdev_add(&port->sm_cdev, base, 1))
 		goto err_sm_cdev;
@@ -1138,7 +1150,7 @@
 	if (!umad_dev)
 		return;
 
-	kref_init(&umad_dev->ref);
+	kobject_init(&umad_dev->kobj, &ib_umad_dev_ktype);
 
 	umad_dev->start_port = s;
 	umad_dev->end_port   = e;
@@ -1146,7 +1158,8 @@
 	for (i = s; i <= e; ++i) {
 		umad_dev->port[i - s].umad_dev = umad_dev;
 
-		if (ib_umad_init_port(device, i, &umad_dev->port[i - s]))
+		if (ib_umad_init_port(device, i, umad_dev,
+				      &umad_dev->port[i - s]))
 			goto err;
 	}
 
@@ -1158,7 +1171,7 @@
 	while (--i >= s)
 		ib_umad_kill_port(&umad_dev->port[i - s]);
 
-	kref_put(&umad_dev->ref, ib_umad_release_dev);
+	kobject_put(&umad_dev->kobj);
 }
 
 static void ib_umad_remove_one(struct ib_device *device)
@@ -1172,7 +1185,7 @@
 	for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i)
 		ib_umad_kill_port(&umad_dev->port[i]);
 
-	kref_put(&umad_dev->ref, ib_umad_release_dev);
+	kobject_put(&umad_dev->kobj);
 }
 
 static char *umad_devnode(struct device *dev, umode_t *mode)
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index d9b0ebc..6eeb84d 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -296,6 +296,7 @@
 			(my_cq->galpas.user.fw_handle & (PAGE_SIZE - 1));
 		if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
 			ehca_err(device, "Copy to udata failed.");
+			cq = ERR_PTR(-EFAULT);
 			goto create_cq_exit4;
 		}
 	}
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 714293b..45802e9 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -326,7 +326,7 @@
 				   size_t count, loff_t *off)
 {
 	u32 __iomem *piobuf;
-	u32 plen, clen, pbufn;
+	u32 plen, pbufn, maxlen_reserve;
 	struct ipath_diag_pkt odp;
 	struct ipath_diag_xpkt dp;
 	u32 *tmpbuf = NULL;
@@ -335,42 +335,24 @@
 	u64 val;
 	u32 l_state, lt_state; /* LinkState, LinkTrainingState */
 
-	if (count < sizeof(odp)) {
-		ret = -EINVAL;
-		goto bail;
-	}
 
 	if (count == sizeof(dp)) {
 		if (copy_from_user(&dp, data, sizeof(dp))) {
 			ret = -EFAULT;
 			goto bail;
 		}
-	} else if (copy_from_user(&odp, data, sizeof(odp))) {
-		ret = -EFAULT;
-		goto bail;
-	}
-
-	/*
-	 * Due to padding/alignment issues (lessened with new struct)
-	 * the old and new structs are the same length. We need to
-	 * disambiguate them, which we can do because odp.len has never
-	 * been less than the total of LRH+BTH+DETH so far, while
-	 * dp.unit (same offset) unit is unlikely to get that high.
-	 * Similarly, dp.data, the pointer to user at the same offset
-	 * as odp.unit, is almost certainly at least one (512byte)page
-	 * "above" NULL. The if-block below can be omitted if compatibility
-	 * between a new driver and older diagnostic code is unimportant.
-	 * compatibility the other direction (new diags, old driver) is
-	 * handled in the diagnostic code, with a warning.
-	 */
-	if (dp.unit >= 20 && dp.data < 512) {
-		/* very probable version mismatch. Fix it up */
-		memcpy(&odp, &dp, sizeof(odp));
-		/* We got a legacy dp, copy elements to dp */
+	} else if (count == sizeof(odp)) {
+		if (copy_from_user(&odp, data, sizeof(odp))) {
+			ret = -EFAULT;
+			goto bail;
+		}
+		dp.len = odp.len;
 		dp.unit = odp.unit;
 		dp.data = odp.data;
-		dp.len = odp.len;
-		dp.pbc_wd = 0; /* Indicate we need to compute PBC wd */
+		dp.pbc_wd = 0;
+	} else {
+		ret = -EINVAL;
+		goto bail;
 	}
 
 	/* send count must be an exact number of dwords */
@@ -379,7 +361,7 @@
 		goto bail;
 	}
 
-	clen = dp.len >> 2;
+	plen = dp.len >> 2;
 
 	dd = ipath_lookup(dp.unit);
 	if (!dd || !(dd->ipath_flags & IPATH_PRESENT) ||
@@ -422,16 +404,22 @@
 		goto bail;
 	}
 
-	/* need total length before first word written */
-	/* +1 word is for the qword padding */
+	/*
+	 * need total length before first word written, plus 2 Dwords. One Dword
+	 * is for padding so we get the full user data when not aligned on
+	 * a word boundary. The other Dword is to make sure we have room for the
+	 * ICRC which gets tacked on later.
+	 */
+	maxlen_reserve = 2 * sizeof(u32);
+	if (dp.len > dd->ipath_ibmaxlen - maxlen_reserve) {
+		ipath_dbg("Pkt len 0x%x > ibmaxlen %x\n",
+			  dp.len, dd->ipath_ibmaxlen);
+		ret = -EINVAL;
+		goto bail;
+	}
+
 	plen = sizeof(u32) + dp.len;
 
-	if ((plen + 4) > dd->ipath_ibmaxlen) {
-		ipath_dbg("Pkt len 0x%x > ibmaxlen %x\n",
-			  plen - 4, dd->ipath_ibmaxlen);
-		ret = -EINVAL;
-		goto bail;	/* before writing pbc */
-	}
 	tmpbuf = vmalloc(plen);
 	if (!tmpbuf) {
 		dev_info(&dd->pcidev->dev, "Unable to allocate tmp buffer, "
@@ -473,11 +461,11 @@
 	 */
 	if (dd->ipath_flags & IPATH_PIO_FLUSH_WC) {
 		ipath_flush_wc();
-		__iowrite32_copy(piobuf + 2, tmpbuf, clen - 1);
+		__iowrite32_copy(piobuf + 2, tmpbuf, plen - 1);
 		ipath_flush_wc();
-		__raw_writel(tmpbuf[clen - 1], piobuf + clen + 1);
+		__raw_writel(tmpbuf[plen - 1], piobuf + plen + 1);
 	} else
-		__iowrite32_copy(piobuf + 2, tmpbuf, clen);
+		__iowrite32_copy(piobuf + 2, tmpbuf, plen);
 
 	ipath_flush_wc();
 
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 5b71d43..42dde06 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -695,6 +695,7 @@
 
 	if (context && ib_copy_to_udata(udata, &cq->cqn, sizeof (__u32))) {
 		mthca_free_cq(to_mdev(ibdev), cq);
+		err = -EFAULT;
 		goto err_free;
 	}
 
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index da84ea3..daf70d3 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1183,7 +1183,7 @@
 					nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
 					kfree(nesqp->allocated_buffer);
 					nes_debug(NES_DBG_QP, "ib_copy_from_udata() Failed \n");
-					return NULL;
+					return ERR_PTR(-EFAULT);
 				}
 				if (req.user_wqe_buffers) {
 					virt_wqs = 1;
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index c4ff788..14f3929 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -1005,7 +1005,7 @@
 
 		event.event = IB_EVENT_PKEY_CHANGE;
 		event.device = &dd->verbs_dev.ibdev;
-		event.element.port_num = 1;
+		event.element.port_num = port;
 		ib_dispatch_event(&event);
 	}
 	return 0;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 922d845..7fa948d 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1371,6 +1371,12 @@
 err_iu:
 	srp_put_tx_iu(target, iu, SRP_IU_CMD);
 
+	/*
+	 * Avoid that the loops that iterate over the request ring can
+	 * encounter a dangling SCSI command pointer.
+	 */
+	req->scmnd = NULL;
+
 	spin_lock_irqsave(&target->lock, flags);
 	list_add(&req->list, &target->free_reqs);
 
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index c34d362..550c9ca 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1078,6 +1078,7 @@
 static int srpt_map_sg_to_ib_sge(struct srpt_rdma_ch *ch,
 				 struct srpt_send_ioctx *ioctx)
 {
+	struct ib_device *dev = ch->sport->sdev->device;
 	struct se_cmd *cmd;
 	struct scatterlist *sg, *sg_orig;
 	int sg_cnt;
@@ -1125,7 +1126,7 @@
 
 	db = ioctx->rbufs;
 	tsize = cmd->data_length;
-	dma_len = sg_dma_len(&sg[0]);
+	dma_len = ib_sg_dma_len(dev, &sg[0]);
 	riu = ioctx->rdma_ius;
 
 	/*
@@ -1156,7 +1157,8 @@
 					++j;
 					if (j < count) {
 						sg = sg_next(sg);
-						dma_len = sg_dma_len(sg);
+						dma_len = ib_sg_dma_len(
+								dev, sg);
 					}
 				}
 			} else {
@@ -1193,8 +1195,8 @@
 	tsize = cmd->data_length;
 	riu = ioctx->rdma_ius;
 	sg = sg_orig;
-	dma_len = sg_dma_len(&sg[0]);
-	dma_addr = sg_dma_address(&sg[0]);
+	dma_len = ib_sg_dma_len(dev, &sg[0]);
+	dma_addr = ib_sg_dma_address(dev, &sg[0]);
 
 	/* this second loop is really mapped sg_addres to rdma_iu->ib_sge */
 	for (i = 0, j = 0;
@@ -1217,8 +1219,10 @@
 					++j;
 					if (j < count) {
 						sg = sg_next(sg);
-						dma_len = sg_dma_len(sg);
-						dma_addr = sg_dma_address(sg);
+						dma_len = ib_sg_dma_len(
+								dev, sg);
+						dma_addr = ib_sg_dma_address(
+								dev, sg);
 					}
 				}
 			} else {
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 4790110..f2c2ffe 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -472,8 +472,15 @@
 	input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
 	input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
 	input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
-	input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
-	input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+
+	/* For clickpads map both buttons to BTN_LEFT */
+	if (etd->fw_version & 0x001000) {
+		input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
+	} else {
+		input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+		input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+	}
+
 	input_report_abs(dev, ABS_PRESSURE, pres);
 	input_report_abs(dev, ABS_TOOL_WIDTH, width);
 
@@ -483,9 +490,17 @@
 static void elantech_input_sync_v4(struct psmouse *psmouse)
 {
 	struct input_dev *dev = psmouse->dev;
+	struct elantech_data *etd = psmouse->private;
 	unsigned char *packet = psmouse->packet;
 
-	input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+	/* For clickpads map both buttons to BTN_LEFT */
+	if (etd->fw_version & 0x001000) {
+		input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
+	} else {
+		input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+		input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
+	}
+
 	input_mt_report_pointer_emulation(dev, true);
 	input_sync(dev);
 }
@@ -954,6 +969,44 @@
 }
 
 /*
+ * Advertise INPUT_PROP_BUTTONPAD for clickpads. The testing of bit 12 in
+ * fw_version for this is based on the following fw_version & caps table:
+ *
+ * Laptop-model:           fw_version:     caps:           buttons:
+ * Acer S3                 0x461f00        10, 13, 0e      clickpad
+ * Acer S7-392             0x581f01        50, 17, 0d      clickpad
+ * Acer V5-131             0x461f02        01, 16, 0c      clickpad
+ * Acer V5-551             0x461f00        ?               clickpad
+ * Asus K53SV              0x450f01        78, 15, 0c      2 hw buttons
+ * Asus G46VW              0x460f02        00, 18, 0c      2 hw buttons
+ * Asus G750JX             0x360f00        00, 16, 0c      2 hw buttons
+ * Asus UX31               0x361f00        20, 15, 0e      clickpad
+ * Asus UX32VD             0x361f02        00, 15, 0e      clickpad
+ * Avatar AVIU-145A2       0x361f00        ?               clickpad
+ * Gigabyte U2442          0x450f01        58, 17, 0c      2 hw buttons
+ * Lenovo L430             0x350f02        b9, 15, 0c      2 hw buttons (*)
+ * Samsung NF210           0x150b00        78, 14, 0a      2 hw buttons
+ * Samsung NP770Z5E        0x575f01        10, 15, 0f      clickpad
+ * Samsung NP700Z5B        0x361f06        21, 15, 0f      clickpad
+ * Samsung NP900X3E-A02    0x575f03        ?               clickpad
+ * Samsung NP-QX410        0x851b00        19, 14, 0c      clickpad
+ * Samsung RC512           0x450f00        08, 15, 0c      2 hw buttons
+ * Samsung RF710           0x450f00        ?               2 hw buttons
+ * System76 Pangolin       0x250f01        ?               2 hw buttons
+ * (*) + 3 trackpoint buttons
+ */
+static void elantech_set_buttonpad_prop(struct psmouse *psmouse)
+{
+	struct input_dev *dev = psmouse->dev;
+	struct elantech_data *etd = psmouse->private;
+
+	if (etd->fw_version & 0x001000) {
+		__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
+		__clear_bit(BTN_RIGHT, dev->keybit);
+	}
+}
+
+/*
  * Set the appropriate event bits for the input subsystem
  */
 static int elantech_set_input_params(struct psmouse *psmouse)
@@ -996,6 +1049,8 @@
 		__set_bit(INPUT_PROP_SEMI_MT, dev->propbit);
 		/* fall through */
 	case 3:
+		if (etd->hw_version == 3)
+			elantech_set_buttonpad_prop(psmouse);
 		input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
 		input_set_abs_params(dev, ABS_Y, y_min, y_max, 0, 0);
 		if (etd->reports_pressure) {
@@ -1017,9 +1072,7 @@
 			 */
 			psmouse_warn(psmouse, "couldn't query resolution data.\n");
 		}
-		/* v4 is clickpad, with only one button. */
-		__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
-		__clear_bit(BTN_RIGHT, dev->keybit);
+		elantech_set_buttonpad_prop(psmouse);
 		__set_bit(BTN_TOOL_QUADTAP, dev->keybit);
 		/* For X to recognize me as touchpad. */
 		input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
@@ -1165,6 +1218,13 @@
 	if (param[1] == 0)
 		return true;
 
+	/*
+	 * Some models have a revision higher then 20. Meaning param[2] may
+	 * be 10 or 20, skip the rates check for these.
+	 */
+	if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40)
+		return true;
+
 	for (i = 0; i < ARRAY_SIZE(rates); i++)
 		if (param[2] == rates[i])
 			return false;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index e2c2e1e..32b1363 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -53,14 +53,19 @@
 #define ABS_POS_BITS 13
 
 /*
- * Any position values from the hardware above the following limits are
- * treated as "wrapped around negative" values that have been truncated to
- * the 13-bit reporting range of the hardware. These are just reasonable
- * guesses and can be adjusted if hardware is found that operates outside
- * of these parameters.
+ * These values should represent the absolute maximum value that will
+ * be reported for a positive position value. Some Synaptics firmware
+ * uses this value to indicate a finger near the edge of the touchpad
+ * whose precise position cannot be determined.
+ *
+ * At least one touchpad is known to report positions in excess of this
+ * value which are actually negative values truncated to the 13-bit
+ * reporting range. These values have never been observed to be lower
+ * than 8184 (i.e. -8), so we treat all values greater than 8176 as
+ * negative and any other value as positive.
  */
-#define X_MAX_POSITIVE (((1 << ABS_POS_BITS) + XMAX) / 2)
-#define Y_MAX_POSITIVE (((1 << ABS_POS_BITS) + YMAX) / 2)
+#define X_MAX_POSITIVE 8176
+#define Y_MAX_POSITIVE 8176
 
 /*
  * Synaptics touchpads report the y coordinate from bottom to top, which is
@@ -232,11 +237,22 @@
  * Read touchpad resolution and maximum reported coordinates
  * Resolution is left zero if touchpad does not support the query
  */
+
+static const int *quirk_min_max;
+
 static int synaptics_resolution(struct psmouse *psmouse)
 {
 	struct synaptics_data *priv = psmouse->private;
 	unsigned char resp[3];
 
+	if (quirk_min_max) {
+		priv->x_min = quirk_min_max[0];
+		priv->x_max = quirk_min_max[1];
+		priv->y_min = quirk_min_max[2];
+		priv->y_max = quirk_min_max[3];
+		return 0;
+	}
+
 	if (SYN_ID_MAJOR(priv->identity) < 4)
 		return 0;
 
@@ -501,10 +517,61 @@
 			 ((buf[0] & 0x04) >> 1) |
 			 ((buf[3] & 0x04) >> 2));
 
+		if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
+			SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) &&
+		    hw->w == 2) {
+			synaptics_parse_agm(buf, priv, hw);
+			return 1;
+		}
+
+		hw->x = (((buf[3] & 0x10) << 8) |
+			 ((buf[1] & 0x0f) << 8) |
+			 buf[4]);
+		hw->y = (((buf[3] & 0x20) << 7) |
+			 ((buf[1] & 0xf0) << 4) |
+			 buf[5]);
+		hw->z = buf[2];
+
 		hw->left  = (buf[0] & 0x01) ? 1 : 0;
 		hw->right = (buf[0] & 0x02) ? 1 : 0;
 
-		if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
+		if (SYN_CAP_FORCEPAD(priv->ext_cap_0c)) {
+			/*
+			 * ForcePads, like Clickpads, use middle button
+			 * bits to report primary button clicks.
+			 * Unfortunately they report primary button not
+			 * only when user presses on the pad above certain
+			 * threshold, but also when there are more than one
+			 * finger on the touchpad, which interferes with
+			 * out multi-finger gestures.
+			 */
+			if (hw->z == 0) {
+				/* No contacts */
+				priv->press = priv->report_press = false;
+			} else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) {
+				/*
+				 * Single-finger touch with pressure above
+				 * the threshold. If pressure stays long
+				 * enough, we'll start reporting primary
+				 * button. We rely on the device continuing
+				 * sending data even if finger does not
+				 * move.
+				 */
+				if  (!priv->press) {
+					priv->press_start = jiffies;
+					priv->press = true;
+				} else if (time_after(jiffies,
+						priv->press_start +
+							msecs_to_jiffies(50))) {
+					priv->report_press = true;
+				}
+			} else {
+				priv->press = false;
+			}
+
+			hw->left = priv->report_press;
+
+		} else if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
 			/*
 			 * Clickpad's button is transmitted as middle button,
 			 * however, since it is primary button, we will report
@@ -523,21 +590,6 @@
 			hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
 		}
 
-		if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
-			SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) &&
-		    hw->w == 2) {
-			synaptics_parse_agm(buf, priv, hw);
-			return 1;
-		}
-
-		hw->x = (((buf[3] & 0x10) << 8) |
-			 ((buf[1] & 0x0f) << 8) |
-			 buf[4]);
-		hw->y = (((buf[3] & 0x20) << 7) |
-			 ((buf[1] & 0xf0) << 4) |
-			 buf[5]);
-		hw->z = buf[2];
-
 		if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) &&
 		    ((buf[0] ^ buf[3]) & 0x02)) {
 			switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) {
@@ -572,11 +624,21 @@
 		hw->right = (buf[0] & 0x02) ? 1 : 0;
 	}
 
-	/* Convert wrap-around values to negative */
+	/*
+	 * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE
+	 * is used by some firmware to indicate a finger at the edge of
+	 * the touchpad whose precise position cannot be determined, so
+	 * convert these values to the maximum axis value.
+	 */
 	if (hw->x > X_MAX_POSITIVE)
 		hw->x -= 1 << ABS_POS_BITS;
+	else if (hw->x == X_MAX_POSITIVE)
+		hw->x = XMAX;
+
 	if (hw->y > Y_MAX_POSITIVE)
 		hw->y -= 1 << ABS_POS_BITS;
+	else if (hw->y == Y_MAX_POSITIVE)
+		hw->y = YMAX;
 
 	return 0;
 }
@@ -1412,10 +1474,54 @@
 	{ }
 };
 
+static const struct dmi_system_id min_max_dmi_table[] __initconst = {
+#if defined(CONFIG_DMI)
+	{
+		/* Lenovo ThinkPad Helix */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix"),
+		},
+		.driver_data = (int []){1024, 5052, 2258, 4832},
+	},
+	{
+		/* Lenovo ThinkPad X240 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X240"),
+		},
+		.driver_data = (int []){1232, 5710, 1156, 4696},
+	},
+	{
+		/* Lenovo ThinkPad T440s */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T440"),
+		},
+		.driver_data = (int []){1024, 5112, 2024, 4832},
+	},
+	{
+		/* Lenovo ThinkPad T540p */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T540"),
+		},
+		.driver_data = (int []){1024, 5056, 2058, 4832},
+	},
+#endif
+	{ }
+};
+
 void __init synaptics_module_init(void)
 {
+	const struct dmi_system_id *min_max_dmi;
+
 	impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table);
 	broken_olpc_ec = dmi_check_system(olpc_dmi_table);
+
+	min_max_dmi = dmi_first_match(min_max_dmi_table);
+	if (min_max_dmi)
+		quirk_min_max = min_max_dmi->driver_data;
 }
 
 static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index fd26ccc..ac1b773 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -77,6 +77,11 @@
  * 2	0x08	image sensor		image sensor tracks 5 fingers, but only
  *					reports 2.
  * 2	0x20	report min		query 0x0f gives min coord reported
+ * 2	0x80	forcepad		forcepad is a variant of clickpad that
+ *					does not have physical buttons but rather
+ *					uses pressure above certain threshold to
+ *					report primary clicks. Forcepads also have
+ *					clickpad bit set.
  */
 #define SYN_CAP_CLICKPAD(ex0c)		((ex0c) & 0x100000) /* 1-button ClickPad */
 #define SYN_CAP_CLICKPAD2BTN(ex0c)	((ex0c) & 0x000100) /* 2-button ClickPad */
@@ -85,6 +90,7 @@
 #define SYN_CAP_ADV_GESTURE(ex0c)	((ex0c) & 0x080000)
 #define SYN_CAP_REDUCED_FILTERING(ex0c)	((ex0c) & 0x000400)
 #define SYN_CAP_IMAGE_SENSOR(ex0c)	((ex0c) & 0x000800)
+#define SYN_CAP_FORCEPAD(ex0c)		((ex0c) & 0x008000)
 
 /* synaptics modes query bits */
 #define SYN_MODE_ABSOLUTE(m)		((m) & (1 << 7))
@@ -174,6 +180,11 @@
 	 */
 	struct synaptics_hw_state agm;
 	bool agm_pending;			/* new AGM packet received */
+
+	/* ForcePad handling */
+	unsigned long				press_start;
+	bool					press;
+	bool					report_press;
 };
 
 void synaptics_module_init(void);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 0ec9abb..1291673 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -458,6 +458,13 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 		},
 	},
+	{
+		/* Avatar AVIU-145A6 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
+		},
+	},
 	{ }
 };
 
@@ -601,6 +608,14 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 		},
 	},
+	{
+		/* Fujitsu U574 laptop */
+		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 8755f5f..e4ecf3b 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/serio.h>
 #include <linux/tty.h>
+#include <linux/compat.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Input device TTY line discipline");
@@ -196,29 +197,56 @@
 	return 0;
 }
 
+static void serport_set_type(struct tty_struct *tty, unsigned long type)
+{
+	struct serport *serport = tty->disc_data;
+
+	serport->id.proto = type & 0x000000ff;
+	serport->id.id    = (type & 0x0000ff00) >> 8;
+	serport->id.extra = (type & 0x00ff0000) >> 16;
+}
+
 /*
  * serport_ldisc_ioctl() allows to set the port protocol, and device ID
  */
 
-static int serport_ldisc_ioctl(struct tty_struct * tty, struct file * file, unsigned int cmd, unsigned long arg)
+static int serport_ldisc_ioctl(struct tty_struct *tty, struct file *file,
+			       unsigned int cmd, unsigned long arg)
 {
-	struct serport *serport = (struct serport*) tty->disc_data;
-	unsigned long type;
-
 	if (cmd == SPIOCSTYPE) {
+		unsigned long type;
+
 		if (get_user(type, (unsigned long __user *) arg))
 			return -EFAULT;
 
-		serport->id.proto = type & 0x000000ff;
-		serport->id.id	  = (type & 0x0000ff00) >> 8;
-		serport->id.extra = (type & 0x00ff0000) >> 16;
-
+		serport_set_type(tty, type);
 		return 0;
 	}
 
 	return -EINVAL;
 }
 
+#ifdef CONFIG_COMPAT
+#define COMPAT_SPIOCSTYPE	_IOW('q', 0x01, compat_ulong_t)
+static long serport_ldisc_compat_ioctl(struct tty_struct *tty,
+				       struct file *file,
+				       unsigned int cmd, unsigned long arg)
+{
+	if (cmd == COMPAT_SPIOCSTYPE) {
+		void __user *uarg = compat_ptr(arg);
+		compat_ulong_t compat_type;
+
+		if (get_user(compat_type, (compat_ulong_t __user *)uarg))
+			return -EFAULT;
+
+		serport_set_type(tty, compat_type);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+#endif
+
 static void serport_ldisc_write_wakeup(struct tty_struct * tty)
 {
 	struct serport *serport = (struct serport *) tty->disc_data;
@@ -241,6 +269,9 @@
 	.close =	serport_ldisc_close,
 	.read =		serport_ldisc_read,
 	.ioctl =	serport_ldisc_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl =	serport_ldisc_compat_ioctl,
+#endif
 	.receive_buf =	serport_ldisc_receive,
 	.write_wakeup =	serport_ldisc_write_wakeup
 };
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index c0536ed..a55353c3 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3028,14 +3028,16 @@
 
 static void cleanup_domain(struct protection_domain *domain)
 {
-	struct iommu_dev_data *dev_data, *next;
+	struct iommu_dev_data *entry;
 	unsigned long flags;
 
 	write_lock_irqsave(&amd_iommu_devtable_lock, flags);
 
-	list_for_each_entry_safe(dev_data, next, &domain->dev_list, list) {
-		__detach_device(dev_data);
-		atomic_set(&dev_data->bind, 0);
+	while (!list_empty(&domain->dev_list)) {
+		entry = list_first_entry(&domain->dev_list,
+					 struct iommu_dev_data, list);
+		__detach_device(entry);
+		atomic_set(&entry->bind, 0);
 	}
 
 	write_unlock_irqrestore(&amd_iommu_devtable_lock, flags);
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 97b2e21..cf065df 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -582,7 +582,7 @@
 {
 	struct intel_iommu *iommu;
 	int map_size;
-	u32 ver;
+	u32 ver, sts;
 	static int iommu_allocated = 0;
 	int agaw = 0;
 	int msagaw = 0;
@@ -652,6 +652,15 @@
 		(unsigned long long)iommu->cap,
 		(unsigned long long)iommu->ecap);
 
+	/* Reflect status in gcmd */
+	sts = readl(iommu->reg + DMAR_GSTS_REG);
+	if (sts & DMA_GSTS_IRES)
+		iommu->gcmd |= DMA_GCMD_IRE;
+	if (sts & DMA_GSTS_TES)
+		iommu->gcmd |= DMA_GCMD_TE;
+	if (sts & DMA_GSTS_QIES)
+		iommu->gcmd |= DMA_GCMD_QIE;
+
 	raw_spin_lock_init(&iommu->register_lock);
 
 	drhd->iommu = iommu;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 4e1c6bf..dd255c5 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3659,6 +3659,7 @@
 int __init intel_iommu_init(void)
 {
 	int ret = 0;
+	struct dmar_drhd_unit *drhd;
 
 	/* VT-d is required for a TXT/tboot launch, so enforce that */
 	force_on = tboot_force_iommu();
@@ -3669,6 +3670,20 @@
 		return 	-ENODEV;
 	}
 
+	/*
+	 * Disable translation if already enabled prior to OS handover.
+	 */
+	for_each_drhd_unit(drhd) {
+		struct intel_iommu *iommu;
+
+		if (drhd->ignored)
+			continue;
+
+		iommu = drhd->iommu;
+		if (iommu->gcmd & DMA_GCMD_TE)
+			iommu_disable_translation(iommu);
+	}
+
 	if (dmar_dev_scope_init() < 0) {
 		if (force_on)
 			panic("tboot: Failed to initialize DMAR device scope\n");
diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c
index 02125e6..5a4da94 100644
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ b/drivers/isdn/isdnloop/isdnloop.c
@@ -518,9 +518,9 @@
 static void
 isdnloop_fake_err(isdnloop_card *card)
 {
-	char buf[60];
+	char buf[64];
 
-	sprintf(buf, "E%s", card->omsg);
+	snprintf(buf, sizeof(buf), "E%s", card->omsg);
 	isdnloop_fake(card, buf, -1);
 	isdnloop_fake(card, "NAK", -1);
 }
@@ -903,6 +903,8 @@
 	case 7:
 		/* 0x;EAZ */
 		p += 3;
+		if (strlen(p) >= sizeof(card->eazlist[0]))
+			break;
 		strcpy(card->eazlist[ch - 1], p);
 		break;
 	case 8:
@@ -1070,6 +1072,12 @@
 		return -EBUSY;
 	if (copy_from_user((char *) &sdef, (char *) sdefp, sizeof(sdef)))
 		return -EFAULT;
+
+	for (i = 0; i < 3; i++) {
+		if (!memchr(sdef.num[i], 0, sizeof(sdef.num[i])))
+			return -EINVAL;
+	}
+
 	spin_lock_irqsave(&card->isdnloop_lock, flags);
 	switch (sdef.ptype) {
 	case ISDN_PTYPE_EURO:
@@ -1127,7 +1135,7 @@
 {
 	ulong a;
 	int i;
-	char cbuf[60];
+	char cbuf[80];
 	isdn_ctrl cmd;
 	isdnloop_cdef cdef;
 
@@ -1192,7 +1200,6 @@
 			break;
 		if ((c->arg & 255) < ISDNLOOP_BCH) {
 			char *p;
-			char dial[50];
 			char dcode[4];
 
 			a = c->arg;
@@ -1204,10 +1211,10 @@
 			} else
 				/* Normal Dial */
 				strcpy(dcode, "CAL");
-			strcpy(dial, p);
-			sprintf(cbuf, "%02d;D%s_R%s,%02d,%02d,%s\n", (int) (a + 1),
-				dcode, dial, c->parm.setup.si1,
-				c->parm.setup.si2, c->parm.setup.eazmsn);
+			snprintf(cbuf, sizeof(cbuf),
+				 "%02d;D%s_R%s,%02d,%02d,%s\n", (int) (a + 1),
+				 dcode, p, c->parm.setup.si1,
+				 c->parm.setup.si2, c->parm.setup.eazmsn);
 			i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
 		}
 		break;
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 4c260dc..6f99500 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -321,6 +321,9 @@
 static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
 			       enum data_mode *data_mode)
 {
+	unsigned noio_flag;
+	void *ptr;
+
 	if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) {
 		*data_mode = DATA_MODE_SLAB;
 		return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask);
@@ -334,7 +337,28 @@
 	}
 
 	*data_mode = DATA_MODE_VMALLOC;
-	return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+
+	/*
+	 * __vmalloc allocates the data pages and auxiliary structures with
+	 * gfp_flags that were specified, but pagetables are always allocated
+	 * with GFP_KERNEL, no matter what was specified as gfp_mask.
+	 *
+	 * Consequently, we must set per-process flag PF_MEMALLOC_NOIO so that
+	 * all allocations done by this process (including pagetables) are done
+	 * as if GFP_NOIO was specified.
+	 */
+
+	if (gfp_mask & __GFP_NORETRY) {
+		noio_flag = current->flags & PF_MEMALLOC;
+		current->flags |= PF_MEMALLOC;
+	}
+
+	ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+
+	if (gfp_mask & __GFP_NORETRY)
+		current->flags = (current->flags & ~PF_MEMALLOC) | noio_flag;
+
+	return ptr;
 }
 
 /*
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index ff80296..8ec8c09 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1524,6 +1524,7 @@
 	unsigned int key_size, opt_params;
 	unsigned long long tmpll;
 	int ret;
+	size_t iv_size_padding;
 	struct dm_arg_set as;
 	const char *opt_string;
 	char dummy;
@@ -1560,12 +1561,23 @@
 
 	cc->dmreq_start = sizeof(struct ablkcipher_request);
 	cc->dmreq_start += crypto_ablkcipher_reqsize(any_tfm(cc));
-	cc->dmreq_start = ALIGN(cc->dmreq_start, crypto_tfm_ctx_alignment());
-	cc->dmreq_start += crypto_ablkcipher_alignmask(any_tfm(cc)) &
-			   ~(crypto_tfm_ctx_alignment() - 1);
+	cc->dmreq_start = ALIGN(cc->dmreq_start, __alignof__(struct dm_crypt_request));
+
+	if (crypto_ablkcipher_alignmask(any_tfm(cc)) < CRYPTO_MINALIGN) {
+		/* Allocate the padding exactly */
+		iv_size_padding = -(cc->dmreq_start + sizeof(struct dm_crypt_request))
+				& crypto_ablkcipher_alignmask(any_tfm(cc));
+	} else {
+		/*
+		 * If the cipher requires greater alignment than kmalloc
+		 * alignment, we don't know the exact position of the
+		 * initialization vector. We must assume worst case.
+		 */
+		iv_size_padding = crypto_ablkcipher_alignmask(any_tfm(cc));
+	}
 
 	cc->req_pool = mempool_create_kmalloc_pool(MIN_IOS, cc->dmreq_start +
-			sizeof(struct dm_crypt_request) + cc->iv_size);
+			sizeof(struct dm_crypt_request) + iv_size_padding + cc->iv_size);
 	if (!cc->req_pool) {
 		ti->error = "Cannot allocate crypt request mempool";
 		goto bad;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index a7629f1..ab54aa5 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -84,6 +84,7 @@
 	unsigned queue_io;		/* Must we queue all I/O? */
 	unsigned queue_if_no_path;	/* Queue I/O if last path fails? */
 	unsigned saved_queue_if_no_path;/* Saved state during suspension */
+	unsigned pg_init_disabled:1;	/* pg_init is not currently allowed */
 	unsigned pg_init_retries;	/* Number of times to retry pg_init */
 	unsigned pg_init_count;		/* Number of times pg_init called */
 	unsigned pg_init_delay_msecs;	/* Number of msecs before pg_init retry */
@@ -493,7 +494,8 @@
 	    (!pgpath && !m->queue_if_no_path))
 		must_queue = 0;
 
-	if (m->pg_init_required && !m->pg_init_in_progress && pgpath)
+	if (m->pg_init_required && !m->pg_init_in_progress && pgpath &&
+	    !m->pg_init_disabled)
 		__pg_init_all_paths(m);
 
 out:
@@ -912,10 +914,20 @@
 
 static void flush_multipath_work(struct multipath *m)
 {
+	unsigned long flags;
+
+	spin_lock_irqsave(&m->lock, flags);
+	m->pg_init_disabled = 1;
+	spin_unlock_irqrestore(&m->lock, flags);
+
 	flush_workqueue(kmpath_handlerd);
 	multipath_wait_for_pg_init_completion(m);
 	flush_workqueue(kmultipathd);
 	flush_work_sync(&m->trigger_event);
+
+	spin_lock_irqsave(&m->lock, flags);
+	m->pg_init_disabled = 0;
+	spin_unlock_irqrestore(&m->lock, flags);
 }
 
 static void multipath_dtr(struct dm_target *ti)
@@ -1134,7 +1146,7 @@
 
 	spin_lock_irqsave(&m->lock, flags);
 
-	if (m->pg_init_count <= m->pg_init_retries)
+	if (m->pg_init_count <= m->pg_init_retries && !m->pg_init_disabled)
 		m->pg_init_required = 1;
 	else
 		limit_reached = 1;
@@ -1546,8 +1558,11 @@
 	/*
 	 * Only pass ioctls through if the device sizes match exactly.
 	 */
-	if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT)
-		r = scsi_verify_blk_ioctl(NULL, cmd);
+	if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) {
+		int err = scsi_verify_blk_ioctl(NULL, cmd);
+		if (err)
+			r = err;
+	}
 
 	return r ? : __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 }
@@ -1646,7 +1661,7 @@
  *---------------------------------------------------------------*/
 static struct target_type multipath_target = {
 	.name = "multipath",
-	.version = {1, 3, 0},
+	.version = {1, 3, 2},
 	.module = THIS_MODULE,
 	.ctr = multipath_ctr,
 	.dtr = multipath_dtr,
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index db77ac6..b092338 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -66,6 +66,18 @@
 
 	atomic_t pending_exceptions_count;
 
+	/* Protected by "lock" */
+	sector_t exception_start_sequence;
+
+	/* Protected by kcopyd single-threaded callback */
+	sector_t exception_complete_sequence;
+
+	/*
+	 * A list of pending exceptions that completed out of order.
+	 * Protected by kcopyd single-threaded callback.
+	 */
+	struct list_head out_of_order_list;
+
 	mempool_t *pending_pool;
 
 	struct dm_exception_table pending;
@@ -171,6 +183,14 @@
 	 */
 	int started;
 
+	/* There was copying error. */
+	int copy_error;
+
+	/* A sequence number, it is used for in-order completion. */
+	sector_t exception_sequence;
+
+	struct list_head out_of_order_entry;
+
 	/*
 	 * For writing a complete chunk, bypassing the copy.
 	 */
@@ -1090,6 +1110,9 @@
 	s->valid = 1;
 	s->active = 0;
 	atomic_set(&s->pending_exceptions_count, 0);
+	s->exception_start_sequence = 0;
+	s->exception_complete_sequence = 0;
+	INIT_LIST_HEAD(&s->out_of_order_list);
 	init_rwsem(&s->lock);
 	INIT_LIST_HEAD(&s->list);
 	spin_lock_init(&s->pe_lock);
@@ -1448,6 +1471,19 @@
 	pending_complete(pe, success);
 }
 
+static void complete_exception(struct dm_snap_pending_exception *pe)
+{
+	struct dm_snapshot *s = pe->snap;
+
+	if (unlikely(pe->copy_error))
+		pending_complete(pe, 0);
+
+	else
+		/* Update the metadata if we are persistent */
+		s->store->type->commit_exception(s->store, &pe->e,
+						 commit_callback, pe);
+}
+
 /*
  * Called when the copy I/O has finished.  kcopyd actually runs
  * this code so don't block.
@@ -1457,13 +1493,32 @@
 	struct dm_snap_pending_exception *pe = context;
 	struct dm_snapshot *s = pe->snap;
 
-	if (read_err || write_err)
-		pending_complete(pe, 0);
+	pe->copy_error = read_err || write_err;
 
-	else
-		/* Update the metadata if we are persistent */
-		s->store->type->commit_exception(s->store, &pe->e,
-						 commit_callback, pe);
+	if (pe->exception_sequence == s->exception_complete_sequence) {
+		s->exception_complete_sequence++;
+		complete_exception(pe);
+
+		while (!list_empty(&s->out_of_order_list)) {
+			pe = list_entry(s->out_of_order_list.next,
+					struct dm_snap_pending_exception, out_of_order_entry);
+			if (pe->exception_sequence != s->exception_complete_sequence)
+				break;
+			s->exception_complete_sequence++;
+			list_del(&pe->out_of_order_entry);
+			complete_exception(pe);
+		}
+	} else {
+		struct list_head *lh;
+		struct dm_snap_pending_exception *pe2;
+
+		list_for_each_prev(lh, &s->out_of_order_list) {
+			pe2 = list_entry(lh, struct dm_snap_pending_exception, out_of_order_entry);
+			if (pe2->exception_sequence < pe->exception_sequence)
+				break;
+		}
+		list_add(&pe->out_of_order_entry, lh);
+	}
 }
 
 /*
@@ -1558,6 +1613,8 @@
 		return NULL;
 	}
 
+	pe->exception_sequence = s->exception_start_sequence++;
+
 	dm_insert_exception(&s->pending, &pe->e);
 
 	return pe;
@@ -2200,7 +2257,7 @@
 
 static struct target_type snapshot_target = {
 	.name    = "snapshot",
-	.version = {1, 10, 0},
+	.version = {1, 10, 2},
 	.module  = THIS_MODULE,
 	.ctr     = snapshot_ctr,
 	.dtr     = snapshot_dtr,
@@ -2323,3 +2380,5 @@
 MODULE_DESCRIPTION(DM_NAME " snapshot target");
 MODULE_AUTHOR("Joe Thornber");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("dm-snapshot-origin");
+MODULE_ALIAS("dm-snapshot-merge");
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index c540dff..e811e44 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1446,9 +1446,9 @@
 		 */
 		if (ensure_next_mapping(pool)) {
 			spin_lock_irqsave(&pool->lock, flags);
+			bio_list_add(&pool->deferred_bios, bio);
 			bio_list_merge(&pool->deferred_bios, &bios);
 			spin_unlock_irqrestore(&pool->lock, flags);
-
 			break;
 		}
 
@@ -2472,7 +2472,7 @@
 	.name = "thin-pool",
 	.features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
 		    DM_TARGET_IMMUTABLE,
-	.version = {1, 1, 0},
+	.version = {1, 1, 1},
 	.module = THIS_MODULE,
 	.ctr = pool_ctr,
 	.dtr = pool_dtr,
@@ -2752,7 +2752,7 @@
 
 static struct target_type thin_target = {
 	.name = "thin",
-	.version = {1, 1, 0},
+	.version = {1, 1, 1},
 	.module	= THIS_MODULE,
 	.ctr = thin_ctr,
 	.dtr = thin_dtr,
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e63ca86..17e2f52 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7071,8 +7071,10 @@
 	/* just incase thread restarts... */
 	if (test_bit(MD_RECOVERY_DONE, &mddev->recovery))
 		return;
-	if (mddev->ro) /* never try to sync a read-only array */
+	if (mddev->ro) {/* never try to sync a read-only array */
+		set_bit(MD_RECOVERY_INTR, &mddev->recovery);
 		return;
+	}
 
 	if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) {
 		if (test_bit(MD_RECOVERY_CHECK, &mddev->recovery))
@@ -7178,6 +7180,19 @@
 			    rdev->recovery_offset < j)
 				j = rdev->recovery_offset;
 		rcu_read_unlock();
+
+		/* If there is a bitmap, we need to make sure all
+		 * writes that started before we added a spare
+		 * complete before we start doing a recovery.
+		 * Otherwise the write might complete and (via
+		 * bitmap_endwrite) set a bit in the bitmap after the
+		 * recovery has checked that bit and skipped that
+		 * region.
+		 */
+		if (mddev->bitmap) {
+			mddev->pers->quiesce(mddev, 1);
+			mddev->pers->quiesce(mddev, 0);
+		}
 	}
 
 	printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev));
@@ -8167,7 +8182,8 @@
 		if (mddev_trylock(mddev)) {
 			if (mddev->pers)
 				__md_stop_writes(mddev);
-			mddev->safemode = 2;
+			if (mddev->persistent)
+				mddev->safemode = 2;
 			mddev_unlock(mddev);
 		}
 		need_delay = 1;
diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
index c4f2813..b88757c 100644
--- a/drivers/md/persistent-data/dm-btree-remove.c
+++ b/drivers/md/persistent-data/dm-btree-remove.c
@@ -139,15 +139,8 @@
 	struct btree_node *n;
 };
 
-static struct dm_btree_value_type le64_type = {
-	.context = NULL,
-	.size = sizeof(__le64),
-	.inc = NULL,
-	.dec = NULL,
-	.equal = NULL
-};
-
-static int init_child(struct dm_btree_info *info, struct btree_node *parent,
+static int init_child(struct dm_btree_info *info, struct dm_btree_value_type *vt,
+		      struct btree_node *parent,
 		      unsigned index, struct child *result)
 {
 	int r, inc;
@@ -164,7 +157,7 @@
 	result->n = dm_block_data(result->block);
 
 	if (inc)
-		inc_children(info->tm, result->n, &le64_type);
+		inc_children(info->tm, result->n, vt);
 
 	*((__le64 *) value_ptr(parent, index)) =
 		cpu_to_le64(dm_block_location(result->block));
@@ -236,7 +229,7 @@
 }
 
 static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info,
-		      unsigned left_index)
+		      struct dm_btree_value_type *vt, unsigned left_index)
 {
 	int r;
 	struct btree_node *parent;
@@ -244,11 +237,11 @@
 
 	parent = dm_block_data(shadow_current(s));
 
-	r = init_child(info, parent, left_index, &left);
+	r = init_child(info, vt, parent, left_index, &left);
 	if (r)
 		return r;
 
-	r = init_child(info, parent, left_index + 1, &right);
+	r = init_child(info, vt, parent, left_index + 1, &right);
 	if (r) {
 		exit_child(info, &left);
 		return r;
@@ -368,7 +361,7 @@
 }
 
 static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info,
-		      unsigned left_index)
+		      struct dm_btree_value_type *vt, unsigned left_index)
 {
 	int r;
 	struct btree_node *parent = dm_block_data(shadow_current(s));
@@ -377,17 +370,17 @@
 	/*
 	 * FIXME: fill out an array?
 	 */
-	r = init_child(info, parent, left_index, &left);
+	r = init_child(info, vt, parent, left_index, &left);
 	if (r)
 		return r;
 
-	r = init_child(info, parent, left_index + 1, &center);
+	r = init_child(info, vt, parent, left_index + 1, &center);
 	if (r) {
 		exit_child(info, &left);
 		return r;
 	}
 
-	r = init_child(info, parent, left_index + 2, &right);
+	r = init_child(info, vt, parent, left_index + 2, &right);
 	if (r) {
 		exit_child(info, &left);
 		exit_child(info, &center);
@@ -434,7 +427,8 @@
 }
 
 static int rebalance_children(struct shadow_spine *s,
-			      struct dm_btree_info *info, uint64_t key)
+			      struct dm_btree_info *info,
+			      struct dm_btree_value_type *vt, uint64_t key)
 {
 	int i, r, has_left_sibling, has_right_sibling;
 	uint32_t child_entries;
@@ -472,13 +466,13 @@
 	has_right_sibling = i < (le32_to_cpu(n->header.nr_entries) - 1);
 
 	if (!has_left_sibling)
-		r = rebalance2(s, info, i);
+		r = rebalance2(s, info, vt, i);
 
 	else if (!has_right_sibling)
-		r = rebalance2(s, info, i - 1);
+		r = rebalance2(s, info, vt, i - 1);
 
 	else
-		r = rebalance3(s, info, i - 1);
+		r = rebalance3(s, info, vt, i - 1);
 
 	return r;
 }
@@ -529,7 +523,7 @@
 		if (le32_to_cpu(n->header.flags) & LEAF_NODE)
 			return do_leaf(n, key, index);
 
-		r = rebalance_children(s, info, key);
+		r = rebalance_children(s, info, vt, key);
 		if (r)
 			break;
 
@@ -550,6 +544,14 @@
 	return r;
 }
 
+static struct dm_btree_value_type le64_type = {
+	.context = NULL,
+	.size = sizeof(__le64),
+	.inc = NULL,
+	.dec = NULL,
+	.equal = NULL
+};
+
 int dm_btree_remove(struct dm_btree_info *info, dm_block_t root,
 		    uint64_t *keys, dm_block_t *new_root)
 {
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 67a8393..149426c 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1419,14 +1419,16 @@
 	do {
 		int n = conf->copies;
 		int cnt = 0;
+		int this = first;
 		while (n--) {
-			if (conf->mirrors[first].rdev &&
-			    first != ignore)
+			if (conf->mirrors[this].rdev &&
+			    this != ignore)
 				cnt++;
-			first = (first+1) % conf->raid_disks;
+			this = (this+1) % conf->raid_disks;
 		}
 		if (cnt == 0)
 			return 0;
+		first = (first + conf->near_copies) % conf->raid_disks;
 	} while (first != 0);
 	return 1;
 }
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 17b918d..c276ad0 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3433,6 +3433,8 @@
 				set_bit(R5_Wantwrite, &dev->flags);
 				if (prexor)
 					continue;
+				if (s.failed > 1)
+					continue;
 				if (!test_bit(R5_Insync, &dev->flags) ||
 				    ((i == sh->pd_idx || i == sh->qd_idx)  &&
 				     s.failed == 0))
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 4f39838..4795a18 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -90,6 +90,7 @@
 	struct media_entity *ent;
 	struct media_entity_desc u_ent;
 
+	memset(&u_ent, 0, sizeof(u_ent));
 	if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
 		return -EFAULT;
 
diff --git a/drivers/media/video/gspca/kinect.c b/drivers/media/video/gspca/kinect.c
index e8e8f2f..bfbc228 100644
--- a/drivers/media/video/gspca/kinect.c
+++ b/drivers/media/video/gspca/kinect.c
@@ -390,6 +390,7 @@
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x045e, 0x02ae)},
+	{USB_DEVICE(0x045e, 0x02bf)},
 	{}
 };
 
diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c
index 6510110..e09c4b6 100644
--- a/drivers/media/video/hdpvr/hdpvr-core.c
+++ b/drivers/media/video/hdpvr/hdpvr-core.c
@@ -309,6 +309,11 @@
 
 	dev->workqueue = 0;
 
+	/* init video transfer queues first of all */
+	/* to prevent oops in hdpvr_delete() on error paths */
+	INIT_LIST_HEAD(&dev->free_buff_list);
+	INIT_LIST_HEAD(&dev->rec_buff_list);
+
 	/* register v4l2_device early so it can be used for printks */
 	if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) {
 		err("v4l2_device_register failed");
@@ -331,10 +336,6 @@
 	if (!dev->workqueue)
 		goto error;
 
-	/* init video transfer queues */
-	INIT_LIST_HEAD(&dev->free_buff_list);
-	INIT_LIST_HEAD(&dev->rec_buff_list);
-
 	dev->options = hdpvr_default_options;
 
 	if (default_video_input < HDPVR_VIDEO_INPUTS)
@@ -385,12 +386,6 @@
 	}
 	mutex_unlock(&dev->io_mutex);
 
-	if (hdpvr_register_videodev(dev, &interface->dev,
-				    video_nr[atomic_inc_return(&dev_nr)])) {
-		v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
-		goto error;
-	}
-
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 	retval = hdpvr_register_i2c_adapter(dev);
 	if (retval < 0) {
@@ -411,6 +406,13 @@
 	}
 #endif
 
+	retval = hdpvr_register_videodev(dev, &interface->dev,
+				    video_nr[atomic_inc_return(&dev_nr)]);
+	if (retval < 0) {
+		v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
+		goto reg_fail;
+	}
+
 	/* let the user know what node this device is now attached to */
 	v4l2_info(&dev->v4l2_dev, "device now attached to %s\n",
 		  video_device_node_name(dev->video_dev));
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 88cf9d9..89f354e 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -206,19 +206,21 @@
 	struct vm_area_struct *vma;
 	struct mm_struct *mm = current->mm;
 
-	vma = find_vma(mm, virtp);
 	/* For kernel direct-mapped memory, take the easy way */
-	if (virtp >= PAGE_OFFSET) {
-		physp = virt_to_phys((void *) virtp);
-	} else if (vma && (vma->vm_flags & VM_IO) && vma->vm_pgoff) {
+	if (virtp >= PAGE_OFFSET)
+		return virt_to_phys((void *) virtp);
+
+	down_read(&current->mm->mmap_sem);
+	vma = find_vma(mm, virtp);
+	if (vma && (vma->vm_flags & VM_IO) && vma->vm_pgoff) {
 		/* this will catch, kernel-allocated, mmaped-to-usermode
 		   addresses */
 		physp = (vma->vm_pgoff << PAGE_SHIFT) + (virtp - vma->vm_start);
+		up_read(&current->mm->mmap_sem);
 	} else {
 		/* otherwise, use get_user_pages() for general userland pages */
 		int res, nr_pages = 1;
 		struct page *pages;
-		down_read(&current->mm->mmap_sem);
 
 		res = get_user_pages(current, current->mm, virtp, nr_pages, 1,
 				0, &pages, NULL);
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index 10460fd..dbcdfbf 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -172,7 +172,9 @@
 		dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count,
 			dev->dmasound.bufsize, dev->dmasound.blocks);
 		spin_unlock(&dev->slock);
+		snd_pcm_stream_lock(dev->dmasound.substream);
 		snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN);
+		snd_pcm_stream_unlock(dev->dmasound.substream);
 		return;
 	}
 
diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c
index 3b7d7b4..8f3c47e 100644
--- a/drivers/media/video/saa7164/saa7164-core.c
+++ b/drivers/media/video/saa7164/saa7164-core.c
@@ -1386,9 +1386,11 @@
 		if (fw_debug) {
 			dev->kthread = kthread_run(saa7164_thread_function, dev,
 				"saa7164 debug");
-			if (!dev->kthread)
+			if (IS_ERR(dev->kthread)) {
+				dev->kthread = NULL;
 				printk(KERN_ERR "%s() Failed to create "
 					"debug kernel thread\n", __func__);
+			}
 		}
 
 	} /* != BOARD_UNKNOWN */
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c
index 5ae49af..64898c3 100644
--- a/drivers/media/video/v4l2-device.c
+++ b/drivers/media/video/v4l2-device.c
@@ -152,31 +152,21 @@
 	sd->v4l2_dev = v4l2_dev;
 	if (sd->internal_ops && sd->internal_ops->registered) {
 		err = sd->internal_ops->registered(sd);
-		if (err) {
-			module_put(sd->owner);
-			return err;
-		}
+		if (err)
+			goto error_module;
 	}
 
 	
 	err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler);
-	if (err) {
-		if (sd->internal_ops && sd->internal_ops->unregistered)
-			sd->internal_ops->unregistered(sd);
-		module_put(sd->owner);
-		return err;
-	}
+	if (err)
+		goto error_unregister;
 
 #if defined(CONFIG_MEDIA_CONTROLLER)
 	
 	if (v4l2_dev->mdev) {
 		err = media_device_register_entity(v4l2_dev->mdev, entity);
-		if (err < 0) {
-			if (sd->internal_ops && sd->internal_ops->unregistered)
-				sd->internal_ops->unregistered(sd);
-			module_put(sd->owner);
-			return err;
-		}
+		if (err < 0)
+			goto error_unregister;
 	}
 #endif
 
@@ -189,6 +179,14 @@
 	spin_unlock(&v4l2_dev->lock);
 
 	return 0;
+
+error_unregister:
+	if (sd->internal_ops && sd->internal_ops->unregistered)
+		sd->internal_ops->unregistered(sd);
+error_module:
+	module_put(sd->owner);
+	sd->v4l2_dev = NULL;
+	return err;
 }
 EXPORT_SYMBOL_GPL(v4l2_device_register_subdev);
 
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
index d9e4b36..6d71067 100644
--- a/drivers/mfd/max8925-i2c.c
+++ b/drivers/mfd/max8925-i2c.c
@@ -156,9 +156,18 @@
 	mutex_init(&chip->io_lock);
 
 	chip->rtc = i2c_new_dummy(chip->i2c->adapter, RTC_I2C_ADDR);
+	if (!chip->rtc) {
+		dev_err(chip->dev, "Failed to allocate I2C device for RTC\n");
+		return -ENODEV;
+	}
 	i2c_set_clientdata(chip->rtc, chip);
 
 	chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
+	if (!chip->adc) {
+		dev_err(chip->dev, "Failed to allocate I2C device for ADC\n");
+		i2c_unregister_device(chip->rtc);
+		return -ENODEV;
+	}
 	i2c_set_clientdata(chip->adc, chip);
 
 	device_init_wakeup(&client->dev, 1);
diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index cb83a7a..b4d48af 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -149,10 +149,26 @@
 	mutex_init(&max8997->iolock);
 
 	max8997->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
+	if (!max8997->rtc) {
+		dev_err(max8997->dev, "Failed to allocate I2C device for RTC\n");
+		return -ENODEV;
+	}
 	i2c_set_clientdata(max8997->rtc, max8997);
+
 	max8997->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
+	if (!max8997->haptic) {
+		dev_err(max8997->dev, "Failed to allocate I2C device for Haptic\n");
+		ret = -ENODEV;
+		goto err_i2c_haptic;
+	}
 	i2c_set_clientdata(max8997->haptic, max8997);
+
 	max8997->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
+	if (!max8997->muic) {
+		dev_err(max8997->dev, "Failed to allocate I2C device for MUIC\n");
+		ret = -ENODEV;
+		goto err_i2c_muic;
+	}
 	i2c_set_clientdata(max8997->muic, max8997);
 
 	pm_runtime_set_active(max8997->dev);
@@ -179,7 +195,9 @@
 err_mfd:
 	mfd_remove_devices(max8997->dev);
 	i2c_unregister_device(max8997->muic);
+err_i2c_muic:
 	i2c_unregister_device(max8997->haptic);
+err_i2c_haptic:
 	i2c_unregister_device(max8997->rtc);
 err:
 	kfree(max8997);
diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 6ef56d2..0a44816 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -152,6 +152,10 @@
 	mutex_init(&max8998->iolock);
 
 	max8998->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
+	if (!max8998->rtc) {
+		dev_err(&i2c->dev, "Failed to allocate I2C device for RTC\n");
+		return -ENODEV;
+	}
 	i2c_set_clientdata(max8998->rtc, max8998);
 
 	max8998_irq_init(max8998);
diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c
index fffc227..9c99680 100644
--- a/drivers/misc/hpilo.c
+++ b/drivers/misc/hpilo.c
@@ -735,7 +735,14 @@
 	free_irq(pdev->irq, ilo_hw);
 	ilo_unmap_device(pdev, ilo_hw);
 	pci_release_regions(pdev);
-	pci_disable_device(pdev);
+	/*
+	 * pci_disable_device(pdev) used to be here. But this PCI device has
+	 * two functions with interrupt lines connected to a single pin. The
+	 * other one is a USB host controller. So when we disable the PIN here
+	 * e.g. by rmmod hpilo, the controller stops working. It is because
+	 * the interrupt link is disabled in ACPI since it is not refcounted
+	 * yet. See acpi_pci_link_free_irq called from acpi_pci_irq_disable.
+	 */
 	kfree(ilo_hw);
 	ilo_hwdev[(minor / MAX_CCB)] = 0;
 }
@@ -820,7 +827,7 @@
 free_regions:
 	pci_release_regions(pdev);
 disable:
-	pci_disable_device(pdev);
+/*	pci_disable_device(pdev);  see comment in ilo_remove */
 free:
 	kfree(ilo_hw);
 out:
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index b6def20..13ce63b 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -639,10 +639,6 @@
 		       host->base + HW_SSP_CTRL0 + MXS_SET_ADDR);
 		writel(BM_SSP_CTRL1_SDIO_IRQ_EN,
 		       host->base + HW_SSP_CTRL1 + MXS_SET_ADDR);
-
-		if (readl(host->base + HW_SSP_STATUS) & BM_SSP_STATUS_SDIO_IRQ)
-			mmc_signal_sdio_irq(host->mmc);
-
 	} else {
 		writel(BM_SSP_CTRL0_SDIO_IRQ_CHECK,
 		       host->base + HW_SSP_CTRL0 + MXS_CLR_ADDR);
@@ -651,6 +647,10 @@
 	}
 
 	spin_unlock_irqrestore(&host->lock, flags);
+
+	if (enable && readl(host->base + HW_SSP_STATUS) & BM_SSP_STATUS_SDIO_IRQ)
+		mmc_signal_sdio_irq(host->mmc);
+
 }
 
 static const struct mmc_host_ops mxs_mmc_ops = {
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 1924d24..797860e 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -71,7 +71,7 @@
 
 /* Define max times to check status register before we give up. */
 #define	MAX_READY_WAIT_JIFFIES	(40 * HZ)	/* M25P16 specs 40s max chip erase */
-#define	MAX_CMD_SIZE		5
+#define	MAX_CMD_SIZE		6
 
 #ifdef CONFIG_M25PXX_USE_FAST_READ
 #define OPCODE_READ 	OPCODE_FAST_READ
@@ -843,14 +843,13 @@
 		}
 	}
 
-	flash = kzalloc(sizeof *flash, GFP_KERNEL);
+	flash = devm_kzalloc(&spi->dev, sizeof(*flash), GFP_KERNEL);
 	if (!flash)
 		return -ENOMEM;
-	flash->command = kmalloc(MAX_CMD_SIZE + FAST_READ_DUMMY_BYTE, GFP_KERNEL);
-	if (!flash->command) {
-		kfree(flash);
+
+	flash->command = devm_kzalloc(&spi->dev, MAX_CMD_SIZE, GFP_KERNEL);
+	if (!flash->command)
 		return -ENOMEM;
-	}
 
 	flash->spi = spi;
 	mutex_init(&flash->lock);
@@ -947,14 +946,10 @@
 static int __devexit m25p_remove(struct spi_device *spi)
 {
 	struct m25p	*flash = dev_get_drvdata(&spi->dev);
-	int		status;
 
 	/* Clean up MTD stuff. */
-	status = mtd_device_unregister(&flash->mtd);
-	if (status == 0) {
-		kfree(flash->command);
-		kfree(flash);
-	}
+	mtd_device_unregister(&flash->mtd);
+
 	return 0;
 }
 
diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
index 8febe46..9f55d40 100644
--- a/drivers/mtd/nand/nuc900_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -250,7 +250,7 @@
 	val = __raw_readl(nand->reg + REG_FMICSR);
 
 	if (!(val & NAND_EN))
-		__raw_writel(val | NAND_EN, REG_FMICSR);
+		__raw_writel(val | NAND_EN, nand->reg + REG_FMICSR);
 
 	val = __raw_readl(nand->reg + REG_SMCSR);
 
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index def50ca..fd11af4 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -93,10 +93,10 @@
 
 /* macros for registers read/write */
 #define nand_writel(info, off, val)	\
-	__raw_writel((val), (info)->mmio_base + (off))
+	writel_relaxed((val), (info)->mmio_base + (off))
 
 #define nand_readl(info, off)		\
-	__raw_readl((info)->mmio_base + (off))
+	readl_relaxed((info)->mmio_base + (off))
 
 /* error code and state */
 enum {
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index 9e2dfd5..539835f 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -59,15 +59,12 @@
 	struct attribute_group *attr_group;
 	struct attribute **attributes;
 	struct sm_sysfs_attribute *vendor_attribute;
+	char *vendor;
 
-	int vendor_len = strnlen(ftl->cis_buffer + SM_CIS_VENDOR_OFFSET,
-					SM_SMALL_PAGE - SM_CIS_VENDOR_OFFSET);
-
-	char *vendor = kmalloc(vendor_len, GFP_KERNEL);
+	vendor = kstrndup(ftl->cis_buffer + SM_CIS_VENDOR_OFFSET,
+			  SM_SMALL_PAGE - SM_CIS_VENDOR_OFFSET, GFP_KERNEL);
 	if (!vendor)
 		goto error1;
-	memcpy(vendor, ftl->cis_buffer + SM_CIS_VENDOR_OFFSET, vendor_len);
-	vendor[vendor_len] = 0;
 
 	/* Initialize sysfs attributes */
 	vendor_attribute =
@@ -78,7 +75,7 @@
 	sysfs_attr_init(&vendor_attribute->dev_attr.attr);
 
 	vendor_attribute->data = vendor;
-	vendor_attribute->len = vendor_len;
+	vendor_attribute->len = strlen(vendor);
 	vendor_attribute->dev_attr.attr.name = "vendor";
 	vendor_attribute->dev_attr.attr.mode = S_IRUGO;
 	vendor_attribute->dev_attr.show = sm_attr_show;
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 12c43b4..4f71793 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -997,7 +997,7 @@
 			return err;
 		goto adjust_mean_ec;
 	case UBI_IO_FF:
-		if (ec_err)
+		if (ec_err || bitflips)
 			err = add_to_list(si, pnum, ec, 1, &si->erase);
 		else
 			err = add_to_list(si, pnum, ec, 0, &si->free);
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 3463b46..184be29 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -1854,8 +1854,6 @@
 	BOND_AD_INFO(bond).agg_select_timer = timeout;
 }
 
-static u16 aggregator_identifier;
-
 /**
  * bond_3ad_initialize - initialize a bond's 802.3ad parameters and structures
  * @bond: bonding struct to work on
@@ -1869,7 +1867,7 @@
 	if (MAC_ADDRESS_COMPARE(&(BOND_AD_INFO(bond).system.sys_mac_addr),
 				bond->dev->dev_addr)) {
 
-		aggregator_identifier = 0;
+		BOND_AD_INFO(bond).aggregator_identifier = 0;
 
 		BOND_AD_INFO(bond).system.sys_priority = 0xFFFF;
 		BOND_AD_INFO(bond).system.sys_mac_addr = *((struct mac_addr *)bond->dev->dev_addr);
@@ -1941,7 +1939,7 @@
 		ad_initialize_agg(aggregator);
 
 		aggregator->aggregator_mac_address = *((struct mac_addr *)bond->dev->dev_addr);
-		aggregator->aggregator_identifier = (++aggregator_identifier);
+		aggregator->aggregator_identifier = ++BOND_AD_INFO(bond).aggregator_identifier;
 		aggregator->slave = slave;
 		aggregator->is_active = 0;
 		aggregator->num_of_ports = 0;
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index 5ee7e3c..656b2f5 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -253,6 +253,7 @@
 struct ad_bond_info {
 	struct ad_system system;	    /* 802.3ad system structure */
 	u32 agg_select_timer;	    // Timer to select aggregator after all adapter's hand shakes
+	u16 aggregator_identifier;
 };
 
 struct ad_slave_info {
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 098581a..2402af3 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4930,6 +4930,7 @@
 out:
 	return res;
 err:
+	bond_destroy_debugfs();
 	rtnl_link_unregister(&bond_link_ops);
 err_link:
 	unregister_pernet_subsys(&bond_net_ops);
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 6ea905c..12328068 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1115,7 +1115,9 @@
 	struct at91_priv *priv = netdev_priv(dev);
 	int err;
 
-	clk_enable(priv->clk);
+	err = clk_prepare_enable(priv->clk);
+	if (err)
+		return err;
 
 	/* check or determine and set bittime */
 	err = open_candev(dev);
@@ -1139,7 +1141,7 @@
  out_close:
 	close_candev(dev);
  out:
-	clk_disable(priv->clk);
+	clk_disable_unprepare(priv->clk);
 
 	return err;
 }
@@ -1156,7 +1158,7 @@
 	at91_chip_stop(dev, CAN_STATE_STOPPED);
 
 	free_irq(dev->irq, dev);
-	clk_disable(priv->clk);
+	clk_disable_unprepare(priv->clk);
 
 	close_candev(dev);
 
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 77405b4..91d1b5a 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -446,8 +446,12 @@
 
 	priv->write_reg(priv, &priv->regs->ifregs[iface].mask1,
 			IFX_WRITE_LOW_16BIT(mask));
+
+	/* According to C_CAN documentation, the reserved bit
+	 * in IFx_MASK2 register is fixed 1
+	 */
 	priv->write_reg(priv, &priv->regs->ifregs[iface].mask2,
-			IFX_WRITE_HIGH_16BIT(mask));
+			IFX_WRITE_HIGH_16BIT(mask) | BIT(13));
 
 	priv->write_reg(priv, &priv->regs->ifregs[iface].arb1,
 			IFX_WRITE_LOW_16BIT(id));
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index eb4014a..b523e65 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -123,7 +123,9 @@
 	 FLEXCAN_ESR_BOFF_INT | FLEXCAN_ESR_ERR_INT)
 
 /* FLEXCAN interrupt flag register (IFLAG) bits */
-#define FLEXCAN_TX_BUF_ID		8
+/* Errata ERR005829 step7: Reserve first valid MB */
+#define FLEXCAN_TX_BUF_RESERVED		8
+#define FLEXCAN_TX_BUF_ID		9
 #define FLEXCAN_IFLAG_BUF(x)		BIT(x)
 #define FLEXCAN_IFLAG_RX_FIFO_OVERFLOW	BIT(7)
 #define FLEXCAN_IFLAG_RX_FIFO_WARN	BIT(6)
@@ -134,6 +136,17 @@
 
 /* FLEXCAN message buffers */
 #define FLEXCAN_MB_CNT_CODE(x)		(((x) & 0xf) << 24)
+#define FLEXCAN_MB_CODE_RX_INACTIVE	(0x0 << 24)
+#define FLEXCAN_MB_CODE_RX_EMPTY	(0x4 << 24)
+#define FLEXCAN_MB_CODE_RX_FULL		(0x2 << 24)
+#define FLEXCAN_MB_CODE_RX_OVERRRUN	(0x6 << 24)
+#define FLEXCAN_MB_CODE_RX_RANSWER	(0xa << 24)
+
+#define FLEXCAN_MB_CODE_TX_INACTIVE	(0x8 << 24)
+#define FLEXCAN_MB_CODE_TX_ABORT	(0x9 << 24)
+#define FLEXCAN_MB_CODE_TX_DATA		(0xc << 24)
+#define FLEXCAN_MB_CODE_TX_TANSWER	(0xe << 24)
+
 #define FLEXCAN_MB_CNT_SRR		BIT(22)
 #define FLEXCAN_MB_CNT_IDE		BIT(21)
 #define FLEXCAN_MB_CNT_RTR		BIT(20)
@@ -306,6 +319,14 @@
 	flexcan_write(can_id, &regs->cantxfg[FLEXCAN_TX_BUF_ID].can_id);
 	flexcan_write(ctrl, &regs->cantxfg[FLEXCAN_TX_BUF_ID].can_ctrl);
 
+	/* Errata ERR005829 step8:
+	 * Write twice INACTIVE(0x8) code to first MB.
+	 */
+	flexcan_write(FLEXCAN_MB_CODE_TX_INACTIVE,
+		      &regs->cantxfg[FLEXCAN_TX_BUF_RESERVED].can_ctrl);
+	flexcan_write(FLEXCAN_MB_CODE_TX_INACTIVE,
+		      &regs->cantxfg[FLEXCAN_TX_BUF_RESERVED].can_ctrl);
+
 	return NETDEV_TX_OK;
 }
 
@@ -612,6 +633,9 @@
 	if (reg_iflag1 & (1 << FLEXCAN_TX_BUF_ID)) {
 		stats->tx_bytes += can_get_echo_skb(dev, 0);
 		stats->tx_packets++;
+		/* after sending a RTR frame mailbox is in RX mode */
+		flexcan_write(FLEXCAN_MB_CODE_TX_INACTIVE,
+			&regs->cantxfg[FLEXCAN_TX_BUF_ID].can_ctrl);
 		flexcan_write((1 << FLEXCAN_TX_BUF_ID), &regs->iflag1);
 		netif_wake_queue(dev);
 	}
@@ -669,6 +693,7 @@
 	struct flexcan_regs __iomem *regs = priv->base;
 	int err;
 	u32 reg_mcr, reg_ctrl;
+	int i;
 
 	/* enable module */
 	flexcan_chip_enable(priv);
@@ -734,8 +759,18 @@
 	netdev_dbg(dev, "%s: writing ctrl=0x%08x", __func__, reg_ctrl);
 	flexcan_write(reg_ctrl, &regs->ctrl);
 
-	/* Abort any pending TX, mark Mailbox as INACTIVE */
-	flexcan_write(FLEXCAN_MB_CNT_CODE(0x4),
+	/* clear and invalidate all mailboxes first */
+	for (i = FLEXCAN_TX_BUF_ID; i < ARRAY_SIZE(regs->cantxfg); i++) {
+		flexcan_write(FLEXCAN_MB_CODE_RX_INACTIVE,
+			      &regs->cantxfg[i].can_ctrl);
+	}
+
+	/* Errata ERR005829: mark first TX mailbox as INACTIVE */
+	flexcan_write(FLEXCAN_MB_CODE_TX_INACTIVE,
+		      &regs->cantxfg[FLEXCAN_TX_BUF_RESERVED].can_ctrl);
+
+	/* mark TX mailbox as INACTIVE */
+	flexcan_write(FLEXCAN_MB_CODE_TX_INACTIVE,
 		      &regs->cantxfg[FLEXCAN_TX_BUF_ID].can_ctrl);
 
 	/* acceptance mask/acceptance code (accept everything) */
@@ -805,7 +840,7 @@
 
 	err = request_irq(dev->irq, flexcan_irq, IRQF_SHARED, dev->name, dev);
 	if (err)
-		goto out_close;
+		goto out_free_irq;
 
 	/* start chip and queuing */
 	err = flexcan_chip_start(dev);
@@ -816,6 +851,8 @@
 
 	return 0;
 
+ out_free_irq:
+	free_irq(dev->irq, dev);
  out_close:
 	close_candev(dev);
  out:
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 5f92b86..a28c5d3 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -547,7 +547,7 @@
 {
 	struct sja1000_priv *priv;
 	struct peak_pci_chan *chan;
-	struct net_device *dev;
+	struct net_device *dev, *prev_dev;
 	void __iomem *cfg_base, *reg_base;
 	u16 sub_sys_id, icr;
 	int i, err, channels;
@@ -681,11 +681,13 @@
 	writew(0x0, cfg_base + PITA_ICR + 2);
 
 	chan = NULL;
-	for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
-		unregister_sja1000dev(dev);
-		free_sja1000dev(dev);
+	for (dev = pci_get_drvdata(pdev); dev; dev = prev_dev) {
 		priv = netdev_priv(dev);
 		chan = priv->priv;
+		prev_dev = chan->prev_dev;
+
+		unregister_sja1000dev(dev);
+		free_sja1000dev(dev);
 	}
 
 	/* free any PCIeC resources too */
@@ -719,10 +721,12 @@
 
 	/* Loop over all registered devices */
 	while (1) {
+		struct net_device *prev_dev = chan->prev_dev;
+
 		dev_info(&pdev->dev, "removing device %s\n", dev->name);
 		unregister_sja1000dev(dev);
 		free_sja1000dev(dev);
-		dev = chan->prev_dev;
+		dev = prev_dev;
 
 		if (!dev) {
 			/* do that only for first channel */
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index c2309ec..2d3ad72 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -487,19 +487,19 @@
 	uint8_t isrc, status;
 	int n = 0;
 
-	/* Shared interrupts and IRQ off? */
-	if (priv->read_reg(priv, REG_IER) == IRQ_OFF)
-		return IRQ_NONE;
-
 	if (priv->pre_irq)
 		priv->pre_irq(priv);
 
+	/* Shared interrupts and IRQ off? */
+	if (priv->read_reg(priv, REG_IER) == IRQ_OFF)
+		goto out;
+
 	while ((isrc = priv->read_reg(priv, REG_IR)) && (n < SJA1000_MAX_IRQ)) {
-		n++;
+
 		status = priv->read_reg(priv, SJA1000_REG_SR);
 		/* check for absent controller due to hw unplug */
 		if (status == 0xFF && sja1000_is_absent(priv))
-			return IRQ_NONE;
+			goto out;
 
 		if (isrc & IRQ_WUI)
 			netdev_warn(dev, "wakeup interrupt\n");
@@ -518,7 +518,7 @@
 				status = priv->read_reg(priv, SJA1000_REG_SR);
 				/* check for absent controller */
 				if (status == 0xFF && sja1000_is_absent(priv))
-					return IRQ_NONE;
+					goto out;
 			}
 		}
 		if (isrc & (IRQ_DOI | IRQ_EI | IRQ_BEI | IRQ_EPI | IRQ_ALI)) {
@@ -526,8 +526,9 @@
 			if (sja1000_err(dev, isrc, status))
 				break;
 		}
+		n++;
 	}
-
+out:
 	if (priv->post_irq)
 		priv->post_irq(priv);
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 5135733..05ec7f1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -1030,9 +1030,6 @@
 				     ETH_VLAN_FILTER_CLASSIFY, config);
 }
 
-#define list_next_entry(pos, member) \
-	list_entry((pos)->member.next, typeof(*(pos)), member)
-
 /**
  * bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
  *
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 650286b..cbc6a62 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1631,6 +1631,9 @@
 	int i;
 	u32 val;
 
+	if (tg3_flag(tp, NO_FWARE_REPORTED))
+		return 0;
+
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
 		/* Wait up to 20ms for init done. */
 		for (i = 0; i < 200; i++) {
@@ -2737,6 +2740,31 @@
 	return 0;
 }
 
+static bool tg3_phy_power_bug(struct tg3 *tp)
+{
+	switch (GET_ASIC_REV(tp->pci_chip_rev_id)) {
+	case ASIC_REV_5700:
+	case ASIC_REV_5704:
+		return true;
+	case ASIC_REV_5780:
+		if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
+			return true;
+		return false;
+	case ASIC_REV_5717:
+		if (!tp->pci_fn)
+			return true;
+		return false;
+	case ASIC_REV_5719:
+	case ASIC_REV_5720:
+		if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
+		    !tp->pci_fn)
+			return true;
+		return false;
+	}
+
+	return false;
+}
+
 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
 {
 	u32 val;
@@ -2793,12 +2821,7 @@
 	/* The PHY should not be powered down on some chips because
 	 * of bugs.
 	 */
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
-	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
-	     (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) ||
-	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
-	     !tp->pci_fn))
+	if (tg3_phy_power_bug(tp))
 		return;
 
 	if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
@@ -5844,8 +5867,7 @@
 
 		work_mask |= opaque_key;
 
-		if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
-		    (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
+		if (desc->err_vlan & RXD_ERR_MASK) {
 		drop_it:
 			tg3_recycle_rx(tnapi, tpr, opaque_key,
 				       desc_idx, *post_ptr);
@@ -8526,6 +8548,14 @@
 	}
 }
 
+static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
+{
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
+		return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
+	else
+		return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
+}
+
 /* tp->lock is held. */
 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 {
@@ -9162,6 +9192,20 @@
 	tw32_f(RDMAC_MODE, rdmac_mode);
 	udelay(40);
 
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) {
+		for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
+			if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
+				break;
+		}
+		if (i < TG3_NUM_RDMA_CHANNELS) {
+			val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+			val |= tg3_lso_rd_dma_workaround_bit(tp);
+			tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+			tg3_flag_set(tp, 5719_5720_RDMA_BUG);
+		}
+	}
+
 	tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
 	if (!tg3_flag(tp, 5705_PLUS))
 		tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
@@ -9383,6 +9427,13 @@
  */
 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
 {
+	/* Chip may have been just powered on. If so, the boot code may still
+	 * be running initialization. Wait for it to finish to avoid races in
+	 * accessing the hardware.
+	 */
+	tg3_enable_register_access(tp);
+	tg3_poll_fw(tp);
+
 	tg3_switch_clocks(tp);
 
 	tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
@@ -9417,6 +9468,16 @@
 	TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
 	TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
 	TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
+	if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
+		     (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
+		      sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
+		u32 val;
+
+		val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+		val &= ~tg3_lso_rd_dma_workaround_bit(tp);
+		tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+		tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
+	}
 
 	TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
 	TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
@@ -10800,7 +10861,9 @@
 	if (tg3_flag(tp, MAX_RXPEND_64) &&
 	    tp->rx_pending > 63)
 		tp->rx_pending = 63;
-	tp->rx_jumbo_pending = ering->rx_jumbo_pending;
+
+	if (tg3_flag(tp, JUMBO_RING_ENABLE))
+		tp->rx_jumbo_pending = ering->rx_jumbo_pending;
 
 	for (i = 0; i < tp->irq_max; i++)
 		tp->napi[i].tx_pending = ering->tx_pending;
@@ -12343,12 +12406,12 @@
 
 	tg3_netif_stop(tp);
 
+	tg3_set_mtu(dev, tp, new_mtu);
+
 	tg3_full_lock(tp, 1);
 
 	tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
 
-	tg3_set_mtu(dev, tp, new_mtu);
-
 	/* Reset PHY, otherwise the read DMA engine will be in a mode that
 	 * breaks all requests to 256 bytes.
 	 */
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 93865f8..6639a63 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1376,7 +1376,12 @@
 #define TG3_LSO_RD_DMA_CRPTEN_CTRL	0x00004910
 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K	 0x00030000
 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K	 0x000c0000
-/* 0x4914 --> 0x4c00 unused */
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719	 0x02000000
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720	 0x00200000
+/* 0x4914 --> 0x4be0 unused */
+
+#define TG3_NUM_RDMA_CHANNELS		4
+#define TG3_RDMA_LENGTH			0x00004be0
 
 /* Write DMA control registers */
 #define WDMAC_MODE			0x00004c00
@@ -2484,7 +2489,11 @@
 #define RXD_ERR_TOO_SMALL		0x00400000
 #define RXD_ERR_NO_RESOURCES		0x00800000
 #define RXD_ERR_HUGE_FRAME		0x01000000
-#define RXD_ERR_MASK			0xffff0000
+
+#define RXD_ERR_MASK	(RXD_ERR_BAD_CRC | RXD_ERR_COLLISION |		\
+			 RXD_ERR_LINK_LOST | RXD_ERR_PHY_DECODE |	\
+			 RXD_ERR_MAC_ABRT | RXD_ERR_TOO_SMALL |		\
+			 RXD_ERR_NO_RESOURCES | RXD_ERR_HUGE_FRAME)
 
 	u32				reserved;
 	u32				opaque;
@@ -2920,6 +2929,7 @@
 	TG3_FLAG_L1PLLPD_EN,
 	TG3_FLAG_APE_HAS_NCSI,
 	TG3_FLAG_4K_FIFO_LIMIT,
+	TG3_FLAG_5719_5720_RDMA_BUG,
 	TG3_FLAG_RESET_TASK_PENDING,
 	TG3_FLAG_5705_PLUS,
 	TG3_FLAG_IS_5788,
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index ef1f940..b2740f1 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2411,7 +2411,7 @@
 
 	for_all_evt_queues(adapter, eqo, i) {
 		napi_enable(&eqo->napi);
-		be_eq_notify(adapter, eqo->q.id, true, false, 0);
+		be_eq_notify(adapter, eqo->q.id, true, true, 0);
 	}
 
 	status = be_cmd_link_status_query(adapter, NULL, NULL,
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 33a1760..b2b715f 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -293,6 +293,18 @@
 	atomic_add(buffers_added, &(pool->available));
 }
 
+/*
+ * The final 8 bytes of the buffer list is a counter of frames dropped
+ * because there was not a buffer in the buffer list capable of holding
+ * the frame.
+ */
+static void ibmveth_update_rx_no_buffer(struct ibmveth_adapter *adapter)
+{
+	__be64 *p = adapter->buffer_list_addr + 4096 - 8;
+
+	adapter->rx_no_buffer = be64_to_cpup(p);
+}
+
 /* replenish routine */
 static void ibmveth_replenish_task(struct ibmveth_adapter *adapter)
 {
@@ -308,8 +320,7 @@
 			ibmveth_replenish_buffer_pool(adapter, pool);
 	}
 
-	adapter->rx_no_buffer = *(u64 *)(((char*)adapter->buffer_list_addr) +
-						4096 - 8);
+	ibmveth_update_rx_no_buffer(adapter);
 }
 
 /* empty and free ana buffer pool - also used to do cleanup in error paths */
@@ -692,8 +703,7 @@
 
 	free_irq(netdev->irq, netdev);
 
-	adapter->rx_no_buffer = *(u64 *)(((char *)adapter->buffer_list_addr) +
-						4096 - 8);
+	ibmveth_update_rx_no_buffer(adapter);
 
 	ibmveth_cleanup(adapter);
 
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 1ab8067..21c058b 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -309,6 +309,7 @@
 	 */
 	struct e1000_ring *tx_ring /* One per active queue */
 						____cacheline_aligned_in_smp;
+	u32 tx_fifo_limit;
 
 	struct napi_struct napi;
 
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index c80b4b4..e65f529 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -3498,6 +3498,15 @@
 	}
 
 	/*
+	 * Alignment of Tx data is on an arbitrary byte boundary with the
+	 * maximum size per Tx descriptor limited only to the transmit
+	 * allocation of the packet buffer minus 96 bytes with an upper
+	 * limit of 24KB due to receive synchronization limitations.
+	 */
+	adapter->tx_fifo_limit = min_t(u32, ((er32(PBA) >> 16) << 10) - 96,
+				       24 << 10);
+
+	/*
 	 * Disable Adaptive Interrupt Moderation if 2 full packets cannot
 	 * fit in receive buffer.
 	 */
@@ -4766,12 +4775,9 @@
 	return 1;
 }
 
-#define E1000_MAX_PER_TXD	8192
-#define E1000_MAX_TXD_PWR	12
-
 static int e1000_tx_map(struct e1000_ring *tx_ring, struct sk_buff *skb,
 			unsigned int first, unsigned int max_per_txd,
-			unsigned int nr_frags, unsigned int mss)
+			unsigned int nr_frags)
 {
 	struct e1000_adapter *adapter = tx_ring->adapter;
 	struct pci_dev *pdev = adapter->pdev;
@@ -5004,20 +5010,19 @@
 
 static int e1000_maybe_stop_tx(struct e1000_ring *tx_ring, int size)
 {
+	BUG_ON(size > tx_ring->count);
+
 	if (e1000_desc_unused(tx_ring) >= size)
 		return 0;
 	return __e1000_maybe_stop_tx(tx_ring, size);
 }
 
-#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1)
 static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
 				    struct net_device *netdev)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_ring *tx_ring = adapter->tx_ring;
 	unsigned int first;
-	unsigned int max_per_txd = E1000_MAX_PER_TXD;
-	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
 	unsigned int tx_flags = 0;
 	unsigned int len = skb_headlen(skb);
 	unsigned int nr_frags;
@@ -5037,18 +5042,8 @@
 	}
 
 	mss = skb_shinfo(skb)->gso_size;
-	/*
-	 * The controller does a simple calculation to
-	 * make sure there is enough room in the FIFO before
-	 * initiating the DMA for each buffer.  The calc is:
-	 * 4 = ceil(buffer len/mss).  To make sure we don't
-	 * overrun the FIFO, adjust the max buffer len if mss
-	 * drops.
-	 */
 	if (mss) {
 		u8 hdr_len;
-		max_per_txd = min(mss << 2, max_per_txd);
-		max_txd_pwr = fls(max_per_txd) - 1;
 
 		/*
 		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
@@ -5078,12 +5073,12 @@
 		count++;
 	count++;
 
-	count += TXD_USE_COUNT(len, max_txd_pwr);
+	count += DIV_ROUND_UP(len, adapter->tx_fifo_limit);
 
 	nr_frags = skb_shinfo(skb)->nr_frags;
 	for (f = 0; f < nr_frags; f++)
-		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
-				       max_txd_pwr);
+		count += DIV_ROUND_UP(skb_frag_size(&skb_shinfo(skb)->frags[f]),
+				      adapter->tx_fifo_limit);
 
 	if (adapter->hw.mac.tx_pkt_filtering)
 		e1000_transfer_dhcp_info(adapter, skb);
@@ -5125,13 +5120,16 @@
 		tx_flags |= E1000_TX_FLAGS_NO_FCS;
 
 	/* if count is 0 then mapping error has occurred */
-	count = e1000_tx_map(tx_ring, skb, first, max_per_txd, nr_frags, mss);
+	count = e1000_tx_map(tx_ring, skb, first, adapter->tx_fifo_limit,
+			     nr_frags);
 	if (count) {
 		netdev_sent_queue(netdev, skb->len);
 		e1000_tx_queue(tx_ring, tx_flags, count);
 		/* Make sure there is space in the ring for the next send. */
-		e1000_maybe_stop_tx(tx_ring, MAX_SKB_FRAGS + 2);
-
+		e1000_maybe_stop_tx(tx_ring,
+				    (MAX_SKB_FRAGS *
+				     DIV_ROUND_UP(PAGE_SIZE,
+						  adapter->tx_fifo_limit) + 2));
 	} else {
 		dev_kfree_skb_any(skb);
 		tx_ring->buffer_info[first].time_stamp = 0;
@@ -6303,8 +6301,8 @@
 	adapter->hw.phy.autoneg_advertised = 0x2f;
 
 	/* ring size defaults */
-	adapter->rx_ring->count = 256;
-	adapter->tx_ring->count = 256;
+	adapter->rx_ring->count = E1000_DEFAULT_RXD;
+	adapter->tx_ring->count = E1000_DEFAULT_TXD;
 
 	/*
 	 * Initial Wake on LAN setting - If APM wake is enabled in
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 8f95545..8611409 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7464,12 +7464,15 @@
 	pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version);
 	pr_info("%s\n", ixgbe_copyright);
 
+	ret = pci_register_driver(&ixgbe_driver);
+	if (ret)
+		return ret;
+
 #ifdef CONFIG_IXGBE_DCA
 	dca_register_notify(&dca_notifier);
 #endif
 
-	ret = pci_register_driver(&ixgbe_driver);
-	return ret;
+	return 0;
 }
 
 module_init(ixgbe_init_module);
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 307611a..d8e4562 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -969,8 +969,6 @@
 	r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues);
 	for (i = 0; i < q_vector->txr_count; i++) {
 		tx_ring = &(adapter->tx_ring[r_idx]);
-		tx_ring->total_bytes = 0;
-		tx_ring->total_packets = 0;
 		ixgbevf_clean_tx_irq(adapter, tx_ring);
 		r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues,
 				      r_idx + 1);
@@ -994,16 +992,6 @@
 	struct ixgbe_hw *hw = &adapter->hw;
 	struct ixgbevf_ring  *rx_ring;
 	int r_idx;
-	int i;
-
-	r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
-	for (i = 0; i < q_vector->rxr_count; i++) {
-		rx_ring = &(adapter->rx_ring[r_idx]);
-		rx_ring->total_bytes = 0;
-		rx_ring->total_packets = 0;
-		r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues,
-				      r_idx + 1);
-	}
 
 	if (!q_vector->rxr_count)
 		return IRQ_HANDLED;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
index 00b8127..174b622 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
@@ -55,7 +55,6 @@
 
 	cq->ring = ring;
 	cq->is_tx = mode;
-	spin_lock_init(&cq->lock);
 
 	err = mlx4_alloc_hwq_res(mdev->dev, &cq->wqres,
 				cq->buf_size, 2 * PAGE_SIZE);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 31b455a..467a511 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -370,15 +370,11 @@
 {
 	struct mlx4_en_priv *priv = netdev_priv(dev);
 	struct mlx4_en_cq *cq;
-	unsigned long flags;
 	int i;
 
 	for (i = 0; i < priv->rx_ring_num; i++) {
 		cq = &priv->rx_cq[i];
-		spin_lock_irqsave(&cq->lock, flags);
-		napi_synchronize(&cq->napi);
-		mlx4_en_process_rx_cq(dev, cq, 0);
-		spin_unlock_irqrestore(&cq->lock, flags);
+		napi_schedule(&cq->napi);
 	}
 }
 #endif
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 1995cb0..6e49bb4 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -92,8 +92,6 @@
 					 " 10 gives 248.range: 9<="
 					 " log_num_mgm_entry_size <= 12");
 
-#define MLX4_VF                                        (1 << 0)
-
 #define HCA_GLOBAL_CAP_MASK            0
 #define PF_CONTEXT_BEHAVIOUR_MASK      0
 
@@ -1731,7 +1729,7 @@
 	iounmap(owner);
 }
 
-static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
 {
 	struct mlx4_priv *priv;
 	struct mlx4_dev *dev;
@@ -1754,12 +1752,11 @@
 	/*
 	 * Check for BARs.
 	 */
-	if (((id == NULL) || !(id->driver_data & MLX4_VF)) &&
+	if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) &&
 	    !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
 		dev_err(&pdev->dev, "Missing DCS, aborting."
-			"(id == 0X%p, id->driver_data: 0x%lx,"
-			" pci_resource_flags(pdev, 0):0x%lx)\n", id,
-			id ? id->driver_data : 0, pci_resource_flags(pdev, 0));
+			"(driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n",
+			pci_dev_data, pci_resource_flags(pdev, 0));
 		err = -ENODEV;
 		goto err_disable_pdev;
 	}
@@ -1801,15 +1798,8 @@
 	/* Allow large DMA segments, up to the firmware limit of 1 GB */
 	dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024);
 
-	priv = kzalloc(sizeof *priv, GFP_KERNEL);
-	if (!priv) {
-		dev_err(&pdev->dev, "Device struct alloc failed, "
-			"aborting.\n");
-		err = -ENOMEM;
-		goto err_release_regions;
-	}
-
-	dev       = &priv->dev;
+	dev       = pci_get_drvdata(pdev);
+	priv      = mlx4_priv(dev);
 	dev->pdev = pdev;
 	INIT_LIST_HEAD(&priv->ctx_list);
 	spin_lock_init(&priv->ctx_lock);
@@ -1824,7 +1814,7 @@
 
 	dev->rev_id = pdev->revision;
 	/* Detect if this device is a virtual function */
-	if (id && id->driver_data & MLX4_VF) {
+	if (pci_dev_data & MLX4_PCI_DEV_IS_VF) {
 		/* When acting as pf, we normally skip vfs unless explicitly
 		 * requested to probe them. */
 		if (num_vfs && extended_func_num(pdev) > probe_vf) {
@@ -1970,7 +1960,7 @@
 	mlx4_sense_init(dev);
 	mlx4_start_sense(dev);
 
-	pci_set_drvdata(pdev, dev);
+	priv->removed = 0;
 
 	return 0;
 
@@ -2037,79 +2027,111 @@
 static int __devinit mlx4_init_one(struct pci_dev *pdev,
 				   const struct pci_device_id *id)
 {
+	struct mlx4_priv *priv;
+	struct mlx4_dev *dev;
+
 	printk_once(KERN_INFO "%s", mlx4_version);
 
-	return __mlx4_init_one(pdev, id);
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	dev       = &priv->dev;
+	pci_set_drvdata(pdev, dev);
+	priv->pci_dev_data = id->driver_data;
+
+	return __mlx4_init_one(pdev, id->driver_data);
+}
+
+static void __mlx4_remove_one(struct pci_dev *pdev)
+{
+	struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int               pci_dev_data;
+	int p;
+
+	if (priv->removed)
+		return;
+
+	pci_dev_data = priv->pci_dev_data;
+
+	/* in SRIOV it is not allowed to unload the pf's
+	 * driver while there are alive vf's */
+	if (mlx4_is_master(dev)) {
+		if (mlx4_how_many_lives_vf(dev))
+			printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
+	}
+	mlx4_stop_sense(dev);
+	mlx4_unregister_device(dev);
+
+	for (p = 1; p <= dev->caps.num_ports; p++) {
+		mlx4_cleanup_port_info(&priv->port[p]);
+		mlx4_CLOSE_PORT(dev, p);
+	}
+
+	mlx4_cleanup_counters_table(dev);
+	mlx4_cleanup_mcg_table(dev);
+	mlx4_cleanup_qp_table(dev);
+	mlx4_cleanup_srq_table(dev);
+	mlx4_cleanup_cq_table(dev);
+	mlx4_cmd_use_polling(dev);
+	mlx4_cleanup_eq_table(dev);
+	mlx4_cleanup_mr_table(dev);
+	mlx4_cleanup_xrcd_table(dev);
+	mlx4_cleanup_pd_table(dev);
+
+	if (mlx4_is_master(dev))
+		mlx4_free_resource_tracker(dev);
+
+	iounmap(priv->kar);
+	mlx4_uar_free(dev, &priv->driver_uar);
+	mlx4_cleanup_uar_table(dev);
+	if (!mlx4_is_slave(dev))
+		mlx4_clear_steering(dev);
+	mlx4_free_eq_table(dev);
+	if (mlx4_is_master(dev))
+		mlx4_multi_func_cleanup(dev);
+	mlx4_close_hca(dev);
+	if (mlx4_is_slave(dev))
+		mlx4_multi_func_cleanup(dev);
+	mlx4_cmd_cleanup(dev);
+
+	if (dev->flags & MLX4_FLAG_MSI_X)
+		pci_disable_msix(pdev);
+	if (num_vfs && (dev->flags & MLX4_FLAG_SRIOV)) {
+		mlx4_warn(dev, "Disabling sriov\n");
+		pci_disable_sriov(pdev);
+	}
+
+	if (!mlx4_is_slave(dev))
+		mlx4_free_ownership(dev);
+
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+	memset(priv, 0, sizeof(*priv));
+	priv->pci_dev_data = pci_dev_data;
+	priv->removed = 1;
 }
 
 static void mlx4_remove_one(struct pci_dev *pdev)
 {
 	struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
 	struct mlx4_priv *priv = mlx4_priv(dev);
-	int p;
 
-	if (dev) {
-		/* in SRIOV it is not allowed to unload the pf's
-		 * driver while there are alive vf's */
-		if (mlx4_is_master(dev)) {
-			if (mlx4_how_many_lives_vf(dev))
-				printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
-		}
-		mlx4_stop_sense(dev);
-		mlx4_unregister_device(dev);
-
-		for (p = 1; p <= dev->caps.num_ports; p++) {
-			mlx4_cleanup_port_info(&priv->port[p]);
-			mlx4_CLOSE_PORT(dev, p);
-		}
-
-		mlx4_cleanup_counters_table(dev);
-		mlx4_cleanup_mcg_table(dev);
-		mlx4_cleanup_qp_table(dev);
-		mlx4_cleanup_srq_table(dev);
-		mlx4_cleanup_cq_table(dev);
-		mlx4_cmd_use_polling(dev);
-		mlx4_cleanup_eq_table(dev);
-		mlx4_cleanup_mr_table(dev);
-		mlx4_cleanup_xrcd_table(dev);
-		mlx4_cleanup_pd_table(dev);
-
-		if (mlx4_is_master(dev))
-			mlx4_free_resource_tracker(dev);
-
-		iounmap(priv->kar);
-		mlx4_uar_free(dev, &priv->driver_uar);
-		mlx4_cleanup_uar_table(dev);
-		if (!mlx4_is_slave(dev))
-			mlx4_clear_steering(dev);
-		mlx4_free_eq_table(dev);
-		if (mlx4_is_master(dev))
-			mlx4_multi_func_cleanup(dev);
-		mlx4_close_hca(dev);
-		if (mlx4_is_slave(dev))
-			mlx4_multi_func_cleanup(dev);
-		mlx4_cmd_cleanup(dev);
-
-		if (dev->flags & MLX4_FLAG_MSI_X)
-			pci_disable_msix(pdev);
-		if (num_vfs && (dev->flags & MLX4_FLAG_SRIOV)) {
-			mlx4_warn(dev, "Disabling sriov\n");
-			pci_disable_sriov(pdev);
-		}
-
-		if (!mlx4_is_slave(dev))
-			mlx4_free_ownership(dev);
-		kfree(priv);
-		pci_release_regions(pdev);
-		pci_disable_device(pdev);
-		pci_set_drvdata(pdev, NULL);
-	}
+	__mlx4_remove_one(pdev);
+	kfree(priv);
+	pci_set_drvdata(pdev, NULL);
 }
 
 int mlx4_restart_one(struct pci_dev *pdev)
 {
-	mlx4_remove_one(pdev);
-	return __mlx4_init_one(pdev, NULL);
+	struct mlx4_dev	 *dev  = pci_get_drvdata(pdev);
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int		  pci_dev_data;
+
+	pci_dev_data = priv->pci_dev_data;
+	__mlx4_remove_one(pdev);
+	return __mlx4_init_one(pdev, pci_dev_data);
 }
 
 static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = {
@@ -2138,11 +2160,11 @@
 	/* MT26478 ConnectX2 40GigE PCIe gen2 */
 	{ PCI_VDEVICE(MELLANOX, 0x676e), 0 },
 	/* MT25400 Family [ConnectX-2 Virtual Function] */
-	{ PCI_VDEVICE(MELLANOX, 0x1002), MLX4_VF },
+	{ PCI_VDEVICE(MELLANOX, 0x1002), MLX4_PCI_DEV_IS_VF },
 	/* MT27500 Family [ConnectX-3] */
 	{ PCI_VDEVICE(MELLANOX, 0x1003), 0 },
 	/* MT27500 Family [ConnectX-3 Virtual Function] */
-	{ PCI_VDEVICE(MELLANOX, 0x1004), MLX4_VF },
+	{ PCI_VDEVICE(MELLANOX, 0x1004), MLX4_PCI_DEV_IS_VF },
 	{ PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */
 	{ PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */
 	{ PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 2a0ff2c..a3ef1df 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -711,6 +711,10 @@
 	struct list_head steer_entries[MLX4_NUM_STEERS];
 };
 
+enum {
+	MLX4_PCI_DEV_IS_VF              = 1 << 0,
+};
+
 struct mlx4_priv {
 	struct mlx4_dev		dev;
 
@@ -718,6 +722,9 @@
 	struct list_head	ctx_list;
 	spinlock_t		ctx_lock;
 
+	int			pci_dev_data;
+	int                     removed;
+
 	struct list_head        pgdir_list;
 	struct mutex            pgdir_mutex;
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index d69fee4..8df3c4b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -301,7 +301,6 @@
 	struct mlx4_cq          mcq;
 	struct mlx4_hwq_resources wqres;
 	int                     ring;
-	spinlock_t              lock;
 	struct net_device      *dev;
 	struct napi_struct	napi;
 	/* Per-core Tx cq processing support */
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 8e2ac64..ed6ec51 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -1086,6 +1086,24 @@
 	return vp;
 }
 
+static void vnet_cleanup(void)
+{
+	struct vnet *vp;
+	struct net_device *dev;
+
+	mutex_lock(&vnet_list_mutex);
+	while (!list_empty(&vnet_list)) {
+		vp = list_first_entry(&vnet_list, struct vnet, list);
+		list_del(&vp->list);
+		dev = vp->dev;
+		/* vio_unregister_driver() should have cleaned up port_list */
+		BUG_ON(!list_empty(&vp->port_list));
+		unregister_netdev(dev);
+		free_netdev(dev);
+	}
+	mutex_unlock(&vnet_list_mutex);
+}
+
 static const char *local_mac_prop = "local-mac-address";
 
 static struct vnet * __devinit vnet_find_parent(struct mdesc_handle *hp,
@@ -1244,7 +1262,6 @@
 
 		kfree(port);
 
-		unregister_netdev(vp->dev);
 	}
 	return 0;
 }
@@ -1272,6 +1289,7 @@
 static void __exit vnet_exit(void)
 {
 	vio_unregister_driver(&vnet_port_driver);
+	vnet_cleanup();
 }
 
 module_init(vnet_init);
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 7160523..6749acf 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -237,11 +237,9 @@
 	const struct macvlan_dev *vlan = netdev_priv(dev);
 	const struct macvlan_port *port = vlan->port;
 	const struct macvlan_dev *dest;
-	__u8 ip_summed = skb->ip_summed;
 
 	if (vlan->mode == MACVLAN_MODE_BRIDGE) {
 		const struct ethhdr *eth = (void *)skb->data;
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 		/* send to other bridge ports directly */
 		if (is_multicast_ether_addr(eth->h_dest)) {
@@ -259,7 +257,6 @@
 	}
 
 xmit_world:
-	skb->ip_summed = ip_summed;
 	skb->dev = vlan->lowerdev;
 	return dev_queue_xmit(skb);
 }
@@ -458,6 +455,7 @@
 				  (lowerdev->state & MACVLAN_STATE_MASK);
 	dev->features 		= lowerdev->features & MACVLAN_FEATURES;
 	dev->features		|= NETIF_F_LLTX;
+	dev->vlan_features	= lowerdev->vlan_features & MACVLAN_FEATURES;
 	dev->gso_max_size	= lowerdev->gso_max_size;
 	dev->iflink		= lowerdev->ifindex;
 	dev->hard_header_len	= lowerdev->hard_header_len;
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index bac88c2..fbe75a7 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -681,7 +681,7 @@
 		po->chan.hdrlen = (sizeof(struct pppoe_hdr) +
 				   dev->hard_header_len);
 
-		po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr);
+		po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr) - 2;
 		po->chan.private = sk;
 		po->chan.ops = &pppoe_chan_ops;
 
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 8327cc5..9f047a0 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -281,7 +281,7 @@
 	nf_reset(skb);
 
 	skb->ip_summed = CHECKSUM_NONE;
-	ip_select_ident(skb, &rt->dst, NULL);
+	ip_select_ident(skb, NULL);
 	ip_send_check(iph);
 
 	ip_local_out(skb);
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 8f81805..d16800f 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -889,6 +889,7 @@
 	 * to traverse list in reverse under rcu_read_lock
 	 */
 	mutex_lock(&team->lock);
+	team->port_mtu_change_allowed = true;
 	list_for_each_entry(port, &team->port_list, list) {
 		err = dev_set_mtu(port->dev, new_mtu);
 		if (err) {
@@ -897,6 +898,7 @@
 			goto unwind;
 		}
 	}
+	team->port_mtu_change_allowed = false;
 	mutex_unlock(&team->lock);
 
 	dev->mtu = new_mtu;
@@ -906,6 +908,7 @@
 unwind:
 	list_for_each_entry_continue_reverse(port, &team->port_list, list)
 		dev_set_mtu(port->dev, dev->mtu);
+	team->port_mtu_change_allowed = false;
 	mutex_unlock(&team->lock);
 
 	return err;
@@ -1671,7 +1674,9 @@
 		break;
 	case NETDEV_CHANGEMTU:
 		/* Forbid to change mtu of underlaying device */
-		return NOTIFY_BAD;
+		if (!port->team->port_mtu_change_allowed)
+			return NOTIFY_BAD;
+		break;
 	case NETDEV_PRE_TYPE_CHANGE:
 		/* Forbid to change type of underlaying device */
 		return NOTIFY_BAD;
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index ef84a58..e3e0ca1 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -183,6 +183,17 @@
 	__le16 res3;
 } __packed;
 
+struct asix_rx_fixup_info {
+	struct sk_buff *ax_skb;
+	u32 header;
+	u16 size;
+	bool split_head;
+};
+
+struct asix_common_private {
+	struct asix_rx_fixup_info rx_fixup_info;
+};
+
 static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 			    u16 size, void *data)
 {
@@ -304,49 +315,89 @@
 	}
 }
 
-static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+static int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
+				  struct asix_rx_fixup_info *rx)
 {
 	int offset = 0;
 
-	while (offset + sizeof(u32) < skb->len) {
-		struct sk_buff *ax_skb;
-		u16 size;
-		u32 header = get_unaligned_le32(skb->data + offset);
+	while (offset + sizeof(u16) <= skb->len) {
+		u16 remaining = 0;
+		unsigned char *data;
 
-		offset += sizeof(u32);
+		if (!rx->size) {
+			if ((skb->len - offset == sizeof(u16)) ||
+			    rx->split_head) {
+				if (!rx->split_head) {
+					rx->header = get_unaligned_le16(
+							skb->data + offset);
+					rx->split_head = true;
+					offset += sizeof(u16);
+					break;
+				} else {
+					rx->header |= (get_unaligned_le16(
+							skb->data + offset)
+							<< 16);
+					rx->split_head = false;
+					offset += sizeof(u16);
+				}
+			} else {
+				rx->header = get_unaligned_le32(skb->data +
+								offset);
+				offset += sizeof(u32);
+			}
 
-		/* get the packet length */
-		size = (u16) (header & 0x7ff);
-		if (size != ((~header >> 16) & 0x07ff)) {
-			netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
-			return 0;
+			/* get the packet length */
+			rx->size = (u16) (rx->header & 0x7ff);
+			if (rx->size != ((~rx->header >> 16) & 0x7ff)) {
+				netdev_err(dev->net, "asix_rx_fixup() Bad Header Length 0x%x, offset %d\n",
+					   rx->header, offset);
+				rx->size = 0;
+				return 0;
+			}
+			rx->ax_skb = netdev_alloc_skb_ip_align(dev->net,
+							       rx->size);
+			if (!rx->ax_skb)
+				return 0;
 		}
 
-		if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
-		    (size + offset > skb->len)) {
+		if (rx->size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
 			netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
-				   size);
+				   rx->size);
+			kfree_skb(rx->ax_skb);
 			return 0;
 		}
-		ax_skb = netdev_alloc_skb_ip_align(dev->net, size);
-		if (!ax_skb)
-			return 0;
 
-		skb_put(ax_skb, size);
-		memcpy(ax_skb->data, skb->data + offset, size);
-		usbnet_skb_return(dev, ax_skb);
+		if (rx->size > skb->len - offset) {
+			remaining = rx->size - (skb->len - offset);
+			rx->size = skb->len - offset;
+		}
 
-		offset += (size + 1) & 0xfffe;
+		data = skb_put(rx->ax_skb, rx->size);
+		memcpy(data, skb->data + offset, rx->size);
+		if (!remaining)
+			usbnet_skb_return(dev, rx->ax_skb);
+
+		offset += (rx->size + 1) & 0xfffe;
+		rx->size = remaining;
 	}
 
 	if (skb->len != offset) {
-		netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d\n",
-			   skb->len);
+		netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d, %d\n",
+			   skb->len, offset);
 		return 0;
 	}
+
 	return 1;
 }
 
+static int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb)
+{
+	struct asix_common_private *dp = dev->driver_priv;
+	struct asix_rx_fixup_info *rx = &dp->rx_fixup_info;
+
+	return asix_rx_fixup_internal(dev, skb, rx);
+}
+
 static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
 					gfp_t flags)
 {
@@ -1110,9 +1161,19 @@
 		dev->rx_urb_size = 2048;
 	}
 
+	dev->driver_priv = kzalloc(sizeof(struct asix_common_private),
+				   GFP_KERNEL);
+	if (!dev->driver_priv)
+		return -ENOMEM;
+
 	return 0;
 }
 
+static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+	kfree(dev->driver_priv);
+}
+
 static const struct ethtool_ops ax88178_ethtool_ops = {
 	.get_drvinfo		= asix_get_drvinfo,
 	.get_link		= asix_get_link,
@@ -1445,6 +1506,11 @@
 		dev->rx_urb_size = 2048;
 	}
 
+	dev->driver_priv = kzalloc(sizeof(struct asix_common_private),
+				   GFP_KERNEL);
+	if (!dev->driver_priv)
+		return -ENOMEM;
+
 	return 0;
 }
 
@@ -1491,22 +1557,26 @@
 static const struct driver_info ax88772_info = {
 	.description = "ASIX AX88772 USB 2.0 Ethernet",
 	.bind = ax88772_bind,
+	.unbind = ax88772_unbind,
 	.status = asix_status,
 	.link_reset = ax88772_link_reset,
 	.reset = ax88772_reset,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
-	.rx_fixup = asix_rx_fixup,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+		 FLAG_MULTI_PACKET,
+	.rx_fixup = asix_rx_fixup_common,
 	.tx_fixup = asix_tx_fixup,
 };
 
 static const struct driver_info ax88178_info = {
 	.description = "ASIX AX88178 USB 2.0 Ethernet",
 	.bind = ax88178_bind,
+	.unbind = ax88772_unbind,
 	.status = asix_status,
 	.link_reset = ax88178_link_reset,
 	.reset = ax88178_reset,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
-	.rx_fixup = asix_rx_fixup,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+		 FLAG_MULTI_PACKET,
+	.rx_fixup = asix_rx_fixup_common,
 	.tx_fixup = asix_tx_fixup,
 };
 
diff --git a/drivers/net/usb/gl620a.c b/drivers/net/usb/gl620a.c
index 38266bd..71e0b99 100644
--- a/drivers/net/usb/gl620a.c
+++ b/drivers/net/usb/gl620a.c
@@ -86,6 +86,10 @@
 	u32			size;
 	u32			count;
 
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len)
+		return 0;
+
 	header = (struct gl_header *) skb->data;
 
 	// get the packet count of the received skb
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index c434b6b..21a9377 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -601,8 +601,9 @@
 {
 	u8 status;
 
-	if (skb->len == 0) {
-		dev_err(&dev->udev->dev, "unexpected empty rx frame\n");
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len) {
+		dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
 		return 0;
 	}
 
diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c
index 83f965c..006a142 100644
--- a/drivers/net/usb/net1080.c
+++ b/drivers/net/usb/net1080.c
@@ -419,6 +419,10 @@
 	struct nc_trailer	*trailer;
 	u16			hdr_len, packet_len;
 
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len)
+		return 0;
+
 	if (!(skb->len & 0x01)) {
 #ifdef DEBUG
 		struct net_device	*net = dev->net;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 3b6e932..387ecec 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -202,10 +202,10 @@
 {
 	__be16 proto;
 
-	/* usbnet rx_complete guarantees that skb->len is at least
-	 * hard_header_len, so we can inspect the dest address without
-	 * checking skb->len
-	 */
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len)
+		return 0;
+
 	switch (skb->data[0] & 0xf0) {
 	case 0x40:
 		proto = htons(ETH_P_IP);
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index c8f1b5b..bf4c0979c 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -490,6 +490,10 @@
  */
 int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 {
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len)
+		return 0;
+
 	/* peripheral may have batched packets to us... */
 	while (likely(skb->len)) {
 		struct rndis_data_hdr	*hdr = (void *)skb->data;
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index d89747a..5a82fcd 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -1093,6 +1093,10 @@
 
 static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 {
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len)
+		return 0;
+
 	while (skb->len > 0) {
 		u32 rx_cmd_a, rx_cmd_b, align_count, size;
 		struct sk_buff *ax_skb;
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 94ae669..13f5071 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1041,6 +1041,10 @@
 
 static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 {
+	/* This check is no longer done by usbnet */
+	if (skb->len < dev->net->hard_header_len)
+		return 0;
+
 	while (skb->len > 0) {
 		u32 header, align_count;
 		struct sk_buff *ax_skb;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index d7c5df1..92013da 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -432,17 +432,19 @@
 	}
 	// else network stack removes extra byte if we forced a short packet
 
-	if (skb->len) {
-		/* all data was already cloned from skb inside the driver */
-		if (dev->driver_info->flags & FLAG_MULTI_PACKET)
-			dev_kfree_skb_any(skb);
-		else
-			usbnet_skb_return(dev, skb);
+	/* all data was already cloned from skb inside the driver */
+	if (dev->driver_info->flags & FLAG_MULTI_PACKET)
+		goto done;
+
+	if (skb->len < ETH_HLEN) {
+		dev->net->stats.rx_errors++;
+		dev->net->stats.rx_length_errors++;
+		netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len);
+	} else {
+		usbnet_skb_return(dev, skb);
 		return;
 	}
 
-	netif_dbg(dev, rx_err, dev->net, "drop\n");
-	dev->net->stats.rx_errors++;
 done:
 	skb_queue_tail(&dev->done, skb);
 }
@@ -464,13 +466,6 @@
 	switch (urb_status) {
 	/* success */
 	case 0:
-		if (skb->len < dev->net->hard_header_len) {
-			state = rx_cleanup;
-			dev->net->stats.rx_errors++;
-			dev->net->stats.rx_length_errors++;
-			netif_dbg(dev, rx_err, dev->net,
-				  "rx length %d\n", skb->len);
-		}
 		break;
 
 	/* stalls need manual reset. this is rare ... except that
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 795b80e..6de7ca0 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1084,7 +1084,8 @@
 	/* If we can receive ANY GSO packets, we must allocate large ones. */
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
 	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
-	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN))
+	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) ||
+	    virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO))
 		vi->big_packets = true;
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 3f04ba0..d43df93 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1729,11 +1729,20 @@
 {
 	struct vmxnet3_adapter *adapter = netdev_priv(netdev);
 
-	if (adapter->intr.mask_mode == VMXNET3_IMM_ACTIVE)
-		vmxnet3_disable_all_intrs(adapter);
-
-	vmxnet3_do_poll(adapter, adapter->rx_queue[0].rx_ring[0].size);
-	vmxnet3_enable_all_intrs(adapter);
+	switch (adapter->intr.type) {
+#ifdef CONFIG_PCI_MSI
+	case VMXNET3_IT_MSIX: {
+		int i;
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			vmxnet3_msix_rx(0, &adapter->rx_queue[i]);
+		break;
+	}
+#endif
+	case VMXNET3_IT_MSI:
+	default:
+		vmxnet3_intr(0, adapter->netdev);
+		break;
+	}
 
 }
 #endif	/* CONFIG_NET_POLL_CONTROLLER */
diff --git a/drivers/net/wimax/i2400m/usb-rx.c b/drivers/net/wimax/i2400m/usb-rx.c
index e325768..b78ee67 100644
--- a/drivers/net/wimax/i2400m/usb-rx.c
+++ b/drivers/net/wimax/i2400m/usb-rx.c
@@ -277,7 +277,7 @@
 		d_printf(1, dev, "RX: size changed to %d, received %d, "
 			 "copied %d, capacity %ld\n",
 			 rx_size, read_size, rx_skb->len,
-			 (long) (skb_end_pointer(new_skb) - new_skb->head));
+			 (long) skb_end_offset(new_skb));
 		goto retry;
 	}
 		/* In most cases, it happens due to the hardware scheduling a
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 6bb4db0..6f2fff3 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3592,7 +3592,7 @@
 static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
 {
 	int chain;
-	u32 regval;
+	u32 regval, value;
 	u32 ant_div_ctl1;
 	static const u32 switch_chain_reg[AR9300_MAX_CHAINS] = {
 			AR_PHY_SWITCH_CHAIN_0,
@@ -3600,7 +3600,11 @@
 			AR_PHY_SWITCH_CHAIN_2,
 	};
 
-	u32 value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
+	if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0))
+		ath9k_hw_cfg_output(ah, AR9300_EXT_LNA_CTL_GPIO_AR9485,
+				    AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED);
+
+	value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
 
 	if (AR_SREV_9462(ah)) {
 		REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_hw.c b/drivers/net/wireless/ath/ath9k/ar9003_hw.c
index 0f56e32..42ad784 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_hw.c
@@ -33,9 +33,6 @@
  */
 static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
 {
-#define PCIE_PLL_ON_CREQ_DIS_L1_2P0 \
-		ar9462_pciephy_pll_on_clkreq_disable_L1_2p0
-
 #define AR9462_BB_CTX_COEFJ(x)	\
 		ar9462_##x##_baseband_core_txfir_coeff_japan_2484
 
@@ -312,13 +309,13 @@
 
 		/* Awake -> Sleep Setting */
 		INIT_INI_ARRAY(&ah->iniPcieSerdes,
-				PCIE_PLL_ON_CREQ_DIS_L1_2P0,
-				ARRAY_SIZE(PCIE_PLL_ON_CREQ_DIS_L1_2P0),
+				ar9462_pciephy_clkreq_disable_L1_2p0,
+				ARRAY_SIZE(ar9462_pciephy_clkreq_disable_L1_2p0),
 				2);
 		/* Sleep -> Awake Setting */
 		INIT_INI_ARRAY(&ah->iniPcieSerdesLowPower,
-				PCIE_PLL_ON_CREQ_DIS_L1_2P0,
-				ARRAY_SIZE(PCIE_PLL_ON_CREQ_DIS_L1_2P0),
+				ar9462_pciephy_clkreq_disable_L1_2p0,
+				ARRAY_SIZE(ar9462_pciephy_clkreq_disable_L1_2p0),
 				2);
 
 		/* Fast clock modal settings */
@@ -637,8 +634,8 @@
 				2);
 	else if (AR_SREV_9485_11(ah))
 		INIT_INI_ARRAY(&ah->iniModesRxGain,
-				ar9485Common_wo_xlna_rx_gain_1_1,
-				ARRAY_SIZE(ar9485Common_wo_xlna_rx_gain_1_1),
+			       ar9485_common_rx_gain_1_1,
+			       ARRAY_SIZE(ar9485_common_rx_gain_1_1),
 				2);
 	else if (AR_SREV_9580(ah))
 		INIT_INI_ARRAY(&ah->iniModesRxGain,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 503ff9f..8783500 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -545,33 +545,20 @@
 
 void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 {
-	switch (rx) {
-	case 0x5:
+	if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5)
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
-	case 0x3:
-	case 0x1:
-	case 0x2:
-	case 0x7:
-		REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
-		REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
-		break;
-	default:
-		break;
-	}
+
+	REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
+	REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
 
 	if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
-		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
+		tx = 3;
 	else if (AR_SREV_9462(ah))
 		/* xxx only when MCI support is enabled */
-		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
-	else
-		REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+		tx = 3;
 
-	if (tx == 0x5) {
-		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
-			    AR_PHY_SWAP_ALT_CHAIN);
-	}
+	REG_WRITE(ah, AR_SELFGEN_MASK, tx);
 }
 
 /*
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index d834d97..6402b9e 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -339,6 +339,8 @@
 
 #define AR_PHY_CCA_NOM_VAL_9330_2GHZ          -118
 
+#define AR9300_EXT_LNA_CTL_GPIO_AR9485 9
+
 /*
  * AGC Field Definitions
  */
diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
index b6ba1e8..1596002 100644
--- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h
@@ -55,7 +55,7 @@
 	{0x00009e14, 0x37b95d5e, 0x37b9605e, 0x3376605e, 0x33795d5e},
 	{0x00009e18, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
 	{0x00009e1c, 0x0001cf9c, 0x0001cf9c, 0x00021f9c, 0x00021f9c},
-	{0x00009e20, 0x000003b5, 0x000003b5, 0x000003ce, 0x000003ce},
+	{0x00009e20, 0x000003a5, 0x000003a5, 0x000003a5, 0x000003a5},
 	{0x00009e2c, 0x0000001c, 0x0000001c, 0x00000021, 0x00000021},
 	{0x00009e3c, 0xcf946220, 0xcf946220, 0xcfd5c782, 0xcfd5c282},
 	{0x00009e44, 0x62321e27, 0x62321e27, 0xfe291e27, 0xfe291e27},
@@ -94,7 +94,7 @@
 	{0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x00100000},
 	{0x0000ae18, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
 	{0x0000ae1c, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c},
-	{0x0000ae20, 0x000001b5, 0x000001b5, 0x000001ce, 0x000001ce},
+	{0x0000ae20, 0x000001a6, 0x000001a6, 0x000001aa, 0x000001aa},
 	{0x0000b284, 0x00000000, 0x00000000, 0x00000550, 0x00000550},
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 85e7453..a393e87 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -410,6 +410,7 @@
 
 	ah->caldata->channel = chan->channel;
 	ah->caldata->channelFlags = chan->channelFlags & ~CHANNEL_CW_INT;
+	ah->caldata->chanmode = chan->chanmode;
 	h = ah->caldata->nfCalHist;
 	default_nf = ath9k_hw_get_default_nf(ah, chan);
 	for (i = 0; i < NUM_NF_READINGS; i++) {
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 1357952..17f687b 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -22,6 +22,7 @@
 #include <linux/firmware.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
+#include <linux/etherdevice.h>
 #include <linux/leds.h>
 #include <linux/slab.h>
 #include <net/mac80211.h>
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index b290a8e..6596a23 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -1077,15 +1077,19 @@
 
 	last_rssi = priv->rx.last_rssi;
 
-	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-		rxbuf->rxstatus.rs_rssi = ATH_EP_RND(last_rssi,
-						     ATH_RSSI_EP_MULTIPLIER);
+	if (ieee80211_is_beacon(hdr->frame_control) &&
+	    !is_zero_ether_addr(common->curbssid) &&
+	    compare_ether_addr(hdr->addr3, common->curbssid) == 0) {
+		s8 rssi = rxbuf->rxstatus.rs_rssi;
 
-	if (rxbuf->rxstatus.rs_rssi < 0)
-		rxbuf->rxstatus.rs_rssi = 0;
+		if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+			rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
 
-	if (ieee80211_is_beacon(fc))
-		priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi;
+		if (rssi < 0)
+			rssi = 0;
+
+		priv->ah->stats.avgbrssi = rssi;
+	}
 
 	rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index da23326..4b87011 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1639,7 +1639,8 @@
 	if (caldata &&
 	    (chan->channel != caldata->channel ||
 	     (chan->channelFlags & ~CHANNEL_CW_INT) !=
-	     (caldata->channelFlags & ~CHANNEL_CW_INT))) {
+	     (caldata->channelFlags & ~CHANNEL_CW_INT) ||
+	     chan->chanmode != caldata->chanmode)) {
 		/* Operating channel changed, reset channel calibration data */
 		memset(caldata, 0, sizeof(*caldata));
 		ath9k_init_nfcal_hist_buffer(ah, chan);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index d5c5dca..f49be96 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -361,6 +361,7 @@
 struct ath9k_hw_cal_data {
 	u16 channel;
 	u32 channelFlags;
+	u32 chanmode;
 	int32_t CalValid;
 	int8_t iCoff;
 	int8_t qCoff;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index b6d1ac9..ef26056 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1614,13 +1614,6 @@
 		ath_update_survey_stats(sc);
 		spin_unlock_irqrestore(&common->cc_lock, flags);
 
-		/*
-		 * Preserve the current channel values, before updating
-		 * the same channel
-		 */
-		if (ah->curchan && (old_pos == pos))
-			ath9k_hw_getnf(ah, ah->curchan);
-
 		ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
 					  curchan, conf->channel_type);
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3d0aa47..1a5f275 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1242,14 +1242,16 @@
 	for (tidno = 0, tid = &an->tid[tidno];
 	     tidno < WME_NUM_TID; tidno++, tid++) {
 
-		if (!tid->sched)
-			continue;
-
 		ac = tid->ac;
 		txq = ac->txq;
 
 		ath_txq_lock(sc, txq);
 
+		if (!tid->sched) {
+			ath_txq_unlock(sc, txq);
+			continue;
+		}
+
 		buffered = !skb_queue_empty(&tid->buf_q);
 
 		tid->sched = false;
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 3876c7e..af40211 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -28,7 +28,7 @@
 
 config B43_BCMA
 	bool "Support for BCMA bus"
-	depends on B43 && BCMA
+	depends on B43 && (BCMA = y || BCMA = B43)
 	default y
 
 config B43_BCMA_EXTRA
@@ -39,7 +39,7 @@
 
 config B43_SSB
 	bool
-	depends on B43 && SSB
+	depends on B43 && (SSB = y || SSB = B43)
 	default y
 
 # Auto-select SSB PCI-HOST support, if possible
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 4ce3e1f..547964d 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -4599,22 +4599,22 @@
 	int ch = new_channel->hw_value;
 
 	u16 old_band_5ghz;
-	u32 tmp32;
+	u16 tmp16;
 
 	old_band_5ghz =
 		b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
 	if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
-		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
-		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
+		tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
+		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
 		b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
-		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
+		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
 		b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
 	} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
 		b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
-		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
-		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
+		tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
+		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
 		b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
-		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
+		b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
 	}
 
 	b43_chantab_phy_upload(dev, e);
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 9db0f8e..ad39611 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -808,9 +808,13 @@
 		break;
 	case B43_PHYTYPE_G:
 		status.band = IEEE80211_BAND_2GHZ;
-		/* chanid is the radio channel cookie value as used
-		 * to tune the radio. */
-		status.freq = chanid + 2400;
+		/* Somewhere between 478.104 and 508.1084 firmware for G-PHY
+		 * has been modified to be compatible with N-PHY and others.
+		 */
+		if (dev->fw.rev >= 508)
+			status.freq = ieee80211_channel_to_frequency(chanid, status.band);
+		else
+			status.freq = chanid + 2400;
 		break;
 	case B43_PHYTYPE_N:
 	case B43_PHYTYPE_LP:
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 2067bdf..dd6dce2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -459,6 +459,12 @@
 	.ht_params = &iwl6000_ht_params,
 };
 
+const struct iwl_cfg iwl6035_2agn_sff_cfg = {
+	.name = "Intel(R) Centrino(R) Ultimate-N 6235 AGN",
+	IWL_DEVICE_6035,
+	.ht_params = &iwl6000_ht_params,
+};
+
 const struct iwl_cfg iwl1030_bgn_cfg = {
 	.name = "Intel(R) Centrino(R) Wireless-N 1030 BGN",
 	IWL_DEVICE_6030,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 2a9a16f..69d2de1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -680,7 +680,7 @@
 					 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
 		if (ret)
 			return ret;
-	} else {
+	} else if (priv->shrd->cfg->bt_params) {
 		/*
 		 * default is 2-wire BT coexexistence support
 		 */
diff --git a/drivers/net/wireless/iwlwifi/iwl-cfg.h b/drivers/net/wireless/iwlwifi/iwl-cfg.h
index 8215231..a133e9e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-cfg.h
+++ b/drivers/net/wireless/iwlwifi/iwl-cfg.h
@@ -106,6 +106,7 @@
 extern const struct iwl_cfg iwl2000_2bgn_d_cfg;
 extern const struct iwl_cfg iwl2030_2bgn_cfg;
 extern const struct iwl_cfg iwl6035_2agn_cfg;
+extern const struct iwl_cfg iwl6035_2agn_sff_cfg;
 extern const struct iwl_cfg iwl105_bgn_cfg;
 extern const struct iwl_cfg iwl105_bgn_d_cfg;
 extern const struct iwl_cfg iwl135_bgn_cfg;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 46490d3..75ebb82 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -801,7 +801,10 @@
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
-	if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
+	if (!test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
+		return;
+
+	if (ctx->vif)
 		ieee80211_chswitch_done(ctx->vif, is_success);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 2bbaebd..d587bcd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -227,6 +227,9 @@
 	const struct fw_img *img;
 	size_t bufsz;
 
+	if (!iwl_is_ready_rf(priv))
+		return -EAGAIN;
+
 	/* default is to dump the entire data segment */
 	if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 		priv->dbgfs_sram_offset = 0x800000;
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index c5e339e..1b90471 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -138,13 +138,16 @@
 
 /* 6x00 Series */
 	{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x422B, 0x1108, iwl6000_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x422B, 0x1128, iwl6000_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
 	{IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
 	{IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
 	{IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
+	{IWL_PCI_DEVICE(0x4238, 0x1118, iwl6000_3agn_cfg)},
 	{IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
 
@@ -152,12 +155,16 @@
 	{IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1308, iwl6005_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x0082, 0x1328, iwl6005_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x0085, 0x1318, iwl6005_2agn_cfg)},
 	{IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
 	{IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
+	{IWL_PCI_DEVICE(0x0085, 0xC228, iwl6005_2agn_sff_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x4820, iwl6005_2agn_d_cfg)},
 	{IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_mow1_cfg)},/* low 5GHz active */
 	{IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_mow2_cfg)},/* high 5GHz active */
@@ -239,8 +246,11 @@
 
 /* 6x35 Series */
 	{IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x406A, iwl6035_2agn_sff_cfg)},
 	{IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088F, 0x426A, iwl6035_2agn_sff_cfg)},
 	{IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x446A, iwl6035_2agn_sff_cfg)},
 	{IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
 
 /* 105 Series */
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
index 3b844b7..9ae2b49 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
@@ -209,6 +209,15 @@
 #define TFD_TX_CMD_SLOTS 256
 #define TFD_CMD_SLOTS 32
 
+/*
+ * The FH will write back to the first TB only, so we need
+ * to copy some data into the buffer regardless of whether
+ * it should be mapped or not. This indicates how much to
+ * copy, even for HCMDs it must be big enough to fit the
+ * DRAM scratch from the TX cmd, at least 16 bytes.
+ */
+#define IWL_HCMD_MIN_COPY_SIZE	16
+
 struct iwl_tx_queue {
 	struct iwl_queue q;
 	struct iwl_tfd *tfds;
@@ -352,7 +361,7 @@
 ******************************************************/
 int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
 			    char **buf, bool display);
-int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display);
+int iwl_dump_fh(struct iwl_trans *trans, char **buf);
 void iwl_dump_csr(struct iwl_trans *trans);
 
 /*****************************************************
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
index aa7aea1..7bcaeaf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
@@ -315,6 +315,14 @@
 		rxb->page_dma = dma_map_page(trans->dev, page, 0,
 				PAGE_SIZE << hw_params(trans).rx_page_order,
 				DMA_FROM_DEVICE);
+		if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+			rxb->page = NULL;
+			spin_lock_irqsave(&rxq->lock, flags);
+			list_add(&rxb->list, &rxq->rx_used);
+			spin_unlock_irqrestore(&rxq->lock, flags);
+			__free_pages(page, hw_params(trans).rx_page_order);
+			return;
+		}
 		/* dma address must be no more than 36 bits */
 		BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
 		/* and also 256 byte aligned! */
@@ -450,8 +458,19 @@
 			dma_map_page(trans->dev, rxb->page, 0,
 				PAGE_SIZE << hw_params(trans).rx_page_order,
 				DMA_FROM_DEVICE);
-		list_add_tail(&rxb->list, &rxq->rx_free);
-		rxq->free_count++;
+		if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+			/*
+			 * free the page(s) as well to not break
+			 * the invariant that the items on the used
+			 * list have no page(s)
+			 */
+			__free_pages(rxb->page, hw_params(trans).rx_page_order);
+			rxb->page = NULL;
+			list_add_tail(&rxb->list, &rxq->rx_used);
+		} else {
+			list_add_tail(&rxb->list, &rxq->rx_free);
+			rxq->free_count++;
+		}
 	} else
 		list_add_tail(&rxb->list, &rxq->rx_used);
 	spin_unlock_irqrestore(&rxq->lock, flags);
@@ -695,7 +714,7 @@
 
 	iwl_dump_nic_error_log(trans);
 	iwl_dump_csr(trans);
-	iwl_dump_fh(trans, NULL, false);
+	iwl_dump_fh(trans, NULL);
 	iwl_dump_nic_event_log(trans, false, NULL, false);
 
 	iwl_op_mode_nic_error(trans->op_mode);
@@ -1264,12 +1283,20 @@
 	 *    back-to-back ISRs and sporadic interrupts from our NIC.
 	 * If we have something to service, the tasklet will re-enable ints.
 	 * If we *don't* have something, we'll re-enable before leaving here. */
-	inta_mask = iwl_read32(trans, CSR_INT_MASK);  /* just for debug */
+	inta_mask = iwl_read32(trans, CSR_INT_MASK);
 	iwl_write32(trans, CSR_INT_MASK, 0x00000000);
 
 	/* Discover which interrupts are active/pending */
 	inta = iwl_read32(trans, CSR_INT);
 
+	if (inta & (~inta_mask)) {
+		IWL_DEBUG_ISR(trans,
+			      "We got a masked interrupt (0x%08x)...Ack and ignore\n",
+			      inta & (~inta_mask));
+		iwl_write32(trans, CSR_INT, inta & (~inta_mask));
+		inta &= inta_mask;
+	}
+
 	/* Ignore interrupt if there's nothing in NIC to service.
 	 * This may be due to IRQ shared with another device,
 	 * or due to sporadic interrupts thrown from our NIC. */
@@ -1353,7 +1380,7 @@
 	 * If we have something to service, the tasklet will re-enable ints.
 	 * If we *don't* have something, we'll re-enable before leaving here.
 	 */
-	inta_mask = iwl_read32(trans, CSR_INT_MASK);  /* just for debug */
+	inta_mask = iwl_read32(trans, CSR_INT_MASK);
 	iwl_write32(trans, CSR_INT_MASK, 0x00000000);
 
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
index d7964b1..ba38ace 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
@@ -677,10 +677,12 @@
 	struct iwl_cmd_meta *out_meta;
 	dma_addr_t phys_addr;
 	u32 idx;
-	u16 copy_size, cmd_size;
+	u16 copy_size, cmd_size, dma_size;
 	bool had_nocopy = false;
 	int i;
 	u8 *cmd_dest;
+	const u8 *cmddata[IWL_MAX_CMD_TFDS];
+	u16 cmdlen[IWL_MAX_CMD_TFDS];
 #ifdef CONFIG_IWLWIFI_DEVICE_TRACING
 	const void *trace_bufs[IWL_MAX_CMD_TFDS + 1] = {};
 	int trace_lens[IWL_MAX_CMD_TFDS + 1] = {};
@@ -699,15 +701,30 @@
 	BUILD_BUG_ON(IWL_MAX_CMD_TFDS > IWL_NUM_OF_TBS - 1);
 
 	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
+		cmddata[i] = cmd->data[i];
+		cmdlen[i] = cmd->len[i];
+
 		if (!cmd->len[i])
 			continue;
+
+		/* need at least IWL_HCMD_MIN_COPY_SIZE copied */
+		if (copy_size < IWL_HCMD_MIN_COPY_SIZE) {
+			int copy = IWL_HCMD_MIN_COPY_SIZE - copy_size;
+
+			if (copy > cmdlen[i])
+				copy = cmdlen[i];
+			cmdlen[i] -= copy;
+			cmddata[i] += copy;
+			copy_size += copy;
+		}
+
 		if (cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY) {
 			had_nocopy = true;
 		} else {
 			/* NOCOPY must not be followed by normal! */
 			if (WARN_ON(had_nocopy))
 				return -EINVAL;
-			copy_size += cmd->len[i];
+			copy_size += cmdlen[i];
 		}
 		cmd_size += cmd->len[i];
 	}
@@ -750,13 +767,30 @@
 	/* and copy the data that needs to be copied */
 
 	cmd_dest = out_cmd->payload;
+	copy_size = sizeof(out_cmd->hdr);
 	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
-		if (!cmd->len[i])
+		int copy = 0;
+
+		if (!cmd->len)
 			continue;
-		if (cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY)
-			break;
-		memcpy(cmd_dest, cmd->data[i], cmd->len[i]);
-		cmd_dest += cmd->len[i];
+
+		/* need at least IWL_HCMD_MIN_COPY_SIZE copied */
+		if (copy_size < IWL_HCMD_MIN_COPY_SIZE) {
+			copy = IWL_HCMD_MIN_COPY_SIZE - copy_size;
+
+			if (copy > cmd->len[i])
+				copy = cmd->len[i];
+		}
+
+		/* copy everything if not nocopy/dup */
+		if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY))
+			copy = cmd->len[i];
+
+		if (copy) {
+			memcpy(cmd_dest, cmd->data[i], copy);
+			cmd_dest += copy;
+			copy_size += copy;
+		}
 	}
 
 	IWL_DEBUG_HC(trans, "Sending command %s (#%x), seq: 0x%04X, "
@@ -766,7 +800,14 @@
 			le16_to_cpu(out_cmd->hdr.sequence), cmd_size,
 			q->write_ptr, idx, trans_pcie->cmd_queue);
 
-	phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, copy_size,
+	/*
+	 * If the entire command is smaller than IWL_HCMD_MIN_COPY_SIZE, we must
+	 * still map at least that many bytes for the hardware to write back to.
+	 * We have enough space, so that's not a problem.
+	 */
+	dma_size = max_t(u16, copy_size, IWL_HCMD_MIN_COPY_SIZE);
+
+	phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, dma_size,
 				DMA_BIDIRECTIONAL);
 	if (unlikely(dma_mapping_error(trans->dev, phys_addr))) {
 		idx = -ENOMEM;
@@ -774,7 +815,7 @@
 	}
 
 	dma_unmap_addr_set(out_meta, mapping, phys_addr);
-	dma_unmap_len_set(out_meta, len, copy_size);
+	dma_unmap_len_set(out_meta, len, dma_size);
 
 	iwlagn_txq_attach_buf_to_tfd(trans, txq,
 					phys_addr, copy_size, 1);
@@ -784,14 +825,15 @@
 	trace_idx = 1;
 #endif
 
+	/* map the remaining (adjusted) nocopy/dup fragments */
 	for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
-		if (!cmd->len[i])
+		if (!cmdlen[i])
 			continue;
 		if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY))
 			continue;
 		phys_addr = dma_map_single(trans->dev,
-					   (void *)cmd->data[i],
-					   cmd->len[i], DMA_BIDIRECTIONAL);
+					   (void *)cmddata[i],
+					   cmdlen[i], DMA_BIDIRECTIONAL);
 		if (dma_mapping_error(trans->dev, phys_addr)) {
 			iwlagn_unmap_tfd(trans, out_meta,
 					 &txq->tfds[q->write_ptr],
@@ -801,10 +843,10 @@
 		}
 
 		iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr,
-					     cmd->len[i], 0);
+					     cmdlen[i], 0);
 #ifdef CONFIG_IWLWIFI_DEVICE_TRACING
-		trace_bufs[trace_idx] = cmd->data[i];
-		trace_lens[trace_idx] = cmd->len[i];
+		trace_bufs[trace_idx] = cmddata[i];
+		trace_lens[trace_idx] = cmdlen[i];
 		trace_idx++;
 #endif
 	}
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 8741048..1780d3f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1768,13 +1768,9 @@
 	}
 }
 
-int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display)
+int iwl_dump_fh(struct iwl_trans *trans, char **buf)
 {
 	int i;
-#ifdef CONFIG_IWLWIFI_DEBUG
-	int pos = 0;
-	size_t bufsz = 0;
-#endif
 	static const u32 fh_tbl[] = {
 		FH_RSCSR_CHNL0_STTS_WPTR_REG,
 		FH_RSCSR_CHNL0_RBDCB_BASE_REG,
@@ -1786,29 +1782,34 @@
 		FH_TSSR_TX_STATUS_REG,
 		FH_TSSR_TX_ERROR_REG
 	};
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (display) {
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+	if (buf) {
+		int pos = 0;
+		size_t bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;
+
 		bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;
 		*buf = kmalloc(bufsz, GFP_KERNEL);
 		if (!*buf)
 			return -ENOMEM;
 		pos += scnprintf(*buf + pos, bufsz - pos,
 				"FH register values:\n");
-		for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) {
+
+		for (i = 0; i < ARRAY_SIZE(fh_tbl); i++)
 			pos += scnprintf(*buf + pos, bufsz - pos,
 				"  %34s: 0X%08x\n",
 				get_fh_string(fh_tbl[i]),
 				iwl_read_direct32(trans, fh_tbl[i]));
-		}
+
 		return pos;
 	}
 #endif
 	IWL_ERR(trans, "FH register values:\n");
-	for (i = 0; i <  ARRAY_SIZE(fh_tbl); i++) {
+	for (i = 0; i <  ARRAY_SIZE(fh_tbl); i++)
 		IWL_ERR(trans, "  %34s: 0X%08x\n",
 			get_fh_string(fh_tbl[i]),
 			iwl_read_direct32(trans, fh_tbl[i]));
-	}
+
 	return 0;
 }
 
@@ -2152,11 +2153,11 @@
 					 size_t count, loff_t *ppos)
 {
 	struct iwl_trans *trans = file->private_data;
-	char *buf;
+	char *buf = NULL;
 	int pos = 0;
 	ssize_t ret = -EFAULT;
 
-	ret = pos = iwl_dump_fh(trans, &buf, true);
+	ret = pos = iwl_dump_fh(trans, &buf);
 	if (buf) {
 		ret = simple_read_from_buffer(user_buf,
 					      count, ppos, buf, pos);
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index a5e182b..6f882bc 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -340,8 +340,7 @@
 		ht_cap->header.len =
 				cpu_to_le16(sizeof(struct ieee80211_ht_cap));
 		memcpy((u8 *) ht_cap + sizeof(struct mwifiex_ie_types_header),
-		       (u8 *) bss_desc->bcn_ht_cap +
-		       sizeof(struct ieee_types_header),
+		       (u8 *)bss_desc->bcn_ht_cap,
 		       le16_to_cpu(ht_cap->header.len));
 
 		mwifiex_fill_cap_info(priv, radio_type, ht_cap);
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 9d1b3ca..a884c32 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -457,6 +457,7 @@
 	}
 
 	tx_info = MWIFIEX_SKB_TXCB(skb);
+	memset(tx_info, 0, sizeof(*tx_info));
 	tx_info->bss_num = priv->bss_num;
 	tx_info->bss_type = priv->bss_type;
 	mwifiex_fill_buffer(skb);
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index a08a6f0..2933819 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -583,7 +583,7 @@
 	chan = priv->curchan;
 	if (chan) {
 		struct survey_info *survey = &priv->survey[chan->hw_value];
-		survey->noise = clamp_t(s8, priv->noise, -128, 127);
+		survey->noise = clamp(priv->noise, -128, 127);
 		survey->channel_time = priv->survey_raw.active;
 		survey->channel_time_tx = priv->survey_raw.tx;
 		survey->channel_time_busy = priv->survey_raw.tx +
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index aa10c48..f8ea77c 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1679,8 +1679,13 @@
 	/*
 	 * Detect if this device has an hardware controlled radio.
 	 */
-	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
+	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) {
 		__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
+		/*
+		 * On this device RFKILL initialized during probe does not work.
+		 */
+		__set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags);
+	}
 
 	/*
 	 * Check if the BBP tuning should be enabled.
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index e0a7efc..9e55deb 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1921,7 +1921,7 @@
 	{ USB_DEVICE(0x0b05, 0x1706) },
 	{ USB_DEVICE(0x0b05, 0x1707) },
 	/* Belkin */
-	{ USB_DEVICE(0x050d, 0x7050) },
+	{ USB_DEVICE(0x050d, 0x7050) },	/* FCC ID: K7SF5D7050A ver. 2.x */
 	{ USB_DEVICE(0x050d, 0x7051) },
 	/* Cisco Systems */
 	{ USB_DEVICE(0x13b1, 0x000d) },
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 6eec862..664e93d 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1009,6 +1009,7 @@
 	{ USB_DEVICE(0x07d1, 0x3c15) },
 	{ USB_DEVICE(0x07d1, 0x3c16) },
 	{ USB_DEVICE(0x2001, 0x3c1b) },
+	{ USB_DEVICE(0x2001, 0x3c1e) },
 	/* Draytek */
 	{ USB_DEVICE(0x07fa, 0x7712) },
 	/* DVICO */
@@ -1140,6 +1141,7 @@
 	{ USB_DEVICE(0x177f, 0x0153) },
 	{ USB_DEVICE(0x177f, 0x0302) },
 	{ USB_DEVICE(0x177f, 0x0313) },
+	{ USB_DEVICE(0x177f, 0x0323) },
 	/* U-Media */
 	{ USB_DEVICE(0x157e, 0x300e) },
 	{ USB_DEVICE(0x157e, 0x3013) },
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index c264dfa..4be11e36 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -717,6 +717,7 @@
 	REQUIRE_SW_SEQNO,
 	REQUIRE_HT_TX_DESC,
 	REQUIRE_PS_AUTOWAKE,
+	REQUIRE_DELAYED_RFKILL,
 
 	/*
 	 * Capabilities
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 8f2c88e..da65f8e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1022,9 +1022,10 @@
 		return;
 
 	/*
-	 * Unregister extra components.
+	 * Stop rfkill polling.
 	 */
-	rt2x00rfkill_unregister(rt2x00dev);
+	if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_unregister(rt2x00dev);
 
 	/*
 	 * Allow the HW to uninitialize.
@@ -1062,6 +1063,12 @@
 
 	set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags);
 
+	/*
+	 * Start rfkill polling.
+	 */
+	if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_register(rt2x00dev);
+
 	return 0;
 }
 
@@ -1207,7 +1214,12 @@
 	rt2x00link_register(rt2x00dev);
 	rt2x00leds_register(rt2x00dev);
 	rt2x00debug_register(rt2x00dev);
-	rt2x00rfkill_register(rt2x00dev);
+
+	/*
+	 * Start rfkill polling.
+	 */
+	if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_register(rt2x00dev);
 
 	return 0;
 
@@ -1223,6 +1235,12 @@
 	clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
 
 	/*
+	 * Stop rfkill polling.
+	 */
+	if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
+		rt2x00rfkill_unregister(rt2x00dev);
+
+	/*
 	 * Disable radio.
 	 */
 	rt2x00lib_disable_radio(rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 6701f2d..e6daf12 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -517,6 +517,8 @@
 	crypto.cipher = rt2x00crypto_key_to_cipher(key);
 	if (crypto.cipher == CIPHER_NONE)
 		return -EOPNOTSUPP;
+	if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev))
+		return -EOPNOTSUPP;
 
 	crypto.cmd = cmd;
 
@@ -651,20 +653,18 @@
 				      bss_conf->bssid);
 
 	/*
-	 * Update the beacon. This is only required on USB devices. PCI
-	 * devices fetch beacons periodically.
-	 */
-	if (changes & BSS_CHANGED_BEACON && rt2x00_is_usb(rt2x00dev))
-		rt2x00queue_update_beacon(rt2x00dev, vif);
-
-	/*
 	 * Start/stop beaconing.
 	 */
 	if (changes & BSS_CHANGED_BEACON_ENABLED) {
 		if (!bss_conf->enable_beacon && intf->enable_beacon) {
-			rt2x00queue_clear_beacon(rt2x00dev, vif);
 			rt2x00dev->intf_beaconing--;
 			intf->enable_beacon = false;
+			/*
+			 * Clear beacon in the H/W for this vif. This is needed
+			 * to disable beaconing on this particular interface
+			 * and keep it running on other interfaces.
+			 */
+			rt2x00queue_clear_beacon(rt2x00dev, vif);
 
 			if (rt2x00dev->intf_beaconing == 0) {
 				/*
@@ -675,11 +675,15 @@
 				rt2x00queue_stop_queue(rt2x00dev->bcn);
 				mutex_unlock(&intf->beacon_skb_mutex);
 			}
-
-
 		} else if (bss_conf->enable_beacon && !intf->enable_beacon) {
 			rt2x00dev->intf_beaconing++;
 			intf->enable_beacon = true;
+			/*
+			 * Upload beacon to the H/W. This is only required on
+			 * USB devices. PCI devices fetch beacons periodically.
+			 */
+			if (rt2x00_is_usb(rt2x00dev))
+				rt2x00queue_update_beacon(rt2x00dev, vif);
 
 			if (rt2x00dev->intf_beaconing == 1) {
 				/*
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index ffdd32e..ef4cd40 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2422,6 +2422,7 @@
 	{ USB_DEVICE(0x0b05, 0x1723) },
 	{ USB_DEVICE(0x0b05, 0x1724) },
 	/* Belkin */
+	{ USB_DEVICE(0x050d, 0x7050) },	/* FCC ID: K7SF5D7050B ver. 3.x */
 	{ USB_DEVICE(0x050d, 0x705a) },
 	{ USB_DEVICE(0x050d, 0x905b) },
 	{ USB_DEVICE(0x050d, 0x905c) },
diff --git a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
index e19a20a..ecd1ac4 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
+++ b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
@@ -15,6 +15,8 @@
 #ifndef RTL8187_H
 #define RTL8187_H
 
+#include <linux/cache.h>
+
 #include "rtl818x.h"
 #include "leds.h"
 
@@ -139,7 +141,10 @@
 	u8 aifsn[4];
 	u8 rfkill_mask;
 	struct {
-		__le64 buf;
+		union {
+			__le64 buf;
+			u8 dummy1[L1_CACHE_BYTES];
+		} ____cacheline_aligned;
 		struct sk_buff_head queue;
 	} b_tx_status; /* This queue is used by both -b and non-b devices */
 	struct mutex io_mutex;
@@ -147,7 +152,8 @@
 		u8 bits8;
 		__le16 bits16;
 		__le32 bits32;
-	} *io_dmabuf;
+		u8 dummy2[L1_CACHE_BYTES];
+	} *io_dmabuf ____cacheline_aligned;
 	bool rfkill_off;
 	u16 seqno;
 };
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index 18d9eb3..b175793 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -37,6 +37,7 @@
 
 #include <linux/ip.h>
 #include <linux/module.h>
+#include <linux/udp.h>
 
 /*
  *NOTICE!!!: This file will be very big, we should
@@ -957,61 +958,51 @@
 	if (!ieee80211_is_data(fc))
 		return false;
 
+	ip = (const struct iphdr *)(skb->data + mac_hdr_len +
+				    SNAP_SIZE + PROTOC_TYPE_SIZE);
+	ether_type = be16_to_cpup((__be16 *)
+				  (skb->data + mac_hdr_len + SNAP_SIZE));
 
-	ip = (struct iphdr *)((u8 *) skb->data + mac_hdr_len +
-			      SNAP_SIZE + PROTOC_TYPE_SIZE);
-	ether_type = *(u16 *) ((u8 *) skb->data + mac_hdr_len + SNAP_SIZE);
-	/*	ether_type = ntohs(ether_type); */
+	switch (ether_type) {
+	case ETH_P_IP: {
+		struct udphdr *udp;
+		u16 src;
+		u16 dst;
 
-	if (ETH_P_IP == ether_type) {
-		if (IPPROTO_UDP == ip->protocol) {
-			struct udphdr *udp = (struct udphdr *)((u8 *) ip +
-							       (ip->ihl << 2));
-			if (((((u8 *) udp)[1] == 68) &&
-			     (((u8 *) udp)[3] == 67)) ||
-			    ((((u8 *) udp)[1] == 67) &&
-			     (((u8 *) udp)[3] == 68))) {
-				/*
-				 * 68 : UDP BOOTP client
-				 * 67 : UDP BOOTP server
-				 */
-				RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV),
-					 DBG_DMESG, "dhcp %s !!\n",
-					 is_tx ? "Tx" : "Rx");
+		if (ip->protocol != IPPROTO_UDP)
+			return false;
+		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
+		src = be16_to_cpu(udp->source);
+		dst = be16_to_cpu(udp->dest);
 
-				if (is_tx) {
-					schedule_work(&rtlpriv->
-						      works.lps_leave_work);
-					ppsc->last_delaylps_stamp_jiffies =
-					    jiffies;
-				}
+		/* If this case involves port 68 (UDP BOOTP client) connecting
+		 * with port 67 (UDP BOOTP server), then return true so that
+		 * the lowest speed is used.
+		 */
+		if (!((src == 68 && dst == 67) || (src == 67 && dst == 68)))
+			return false;
 
-				return true;
-			}
-		}
-	} else if (ETH_P_ARP == ether_type) {
-		if (is_tx) {
-			schedule_work(&rtlpriv->works.lps_leave_work);
-			ppsc->last_delaylps_stamp_jiffies = jiffies;
-		}
-
-		return true;
-	} else if (ETH_P_PAE == ether_type) {
+		RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
+			 "dhcp %s !!\n", is_tx ? "Tx" : "Rx");
+		break;
+	}
+	case ETH_P_ARP:
+		break;
+	case ETH_P_PAE:
 		RT_TRACE(rtlpriv, (COMP_SEND | COMP_RECV), DBG_DMESG,
 			 "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx");
-
-		if (is_tx) {
-			schedule_work(&rtlpriv->works.lps_leave_work);
-			ppsc->last_delaylps_stamp_jiffies = jiffies;
-		}
-
-		return true;
-	} else if (ETH_P_IPV6 == ether_type) {
-		/* IPv6 */
-		return true;
+		break;
+	case ETH_P_IPV6:
+		/* TODO: Is this right? */
+		return false;
+	default:
+		return false;
 	}
-
-	return false;
+	if (is_tx) {
+		schedule_work(&rtlpriv->works.lps_leave_work);
+		ppsc->last_delaylps_stamp_jiffies = jiffies;
+	}
+	return true;
 }
 
 /*********************************************************
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index 5b9c3b5..7fe4f91 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -48,7 +48,7 @@
 
 	/*<2> Enable Adapter */
 	if (rtlpriv->cfg->ops->hw_init(hw))
-		return 1;
+		return false;
 	RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC);
 
 	/*<3> Enable Interrupt */
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
index 1208b75..513baa0 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -1210,11 +1210,14 @@
 			if (rtlhal->interface == INTF_PCI) {
 				rcu_read_lock();
 				sta = ieee80211_find_sta(mac->vif, mac->bssid);
+				if (!sta)
+					goto out_unlock;
 			}
 			rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
 					p_ra->ratr_state);
 
 			p_ra->pre_ratr_state = p_ra->ratr_state;
+		out_unlock:
 			if (rtlhal->interface == INTF_PCI)
 				rcu_read_unlock();
 		}
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
index 509f661..18ddf57 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
@@ -902,14 +902,26 @@
 	bool is92c;
 	int err;
 	u8 tmp_u1b;
+	unsigned long flags;
 
 	rtlpci->being_init_adapter = true;
+
+	/* Since this function can take a very long time (up to 350 ms)
+	 * and can be called with irqs disabled, reenable the irqs
+	 * to let the other devices continue being serviced.
+	 *
+	 * It is safe doing so since our own interrupts will only be enabled
+	 * in a subsequent step.
+	 */
+	local_save_flags(flags);
+	local_irq_enable();
+
 	rtlpriv->intf_ops->disable_aspm(hw);
 	rtstatus = _rtl92ce_init_mac(hw);
 	if (!rtstatus) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n");
 		err = 1;
-		return err;
+		goto exit;
 	}
 
 	err = rtl92c_download_fw(hw);
@@ -917,7 +929,7 @@
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 			 "Failed to download FW. Init HW without FW now..\n");
 		err = 1;
-		return err;
+		goto exit;
 	}
 
 	rtlhal->last_hmeboxnum = 0;
@@ -978,6 +990,8 @@
 		RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "under 1.5V\n");
 	}
 	rtl92c_dm_init(hw);
+exit:
+	local_irq_restore(flags);
 	rtlpci->being_init_adapter = false;
 	return err;
 }
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
index 91d2e28..0908a3b 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
@@ -985,19 +985,30 @@
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 	int err = 0;
 	static bool iqk_initialized;
+	unsigned long flags;
+
+	/* As this function can take a very long time (up to 350 ms)
+	 * and can be called with irqs disabled, reenable the irqs
+	 * to let the other devices continue being serviced.
+	 *
+	 * It is safe doing so since our own interrupts will only be enabled
+	 * in a subsequent step.
+	 */
+	local_save_flags(flags);
+	local_irq_enable();
 
 	rtlhal->hw_type = HARDWARE_TYPE_RTL8192CU;
 	err = _rtl92cu_init_mac(hw);
 	if (err) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "init mac failed!\n");
-		return err;
+		goto exit;
 	}
 	err = rtl92c_download_fw(hw);
 	if (err) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 			 "Failed to download FW. Init HW without FW now..\n");
 		err = 1;
-		return err;
+		goto exit;
 	}
 	rtlhal->last_hmeboxnum = 0; /* h2c */
 	_rtl92cu_phy_param_tab_init(hw);
@@ -1034,6 +1045,8 @@
 	_InitPABias(hw);
 	_update_mac_setting(hw);
 	rtl92c_dm_init(hw);
+exit:
+	local_irq_restore(flags);
 	return err;
 }
 
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 52a9c33..2c4cdce 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -306,6 +306,7 @@
 	{RTL_USB_DEVICE(0x0bda, 0x5088, rtl92cu_hal_cfg)}, /*Thinkware-CC&C*/
 	{RTL_USB_DEVICE(0x0df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
 	{RTL_USB_DEVICE(0x0df6, 0x005c, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
+	{RTL_USB_DEVICE(0x0df6, 0x0070, rtl92cu_hal_cfg)}, /*Sitecom - 150N */
 	{RTL_USB_DEVICE(0x0df6, 0x0077, rtl92cu_hal_cfg)}, /*Sitecom-WLA2100V2*/
 	{RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/
 	{RTL_USB_DEVICE(0x4856, 0x0091, rtl92cu_hal_cfg)}, /*NetweeN - Feixun*/
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
index b141c35..f90eb0c 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
@@ -922,7 +922,7 @@
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 	u8 tmp_byte = 0;
-
+	unsigned long flags;
 	bool rtstatus = true;
 	u8 tmp_u1b;
 	int err = false;
@@ -934,6 +934,16 @@
 
 	rtlpci->being_init_adapter = true;
 
+	/* As this function can take a very long time (up to 350 ms)
+	 * and can be called with irqs disabled, reenable the irqs
+	 * to let the other devices continue being serviced.
+	 *
+	 * It is safe doing so since our own interrupts will only be enabled
+	 * in a subsequent step.
+	 */
+	local_save_flags(flags);
+	local_irq_enable();
+
 	rtlpriv->intf_ops->disable_aspm(hw);
 
 	/* 1. MAC Initialize */
@@ -951,7 +961,8 @@
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 			 "Failed to download FW. Init HW without FW now... "
 			 "Please copy FW into /lib/firmware/rtlwifi\n");
-		return 1;
+		err = 1;
+		goto exit;
 	}
 
 	/* After FW download, we have to reset MAC register */
@@ -964,7 +975,8 @@
 	/* 3. Initialize MAC/PHY Config by MACPHY_reg.txt */
 	if (!rtl92s_phy_mac_config(hw)) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "MAC Config failed\n");
-		return rtstatus;
+		err = rtstatus;
+		goto exit;
 	}
 
 	/* Make sure BB/RF write OK. We should prevent enter IPS. radio off. */
@@ -974,7 +986,8 @@
 	/* 4. Initialize BB After MAC Config PHY_reg.txt, AGC_Tab.txt */
 	if (!rtl92s_phy_bb_config(hw)) {
 		RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "BB Config failed\n");
-		return rtstatus;
+		err = rtstatus;
+		goto exit;
 	}
 
 	/* 5. Initiailze RF RAIO_A.txt RF RAIO_B.txt */
@@ -1010,7 +1023,8 @@
 
 	if (!rtl92s_phy_rf_config(hw)) {
 		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "RF Config failed\n");
-		return rtstatus;
+		err = rtstatus;
+		goto exit;
 	}
 
 	/* After read predefined TXT, we must set BB/MAC/RF
@@ -1084,8 +1098,9 @@
 
 	rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_ON);
 	rtl92s_dm_init(hw);
+exit:
+	local_irq_restore(flags);
 	rtlpci->being_init_adapter = false;
-
 	return err;
 }
 
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index 38c51ea..905fec4 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -77,11 +77,7 @@
 #define RTL_SLOT_TIME_9				9
 #define RTL_SLOT_TIME_20			20
 
-/*related with tcp/ip. */
-/*if_ehther.h*/
-#define ETH_P_PAE		0x888E	/*Port Access Entity (IEEE 802.1X) */
-#define ETH_P_IP		0x0800	/*Internet Protocol packet */
-#define ETH_P_ARP		0x0806	/*Address Resolution packet */
+/*related to tcp/ip. */
 #define SNAP_SIZE		6
 #define PROTOC_TYPE_SIZE	2
 
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index d8ffbf8..cd4966b 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -46,11 +46,25 @@
 #include <asm/xen/hypercall.h>
 #include <asm/xen/page.h>
 
-struct pending_tx_info {
-	struct xen_netif_tx_request req;
-	struct xenvif *vif;
-};
+/*
+ * This is the maximum slots a skb can have. If a guest sends a skb
+ * which exceeds this limit it is considered malicious.
+ */
+#define MAX_SKB_SLOTS_DEFAULT 20
+static unsigned int max_skb_slots = MAX_SKB_SLOTS_DEFAULT;
+module_param(max_skb_slots, uint, 0444);
+
 typedef unsigned int pending_ring_idx_t;
+#define INVALID_PENDING_RING_IDX (~0U)
+
+struct pending_tx_info {
+	struct xen_netif_tx_request req; /* coalesced tx request */
+	struct xenvif *vif;
+	pending_ring_idx_t head; /* head != INVALID_PENDING_RING_IDX
+				  * if it is head of one or more tx
+				  * reqs
+				  */
+};
 
 struct netbk_rx_meta {
 	int id;
@@ -101,7 +115,11 @@
 	atomic_t netfront_count;
 
 	struct pending_tx_info pending_tx_info[MAX_PENDING_REQS];
-	struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS];
+	/* Coalescing tx requests before copying makes number of grant
+	 * copy ops greater or equal to number of slots required. In
+	 * worst case a tx request consumes 2 gnttab_copy.
+	 */
+	struct gnttab_copy tx_copy_ops[2*MAX_PENDING_REQS];
 
 	u16 pending_ring[MAX_PENDING_REQS];
 
@@ -117,6 +135,16 @@
 static struct xen_netbk *xen_netbk;
 static int xen_netbk_group_nr;
 
+/*
+ * If head != INVALID_PENDING_RING_IDX, it means this tx request is head of
+ * one or more merged tx requests, otherwise it is the continuation of
+ * previous tx request.
+ */
+static inline int pending_tx_is_head(struct xen_netbk *netbk, RING_IDX idx)
+{
+	return netbk->pending_tx_info[idx].head != INVALID_PENDING_RING_IDX;
+}
+
 void xen_netbk_add_xenvif(struct xenvif *vif)
 {
 	int i;
@@ -249,6 +277,7 @@
 {
 	int max = DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE);
 
+	/* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
 	if (vif->can_sg || vif->gso || vif->gso_prefix)
 		max += MAX_SKB_FRAGS + 1; /* extra_info + frags */
 
@@ -309,8 +338,8 @@
 	 * into multiple copies tend to give large frags their
 	 * own buffers as before.
 	 */
-	if ((offset + size > MAX_BUFFER_OFFSET) &&
-	    (size <= MAX_BUFFER_OFFSET) && offset && !head)
+	BUG_ON(size > MAX_BUFFER_OFFSET);
+	if ((offset + size > MAX_BUFFER_OFFSET) && offset && !head)
 		return true;
 
 	return false;
@@ -627,6 +656,7 @@
 		__skb_queue_tail(&rxq, skb);
 
 		/* Filled the batch queue? */
+		/* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
 		if (count + MAX_SKB_FRAGS >= XEN_NETIF_RX_RING_SIZE)
 			break;
 	}
@@ -870,47 +900,88 @@
 
 static int netbk_count_requests(struct xenvif *vif,
 				struct xen_netif_tx_request *first,
+				RING_IDX first_idx,
 				struct xen_netif_tx_request *txp,
 				int work_to_do)
 {
 	RING_IDX cons = vif->tx.req_cons;
-	int frags = 0;
+	int slots = 0;
+	int drop_err = 0;
 
 	if (!(first->flags & XEN_NETTXF_more_data))
 		return 0;
 
 	do {
-		if (frags >= work_to_do) {
-			netdev_err(vif->dev, "Need more frags\n");
+		if (slots >= work_to_do) {
+			netdev_err(vif->dev,
+				   "Asked for %d slots but exceeds this limit\n",
+				   work_to_do);
 			netbk_fatal_tx_err(vif);
 			return -ENODATA;
 		}
 
-		if (unlikely(frags >= MAX_SKB_FRAGS)) {
-			netdev_err(vif->dev, "Too many frags\n");
+		/* This guest is really using too many slots and
+		 * considered malicious.
+		 */
+		if (unlikely(slots >= max_skb_slots)) {
+			netdev_err(vif->dev,
+				   "Malicious frontend using %d slots, threshold %u\n",
+				   slots, max_skb_slots);
 			netbk_fatal_tx_err(vif);
 			return -E2BIG;
 		}
 
-		memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags),
+		/* Xen network protocol had implicit dependency on
+		 * MAX_SKB_FRAGS. XEN_NETIF_NR_SLOTS_MIN is set to the
+		 * historical MAX_SKB_FRAGS value 18 to honor the same
+		 * behavior as before. Any packet using more than 18
+		 * slots but less than max_skb_slots slots is dropped
+		 */
+		if (!drop_err && slots >= XEN_NETIF_NR_SLOTS_MIN) {
+			if (net_ratelimit())
+				netdev_dbg(vif->dev,
+					   "Too many slots (%d) exceeding limit (%d), dropping packet\n",
+					   slots, XEN_NETIF_NR_SLOTS_MIN);
+			drop_err = -E2BIG;
+		}
+
+		memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots),
 		       sizeof(*txp));
-		if (txp->size > first->size) {
-			netdev_err(vif->dev, "Frag is bigger than frame.\n");
-			netbk_fatal_tx_err(vif);
-			return -EIO;
+
+		/* If the guest submitted a frame >= 64 KiB then
+		 * first->size overflowed and following slots will
+		 * appear to be larger than the frame.
+		 *
+		 * This cannot be fatal error as there are buggy
+		 * frontends that do this.
+		 *
+		 * Consume all slots and drop the packet.
+		 */
+		if (!drop_err && txp->size > first->size) {
+			if (net_ratelimit())
+				netdev_dbg(vif->dev,
+					   "Invalid tx request, slot size %u > remaining size %u\n",
+					   txp->size, first->size);
+			drop_err = -EIO;
 		}
 
 		first->size -= txp->size;
-		frags++;
+		slots++;
 
 		if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) {
-			netdev_err(vif->dev, "txp->offset: %x, size: %u\n",
+			netdev_err(vif->dev, "Cross page boundary, txp->offset: %x, size: %u\n",
 				 txp->offset, txp->size);
 			netbk_fatal_tx_err(vif);
 			return -EINVAL;
 		}
 	} while ((txp++)->flags & XEN_NETTXF_more_data);
-	return frags;
+
+	if (drop_err) {
+		netbk_tx_err(vif, first, first_idx + slots);
+		return drop_err;
+	}
+
+	return slots;
 }
 
 static struct page *xen_netbk_alloc_page(struct xen_netbk *netbk,
@@ -934,48 +1005,114 @@
 	struct skb_shared_info *shinfo = skb_shinfo(skb);
 	skb_frag_t *frags = shinfo->frags;
 	u16 pending_idx = *((u16 *)skb->data);
-	int i, start;
+	u16 head_idx = 0;
+	int slot, start;
+	struct page *page;
+	pending_ring_idx_t index, start_idx = 0;
+	uint16_t dst_offset;
+	unsigned int nr_slots;
+	struct pending_tx_info *first = NULL;
+
+	/* At this point shinfo->nr_frags is in fact the number of
+	 * slots, which can be as large as XEN_NETIF_NR_SLOTS_MIN.
+	 */
+	nr_slots = shinfo->nr_frags;
 
 	/* Skip first skb fragment if it is on same page as header fragment. */
 	start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx);
 
-	for (i = start; i < shinfo->nr_frags; i++, txp++) {
-		struct page *page;
-		pending_ring_idx_t index;
+	/* Coalesce tx requests, at this point the packet passed in
+	 * should be <= 64K. Any packets larger than 64K have been
+	 * handled in netbk_count_requests().
+	 */
+	for (shinfo->nr_frags = slot = start; slot < nr_slots;
+	     shinfo->nr_frags++) {
 		struct pending_tx_info *pending_tx_info =
 			netbk->pending_tx_info;
 
-		index = pending_index(netbk->pending_cons++);
-		pending_idx = netbk->pending_ring[index];
-		page = xen_netbk_alloc_page(netbk, pending_idx);
+		page = alloc_page(GFP_KERNEL|__GFP_COLD);
 		if (!page)
 			goto err;
 
-		gop->source.u.ref = txp->gref;
-		gop->source.domid = vif->domid;
-		gop->source.offset = txp->offset;
+		dst_offset = 0;
+		first = NULL;
+		while (dst_offset < PAGE_SIZE && slot < nr_slots) {
+			gop->flags = GNTCOPY_source_gref;
 
-		gop->dest.u.gmfn = virt_to_mfn(page_address(page));
-		gop->dest.domid = DOMID_SELF;
-		gop->dest.offset = txp->offset;
+			gop->source.u.ref = txp->gref;
+			gop->source.domid = vif->domid;
+			gop->source.offset = txp->offset;
 
-		gop->len = txp->size;
-		gop->flags = GNTCOPY_source_gref;
+			gop->dest.domid = DOMID_SELF;
 
-		gop++;
+			gop->dest.offset = dst_offset;
+			gop->dest.u.gmfn = virt_to_mfn(page_address(page));
 
-		memcpy(&pending_tx_info[pending_idx].req, txp, sizeof(*txp));
-		xenvif_get(vif);
-		pending_tx_info[pending_idx].vif = vif;
-		frag_set_pending_idx(&frags[i], pending_idx);
+			if (dst_offset + txp->size > PAGE_SIZE) {
+				/* This page can only merge a portion
+				 * of tx request. Do not increment any
+				 * pointer / counter here. The txp
+				 * will be dealt with in future
+				 * rounds, eventually hitting the
+				 * `else` branch.
+				 */
+				gop->len = PAGE_SIZE - dst_offset;
+				txp->offset += gop->len;
+				txp->size -= gop->len;
+				dst_offset += gop->len; /* quit loop */
+			} else {
+				/* This tx request can be merged in the page */
+				gop->len = txp->size;
+				dst_offset += gop->len;
+
+				index = pending_index(netbk->pending_cons++);
+
+				pending_idx = netbk->pending_ring[index];
+
+				memcpy(&pending_tx_info[pending_idx].req, txp,
+				       sizeof(*txp));
+				xenvif_get(vif);
+
+				pending_tx_info[pending_idx].vif = vif;
+
+				/* Poison these fields, corresponding
+				 * fields for head tx req will be set
+				 * to correct values after the loop.
+				 */
+				netbk->mmap_pages[pending_idx] = (void *)(~0UL);
+				pending_tx_info[pending_idx].head =
+					INVALID_PENDING_RING_IDX;
+
+				if (!first) {
+					first = &pending_tx_info[pending_idx];
+					start_idx = index;
+					head_idx = pending_idx;
+				}
+
+				txp++;
+				slot++;
+			}
+
+			gop++;
+		}
+
+		first->req.offset = 0;
+		first->req.size = dst_offset;
+		first->head = start_idx;
+		set_page_ext(page, netbk, head_idx);
+		netbk->mmap_pages[head_idx] = page;
+		frag_set_pending_idx(&frags[shinfo->nr_frags], head_idx);
 	}
 
+	BUG_ON(shinfo->nr_frags > MAX_SKB_FRAGS);
+
 	return gop;
 err:
 	/* Unwind, freeing all pages and sending error responses. */
-	while (i-- > start) {
-		xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]),
-				      XEN_NETIF_RSP_ERROR);
+	while (shinfo->nr_frags-- > start) {
+		xen_netbk_idx_release(netbk,
+				frag_get_pending_idx(&frags[shinfo->nr_frags]),
+				XEN_NETIF_RSP_ERROR);
 	}
 	/* The head too, if necessary. */
 	if (start)
@@ -991,8 +1128,10 @@
 	struct gnttab_copy *gop = *gopp;
 	u16 pending_idx = *((u16 *)skb->data);
 	struct skb_shared_info *shinfo = skb_shinfo(skb);
+	struct pending_tx_info *tx_info;
 	int nr_frags = shinfo->nr_frags;
 	int i, err, start;
+	u16 peek; /* peek into next tx request */
 
 	/* Check status of header. */
 	err = gop->status;
@@ -1004,11 +1143,20 @@
 
 	for (i = start; i < nr_frags; i++) {
 		int j, newerr;
+		pending_ring_idx_t head;
 
 		pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+		tx_info = &netbk->pending_tx_info[pending_idx];
+		head = tx_info->head;
 
 		/* Check error status: if okay then remember grant handle. */
-		newerr = (++gop)->status;
+		do {
+			newerr = (++gop)->status;
+			if (newerr)
+				break;
+			peek = netbk->pending_ring[pending_index(++head)];
+		} while (!pending_tx_is_head(netbk, peek));
+
 		if (likely(!newerr)) {
 			/* Had a previous error? Invalidate this fragment. */
 			if (unlikely(err))
@@ -1233,11 +1381,12 @@
 	struct sk_buff *skb;
 	int ret;
 
-	while (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
+	while ((nr_pending_reqs(netbk) + XEN_NETIF_NR_SLOTS_MIN
+		< MAX_PENDING_REQS) &&
 		!list_empty(&netbk->net_schedule_list)) {
 		struct xenvif *vif;
 		struct xen_netif_tx_request txreq;
-		struct xen_netif_tx_request txfrags[MAX_SKB_FRAGS];
+		struct xen_netif_tx_request txfrags[max_skb_slots];
 		struct page *page;
 		struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1];
 		u16 pending_idx;
@@ -1298,7 +1447,8 @@
 				continue;
 		}
 
-		ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do);
+		ret = netbk_count_requests(vif, &txreq, idx,
+					   txfrags, work_to_do);
 		if (unlikely(ret < 0))
 			continue;
 
@@ -1325,7 +1475,7 @@
 		pending_idx = netbk->pending_ring[index];
 
 		data_len = (txreq.size > PKT_PROT_LEN &&
-			    ret < MAX_SKB_FRAGS) ?
+			    ret < XEN_NETIF_NR_SLOTS_MIN) ?
 			PKT_PROT_LEN : txreq.size;
 
 		skb = alloc_skb(data_len + NET_SKB_PAD + NET_IP_ALIGN,
@@ -1375,6 +1525,7 @@
 		memcpy(&netbk->pending_tx_info[pending_idx].req,
 		       &txreq, sizeof(txreq));
 		netbk->pending_tx_info[pending_idx].vif = vif;
+		netbk->pending_tx_info[pending_idx].head = index;
 		*((u16 *)skb->data) = pending_idx;
 
 		__skb_put(skb, data_len);
@@ -1505,7 +1656,10 @@
 {
 	struct xenvif *vif;
 	struct pending_tx_info *pending_tx_info;
-	pending_ring_idx_t index;
+	pending_ring_idx_t head;
+	u16 peek; /* peek into next tx request */
+
+	BUG_ON(netbk->mmap_pages[pending_idx] == (void *)(~0UL));
 
 	/* Already complete? */
 	if (netbk->mmap_pages[pending_idx] == NULL)
@@ -1514,19 +1668,40 @@
 	pending_tx_info = &netbk->pending_tx_info[pending_idx];
 
 	vif = pending_tx_info->vif;
+	head = pending_tx_info->head;
 
-	make_tx_response(vif, &pending_tx_info->req, status);
+	BUG_ON(!pending_tx_is_head(netbk, head));
+	BUG_ON(netbk->pending_ring[pending_index(head)] != pending_idx);
 
-	index = pending_index(netbk->pending_prod++);
-	netbk->pending_ring[index] = pending_idx;
+	do {
+		pending_ring_idx_t index;
+		pending_ring_idx_t idx = pending_index(head);
+		u16 info_idx = netbk->pending_ring[idx];
 
-	xenvif_put(vif);
+		pending_tx_info = &netbk->pending_tx_info[info_idx];
+		make_tx_response(vif, &pending_tx_info->req, status);
+
+		/* Setting any number other than
+		 * INVALID_PENDING_RING_IDX indicates this slot is
+		 * starting a new packet / ending a previous packet.
+		 */
+		pending_tx_info->head = 0;
+
+		index = pending_index(netbk->pending_prod++);
+		netbk->pending_ring[index] = netbk->pending_ring[info_idx];
+
+		xenvif_put(vif);
+
+		peek = netbk->pending_ring[pending_index(++head)];
+
+	} while (!pending_tx_is_head(netbk, peek));
 
 	netbk->mmap_pages[pending_idx]->mapping = 0;
 	put_page(netbk->mmap_pages[pending_idx]);
 	netbk->mmap_pages[pending_idx] = NULL;
 }
 
+
 static void make_tx_response(struct xenvif *vif,
 			     struct xen_netif_tx_request *txp,
 			     s8       st)
@@ -1579,8 +1754,9 @@
 static inline int tx_work_todo(struct xen_netbk *netbk)
 {
 
-	if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
-			!list_empty(&netbk->net_schedule_list))
+	if ((nr_pending_reqs(netbk) + XEN_NETIF_NR_SLOTS_MIN
+	     < MAX_PENDING_REQS) &&
+	     !list_empty(&netbk->net_schedule_list))
 		return 1;
 
 	return 0;
@@ -1663,6 +1839,13 @@
 	if (!xen_domain())
 		return -ENODEV;
 
+	if (max_skb_slots < XEN_NETIF_NR_SLOTS_MIN) {
+		printk(KERN_INFO
+		       "xen-netback: max_skb_slots too small (%d), bump it to XEN_NETIF_NR_SLOTS_MIN (%d)\n",
+		       max_skb_slots, XEN_NETIF_NR_SLOTS_MIN);
+		max_skb_slots = XEN_NETIF_NR_SLOTS_MIN;
+	}
+
 	xen_netbk_group_nr = num_online_cpus();
 	xen_netbk = vzalloc(sizeof(struct xen_netbk) * xen_netbk_group_nr);
 	if (!xen_netbk)
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 796afbf..fe50f14 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -36,7 +36,7 @@
 #include <linux/skbuff.h>
 #include <linux/ethtool.h>
 #include <linux/if_ether.h>
-#include <linux/tcp.h>
+#include <net/tcp.h>
 #include <linux/udp.h>
 #include <linux/moduleparam.h>
 #include <linux/mm.h>
@@ -492,6 +492,16 @@
 	unsigned int len = skb_headlen(skb);
 	unsigned long flags;
 
+	/* If skb->len is too big for wire format, drop skb and alert
+	 * user about misconfiguration.
+	 */
+	if (unlikely(skb->len > XEN_NETIF_MAX_TX_SIZE)) {
+		net_alert_ratelimited(
+			"xennet: skb->len = %u, too big for wire format\n",
+			skb->len);
+		goto drop;
+	}
+
 	frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
 	if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
 		printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
@@ -1045,7 +1055,8 @@
 
 static int xennet_change_mtu(struct net_device *dev, int mtu)
 {
-	int max = xennet_can_sg(dev) ? 65535 - ETH_HLEN : ETH_DATA_LEN;
+	int max = xennet_can_sg(dev) ?
+		XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN;
 
 	if (mtu > max)
 		return -EINVAL;
@@ -1349,6 +1360,8 @@
 	SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops);
 	SET_NETDEV_DEV(netdev, &dev->dev);
 
+	netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER);
+
 	np->netdev = netdev;
 
 	netif_carrier_off(netdev);
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 1b69d95..b849f995 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -46,7 +46,6 @@
 extern bool shpchp_poll_mode;
 extern int shpchp_poll_time;
 extern bool shpchp_debug;
-extern struct workqueue_struct *shpchp_wq;
 
 #define dbg(format, arg...)						\
 do {									\
@@ -90,6 +89,7 @@
 	struct list_head	slot_list;
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
+	struct workqueue_struct *wq;
 	u8 hp_slot;
 };
 
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 5f1f0d9..dd37452 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -39,7 +39,6 @@
 bool shpchp_debug;
 bool shpchp_poll_mode;
 int shpchp_poll_time;
-struct workqueue_struct *shpchp_wq;
 
 #define DRIVER_VERSION	"0.4"
 #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -122,6 +121,14 @@
 		slot->device = ctrl->slot_device_offset + i;
 		slot->hpc_ops = ctrl->hpc_ops;
 		slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
+
+		snprintf(name, sizeof(name), "shpchp-%d", slot->number);
+		slot->wq = alloc_workqueue(name, 0, 0);
+		if (!slot->wq) {
+			retval = -ENOMEM;
+			goto error_info;
+		}
+
 		mutex_init(&slot->lock);
 		INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work);
 
@@ -141,7 +148,7 @@
 		if (retval) {
 			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
 				 retval);
-			goto error_info;
+			goto error_slotwq;
 		}
 
 		get_power_status(hotplug_slot, &info->power_status);
@@ -153,6 +160,8 @@
 	}
 
 	return 0;
+error_slotwq:
+	destroy_workqueue(slot->wq);
 error_info:
 	kfree(info);
 error_hpslot:
@@ -173,7 +182,7 @@
 		slot = list_entry(tmp, struct slot, slot_list);
 		list_del(&slot->slot_list);
 		cancel_delayed_work(&slot->work);
-		flush_workqueue(shpchp_wq);
+		destroy_workqueue(slot->wq);
 		pci_hp_deregister(slot->hotplug_slot);
 	}
 }
@@ -356,18 +365,12 @@
 
 static int __init shpcd_init(void)
 {
-	int retval = 0;
-
-	shpchp_wq = alloc_ordered_workqueue("shpchp", 0);
-	if (!shpchp_wq)
-		return -ENOMEM;
+	int retval;
 
 	retval = pci_register_driver(&shpc_driver);
 	dbg("%s: pci_register_driver = %d\n", __func__, retval);
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
-	if (retval) {
-		destroy_workqueue(shpchp_wq);
-	}
+
 	return retval;
 }
 
@@ -375,7 +378,6 @@
 {
 	dbg("unload_shpchpd()\n");
 	pci_unregister_driver(&shpc_driver);
-	destroy_workqueue(shpchp_wq);
 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index bba5b3e..b888675 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -51,7 +51,7 @@
 	info->p_slot = p_slot;
 	INIT_WORK(&info->work, interrupt_event_handler);
 
-	queue_work(shpchp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
 
 	return 0;
 }
@@ -285,8 +285,8 @@
 		return WRONG_BUS_FREQUENCY;
 	}
 
-	bsp = ctrl->pci_dev->bus->cur_bus_speed;
-	msp = ctrl->pci_dev->bus->max_bus_speed;
+	bsp = ctrl->pci_dev->subordinate->cur_bus_speed;
+	msp = ctrl->pci_dev->subordinate->max_bus_speed;
 
 	/* Check if there are other slots or devices on the same bus */
 	if (!list_empty(&ctrl->pci_dev->subordinate->devices))
@@ -456,7 +456,7 @@
 		kfree(info);
 		goto out;
 	}
-	queue_work(shpchp_wq, &info->work);
+	queue_work(p_slot->wq, &info->work);
  out:
 	mutex_unlock(&p_slot->lock);
 }
@@ -504,7 +504,7 @@
 		p_slot->hpc_ops->green_led_blink(p_slot);
 		p_slot->hpc_ops->set_attention_status(p_slot, 0);
 
-		queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ);
+		queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
 		break;
 	case BLINKINGOFF_STATE:
 	case BLINKINGON_STATE:
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index a7f6dce..4cdd2bc 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3610,7 +3610,7 @@
 	u16 cmd;
 	int rc;
 
-	WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) & (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
+	WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) && (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
 
 	/* ARCH specific VGA enables */
 	rc = pci_set_vga_state_arch(dev, decode, command_bits, flags);
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 474f22f..c9ce611 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -583,6 +583,9 @@
 	struct pcie_link_state *link;
 	int blacklist = !!pcie_aspm_sanity_check(pdev);
 
+	if (!aspm_support_enabled)
+		return;
+
 	if (!pci_is_pcie(pdev) || pdev->link_state)
 		return;
 	if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 103c95e..61bc33e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2921,6 +2921,7 @@
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
 
 static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
 			  struct pci_fixup *end)
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index 2264331..b96766b 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -176,7 +176,7 @@
 				pr_debug("Suppressed key event 0x%X - "
 					 "Last press was %lld us ago\n",
 					 key->code, ktime_to_us(diff));
-				return;
+				goto msi_wmi_notify_exit;
 			}
 			last_pressed[key->code - SCANCODE_BASE] = cur;
 
@@ -195,6 +195,8 @@
 			pr_info("Unknown key pressed - %x\n", eventcode);
 	} else
 		pr_info("Unknown event received\n");
+
+msi_wmi_notify_exit:
 	kfree(response.pointer);
 }
 
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index f08aee6..aa232de 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -3402,7 +3402,7 @@
 	/* Do not issue duplicate brightness change events to
 	 * userspace. tpacpi_detect_brightness_capabilities() must have
 	 * been called before this point  */
-	if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
+	if (acpi_video_backlight_support()) {
 		pr_info("This ThinkPad has standard ACPI backlight "
 			"brightness control, supported by the ACPI "
 			"video driver\n");
diff --git a/drivers/pps/clients/pps-ldisc.c b/drivers/pps/clients/pps-ldisc.c
index 79451f2..60cee9e 100644
--- a/drivers/pps/clients/pps-ldisc.c
+++ b/drivers/pps/clients/pps-ldisc.c
@@ -31,7 +31,7 @@
 static void pps_tty_dcd_change(struct tty_struct *tty, unsigned int status,
 				struct pps_event_time *ts)
 {
-	struct pps_device *pps = (struct pps_device *)tty->disc_data;
+	struct pps_device *pps = pps_lookup_dev(tty);
 
 	BUG_ON(pps == NULL);
 
@@ -67,9 +67,9 @@
 		pr_err("cannot register PPS source \"%s\"\n", info.path);
 		return -ENOMEM;
 	}
-	tty->disc_data = pps;
+	pps->lookup_cookie = tty;
 
-	/* Should open N_TTY ldisc too */
+	/* Now open the base class N_TTY ldisc */
 	ret = alias_n_tty_open(tty);
 	if (ret < 0) {
 		pr_err("cannot open tty ldisc \"%s\"\n", info.path);
@@ -81,7 +81,6 @@
 	return 0;
 
 err_unregister:
-	tty->disc_data = NULL;
 	pps_unregister_source(pps);
 	return ret;
 }
@@ -90,11 +89,10 @@
 
 static void pps_tty_close(struct tty_struct *tty)
 {
-	struct pps_device *pps = (struct pps_device *)tty->disc_data;
+	struct pps_device *pps = pps_lookup_dev(tty);
 
 	alias_n_tty_close(tty);
 
-	tty->disc_data = NULL;
 	dev_info(pps->dev, "removed\n");
 	pps_unregister_source(pps);
 }
diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c
index 98fbe62..f129f4d 100644
--- a/drivers/pps/pps.c
+++ b/drivers/pps/pps.c
@@ -247,12 +247,15 @@
 	struct pps_device *pps = container_of(inode->i_cdev,
 						struct pps_device, cdev);
 	file->private_data = pps;
-
+	kobject_get(&pps->dev->kobj);
 	return 0;
 }
 
 static int pps_cdev_release(struct inode *inode, struct file *file)
 {
+	struct pps_device *pps = container_of(inode->i_cdev,
+						struct pps_device, cdev);
+	kobject_put(&pps->dev->kobj);
 	return 0;
 }
 
@@ -274,8 +277,10 @@
 {
 	struct pps_device *pps = dev_get_drvdata(dev);
 
-	/* release id here to protect others from using it while it's
-	 * still in use */
+	cdev_del(&pps->cdev);
+
+	/* Now we can release the ID for re-use */
+	pr_debug("deallocating pps%d\n", pps->id);
 	mutex_lock(&pps_idr_lock);
 	idr_remove(&pps_idr, pps->id);
 	mutex_unlock(&pps_idr_lock);
@@ -330,6 +335,7 @@
 	if (IS_ERR(pps->dev))
 		goto del_cdev;
 
+	/* Override the release function with our own */
 	pps->dev->release = pps_device_destruct;
 
 	pr_debug("source %s got cdev (%d:%d)\n", pps->info.name,
@@ -350,11 +356,44 @@
 
 void pps_unregister_cdev(struct pps_device *pps)
 {
+	pr_debug("unregistering pps%d\n", pps->id);
+	pps->lookup_cookie = NULL;
 	device_destroy(pps_class, pps->dev->devt);
-	cdev_del(&pps->cdev);
 }
 
 /*
+ * Look up a pps device by magic cookie.
+ * The cookie is usually a pointer to some enclosing device, but this
+ * code doesn't care; you should never be dereferencing it.
+ *
+ * This is a bit of a kludge that is currently used only by the PPS
+ * serial line discipline.  It may need to be tweaked when a second user
+ * is found.
+ *
+ * There is no function interface for setting the lookup_cookie field.
+ * It's initialized to NULL when the pps device is created, and if a
+ * client wants to use it, just fill it in afterward.
+ *
+ * The cookie is automatically set to NULL in pps_unregister_source()
+ * so that it will not be used again, even if the pps device cannot
+ * be removed from the idr due to pending references holding the minor
+ * number in use.
+ */
+struct pps_device *pps_lookup_dev(void const *cookie)
+{
+	struct pps_device *pps;
+	unsigned id;
+
+	rcu_read_lock();
+	idr_for_each_entry(&pps_idr, pps, id)
+		if (cookie == pps->lookup_cookie)
+			break;
+	rcu_read_unlock();
+	return pps;
+}
+EXPORT_SYMBOL(pps_lookup_dev);
+
+/*
  * Module stuff
  */
 
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 33471e1..84eab3f 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -475,6 +475,10 @@
 	u32 intval;
 	u32 ch_inte;
 
+	/* For MSI mode disable all device-level interrupts */
+	if (priv->flags & TSI721_USING_MSI)
+		iowrite32(0, priv->regs + TSI721_DEV_INTE);
+
 	dev_int = ioread32(priv->regs + TSI721_DEV_INT);
 	if (!dev_int)
 		return IRQ_NONE;
@@ -548,6 +552,13 @@
 			tsi721_pw_handler(mport);
 	}
 
+	/* For MSI mode re-enable device-level interrupts */
+	if (priv->flags & TSI721_USING_MSI) {
+		dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO |
+			TSI721_DEV_INT_SMSG_CH;
+		iowrite32(dev_int, priv->regs + TSI721_DEV_INTE);
+	}
+
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 17a58c5..8350f50 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -71,26 +71,26 @@
 	unsigned int n_bits;
 };
 
-/* Voltage maps in mV */
+/* Voltage maps in uV */
 static const struct voltage_map_desc ldo_voltage_map_desc = {
-	.min = 800,	.max = 3950,	.step = 50,	.n_bits = 6,
+	.min = 800000,	.max = 3950000,	.step = 50000,	.n_bits = 6,
 }; /* LDO1 ~ 18, 21 all */
 
 static const struct voltage_map_desc buck1245_voltage_map_desc = {
-	.min = 650,	.max = 2225,	.step = 25,	.n_bits = 6,
+	.min = 650000,	.max = 2225000,	.step = 25000,	.n_bits = 6,
 }; /* Buck1, 2, 4, 5 */
 
 static const struct voltage_map_desc buck37_voltage_map_desc = {
-	.min = 750,	.max = 3900,	.step = 50,	.n_bits = 6,
+	.min = 750000,	.max = 3900000,	.step = 50000,	.n_bits = 6,
 }; /* Buck3, 7 */
 
-/* current map in mA */
+/* current map in uA */
 static const struct voltage_map_desc charger_current_map_desc = {
-	.min = 200,	.max = 950,	.step = 50,	.n_bits = 4,
+	.min = 200000,	.max = 950000,	.step = 50000,	.n_bits = 4,
 };
 
 static const struct voltage_map_desc topoff_current_map_desc = {
-	.min = 50,	.max = 200,	.step = 10,	.n_bits = 4,
+	.min = 50000,	.max = 200000,	.step = 10000,	.n_bits = 4,
 };
 
 static const struct voltage_map_desc *reg_voltage_map[] = {
@@ -194,7 +194,7 @@
 	if (val > desc->max)
 		return -EINVAL;
 
-	return val * 1000;
+	return val;
 }
 
 static int max8997_get_enable_register(struct regulator_dev *rdev,
@@ -496,7 +496,6 @@
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
-	int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 	const struct voltage_map_desc *desc;
 	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
@@ -522,7 +521,7 @@
 
 	desc = reg_voltage_map[rid];
 
-	i = max8997_get_voltage_proper_val(desc, min_vol, max_vol);
+	i = max8997_get_voltage_proper_val(desc, min_uV, max_uV);
 	if (i < 0)
 		return i;
 
@@ -541,7 +540,7 @@
 		/* If the voltage is increasing */
 		if (org < i)
 			udelay(DIV_ROUND_UP(desc->step * (i - org),
-						max8997->ramp_delay));
+						max8997->ramp_delay * 1000));
 	}
 
 	return ret;
@@ -640,7 +639,6 @@
 	const struct voltage_map_desc *desc;
 	int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg;
 	bool gpio_dvs_mode = false;
-	int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 
 	if (rid < MAX8997_BUCK1 || rid > MAX8997_BUCK7)
 		return -EINVAL;
@@ -665,7 +663,7 @@
 						selector);
 
 	desc = reg_voltage_map[rid];
-	new_val = max8997_get_voltage_proper_val(desc, min_vol, max_vol);
+	new_val = max8997_get_voltage_proper_val(desc, min_uV, max_uV);
 	if (new_val < 0)
 		return new_val;
 
@@ -997,8 +995,8 @@
 		max8997->buck1_vol[i] = ret =
 			max8997_get_voltage_proper_val(
 					&buck1245_voltage_map_desc,
-					pdata->buck1_voltage[i] / 1000,
-					pdata->buck1_voltage[i] / 1000 +
+					pdata->buck1_voltage[i],
+					pdata->buck1_voltage[i] +
 					buck1245_voltage_map_desc.step);
 		if (ret < 0)
 			goto err_alloc;
@@ -1006,8 +1004,8 @@
 		max8997->buck2_vol[i] = ret =
 			max8997_get_voltage_proper_val(
 					&buck1245_voltage_map_desc,
-					pdata->buck2_voltage[i] / 1000,
-					pdata->buck2_voltage[i] / 1000 +
+					pdata->buck2_voltage[i],
+					pdata->buck2_voltage[i] +
 					buck1245_voltage_map_desc.step);
 		if (ret < 0)
 			goto err_alloc;
@@ -1015,8 +1013,8 @@
 		max8997->buck5_vol[i] = ret =
 			max8997_get_voltage_proper_val(
 					&buck1245_voltage_map_desc,
-					pdata->buck5_voltage[i] / 1000,
-					pdata->buck5_voltage[i] / 1000 +
+					pdata->buck5_voltage[i],
+					pdata->buck5_voltage[i] +
 					buck1245_voltage_map_desc.step);
 		if (ret < 0)
 			goto err_alloc;
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 5890265..1300383 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -492,7 +492,7 @@
 
 	difference = desc->min + desc->step*i - previous_vol/1000;
 	if (difference > 0)
-		udelay(difference / ((val & 0x0f) + 1));
+		udelay(DIV_ROUND_UP(difference, (val & 0x0f) + 1));
 
 	return ret;
 }
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index f027c06..65ef56f 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -44,6 +44,7 @@
 #define RTC_YMR		0x34	/* Year match register */
 #define RTC_YLR		0x38	/* Year data load register */
 
+#define RTC_CR_EN	(1 << 0)	/* counter enable bit */
 #define RTC_CR_CWEN	(1 << 26)	/* Clockwatch enable bit */
 
 #define RTC_TCR_EN	(1 << 1) /* Periodic timer enable bit */
@@ -312,7 +313,7 @@
 	int ret;
 	struct pl031_local *ldata;
 	struct rtc_class_ops *ops = id->data;
-	unsigned long time;
+	unsigned long time, data;
 
 	ret = amba_request_regions(adev, NULL);
 	if (ret)
@@ -339,10 +340,13 @@
 	dev_dbg(&adev->dev, "designer ID = 0x%02x\n", ldata->hw_designer);
 	dev_dbg(&adev->dev, "revision = 0x%01x\n", ldata->hw_revision);
 
+	data = readl(ldata->base + RTC_CR);
 	/* Enable the clockwatch on ST Variants */
 	if (ldata->hw_designer == AMBA_VENDOR_ST)
-		writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN,
-		       ldata->base + RTC_CR);
+		data |= RTC_CR_CWEN;
+	else
+		data |= RTC_CR_EN;
+	writel(data, ldata->base + RTC_CR);
 
 	/*
 	 * On ST PL031 variants, the RTC reset value does not provide correct
diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c
index 160e751..0787b97 100644
--- a/drivers/sbus/char/bbc_envctrl.c
+++ b/drivers/sbus/char/bbc_envctrl.c
@@ -452,6 +452,9 @@
 	if (!tp)
 		return;
 
+	INIT_LIST_HEAD(&tp->bp_list);
+	INIT_LIST_HEAD(&tp->glob_list);
+
 	tp->client = bbc_i2c_attach(bp, op);
 	if (!tp->client) {
 		kfree(tp);
@@ -497,6 +500,9 @@
 	if (!fp)
 		return;
 
+	INIT_LIST_HEAD(&fp->bp_list);
+	INIT_LIST_HEAD(&fp->glob_list);
+
 	fp->client = bbc_i2c_attach(bp, op);
 	if (!fp->client) {
 		kfree(fp);
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 5426682..7179f72 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -301,13 +301,18 @@
 	if (!bp)
 		return NULL;
 
+	INIT_LIST_HEAD(&bp->temps);
+	INIT_LIST_HEAD(&bp->fans);
+
 	bp->i2c_control_regs = of_ioremap(&op->resource[0], 0, 0x2, "bbc_i2c_regs");
 	if (!bp->i2c_control_regs)
 		goto fail;
 
-	bp->i2c_bussel_reg = of_ioremap(&op->resource[1], 0, 0x1, "bbc_i2c_bussel");
-	if (!bp->i2c_bussel_reg)
-		goto fail;
+	if (op->num_resources == 2) {
+		bp->i2c_bussel_reg = of_ioremap(&op->resource[1], 0, 0x1, "bbc_i2c_bussel");
+		if (!bp->i2c_bussel_reg)
+			goto fail;
+	}
 
 	bp->waiting = 0;
 	init_waitqueue_head(&bp->wq);
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index cbde1dc..937561f 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2500,16 +2500,15 @@
 static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
 {
 	uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
-	dma_addr_t dma_coherent_handle;
+
 	/*
 	********************************************************************
 	** here we need to tell iop 331 our freeccb.HighPart
 	** if freeccb.HighPart is not zero
 	********************************************************************
 	*/
-	dma_coherent_handle = acb->dma_coherent_handle;
-	cdb_phyaddr = (uint32_t)(dma_coherent_handle);
-	cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
+	cdb_phyaddr = lower_32_bits(acb->dma_coherent_handle);
+	cdb_phyaddr_hi32 = upper_32_bits(acb->dma_coherent_handle);
 	acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
 	/*
 	***********************************************************************
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 599240a..bc88cab 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -99,6 +99,15 @@
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3354},
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3355},
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x3356},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1920},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1921},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1922},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1923},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1924},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1925},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1926},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSH,     0x103C, 0x1928},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSF,     0x103C, 0x334d},
 	{PCI_VENDOR_ID_HP,     PCI_ANY_ID,	PCI_ANY_ID, PCI_ANY_ID,
 		PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
 	{0,}
@@ -118,13 +127,22 @@
 	{0x3249103C, "Smart Array P812", &SA5_access},
 	{0x324a103C, "Smart Array P712m", &SA5_access},
 	{0x324b103C, "Smart Array P711m", &SA5_access},
-	{0x3350103C, "Smart Array", &SA5_access},
-	{0x3351103C, "Smart Array", &SA5_access},
-	{0x3352103C, "Smart Array", &SA5_access},
-	{0x3353103C, "Smart Array", &SA5_access},
-	{0x3354103C, "Smart Array", &SA5_access},
-	{0x3355103C, "Smart Array", &SA5_access},
-	{0x3356103C, "Smart Array", &SA5_access},
+	{0x3350103C, "Smart Array P222", &SA5_access},
+	{0x3351103C, "Smart Array P420", &SA5_access},
+	{0x3352103C, "Smart Array P421", &SA5_access},
+	{0x3353103C, "Smart Array P822", &SA5_access},
+	{0x3354103C, "Smart Array P420i", &SA5_access},
+	{0x3355103C, "Smart Array P220i", &SA5_access},
+	{0x3356103C, "Smart Array P721m", &SA5_access},
+	{0x1920103C, "Smart Array", &SA5_access},
+	{0x1921103C, "Smart Array", &SA5_access},
+	{0x1922103C, "Smart Array", &SA5_access},
+	{0x1923103C, "Smart Array", &SA5_access},
+	{0x1924103C, "Smart Array", &SA5_access},
+	{0x1925103C, "Smart Array", &SA5_access},
+	{0x1926103C, "Smart Array", &SA5_access},
+	{0x1928103C, "Smart Array", &SA5_access},
+	{0x334d103C, "Smart Array P822se", &SA5_access},
 	{0xFFFF103C, "Unknown Smart Array", &SA5_access},
 };
 
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 337e8b3..ac58ee3 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -484,7 +484,8 @@
 				       evt->hostdata->dev);
 			if (evt->cmnd_done)
 				evt->cmnd_done(evt->cmnd);
-		} else if (evt->done)
+		} else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT &&
+			   evt->iu.srp.login_req.opcode != SRP_LOGIN_REQ)
 			evt->done(evt);
 		free_event_struct(&evt->hostdata->pool, evt);
 		spin_lock_irqsave(hostdata->host->host_lock, flags);
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h
index adbad69..15bd1a4 100644
--- a/drivers/scsi/isci/host.h
+++ b/drivers/scsi/isci/host.h
@@ -310,9 +310,8 @@
 }
 
 #define for_each_isci_host(id, ihost, pdev) \
-	for (id = 0, ihost = to_pci_info(pdev)->hosts[id]; \
-	     id < ARRAY_SIZE(to_pci_info(pdev)->hosts) && ihost; \
-	     ihost = to_pci_info(pdev)->hosts[++id])
+	for (id = 0; id < SCI_MAX_CONTROLLERS && \
+	     (ihost = to_pci_info(pdev)->hosts[id]); id++)
 
 static inline enum isci_status isci_host_get_state(struct isci_host *isci_host)
 {
diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c
index 6d1e954..b81f34d 100644
--- a/drivers/scsi/isci/port_config.c
+++ b/drivers/scsi/isci/port_config.c
@@ -619,13 +619,6 @@
 					  SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION);
 	} else {
 		/* the phy is already the part of the port */
-		u32 port_state = iport->sm.current_state_id;
-
-		/* if the PORT'S state is resetting then the link up is from
-		 * port hard reset in this case, we need to tell the port
-		 * that link up is recieved
-		 */
-		BUG_ON(port_state != SCI_PORT_RESETTING);
 		port_agent->phy_ready_mask |= 1 << phy_index;
 		sci_port_link_up(iport, iphy);
 	}
diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c
index 374254e..b53becf 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -956,6 +956,7 @@
 	int                       ret = TMF_RESP_FUNC_FAILED;
 	unsigned long             flags;
 	int                       perform_termination = 0;
+	int                       target_done_already = 0;
 
 	/* Get the isci_request reference from the task.  Note that
 	 * this check does not depend on the pending request list
@@ -970,9 +971,11 @@
 	/* If task is already done, the request isn't valid */
 	if (!(task->task_state_flags & SAS_TASK_STATE_DONE) &&
 	    (task->task_state_flags & SAS_TASK_AT_INITIATOR) &&
-	    old_request)
+	    old_request) {
 		isci_device = isci_lookup_device(task->dev);
-
+		target_done_already = test_bit(IREQ_COMPLETE_IN_TARGET,
+					       &old_request->flags);
+	}
 	spin_unlock(&task->task_state_lock);
 	spin_unlock_irqrestore(&isci_host->scic_lock, flags);
 
@@ -1031,7 +1034,7 @@
 	}
 	if (task->task_proto == SAS_PROTOCOL_SMP ||
 	    sas_protocol_ata(task->task_proto) ||
-	    test_bit(IREQ_COMPLETE_IN_TARGET, &old_request->flags)) {
+	    target_done_already) {
 
 		spin_unlock_irqrestore(&isci_host->scic_lock, flags);
 
@@ -1312,7 +1315,7 @@
 		/* XXX: need to cleanup any ireqs targeting this
 		 * domain_device
 		 */
-		ret = TMF_RESP_FUNC_COMPLETE;
+		ret = -ENODEV;
 		goto out;
 	}
 
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 82c3fd4..1243d2f 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -718,11 +718,21 @@
 			return NULL;
 		}
 
+		if (data_size > ISCSI_DEF_MAX_RECV_SEG_LEN) {
+			iscsi_conn_printk(KERN_ERR, conn, "Invalid buffer len of %u for login task. Max len is %u\n", data_size, ISCSI_DEF_MAX_RECV_SEG_LEN);
+			return NULL;
+		}
+
 		task = conn->login_task;
 	} else {
 		if (session->state != ISCSI_STATE_LOGGED_IN)
 			return NULL;
 
+		if (data_size != 0) {
+			iscsi_conn_printk(KERN_ERR, conn, "Can not send data buffer of len %u for op 0x%x\n", data_size, opcode);
+			return NULL;
+		}
+
 		BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE);
 		BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED);
 
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 25506c7..9bec171 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -486,6 +486,8 @@
 
 	pthru32->dataxferaddr	= kioc->buf_paddr;
 	if (kioc->data_dir & UIOC_WR) {
+		if (pthru32->dataxferlen > kioc->xferlen)
+			return -EINVAL;
 		if (copy_from_user(kioc->buf_vaddr, kioc->user_data,
 						pthru32->dataxferlen)) {
 			return (-EFAULT);
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index e5f416f..1a7955a 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1294,7 +1294,6 @@
 	u32 *reply_queue;
 	dma_addr_t reply_queue_h;
 
-	unsigned long base_addr;
 	struct megasas_register_set __iomem *reg_set;
 
 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 7926162..6188700 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3445,6 +3445,7 @@
 	u32 max_sectors_1;
 	u32 max_sectors_2;
 	u32 tmp_sectors, msix_enable;
+	resource_size_t base_addr;
 	struct megasas_register_set __iomem *reg_set;
 	struct megasas_ctrl_info *ctrl_info;
 	unsigned long bar_list;
@@ -3453,14 +3454,14 @@
 	/* Find first memory bar */
 	bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM);
 	instance->bar = find_first_bit(&bar_list, sizeof(unsigned long));
-	instance->base_addr = pci_resource_start(instance->pdev, instance->bar);
 	if (pci_request_selected_regions(instance->pdev, instance->bar,
 					 "megasas: LSI")) {
 		printk(KERN_DEBUG "megasas: IO memory region busy!\n");
 		return -EBUSY;
 	}
 
-	instance->reg_set = ioremap_nocache(instance->base_addr, 8192);
+	base_addr = pci_resource_start(instance->pdev, instance->bar);
+	instance->reg_set = ioremap_nocache(base_addr, 8192);
 
 	if (!instance->reg_set) {
 		printk(KERN_DEBUG "megasas: Failed to map IO mem\n");
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index db79362..f98cae7 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -80,10 +80,6 @@
 module_param(msix_disable, int, 0);
 MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
 
-static int missing_delay[2] = {-1, -1};
-module_param_array(missing_delay, int, NULL, 0);
-MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
-
 static int mpt2sas_fwfault_debug;
 MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
 	"and halt firmware - (default=0)");
@@ -2168,7 +2164,7 @@
 }
 
 /**
- * _base_update_missing_delay - change the missing delay timers
+ * mpt2sas_base_update_missing_delay - change the missing delay timers
  * @ioc: per adapter object
  * @device_missing_delay: amount of time till device is reported missing
  * @io_missing_delay: interval IO is returned when there is a missing device
@@ -2179,8 +2175,8 @@
  * delay, as well as the io missing delay. This should be called at driver
  * load time.
  */
-static void
-_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+void
+mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
 	u16 device_missing_delay, u8 io_missing_delay)
 {
 	u16 dmd, dmd_new, dmd_orignal;
@@ -4371,9 +4367,6 @@
 	if (r)
 		goto out_free_resources;
 
-	if (missing_delay[0] != -1 && missing_delay[1] != -1)
-		_base_update_missing_delay(ioc, missing_delay[0],
-		    missing_delay[1]);
 
 	return 0;
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index c7459fd..04968be 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -1047,6 +1047,9 @@
 
 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
 
+void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+	u16 device_missing_delay, u8 io_missing_delay);
+
 int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
 
 /* scsih shared API */
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 35a05d1..a16bc61 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -101,6 +101,10 @@
 module_param(max_sectors, ushort, 0);
 MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767  default=32767");
 
+static int missing_delay[2] = {-1, -1};
+module_param_array(missing_delay, int, NULL, 0);
+MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
+
 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
 #define MPT2SAS_MAX_LUN (16895)
 static int max_lun = MPT2SAS_MAX_LUN;
@@ -7039,11 +7043,14 @@
 	struct _sas_device *sas_device;
 	struct _sas_node *expander_device;
 	static struct _raid_device *raid_device;
+	u8 retry_count;
 
 	printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name);
 
 	_scsih_sas_host_refresh(ioc);
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n",
+		ioc->name);
 	/* expanders */
 	handle = 0xFFFF;
 	while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
@@ -7052,19 +7059,39 @@
 		    MPI2_IOCSTATUS_MASK;
 		if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
 			break;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: "
+				"ioc_status(0x%04x), loginfo(0x%08x)\n",
+				ioc->name, ioc_status,
+				le32_to_cpu(mpi_reply.IOCLogInfo));
+			break;
+		}
 		handle = le16_to_cpu(expander_pg0.DevHandle);
 		expander_device = mpt2sas_scsih_expander_find_by_sas_address(
 		    ioc, le64_to_cpu(expander_pg0.SASAddress));
 		if (expander_device)
 			_scsih_refresh_expander_links(ioc, expander_device,
 			    handle);
-		else
+		else {
+			printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: "
+				"handle (0x%04x), sas_addr(0x%016llx)\n",
+				ioc->name, handle, (unsigned long long)
+				le64_to_cpu(expander_pg0.SASAddress));
 			_scsih_expander_add(ioc, handle);
+			printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: "
+				"handle (0x%04x), sas_addr(0x%016llx)\n",
+				ioc->name, handle, (unsigned long long)
+				le64_to_cpu(expander_pg0.SASAddress));
+		}
 	}
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n",
+		ioc->name);
+
 	if (!ioc->ir_firmware)
 		goto skip_to_sas;
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name);
 	/* phys disk */
 	phys_disk_num = 0xFF;
 	while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
@@ -7074,6 +7101,13 @@
 		    MPI2_IOCSTATUS_MASK;
 		if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
 			break;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:"
+				"ioc_status(0x%04x), loginfo(0x%08x)\n",
+				ioc->name, ioc_status,
+				le32_to_cpu(mpi_reply.IOCLogInfo));
+			break;
+		}
 		phys_disk_num = pd_pg0.PhysDiskNum;
 		handle = le16_to_cpu(pd_pg0.DevHandle);
 		sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
@@ -7083,17 +7117,46 @@
 		    &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 		    handle) != 0)
 			continue;
+		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+			MPI2_IOCSTATUS_MASK;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan "
+				"ioc_status(0x%04x), loginfo(0x%08x)\n",
+				ioc->name, ioc_status,
+				le32_to_cpu(mpi_reply.IOCLogInfo));
+			break;
+		}
 		parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
 		if (!_scsih_get_sas_address(ioc, parent_handle,
 		    &sas_address)) {
+			printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: "
+				" handle (0x%04x), sas_addr(0x%016llx)\n",
+				ioc->name, handle, (unsigned long long)
+				le64_to_cpu(sas_device_pg0.SASAddress));
 			mpt2sas_transport_update_links(ioc, sas_address,
 			    handle, sas_device_pg0.PhyNum,
 			    MPI2_SAS_NEG_LINK_RATE_1_5);
 			set_bit(handle, ioc->pd_handles);
-			_scsih_add_device(ioc, handle, 0, 1);
+			retry_count = 0;
+			/* This will retry adding the end device.
+			* _scsih_add_device() will decide on retries and
+			* return "1" when it should be retried
+			*/
+			while (_scsih_add_device(ioc, handle, retry_count++,
+				1)) {
+					ssleep(1);
+			}
+			printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: "
+				" handle (0x%04x), sas_addr(0x%016llx)\n",
+				ioc->name, handle, (unsigned long long)
+				le64_to_cpu(sas_device_pg0.SASAddress));
 		}
 	}
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n",
+		ioc->name);
+
+	printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name);
 	/* volumes */
 	handle = 0xFFFF;
 	while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
@@ -7102,6 +7165,13 @@
 		    MPI2_IOCSTATUS_MASK;
 		if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
 			break;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
+				"ioc_status(0x%04x), loginfo(0x%08x)\n",
+				ioc->name, ioc_status,
+				le32_to_cpu(mpi_reply.IOCLogInfo));
+			break;
+		}
 		handle = le16_to_cpu(volume_pg1.DevHandle);
 		raid_device = _scsih_raid_device_find_by_wwid(ioc,
 		    le64_to_cpu(volume_pg1.WWID));
@@ -7111,18 +7181,38 @@
 		    &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
 		     sizeof(Mpi2RaidVolPage0_t)))
 			continue;
+		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+			MPI2_IOCSTATUS_MASK;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
+				"ioc_status(0x%04x), loginfo(0x%08x)\n",
+				ioc->name, ioc_status,
+				le32_to_cpu(mpi_reply.IOCLogInfo));
+			break;
+		}
 		if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
 		    volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
 		    volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
 			memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
 			element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
 			element.VolDevHandle = volume_pg1.DevHandle;
+			printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: "
+				" handle (0x%04x)\n", ioc->name,
+				volume_pg1.DevHandle);
 			_scsih_sas_volume_add(ioc, &element);
+			printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: "
+				" handle (0x%04x)\n", ioc->name,
+				volume_pg1.DevHandle);
 		}
 	}
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n",
+		ioc->name);
+
  skip_to_sas:
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n",
+		ioc->name);
 	/* sas devices */
 	handle = 0xFFFF;
 	while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
@@ -7132,6 +7222,13 @@
 		    MPI2_IOCSTATUS_MASK;
 		if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
 			break;
+		if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+			printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:"
+				" ioc_status(0x%04x), loginfo(0x%08x)\n",
+				ioc->name, ioc_status,
+				le32_to_cpu(mpi_reply.IOCLogInfo));
+				break;
+		}
 		handle = le16_to_cpu(sas_device_pg0.DevHandle);
 		if (!(_scsih_is_end_device(
 		    le32_to_cpu(sas_device_pg0.DeviceInfo))))
@@ -7142,12 +7239,31 @@
 			continue;
 		parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
 		if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
+			printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: "
+				"handle (0x%04x), sas_addr(0x%016llx)\n",
+				ioc->name, handle, (unsigned long long)
+				le64_to_cpu(sas_device_pg0.SASAddress));
 			mpt2sas_transport_update_links(ioc, sas_address, handle,
 			    sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
-			_scsih_add_device(ioc, handle, 0, 0);
+			retry_count = 0;
+			/* This will retry adding the end device.
+			 * _scsih_add_device() will decide on retries and
+			 * return "1" when it should be retried
+			 */
+			while (_scsih_add_device(ioc, handle, retry_count++,
+				0)) {
+					ssleep(1);
+			}
+			printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: "
+				"handle (0x%04x), sas_addr(0x%016llx)\n",
+				ioc->name, handle, (unsigned long long)
+				le64_to_cpu(sas_device_pg0.SASAddress));
 		}
 	}
 
+	printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n",
+		ioc->name);
+
 	printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name);
 }
 
@@ -7239,7 +7355,9 @@
 	case MPT2SAS_PORT_ENABLE_COMPLETE:
 		ioc->start_scan = 0;
 
-
+		if (missing_delay[0] != -1 && missing_delay[1] != -1)
+			mpt2sas_base_update_missing_delay(ioc, missing_delay[0],
+				missing_delay[1]);
 
 		dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
 		    "from worker thread\n", ioc->name));
@@ -8086,7 +8204,6 @@
 
 	mpt2sas_base_free_resources(ioc);
 	pci_save_state(pdev);
-	pci_disable_device(pdev);
 	pci_set_power_state(pdev, device_state);
 	return 0;
 }
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a244303..09bedb7 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2600,8 +2600,7 @@
 				IS_QLA25XX(ha) || IS_QLA81XX(ha) || \
 				IS_QLA82XX(ha) || IS_QLA83XX(ha))
 #define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha))
-#define IS_NOPOLLING_TYPE(ha)	((IS_QLA25XX(ha) || IS_QLA81XX(ha) || \
-			IS_QLA83XX(ha)) && (ha)->flags.msix_enabled)
+#define IS_NOPOLLING_TYPE(ha)	(IS_QLA81XX(ha) && (ha)->flags.msix_enabled)
 #define IS_FAC_REQUIRED(ha)	(IS_QLA81XX(ha) || IS_QLA83XX(ha))
 #define IS_NOCACHE_VPD_TYPE(ha)	(IS_QLA81XX(ha) || IS_QLA83XX(ha))
 #define IS_ALOGIO_CAPABLE(ha)	(IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha))
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index b3f0b0f..dcc39b6 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -916,6 +916,15 @@
 		    SCSI_SENSE_VALID(scmd))
 			continue;
 
+		if (status_byte(scmd->result) != CHECK_CONDITION)
+			/*
+			 * don't request sense if there's no check condition
+			 * status because the error we're processing isn't one
+			 * that has a sense code (and some devices get
+			 * confused by sense requests out of the blue)
+			 */
+			continue;
+
 		SCSI_LOG_ERROR_RECOVERY(2, scmd_printk(KERN_INFO, scmd,
 						  "%s: requesting sense\n",
 						  current->comm));
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 2bc0362..ac99b46 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -795,6 +795,14 @@
 			scsi_next_command(cmd);
 			return;
 		}
+	} else if (blk_rq_bytes(req) == 0 && result && !sense_deferred) {
+		/*
+		 * Certain non BLOCK_PC requests are commands that don't
+		 * actually transfer anything (FLUSH), so cannot use
+		 * good_bytes != blk_rq_bytes(req) as the signal for an error.
+		 * This sets the error explicitly for the problem case.
+		 */
+		error = __scsi_error_from_host_byte(cmd, result);
 	}
 
 	/* no bidi support for !REQ_TYPE_BLOCK_PC yet */
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index f9986cc..446c023 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1131,6 +1131,9 @@
 {
 	struct stor_mem_pools *memp = sdevice->hostdata;
 
+	if (!memp)
+		return;
+
 	mempool_destroy(memp->request_mempool);
 	kmem_cache_destroy(memp->request_pool);
 	kfree(memp);
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index d92fe40..6b349e3 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -3000,7 +3000,11 @@
 		if ((target == -1 || cp->target == target) &&
 		    (lun    == -1 || cp->lun    == lun)    &&
 		    (task   == -1 || cp->tag    == task)) {
+#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
 			sym_set_cam_status(cp->cmd, DID_SOFT_ERROR);
+#else
+			sym_set_cam_status(cp->cmd, DID_REQUEUE);
+#endif
 			sym_remque(&cp->link_ccbq);
 			sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
 		}
diff --git a/drivers/staging/bcm/InterfaceInit.c b/drivers/staging/bcm/InterfaceInit.c
index 8e3c586..e0f40ae 100644
--- a/drivers/staging/bcm/InterfaceInit.c
+++ b/drivers/staging/bcm/InterfaceInit.c
@@ -4,10 +4,12 @@
 	{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3) },
 	{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3B) },
 	{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3L) },
-	{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_SM250) },
+	{ USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_SYM) },
 	{ USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) },
 	{ USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
 	{ USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_TU25) },
+	{ USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_226) },
+	{ USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_326) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
diff --git a/drivers/staging/bcm/InterfaceInit.h b/drivers/staging/bcm/InterfaceInit.h
index 058315a..6fa4f09 100644
--- a/drivers/staging/bcm/InterfaceInit.h
+++ b/drivers/staging/bcm/InterfaceInit.h
@@ -8,10 +8,11 @@
 #define BCM_USB_PRODUCT_ID_T3 	0x0300
 #define BCM_USB_PRODUCT_ID_T3B 	0x0210
 #define BCM_USB_PRODUCT_ID_T3L 	0x0220
-#define BCM_USB_PRODUCT_ID_SM250 	0xbccd
 #define BCM_USB_PRODUCT_ID_SYM  0x15E
 #define BCM_USB_PRODUCT_ID_1901 0xe017
-#define BCM_USB_PRODUCT_ID_226  0x0132
+#define BCM_USB_PRODUCT_ID_226	0x0132 /* not sure if this is valid */
+#define BCM_USB_PRODUCT_ID_ZTE_226 0x172
+#define BCM_USB_PRODUCT_ID_ZTE_326 0x173 /* ZTE AX326 */
 #define BCM_USB_PRODUCT_ID_ZTE_TU25 0x0007
 
 #define BCM_USB_MINOR_BASE 		192
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 50dc93e..fff2757 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -1078,22 +1078,19 @@
 		DPRINTK("subdevice busy\n");
 		return -EBUSY;
 	}
-	s->busy = file;
 
 	/* make sure channel/gain list isn't too long */
 	if (user_cmd.chanlist_len > s->len_chanlist) {
 		DPRINTK("channel/gain list too long %u > %d\n",
 			user_cmd.chanlist_len, s->len_chanlist);
-		ret = -EINVAL;
-		goto cleanup;
+		return -EINVAL;
 	}
 
 	/* make sure channel/gain list isn't too short */
 	if (user_cmd.chanlist_len < 1) {
 		DPRINTK("channel/gain list too short %u < 1\n",
 			user_cmd.chanlist_len);
-		ret = -EINVAL;
-		goto cleanup;
+		return -EINVAL;
 	}
 
 	async->cmd = user_cmd;
@@ -1103,8 +1100,7 @@
 	    kmalloc(async->cmd.chanlist_len * sizeof(int), GFP_KERNEL);
 	if (!async->cmd.chanlist) {
 		DPRINTK("allocation failed\n");
-		ret = -ENOMEM;
-		goto cleanup;
+		return -ENOMEM;
 	}
 
 	if (copy_from_user(async->cmd.chanlist, user_cmd.chanlist,
@@ -1156,6 +1152,9 @@
 
 	comedi_set_subdevice_runflags(s, ~0, SRF_USER | SRF_RUNNING);
 
+	/* set s->busy _after_ setting SRF_RUNNING flag to avoid race with
+	 * comedi_read() or comedi_write() */
+	s->busy = file;
 	ret = s->do_cmd(dev, s);
 	if (ret == 0)
 		return 0;
@@ -1658,6 +1657,7 @@
 
 		if (!(comedi_get_subdevice_runflags(s) & SRF_RUNNING)) {
 			if (count == 0) {
+				mutex_lock(&dev->mutex);
 				if (comedi_get_subdevice_runflags(s) &
 					SRF_ERROR) {
 					retval = -EPIPE;
@@ -1665,6 +1665,7 @@
 					retval = 0;
 				}
 				do_become_nonbusy(dev, s);
+				mutex_unlock(&dev->mutex);
 			}
 			break;
 		}
@@ -1779,6 +1780,7 @@
 
 		if (n == 0) {
 			if (!(comedi_get_subdevice_runflags(s) & SRF_RUNNING)) {
+				mutex_lock(&dev->mutex);
 				do_become_nonbusy(dev, s);
 				if (comedi_get_subdevice_runflags(s) &
 				    SRF_ERROR) {
@@ -1786,6 +1788,7 @@
 				} else {
 					retval = 0;
 				}
+				mutex_unlock(&dev->mutex);
 				break;
 			}
 			if (file->f_flags & O_NONBLOCK) {
@@ -1823,9 +1826,11 @@
 		buf += n;
 		break;		/* makes device work like a pipe */
 	}
-	if (!(comedi_get_subdevice_runflags(s) & (SRF_ERROR | SRF_RUNNING)) &&
-	    async->buf_read_count - async->buf_write_count == 0) {
-		do_become_nonbusy(dev, s);
+	if (!(comedi_get_subdevice_runflags(s) & (SRF_ERROR | SRF_RUNNING))) {
+		mutex_lock(&dev->mutex);
+		if (async->buf_read_count - async->buf_write_count == 0)
+			do_become_nonbusy(dev, s);
+		mutex_unlock(&dev->mutex);
 	}
 	set_current_state(TASK_RUNNING);
 	remove_wait_queue(&async->wait_head, &wait);
diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c
index d2dd75e..e16d1f3 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -385,7 +385,7 @@
 	 .ai = das08_ai_rinsn,
 	 .ai_nbits = 16,
 	 .ai_pg = das08_pg_none,
-	 .ai_encoding = das08_encode12,
+	 .ai_encoding = das08_encode16,
 	 .ao = das08jr_ao_winsn,
 	 .ao_nbits = 16,
 	 .di = das08jr_di_rbits,
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 886f565..6a271e9 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -1478,22 +1478,16 @@
  *
  * Return 0 on success, errno on failure (as defined in errno.h)
  */
-static int et131x_mii_write(struct et131x_adapter *adapter, u8 reg, u16 value)
+static int et131x_mii_write(struct et131x_adapter *adapter, u8 addr, u8 reg,
+			    u16 value)
 {
 	struct mac_regs __iomem *mac = &adapter->regs->mac;
-	struct phy_device *phydev = adapter->phydev;
 	int status = 0;
-	u8 addr;
 	u32 delay = 0;
 	u32 mii_addr;
 	u32 mii_cmd;
 	u32 mii_indicator;
 
-	if (!phydev)
-		return -EIO;
-
-	addr = phydev->addr;
-
 	/* Save a local copy of the registers we are dealing with so we can
 	 * set them back
 	 */
@@ -1550,6 +1544,7 @@
 {
 	u16 reg;
 	u16 mask = 0x0001 << bitnum;
+	struct  phy_device *phydev = adapter->phydev;
 
 	/* Read the requested register */
 	et131x_mii_read(adapter, regnum, &reg);
@@ -1560,11 +1555,11 @@
 		break;
 
 	case TRUEPHY_BIT_SET:
-		et131x_mii_write(adapter, regnum, reg | mask);
+		et131x_mii_write(adapter, phydev->addr, regnum, reg | mask);
 		break;
 
 	case TRUEPHY_BIT_CLEAR:
-		et131x_mii_write(adapter, regnum, reg & ~mask);
+		et131x_mii_write(adapter, phydev->addr, regnum, reg & ~mask);
 		break;
 
 	default:
@@ -1715,17 +1710,7 @@
 	struct net_device *netdev = bus->priv;
 	struct et131x_adapter *adapter = netdev_priv(netdev);
 
-	return et131x_mii_write(adapter, reg, value);
-}
-
-static int et131x_mdio_reset(struct mii_bus *bus)
-{
-	struct net_device *netdev = bus->priv;
-	struct et131x_adapter *adapter = netdev_priv(netdev);
-
-	et131x_mii_write(adapter, MII_BMCR, BMCR_RESET);
-
-	return 0;
+	return et131x_mii_write(adapter, phy_addr, reg, value);
 }
 
 /**
@@ -1741,12 +1726,13 @@
 static void et1310_phy_power_down(struct et131x_adapter *adapter, bool down)
 {
 	u16 data;
+	struct  phy_device *phydev = adapter->phydev;
 
 	et131x_mii_read(adapter, MII_BMCR, &data);
 	data &= ~BMCR_PDOWN;
 	if (down)
 		data |= BMCR_PDOWN;
-	et131x_mii_write(adapter, MII_BMCR, data);
+	et131x_mii_write(adapter, phydev->addr, MII_BMCR, data);
 }
 
 /**
@@ -1759,6 +1745,7 @@
 	u16 imr;
 	u16 isr;
 	u16 lcr2;
+	struct  phy_device *phydev = adapter->phydev;
 
 	et131x_mii_read(adapter, PHY_INTERRUPT_STATUS, &isr);
 	et131x_mii_read(adapter, PHY_INTERRUPT_MASK, &imr);
@@ -1770,7 +1757,7 @@
 		ET_PHY_INT_MASK_LINKSTAT &
 		ET_PHY_INT_MASK_ENABLE);
 
-	et131x_mii_write(adapter, PHY_INTERRUPT_MASK, imr);
+	et131x_mii_write(adapter, phydev->addr, PHY_INTERRUPT_MASK, imr);
 
 	/* Set the LED behavior such that LED 1 indicates speed (off =
 	 * 10Mbits, blink = 100Mbits, on = 1000Mbits) and LED 2 indicates
@@ -1791,7 +1778,7 @@
 		else
 			lcr2 |= (LED_VAL_LINKON << LED_TXRX_SHIFT);
 
-		et131x_mii_write(adapter, PHY_LED_2, lcr2);
+		et131x_mii_write(adapter, phydev->addr, PHY_LED_2, lcr2);
 	}
 }
 
@@ -4202,14 +4189,14 @@
 
 			et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG,
 					 &register18);
-			et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
-					 register18 | 0x4);
-			et131x_mii_write(adapter, PHY_INDEX_REG,
+			et131x_mii_write(adapter, phydev->addr,
+					 PHY_MPHY_CONTROL_REG, register18 | 0x4);
+			et131x_mii_write(adapter, phydev->addr, PHY_INDEX_REG,
 					 register18 | 0x8402);
-			et131x_mii_write(adapter, PHY_DATA_REG,
+			et131x_mii_write(adapter, phydev->addr, PHY_DATA_REG,
 					 register18 | 511);
-			et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
-					 register18);
+			et131x_mii_write(adapter, phydev->addr,
+					 PHY_MPHY_CONTROL_REG, register18);
 		}
 
 		et1310_config_flow_control(adapter);
@@ -4221,7 +4208,8 @@
 			et131x_mii_read(adapter, PHY_CONFIG, &reg);
 			reg &= ~ET_PHY_CONFIG_TX_FIFO_DEPTH;
 			reg |= ET_PHY_CONFIG_FIFO_DEPTH_32;
-			et131x_mii_write(adapter, PHY_CONFIG, reg);
+			et131x_mii_write(adapter, phydev->addr, PHY_CONFIG,
+					 reg);
 		}
 
 		et131x_set_rx_dma_timer(adapter);
@@ -4254,14 +4242,17 @@
 
 				et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG,
 						 &register18);
-				et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
-						 register18 | 0x4);
-				et131x_mii_write(adapter, PHY_INDEX_REG,
-						 register18 | 0x8402);
-				et131x_mii_write(adapter, PHY_DATA_REG,
-						 register18 | 511);
-				et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
-						 register18);
+				et131x_mii_write(adapter, phydev->addr,
+						PHY_MPHY_CONTROL_REG,
+						register18 | 0x4);
+				et131x_mii_write(adapter, phydev->addr,
+						PHY_INDEX_REG,
+						register18 | 0x8402);
+				et131x_mii_write(adapter, phydev->addr,
+						PHY_DATA_REG, register18 | 511);
+				et131x_mii_write(adapter, phydev->addr,
+						PHY_MPHY_CONTROL_REG,
+						register18);
 			}
 
 			/* Free the packets being actively sent & stopped */
@@ -5343,10 +5334,6 @@
 	/* Copy address into the net_device struct */
 	memcpy(netdev->dev_addr, adapter->addr, ETH_ALEN);
 
-	/* Init variable for counting how long we do not have link status */
-	adapter->boot_coma = 0;
-	et1310_disable_phy_coma(adapter);
-
 	rc = -ENOMEM;
 
 	/* Setup the mii_bus struct */
@@ -5362,7 +5349,6 @@
 	adapter->mii_bus->priv = netdev;
 	adapter->mii_bus->read = et131x_mdio_read;
 	adapter->mii_bus->write = et131x_mdio_write;
-	adapter->mii_bus->reset = et131x_mdio_reset;
 	adapter->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
 	if (!adapter->mii_bus->irq) {
 		dev_err(&pdev->dev, "mii_bus irq allocation failed\n");
@@ -5387,6 +5373,10 @@
 	/* Setup et1310 as per the documentation */
 	et131x_adapter_setup(adapter);
 
+	/* Init variable for counting how long we do not have link status */
+	adapter->boot_coma = 0;
+	et1310_disable_phy_coma(adapter);
+
 	/* We can enable interrupts now
 	 *
 	 *  NOTE - Because registration of interrupt handler is done in the
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index 90d2d44..3f71e9e 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -378,8 +378,11 @@
 */
 static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
 {
-	if (substream->runtime && snd_pcm_running(substream))
+	if (substream->runtime && snd_pcm_running(substream)) {
+		snd_pcm_stream_lock_irq(substream);
 		snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
+		snd_pcm_stream_unlock_irq(substream);
+	}
 }
 
 /*
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 91a97b3..5877b2c 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -345,7 +345,7 @@
 	}
 	if (unlikely
 	    (skb->truesize !=
-	     sizeof(*skb) + skb_end_pointer(skb) - skb->head)) {
+	     sizeof(*skb) + skb_end_offset(skb))) {
 		/*
 		   printk("TX buffer truesize has been changed\n");
 		 */
diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c
index 5b03b40..79f3b97 100644
--- a/drivers/staging/rtl8712/rtl871x_recv.c
+++ b/drivers/staging/rtl8712/rtl871x_recv.c
@@ -253,7 +253,7 @@
 	struct sta_info *psta;
 	struct	sta_priv *pstapriv;
 	union recv_frame *prtnframe;
-	u16 ether_type = 0;
+	u16 ether_type;
 
 	pstapriv = &adapter->stapriv;
 	ptr = get_recvframe_data(precv_frame);
@@ -262,15 +262,14 @@
 	psta = r8712_get_stainfo(pstapriv, psta_addr);
 	auth_alg = adapter->securitypriv.AuthAlgrthm;
 	if (auth_alg == 2) {
+		/* get ether_type */
+		ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE;
+		memcpy(&ether_type, ptr, 2);
+		ether_type = ntohs((unsigned short)ether_type);
+
 		if ((psta != NULL) && (psta->ieee8021x_blocked)) {
 			/* blocked
 			 * only accept EAPOL frame */
-			prtnframe = precv_frame;
-			/*get ether_type */
-			ptr = ptr + pfhdr->attrib.hdrlen +
-			      pfhdr->attrib.iv_len + LLC_HEADER_SIZE;
-			memcpy(&ether_type, ptr, 2);
-			ether_type = ntohs((unsigned short)ether_type);
 			if (ether_type == 0x888e)
 				prtnframe = precv_frame;
 			else {
diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index ae1d815..a85d5c9 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -771,7 +771,7 @@
 		goto startup_error;
 	}
 
-	switch (serial->dev->descriptor.idProduct) {
+	switch (le16_to_cpu(serial->dev->descriptor.idProduct)) {
 	case QUATECH_DSU100:
 	case QUATECH_QSU100:
 	case QUATECH_ESU100A:
diff --git a/drivers/staging/speakup/i18n.c b/drivers/staging/speakup/i18n.c
index c211943..7656014 100644
--- a/drivers/staging/speakup/i18n.c
+++ b/drivers/staging/speakup/i18n.c
@@ -390,7 +390,7 @@
 
 static const  int num_groups = sizeof(all_groups) / sizeof(struct msg_group_t);
 
-char *msg_get(enum msg_index_t index)
+char *spk_msg_get(enum msg_index_t index)
 {
 	char *ch;
 
@@ -540,7 +540,7 @@
  * -EINVAL -  Invalid format specifiers in formatted message or illegal index.
  * -ENOMEM -  Unable to allocate memory.
 */
-ssize_t msg_set(enum msg_index_t index, char *text, size_t length)
+ssize_t spk_msg_set(enum msg_index_t index, char *text, size_t length)
 {
 	int rc = 0;
 	char *newstr = NULL;
@@ -575,7 +575,7 @@
  * Find a message group, given its name.  Return a pointer to the structure
  * if found, or NULL otherwise.
 */
-struct msg_group_t *find_msg_group(const char *group_name)
+struct msg_group_t *spk_find_msg_group(const char *group_name)
 {
 	struct msg_group_t *group = NULL;
 	int i;
@@ -589,7 +589,7 @@
 	return group;
 }
 
-void reset_msg_group(struct msg_group_t *group)
+void spk_reset_msg_group(struct msg_group_t *group)
 {
 	unsigned long flags;
 	enum msg_index_t i;
@@ -605,14 +605,14 @@
 }
 
 /* Called at initialization time, to establish default messages. */
-void initialize_msgs(void)
+void spk_initialize_msgs(void)
 {
 	memcpy(speakup_msgs, speakup_default_msgs,
 		sizeof(speakup_default_msgs));
 }
 
 /* Free user-supplied strings when module is unloaded: */
-void free_user_msgs(void)
+void spk_free_user_msgs(void)
 {
 	enum msg_index_t index;
 	unsigned long flags;
diff --git a/drivers/staging/speakup/i18n.h b/drivers/staging/speakup/i18n.h
index 65caa80..dd338f4 100644
--- a/drivers/staging/speakup/i18n.h
+++ b/drivers/staging/speakup/i18n.h
@@ -218,11 +218,11 @@
 	enum msg_index_t end;
 };
 
-extern char *msg_get(enum msg_index_t index);
-extern ssize_t msg_set(enum msg_index_t index, char *text, size_t length);
-extern struct msg_group_t *find_msg_group(const char *group_name);
-extern void reset_msg_group(struct msg_group_t *group);
-extern void initialize_msgs(void);
-extern void free_user_msgs(void);
+extern char *spk_msg_get(enum msg_index_t index);
+extern ssize_t spk_msg_set(enum msg_index_t index, char *text, size_t length);
+extern struct msg_group_t *spk_find_msg_group(const char *group_name);
+extern void spk_reset_msg_group(struct msg_group_t *group);
+extern void spk_initialize_msgs(void);
+extern void spk_free_user_msgs(void);
 
 #endif
diff --git a/drivers/staging/speakup/keyhelp.c b/drivers/staging/speakup/keyhelp.c
index 170f388..4c584ec 100644
--- a/drivers/staging/speakup/keyhelp.c
+++ b/drivers/staging/speakup/keyhelp.c
@@ -115,10 +115,10 @@
 	key &= 0xff;
 	for (i = 0; i < 6; i++) {
 		if (state & masks[i])
-			synth_printf(" %s", msg_get(MSG_STATES_START + i));
+			synth_printf(" %s", spk_msg_get(MSG_STATES_START + i));
 	}
 	if ((key > 0) && (key <= num_key_names))
-		synth_printf(" %s\n", msg_get(MSG_KEYNAMES_START + (key - 1)));
+		synth_printf(" %s\n", spk_msg_get(MSG_KEYNAMES_START + (key - 1)));
 }
 
 static int help_init(void)
@@ -126,9 +126,9 @@
 	char start = SPACE;
 	int i;
 	int num_funcs = MSG_FUNCNAMES_END - MSG_FUNCNAMES_START + 1;
-state_tbl = our_keys[0]+SHIFT_TBL_SIZE+2;
+state_tbl = spk_our_keys[0]+SHIFT_TBL_SIZE+2;
 	for (i = 0; i < num_funcs; i++) {
-		char *cur_funcname = msg_get(MSG_FUNCNAMES_START + i);
+		char *cur_funcname = spk_msg_get(MSG_FUNCNAMES_START + i);
 		if (start == *cur_funcname)
 			continue;
 		start = *cur_funcname;
@@ -137,7 +137,7 @@
 	return 0;
 }
 
-int handle_help(struct vc_data *vc, u_char type, u_char ch, u_short key)
+int spk_handle_help(struct vc_data *vc, u_char type, u_char ch, u_short key)
 {
 	int i, n;
 	char *name;
@@ -147,15 +147,15 @@
 		help_init();
 	if (type == KT_LATIN) {
 		if (ch == SPACE) {
-			special_handler = NULL;
-			synth_printf("%s\n", msg_get(MSG_LEAVING_HELP));
+			spk_special_handler = NULL;
+			synth_printf("%s\n", spk_msg_get(MSG_LEAVING_HELP));
 			return 1;
 		}
 		ch |= 32; /* lower case */
 		if (ch < 'a' || ch > 'z')
 			return -1;
 		if (letter_offsets[ch-'a'] == -1) {
-			synth_printf(msg_get(MSG_NO_COMMAND), ch);
+			synth_printf(spk_msg_get(MSG_NO_COMMAND), ch);
 			synth_printf("\n");
 			return 1;
 		}
@@ -169,47 +169,47 @@
 			cur_item--;
 		else
 			return -1;
-	} else if (type == KT_SPKUP && ch == SPEAKUP_HELP && !special_handler) {
-		special_handler = handle_help;
-		synth_printf("%s\n", msg_get(MSG_HELP_INFO));
+	} else if (type == KT_SPKUP && ch == SPEAKUP_HELP && !spk_special_handler) {
+		spk_special_handler = spk_handle_help;
+		synth_printf("%s\n", spk_msg_get(MSG_HELP_INFO));
 		build_key_data(); /* rebuild each time in case new mapping */
 		return 1;
 	} else {
 		name = NULL;
 		if ((type != KT_SPKUP) && (key > 0) && (key <= num_key_names)) {
 			synth_printf("%s\n",
-				msg_get(MSG_KEYNAMES_START + key-1));
+				spk_msg_get(MSG_KEYNAMES_START + key-1));
 			return 1;
 		}
 		for (i = 0; funcvals[i] != 0 && !name; i++) {
 			if (ch == funcvals[i])
-				name = msg_get(MSG_FUNCNAMES_START + i);
+				name = spk_msg_get(MSG_FUNCNAMES_START + i);
 		}
 		if (!name)
 			return -1;
-		kp = our_keys[key]+1;
+		kp = spk_our_keys[key]+1;
 		for (i = 0; i < nstates; i++) {
 			if (ch == kp[i])
 				break;
 		}
 		key += (state_tbl[i] << 8);
 		say_key(key);
-		synth_printf(msg_get(MSG_KEYDESC), name);
+		synth_printf(spk_msg_get(MSG_KEYDESC), name);
 		synth_printf("\n");
 		return 1;
 	}
-	name = msg_get(MSG_FUNCNAMES_START + cur_item);
+	name = spk_msg_get(MSG_FUNCNAMES_START + cur_item);
 	func = funcvals[cur_item];
 	synth_printf("%s", name);
 	if (key_offsets[func] == 0) {
-		synth_printf(" %s\n", msg_get(MSG_IS_UNASSIGNED));
+		synth_printf(" %s\n", spk_msg_get(MSG_IS_UNASSIGNED));
 		return 1;
 	}
 	p_keys = key_data + key_offsets[func];
 	for (n = 0; p_keys[n]; n++) {
 		val = p_keys[n];
 		if (n > 0)
-			synth_printf("%s ", msg_get(MSG_DISJUNCTION));
+			synth_printf("%s ", spk_msg_get(MSG_DISJUNCTION));
 		say_key(val);
 	}
 	return 1;
diff --git a/drivers/staging/speakup/kobjects.c b/drivers/staging/speakup/kobjects.c
index 2093896..86387f4 100644
--- a/drivers/staging/speakup/kobjects.c
+++ b/drivers/staging/speakup/kobjects.c
@@ -41,7 +41,7 @@
 			break;
 		if (strcmp("characters", attr->attr.name) == 0) {
 			len = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
-					i, characters[i]);
+					i, spk_characters[i]);
 		} else {	/* show chartab entry */
 			if (IS_TYPE(i, B_CTL))
 				cp = "B_CTL";
@@ -185,12 +185,12 @@
 		outptr[desc_length] = '\0';
 
 		if (do_characters) {
-			if (characters[index] != default_chars[index])
-				kfree(characters[index]);
-			characters[index] = desc;
+			if (spk_characters[index] != spk_default_chars[index])
+				kfree(spk_characters[index]);
+			spk_characters[index] = desc;
 			used++;
 		} else {
-			charclass = chartab_get_value(keyword);
+			charclass = spk_chartab_get_value(keyword);
 			if (charclass == 0) {
 				rejected++;
 				cp = linefeed + 1;
@@ -206,9 +206,9 @@
 
 	if (reset) {
 		if (do_characters)
-			reset_default_chars();
+			spk_reset_default_chars();
 		else
-			reset_default_chartab();
+			spk_reset_default_chartab();
 	}
 
 	spk_unlock(flags);
@@ -232,7 +232,7 @@
 	u_char ch;
 	unsigned long flags;
 	spk_lock(flags);
-	cp1 = key_buf + SHIFT_TBL_SIZE;
+	cp1 = spk_key_buf + SHIFT_TBL_SIZE;
 	num_keys = (int)(*cp1);
 	nstates = (int)cp1[1];
 	cp += sprintf(cp, "%d, %d, %d,\n", KEY_MAP_VER, num_keys, nstates);
@@ -271,7 +271,7 @@
 		return -ENOMEM;
 	}
 	if (strchr("dDrR", *in_buff)) {
-		set_key_info(key_defaults, key_buf);
+		spk_set_key_info(spk_key_defaults, spk_key_buf);
 		pr_info("keymap set to default values\n");
 		kfree(in_buff);
 		spk_unlock(flags);
@@ -282,14 +282,14 @@
 	cp = in_buff;
 	cp1 = (u_char *)in_buff;
 	for (i = 0; i < 3; i++) {
-		cp = s2uchar(cp, cp1);
+		cp = spk_s2uchar(cp, cp1);
 		cp1++;
 	}
 	i = (int)cp1[-2]+1;
 	i *= (int)cp1[-1]+1;
 	i += 2; /* 0 and last map ver */
 	if (cp1[-3] != KEY_MAP_VER || cp1[-1] > 10 ||
-			i+SHIFT_TBL_SIZE+4 >= sizeof(key_buf)) {
+			i+SHIFT_TBL_SIZE+4 >= sizeof(spk_key_buf)) {
 		pr_warn("i %d %d %d %d\n", i,
 				(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
 		kfree(in_buff);
@@ -297,7 +297,7 @@
 		return -EINVAL;
 	}
 	while (--i >= 0) {
-		cp = s2uchar(cp, cp1);
+		cp = spk_s2uchar(cp, cp1);
 		cp1++;
 		if (!(*cp))
 			break;
@@ -307,8 +307,8 @@
 		pr_warn("end %d %d %d %d\n", i,
 				(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
 	} else {
-		if (set_key_info(in_buff, key_buf)) {
-			set_key_info(key_defaults, key_buf);
+		if (spk_set_key_info(in_buff, spk_key_buf)) {
+			spk_set_key_info(spk_key_defaults, spk_key_buf);
 			ret = -EINVAL;
 			pr_warn("set key failed\n");
 		}
@@ -343,7 +343,7 @@
 	spk_lock(flags);
 	if (ch&2) {
 		shut = 1;
-		do_flush();
+		spk_do_flush();
 	} else {
 		shut = 0;
 	}
@@ -388,7 +388,7 @@
 	if (new_synth_name[len - 1] == '\n')
 		len--;
 	new_synth_name[len] = '\0';
-	strlwr(new_synth_name);
+	spk_strlwr(new_synth_name);
 	if ((synth != NULL) && (!strcmp(new_synth_name, synth->name))) {
 		pr_warn("%s already in use\n", new_synth_name);
 	} else if (synth_init(new_synth_name) != 0) {
@@ -417,7 +417,7 @@
 		bytes = min_t(size_t, len, 250);
 		strncpy(tmp, ptr, bytes);
 		tmp[bytes] = '\0';
-		xlate(tmp);
+		spk_xlate(tmp);
 		synth_printf("%s", tmp);
 		ptr += bytes;
 		len -= bytes;
@@ -455,14 +455,14 @@
 	short mask;
 	unsigned long flags;
 
-	p_header = var_header_by_name(attr->attr.name);
+	p_header = spk_var_header_by_name(attr->attr.name);
 	if (p_header == NULL) {
 		pr_warn("p_header is null, attr->attr.name is %s\n",
 			attr->attr.name);
 		return -EINVAL;
 	}
 
-	var = get_punc_var(p_header->var_id);
+	var = spk_get_punc_var(p_header->var_id);
 	if (var == NULL) {
 		pr_warn("var is null, p_header->var_id is %i\n",
 				p_header->var_id);
@@ -470,7 +470,7 @@
 	}
 
 	spk_lock(flags);
-	pb = (struct st_bits_data *) &punc_info[var->value];
+	pb = (struct st_bits_data *) &spk_punc_info[var->value];
 	mask = pb->mask;
 	for (i = 33; i < 128; i++) {
 		if (!(spk_chartab[i]&mask))
@@ -497,14 +497,14 @@
 	if (x < 1 || x > 99)
 		return -EINVAL;
 
-	p_header = var_header_by_name(attr->attr.name);
+	p_header = spk_var_header_by_name(attr->attr.name);
 	if (p_header == NULL) {
 		pr_warn("p_header is null, attr->attr.name is %s\n",
 			attr->attr.name);
 		return -EINVAL;
 	}
 
-	var = get_punc_var(p_header->var_id);
+	var = spk_get_punc_var(p_header->var_id);
 	if (var == NULL) {
 		pr_warn("var is null, p_header->var_id is %i\n",
 				p_header->var_id);
@@ -520,9 +520,9 @@
 	spk_lock(flags);
 
 	if (*punc_buf == 'd' || *punc_buf == 'r')
-		x = set_mask_bits(0, var->value, 3);
+		x = spk_set_mask_bits(0, var->value, 3);
 	else
-		x = set_mask_bits(punc_buf, var->value, 3);
+		x = spk_set_mask_bits(punc_buf, var->value, 3);
 
 	spk_unlock(flags);
 	return count;
@@ -542,7 +542,7 @@
 	char ch;
 	unsigned long flags;
 
-	param = var_header_by_name(attr->attr.name);
+	param = spk_var_header_by_name(attr->attr.name);
 	if (param == NULL)
 		return -EINVAL;
 
@@ -599,13 +599,13 @@
 	int value;
 	unsigned long flags;
 
-	param = var_header_by_name(attr->attr.name);
+	param = spk_var_header_by_name(attr->attr.name);
 	if (param == NULL)
 		return -EINVAL;
 	if (param->data == NULL)
 		return 0;
 	ret = 0;
-	cp = xlate((char *) buf);
+	cp = spk_xlate((char *) buf);
 
 	spk_lock(flags);
 	switch (param->var_type) {
@@ -618,7 +618,7 @@
 		else
 			len = E_SET;
 		speakup_s2i(cp, &value);
-		ret = set_num_var(value, param, len);
+		ret = spk_set_num_var(value, param, len);
 		if (ret == E_RANGE) {
 			var_data = param->data;
 			pr_warn("value for %s out of range, expect %d to %d\n",
@@ -636,7 +636,7 @@
 		}
 		cp = (char *) buf;
 		cp[len] = '\0';
-		ret = set_string_var(buf, param, len);
+		ret = spk_set_string_var(buf, param, len);
 		if (ret == E_TOOLONG)
 			pr_warn("value too long for %s\n",
 					attr->attr.name);
@@ -652,19 +652,19 @@
 	 */
 	if (strcmp(attr->attr.name, "voice") == 0) {
 		if (synth && synth->default_pitch) {
-			param = var_header_by_name("pitch");
+			param = spk_var_header_by_name("pitch");
 			if (param)  {
-				set_num_var(synth->default_pitch[value], param,
+				spk_set_num_var(synth->default_pitch[value], param,
 					E_NEW_DEFAULT);
-				set_num_var(0, param, E_DEFAULT);
+				spk_set_num_var(0, param, E_DEFAULT);
 			}
 		}
 		if (synth && synth->default_vol) {
-			param = var_header_by_name("vol");
+			param = spk_var_header_by_name("vol");
 			if (param)  {
-				set_num_var(synth->default_vol[value], param,
+				spk_set_num_var(synth->default_vol[value], param,
 					E_NEW_DEFAULT);
-				set_num_var(0, param, E_DEFAULT);
+				spk_set_num_var(0, param, E_DEFAULT);
 			}
 		}
 	}
@@ -694,7 +694,7 @@
 		if (bufsize <= 1)
 			break;
 		printed = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
-			index, msg_get(cursor));
+			index, spk_msg_get(cursor));
 		buf_pointer += printed;
 		bufsize -= printed;
 	}
@@ -788,7 +788,7 @@
 			continue;
 		}
 
-		msg_stored = msg_set(curmessage, temp, desc_length);
+		msg_stored = spk_msg_set(curmessage, temp, desc_length);
 		if (msg_stored < 0) {
 			retval = msg_stored;
 			if (msg_stored == -ENOMEM)
@@ -802,7 +802,7 @@
 	}
 
 	if (reset)
-		reset_msg_group(group);
+		spk_reset_msg_group(group);
 
 	report_msg_status(reset, received, used, rejected, group->name);
 	return retval;
@@ -812,7 +812,7 @@
 	struct kobj_attribute *attr, char *buf)
 {
 	ssize_t retval = 0;
-	struct msg_group_t *group = find_msg_group(attr->attr.name);
+	struct msg_group_t *group = spk_find_msg_group(attr->attr.name);
 	unsigned long flags;
 
 	BUG_ON(!group);
@@ -826,7 +826,7 @@
 	const char *buf, size_t count)
 {
 	ssize_t retval = 0;
-	struct msg_group_t *group = find_msg_group(attr->attr.name);
+	struct msg_group_t *group = spk_find_msg_group(attr->attr.name);
 
 	BUG_ON(!group);
 	retval = message_store_helper(buf, count, group);
diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
index 40e2488..192218a 100644
--- a/drivers/staging/speakup/main.c
+++ b/drivers/staging/speakup/main.c
@@ -65,23 +65,23 @@
 
 char *synth_name;
 module_param_named(synth, synth_name, charp, S_IRUGO);
-module_param_named(quiet, quiet_boot, bool, S_IRUGO);
+module_param_named(quiet, spk_quiet_boot, bool, S_IRUGO);
 
 MODULE_PARM_DESC(synth, "Synth to start if speakup is built in.");
 MODULE_PARM_DESC(quiet, "Do not announce when the synthesizer is found.");
 
-special_func special_handler;
+special_func spk_special_handler;
 
-short pitch_shift, synth_flags;
+short spk_pitch_shift, synth_flags;
 static char buf[256];
-int attrib_bleep, bleeps, bleep_time = 10;
-int no_intr, spell_delay;
-int key_echo, say_word_ctl;
-int say_ctrl, bell_pos;
-short punc_mask;
-int punc_level, reading_punc;
-char str_caps_start[MAXVARLEN + 1] = "\0", str_caps_stop[MAXVARLEN + 1] = "\0";
-const struct st_bits_data punc_info[] = {
+int spk_attrib_bleep, spk_bleeps, spk_bleep_time = 10;
+int spk_no_intr, spk_spell_delay;
+int spk_key_echo, spk_say_word_ctl;
+int spk_say_ctrl, spk_bell_pos;
+short spk_punc_mask;
+int spk_punc_level, spk_reading_punc;
+char spk_str_caps_start[MAXVARLEN + 1] = "\0", spk_str_caps_stop[MAXVARLEN + 1] = "\0";
+const struct st_bits_data spk_punc_info[] = {
 	{"none", "", 0},
 	{"some", "/$%&@", SOME},
 	{"most", "$%&#()=+*/@^<>|\\", MOST},
@@ -95,9 +95,9 @@
 
 static char mark_cut_flag;
 #define MAX_KEY 160
-u_char *our_keys[MAX_KEY], *shift_table;
-u_char key_buf[600];
-const u_char key_defaults[] = {
+u_char *spk_our_keys[MAX_KEY], *spk_shift_table;
+u_char spk_key_buf[600];
+const u_char spk_key_defaults[] = {
 #include "speakupmap.h"
 };
 
@@ -129,9 +129,9 @@
 /* array of 256 char pointers (one for each character description)
  * initialized to default_chars and user selectable via
  * /proc/speakup/characters */
-char *characters[256];
+char *spk_characters[256];
 
-char *default_chars[256] = {
+char *spk_default_chars[256] = {
 /*000*/ "null", "^a", "^b", "^c", "^d", "^e", "^f", "^g",
 /*008*/ "^h", "^i", "^j", "^k", "^l", "^m", "^n", "^o",
 /*016*/ "^p", "^q", "^r", "^s", "^t", "^u", "^v", "^w",
@@ -238,7 +238,7 @@
 };
 
 struct task_struct *speakup_task;
-struct bleep unprocessed_sound;
+struct bleep spk_unprocessed_sound;
 static int spk_keydown;
 static u_char spk_lastkey, spk_close_press, keymap_flags;
 static u_char last_keycode, this_speakup_key;
@@ -282,13 +282,13 @@
 		350, 370, 392, 414, 440, 466, 491, 523, 554, 587, 619, 659
 	};
 	short freq;
-	int time = bleep_time;
+	int time = spk_bleep_time;
 	freq = vals[val % 12];
 	if (val > 11)
 		freq *= (1 << (val / 12));
-	unprocessed_sound.freq = freq;
-	unprocessed_sound.jiffies = msecs_to_jiffies(time);
-	unprocessed_sound.active = 1;
+	spk_unprocessed_sound.freq = freq;
+	spk_unprocessed_sound.jiffies = msecs_to_jiffies(time);
+	spk_unprocessed_sound.active = 1;
 	/* We can only have 1 active sound at a time. */
 }
 
@@ -300,7 +300,7 @@
 	spk_parked &= 0xfe;
 	speakup_date(vc);
 	if (synth != NULL)
-		do_flush();
+		spk_do_flush();
 }
 
 static void speech_kill(struct vc_data *vc)
@@ -313,9 +313,9 @@
 	if (val == 2 || spk_killed) {
 		/* dead */
 		spk_shut_up &= ~0x40;
-		synth_printf("%s\n", msg_get(MSG_IAM_ALIVE));
+		synth_printf("%s\n", spk_msg_get(MSG_IAM_ALIVE));
 	} else {
-		synth_printf("%s\n", msg_get(MSG_YOU_KILLED_SPEAKUP));
+		synth_printf("%s\n", spk_msg_get(MSG_YOU_KILLED_SPEAKUP));
 		spk_shut_up |= 0x40;
 	}
 }
@@ -324,10 +324,10 @@
 {
 	if (spk_shut_up & 0x80) {
 		spk_shut_up &= 0x7f;
-		synth_printf("%s\n", msg_get(MSG_HEY_THATS_BETTER));
+		synth_printf("%s\n", spk_msg_get(MSG_HEY_THATS_BETTER));
 	} else {
 		spk_shut_up |= 0x80;
-		synth_printf("%s\n", msg_get(MSG_YOU_TURNED_ME_OFF));
+		synth_printf("%s\n", spk_msg_get(MSG_YOU_TURNED_ME_OFF));
 	}
 	speakup_date(vc);
 }
@@ -336,10 +336,10 @@
 {
 	if (spk_parked & 0x80) {
 		spk_parked = 0;
-		synth_printf("%s\n", msg_get(MSG_UNPARKED));
+		synth_printf("%s\n", spk_msg_get(MSG_UNPARKED));
 	} else {
 		spk_parked |= 0x80;
-		synth_printf("%s\n", msg_get(MSG_PARKED));
+		synth_printf("%s\n", spk_msg_get(MSG_PARKED));
 	}
 }
 
@@ -350,16 +350,16 @@
 
 	if (!mark_cut_flag) {
 		mark_cut_flag = 1;
-		xs = (u_short) spk_x;
-		ys = (u_short) spk_y;
+		spk_xs = (u_short) spk_x;
+		spk_ys = (u_short) spk_y;
 		spk_sel_cons = vc;
-		synth_printf("%s\n", msg_get(MSG_MARK));
+		synth_printf("%s\n", spk_msg_get(MSG_MARK));
 		return;
 	}
-	xe = (u_short) spk_x;
-	ye = (u_short) spk_y;
+	spk_xe = (u_short) spk_x;
+	spk_ye = (u_short) spk_y;
 	mark_cut_flag = 0;
-	synth_printf("%s\n", msg_get(MSG_CUT));
+	synth_printf("%s\n", spk_msg_get(MSG_CUT));
 
 	speakup_clear_selection();
 	ret = speakup_set_selection(tty);
@@ -383,9 +383,9 @@
 {
 	if (mark_cut_flag) {
 		mark_cut_flag = 0;
-		synth_printf("%s\n", msg_get(MSG_MARK_CLEARED));
+		synth_printf("%s\n", spk_msg_get(MSG_MARK_CLEARED));
 	} else {
-		synth_printf("%s\n", msg_get(MSG_PASTE));
+		synth_printf("%s\n", spk_msg_get(MSG_PASTE));
 		speakup_paste_selection(tty);
 	}
 }
@@ -395,16 +395,16 @@
 	int fg = spk_attr & 0x0f;
 	int bg = spk_attr >> 4;
 	if (fg > 8) {
-		synth_printf("%s ", msg_get(MSG_BRIGHT));
+		synth_printf("%s ", spk_msg_get(MSG_BRIGHT));
 		fg -= 8;
 	}
-	synth_printf("%s", msg_get(MSG_COLORS_START + fg));
+	synth_printf("%s", spk_msg_get(MSG_COLORS_START + fg));
 	if (bg > 7) {
-		synth_printf(" %s ", msg_get(MSG_ON_BLINKING));
+		synth_printf(" %s ", spk_msg_get(MSG_ON_BLINKING));
 		bg -= 8;
 	} else
-		synth_printf(" %s ", msg_get(MSG_ON));
-	synth_printf("%s\n", msg_get(MSG_COLORS_START + bg));
+		synth_printf(" %s ", spk_msg_get(MSG_ON));
+	synth_printf("%s\n", spk_msg_get(MSG_COLORS_START + bg));
 }
 
 enum {
@@ -417,24 +417,24 @@
 
 static void announce_edge(struct vc_data *vc, int msg_id)
 {
-	if (bleeps & 1)
+	if (spk_bleeps & 1)
 		bleep(spk_y);
-	if ((bleeps & 2) && (msg_id < edge_quiet))
-		synth_printf("%s\n", msg_get(MSG_EDGE_MSGS_START + msg_id - 1));
+	if ((spk_bleeps & 2) && (msg_id < edge_quiet))
+		synth_printf("%s\n", spk_msg_get(MSG_EDGE_MSGS_START + msg_id - 1));
 }
 
 static void speak_char(u_char ch)
 {
-	char *cp = characters[ch];
-	struct var_t *direct = get_var(DIRECT);
+	char *cp = spk_characters[ch];
+	struct var_t *direct = spk_get_var(DIRECT);
 	if (direct && direct->u.n.value) {
 		if (IS_CHAR(ch, B_CAP)) {
-			pitch_shift++;
-			synth_printf("%s", str_caps_start);
+			spk_pitch_shift++;
+			synth_printf("%s", spk_str_caps_start);
 		}
 		synth_printf("%c", ch);
 		if (IS_CHAR(ch, B_CAP))
-			synth_printf("%s", str_caps_stop);
+			synth_printf("%s", spk_str_caps_stop);
 		return;
 	}
 	if (cp == NULL) {
@@ -443,13 +443,13 @@
 	}
 	synth_buffer_add(SPACE);
 	if (IS_CHAR(ch, B_CAP)) {
-		pitch_shift++;
-		synth_printf("%s", str_caps_start);
+		spk_pitch_shift++;
+		synth_printf("%s", spk_str_caps_start);
 		synth_printf("%s", cp);
-		synth_printf("%s", str_caps_stop);
+		synth_printf("%s", spk_str_caps_stop);
 	} else {
 		if (*cp == '^') {
-			synth_printf("%s", msg_get(MSG_CTRL));
+			synth_printf("%s", spk_msg_get(MSG_CTRL));
 			cp++;
 		}
 		synth_printf("%s", cp);
@@ -479,9 +479,9 @@
 	spk_old_attr = spk_attr;
 	ch = get_char(vc, (u_short *) spk_pos, &spk_attr);
 	if (spk_attr != spk_old_attr) {
-		if (attrib_bleep & 1)
+		if (spk_attrib_bleep & 1)
 			bleep(spk_y);
-		if (attrib_bleep & 2)
+		if (spk_attrib_bleep & 2)
 			say_attributes(vc);
 	}
 	speak_char(ch & 0xff);
@@ -497,7 +497,7 @@
 		synth_printf("%s\n", phonetic[--ch]);
 	} else {
 		if (IS_CHAR(ch, B_NUM))
-			synth_printf("%s ", msg_get(MSG_NUMBER));
+			synth_printf("%s ", spk_msg_get(MSG_NUMBER));
 		speak_char(ch);
 	}
 }
@@ -527,8 +527,8 @@
 }
 
 /* get_word - will first check to see if the character under the
- * reading cursor is a space and if say_word_ctl is true it will
- * return the word space.  If say_word_ctl is not set it will check to
+ * reading cursor is a space and if spk_say_word_ctl is true it will
+ * return the word space.  If spk_say_word_ctl is not set it will check to
  * see if there is a word starting on the next position to the right
  * and return that word if it exists.  If it does not exist it will
  * move left to the beginning of any previous word on the line or the
@@ -544,9 +544,9 @@
 	ch = (char)get_char(vc, (u_short *) tmp_pos, &temp);
 
 /* decided to take out the sayword if on a space (mis-information */
-	if (say_word_ctl && ch == SPACE) {
+	if (spk_say_word_ctl && ch == SPACE) {
 		*buf = '\0';
-		synth_printf("%s\n", msg_get(MSG_SPACE));
+		synth_printf("%s\n", spk_msg_get(MSG_SPACE));
 		return 0;
 	} else if ((tmpx < vc->vc_cols - 2)
 		   && (ch == SPACE || ch == 0 || IS_WDLM(ch))
@@ -582,13 +582,13 @@
 static void say_word(struct vc_data *vc)
 {
 	u_long cnt = get_word(vc);
-	u_short saved_punc_mask = punc_mask;
+	u_short saved_punc_mask = spk_punc_mask;
 	if (cnt == 0)
 		return;
-	punc_mask = PUNC;
+	spk_punc_mask = PUNC;
 	buf[cnt++] = SPACE;
 	spkup_write(buf, cnt);
-	punc_mask = saved_punc_mask;
+	spk_punc_mask = saved_punc_mask;
 }
 
 static void say_prev_word(struct vc_data *vc)
@@ -686,22 +686,22 @@
 static void spell_word(struct vc_data *vc)
 {
 	static char *delay_str[] = { "", ",", ".", ". .", ". . ." };
-	char *cp = buf, *str_cap = str_caps_stop;
-	char *cp1, *last_cap = str_caps_stop;
+	char *cp = buf, *str_cap = spk_str_caps_stop;
+	char *cp1, *last_cap = spk_str_caps_stop;
 	u_char ch;
 	if (!get_word(vc))
 		return;
 	while ((ch = (u_char) *cp)) {
 		if (cp != buf)
-			synth_printf(" %s ", delay_str[spell_delay]);
+			synth_printf(" %s ", delay_str[spk_spell_delay]);
 		if (IS_CHAR(ch, B_CAP)) {
-			str_cap = str_caps_start;
-			if (*str_caps_stop)
-				pitch_shift++;
+			str_cap = spk_str_caps_start;
+			if (*spk_str_caps_stop)
+				spk_pitch_shift++;
 			else	/* synth has no pitch */
-				last_cap = str_caps_stop;
+				last_cap = spk_str_caps_stop;
 		} else
-			str_cap = str_caps_stop;
+			str_cap = spk_str_caps_stop;
 		if (str_cap != last_cap) {
 			synth_printf("%s", str_cap);
 			last_cap = str_cap;
@@ -711,17 +711,17 @@
 			ch &= 31;
 			cp1 = phonetic[--ch];
 		} else {
-			cp1 = characters[ch];
+			cp1 = spk_characters[ch];
 			if (*cp1 == '^') {
-				synth_printf("%s", msg_get(MSG_CTRL));
+				synth_printf("%s", spk_msg_get(MSG_CTRL));
 				cp1++;
 			}
 		}
 		synth_printf("%s", cp1);
 		cp++;
 	}
-	if (str_cap != str_caps_stop)
-		synth_printf("%s", str_caps_stop);
+	if (str_cap != spk_str_caps_stop)
+		synth_printf("%s", spk_str_caps_stop);
 }
 
 static int get_line(struct vc_data *vc)
@@ -746,9 +746,9 @@
 {
 	int i = get_line(vc);
 	char *cp;
-	u_short saved_punc_mask = punc_mask;
+	u_short saved_punc_mask = spk_punc_mask;
 	if (i == 0) {
-		synth_printf("%s\n", msg_get(MSG_BLANK));
+		synth_printf("%s\n", spk_msg_get(MSG_BLANK));
 		return;
 	}
 	buf[i++] = '\n';
@@ -758,9 +758,9 @@
 			cp++;
 		synth_printf("%d, ", (cp - buf) + 1);
 	}
-	punc_mask = punc_masks[reading_punc];
+	spk_punc_mask = spk_punc_masks[spk_reading_punc];
 	spkup_write(buf, i);
-	punc_mask = saved_punc_mask;
+	spk_punc_mask = saved_punc_mask;
 }
 
 static void say_prev_line(struct vc_data *vc)
@@ -792,7 +792,7 @@
 {
 	int i = 0;
 	u_char tmp;
-	u_short saved_punc_mask = punc_mask;
+	u_short saved_punc_mask = spk_punc_mask;
 	spk_old_attr = spk_attr;
 	spk_attr = get_attributes((u_short *) from);
 	while (from < to) {
@@ -809,10 +809,10 @@
 	if (i < 1)
 		return i;
 	if (read_punc)
-		punc_mask = punc_info[reading_punc].mask;
+		spk_punc_mask = spk_punc_info[spk_reading_punc].mask;
 	spkup_write(buf, i);
 	if (read_punc)
-		punc_mask = saved_punc_mask;
+		spk_punc_mask = saved_punc_mask;
 	return i - 1;
 }
 
@@ -824,7 +824,7 @@
 	start += from * 2;
 	if (say_from_to(vc, start, end, read_punc) <= 0)
 		if (cursor_track != read_all_mode)
-			synth_printf("%s\n", msg_get(MSG_BLANK));
+			synth_printf("%s\n", spk_msg_get(MSG_BLANK));
 }
 
 /* Sentence Reading Commands */
@@ -924,7 +924,7 @@
 {
 	u_long start, end, from, to;
 	if (win_start < 2) {
-		synth_printf("%s\n", msg_get(MSG_NO_WINDOW));
+		synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
 		return;
 	}
 	start = vc->vc_origin + (win_top * vc->vc_size_row);
@@ -975,7 +975,7 @@
 	u_char ch;
 	spk_parked |= 0x01;
 	if (len == 0) {
-		synth_printf("%s\n", msg_get(MSG_BLANK));
+		synth_printf("%s\n", spk_msg_get(MSG_BLANK));
 		return;
 	}
 	for (i = 0; i < len; i++)
@@ -994,7 +994,7 @@
 	u_char ch;
 	spk_parked |= 0x01;
 	if (len == 0) {
-		synth_printf("%s\n", msg_get(MSG_BLANK));
+		synth_printf("%s\n", spk_msg_get(MSG_BLANK));
 		return;
 	}
 	ch = buf[--len];
@@ -1006,7 +1006,7 @@
 
 static void say_position(struct vc_data *vc)
 {
-	synth_printf(msg_get(MSG_POS_INFO), spk_y + 1, spk_x + 1,
+	synth_printf(spk_msg_get(MSG_POS_INFO), spk_y + 1, spk_x + 1,
 		     vc->vc_num + 1);
 	synth_printf("\n");
 }
@@ -1017,7 +1017,7 @@
 	u_char tmp;
 	u_short ch = get_char(vc, (u_short *) spk_pos, &tmp);
 	ch &= 0xff;
-	synth_printf(msg_get(MSG_CHAR_INFO), ch, ch);
+	synth_printf(spk_msg_get(MSG_CHAR_INFO), ch, ch);
 }
 
 /* these are stub functions to keep keyboard.c happy. */
@@ -1066,7 +1066,7 @@
 		} else {
 			if ((last_type & CH_RPT) && rep_count > 2) {
 				synth_printf(" ");
-				synth_printf(msg_get(MSG_REPEAT_DESC),
+				synth_printf(spk_msg_get(MSG_REPEAT_DESC),
 					     ++rep_count);
 				synth_printf(" ");
 			}
@@ -1074,7 +1074,7 @@
 		}
 		if (ch == spk_lastkey) {
 			rep_count = 0;
-			if (key_echo == 1 && ch >= MINECHOCHAR)
+			if (spk_key_echo == 1 && ch >= MINECHOCHAR)
 				speak_char(ch);
 		} else if (char_type & B_ALPHA) {
 			if ((synth_flags & SF_DEC) && (last_type & PUNC))
@@ -1083,7 +1083,7 @@
 		} else if (char_type & B_NUM) {
 			rep_count = 0;
 			synth_printf("%c", ch);
-		} else if (char_type & punc_mask) {
+		} else if (char_type & spk_punc_mask) {
 			speak_char(ch);
 			char_type &= ~PUNC;	/* for dec nospell processing */
 		} else if (char_type & SYNTH_OK) {
@@ -1111,7 +1111,7 @@
 	if (in_count > 2 && rep_count > 2) {
 		if (last_type & CH_RPT) {
 			synth_printf(" ");
-			synth_printf(msg_get(MSG_REPEAT_DESC2), ++rep_count);
+			synth_printf(spk_msg_get(MSG_REPEAT_DESC2), ++rep_count);
 			synth_printf(" ");
 		}
 		rep_count = 0;
@@ -1135,22 +1135,22 @@
 		case KVAL(K_SHIFT):
 			del_timer(&cursor_timer);
 			spk_shut_up &= 0xfe;
-			do_flush();
+			spk_do_flush();
 			read_all_doc(vc);
 			break;
 		case KVAL(K_CTRL):
 			del_timer(&cursor_timer);
 			cursor_track = prev_cursor_track;
 			spk_shut_up &= 0xfe;
-			do_flush();
+			spk_do_flush();
 			break;
 		}
 	} else {
 		spk_shut_up &= 0xfe;
-		do_flush();
+		spk_do_flush();
 	}
-	if (say_ctrl && value < NUM_CTL_LABELS)
-		synth_printf("%s", msg_get(MSG_CTL_START + value));
+	if (spk_say_ctrl && value < NUM_CTL_LABELS)
+		synth_printf("%s", spk_msg_get(MSG_CTL_START + value));
 	spk_unlock(flags);
 }
 
@@ -1171,12 +1171,12 @@
 	spk_lastkey = value;
 	spk_keydown++;
 	spk_parked &= 0xfe;
-	if (key_echo == 2 && value >= MINECHOCHAR)
+	if (spk_key_echo == 2 && value >= MINECHOCHAR)
 		speak_char(value);
 	spk_unlock(flags);
 }
 
-int set_key_info(const u_char *key_info, u_char *k_buffer)
+int spk_set_key_info(const u_char *key_info, u_char *k_buffer)
 {
 	int i = 0, states, key_data_len;
 	const u_char *cp = key_info;
@@ -1188,12 +1188,12 @@
 	num_keys = *cp;
 	states = (int)cp[1];
 	key_data_len = (states + 1) * (num_keys + 1);
-	if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(key_buf))
+	if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf))
 		return -2;
 	memset(k_buffer, 0, SHIFT_TBL_SIZE);
-	memset(our_keys, 0, sizeof(our_keys));
-	shift_table = k_buffer;
-	our_keys[0] = shift_table;
+	memset(spk_our_keys, 0, sizeof(spk_our_keys));
+	spk_shift_table = k_buffer;
+	spk_our_keys[0] = spk_shift_table;
 	cp1 += SHIFT_TBL_SIZE;
 	memcpy(cp1, cp, key_data_len + 3);
 	/* get num_keys, states and data */
@@ -1202,13 +1202,13 @@
 		ch = *cp1++;
 		if (ch >= SHIFT_TBL_SIZE)
 			return -3;
-		shift_table[ch] = i;
+		spk_shift_table[ch] = i;
 	}
 	keymap_flags = *cp1++;
 	while ((ch = *cp1)) {
 		if (ch >= MAX_KEY)
 			return -4;
-		our_keys[ch] = cp1;
+		spk_our_keys[ch] = cp1;
 		cp1 += states + 1;
 	}
 	return 0;
@@ -1237,24 +1237,24 @@
 		cursor_track = prev_cursor_track;
 	if (++cursor_track >= CT_Max)
 		cursor_track = 0;
-	synth_printf("%s\n", msg_get(MSG_CURSOR_MSGS_START + cursor_track));
+	synth_printf("%s\n", spk_msg_get(MSG_CURSOR_MSGS_START + cursor_track));
 }
 
-void reset_default_chars(void)
+void spk_reset_default_chars(void)
 {
 	int i;
 
 	/* First, free any non-default */
 	for (i = 0; i < 256; i++) {
-		if ((characters[i] != NULL)
-		    && (characters[i] != default_chars[i]))
-			kfree(characters[i]);
+		if ((spk_characters[i] != NULL)
+		    && (spk_characters[i] != spk_default_chars[i]))
+			kfree(spk_characters[i]);
 	}
 
-	memcpy(characters, default_chars, sizeof(default_chars));
+	memcpy(spk_characters, spk_default_chars, sizeof(spk_default_chars));
 }
 
-void reset_default_chartab(void)
+void spk_reset_default_chartab(void)
 {
 	memcpy(spk_chartab, default_chartab, sizeof(default_chartab));
 }
@@ -1267,8 +1267,8 @@
 	if (type != KT_LATIN || (ch_type & B_NUM) || ch < SPACE)
 		return -1;
 	if (ch == SPACE) {
-		synth_printf("%s\n", msg_get(MSG_EDIT_DONE));
-		special_handler = NULL;
+		synth_printf("%s\n", spk_msg_get(MSG_EDIT_DONE));
+		spk_special_handler = NULL;
 		return 1;
 	}
 	if (mask < PUNC && !(ch_type & PUNC))
@@ -1276,8 +1276,8 @@
 	spk_chartab[ch] ^= mask;
 	speak_char(ch);
 	synth_printf(" %s\n",
-		     (spk_chartab[ch] & mask) ? msg_get(MSG_ON) :
-		     msg_get(MSG_OFF));
+		     (spk_chartab[ch] & mask) ? spk_msg_get(MSG_ON) :
+		     spk_msg_get(MSG_OFF));
 	return 1;
 }
 
@@ -1346,7 +1346,7 @@
 	if (cursor_track != read_all_mode)
 		prev_cursor_track = cursor_track;
 	cursor_track = read_all_mode;
-	reset_index_count(0);
+	spk_reset_index_count(0);
 	if (get_sentence_buf(vc, 0) == -1)
 		kbd_fakekey2(vc, RA_DOWN_ARROW);
 	else {
@@ -1361,7 +1361,7 @@
 	del_timer(&cursor_timer);
 	cursor_track = prev_cursor_track;
 	spk_shut_up &= 0xfe;
-	do_flush();
+	spk_do_flush();
 }
 
 static void start_read_all_timer(struct vc_data *vc, int command)
@@ -1370,7 +1370,7 @@
 
 	cursor_con = vc->vc_num;
 	read_all_key = command;
-	cursor_timeout = get_var(CURSOR_TIME);
+	cursor_timeout = spk_get_var(CURSOR_TIME);
 	mod_timer(&cursor_timer,
 		  jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
 }
@@ -1382,9 +1382,9 @@
 	switch (command) {
 	case RA_NEXT_SENT:
 		/* Get Current Sentence */
-		get_index_count(&indcount, &sentcount);
+		spk_get_index_count(&indcount, &sentcount);
 		/*printk("%d %d  ", indcount, sentcount); */
-		reset_index_count(sentcount + 1);
+		spk_reset_index_count(sentcount + 1);
 		if (indcount == 1) {
 			if (!say_sentence_num(sentcount + 1, 0)) {
 				kbd_fakekey2(vc, RA_FIND_NEXT_SENT);
@@ -1395,7 +1395,7 @@
 			sn = 0;
 			if (!say_sentence_num(sentcount + 1, 1)) {
 				sn = 1;
-				reset_index_count(sn);
+				spk_reset_index_count(sn);
 			} else
 				synth_insert_next_index(0);
 			if (!say_sentence_num(sn, 0)) {
@@ -1437,7 +1437,7 @@
 	case RA_FIND_PREV_SENT:
 		break;
 	case RA_TIMER:
-		get_index_count(&indcount, &sentcount);
+		spk_get_index_count(&indcount, &sentcount);
 		if (indcount < 2)
 			kbd_fakekey2(vc, RA_DOWN_ARROW);
 		else
@@ -1458,7 +1458,7 @@
 		}
 		del_timer(&cursor_timer);
 		spk_shut_up &= 0xfe;
-		do_flush();
+		spk_do_flush();
 		start_read_all_timer(vc, value + 1);
 		spk_unlock(flags);
 		return NOTIFY_STOP;
@@ -1479,8 +1479,8 @@
 		return;
 	}
 	spk_shut_up &= 0xfe;
-	if (no_intr)
-		do_flush();
+	if (spk_no_intr)
+		spk_do_flush();
 /* the key press flushes if !no_inter but we want to flush on cursor
  * moves regardless of no_inter state */
 	is_cursor = value + 1;
@@ -1491,7 +1491,7 @@
 	cursor_con = vc->vc_num;
 	if (cursor_track == CT_Highlight)
 		reset_highlight_buffers(vc);
-	cursor_timeout = get_var(CURSOR_TIME);
+	cursor_timeout = spk_get_var(CURSOR_TIME);
 	mod_timer(&cursor_timer,
 		  jiffies + msecs_to_jiffies(cursor_timeout->u.n.value));
 	spk_unlock(flags);
@@ -1603,7 +1603,7 @@
 			if (speakup_console[vc_num]->ht.ry[hc] != vc->vc_y)
 				return 0;
 		spk_parked |= 0x01;
-		do_flush();
+		spk_do_flush();
 		spkup_write(speakup_console[vc_num]->ht.highbuf[hc],
 			    speakup_console[vc_num]->ht.highsize[hc]);
 		spk_pos = spk_cp = speakup_console[vc_num]->ht.rpos[hc];
@@ -1685,7 +1685,7 @@
 	if (!spk_trylock(flags))
 		/* Speakup output, discard */
 		return;
-	if (bell_pos && spk_keydown && (vc->vc_x == bell_pos - 1))
+	if (spk_bell_pos && spk_keydown && (vc->vc_x == spk_bell_pos - 1))
 		bleep(3);
 	if ((is_cursor) || (cursor_track == read_all_mode)) {
 		if (cursor_track == CT_Highlight)
@@ -1726,19 +1726,19 @@
 		return;
 	spk_lock(flags);
 	spk_shut_up &= 0xfe;
-	if (no_intr)
-		do_flush();
+	if (spk_no_intr)
+		spk_do_flush();
 	switch (value) {
 	case KVAL(K_CAPS):
-		label = msg_get(MSG_KEYNAME_CAPSLOCK);
+		label = spk_msg_get(MSG_KEYNAME_CAPSLOCK);
 		on_off = vt_get_leds(fg_console, VC_CAPSLOCK);
 		break;
 	case KVAL(K_NUM):
-		label = msg_get(MSG_KEYNAME_NUMLOCK);
+		label = spk_msg_get(MSG_KEYNAME_NUMLOCK);
 		on_off = vt_get_leds(fg_console, VC_NUMLOCK);
 		break;
 	case KVAL(K_HOLD):
-		label = msg_get(MSG_KEYNAME_SCROLLLOCK);
+		label = spk_msg_get(MSG_KEYNAME_SCROLLLOCK);
 		on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
 		if (speakup_console[vc->vc_num])
 			speakup_console[vc->vc_num]->tty_stopped = on_off;
@@ -1750,7 +1750,7 @@
 	}
 	if (on_off < 2)
 		synth_printf("%s %s\n",
-			     label, msg_get(MSG_STATUS_START + on_off));
+			     label, spk_msg_get(MSG_STATUS_START + on_off));
 	spk_unlock(flags);
 }
 
@@ -1764,13 +1764,13 @@
 	int var_id = (int)value - VAR_START;
 	int how = (var_id & 1) ? E_INC : E_DEC;
 	var_id = var_id / 2 + FIRST_SET_VAR;
-	p_header = get_var_header(var_id);
+	p_header = spk_get_var_header(var_id);
 	if (p_header == NULL)
 		return -1;
 	if (p_header->var_type != VAR_NUM)
 		return -1;
 	var_data = p_header->data;
-	if (set_num_var(1, p_header, how) != 0)
+	if (spk_set_num_var(1, p_header, how) != 0)
 		return -1;
 	if (!spk_close_press) {
 		for (pn = p_header->name; *pn; pn++) {
@@ -1790,18 +1790,18 @@
 {
 	char info[40];
 	if (win_start > 1) {
-		synth_printf("%s\n", msg_get(MSG_WINDOW_ALREADY_SET));
+		synth_printf("%s\n", spk_msg_get(MSG_WINDOW_ALREADY_SET));
 		return;
 	}
 	if (spk_x < win_left || spk_y < win_top) {
-		synth_printf("%s\n", msg_get(MSG_END_BEFORE_START));
+		synth_printf("%s\n", spk_msg_get(MSG_END_BEFORE_START));
 		return;
 	}
 	if (win_start && spk_x == win_left && spk_y == win_top) {
 		win_left = 0;
 		win_right = vc->vc_cols - 1;
 		win_bottom = spk_y;
-		snprintf(info, sizeof(info), msg_get(MSG_WINDOW_LINE),
+		snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_LINE),
 			 (int)win_top + 1);
 	} else {
 		if (!win_start) {
@@ -1811,8 +1811,8 @@
 			win_bottom = spk_y;
 			win_right = spk_x;
 		}
-		snprintf(info, sizeof(info), msg_get(MSG_WINDOW_BOUNDARY),
-			 (win_start) ? msg_get(MSG_END) : msg_get(MSG_START),
+		snprintf(info, sizeof(info), spk_msg_get(MSG_WINDOW_BOUNDARY),
+			 (win_start) ? spk_msg_get(MSG_END) : spk_msg_get(MSG_START),
 			 (int)spk_y + 1, (int)spk_x + 1);
 	}
 	synth_printf("%s\n", info);
@@ -1824,32 +1824,32 @@
 	win_top = win_bottom = 0;
 	win_left = win_right = 0;
 	win_start = 0;
-	synth_printf("%s\n", msg_get(MSG_WINDOW_CLEARED));
+	synth_printf("%s\n", spk_msg_get(MSG_WINDOW_CLEARED));
 }
 
 static void speakup_win_enable(struct vc_data *vc)
 {
 	if (win_start < 2) {
-		synth_printf("%s\n", msg_get(MSG_NO_WINDOW));
+		synth_printf("%s\n", spk_msg_get(MSG_NO_WINDOW));
 		return;
 	}
 	win_enabled ^= 1;
 	if (win_enabled)
-		synth_printf("%s\n", msg_get(MSG_WINDOW_SILENCED));
+		synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCED));
 	else
-		synth_printf("%s\n", msg_get(MSG_WINDOW_SILENCE_DISABLED));
+		synth_printf("%s\n", spk_msg_get(MSG_WINDOW_SILENCE_DISABLED));
 }
 
 static void speakup_bits(struct vc_data *vc)
 {
 	int val = this_speakup_key - (FIRST_EDIT_BITS - 1);
-	if (special_handler != NULL || val < 1 || val > 6) {
-		synth_printf("%s\n", msg_get(MSG_ERROR));
+	if (spk_special_handler != NULL || val < 1 || val > 6) {
+		synth_printf("%s\n", spk_msg_get(MSG_ERROR));
 		return;
 	}
-	pb_edit = &punc_info[val];
-	synth_printf(msg_get(MSG_EDIT_PROMPT), pb_edit->name);
-	special_handler = edit_bits;
+	pb_edit = &spk_punc_info[val];
+	synth_printf(spk_msg_get(MSG_EDIT_PROMPT), pb_edit->name);
+	spk_special_handler = edit_bits;
 }
 
 static int handle_goto(struct vc_data *vc, u_char type, u_char ch, u_short key)
@@ -1887,9 +1887,9 @@
 	if (ch < 'x' || ch > 'y') {
 oops:
 		if (!spk_killed)
-			synth_printf(" %s\n", msg_get(MSG_GOTO_CANCELED));
+			synth_printf(" %s\n", spk_msg_get(MSG_GOTO_CANCELED));
 		goto_buf[num = 0] = '\0';
-		special_handler = NULL;
+		spk_special_handler = NULL;
 		return 1;
 	}
 	cp = speakup_s2i(goto_buf, &go_pos);
@@ -1917,7 +1917,7 @@
 	}
 	goto_buf[num = 0] = '\0';
 do_goto:
-	special_handler = NULL;
+	spk_special_handler = NULL;
 	spk_parked |= 0x01;
 	if (goto_x) {
 		spk_pos -= spk_x * 2;
@@ -1934,18 +1934,18 @@
 
 static void speakup_goto(struct vc_data *vc)
 {
-	if (special_handler != NULL) {
-		synth_printf("%s\n", msg_get(MSG_ERROR));
+	if (spk_special_handler != NULL) {
+		synth_printf("%s\n", spk_msg_get(MSG_ERROR));
 		return;
 	}
-	synth_printf("%s\n", msg_get(MSG_GOTO));
-	special_handler = handle_goto;
+	synth_printf("%s\n", spk_msg_get(MSG_GOTO));
+	spk_special_handler = handle_goto;
 	return;
 }
 
 static void speakup_help(struct vc_data *vc)
 {
-	handle_help(vc, KT_SPKUP, SPEAKUP_HELP, 0);
+	spk_handle_help(vc, KT_SPKUP, SPEAKUP_HELP, 0);
 }
 
 static void do_nothing(struct vc_data *vc)
@@ -1992,7 +1992,7 @@
 	spk_shut_up &= 0xfe;
 	this_speakup_key = value;
 	if (value < SPKUP_MAX_FUNC && spkup_handler[value]) {
-		do_flush();
+		spk_do_flush();
 		(*spkup_handler[value]) (vc);
 	} else {
 		if (inc_dec_var(value) < 0)
@@ -2032,7 +2032,7 @@
 	}
 	if (keycode >= MAX_KEY)
 		goto no_map;
-	key_info = our_keys[keycode];
+	key_info = spk_our_keys[keycode];
 	if (key_info == 0)
 		goto no_map;
 	/* Check valid read all mode keys */
@@ -2051,7 +2051,7 @@
 		}
 	}
 	shift_info = (shift_state & 0x0f) + key_speakup;
-	offset = shift_table[shift_info];
+	offset = spk_shift_table[shift_info];
 	if (offset) {
 		new_key = key_info[offset];
 		if (new_key) {
@@ -2062,7 +2062,7 @@
 				if (up_flag || spk_killed)
 					goto out;
 				spk_shut_up &= 0xfe;
-				do_flush();
+				spk_do_flush();
 				goto out;
 			}
 			if (up_flag)
@@ -2070,7 +2070,7 @@
 			if (last_keycode == keycode &&
 			    last_spk_jiffy + MAX_DELAY > jiffies) {
 				spk_close_press = 1;
-				offset = shift_table[shift_info + 32];
+				offset = spk_shift_table[shift_info + 32];
 				/* double press? */
 				if (offset && key_info[offset])
 					new_key = key_info[offset];
@@ -2082,7 +2082,7 @@
 		}
 	}
 no_map:
-	if (type == KT_SPKUP && special_handler == NULL) {
+	if (type == KT_SPKUP && spk_special_handler == NULL) {
 		do_spkup(vc, new_key);
 		spk_close_press = 0;
 		ret = 1;
@@ -2096,9 +2096,9 @@
 	    || (value == KVAL(K_LEFT))
 	    || (value == KVAL(K_RIGHT));
 	if ((cursor_track != read_all_mode) || !kh)
-		if (!no_intr)
-			do_flush();
-	if (special_handler) {
+		if (!spk_no_intr)
+			spk_do_flush();
+	if (spk_special_handler) {
 		if (type == KT_SPEC && value == 1) {
 			value = '\n';
 			type = KT_LATIN;
@@ -2106,7 +2106,7 @@
 			type = KT_LATIN;
 		else if (value == 0x7f)
 			value = 8;	/* make del = backspace */
-		ret = (*special_handler) (vc, type, value, keycode);
+		ret = (*spk_special_handler) (vc, type, value, keycode);
 		spk_close_press = 0;
 		if (ret < 0)
 			bleep(9);
@@ -2219,6 +2219,7 @@
 	unregister_keyboard_notifier(&keyboard_notifier_block);
 	unregister_vt_notifier(&vt_notifier_block);
 	speakup_unregister_devsynth();
+	speakup_cancel_paste();
 	del_timer(&cursor_timer);
 	kthread_stop(speakup_task);
 	speakup_task = NULL;
@@ -2237,11 +2238,11 @@
 		speakup_unregister_var(i);
 
 	for (i = 0; i < 256; i++) {
-		if (characters[i] != default_chars[i])
-			kfree(characters[i]);
+		if (spk_characters[i] != spk_default_chars[i])
+			kfree(spk_characters[i]);
 	}
 
-	free_user_msgs();
+	spk_free_user_msgs();
 }
 
 /* call by: module_init() */
@@ -2254,20 +2255,20 @@
 	struct var_t *var;
 
 	/* These first few initializations cannot fail. */
-	initialize_msgs();	/* Initialize arrays for i18n. */
-	reset_default_chars();
-	reset_default_chartab();
-	strlwr(synth_name);
+	spk_initialize_msgs();	/* Initialize arrays for i18n. */
+	spk_reset_default_chars();
+	spk_reset_default_chartab();
+	spk_strlwr(synth_name);
 	spk_vars[0].u.n.high = vc->vc_cols;
 	for (var = spk_vars; var->var_id != MAXVARS; var++)
 		speakup_register_var(var);
 	for (var = synth_time_vars;
 	     (var->var_id >= 0) && (var->var_id < MAXVARS); var++)
 		speakup_register_var(var);
-	for (i = 1; punc_info[i].mask != 0; i++)
-		set_mask_bits(0, i, 2);
+	for (i = 1; spk_punc_info[i].mask != 0; i++)
+		spk_set_mask_bits(0, i, 2);
 
-	set_key_info(key_defaults, key_buf);
+	spk_set_key_info(spk_key_defaults, spk_key_buf);
 
 	/* From here on out, initializations can fail. */
 	err = speakup_add_virtual_keyboard();
@@ -2290,7 +2291,7 @@
 				goto error_kobjects;
 		}
 
-	if (quiet_boot)
+	if (spk_quiet_boot)
 		spk_shut_up |= 0x01;
 
 	err = speakup_kobj_init();
@@ -2352,11 +2353,11 @@
 		speakup_unregister_var(i);
 
 	for (i = 0; i < 256; i++) {
-		if (characters[i] != default_chars[i])
-			kfree(characters[i]);
+		if (spk_characters[i] != spk_default_chars[i])
+			kfree(spk_characters[i]);
 	}
 
-	free_user_msgs();
+	spk_free_user_msgs();
 
 out:
 	return err;
diff --git a/drivers/staging/speakup/selection.c b/drivers/staging/speakup/selection.c
index fe1f405..7eb602c 100644
--- a/drivers/staging/speakup/selection.c
+++ b/drivers/staging/speakup/selection.c
@@ -3,6 +3,8 @@
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/selection.h>
+#include <linux/workqueue.h>
+#include <asm/cmpxchg.h>
 
 #include "speakup.h"
 
@@ -10,7 +12,7 @@
 /* Don't take this from <ctype.h>: 011-015 on the screen aren't spaces */
 #define ishardspace(c)      ((c) == ' ')
 
-unsigned short xs, ys, xe, ye; /* our region points */
+unsigned short spk_xs, spk_ys, spk_xe, spk_ye; /* our region points */
 
 /* Variables for selection control. */
 /* must not be disallocated */
@@ -51,12 +53,12 @@
 	int i, ps, pe;
 	struct vc_data *vc = vc_cons[fg_console].d;
 
-	xs = limit(xs, vc->vc_cols - 1);
-	ys = limit(ys, vc->vc_rows - 1);
-	xe = limit(xe, vc->vc_cols - 1);
-	ye = limit(ye, vc->vc_rows - 1);
-	ps = ys * vc->vc_size_row + (xs << 1);
-	pe = ye * vc->vc_size_row + (xe << 1);
+	spk_xs = limit(spk_xs, vc->vc_cols - 1);
+	spk_ys = limit(spk_ys, vc->vc_rows - 1);
+	spk_xe = limit(spk_xe, vc->vc_cols - 1);
+	spk_ye = limit(spk_ye, vc->vc_rows - 1);
+	ps = spk_ys * vc->vc_size_row + (spk_xs << 1);
+	pe = spk_ye * vc->vc_size_row + (spk_xe << 1);
 
 	if (ps > pe) {
 		/* make sel_start <= sel_end */
@@ -121,20 +123,24 @@
 	return 0;
 }
 
-/* TODO: move to some helper thread, probably.  That'd fix having to check for
- * in_atomic().  */
-int speakup_paste_selection(struct tty_struct *tty)
+struct speakup_paste_work {
+	struct work_struct work;
+	struct tty_struct *tty;
+};
+
+static void __speakup_paste_selection(struct work_struct *work)
 {
+	struct speakup_paste_work *spw =
+		container_of(work, struct speakup_paste_work, work);
+	struct tty_struct *tty = xchg(&spw->tty, NULL);
 	struct vc_data *vc = (struct vc_data *) tty->driver_data;
 	int pasted = 0, count;
 	DECLARE_WAITQUEUE(wait, current);
+
 	add_wait_queue(&vc->paste_wait, &wait);
 	while (sel_buffer && sel_buffer_lth > pasted) {
 		set_current_state(TASK_INTERRUPTIBLE);
 		if (test_bit(TTY_THROTTLED, &tty->flags)) {
-			if (in_atomic())
-				/* if we are in an interrupt handler, abort */
-				break;
 			schedule();
 			continue;
 		}
@@ -146,6 +152,26 @@
 	}
 	remove_wait_queue(&vc->paste_wait, &wait);
 	current->state = TASK_RUNNING;
+	tty_kref_put(tty);
+}
+
+static struct speakup_paste_work speakup_paste_work = {
+	.work = __WORK_INITIALIZER(speakup_paste_work.work,
+				   __speakup_paste_selection)
+};
+
+int speakup_paste_selection(struct tty_struct *tty)
+{
+	if (cmpxchg(&speakup_paste_work.tty, NULL, tty) != NULL)
+		return -EBUSY;
+
+	tty_kref_get(tty);
+	schedule_work_on(WORK_CPU_UNBOUND, &speakup_paste_work.work);
 	return 0;
 }
 
+void speakup_cancel_paste(void)
+{
+	cancel_work_sync(&speakup_paste_work.work);
+	tty_kref_put(speakup_paste_work.tty);
+}
diff --git a/drivers/staging/speakup/serialio.c b/drivers/staging/speakup/serialio.c
index a97d3d5..e4d27aa 100644
--- a/drivers/staging/speakup/serialio.c
+++ b/drivers/staging/speakup/serialio.c
@@ -116,7 +116,7 @@
 	outb(1, speakup_info.port_tts + UART_FCR);	/* Turn FIFO On */
 }
 
-void stop_serial_interrupt(void)
+void spk_stop_serial_interrupt(void)
 {
 	if (speakup_info.port_tts == 0)
 		return;
@@ -130,7 +130,7 @@
 	free_irq(serstate->irq, (void *) synth_readbuf_handler);
 }
 
-int wait_for_xmitr(void)
+int spk_wait_for_xmitr(void)
 {
 	int tmout = SPK_XMITR_TIMEOUT;
 	if ((synth->alive) && (timeouts >= NUM_DISABLE_TIMEOUTS)) {
@@ -195,7 +195,7 @@
 
 int spk_serial_out(const char ch)
 {
-	if (synth->alive && wait_for_xmitr()) {
+	if (synth->alive && spk_wait_for_xmitr()) {
 		outb_p(ch, speakup_info.port_tts);
 		return 1;
 	}
diff --git a/drivers/staging/speakup/speakup.h b/drivers/staging/speakup/speakup.h
index e66579e..cfbd88c 100644
--- a/drivers/staging/speakup/speakup.h
+++ b/drivers/staging/speakup/speakup.h
@@ -50,75 +50,76 @@
 #define E_UNDEF -1
 
 extern int speakup_thread(void *data);
-extern void reset_default_chars(void);
-extern void reset_default_chartab(void);
+extern void spk_reset_default_chars(void);
+extern void spk_reset_default_chartab(void);
 extern void synth_start(void);
 void synth_insert_next_index(int sent_num);
-void reset_index_count(int sc);
-void get_index_count(int *linecount, int *sentcount);
-extern int set_key_info(const u_char *key_info, u_char *k_buffer);
-extern char *strlwr(char *s);
+void spk_reset_index_count(int sc);
+void spk_get_index_count(int *linecount, int *sentcount);
+extern int spk_set_key_info(const u_char *key_info, u_char *k_buffer);
+extern char *spk_strlwr(char *s);
 extern char *speakup_s2i(char *start, int *dest);
-extern char *s2uchar(char *start, char *dest);
-extern char *xlate(char *s);
+extern char *spk_s2uchar(char *start, char *dest);
+extern char *spk_xlate(char *s);
 extern int speakup_kobj_init(void);
 extern void speakup_kobj_exit(void);
-extern int chartab_get_value(char *keyword);
+extern int spk_chartab_get_value(char *keyword);
 extern void speakup_register_var(struct var_t *var);
 extern void speakup_unregister_var(enum var_id_t var_id);
-extern struct st_var_header *get_var_header(enum var_id_t var_id);
-extern struct st_var_header *var_header_by_name(const char *name);
-extern struct punc_var_t *get_punc_var(enum var_id_t var_id);
-extern int set_num_var(int val, struct st_var_header *var, int how);
-extern int set_string_var(const char *page, struct st_var_header *var, int len);
-extern int set_mask_bits(const char *input, const int which, const int how);
-extern special_func special_handler;
-extern int handle_help(struct vc_data *vc, u_char type, u_char ch, u_short key);
+extern struct st_var_header *spk_get_var_header(enum var_id_t var_id);
+extern struct st_var_header *spk_var_header_by_name(const char *name);
+extern struct punc_var_t *spk_get_punc_var(enum var_id_t var_id);
+extern int spk_set_num_var(int val, struct st_var_header *var, int how);
+extern int spk_set_string_var(const char *page, struct st_var_header *var, int len);
+extern int spk_set_mask_bits(const char *input, const int which, const int how);
+extern special_func spk_special_handler;
+extern int spk_handle_help(struct vc_data *vc, u_char type, u_char ch, u_short key);
 extern int synth_init(char *name);
 extern void synth_release(void);
 
-extern void do_flush(void);
+extern void spk_do_flush(void);
 extern void speakup_start_ttys(void);
 extern void synth_buffer_add(char ch);
 extern void synth_buffer_clear(void);
 extern void speakup_clear_selection(void);
 extern int speakup_set_selection(struct tty_struct *tty);
 extern int speakup_paste_selection(struct tty_struct *tty);
+extern void speakup_cancel_paste(void);
 extern void speakup_register_devsynth(void);
 extern void speakup_unregister_devsynth(void);
 extern void synth_write(const char *buf, size_t count);
 extern int synth_supports_indexing(void);
 
 extern struct vc_data *spk_sel_cons;
-extern unsigned short xs, ys, xe, ye; /* our region points */
+extern unsigned short spk_xs, spk_ys, spk_xe, spk_ye; /* our region points */
 
 extern wait_queue_head_t speakup_event;
 extern struct kobject *speakup_kobj;
 extern struct task_struct *speakup_task;
-extern const u_char key_defaults[];
+extern const u_char spk_key_defaults[];
 
 /* Protect speakup synthesizer list */
 extern struct mutex spk_mutex;
 extern struct st_spk_t *speakup_console[];
 extern struct spk_synth *synth;
-extern char pitch_buff[];
-extern u_char *our_keys[];
-extern short punc_masks[];
-extern char str_caps_start[], str_caps_stop[];
-extern const struct st_bits_data punc_info[];
-extern u_char key_buf[600];
-extern char *characters[];
-extern char *default_chars[];
+extern char spk_pitch_buff[];
+extern u_char *spk_our_keys[];
+extern short spk_punc_masks[];
+extern char spk_str_caps_start[], spk_str_caps_stop[];
+extern const struct st_bits_data spk_punc_info[];
+extern u_char spk_key_buf[600];
+extern char *spk_characters[];
+extern char *spk_default_chars[];
 extern u_short spk_chartab[];
-extern int no_intr, say_ctrl, say_word_ctl, punc_level;
-extern int reading_punc, attrib_bleep, bleeps;
-extern int bleep_time, bell_pos;
-extern int spell_delay, key_echo;
-extern short punc_mask;
-extern short pitch_shift, synth_flags;
-extern bool quiet_boot;
+extern int spk_no_intr, spk_say_ctrl, spk_say_word_ctl, spk_punc_level;
+extern int spk_reading_punc, spk_attrib_bleep, spk_bleeps;
+extern int spk_bleep_time, spk_bell_pos;
+extern int spk_spell_delay, spk_key_echo;
+extern short spk_punc_mask;
+extern short spk_pitch_shift, synth_flags;
+extern bool spk_quiet_boot;
 extern char *synth_name;
-extern struct bleep unprocessed_sound;
+extern struct bleep spk_unprocessed_sound;
 
 /* Prototypes from fakekey.c. */
 int speakup_add_virtual_keyboard(void);
diff --git a/drivers/staging/speakup/speakup_acntpc.c b/drivers/staging/speakup/speakup_acntpc.c
index bbe28b6..1c1f0d5 100644
--- a/drivers/staging/speakup/speakup_acntpc.c
+++ b/drivers/staging/speakup/speakup_acntpc.c
@@ -182,9 +182,9 @@
 	struct var_t *full_time;
 	struct var_t *jiffy_delta;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
-	full_time = get_var(FULL);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
+	full_time = spk_get_var(FULL);
 
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
diff --git a/drivers/staging/speakup/speakup_acntsa.c b/drivers/staging/speakup/speakup_acntsa.c
index 590fa6b..22a8b72 100644
--- a/drivers/staging/speakup/speakup_acntsa.c
+++ b/drivers/staging/speakup/speakup_acntsa.c
@@ -128,7 +128,7 @@
 {
 	int failed;
 
-	failed = serial_synth_probe(synth);
+	failed = spk_serial_synth_probe(synth);
 	if (failed == 0) {
 		spk_synth_immediate(synth, "\033=R\r");
 		mdelay(100);
diff --git a/drivers/staging/speakup/speakup_apollo.c b/drivers/staging/speakup/speakup_apollo.c
index 00d5ced..3e450cc 100644
--- a/drivers/staging/speakup/speakup_apollo.c
+++ b/drivers/staging/speakup/speakup_apollo.c
@@ -112,7 +112,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = do_catch_up,
@@ -145,9 +145,9 @@
 	int delay_time_val = 0;
 	int jiffy_delta_val = 0;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
-	full_time = get_var(FULL);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
+	full_time = spk_get_var(FULL);
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
 	spk_unlock(flags);
diff --git a/drivers/staging/speakup/speakup_audptr.c b/drivers/staging/speakup/speakup_audptr.c
index 94e5099..3508aee 100644
--- a/drivers/staging/speakup/speakup_audptr.c
+++ b/drivers/staging/speakup/speakup_audptr.c
@@ -162,7 +162,7 @@
 {
 	int failed = 0;
 
-	failed = serial_synth_probe(synth);
+	failed = spk_serial_synth_probe(synth);
 	if (failed == 0)
 		synth_version(synth);
 	synth->alive = !failed;
diff --git a/drivers/staging/speakup/speakup_bns.c b/drivers/staging/speakup/speakup_bns.c
index 43e5b54..4bfe3d4 100644
--- a/drivers/staging/speakup/speakup_bns.c
+++ b/drivers/staging/speakup/speakup_bns.c
@@ -100,7 +100,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = spk_do_catch_up,
diff --git a/drivers/staging/speakup/speakup_decext.c b/drivers/staging/speakup/speakup_decext.c
index b4ef915..d39a0de 100644
--- a/drivers/staging/speakup/speakup_decext.c
+++ b/drivers/staging/speakup/speakup_decext.c
@@ -130,7 +130,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = do_catch_up,
@@ -162,8 +162,8 @@
 	int jiffy_delta_val = 0;
 	int delay_time_val = 0;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
 
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
diff --git a/drivers/staging/speakup/speakup_decpc.c b/drivers/staging/speakup/speakup_decpc.c
index de25527..cda6b0f 100644
--- a/drivers/staging/speakup/speakup_decpc.c
+++ b/drivers/staging/speakup/speakup_decpc.c
@@ -375,8 +375,8 @@
 	int jiffy_delta_val;
 	int delay_time_val;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
 	spk_unlock(flags);
diff --git a/drivers/staging/speakup/speakup_dectlk.c b/drivers/staging/speakup/speakup_dectlk.c
index daff3b9..0dd2eb9 100644
--- a/drivers/staging/speakup/speakup_dectlk.c
+++ b/drivers/staging/speakup/speakup_dectlk.c
@@ -134,7 +134,7 @@
 	.vars = vars,
 	.default_pitch = ap_defaults,
 	.default_vol = g5_defaults,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = do_catch_up,
@@ -214,8 +214,8 @@
 	int jiffy_delta_val;
 	int delay_time_val;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
 	spk_unlock(flags);
diff --git a/drivers/staging/speakup/speakup_dtlk.c b/drivers/staging/speakup/speakup_dtlk.c
index 97bc476..a9cefbd 100644
--- a/drivers/staging/speakup/speakup_dtlk.c
+++ b/drivers/staging/speakup/speakup_dtlk.c
@@ -198,8 +198,8 @@
 	int jiffy_delta_val;
 	int delay_time_val;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
 	spk_unlock(flags);
diff --git a/drivers/staging/speakup/speakup_dummy.c b/drivers/staging/speakup/speakup_dummy.c
index c20f411..4a24b9c 100644
--- a/drivers/staging/speakup/speakup_dummy.c
+++ b/drivers/staging/speakup/speakup_dummy.c
@@ -102,7 +102,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = spk_do_catch_up,
diff --git a/drivers/staging/speakup/speakup_keypc.c b/drivers/staging/speakup/speakup_keypc.c
index 496e014..feb5f22 100644
--- a/drivers/staging/speakup/speakup_keypc.c
+++ b/drivers/staging/speakup/speakup_keypc.c
@@ -184,9 +184,9 @@
 	int full_time_val;
 	int jiffy_delta_val;
 
-	jiffy_delta = get_var(JIFFY);
-	delay_time = get_var(DELAY);
-	full_time = get_var(FULL);
+	jiffy_delta = spk_get_var(JIFFY);
+	delay_time = spk_get_var(DELAY);
+	full_time = spk_get_var(FULL);
 spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
 	spk_unlock(flags);
diff --git a/drivers/staging/speakup/speakup_ltlk.c b/drivers/staging/speakup/speakup_ltlk.c
index 971de1a..326f94d 100644
--- a/drivers/staging/speakup/speakup_ltlk.c
+++ b/drivers/staging/speakup/speakup_ltlk.c
@@ -161,7 +161,7 @@
 {
 	int failed = 0;
 
-	failed = serial_synth_probe(synth);
+	failed = spk_serial_synth_probe(synth);
 	if (failed == 0)
 		synth_interrogate(synth);
 	synth->alive = !failed;
diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c
index b5130c8..e2f5c81 100644
--- a/drivers/staging/speakup/speakup_soft.c
+++ b/drivers/staging/speakup/speakup_soft.c
@@ -46,7 +46,7 @@
 static struct var_t vars[] = {
 	{ CAPS_START, .u.s = {"\x01+3p" } },
 	{ CAPS_STOP, .u.s = {"\x01-3p" } },
-	{ RATE, .u.n = {"\x01%ds", 5, 0, 9, 0, 0, NULL } },
+	{ RATE, .u.n = {"\x01%ds", 2, 0, 9, 0, 0, NULL } },
 	{ PITCH, .u.n = {"\x01%dp", 5, 0, 9, 0, 0, NULL } },
 	{ VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } },
 	{ TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } },
diff --git a/drivers/staging/speakup/speakup_spkout.c b/drivers/staging/speakup/speakup_spkout.c
index 9a3a80d..e74f856 100644
--- a/drivers/staging/speakup/speakup_spkout.c
+++ b/drivers/staging/speakup/speakup_spkout.c
@@ -107,7 +107,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = spk_do_catch_up,
diff --git a/drivers/staging/speakup/speakup_txprt.c b/drivers/staging/speakup/speakup_txprt.c
index 5d5bf7c..5a29b9f 100644
--- a/drivers/staging/speakup/speakup_txprt.c
+++ b/drivers/staging/speakup/speakup_txprt.c
@@ -100,7 +100,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
-	.probe = serial_synth_probe,
+	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
 	.catch_up = spk_do_catch_up,
diff --git a/drivers/staging/speakup/spk_priv.h b/drivers/staging/speakup/spk_priv.h
index a47c5b7..303105b 100644
--- a/drivers/staging/speakup/spk_priv.h
+++ b/drivers/staging/speakup/spk_priv.h
@@ -45,8 +45,8 @@
 #define KT_SPKUP 15
 
 extern const struct old_serial_port *spk_serial_init(int index);
-extern void stop_serial_interrupt(void);
-extern int wait_for_xmitr(void);
+extern void spk_stop_serial_interrupt(void);
+extern int spk_wait_for_xmitr(void);
 extern unsigned char spk_serial_in(void);
 extern unsigned char spk_serial_in_nowait(void);
 extern int spk_serial_out(const char ch);
@@ -55,13 +55,13 @@
 extern char synth_buffer_getc(void);
 extern char synth_buffer_peek(void);
 extern int synth_buffer_empty(void);
-extern struct var_t *get_var(enum var_id_t var_id);
+extern struct var_t *spk_get_var(enum var_id_t var_id);
 extern ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
 	char *buf);
 extern ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
 	const char *buf, size_t count);
 
-extern int serial_synth_probe(struct spk_synth *synth);
+extern int spk_serial_synth_probe(struct spk_synth *synth);
 extern const char *spk_synth_immediate(struct spk_synth *synth, const char *buff);
 extern void spk_do_catch_up(struct spk_synth *synth);
 extern void spk_synth_flush(struct spk_synth *synth);
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
index 5710fc5..33efbd3 100644
--- a/drivers/staging/speakup/synth.c
+++ b/drivers/staging/speakup/synth.c
@@ -20,9 +20,9 @@
 #define MAXSYNTHS       16      /* Max number of synths in array. */
 static struct spk_synth *synths[MAXSYNTHS];
 struct spk_synth *synth;
-char pitch_buff[32] = "";
+char spk_pitch_buff[32] = "";
 static int module_status;
-bool quiet_boot;
+bool spk_quiet_boot;
 
 struct speakup_info_t speakup_info = {
 	.spinlock = __SPIN_LOCK_UNLOCKED(speakup_info.spinlock),
@@ -32,7 +32,7 @@
 
 static int do_synth_init(struct spk_synth *in_synth);
 
-int serial_synth_probe(struct spk_synth *synth)
+int spk_serial_synth_probe(struct spk_synth *synth)
 {
 	const struct old_serial_port *ser;
 	int failed = 0;
@@ -59,7 +59,7 @@
 	synth->alive = 1;
 	return 0;
 }
-EXPORT_SYMBOL_GPL(serial_synth_probe);
+EXPORT_SYMBOL_GPL(spk_serial_synth_probe);
 
 /* Main loop of the progression thread: keep eating from the buffer
  * and push to the serial port, waiting as needed
@@ -79,9 +79,9 @@
 	int delay_time_val;
 	int full_time_val;
 
-	jiffy_delta = get_var(JIFFY);
-	full_time = get_var(FULL);
-	delay_time = get_var(DELAY);
+	jiffy_delta = spk_get_var(JIFFY);
+	full_time = spk_get_var(FULL);
+	delay_time = spk_get_var(DELAY);
 
 	spk_lock(flags);
 	jiffy_delta_val = jiffy_delta->u.n.value;
@@ -139,7 +139,7 @@
 	while ((ch = *buff)) {
 		if (ch == '\n')
 			ch = synth->procspeech;
-		if (wait_for_xmitr())
+		if (spk_wait_for_xmitr())
 			outb(ch, speakup_info.port_tts);
 		else
 			return buff;
@@ -166,7 +166,7 @@
 {
 	if (synth->alive)
 		return 1;
-	if (!synth->alive && wait_for_xmitr() > 0) {
+	if (!synth->alive && spk_wait_for_xmitr() > 0) {
 		/* restart */
 		synth->alive = 1;
 		synth_printf("%s", synth->init);
@@ -192,20 +192,20 @@
 		synth_buffer_clear();
 		return;
 	}
-	trigger_time = get_var(TRIGGER);
+	trigger_time = spk_get_var(TRIGGER);
 	if (!timer_pending(&thread_timer))
 		mod_timer(&thread_timer, jiffies +
 			msecs_to_jiffies(trigger_time->u.n.value));
 }
 
-void do_flush(void)
+void spk_do_flush(void)
 {
 	speakup_info.flushing = 1;
 	synth_buffer_clear();
 	if (synth->alive) {
-		if (pitch_shift) {
-			synth_printf("%s", pitch_buff);
-			pitch_shift = 0;
+		if (spk_pitch_shift) {
+			synth_printf("%s", spk_pitch_buff);
+			spk_pitch_shift = 0;
 		}
 	}
 	wake_up_interruptible_all(&speakup_event);
@@ -241,7 +241,7 @@
 static int index_count;
 static int sentence_count;
 
-void reset_index_count(int sc)
+void spk_reset_index_count(int sc)
 {
 	static int first = 1;
 	if (first)
@@ -277,7 +277,7 @@
 	}
 }
 
-void get_index_count(int *linecount, int *sentcount)
+void spk_get_index_count(int *linecount, int *sentcount)
 {
 	int ind = synth->get_index();
 	if (ind) {
@@ -384,7 +384,7 @@
 	for (var = synth->vars;
 		(var->var_id >= 0) && (var->var_id < MAXVARS); var++)
 		speakup_register_var(var);
-	if (!quiet_boot)
+	if (!spk_quiet_boot)
 		synth_printf("%s found\n", synth->long_name);
 	if (synth->attributes.name
 	&& sysfs_create_group(speakup_kobj, &(synth->attributes)) < 0)
@@ -412,7 +412,7 @@
 		sysfs_remove_group(speakup_kobj, &(synth->attributes));
 	for (var = synth->vars; var->var_id != MAXVARS; var++)
 		speakup_unregister_var(var->var_id);
-	stop_serial_interrupt();
+	spk_stop_serial_interrupt();
 	synth->release();
 	synth = NULL;
 }
@@ -460,4 +460,4 @@
 }
 EXPORT_SYMBOL_GPL(synth_remove);
 
-short punc_masks[] = { 0, SOME, MOST, PUNC, PUNC|B_SYM };
+short spk_punc_masks[] = { 0, SOME, MOST, PUNC, PUNC|B_SYM };
diff --git a/drivers/staging/speakup/thread.c b/drivers/staging/speakup/thread.c
index 103c5c8..42fa660 100644
--- a/drivers/staging/speakup/thread.c
+++ b/drivers/staging/speakup/thread.c
@@ -23,8 +23,8 @@
 		DEFINE_WAIT(wait);
 		while (1) {
 			spk_lock(flags);
-			our_sound = unprocessed_sound;
-			unprocessed_sound.active = 0;
+			our_sound = spk_unprocessed_sound;
+			spk_unprocessed_sound.active = 0;
 			prepare_to_wait(&speakup_event, &wait,
 				TASK_INTERRUPTIBLE);
 			should_break = kthread_should_stop() ||
diff --git a/drivers/staging/speakup/varhandlers.c b/drivers/staging/speakup/varhandlers.c
index ab7de93..f8c1e45 100644
--- a/drivers/staging/speakup/varhandlers.c
+++ b/drivers/staging/speakup/varhandlers.c
@@ -16,24 +16,24 @@
 	{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
 	{ "characters", CHARS, VAR_PROC, NULL, NULL },
 	{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
-	{ "caps_start", CAPS_START, VAR_STRING, str_caps_start, NULL },
-	{ "caps_stop", CAPS_STOP, VAR_STRING, str_caps_stop, NULL },
+	{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
+	{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
 	{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
 	{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
 	{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
 	{ "full_time", FULL, VAR_TIME, NULL, NULL },
-	{ "spell_delay", SPELL_DELAY, VAR_NUM, &spell_delay, NULL },
-	{ "bleeps", BLEEPS, VAR_NUM, &bleeps, NULL },
-	{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &attrib_bleep, NULL },
-	{ "bleep_time", BLEEP_TIME, VAR_TIME, &bleep_time, NULL },
+	{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
+	{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
+	{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
+	{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
 	{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
-	{ "punc_level", PUNC_LEVEL, VAR_NUM, &punc_level, NULL },
-	{ "reading_punc", READING_PUNC, VAR_NUM, &reading_punc, NULL },
-	{ "say_control", SAY_CONTROL, VAR_NUM, &say_ctrl, NULL },
-	{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &say_word_ctl, NULL },
-	{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &no_intr, NULL },
-	{ "key_echo", KEY_ECHO, VAR_NUM, &key_echo, NULL },
-	{ "bell_pos", BELL_POS, VAR_NUM, &bell_pos, NULL },
+	{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
+	{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
+	{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
+	{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
+	{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
+	{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
+	{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
 	{ "rate", RATE, VAR_NUM, NULL, NULL },
 	{ "pitch", PITCH, VAR_NUM, NULL, NULL },
 	{ "vol", VOL, VAR_NUM, NULL, NULL },
@@ -58,7 +58,7 @@
 	{ -1, -1 },
 };
 
-int chartab_get_value(char *keyword)
+int spk_chartab_get_value(char *keyword)
 {
 	int value = 0;
 
@@ -103,11 +103,11 @@
 	p_header->data = var;
 	switch (p_header->var_type) {
 	case VAR_STRING:
-		set_string_var(nothing, p_header, 0);
+		spk_set_string_var(nothing, p_header, 0);
 		break;
 	case VAR_NUM:
 	case VAR_TIME:
-		set_num_var(0, p_header, E_DEFAULT);
+		spk_set_num_var(0, p_header, E_DEFAULT);
 		break;
 	default:
 		break;
@@ -123,7 +123,7 @@
 	p_header->data = NULL;
 }
 
-struct st_var_header *get_var_header(enum var_id_t var_id)
+struct st_var_header *spk_get_var_header(enum var_id_t var_id)
 {
 	struct st_var_header *p_header;
 	if (var_id < 0 || var_id >= MAXVARS)
@@ -134,7 +134,7 @@
 	return p_header;
 }
 
-struct st_var_header *var_header_by_name(const char *name)
+struct st_var_header *spk_var_header_by_name(const char *name)
 {
 	int i;
 	struct st_var_header *where = NULL;
@@ -151,15 +151,15 @@
 	return where;
 }
 
-struct var_t *get_var(enum var_id_t var_id)
+struct var_t *spk_get_var(enum var_id_t var_id)
 {
 	BUG_ON(var_id < 0 || var_id >= MAXVARS);
 	BUG_ON(!var_ptrs[var_id]);
 	return var_ptrs[var_id]->data;
 }
-EXPORT_SYMBOL_GPL(get_var);
+EXPORT_SYMBOL_GPL(spk_get_var);
 
-struct punc_var_t *get_punc_var(enum var_id_t var_id)
+struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
 {
 	struct punc_var_t *rv = NULL;
 	struct punc_var_t *where;
@@ -175,7 +175,7 @@
 }
 
 /* handlers for setting vars */
-int set_num_var(int input, struct st_var_header *var, int how)
+int spk_set_num_var(int input, struct st_var_header *var, int how)
 {
 	int val;
 	short ret = 0;
@@ -217,7 +217,7 @@
 	if (p_val != NULL)
 		*p_val = val;
 	if (var->var_id == PUNC_LEVEL) {
-		punc_mask = punc_masks[val];
+		spk_punc_mask = spk_punc_masks[val];
 		return ret;
 	}
 	if (var_data->u.n.multiplier != 0)
@@ -232,7 +232,7 @@
 	if (!var_data->u.n.synth_fmt)
 		return ret;
 	if (var->var_id == PITCH)
-		cp = pitch_buff;
+		cp = spk_pitch_buff;
 	else
 		cp = buf;
 	if (!var_data->u.n.out_str)
@@ -244,7 +244,7 @@
 	return ret;
 }
 
-int set_string_var(const char *page, struct st_var_header *var, int len)
+int spk_set_string_var(const char *page, struct st_var_header *var, int len)
 {
 	int ret = 0;
 	struct var_t *var_data = var->data;
@@ -267,21 +267,21 @@
 	return ret;
 }
 
-/* set_mask_bits sets or clears the punc/delim/repeat bits,
+/* spk_set_mask_bits sets or clears the punc/delim/repeat bits,
  * if input is null uses the defaults.
  * values for how: 0 clears bits of chars supplied,
  * 1 clears allk, 2 sets bits for chars */
-int set_mask_bits(const char *input, const int which, const int how)
+int spk_set_mask_bits(const char *input, const int which, const int how)
 {
 	u_char *cp;
-	short mask = punc_info[which].mask;
+	short mask = spk_punc_info[which].mask;
 	if (how&1) {
-		for (cp = (u_char *)punc_info[3].value; *cp; cp++)
+		for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
 			spk_chartab[*cp] &= ~mask;
 	}
 	cp = (u_char *)input;
 	if (cp == 0)
-		cp = punc_info[which].value;
+		cp = spk_punc_info[which].value;
 	else {
 		for ( ; *cp; cp++) {
 			if (*cp < SPACE)
@@ -308,7 +308,7 @@
 	return 0;
 }
 
-char *strlwr(char *s)
+char *spk_strlwr(char *s)
 {
 	char *p;
 	if (s == NULL)
@@ -341,7 +341,7 @@
 	return start;
 }
 
-char *s2uchar(char *start, char *dest)
+char *spk_s2uchar(char *start, char *dest)
 {
 	int val = 0;
 	while (*start && *start <= SPACE)
@@ -357,7 +357,7 @@
 	return start;
 }
 
-char *xlate(char *s)
+char *spk_xlate(char *s)
 {
 	static const char finds[] = "nrtvafe";
 	static const char subs[] = "\n\r\t\013\001\014\033";
diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index c7df34e..f825814 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -213,7 +213,7 @@
 	case GPT_CLK:
 		status = omap_dm_timer_start(timer[clk_id - 1]);
 		break;
-#ifdef CONFIG_OMAP_MCBSP
+#ifdef CONFIG_SND_OMAP_SOC_MCBSP
 	case MCBSP_CLK:
 		omap_mcbsp_request(MCBSP_ID(clk_id));
 		omap2_mcbsp_set_clks_src(MCBSP_ID(clk_id), MCBSP_CLKS_PAD_SRC);
@@ -289,7 +289,7 @@
 	case GPT_CLK:
 		status = omap_dm_timer_stop(timer[clk_id - 1]);
 		break;
-#ifdef CONFIG_OMAP_MCBSP
+#ifdef CONFIG_SND_OMAP_SOC_MCBSP
 	case MCBSP_CLK:
 		omap2_mcbsp_set_clks_src(MCBSP_ID(clk_id), MCBSP_CLKS_PRCM_SRC);
 		omap_mcbsp_free(MCBSP_ID(clk_id));
diff --git a/drivers/staging/wlags49_h2/wl_priv.c b/drivers/staging/wlags49_h2/wl_priv.c
index f30e5ee..ff459b2 100644
--- a/drivers/staging/wlags49_h2/wl_priv.c
+++ b/drivers/staging/wlags49_h2/wl_priv.c
@@ -570,6 +570,7 @@
 	ltv_t                   *pLtv;
 	bool_t                  ltvAllocated = FALSE;
 	ENCSTRCT                sEncryption;
+	size_t			len;
 
 #ifdef USE_WDS
 	hcf_16                  hcfPort  = HCF_PORT_0;
@@ -686,7 +687,8 @@
 					break;
 				case CFG_CNF_OWN_NAME:
 					memset( lp->StationName, 0, sizeof( lp->StationName ));
-					memcpy( (void *)lp->StationName, (void *)&pLtv->u.u8[2], (size_t)pLtv->u.u16[0]);
+					len = min_t(size_t, pLtv->u.u16[0], sizeof(lp->StationName));
+					strlcpy(lp->StationName, &pLtv->u.u8[2], len);
 					pLtv->u.u16[0] = CNV_INT_TO_LITTLE( pLtv->u.u16[0] );
 					break;
 				case CFG_CNF_LOAD_BALANCING:
@@ -1800,6 +1802,7 @@
 {
         struct wl_private *lp = wl_priv(dev);
         unsigned long flags;
+	size_t len;
         int         ret = 0;
 	/*------------------------------------------------------------------------*/
 
@@ -1810,8 +1813,8 @@
         wl_lock(lp, &flags);
 
         memset( lp->StationName, 0, sizeof( lp->StationName ));
-
-        memcpy( lp->StationName, extra, wrqu->data.length);
+	len = min_t(size_t, wrqu->data.length, sizeof(lp->StationName));
+	strlcpy(lp->StationName, extra, len);
 
         /* Commit the adapter parameters */
         wl_apply( lp );
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 685d612..cdac567 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -235,7 +235,7 @@
 
 	if (is_partial_io(bvec)) {
 		/* Use  a temporary buffer to decompress the page */
-		uncmem = kmalloc(PAGE_SIZE, GFP_KERNEL);
+		uncmem = kmalloc(PAGE_SIZE, GFP_NOIO);
 		if (!uncmem) {
 			pr_info("Error allocating temp memory!\n");
 			return -ENOMEM;
@@ -330,7 +330,7 @@
 		 * This is a partial IO. We need to read the full page
 		 * before to write the changes.
 		 */
-		uncmem = kmalloc(PAGE_SIZE, GFP_KERNEL);
+		uncmem = kmalloc(PAGE_SIZE, GFP_NOIO);
 		if (!uncmem) {
 			pr_info("Error allocating temp memory!\n");
 			ret = -ENOMEM;
@@ -535,13 +535,20 @@
  */
 static inline int valid_io_request(struct zram *zram, struct bio *bio)
 {
-	if (unlikely(
-		(bio->bi_sector >= (zram->disksize >> SECTOR_SHIFT)) ||
-		(bio->bi_sector & (ZRAM_SECTOR_PER_LOGICAL_BLOCK - 1)) ||
-		(bio->bi_size & (ZRAM_LOGICAL_BLOCK_SIZE - 1)))) {
+	u64 start, end, bound;
 
+	/* unaligned request */
+	if (unlikely(bio->bi_sector & (ZRAM_SECTOR_PER_LOGICAL_BLOCK - 1)))
 		return 0;
-	}
+	if (unlikely(bio->bi_size & (ZRAM_LOGICAL_BLOCK_SIZE - 1)))
+		return 0;
+
+	start = bio->bi_sector;
+	end = start + (bio->bi_size >> SECTOR_SHIFT);
+	bound = zram->disksize >> SECTOR_SHIFT;
+	/* out of range range */
+	if (unlikely(start >= bound || end > bound || start > end))
+		return 0;
 
 	/* I/O request is valid */
 	return 1;
@@ -703,7 +710,7 @@
 
 static int create_device(struct zram *zram, int device_id)
 {
-	int ret = 0;
+	int ret = -ENOMEM;
 
 	init_rwsem(&zram->lock);
 	init_rwsem(&zram->init_lock);
@@ -713,7 +720,6 @@
 	if (!zram->queue) {
 		pr_err("Error allocating disk queue for device %d\n",
 			device_id);
-		ret = -ENOMEM;
 		goto out;
 	}
 
@@ -723,11 +729,9 @@
 	 /* gendisk structure */
 	zram->disk = alloc_disk(1);
 	if (!zram->disk) {
-		blk_cleanup_queue(zram->queue);
 		pr_warning("Error allocating disk structure for device %d\n",
 			device_id);
-		ret = -ENOMEM;
-		goto out;
+		goto out_free_queue;
 	}
 
 	zram->disk->major = zram_major;
@@ -756,11 +760,17 @@
 				&zram_disk_attr_group);
 	if (ret < 0) {
 		pr_warning("Error creating sysfs group");
-		goto out;
+		goto out_free_disk;
 	}
 
 	zram->init_done = 0;
+	return 0;
 
+out_free_disk:
+	del_gendisk(zram->disk);
+	put_disk(zram->disk);
+out_free_queue:
+	blk_cleanup_queue(zram->queue);
 out:
 	return ret;
 }
@@ -841,9 +851,11 @@
 	for (i = 0; i < num_devices; i++) {
 		zram = &zram_devices[i];
 
+		get_disk(zram->disk);
 		destroy_device(zram);
 		if (zram->init_done)
 			zram_reset_device(zram);
+		put_disk(zram->disk);
 	}
 
 	unregister_blkdev(zram_major, "zram");
diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c
index a7f3771..aafcf03 100644
--- a/drivers/staging/zram/zram_sysfs.c
+++ b/drivers/staging/zram/zram_sysfs.c
@@ -95,20 +95,27 @@
 	zram = dev_to_zram(dev);
 	bdev = bdget_disk(zram->disk, 0);
 
+	if (!bdev)
+		return -ENOMEM;
+
 	/* Do not reset an active device! */
-	if (bdev->bd_holders)
-		return -EBUSY;
+	if (bdev->bd_holders) {
+		ret = -EBUSY;
+		goto out;
+	}
 
 	ret = kstrtou16(buf, 10, &do_reset);
 	if (ret)
-		return ret;
+		goto out;
 
-	if (!do_reset)
-		return -EINVAL;
+	if (!do_reset) {
+		ret = -EINVAL;
+		goto out;
+	}
 
 	/* Make sure all pending I/O is finished */
-	if (bdev)
-		fsync_bdev(bdev);
+	fsync_bdev(bdev);
+	bdput(bdev);
 
 	down_write(&zram->init_lock);
 	if (zram->init_done)
@@ -116,6 +123,10 @@
 	up_write(&zram->init_lock);
 
 	return len;
+
+out:
+	bdput(bdev);
+	return ret;
 }
 
 static ssize_t num_reads_show(struct device *dev,
@@ -186,10 +197,12 @@
 	u64 val = 0;
 	struct zram *zram = dev_to_zram(dev);
 
+	down_read(&zram->init_lock);
 	if (zram->init_done) {
 		val = zs_get_total_size_bytes(zram->mem_pool) +
 			((u64)(zram->stats.pages_expand) << PAGE_SHIFT);
 	}
+	up_read(&zram->init_lock);
 
 	return sprintf(buf, "%llu\n", val);
 }
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 48e7c48..2e7e5a8 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -2347,6 +2347,7 @@
 {
 	struct iscsi_cmd *cmd;
 	struct iscsi_conn *conn_p;
+	bool found = false;
 
 	/*
 	 * Only send a Asynchronous Message on connections whos network
@@ -2355,11 +2356,12 @@
 	list_for_each_entry(conn_p, &conn->sess->sess_conn_list, conn_list) {
 		if (conn_p->conn_state == TARG_CONN_STATE_LOGGED_IN) {
 			iscsit_inc_conn_usage_count(conn_p);
+			found = true;
 			break;
 		}
 	}
 
-	if (!conn_p)
+	if (!found)
 		return;
 
 	cmd = iscsit_allocate_cmd(conn_p, GFP_ATOMIC);
@@ -4290,6 +4292,7 @@
 {
 	struct iscsi_conn *l_conn;
 	struct iscsi_session *sess = conn->sess;
+	bool conn_found = false;
 
 	if (!sess)
 		return;
@@ -4298,12 +4301,13 @@
 	list_for_each_entry(l_conn, &sess->sess_conn_list, conn_list) {
 		if (l_conn->cid == cid) {
 			iscsit_inc_conn_usage_count(l_conn);
+			conn_found = true;
 			break;
 		}
 	}
 	spin_unlock_bh(&sess->conn_lock);
 
-	if (!l_conn)
+	if (!conn_found)
 		return;
 
 	if (l_conn->sock)
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index b54f6ec..cbb04f3 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -342,6 +342,16 @@
 		goto out;
 	}
 	/*
+	 * During mutual authentication, the CHAP_C generated by the
+	 * initiator must not match the original CHAP_C generated by
+	 * the target.
+	 */
+	if (!memcmp(challenge_binhex, chap->challenge, CHAP_CHALLENGE_LENGTH)) {
+		pr_err("initiator CHAP_C matches target CHAP_C, failing"
+		       " login attempt\n");
+		goto out;
+	}
+	/*
 	 * Generate CHAP_N and CHAP_R for mutual authentication.
 	 */
 	tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 3cb7a4f..bc7d08f 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -131,13 +131,13 @@
 
 	initiatorname_param = iscsi_find_param_from_key(
 			INITIATORNAME, conn->param_list);
-	if (!initiatorname_param)
-		return -1;
-
 	sessiontype_param = iscsi_find_param_from_key(
 			SESSIONTYPE, conn->param_list);
-	if (!sessiontype_param)
+	if (!initiatorname_param || !sessiontype_param) {
+		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR,
+			ISCSI_LOGIN_STATUS_MISSING_FIELDS);
 		return -1;
+	}
 
 	sessiontype = (strncmp(sessiontype_param->value, NORMAL, 6)) ? 1 : 0;
 
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 60470ee..89f8909 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -628,8 +628,11 @@
 			login->req_buf,
 			payload_length,
 			conn->param_list);
-	if (ret < 0)
+	if (ret < 0) {
+		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR,
+				ISCSI_LOGIN_STATUS_INIT_ERR);
 		return -1;
+	}
 
 	if (login->first_request)
 		if (iscsi_target_check_first_request(conn, login) < 0)
@@ -644,8 +647,11 @@
 			login->rsp_buf,
 			&login->rsp_length,
 			conn->param_list);
-	if (ret < 0)
+	if (ret < 0) {
+		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR,
+				ISCSI_LOGIN_STATUS_INIT_ERR);
 		return -1;
+	}
 
 	if (!login->auth_complete &&
 	     ISCSI_TPG_ATTRIB(ISCSI_TPG_C(conn))->authentication) {
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 8a8ff23..ed4abad 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -552,7 +552,7 @@
 	param_list = kzalloc(sizeof(struct iscsi_param_list), GFP_KERNEL);
 	if (!param_list) {
 		pr_err("Unable to allocate memory for struct iscsi_param_list.\n");
-		goto err_out;
+		return -1;
 	}
 	INIT_LIST_HEAD(&param_list->param_list);
 	INIT_LIST_HEAD(&param_list->extra_response_list);
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index aa3c106..b10f585 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -394,7 +394,7 @@
 	case SEND_DIAGNOSTIC:
 		return 0;
 	case MAINTENANCE_IN:
-		switch (cdb[1]) {
+		switch (cdb[1] & 0x1f) {
 		case MI_REPORT_TARGET_PGS:
 			return 0;
 		default:
@@ -437,7 +437,7 @@
 	case REPORT_LUNS:
 		return 0;
 	case MAINTENANCE_IN:
-		switch (cdb[1]) {
+		switch (cdb[1] & 0x1f) {
 		case MI_REPORT_TARGET_PGS:
 			return 0;
 		default:
@@ -478,7 +478,7 @@
 	case REPORT_LUNS:
 		return 0;
 	case MAINTENANCE_IN:
-		switch (cdb[1]) {
+		switch (cdb[1] & 0x1f) {
 		case MI_REPORT_TARGET_PGS:
 			return 0;
 		default:
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index a251efd..f44459a 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -299,7 +299,7 @@
 
 	for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
 		iov[i].iov_len = sg->length;
-		iov[i].iov_base = sg_virt(sg);
+		iov[i].iov_base = kmap(sg_page(sg)) + sg->offset;
 	}
 
 	old_fs = get_fs();
@@ -307,6 +307,8 @@
 	ret = vfs_readv(fd, &iov[0], task->task_sg_nents, &pos);
 	set_fs(old_fs);
 
+	for_each_sg(task->task_sg, sg, task->task_sg_nents, i)
+		kunmap(sg_page(sg));
 	kfree(iov);
 	/*
 	 * Return zeros and GOOD status even if the READ did not return
@@ -352,7 +354,7 @@
 
 	for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
 		iov[i].iov_len = sg->length;
-		iov[i].iov_base = sg_virt(sg);
+		iov[i].iov_base = kmap(sg_page(sg)) + sg->offset;
 	}
 
 	old_fs = get_fs();
@@ -360,6 +362,9 @@
 	ret = vfs_writev(fd, &iov[0], task->task_sg_nents, &pos);
 	set_fs(old_fs);
 
+	for_each_sg(task->task_sg, sg, task->task_sg_nents, i)
+		kunmap(sg_page(sg));
+
 	kfree(iov);
 
 	if (ret < 0 || ret != task->task_size) {
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index d084ba3..d34577d 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -128,10 +128,10 @@
 	 * pSCSI Host ID and enable for phba mode
 	 */
 	sh = scsi_host_lookup(phv->phv_host_id);
-	if (IS_ERR(sh)) {
+	if (!sh) {
 		pr_err("pSCSI: Unable to locate SCSI Host for"
 			" phv_host_id: %d\n", phv->phv_host_id);
-		return PTR_ERR(sh);
+		return -EINVAL;
 	}
 
 	phv->phv_lld_host = sh;
@@ -562,10 +562,10 @@
 			sh = phv->phv_lld_host;
 		} else {
 			sh = scsi_host_lookup(pdv->pdv_host_id);
-			if (IS_ERR(sh)) {
+			if (!sh) {
 				pr_err("pSCSI: Unable to locate"
 					" pdv_host_id: %d\n", pdv->pdv_host_id);
-				return ERR_CAST(sh);
+				return ERR_PTR(-EINVAL);
 			}
 		}
 	} else {
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 65b99fc..1d05ae3 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -162,7 +162,7 @@
 						- 1;
 
 		for (j = 0; j < sg_per_table; j++) {
-			pg = alloc_pages(GFP_KERNEL, 0);
+			pg = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0);
 			if (!pg) {
 				pr_err("Unable to allocate scatterlist"
 					" pages for struct rd_dev_sg_table\n");
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 5362428..712999c 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1458,6 +1458,7 @@
 	case VERIFY_16: /* SBC - VRProtect */
 	case WRITE_VERIFY: /* SBC - VRProtect */
 	case WRITE_VERIFY_12: /* SBC - VRProtect */
+	case MAINTENANCE_IN: /* SPC - Parameter Data Format for SA RTPG */
 		break;
 	default:
 		cdb[1] &= 0x1f; /* clear logical unit number */
@@ -2815,7 +2816,7 @@
 			/*
 			 * Check for emulated MI_REPORT_TARGET_PGS.
 			 */
-			if (cdb[1] == MI_REPORT_TARGET_PGS &&
+			if ((cdb[1] & 0x1f) == MI_REPORT_TARGET_PGS &&
 			    su_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
 				cmd->execute_task =
 					target_emulate_report_target_port_groups;
@@ -4706,7 +4707,7 @@
 		/* ILLEGAL REQUEST */
 		buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
 		/* LOGICAL UNIT COMMUNICATION FAILURE */
-		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x80;
+		buffer[offset+SPC_ASC_KEY_OFFSET] = 0x08;
 		break;
 	}
 	/*
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 9249998..5ac8d56 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -69,6 +69,7 @@
 
 	if (tport) {
 		tport->tpg = tpg;
+		tpg->tport = tport;
 		return tport;
 	}
 
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 8880adf..1da617f 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -31,6 +31,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/major.h>
+#include <linux/atomic.h>
 #include <linux/sysrq.h>
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
@@ -70,6 +71,9 @@
 /* Picks up late kicks after list walk but before schedule() */
 static int hvc_kicked;
 
+/* hvc_init is triggered from hvc_alloc, i.e. only when actually used */
+static atomic_t hvc_needs_init __read_mostly = ATOMIC_INIT(-1);
+
 static int hvc_init(void);
 
 #ifdef CONFIG_MAGIC_SYSRQ
@@ -186,7 +190,7 @@
 	return hvc_driver;
 }
 
-static int __init hvc_console_setup(struct console *co, char *options)
+static int hvc_console_setup(struct console *co, char *options)
 {	
 	if (co->index < 0 || co->index >= MAX_NR_HVC_CONSOLES)
 		return -ENODEV;
@@ -825,7 +829,7 @@
 	int i;
 
 	/* We wait until a driver actually comes along */
-	if (!hvc_driver) {
+	if (atomic_inc_not_zero(&hvc_needs_init)) {
 		int err = hvc_init();
 		if (err)
 			return ERR_PTR(err);
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index acc0eab..53ff37b 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -108,7 +108,7 @@
  */
 
 struct gsm_msg {
-	struct gsm_msg *next;
+	struct list_head list;
 	u8 addr;		/* DLCI address + flags */
 	u8 ctrl;		/* Control byte + flags */
 	unsigned int len;	/* Length of data block (can be zero) */
@@ -245,8 +245,7 @@
 	unsigned int tx_bytes;		/* TX data outstanding */
 #define TX_THRESH_HI		8192
 #define TX_THRESH_LO		2048
-	struct gsm_msg *tx_head;	/* Pending data packets */
-	struct gsm_msg *tx_tail;
+	struct list_head tx_list;	/* Pending data packets */
 
 	/* Control messages */
 	struct timer_list t2_timer;	/* Retransmit timer for commands */
@@ -663,7 +662,7 @@
 	m->len = len;
 	m->addr = addr;
 	m->ctrl = ctrl;
-	m->next = NULL;
+	INIT_LIST_HEAD(&m->list);
 	return m;
 }
 
@@ -673,22 +672,21 @@
  *
  *	The tty device has called us to indicate that room has appeared in
  *	the transmit queue. Ram more data into the pipe if we have any
+ *	If we have been flow-stopped by a CMD_FCOFF, then we can only
+ *	send messages on DLCI0 until CMD_FCON
  *
  *	FIXME: lock against link layer control transmissions
  */
 
 static void gsm_data_kick(struct gsm_mux *gsm)
 {
-	struct gsm_msg *msg = gsm->tx_head;
+	struct gsm_msg *msg, *nmsg;
 	int len;
 	int skip_sof = 0;
 
-	/* FIXME: We need to apply this solely to data messages */
-	if (gsm->constipated)
-		return;
-
-	while (gsm->tx_head != NULL) {
-		msg = gsm->tx_head;
+	list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) {
+		if (gsm->constipated && msg->addr)
+			continue;
 		if (gsm->encoding != 0) {
 			gsm->txframe[0] = GSM1_SOF;
 			len = gsm_stuff_frame(msg->data,
@@ -711,14 +709,13 @@
 						len - skip_sof) < 0)
 			break;
 		/* FIXME: Can eliminate one SOF in many more cases */
-		gsm->tx_head = msg->next;
-		if (gsm->tx_head == NULL)
-			gsm->tx_tail = NULL;
 		gsm->tx_bytes -= msg->len;
-		kfree(msg);
 		/* For a burst of frames skip the extra SOF within the
 		   burst */
 		skip_sof = 1;
+
+		list_del(&msg->list);
+		kfree(msg);
 	}
 }
 
@@ -768,11 +765,7 @@
 	msg->data = dp;
 
 	/* Add to the actual output queue */
-	if (gsm->tx_tail)
-		gsm->tx_tail->next = msg;
-	else
-		gsm->tx_head = msg;
-	gsm->tx_tail = msg;
+	list_add_tail(&msg->list, &gsm->tx_list);
 	gsm->tx_bytes += msg->len;
 	gsm_data_kick(gsm);
 }
@@ -886,7 +879,7 @@
 	if (len > gsm->mtu) {
 		if (dlci->adaption == 3) {
 			/* Over long frame, bin it */
-			kfree_skb(dlci->skb);
+			dev_kfree_skb_any(dlci->skb);
 			dlci->skb = NULL;
 			return 0;
 		}
@@ -915,7 +908,7 @@
 	skb_pull(dlci->skb, len);
 	__gsm_data_queue(dlci, msg);
 	if (last) {
-		kfree_skb(dlci->skb);
+		dev_kfree_skb_any(dlci->skb);
 		dlci->skb = NULL;
 	}
 	return size;
@@ -976,6 +969,9 @@
 	unsigned long flags;
 	int sweep;
 
+	if (dlci->constipated)
+		return;
+
 	spin_lock_irqsave(&dlci->gsm->tx_lock, flags);
 	/* If we have nothing running then we need to fire up */
 	sweep = (dlci->gsm->tx_bytes < TX_THRESH_LO);
@@ -1033,6 +1029,7 @@
 {
 	int  mlines = 0;
 	u8 brk = 0;
+	int fc;
 
 	/* The modem status command can either contain one octet (v.24 signals)
 	   or two octets (v.24 signals + break signals). The length field will
@@ -1044,19 +1041,21 @@
 	else {
 		brk = modem & 0x7f;
 		modem = (modem >> 7) & 0x7f;
-	};
+	}
 
 	/* Flow control/ready to communicate */
-	if (modem & MDM_FC) {
+	fc = (modem & MDM_FC) || !(modem & MDM_RTR);
+	if (fc && !dlci->constipated) {
 		/* Need to throttle our output on this device */
 		dlci->constipated = 1;
-	}
-	if (modem & MDM_RTC) {
-		mlines |= TIOCM_DSR | TIOCM_DTR;
+	} else if (!fc && dlci->constipated) {
 		dlci->constipated = 0;
 		gsm_dlci_data_kick(dlci);
 	}
+
 	/* Map modem bits */
+	if (modem & MDM_RTC)
+		mlines |= TIOCM_DSR | TIOCM_DTR;
 	if (modem & MDM_RTR)
 		mlines |= TIOCM_RTS | TIOCM_CTS;
 	if (modem & MDM_IC)
@@ -1225,19 +1224,19 @@
 		gsm_control_reply(gsm, CMD_TEST, data, clen);
 		break;
 	case CMD_FCON:
-		/* Modem wants us to STFU */
-		gsm->constipated = 1;
-		gsm_control_reply(gsm, CMD_FCON, NULL, 0);
-		break;
-	case CMD_FCOFF:
 		/* Modem can accept data again */
 		gsm->constipated = 0;
-		gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
+		gsm_control_reply(gsm, CMD_FCON, NULL, 0);
 		/* Kick the link in case it is idling */
 		spin_lock_irqsave(&gsm->tx_lock, flags);
 		gsm_data_kick(gsm);
 		spin_unlock_irqrestore(&gsm->tx_lock, flags);
 		break;
+	case CMD_FCOFF:
+		/* Modem wants us to STFU */
+		gsm->constipated = 1;
+		gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
+		break;
 	case CMD_MSC:
 		/* Out of band modem line change indicator for a DLCI */
 		gsm_control_modem(gsm, data, clen);
@@ -1689,7 +1688,7 @@
 	dlci->gsm->dlci[dlci->addr] = NULL;
 	kfifo_free(dlci->fifo);
 	while ((dlci->skb = skb_dequeue(&dlci->skb_list)))
-		kfree_skb(dlci->skb);
+		dev_kfree_skb(dlci->skb);
 	kfree(dlci);
 }
 
@@ -2040,7 +2039,7 @@
 {
 	int i;
 	struct gsm_dlci *dlci = gsm->dlci[0];
-	struct gsm_msg *txq;
+	struct gsm_msg *txq, *ntxq;
 	struct gsm_control *gc;
 
 	gsm->dead = 1;
@@ -2075,11 +2074,9 @@
 		if (gsm->dlci[i])
 			gsm_dlci_release(gsm->dlci[i]);
 	/* Now wipe the queues */
-	for (txq = gsm->tx_head; txq != NULL; txq = gsm->tx_head) {
-		gsm->tx_head = txq->next;
+	list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list)
 		kfree(txq);
-	}
-	gsm->tx_tail = NULL;
+	INIT_LIST_HEAD(&gsm->tx_list);
 }
 EXPORT_SYMBOL_GPL(gsm_cleanup_mux);
 
@@ -2190,6 +2187,7 @@
 	}
 	spin_lock_init(&gsm->lock);
 	kref_init(&gsm->ref);
+	INIT_LIST_HEAD(&gsm->tx_list);
 
 	gsm->t1 = T1;
 	gsm->t2 = T2;
@@ -2306,7 +2304,7 @@
 			gsm->error(gsm, *dp, flags);
 			break;
 		default:
-			WARN_ONCE("%s: unknown flag %d\n",
+			WARN_ONCE(1, "%s: unknown flag %d\n",
 			       tty_name(tty, buf), flags);
 			break;
 		}
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index d537431..5fe2191 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -282,6 +282,33 @@
 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
 		.flags		= UART_CAP_FIFO | UART_CAP_AFE | UART_CAP_EFR,
 	},
+	[PORT_BRCM_TRUMANAGE] = {
+		.name		= "TruManage",
+		.fifo_size	= 1,
+		.tx_loadsz	= 1024,
+		.flags		= UART_CAP_HFIFO,
+	},
+	[PORT_ALTR_16550_F32] = {
+		.name		= "Altera 16550 FIFO32",
+		.fifo_size	= 32,
+		.tx_loadsz	= 32,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+	},
+	[PORT_ALTR_16550_F64] = {
+		.name		= "Altera 16550 FIFO64",
+		.fifo_size	= 64,
+		.tx_loadsz	= 64,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+	},
+	[PORT_ALTR_16550_F128] = {
+		.name		= "Altera 16550 FIFO128",
+		.fifo_size	= 128,
+		.tx_loadsz	= 128,
+		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+	},
 };
 
 #if defined(CONFIG_MIPS_ALCHEMY)
@@ -1470,6 +1497,11 @@
 		port->icount.tx++;
 		if (uart_circ_empty(xmit))
 			break;
+		if (up->capabilities & UART_CAP_HFIFO) {
+			if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) !=
+			    BOTH_EMPTY)
+				break;
+		}
 	} while (--count > 0);
 
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
@@ -2641,7 +2673,7 @@
 	if (ser->irq >= nr_irqs || ser->irq < 0 ||
 	    ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
 	    ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS ||
-	    ser->type == PORT_STARTECH)
+	    ser->type == PORT_STARTECH || uart_config[ser->type].name == NULL)
 		return -EINVAL;
 	return 0;
 }
@@ -2651,7 +2683,7 @@
 {
 	int type = port->type;
 
-	if (type >= ARRAY_SIZE(uart_config))
+	if (type >= ARRAY_SIZE(uart_config) || uart_config[type].name == NULL)
 		type = 0;
 	return uart_config[type].name;
 }
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 2868a1d..b37147c 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -69,6 +69,7 @@
 #define UART_CAP_AFE	(1 << 11)	/* MCR-based hw flow control */
 #define UART_CAP_UUE	(1 << 12)	/* UART needs IER bit 6 set (Xscale) */
 #define UART_CAP_RTOIE	(1 << 13)	/* UART needs IER bit 4 set (Xscale, Tegra) */
+#define UART_CAP_HFIFO	(1 << 14)	/* UART has a "hidden" FIFO */
 
 #define UART_BUG_QUOT	(1 << 0)	/* UART has buggy quot LSB */
 #define UART_BUG_TXEN	(1 << 1)	/* UART has buggy TX IIR status */
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index fdc669c..d53f396 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1077,6 +1077,18 @@
 	return setup_port(priv, port, 2, idx * 8, 0);
 }
 
+static int
+pci_brcm_trumanage_setup(struct serial_private *priv,
+			 const struct pciserial_board *board,
+			 struct uart_port *port, int idx)
+{
+	int ret = pci_default_setup(priv, board, port, idx);
+
+	port->type = PORT_BRCM_TRUMANAGE;
+	port->flags = (port->flags | UPF_FIXED_PORT | UPF_FIXED_TYPE);
+	return ret;
+}
+
 static int skip_tx_en_setup(struct serial_private *priv,
 			const struct pciserial_board *board,
 			struct uart_port *port, int idx)
@@ -1151,9 +1163,11 @@
 #define PCIE_DEVICE_ID_NEO_2_OX_IBM	0x00F6
 #define PCI_DEVICE_ID_PLX_CRONYX_OMEGA	0xc001
 #define PCI_DEVICE_ID_INTEL_PATSBURG_KT 0x1d3d
+#define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a
 
 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */
 #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584	0x1584
+#define PCI_SUBDEVICE_ID_UNKNOWN_0x1588	0x1588
 
 /*
  * Master list of serial port init/setup/exit quirks.
@@ -1425,15 +1439,6 @@
 	},
 	{
 		.vendor		= PCI_VENDOR_ID_PLX,
-		.device		= PCI_DEVICE_ID_PLX_9050,
-		.subvendor	= PCI_VENDOR_ID_PLX,
-		.subdevice	= PCI_SUBDEVICE_ID_UNKNOWN_0x1584,
-		.init		= pci_plx9050_init,
-		.setup		= pci_default_setup,
-		.exit		= __devexit_p(pci_plx9050_exit),
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_PLX,
 		.device		= PCI_DEVICE_ID_PLX_ROMULUS,
 		.subvendor	= PCI_VENDOR_ID_PLX,
 		.subdevice	= PCI_DEVICE_ID_PLX_ROMULUS,
@@ -1692,6 +1697,17 @@
 		.setup		= pci_omegapci_setup,
 	 },
 	/*
+	 * Broadcom TruManage (NetXtreme)
+	 */
+	{
+		.vendor		= PCI_VENDOR_ID_BROADCOM,
+		.device		= PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+		.setup		= pci_brcm_trumanage_setup,
+	},
+
+	/*
 	 * Default "match everything" terminator entry
 	 */
 	{
@@ -1880,6 +1896,7 @@
 	pbn_ce4100_1_115200,
 	pbn_omegapci,
 	pbn_NETMOS9900_2s_115200,
+	pbn_brcm_trumanage,
 };
 
 /*
@@ -2586,6 +2603,12 @@
 		.num_ports	= 2,
 		.base_baud	= 115200,
 	},
+	[pbn_brcm_trumanage] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 1,
+		.reg_shift	= 2,
+		.base_baud	= 115200,
+	},
 };
 
 static const struct pci_device_id softmodem_blacklist[] = {
@@ -3109,7 +3132,12 @@
 	{	PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
 		PCI_VENDOR_ID_PLX,
 		PCI_SUBDEVICE_ID_UNKNOWN_0x1584, 0, 0,
-		pbn_b0_4_115200 },
+		pbn_b2_4_115200 },
+	/* Unknown card - subdevice 0x1588 */
+	{	PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
+		PCI_VENDOR_ID_PLX,
+		PCI_SUBDEVICE_ID_UNKNOWN_0x1588, 0, 0,
+		pbn_b2_8_115200 },
 	{	PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
 		PCI_SUBVENDOR_ID_KEYSPAN,
 		PCI_SUBDEVICE_ID_KEYSPAN_SX2, 0, 0,
@@ -4143,6 +4171,13 @@
 		pbn_omegapci },
 
 	/*
+	 * Broadcom TruManage
+	 */
+	{	PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_brcm_trumanage },
+
+	/*
 	 * These entries match devices with class COMMUNICATION_SERIAL,
 	 * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL
 	 */
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0de7ed7..88620e1 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -131,6 +131,7 @@
 #define  UCR4_OREN  	 (1<<1)  /* Receiver overrun interrupt enable */
 #define  UCR4_DREN  	 (1<<0)  /* Recv data ready interrupt enable */
 #define  UFCR_RXTL_SHF   0       /* Receiver trigger level shift */
+#define  UFCR_DCEDTE	 (1<<6)  /* DCE/DTE mode select */
 #define  UFCR_RFDIV      (7<<7)  /* Reference freq divider mask */
 #define  UFCR_RFDIV_REG(x)	(((x) < 7 ? 6 - (x) : 6) << 7)
 #define  UFCR_TXTL_SHF   10      /* Transmitter trigger level shift */
@@ -666,22 +667,11 @@
 static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
 {
 	unsigned int val;
-	unsigned int ufcr_rfdiv;
 
-	/* set receiver / transmitter trigger level.
-	 * RFDIV is set such way to satisfy requested uartclk value
-	 */
-	val = TXTL << 10 | RXTL;
-	ufcr_rfdiv = (clk_get_rate(sport->clk) + sport->port.uartclk / 2)
-			/ sport->port.uartclk;
-
-	if(!ufcr_rfdiv)
-		ufcr_rfdiv = 1;
-
-	val |= UFCR_RFDIV_REG(ufcr_rfdiv);
-
+	/* set receiver / transmitter trigger level */
+	val = readl(sport->port.membase + UFCR) & (UFCR_RFDIV | UFCR_DCEDTE);
+	val |= TXTL << UFCR_TXTL_SHF | RXTL;
 	writel(val, sport->port.membase + UFCR);
-
 	return 0;
 }
 
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index e8c9cee..6563cad 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -182,6 +182,12 @@
 	{ .compatible = "ns16750",  .data = (void *)PORT_16750, },
 	{ .compatible = "ns16850",  .data = (void *)PORT_16850, },
 	{ .compatible = "nvidia,tegra20-uart", .data = (void *)PORT_TEGRA, },
+	{ .compatible = "altr,16550-FIFO32",
+		.data = (void *)PORT_ALTR_16550_F32, },
+	{ .compatible = "altr,16550-FIFO64",
+		.data = (void *)PORT_ALTR_16550_F64, },
+	{ .compatible = "altr,16550-FIFO128",
+		.data = (void *)PORT_ALTR_16550_F128, },
 #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL
 	{ .compatible = "ibm,qpace-nwp-serial",
 		.data = (void *)PORT_NWPSERIAL, },
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 2e99f79..e78d2a6 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -646,11 +646,12 @@
 		dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
 			 size - room);
 	if (!room)
-		return room;
+		goto out;
 
 	tty_insert_flip_string(tty, sg_virt(&priv->sg_rx), size);
 
 	port->icount.rx += room;
+out:
 	tty_kref_put(tty);
 
 	return room;
@@ -1064,6 +1065,8 @@
 	if (tty == NULL) {
 		for (i = 0; error_msg[i] != NULL; i++)
 			dev_err(&priv->pdev->dev, error_msg[i]);
+	} else {
+		tty_kref_put(tty);
 	}
 }
 
diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c
index f0d93eb..c9549aa 100644
--- a/drivers/tty/serial/sunsab.c
+++ b/drivers/tty/serial/sunsab.c
@@ -157,6 +157,15 @@
 	    (up->port.line == up->port.cons->index))
 		saw_console_brk = 1;
 
+	if (count == 0) {
+		if (unlikely(stat->sreg.isr1 & SAB82532_ISR1_BRK)) {
+			stat->sreg.isr0 &= ~(SAB82532_ISR0_PERR |
+					     SAB82532_ISR0_FERR);
+			up->port.icount.brk++;
+			uart_handle_break(&up->port);
+		}
+	}
+
 	for (i = 0; i < count; i++) {
 		unsigned char ch = buf[i], flag;
 
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 91e326f..408d074 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -114,11 +114,14 @@
 {
 	struct tty_buffer *thead;
 
-	while ((thead = tty->buf.head) != NULL) {
-		tty->buf.head = thead->next;
-		tty_buffer_free(tty, thead);
+	if (tty->buf.head == NULL)
+		return;
+	while ((thead = tty->buf.head->next) != NULL) {
+		tty_buffer_free(tty, tty->buf.head);
+		tty->buf.head = thead;
 	}
-	tty->buf.tail = NULL;
+	WARN_ON(tty->buf.head != tty->buf.tail);
+	tty->buf.head->read = tty->buf.head->commit;
 }
 
 /**
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 4a9dd86..2f2540f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -123,13 +123,23 @@
 static int acm_ctrl_msg(struct acm *acm, int request, int value,
 							void *buf, int len)
 {
-	int retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0),
+	int retval;
+
+	retval = usb_autopm_get_interface(acm->control);
+	if (retval)
+		return retval;
+
+	retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0),
 		request, USB_RT_ACM, value,
 		acm->control->altsetting[0].desc.bInterfaceNumber,
 		buf, len, 5000);
+
 	dev_dbg(&acm->control->dev,
 			"%s - rq 0x%02x, val %#x, len %#x, result %d\n",
 			__func__, request, value, len, retval);
+
+	usb_autopm_put_interface(acm->control);
+
 	return retval < 0 ? retval : 0;
 }
 
@@ -234,12 +244,9 @@
 							acm->susp_count);
 	usb_autopm_get_interface_async(acm->control);
 	if (acm->susp_count) {
-		if (!acm->delayed_wb)
-			acm->delayed_wb = wb;
-		else
-			usb_autopm_put_interface_async(acm->control);
+		usb_anchor_urb(wb->urb, &acm->delayed);
 		spin_unlock_irqrestore(&acm->write_lock, flags);
-		return 0;	/* A white lie */
+		return 0;
 	}
 	usb_mark_last_busy(acm->dev);
 
@@ -535,6 +542,7 @@
 {
 	struct acm *acm = container_of(port, struct acm, port);
 	int retval = -ENODEV;
+	int i;
 
 	dev_dbg(&acm->control->dev, "%s\n", __func__);
 
@@ -583,6 +591,8 @@
 	return 0;
 
 error_submit_read_urbs:
+	for (i = 0; i < acm->rx_buflimit; i++)
+		usb_kill_urb(acm->read_urbs[i]);
 	acm->ctrlout = 0;
 	acm_set_control(acm, acm->ctrlout);
 error_set_control:
@@ -610,21 +620,35 @@
 static void acm_port_shutdown(struct tty_port *port)
 {
 	struct acm *acm = container_of(port, struct acm, port);
+	struct urb *urb;
+	struct acm_wb *wb;
 	int i;
+	int pm_err;
 
 	dev_dbg(&acm->control->dev, "%s\n", __func__);
 
 	mutex_lock(&acm->mutex);
 	if (!acm->disconnected) {
-		usb_autopm_get_interface(acm->control);
+		pm_err = usb_autopm_get_interface(acm->control);
 		acm_set_control(acm, acm->ctrlout = 0);
+
+		for (;;) {
+			urb = usb_get_from_anchor(&acm->delayed);
+			if (!urb)
+				break;
+			wb = urb->context;
+			wb->use = 0;
+			usb_autopm_put_interface_async(acm->control);
+		}
+
 		usb_kill_urb(acm->ctrlurb);
 		for (i = 0; i < ACM_NW; i++)
 			usb_kill_urb(acm->wb[i].urb);
 		for (i = 0; i < acm->rx_buflimit; i++)
 			usb_kill_urb(acm->read_urbs[i]);
 		acm->control->needs_remote_wakeup = 0;
-		usb_autopm_put_interface(acm->control);
+		if (!pm_err)
+			usb_autopm_put_interface(acm->control);
 	}
 	mutex_unlock(&acm->mutex);
 }
@@ -1211,6 +1235,7 @@
 		acm->bInterval = epread->bInterval;
 	tty_port_init(&acm->port);
 	acm->port.ops = &acm_port_ops;
+	init_usb_anchor(&acm->delayed);
 
 	buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
 	if (!buf) {
@@ -1441,18 +1466,15 @@
 	struct acm *acm = usb_get_intfdata(intf);
 	int cnt;
 
-	if (PMSG_IS_AUTO(message)) {
-		int b;
-
-		spin_lock_irq(&acm->write_lock);
-		b = acm->transmitting;
-		spin_unlock_irq(&acm->write_lock);
-		if (b)
-			return -EBUSY;
-	}
-
 	spin_lock_irq(&acm->read_lock);
 	spin_lock(&acm->write_lock);
+	if (PMSG_IS_AUTO(message)) {
+		if (acm->transmitting) {
+			spin_unlock(&acm->write_lock);
+			spin_unlock_irq(&acm->read_lock);
+			return -EBUSY;
+		}
+	}
 	cnt = acm->susp_count++;
 	spin_unlock(&acm->write_lock);
 	spin_unlock_irq(&acm->read_lock);
@@ -1460,8 +1482,7 @@
 	if (cnt)
 		return 0;
 
-	if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags))
-		stop_data_traffic(acm);
+	stop_data_traffic(acm);
 
 	return 0;
 }
@@ -1469,29 +1490,24 @@
 static int acm_resume(struct usb_interface *intf)
 {
 	struct acm *acm = usb_get_intfdata(intf);
-	struct acm_wb *wb;
+	struct urb *urb;
 	int rv = 0;
-	int cnt;
 
 	spin_lock_irq(&acm->read_lock);
-	acm->susp_count -= 1;
-	cnt = acm->susp_count;
-	spin_unlock_irq(&acm->read_lock);
+	spin_lock(&acm->write_lock);
 
-	if (cnt)
-		return 0;
+	if (--acm->susp_count)
+		goto out;
 
 	if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) {
-		rv = usb_submit_urb(acm->ctrlurb, GFP_NOIO);
+		rv = usb_submit_urb(acm->ctrlurb, GFP_ATOMIC);
 
-		spin_lock_irq(&acm->write_lock);
-		if (acm->delayed_wb) {
-			wb = acm->delayed_wb;
-			acm->delayed_wb = NULL;
-			spin_unlock_irq(&acm->write_lock);
-			acm_start_wb(acm, wb);
-		} else {
-			spin_unlock_irq(&acm->write_lock);
+		for (;;) {
+			urb = usb_get_from_anchor(&acm->delayed);
+			if (!urb)
+				break;
+
+			acm_start_wb(acm, urb->context);
 		}
 
 		/*
@@ -1499,12 +1515,14 @@
 		 * do the write path at all cost
 		 */
 		if (rv < 0)
-			goto err_out;
+			goto out;
 
-		rv = acm_submit_read_urbs(acm, GFP_NOIO);
+		rv = acm_submit_read_urbs(acm, GFP_ATOMIC);
 	}
+out:
+	spin_unlock(&acm->write_lock);
+	spin_unlock_irq(&acm->read_lock);
 
-err_out:
 	return rv;
 }
 
@@ -1587,13 +1605,27 @@
 	},
 	/* Motorola H24 HSPA module: */
 	{ USB_DEVICE(0x22b8, 0x2d91) }, /* modem                                */
-	{ USB_DEVICE(0x22b8, 0x2d92) }, /* modem           + diagnostics        */
-	{ USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port                      */
-	{ USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics        */
-	{ USB_DEVICE(0x22b8, 0x2d96) }, /* modem                         + NMEA */
-	{ USB_DEVICE(0x22b8, 0x2d97) }, /* modem           + diagnostics + NMEA */
-	{ USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port               + NMEA */
-	{ USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d92),   /* modem           + diagnostics        */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
+	{ USB_DEVICE(0x22b8, 0x2d93),   /* modem + AT port                      */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
+	{ USB_DEVICE(0x22b8, 0x2d95),   /* modem + AT port + diagnostics        */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
+	{ USB_DEVICE(0x22b8, 0x2d96),   /* modem                         + NMEA */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
+	{ USB_DEVICE(0x22b8, 0x2d97),   /* modem           + diagnostics + NMEA */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
+	{ USB_DEVICE(0x22b8, 0x2d99),   /* modem + AT port               + NMEA */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
+	{ USB_DEVICE(0x22b8, 0x2d9a),   /* modem + AT port + diagnostics + NMEA */
+	.driver_info = NO_UNION_NORMAL, /* handle only modem interface          */
+	},
 
 	{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
 	.driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 35ef887..9614780 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -117,7 +117,7 @@
 	unsigned int throttled:1;			/* actually throttled */
 	unsigned int throttle_req:1;			/* throttle requested */
 	u8 bInterval;
-	struct acm_wb *delayed_wb;			/* write queued for a device about to be woken */
+	struct usb_anchor delayed;			/* writes queued for a device about to be woken */
 };
 
 #define CDC_DATA_INTERFACE_TYPE	0x0a
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 60f10ef..04b4177 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -530,22 +530,10 @@
 }
 
 /* returns 0 if no match, 1 if match */
-int usb_match_one_id(struct usb_interface *interface,
-		     const struct usb_device_id *id)
+int usb_match_one_id_intf(struct usb_device *dev,
+			  struct usb_host_interface *intf,
+			  const struct usb_device_id *id)
 {
-	struct usb_host_interface *intf;
-	struct usb_device *dev;
-
-	/* proc_connectinfo in devio.c may call us with id == NULL. */
-	if (id == NULL)
-		return 0;
-
-	intf = interface->cur_altsetting;
-	dev = interface_to_usbdev(interface);
-
-	if (!usb_match_device(dev, id))
-		return 0;
-
 	/* The interface class, subclass, protocol and number should never be
 	 * checked for a match if the device class is Vendor Specific,
 	 * unless the match record specifies the Vendor ID. */
@@ -575,6 +563,26 @@
 
 	return 1;
 }
+
+/* returns 0 if no match, 1 if match */
+int usb_match_one_id(struct usb_interface *interface,
+		     const struct usb_device_id *id)
+{
+	struct usb_host_interface *intf;
+	struct usb_device *dev;
+
+	/* proc_connectinfo in devio.c may call us with id == NULL. */
+	if (id == NULL)
+		return 0;
+
+	intf = interface->cur_altsetting;
+	dev = interface_to_usbdev(interface);
+
+	if (!usb_match_device(dev, id))
+		return 0;
+
+	return usb_match_one_id_intf(dev, intf, id);
+}
 EXPORT_SYMBOL_GPL(usb_match_one_id);
 
 /**
@@ -911,8 +919,7 @@
  * it doesn't support pre_reset/post_reset/reset_resume or
  * because it doesn't support suspend/resume.
  *
- * The caller must hold @intf's device's lock, but not its pm_mutex
- * and not @intf->dev.sem.
+ * The caller must hold @intf's device's lock, but not @intf's lock.
  */
 void usb_forced_unbind_intf(struct usb_interface *intf)
 {
@@ -925,16 +932,37 @@
 	intf->needs_binding = 1;
 }
 
+/*
+ * Unbind drivers for @udev's marked interfaces.  These interfaces have
+ * the needs_binding flag set, for example by usb_resume_interface().
+ *
+ * The caller must hold @udev's device lock.
+ */
+static void unbind_marked_interfaces(struct usb_device *udev)
+{
+	struct usb_host_config	*config;
+	int			i;
+	struct usb_interface	*intf;
+
+	config = udev->actconfig;
+	if (config) {
+		for (i = 0; i < config->desc.bNumInterfaces; ++i) {
+			intf = config->interface[i];
+			if (intf->dev.driver && intf->needs_binding)
+				usb_forced_unbind_intf(intf);
+		}
+	}
+}
+
 /* Delayed forced unbinding of a USB interface driver and scan
  * for rebinding.
  *
- * The caller must hold @intf's device's lock, but not its pm_mutex
- * and not @intf->dev.sem.
+ * The caller must hold @intf's device's lock, but not @intf's lock.
  *
  * Note: Rebinds will be skipped if a system sleep transition is in
  * progress and the PM "complete" callback hasn't occurred yet.
  */
-void usb_rebind_intf(struct usb_interface *intf)
+static void usb_rebind_intf(struct usb_interface *intf)
 {
 	int rc;
 
@@ -951,6 +979,41 @@
 	}
 }
 
+/*
+ * Rebind drivers to @udev's marked interfaces.  These interfaces have
+ * the needs_binding flag set.
+ *
+ * The caller must hold @udev's device lock.
+ */
+static void rebind_marked_interfaces(struct usb_device *udev)
+{
+	struct usb_host_config	*config;
+	int			i;
+	struct usb_interface	*intf;
+
+	config = udev->actconfig;
+	if (config) {
+		for (i = 0; i < config->desc.bNumInterfaces; ++i) {
+			intf = config->interface[i];
+			if (intf->needs_binding)
+				usb_rebind_intf(intf);
+		}
+	}
+}
+
+/*
+ * Unbind all of @udev's marked interfaces and then rebind all of them.
+ * This ordering is necessary because some drivers claim several interfaces
+ * when they are first probed.
+ *
+ * The caller must hold @udev's device lock.
+ */
+void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev)
+{
+	unbind_marked_interfaces(udev);
+	rebind_marked_interfaces(udev);
+}
+
 #ifdef CONFIG_PM
 
 /* Unbind drivers for @udev's interfaces that don't support suspend/resume
@@ -980,43 +1043,6 @@
 	}
 }
 
-/* Unbind drivers for @udev's interfaces that failed to support reset-resume.
- * These interfaces have the needs_binding flag set by usb_resume_interface().
- *
- * The caller must hold @udev's device lock.
- */
-static void unbind_no_reset_resume_drivers_interfaces(struct usb_device *udev)
-{
-	struct usb_host_config	*config;
-	int			i;
-	struct usb_interface	*intf;
-
-	config = udev->actconfig;
-	if (config) {
-		for (i = 0; i < config->desc.bNumInterfaces; ++i) {
-			intf = config->interface[i];
-			if (intf->dev.driver && intf->needs_binding)
-				usb_forced_unbind_intf(intf);
-		}
-	}
-}
-
-static void do_rebind_interfaces(struct usb_device *udev)
-{
-	struct usb_host_config	*config;
-	int			i;
-	struct usb_interface	*intf;
-
-	config = udev->actconfig;
-	if (config) {
-		for (i = 0; i < config->desc.bNumInterfaces; ++i) {
-			intf = config->interface[i];
-			if (intf->needs_binding)
-				usb_rebind_intf(intf);
-		}
-	}
-}
-
 static int usb_suspend_device(struct usb_device *udev, pm_message_t msg)
 {
 	struct usb_device_driver	*udriver;
@@ -1426,7 +1452,7 @@
 	 * whose needs_binding flag is set
 	 */
 	if (udev->state != USB_STATE_NOTATTACHED)
-		do_rebind_interfaces(udev);
+		rebind_marked_interfaces(udev);
 	return 0;
 }
 
@@ -1457,7 +1483,7 @@
 		pm_runtime_disable(dev);
 		pm_runtime_set_active(dev);
 		pm_runtime_enable(dev);
-		unbind_no_reset_resume_drivers_interfaces(udev);
+		unbind_marked_interfaces(udev);
 	}
 
 	/* Avoid PM error messages for devices disconnected while suspended
@@ -1792,10 +1818,13 @@
 	if (status == -EAGAIN || status == -EBUSY)
 		usb_mark_last_busy(udev);
 
-	/* The PM core reacts badly unless the return code is 0,
-	 * -EAGAIN, or -EBUSY, so always return -EBUSY on an error.
+	/*
+	 * The PM core reacts badly unless the return code is 0,
+	 * -EAGAIN, or -EBUSY, so always return -EBUSY on an error
+	 * (except for root hubs, because they don't suspend through
+	 * an upstream port like other USB devices).
 	 */
-	if (status != 0)
+	if (status != 0 && udev->parent)
 		return -EBUSY;
 	return status;
 }
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 2b487d4..50ebe6c 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -71,7 +71,7 @@
 			continue;
 
 		companion_hcd = pci_get_drvdata(companion);
-		if (!companion_hcd)
+		if (!companion_hcd || !companion_hcd->self.root_hub)
 			continue;
 
 		/* For SET_HS_COMPANION, store a pointer to the EHCI bus in
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 6b3bcf0..8583475 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -953,6 +953,11 @@
 			clear_port_feature(hub->hdev, port1,
 					USB_PORT_FEAT_C_ENABLE);
 		}
+		if (portchange & USB_PORT_STAT_C_RESET) {
+			need_debounce_delay = true;
+			clear_port_feature(hub->hdev, port1,
+					USB_PORT_FEAT_C_RESET);
+		}
 		if ((portchange & USB_PORT_STAT_C_BH_RESET) &&
 				hub_is_superspeed(hub->hdev)) {
 			need_debounce_delay = true;
@@ -1434,8 +1439,19 @@
 	desc = intf->cur_altsetting;
 	hdev = interface_to_usbdev(intf);
 
-	/* Hubs have proper suspend/resume support. */
-	usb_enable_autosuspend(hdev);
+	/*
+	 * Hubs have proper suspend/resume support, except for root hubs
+	 * where the controller driver doesn't have bus_suspend and
+	 * bus_resume methods.
+	 */
+	if (hdev->parent) {		/* normal device */
+		usb_enable_autosuspend(hdev);
+	} else {			/* root hub */
+		const struct hc_driver *drv = bus_to_hcd(hdev->bus)->driver;
+
+		if (drv->bus_suspend && drv->bus_resume)
+			usb_enable_autosuspend(hdev);
+	}
 
 	if (hdev->level == MAX_TOPO_LEVEL) {
 		dev_err(&intf->dev,
@@ -2003,7 +2019,7 @@
 		if (err < 0) {
 			dev_err(&udev->dev, "can't read configurations, error %d\n",
 				err);
-			goto fail;
+			return err;
 		}
 	}
 
@@ -2014,8 +2030,12 @@
 	udev->serial = usb_cache_string(udev, udev->descriptor.iSerialNumber);
 
 	err = usb_enumerate_device_otg(udev);
-fail:
-	return err;
+	if (err < 0)
+		return err;
+
+	usb_detect_interface_quirks(udev);
+
+	return 0;
 }
 
 static void set_usb_port_removable(struct usb_device *udev)
@@ -3862,9 +3882,10 @@
 
 		hub = list_entry(tmp, struct usb_hub, event_list);
 		kref_get(&hub->kref);
+		hdev = hub->hdev;
+		usb_get_dev(hdev);
 		spin_unlock_irq(&hub_event_lock);
 
-		hdev = hub->hdev;
 		hub_dev = hub->intfdev;
 		intf = to_usb_interface(hub_dev);
 		dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x\n",
@@ -4352,6 +4373,7 @@
 		usb_autopm_put_interface(intf);
  loop_disconnected:
 		usb_unlock_device(hdev);
+		usb_put_dev(hdev);
 		kref_put(&hub->kref, hub_release);
 
         } /* end while (1) */
@@ -4561,6 +4583,12 @@
 	}
 	parent_hub = hdev_to_hub(parent_hdev);
 
+	/* Disable USB2 hardware LPM.
+	 * It will be re-enabled by the enumeration process.
+	 */
+	if (udev->usb2_hw_lpm_enabled == 1)
+		usb_set_usb2_hardware_lpm(udev, 0);
+
 	set_bit(port1, parent_hub->busy_bits);
 	for (i = 0; i < SET_CONFIG_TRIES; ++i) {
 
@@ -4724,10 +4752,11 @@
 				else if (cintf->condition ==
 						USB_INTERFACE_BOUND)
 					rebind = 1;
+				if (rebind)
+					cintf->needs_binding = 1;
 			}
-			if (ret == 0 && rebind)
-				usb_rebind_intf(cintf);
 		}
+		usb_unbind_and_rebind_marked_interfaces(udev);
 	}
 
 	usb_autosuspend_device(udev);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 1ae34d0..7de2121 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -15,17 +15,22 @@
 #include <linux/usb/quirks.h>
 #include "usb.h"
 
-/* List of quirky USB devices.  Please keep this list ordered by:
+/* Lists of quirky USB devices, split in device quirks and interface quirks.
+ * Device quirks are applied at the very beginning of the enumeration process,
+ * right after reading the device descriptor. They can thus only match on device
+ * information.
+ *
+ * Interface quirks are applied after reading all the configuration descriptors.
+ * They can match on both device and interface information.
+ *
+ * Note that the DELAY_INIT and HONOR_BNUMINTERFACES quirks do not make sense as
+ * interface quirks, as they only influence the enumeration process which is run
+ * before processing the interface quirks.
+ *
+ * Please keep the lists ordered by:
  * 	1) Vendor ID
  * 	2) Product ID
  * 	3) Class ID
- *
- * as we want specific devices to be overridden first, and only after that, any
- * class specific quirks.
- *
- * Right now the logic aborts if it finds a valid device in the table, we might
- * want to change that in the future if it turns out that a whole class of
- * devices is broken...
  */
 static const struct usb_device_id usb_quirk_list[] = {
 	/* CBM - Flash disk */
@@ -38,53 +43,26 @@
 	/* Creative SB Audigy 2 NX */
 	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam C200 */
-	{ USB_DEVICE(0x046d, 0x0802), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Microsoft LifeCam-VX700 v2.0 */
+	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam C250 */
-	{ USB_DEVICE(0x046d, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Logitech Quickcam Fusion */
+	{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam C300 */
-	{ USB_DEVICE(0x046d, 0x0805), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Logitech Quickcam Orbit MP */
+	{ USB_DEVICE(0x046d, 0x08c2), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam B/C500 */
-	{ USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Logitech Quickcam Pro for Notebook */
+	{ USB_DEVICE(0x046d, 0x08c3), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam C600 */
-	{ USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Logitech Quickcam Pro 5000 */
+	{ USB_DEVICE(0x046d, 0x08c5), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam Pro 9000 */
-	{ USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Logitech Quickcam OEM Dell Notebook */
+	{ USB_DEVICE(0x046d, 0x08c6), .driver_info = USB_QUIRK_RESET_RESUME },
 
-	/* Logitech Webcam C905 */
-	{ USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Webcam C210 */
-	{ USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Webcam C260 */
-	{ USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Webcam C310 */
-	{ USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Webcam C910 */
-	{ USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Webcam C160 */
-	{ USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Webcam C270 */
-	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Quickcam Pro 9000 */
-	{ USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Quickcam E3500 */
-	{ USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME },
-
-	/* Logitech Quickcam Vision Pro */
-	{ USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME },
+	/* Logitech Quickcam OEM Cisco VT Camera II */
+	{ USB_DEVICE(0x046d, 0x08c7), .driver_info = USB_QUIRK_RESET_RESUME },
 
 	/* Logitech Harmony 700-series */
 	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
@@ -178,16 +156,57 @@
 	{ }  /* terminating entry must be last */
 };
 
-static const struct usb_device_id *find_id(struct usb_device *udev)
-{
-	const struct usb_device_id *id = usb_quirk_list;
+static const struct usb_device_id usb_interface_quirk_list[] = {
+	/* Logitech UVC Cameras */
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
+	  .driver_info = USB_QUIRK_RESET_RESUME },
 
-	for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
-			id->driver_info; id++) {
-		if (usb_match_device(udev, id))
-			return id;
+	{ }  /* terminating entry must be last */
+};
+
+static bool usb_match_any_interface(struct usb_device *udev,
+				    const struct usb_device_id *id)
+{
+	unsigned int i;
+
+	for (i = 0; i < udev->descriptor.bNumConfigurations; ++i) {
+		struct usb_host_config *cfg = &udev->config[i];
+		unsigned int j;
+
+		for (j = 0; j < cfg->desc.bNumInterfaces; ++j) {
+			struct usb_interface_cache *cache;
+			struct usb_host_interface *intf;
+
+			cache = cfg->intf_cache[j];
+			if (cache->num_altsetting == 0)
+				continue;
+
+			intf = &cache->altsetting[0];
+			if (usb_match_one_id_intf(udev, intf, id))
+				return true;
+		}
 	}
-	return NULL;
+
+	return false;
+}
+
+static u32 __usb_detect_quirks(struct usb_device *udev,
+			       const struct usb_device_id *id)
+{
+	u32 quirks = 0;
+
+	for (; id->match_flags; id++) {
+		if (!usb_match_device(udev, id))
+			continue;
+
+		if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) &&
+		    !usb_match_any_interface(udev, id))
+			continue;
+
+		quirks |= (u32)(id->driver_info);
+	}
+
+	return quirks;
 }
 
 /*
@@ -195,14 +214,10 @@
  */
 void usb_detect_quirks(struct usb_device *udev)
 {
-	const struct usb_device_id *id = usb_quirk_list;
-
-	id = find_id(udev);
-	if (id)
-		udev->quirks = (u32)(id->driver_info);
+	udev->quirks = __usb_detect_quirks(udev, usb_quirk_list);
 	if (udev->quirks)
 		dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
-				udev->quirks);
+			udev->quirks);
 
 	/* For the present, all devices default to USB-PERSIST enabled */
 #if 0		/* was: #ifdef CONFIG_PM */
@@ -219,3 +234,16 @@
 		udev->persist_enabled = 1;
 #endif	/* CONFIG_PM */
 }
+
+void usb_detect_interface_quirks(struct usb_device *udev)
+{
+	u32 quirks;
+
+	quirks = __usb_detect_quirks(udev, usb_interface_quirk_list);
+	if (quirks == 0)
+		return;
+
+	dev_dbg(&udev->dev, "USB interface quirks for this device: %x\n",
+		quirks);
+	udev->quirks |= quirks;
+}
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 4f40547..e76abce 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -24,6 +24,7 @@
 extern int usb_deauthorize_device(struct usb_device *);
 extern int usb_authorize_device(struct usb_device *);
 extern void usb_detect_quirks(struct usb_device *udev);
+extern void usb_detect_interface_quirks(struct usb_device *udev);
 extern int usb_remove_device(struct usb_device *udev);
 
 extern int usb_get_device_descriptor(struct usb_device *dev,
@@ -35,10 +36,13 @@
 extern int usb_choose_configuration(struct usb_device *udev);
 
 extern void usb_kick_khubd(struct usb_device *dev);
+extern int usb_match_one_id_intf(struct usb_device *dev,
+				 struct usb_host_interface *intf,
+				 const struct usb_device_id *id);
 extern int usb_match_device(struct usb_device *dev,
 			    const struct usb_device_id *id);
 extern void usb_forced_unbind_intf(struct usb_interface *intf);
-extern void usb_rebind_intf(struct usb_interface *intf);
+extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);
 
 extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
 		void *owner);
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 54ea85d..31ba206 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -619,8 +619,6 @@
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	pm_runtime_disable(&pdev->dev);
-
 	dwc3_debugfs_exit(dwc);
 
 	switch (dwc->mode) {
@@ -642,6 +640,9 @@
 
 	dwc3_core_exit(dwc);
 
+	pm_runtime_put(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+
 	return 0;
 }
 
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 2540af0..a63caba 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -779,15 +779,15 @@
  *	12	- VndrDevTstRcved
  * @reserved15_12: Reserved, not used
  * @event_info: Information about this event
- * @reserved31_24: Reserved, not used
+ * @reserved31_25: Reserved, not used
  */
 struct dwc3_event_devt {
 	u32	one_bit:1;
 	u32	device_event:7;
 	u32	type:4;
 	u32	reserved15_12:4;
-	u32	event_info:8;
-	u32	reserved31_24:8;
+	u32	event_info:9;
+	u32	reserved31_25:7;
 } __packed;
 
 /**
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index a9ca9ad..4f31fcb 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -47,6 +47,8 @@
 /* FIXME define these in <linux/pci_ids.h> */
 #define PCI_VENDOR_ID_SYNOPSYS		0x16c3
 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3	0xabcd
+#define PCI_DEVICE_ID_INTEL_BYT		0x0f37
+#define PCI_DEVICE_ID_INTEL_MRFLD	0x119e
 
 struct dwc3_pci {
 	struct device		*dev;
@@ -155,6 +157,8 @@
 		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
 				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
 	},
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
 	{  }	/* Terminating Entry */
 };
 MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 0a3884d..eefbfda 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -532,6 +532,10 @@
 
 	dwc3_remove_requests(dwc, dep);
 
+	/* make sure HW endpoint isn't stalled */
+	if (dep->flags & DWC3_EP_STALL)
+		__dwc3_gadget_ep_set_halt(dep, 0);
+
 	reg = dwc3_readl(dwc->regs, DWC3_DALEPENA);
 	reg &= ~DWC3_DALEPENA_EP(dep->number);
 	dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);
@@ -1537,10 +1541,19 @@
 
 	for (epnum = 0; epnum < DWC3_ENDPOINTS_NUM; epnum++) {
 		dep = dwc->eps[epnum];
-		dwc3_free_trb_pool(dep);
-
-		if (epnum != 0 && epnum != 1)
+		/*
+		 * Physical endpoints 0 and 1 are special; they form the
+		 * bi-directional USB endpoint 0.
+		 *
+		 * For those two physical endpoints, we don't allocate a TRB
+		 * pool nor do we add them the endpoints list. Due to that, we
+		 * shouldn't do these two operations otherwise we would end up
+		 * with all sorts of bugs when removing dwc3.ko.
+		 */
+		if (epnum != 0 && epnum != 1) {
+			dwc3_free_trb_pool(dep);
 			list_del(&dep->endpoint.ep_list);
+		}
 
 		kfree(dep);
 	}
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index be6952e..bf5671c 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1741,16 +1741,6 @@
 		return -ENODEV;
 	}
 
-	if (pdev->num_resources != 2) {
-		DBG("invalid num_resources\n");
-		return -ENODEV;
-	}
-	if ((pdev->resource[0].flags != IORESOURCE_MEM)
-			|| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
-		DBG("invalid resource type\n");
-		return -ENODEV;
-	}
-
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		return -ENXIO;
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f52cb1a..32d1eff 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1361,11 +1361,13 @@
 	ffs->ep0req->context = ffs;
 
 	lang = ffs->stringtabs;
-	for (lang = ffs->stringtabs; *lang; ++lang) {
-		struct usb_string *str = (*lang)->strings;
-		int id = first_id;
-		for (; str->s; ++id, ++str)
-			str->id = id;
+	if (lang) {
+		for (; *lang; ++lang) {
+			struct usb_string *str = (*lang)->strings;
+			int id = first_id;
+			for (; str->s; ++id, ++str)
+				str->id = id;
+		}
 	}
 
 	ffs->gadget = cdev->gadget;
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index e58b164..d9eaaa3 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1499,7 +1499,7 @@
 		}
 		break;
 
-#ifndef	CONFIG_USB_GADGET_PXA25X
+#ifndef	CONFIG_USB_PXA25X
 	/* PXA automagically handles this request too */
 	case USB_REQ_GET_CONFIGURATION:
 		if (ctrl->bRequestType != 0x80)
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 0909783..3302c27 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -549,7 +549,7 @@
 	.remove =	usb_hcd_pci_remove,
 	.shutdown = 	usb_hcd_pci_shutdown,
 
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
 	.driver =	{
 		.pm =	&usb_hcd_pci_pm_ops
 	},
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index db49c07..f5396d3 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -264,18 +264,14 @@
 __releases(ehci->lock)
 __acquires(ehci->lock)
 {
-	if (likely (urb->hcpriv != NULL)) {
-		struct ehci_qh	*qh = (struct ehci_qh *) urb->hcpriv;
-
-		/* S-mask in a QH means it's an interrupt urb */
-		if ((qh->hw->hw_info2 & cpu_to_hc32(ehci, QH_SMASK)) != 0) {
-
-			/* ... update hc-wide periodic stats (for usbfs) */
-			ehci_to_hcd(ehci)->self.bandwidth_int_reqs--;
-		}
-		qh_put (qh);
+	if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) {
+		/* ... update hc-wide periodic stats */
+		ehci_to_hcd(ehci)->self.bandwidth_int_reqs--;
 	}
 
+	if (usb_pipetype(urb->pipe) != PIPE_ISOCHRONOUS)
+		qh_put((struct ehci_qh *) urb->hcpriv);
+
 	if (unlikely(urb->unlinked)) {
 		COUNT(ehci->stats.unlink);
 	} else {
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index a60679c..34655d0 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1684,7 +1684,7 @@
 
 	/* don't need that schedule data any more */
 	iso_sched_free (stream, iso_sched);
-	urb->hcpriv = NULL;
+	urb->hcpriv = stream;
 
 	timer_action (ehci, TIMER_IO_WATCHDOG);
 	return enable_periodic(ehci);
@@ -2094,7 +2094,7 @@
 
 	/* don't need that schedule data any more */
 	iso_sched_free (stream, sched);
-	urb->hcpriv = NULL;
+	urb->hcpriv = stream;
 
 	timer_action (ehci, TIMER_IO_WATCHDOG);
 	return enable_periodic(ehci);
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 1843bb6..6847b93 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -414,7 +414,7 @@
 	.remove =	usb_hcd_pci_remove,
 	.shutdown =	usb_hcd_pci_shutdown,
 
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
 	.driver =	{
 		.pm =	&usb_hcd_pci_pm_ops
 	},
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 7893351..90dcf54 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -555,6 +555,14 @@
 			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
 		},
 	},
+	{
+		/* HASEE E200 */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "HASEE"),
+			DMI_MATCH(DMI_BOARD_NAME, "E210"),
+			DMI_MATCH(DMI_BIOS_VERSION, "6.00"),
+		},
+	},
 	{ }
 };
 
@@ -564,9 +572,14 @@
 {
 	int try_handoff = 1, tried_handoff = 0;
 
-	/* The Pegatron Lucid tablet sporadically waits for 98 seconds trying
-	 * the handoff on its unused controller.  Skip it. */
-	if (pdev->vendor == 0x8086 && pdev->device == 0x283a) {
+	/*
+	 * The Pegatron Lucid tablet sporadically waits for 98 seconds trying
+	 * the handoff on its unused controller.  Skip it.
+	 *
+	 * The HASEE E200 hangs when the semaphore is set (bugzilla #77021).
+	 */
+	if (pdev->vendor == 0x8086 && (pdev->device == 0x283a ||
+			pdev->device == 0x27cc)) {
 		if (dmi_check_system(ehci_dmi_nohandoff_table))
 			try_handoff = 0;
 	}
diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c
index c300bd2f7..0f228c4 100644
--- a/drivers/usb/host/uhci-pci.c
+++ b/drivers/usb/host/uhci-pci.c
@@ -293,7 +293,7 @@
 	.remove =	usb_hcd_pci_remove,
 	.shutdown =	uhci_shutdown,
 
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
 	.driver =	{
 		.pm =	&usb_hcd_pci_pm_ops
 	},
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 9f7b09c..5a8c5ce 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -473,7 +473,8 @@
 }
 
 /* Updates Link Status for super Speed port */
-static void xhci_hub_report_link_state(u32 *status, u32 status_reg)
+static void xhci_hub_report_link_state(struct xhci_hcd *xhci,
+		u32 *status, u32 status_reg)
 {
 	u32 pls = status_reg & PORT_PLS_MASK;
 
@@ -512,7 +513,8 @@
 		 * in which sometimes the port enters compliance mode
 		 * caused by a delay on the host-device negotiation.
 		 */
-		if (pls == USB_SS_PORT_LS_COMP_MOD)
+		if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+				(pls == USB_SS_PORT_LS_COMP_MOD))
 			pls |= USB_PORT_STAT_CONNECTION;
 	}
 
@@ -690,7 +692,7 @@
 		}
 		/* Update Port Link State for super speed ports*/
 		if (hcd->speed == HCD_USB3) {
-			xhci_hub_report_link_state(&status, temp);
+			xhci_hub_report_link_state(xhci, &status, temp);
 			/*
 			 * Verify if all USB3 Ports Have entered U0 already.
 			 * Delete Compliance Mode Timer if so.
@@ -1067,22 +1069,6 @@
 			if (xhci->quirks & XHCI_PORTSC_DELAY)
 				ndelay(100);
 		}
-
-		if (hcd->speed != HCD_USB3) {
-			/* enable remote wake up for USB 2.0 */
-			__le32 __iomem *addr;
-			u32 tmp;
-
-			/* Add one to the port status register address to get
-			 * the port power control register address.
-			 */
-			addr = port_array[port_index] + 1;
-			tmp = xhci_readl(xhci, addr);
-			tmp |= PORT_RWE;
-			xhci_writel(xhci, tmp, addr);
-			if (xhci->quirks & XHCI_PORTSC_DELAY)
-				ndelay(100);
-		}
 	}
 	hcd->state = HC_STATE_SUSPENDED;
 	bus_state->next_statechange = jiffies + msecs_to_jiffies(10);
@@ -1164,22 +1150,6 @@
 			if (xhci->quirks & XHCI_PORTSC_DELAY)
 				ndelay(100);
 		}
-
-		if (hcd->speed != HCD_USB3) {
-			/* disable remote wake up for USB 2.0 */
-			__le32 __iomem *addr;
-			u32 tmp;
-
-			/* Add one to the port status register address to get
-			 * the port power control register address.
-			 */
-			addr = port_array[port_index] + 1;
-			tmp = xhci_readl(xhci, addr);
-			tmp &= ~PORT_RWE;
-			xhci_writel(xhci, tmp, addr);
-			if (xhci->quirks & XHCI_PORTSC_DELAY)
-				ndelay(100);
-		}
 	}
 
 	(void) xhci_readl(xhci, &xhci->op_regs->command);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 3347e9b..aa38b1f 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1812,6 +1812,16 @@
 		kfree(cur_cd);
 	}
 
+	num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
+	for (i = 0; i < num_ports && xhci->rh_bw; i++) {
+		struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
+		for (j = 0; j < XHCI_MAX_INTERVAL; j++) {
+			struct list_head *ep = &bwt->interval_bw[j].endpoints;
+			while (!list_empty(ep))
+				list_del_init(ep->next);
+		}
+	}
+
 	for (i = 1; i < MAX_HC_SLOTS; ++i)
 		xhci_free_virt_device(xhci, i);
 
@@ -1852,16 +1862,6 @@
 	if (!xhci->rh_bw)
 		goto no_bw;
 
-	num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
-	for (i = 0; i < num_ports; i++) {
-		struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
-		for (j = 0; j < XHCI_MAX_INTERVAL; j++) {
-			struct list_head *ep = &bwt->interval_bw[j].endpoints;
-			while (!list_empty(ep))
-				list_del_init(ep->next);
-		}
-	}
-
 	for (i = 0; i < num_ports; i++) {
 		struct xhci_tt_bw_info *tt, *n;
 		list_for_each_entry_safe(tt, n, &xhci->rh_bw[i].tts, tt_list) {
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 8b1c27f..8882d65 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -34,6 +34,9 @@
 #define PCI_VENDOR_ID_ETRON		0x1b6f
 #define PCI_DEVICE_ID_ASROCK_P67	0x7023
 
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI	0x8c31
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI	0x9c31
+
 static const char hcd_name[] = "xhci_hcd";
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -67,6 +70,14 @@
 			xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure"
 					" endpoint cmd after reset endpoint\n");
 		}
+		if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
+				pdev->revision == 0x4) {
+			xhci->quirks |= XHCI_SLOW_SUSPEND;
+			xhci_dbg(xhci,
+				"QUIRK: Fresco Logic xHC revision %u"
+				"must be suspended extra slowly",
+				pdev->revision);
+		}
 		/* Fresco Logic confirms: all revisions of this chip do not
 		 * support MSI, even though some of them claim to in their PCI
 		 * capabilities.
@@ -87,6 +98,10 @@
 	/* AMD PLL quirk */
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
 		xhci->quirks |= XHCI_AMD_PLL_FIX;
+
+	if (pdev->vendor == PCI_VENDOR_ID_AMD)
+		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
 			pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) {
 		xhci->quirks |= XHCI_EP_LIMIT_QUIRK;
@@ -103,12 +118,29 @@
 		xhci->quirks |= XHCI_SPURIOUS_REBOOT;
 		xhci->quirks |= XHCI_AVOID_BEI;
 	}
+	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+	    (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI)) {
+		/* Workaround for occasional spurious wakeups from S5 (or
+		 * any other sleep) on Haswell machines with LPT and LPT-LP
+		 * with the new Intel BIOS
+		 */
+		/* Limit the quirk to only known vendors, as this triggers
+		 * yet another BIOS bug on some other machines
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=66171
+		 */
+		if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
+			xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
+	}
 	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
 			pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
 		xhci_dbg(xhci, "QUIRK: Resetting on resume\n");
 		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
 	}
+	if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
+			pdev->device == 0x0015)
+		xhci->quirks |= XHCI_RESET_ON_RESUME;
 	if (pdev->vendor == PCI_VENDOR_ID_VIA)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
 }
@@ -202,6 +234,11 @@
 		usb_put_hcd(xhci->shared_hcd);
 	}
 	usb_hcd_pci_remove(dev);
+
+	/* Workaround for spurious wakeups at shutdown with HSW */
+	if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+		pci_set_power_state(dev, PCI_D3hot);
+
 	kfree(xhci);
 }
 
@@ -330,7 +367,7 @@
 	/* suspend and resume implemented later */
 
 	.shutdown = 	usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
 	.driver = {
 		.pm = &usb_hcd_pci_pm_ops
 	},
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 87ee28e..95e8648 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2528,7 +2528,8 @@
 		 * last TRB of the previous TD. The command completion handle
 		 * will take care the rest.
 		 */
-		if (!event_seg && trb_comp_code == COMP_STOP_INVAL) {
+		if (!event_seg && (trb_comp_code == COMP_STOP ||
+				   trb_comp_code == COMP_STOP_INVAL)) {
 			ret = 0;
 			goto cleanup;
 		}
@@ -3588,7 +3589,7 @@
 		return 0;
 
 	max_burst = urb->ep->ss_ep_comp.bMaxBurst;
-	return roundup(total_packet_count, max_burst + 1) - 1;
+	return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
 }
 
 /*
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b656b47..e23b518 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -384,16 +384,20 @@
 
 #else
 
-static int xhci_try_enable_msi(struct usb_hcd *hcd)
+static inline int xhci_try_enable_msi(struct usb_hcd *hcd)
 {
 	return 0;
 }
 
-static void xhci_cleanup_msix(struct xhci_hcd *xhci)
+static inline void xhci_cleanup_msix(struct xhci_hcd *xhci)
 {
 }
 
-#endif /* CONFIG_PCI */
+static inline void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
+{
+}
+
+#endif
 
 static void compliance_mode_recovery(unsigned long arg)
 {
@@ -772,12 +776,19 @@
 
 	spin_lock_irq(&xhci->lock);
 	xhci_halt(xhci);
+	/* Workaround for spurious wakeups at shutdown with HSW */
+	if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+		xhci_reset(xhci);
 	spin_unlock_irq(&xhci->lock);
 
 	xhci_cleanup_msix(xhci);
 
 	xhci_dbg(xhci, "xhci_shutdown completed - status = %x\n",
 		    xhci_readl(xhci, &xhci->op_regs->status));
+
+	/* Yet another workaround for spurious wakeups at shutdown with HSW */
+	if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+		pci_set_power_state(to_pci_dev(hcd->self.controller), PCI_D3hot);
 }
 
 #ifdef CONFIG_PM
@@ -896,6 +907,7 @@
 int xhci_suspend(struct xhci_hcd *xhci)
 {
 	int			rc = 0;
+	unsigned int		delay = XHCI_MAX_HALT_USEC;
 	struct usb_hcd		*hcd = xhci_to_hcd(xhci);
 	u32			command;
 
@@ -914,8 +926,12 @@
 	command = xhci_readl(xhci, &xhci->op_regs->command);
 	command &= ~CMD_RUN;
 	xhci_writel(xhci, command, &xhci->op_regs->command);
+
+	/* Some chips from Fresco Logic need an extraordinary delay */
+	delay *= (xhci->quirks & XHCI_SLOW_SUSPEND) ? 10 : 1;
+
 	if (handshake(xhci, &xhci->op_regs->status,
-		      STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) {
+		      STS_HALT, STS_HALT, delay)) {
 		xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n");
 		spin_unlock_irq(&xhci->lock);
 		return -ETIMEDOUT;
@@ -961,7 +977,7 @@
  */
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 {
-	u32			command, temp = 0;
+	u32			command, temp = 0, status;
 	struct usb_hcd		*hcd = xhci_to_hcd(xhci);
 	struct usb_hcd		*secondary_hcd;
 	int			retval = 0;
@@ -1085,8 +1101,12 @@
 
  done:
 	if (retval == 0) {
-		usb_hcd_resume_root_hub(hcd);
-		usb_hcd_resume_root_hub(xhci->shared_hcd);
+		/* Resume root hubs only when have pending events. */
+		status = readl(&xhci->op_regs->status);
+		if (status & STS_EINT) {
+			usb_hcd_resume_root_hub(hcd);
+			usb_hcd_resume_root_hub(xhci->shared_hcd);
+		}
 	}
 
 	/*
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 8d47b2f..350bcd2 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1524,6 +1524,8 @@
 #define XHCI_COMP_MODE_QUIRK	(1 << 14)
 #define XHCI_AVOID_BEI		(1 << 15)
 #define XHCI_PLAT		(1 << 16)
+#define XHCI_SLOW_SUSPEND	(1 << 17)
+#define XHCI_SPURIOUS_WAKEUP	(1 << 18)
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
 	/* There are two roothubs to keep track of bus suspend info for */
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 284b854..14d9142 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -829,7 +829,7 @@
 
 	/* let the user know what node this device is now attached to */
 	dev_info(&interface->dev, "ADU%d %s now attached to /dev/usb/adutux%d\n",
-		 udev->descriptor.idProduct, dev->serial_number,
+		 le16_to_cpu(udev->descriptor.idProduct), dev->serial_number,
 		 (dev->minor - ADU_MINOR_BASE));
 exit:
 	dbg(2," %s : leave, return value %p (dev)", __func__, dev);
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 7af163d..f1bfd01 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3248,6 +3248,7 @@
 	{ USB_DEVICE(0x0711, 0x0918) },
 	{ USB_DEVICE(0x0711, 0x0920) },
 	{ USB_DEVICE(0x0711, 0x0950) },
+	{ USB_DEVICE(0x0711, 0x5200) },
 	{ USB_DEVICE(0x182d, 0x021c) },
 	{ USB_DEVICE(0x182d, 0x0269) },
 	{ }
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 055b84a..174be05 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -7,9 +7,10 @@
 #include <linux/moduleparam.h>
 #include <linux/scatterlist.h>
 #include <linux/mutex.h>
-
+#include <linux/timer.h>
 #include <linux/usb.h>
 
+#define SIMPLE_IO_TIMEOUT	10000	/* in milliseconds */
 
 /*-------------------------------------------------------------------------*/
 
@@ -355,6 +356,7 @@
 	int			max = urb->transfer_buffer_length;
 	struct completion	completion;
 	int			retval = 0;
+	unsigned long		expire;
 
 	urb->context = &completion;
 	while (retval == 0 && iterations-- > 0) {
@@ -367,9 +369,15 @@
 		if (retval != 0)
 			break;
 
-		/* NOTE:  no timeouts; can't be broken out of by interrupt */
-		wait_for_completion(&completion);
-		retval = urb->status;
+		expire = msecs_to_jiffies(SIMPLE_IO_TIMEOUT);
+		if (!wait_for_completion_timeout(&completion, expire)) {
+			usb_kill_urb(urb);
+			retval = (urb->status == -ENOENT ?
+				  -ETIMEDOUT : urb->status);
+		} else {
+			retval = urb->status;
+		}
+
 		urb->dev = udev;
 		if (retval == 0 && usb_pipein(urb->pipe))
 			retval = simple_check_buf(tdev, urb);
@@ -462,6 +470,14 @@
 	return sg;
 }
 
+static void sg_timeout(unsigned long _req)
+{
+	struct usb_sg_request	*req = (struct usb_sg_request *) _req;
+
+	req->status = -ETIMEDOUT;
+	usb_sg_cancel(req);
+}
+
 static int perform_sglist(
 	struct usbtest_dev	*tdev,
 	unsigned		iterations,
@@ -473,6 +489,9 @@
 {
 	struct usb_device	*udev = testdev_to_usbdev(tdev);
 	int			retval = 0;
+	struct timer_list	sg_timer;
+
+	setup_timer_on_stack(&sg_timer, sg_timeout, (unsigned long) req);
 
 	while (retval == 0 && iterations-- > 0) {
 		retval = usb_sg_init(req, udev, pipe,
@@ -483,7 +502,10 @@
 
 		if (retval)
 			break;
+		mod_timer(&sg_timer, jiffies +
+				msecs_to_jiffies(SIMPLE_IO_TIMEOUT));
 		usb_sg_wait(req);
+		del_timer_sync(&sg_timer);
 		retval = req->status;
 
 		/* FIXME check resulting data pattern */
@@ -1135,6 +1157,11 @@
 	urb->context = &completion;
 	urb->complete = unlink1_callback;
 
+	if (usb_pipeout(urb->pipe)) {
+		simple_fill_buf(urb);
+		urb->transfer_flags |= URB_ZERO_PACKET;
+	}
+
 	/* keep the endpoint busy.  there are lots of hc/hcd-internal
 	 * states, and testing should get to all of them over time.
 	 *
@@ -1265,6 +1292,11 @@
 				unlink_queued_callback, &ctx);
 		ctx.urbs[i]->transfer_dma = buf_dma;
 		ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
+
+		if (usb_pipeout(ctx.urbs[i]->pipe)) {
+			simple_fill_buf(ctx.urbs[i]);
+			ctx.urbs[i]->transfer_flags |= URB_ZERO_PACKET;
+		}
 	}
 
 	/* Submit all the URBs and then unlink URBs num - 4 and num - 2. */
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 95918da..49e3728 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -401,7 +401,19 @@
 					csr |= (MUSB_TXCSR_DMAENAB
 							| MUSB_TXCSR_DMAMODE
 							| MUSB_TXCSR_MODE);
-					if (!musb_ep->hb_mult)
+					/*
+					 * Enable Autoset according to table
+					 * below
+					 * bulk_split hb_mult	Autoset_Enable
+					 *	0	0	Yes(Normal)
+					 *	0	>0	No(High BW ISO)
+					 *	1	0	Yes(HS bulk)
+					 *	1	>0	Yes(FS bulk)
+					 */
+					if (!musb_ep->hb_mult ||
+						(musb_ep->hb_mult &&
+						 can_bulk_split(musb,
+						    musb_ep->type)))
 						csr |= MUSB_TXCSR_AUTOSET;
 				}
 				csr &= ~MUSB_TXCSR_P_UNDERRUN;
@@ -1100,11 +1112,15 @@
 		/* Set TXMAXP with the FIFO size of the endpoint
 		 * to disable double buffering mode.
 		 */
-		if (musb->double_buffer_not_ok)
+		if (musb->double_buffer_not_ok) {
 			musb_writew(regs, MUSB_TXMAXP, hw_ep->max_packet_sz_tx);
-		else
+		} else {
+			if (can_bulk_split(musb, musb_ep->type))
+				musb_ep->hb_mult = (hw_ep->max_packet_sz_tx /
+							musb_ep->packet_sz) - 1;
 			musb_writew(regs, MUSB_TXMAXP, musb_ep->packet_sz
 					| (musb_ep->hb_mult << 11));
+		}
 
 		csr = MUSB_TXCSR_MODE | MUSB_TXCSR_CLRDATATOG;
 		if (musb_readw(regs, MUSB_TXCSR)
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 31bfe60..9282703 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -68,7 +68,6 @@
 }
 
 struct ark3116_private {
-	wait_queue_head_t       delta_msr_wait;
 	struct async_icount	icount;
 	int			irda;	/* 1 for irda device */
 
@@ -148,7 +147,6 @@
 	if (!priv)
 		return -ENOMEM;
 
-	init_waitqueue_head(&priv->delta_msr_wait);
 	mutex_init(&priv->hw_lock);
 	spin_lock_init(&priv->status_lock);
 
@@ -460,10 +458,14 @@
 	case TIOCMIWAIT:
 		for (;;) {
 			struct async_icount prev = priv->icount;
-			interruptible_sleep_on(&priv->delta_msr_wait);
+			interruptible_sleep_on(&port->delta_msr_wait);
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			if ((prev.rng == priv->icount.rng) &&
 			    (prev.dsr == priv->icount.dsr) &&
 			    (prev.dcd == priv->icount.dcd) &&
@@ -584,7 +586,7 @@
 			priv->icount.dcd++;
 		if (msr & UART_MSR_TERI)
 			priv->icount.rng++;
-		wake_up_interruptible(&priv->delta_msr_wait);
+		wake_up_interruptible(&port->delta_msr_wait);
 	}
 }
 
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index aaab32d..a45594a 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -82,7 +82,6 @@
 
 struct ch341_private {
 	spinlock_t lock; /* access lock */
-	wait_queue_head_t delta_msr_wait; /* wait queue for modem status */
 	unsigned baud_rate; /* set baud rate */
 	u8 line_control; /* set line control value RTS/DTR */
 	u8 line_status; /* active status of modem control inputs */
@@ -262,7 +261,6 @@
 		return -ENOMEM;
 
 	spin_lock_init(&priv->lock);
-	init_waitqueue_head(&priv->delta_msr_wait);
 	priv->baud_rate = DEFAULT_BAUD_RATE;
 	priv->line_control = CH341_BIT_RTS | CH341_BIT_DTR;
 
@@ -299,7 +297,7 @@
 		priv->line_control &= ~(CH341_BIT_RTS | CH341_BIT_DTR);
 	spin_unlock_irqrestore(&priv->lock, flags);
 	ch341_set_handshake(port->serial->dev, priv->line_control);
-	wake_up_interruptible(&priv->delta_msr_wait);
+	wake_up_interruptible(&port->delta_msr_wait);
 }
 
 static void ch341_close(struct usb_serial_port *port)
@@ -502,7 +500,7 @@
 			tty_kref_put(tty);
 		}
 
-		wake_up_interruptible(&priv->delta_msr_wait);
+		wake_up_interruptible(&port->delta_msr_wait);
 	}
 
 exit:
@@ -528,11 +526,14 @@
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	while (!multi_change) {
-		interruptible_sleep_on(&priv->delta_msr_wait);
+		interruptible_sleep_on(&port->delta_msr_wait);
 		/* see if a signal did it */
 		if (signal_pending(current))
 			return -ERESTARTSYS;
 
+		if (port->serial->disconnected)
+			return -EIO;
+
 		spin_lock_irqsave(&priv->lock, flags);
 		status = priv->line_status;
 		multi_change = priv->multi_status_change;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b53065b..ac33957 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -110,6 +110,7 @@
 	{ USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
 	{ USB_DEVICE(0x10C4, 0x822B) }, /* Modem EDGE(GSM) Comander 2 */
 	{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */
+	{ USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */
 	{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */
 	{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
@@ -158,6 +159,7 @@
 	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
 	{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
+	{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
 	{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
 	{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 270bda8..b1b8467 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -125,7 +125,6 @@
 	int baud_rate;			   /* stores current baud rate in
 					      integer form */
 	int isthrottled;		   /* if throttled, discard reads */
-	wait_queue_head_t delta_msr_wait;  /* used for TIOCMIWAIT */
 	char prev_status, diff_status;	   /* used for TIOCMIWAIT */
 	/* we pass a pointer to this as the argument sent to
 	   cypress_set_termios old_termios */
@@ -475,7 +474,6 @@
 		kfree(priv);
 		return -ENOMEM;
 	}
-	init_waitqueue_head(&priv->delta_msr_wait);
 
 	/* Skip reset for FRWD device. It is a workaound:
 	   device hangs if it receives SET_CONFIGURE in Configured
@@ -919,12 +917,16 @@
 	switch (cmd) {
 	/* This code comes from drivers/char/serial.c and ftdi_sio.c */
 	case TIOCMIWAIT:
-		while (priv != NULL) {
-			interruptible_sleep_on(&priv->delta_msr_wait);
+		for (;;) {
+			interruptible_sleep_on(&port->delta_msr_wait);
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
-			else {
+
+			if (port->serial->disconnected)
+				return -EIO;
+
+			{
 				char diff = priv->diff_status;
 				if (diff == 0)
 					return -EIO; /* no change => error */
@@ -1250,7 +1252,7 @@
 	if (priv->current_status != priv->prev_status) {
 		priv->diff_status |= priv->current_status ^
 			priv->prev_status;
-		wake_up_interruptible(&priv->delta_msr_wait);
+		wake_up_interruptible(&port->delta_msr_wait);
 		priv->prev_status = priv->current_status;
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 84bd459..8425e9e 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -74,9 +74,7 @@
 	int flags;		/* some ASYNC_xxxx flags are supported */
 	unsigned long last_dtr_rts;	/* saved modem control outputs */
 	struct async_icount	icount;
-	wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
 	char prev_status;        /* Used for TIOCMIWAIT */
-	bool dev_gone;        /* Used to abort TIOCMIWAIT */
 	char transmit_empty;	/* If transmitter is empty or not */
 	struct usb_serial_port *port;
 	__u16 interface;	/* FT2232C, FT2232H or FT4232H port interface
@@ -164,6 +162,7 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
@@ -593,6 +592,8 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	/*
 	 * ELV devices:
 	 */
@@ -731,7 +732,8 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
-	{ USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
+	{ USB_DEVICE(TESTO_VID, TESTO_1_PID) },
+	{ USB_DEVICE(TESTO_VID, TESTO_3_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
@@ -748,6 +750,7 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
 	{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
+	{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
 	{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
@@ -920,6 +923,45 @@
 	/* Crucible Devices */
 	{ USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) },
+	/* Cressi Devices */
+	{ USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) },
+	/* Brainboxes Devices */
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) },
+	{ USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) },
+	/* ekey Devices */
+	{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
+	/* GE Healthcare devices */
+	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -1558,14 +1600,17 @@
 	struct usb_device *udev = serial->dev;
 
 	struct usb_interface *interface = serial->interface;
-	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
+	struct usb_endpoint_descriptor *ep_desc;
 
 	unsigned num_endpoints;
-	int i;
+	unsigned i;
 
 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
 
+	if (!num_endpoints)
+		return;
+
 	/* NOTE: some customers have programmed FT232R/FT245R devices
 	 * with an endpoint size of 0 - not good.  In this case, we
 	 * want to override the endpoint descriptor setting and use a
@@ -1744,10 +1789,8 @@
 	kref_init(&priv->kref);
 	mutex_init(&priv->cfg_lock);
 	memset(&priv->icount, 0x00, sizeof(priv->icount));
-	init_waitqueue_head(&priv->delta_msr_wait);
 
 	priv->flags = ASYNC_LOW_LATENCY;
-	priv->dev_gone = false;
 
 	if (quirk && quirk->port_probe)
 		quirk->port_probe(priv);
@@ -1857,8 +1900,11 @@
 }
 
 /*
- * First and second port on STMCLiteadaptors is reserved for JTAG interface
- * and the forth port for pio
+ * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
+ * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
+ * can be accessed from userspace.
+ * The next two ports are enabled as UARTs by default, where port 2 is
+ * a conventional RS-232 UART.
  */
 static int ftdi_stmclite_probe(struct usb_serial *serial)
 {
@@ -1867,12 +1913,13 @@
 
 	dbg("%s", __func__);
 
-	if (interface == udev->actconfig->interface[2])
-		return 0;
+	if (interface == udev->actconfig->interface[0] ||
+	    interface == udev->actconfig->interface[1]) {
+		dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+		return -ENODEV;
+	}
 
-	dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
-
-	return -ENODEV;
+	return 0;
 }
 
 /*
@@ -1906,8 +1953,7 @@
 
 	dbg("%s", __func__);
 
-	priv->dev_gone = true;
-	wake_up_interruptible_all(&priv->delta_msr_wait);
+	wake_up_interruptible(&port->delta_msr_wait);
 
 	remove_sysfs_attrs(port);
 
@@ -2062,7 +2108,7 @@
 		if (diff_status & FTDI_RS0_RLSD)
 			priv->icount.dcd++;
 
-		wake_up_interruptible_all(&priv->delta_msr_wait);
+		wake_up_interruptible(&port->delta_msr_wait);
 		priv->prev_status = status;
 	}
 
@@ -2200,6 +2246,20 @@
 		termios->c_cflag |= CRTSCTS;
 	}
 
+	/*
+	 * All FTDI UART chips are limited to CS7/8. We won't pretend to
+	 * support CS5/6 and revert the CSIZE setting instead.
+	 */
+	if ((C_CSIZE(tty) != CS8) && (C_CSIZE(tty) != CS7)) {
+		dev_warn(&port->dev, "requested CSIZE setting not supported\n");
+
+		termios->c_cflag &= ~CSIZE;
+		if (old_termios)
+			termios->c_cflag |= old_termios->c_cflag & CSIZE;
+		else
+			termios->c_cflag |= CS8;
+	}
+
 	cflag = termios->c_cflag;
 
 	if (!old_termios)
@@ -2236,13 +2296,16 @@
 	} else {
 		urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
 	}
-	if (cflag & CSIZE) {
-		switch (cflag & CSIZE) {
-		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
-		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
-		default:
-			dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
-		}
+	switch (cflag & CSIZE) {
+	case CS7:
+		urb_value |= 7;
+		dev_dbg(&port->dev, "Setting CS7\n");
+		break;
+	default:
+	case CS8:
+		urb_value |= 8;
+		dev_dbg(&port->dev, "Setting CS8\n");
+		break;
 	}
 
 	/* This is needed by the break command since it uses the same command
@@ -2465,11 +2528,15 @@
 	 */
 	case TIOCMIWAIT:
 		cprev = priv->icount;
-		while (!priv->dev_gone) {
-			interruptible_sleep_on(&priv->delta_msr_wait);
+		for (;;) {
+			interruptible_sleep_on(&port->delta_msr_wait);
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			cnow = priv->icount;
 			if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
 			    ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
@@ -2479,8 +2546,6 @@
 			}
 			cprev = cnow;
 		}
-		return -EIO;
-		break;
 	case TIOCSERGETLSR:
 		return get_lsr_info(port, (struct serial_struct __user *)arg);
 		break;
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 1e2d369..7628b91 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -42,6 +42,8 @@
 /* www.candapter.com Ewert Energy Systems CANdapter device */
 #define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */
 
+#define FTDI_BM_ATOM_NANO_PID	0xa559	/* Basic Micro ATOM Nano USB2Serial */
+
 /*
  * Texas Instruments XDS100v2 JTAG / BeagleBone A3
  * http://processors.wiki.ti.com/index.php/XDS100
@@ -538,6 +540,11 @@
  */
 #define FTDI_TIAO_UMPA_PID	0x8a98	/* TIAO/DIYGADGET USB Multi-Protocol Adapter */
 
+/*
+ * NovaTech product ids (FTDI_VID)
+ */
+#define FTDI_NT_ORIONLXM_PID	0x7c90	/* OrionLXm Substation Automation Platform */
+
 
 /********************************/
 /** third-party VID/PID combos **/
@@ -793,7 +800,8 @@
  * Submitted by Colin Leroy
  */
 #define TESTO_VID			0x128D
-#define TESTO_USB_INTERFACE_PID		0x0001
+#define TESTO_1_PID			0x0001
+#define TESTO_3_PID			0x0003
 
 /*
  * Mobility Electronics products.
@@ -820,6 +828,12 @@
 #define TELLDUS_TELLSTICK_PID		0x0C30	/* RF control dongle 433 MHz using FT232RL */
 
 /*
+ * NOVITUS printers
+ */
+#define NOVITUS_VID			0x1a28
+#define NOVITUS_BONO_E_PID		0x6010
+
+/*
  * RT Systems programming cables for various ham radios
  */
 #define RTSYSTEMS_VID		0x2100	/* Vendor ID */
@@ -1320,3 +1334,57 @@
  * Manufacturer: Smart GSM Team
  */
 #define FTDI_Z3X_PID		0x0011
+
+/*
+ * Product: Cressi PC Interface
+ * Manufacturer: Cressi
+ */
+#define FTDI_CRESSI_PID		0x87d0
+
+/*
+ * Brainboxes devices
+ */
+#define BRAINBOXES_VID			0x05d1
+#define BRAINBOXES_VX_001_PID		0x1001 /* VX-001 ExpressCard 1 Port RS232 */
+#define BRAINBOXES_VX_012_PID		0x1002 /* VX-012 ExpressCard 2 Port RS232 */
+#define BRAINBOXES_VX_023_PID		0x1003 /* VX-023 ExpressCard 1 Port RS422/485 */
+#define BRAINBOXES_VX_034_PID		0x1004 /* VX-034 ExpressCard 2 Port RS422/485 */
+#define BRAINBOXES_US_101_PID		0x1011 /* US-101 1xRS232 */
+#define BRAINBOXES_US_324_PID		0x1013 /* US-324 1xRS422/485 1Mbaud */
+#define BRAINBOXES_US_606_1_PID		0x2001 /* US-606 6 Port RS232 Serial Port 1 and 2 */
+#define BRAINBOXES_US_606_2_PID		0x2002 /* US-606 6 Port RS232 Serial Port 3 and 4 */
+#define BRAINBOXES_US_606_3_PID		0x2003 /* US-606 6 Port RS232 Serial Port 4 and 6 */
+#define BRAINBOXES_US_701_1_PID		0x2011 /* US-701 4xRS232 1Mbaud Port 1 and 2 */
+#define BRAINBOXES_US_701_2_PID		0x2012 /* US-701 4xRS422 1Mbaud Port 3 and 4 */
+#define BRAINBOXES_US_279_1_PID		0x2021 /* US-279 8xRS422 1Mbaud Port 1 and 2 */
+#define BRAINBOXES_US_279_2_PID		0x2022 /* US-279 8xRS422 1Mbaud Port 3 and 4 */
+#define BRAINBOXES_US_279_3_PID		0x2023 /* US-279 8xRS422 1Mbaud Port 5 and 6 */
+#define BRAINBOXES_US_279_4_PID		0x2024 /* US-279 8xRS422 1Mbaud Port 7 and 8 */
+#define BRAINBOXES_US_346_1_PID		0x3011 /* US-346 4xRS422/485 1Mbaud Port 1 and 2 */
+#define BRAINBOXES_US_346_2_PID		0x3012 /* US-346 4xRS422/485 1Mbaud Port 3 and 4 */
+#define BRAINBOXES_US_257_PID		0x5001 /* US-257 2xRS232 1Mbaud */
+#define BRAINBOXES_US_313_PID		0x6001 /* US-313 2xRS422/485 1Mbaud */
+#define BRAINBOXES_US_357_PID		0x7001 /* US_357 1xRS232/422/485 */
+#define BRAINBOXES_US_842_1_PID		0x8001 /* US-842 8xRS422/485 1Mbaud Port 1 and 2 */
+#define BRAINBOXES_US_842_2_PID		0x8002 /* US-842 8xRS422/485 1Mbaud Port 3 and 4 */
+#define BRAINBOXES_US_842_3_PID		0x8003 /* US-842 8xRS422/485 1Mbaud Port 5 and 6 */
+#define BRAINBOXES_US_842_4_PID		0x8004 /* US-842 8xRS422/485 1Mbaud Port 7 and 8 */
+#define BRAINBOXES_US_160_1_PID		0x9001 /* US-160 16xRS232 1Mbaud Port 1 and 2 */
+#define BRAINBOXES_US_160_2_PID		0x9002 /* US-160 16xRS232 1Mbaud Port 3 and 4 */
+#define BRAINBOXES_US_160_3_PID		0x9003 /* US-160 16xRS232 1Mbaud Port 5 and 6 */
+#define BRAINBOXES_US_160_4_PID		0x9004 /* US-160 16xRS232 1Mbaud Port 7 and 8 */
+#define BRAINBOXES_US_160_5_PID		0x9005 /* US-160 16xRS232 1Mbaud Port 9 and 10 */
+#define BRAINBOXES_US_160_6_PID		0x9006 /* US-160 16xRS232 1Mbaud Port 11 and 12 */
+#define BRAINBOXES_US_160_7_PID		0x9007 /* US-160 16xRS232 1Mbaud Port 13 and 14 */
+#define BRAINBOXES_US_160_8_PID		0x9008 /* US-160 16xRS232 1Mbaud Port 15 and 16 */
+
+/*
+ * ekey biometric systems GmbH (http://ekey.net/)
+ */
+#define FTDI_EKEY_CONV_USB_PID		0xCB08	/* Converter USB */
+
+/*
+ * GE Healthcare devices
+ */
+#define GE_HEALTHCARE_VID		0x1901
+#define GE_HEALTHCARE_NEMO_TRACKER_PID	0x0015
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 323e872..32099d7 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -114,7 +114,6 @@
 	wait_queue_head_t	wait_chase;		/* for handling sleeping while waiting for chase to finish */
 	wait_queue_head_t	wait_open;		/* for handling sleeping while waiting for open to finish */
 	wait_queue_head_t	wait_command;		/* for handling sleeping while waiting for command to finish */
-	wait_queue_head_t	delta_msr_wait;		/* for handling sleeping while waiting for msr change to happen */
 
 	struct async_icount	icount;
 	struct usb_serial_port	*port;			/* loop back to the owner of this object */
@@ -884,7 +883,6 @@
 	/* initialize our wait queues */
 	init_waitqueue_head(&edge_port->wait_open);
 	init_waitqueue_head(&edge_port->wait_chase);
-	init_waitqueue_head(&edge_port->delta_msr_wait);
 	init_waitqueue_head(&edge_port->wait_command);
 
 	/* initialize our icount structure */
@@ -1701,13 +1699,17 @@
 		dbg("%s (%d) TIOCMIWAIT", __func__,  port->number);
 		cprev = edge_port->icount;
 		while (1) {
-			prepare_to_wait(&edge_port->delta_msr_wait,
+			prepare_to_wait(&port->delta_msr_wait,
 						&wait, TASK_INTERRUPTIBLE);
 			schedule();
-			finish_wait(&edge_port->delta_msr_wait, &wait);
+			finish_wait(&port->delta_msr_wait, &wait);
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			cnow = edge_port->icount;
 			if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
 			    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
@@ -2088,7 +2090,7 @@
 			icount->dcd++;
 		if (newMsr & EDGEPORT_MSR_DELTA_RI)
 			icount->rng++;
-		wake_up_interruptible(&edge_port->delta_msr_wait);
+		wake_up_interruptible(&edge_port->port->delta_msr_wait);
 	}
 
 	/* Save the new modem status */
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index b68efdc..5175182 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -29,6 +29,7 @@
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
 #include <linux/serial.h>
+#include <linux/swab.h>
 #include <linux/kfifo.h>
 #include <linux/ioctl.h>
 #include <linux/firmware.h>
@@ -91,9 +92,6 @@
 	int close_pending;
 	int lsr_event;
 	struct async_icount	icount;
-	wait_queue_head_t	delta_msr_wait;	/* for handling sleeping while
-						   waiting for msr change to
-						   happen */
 	struct edgeport_serial	*edge_serial;
 	struct usb_serial_port	*port;
 	__u8 bUartMode;		/* Port type, 0: RS232, etc. */
@@ -301,7 +299,7 @@
 {
 	int status = 0;
 	__u8 read_length;
-	__be16 be_start_address;
+	u16 be_start_address;
 
 	dbg("%s - @ %x for %d", __func__, start_address, length);
 
@@ -318,10 +316,14 @@
 			dbg("%s - @ %x for %d", __func__,
 			     start_address, read_length);
 		}
-		be_start_address = cpu_to_be16(start_address);
+		/*
+		 * NOTE: Must use swab as wIndex is sent in little-endian
+		 *       byte order regardless of host byte order.
+		 */
+		be_start_address = swab16((u16)start_address);
 		status = ti_vread_sync(dev, UMPC_MEMORY_READ,
 					(__u16)address_type,
-					(__force __u16)be_start_address,
+					be_start_address,
 					buffer, read_length);
 
 		if (status) {
@@ -421,7 +423,7 @@
 {
 	int status = 0;
 	int write_length;
-	__be16 be_start_address;
+	u16 be_start_address;
 
 	/* We can only send a maximum of 1 aligned byte page at a time */
 
@@ -437,11 +439,16 @@
 	usb_serial_debug_data(debug, &serial->serial->dev->dev,
 						__func__, write_length, buffer);
 
-	/* Write first page */
-	be_start_address = cpu_to_be16(start_address);
+	/*
+	 * Write first page.
+	 *
+	 * NOTE: Must use swab as wIndex is sent in little-endian byte order
+	 *       regardless of host byte order.
+	 */
+	be_start_address = swab16((u16)start_address);
 	status = ti_vsend_sync(serial->serial->dev,
 				UMPC_MEMORY_WRITE, (__u16)address_type,
-				(__force __u16)be_start_address,
+				be_start_address,
 				buffer,	write_length);
 	if (status) {
 		dbg("%s - ERROR %d", __func__, status);
@@ -465,11 +472,16 @@
 		usb_serial_debug_data(debug, &serial->serial->dev->dev,
 					__func__, write_length, buffer);
 
-		/* Write next page */
-		be_start_address = cpu_to_be16(start_address);
+		/*
+		 * Write next page.
+		 *
+		 * NOTE: Must use swab as wIndex is sent in little-endian byte
+		 *       order regardless of host byte order.
+		 */
+		be_start_address = swab16((u16)start_address);
 		status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE,
 				(__u16)address_type,
-				(__force __u16)be_start_address,
+				be_start_address,
 				buffer, write_length);
 		if (status) {
 			dev_err(&serial->serial->dev->dev, "%s - ERROR %d\n",
@@ -676,8 +688,8 @@
 		if (rom_desc->Type == desc_type)
 			return start_address;
 
-		start_address = start_address + sizeof(struct ti_i2c_desc)
-							+ rom_desc->Size;
+		start_address = start_address + sizeof(struct ti_i2c_desc) +
+						le16_to_cpu(rom_desc->Size);
 
 	} while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type);
 
@@ -690,7 +702,7 @@
 	__u16 i;
 	__u8 cs = 0;
 
-	for (i = 0; i < rom_desc->Size; i++)
+	for (i = 0; i < le16_to_cpu(rom_desc->Size); i++)
 		cs = (__u8)(cs + buffer[i]);
 
 	if (cs != rom_desc->CheckSum) {
@@ -744,7 +756,7 @@
 			break;
 
 		if ((start_address + sizeof(struct ti_i2c_desc) +
-					rom_desc->Size) > TI_MAX_I2C_SIZE) {
+			le16_to_cpu(rom_desc->Size)) > TI_MAX_I2C_SIZE) {
 			status = -ENODEV;
 			dbg("%s - structure too big, erroring out.", __func__);
 			break;
@@ -759,7 +771,8 @@
 			/* Read the descriptor data */
 			status = read_rom(serial, start_address +
 						sizeof(struct ti_i2c_desc),
-						rom_desc->Size, buffer);
+						le16_to_cpu(rom_desc->Size),
+						buffer);
 			if (status)
 				break;
 
@@ -768,7 +781,7 @@
 				break;
 		}
 		start_address = start_address + sizeof(struct ti_i2c_desc) +
-								rom_desc->Size;
+						le16_to_cpu(rom_desc->Size);
 
 	} while ((rom_desc->Type != I2C_DESC_TYPE_ION) &&
 				(start_address < TI_MAX_I2C_SIZE));
@@ -807,7 +820,7 @@
 
 	/* Read the descriptor data */
 	status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc),
-						rom_desc->Size, buffer);
+					le16_to_cpu(rom_desc->Size), buffer);
 	if (status)
 		goto exit;
 
@@ -902,7 +915,7 @@
 	firmware_rec =  (struct ti_i2c_firmware_rec*)i2c_header->Data;
 
 	i2c_header->Type	= I2C_DESC_TYPE_FIRMWARE_BLANK;
-	i2c_header->Size	= (__u16)buffer_size;
+	i2c_header->Size	= cpu_to_le16(buffer_size);
 	i2c_header->CheckSum	= cs;
 	firmware_rec->Ver_Major	= OperationalMajorVersion;
 	firmware_rec->Ver_Minor	= OperationalMinorVersion;
@@ -1549,7 +1562,7 @@
 			icount->dcd++;
 		if (msr & EDGEPORT_MSR_DELTA_RI)
 			icount->rng++;
-		wake_up_interruptible(&edge_port->delta_msr_wait);
+		wake_up_interruptible(&edge_port->port->delta_msr_wait);
 	}
 
 	/* Save the new modem status */
@@ -1867,7 +1880,6 @@
 	dev = port->serial->dev;
 
 	memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount));
-	init_waitqueue_head(&edge_port->delta_msr_wait);
 
 	/* turn off loopback */
 	status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0);
@@ -2553,10 +2565,14 @@
 		dbg("%s - (%d) TIOCMIWAIT", __func__, port->number);
 		cprev = edge_port->icount;
 		while (1) {
-			interruptible_sleep_on(&edge_port->delta_msr_wait);
+			interruptible_sleep_on(&port->delta_msr_wait);
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			cnow = edge_port->icount;
 			if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
 			    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
diff --git a/drivers/usb/serial/io_usbvend.h b/drivers/usb/serial/io_usbvend.h
index 51f83fb..6f6a856 100644
--- a/drivers/usb/serial/io_usbvend.h
+++ b/drivers/usb/serial/io_usbvend.h
@@ -594,7 +594,7 @@
 
 struct ti_i2c_desc {
 	__u8	Type;			// Type of descriptor
-	__u16	Size;			// Size of data only not including header
+	__le16	Size;			// Size of data only not including header
 	__u8	CheckSum;		// Checksum (8 bit sum of data only)
 	__u8	Data[0];		// Data starts here
 } __attribute__((packed));
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 253bff6..66d806e 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2486,7 +2486,7 @@
 	if (d_details == NULL) {
 		dev_err(&serial->dev->dev, "%s - unknown product id %x\n",
 		    __func__, le16_to_cpu(serial->dev->descriptor.idProduct));
-		return 1;
+		return -ENODEV;
 	}
 
 	/* Setup private data for serial driver */
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 933dd07..954fb86 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -126,8 +126,6 @@
 	unsigned char	     last_msr;      /* Modem Status Register */
 	unsigned int	     rx_flags;      /* Throttling flags */
 	struct async_icount  icount;
-	wait_queue_head_t    msr_wait;	/* for handling sleeping while waiting
-						for msr change to happen */
 };
 
 #define THROTTLED		0x01
@@ -407,7 +405,6 @@
 	if (!priv)
 		return -ENOMEM;
 	spin_lock_init(&priv->lock);
-	init_waitqueue_head(&priv->msr_wait);
 	usb_set_serial_port_data(serial->port[0], priv);
 
 	init_waitqueue_head(&serial->port[0]->write_wait);
@@ -631,7 +628,7 @@
 		tty_kref_put(tty);
 	}
 #endif
-	wake_up_interruptible(&priv->msr_wait);
+	wake_up_interruptible(&port->delta_msr_wait);
 	spin_unlock_irqrestore(&priv->lock, flags);
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
@@ -852,13 +849,17 @@
 		cprev = mct_u232_port->icount;
 		spin_unlock_irqrestore(&mct_u232_port->lock, flags);
 		for ( ; ; ) {
-			prepare_to_wait(&mct_u232_port->msr_wait,
+			prepare_to_wait(&port->delta_msr_wait,
 					&wait, TASK_INTERRUPTIBLE);
 			schedule();
-			finish_wait(&mct_u232_port->msr_wait, &wait);
+			finish_wait(&port->delta_msr_wait, &wait);
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			spin_lock_irqsave(&mct_u232_port->lock, flags);
 			cnow = mct_u232_port->icount;
 			spin_unlock_irqrestore(&mct_u232_port->lock, flags);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 8ccbf5e..947b866 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -185,6 +185,10 @@
 #define URB_TRANSFER_BUFFER_SIZE        32	/* URB Size  */
 
 
+enum mos7840_flag {
+	MOS7840_FLAG_CTRL_BUSY,
+};
+
 static const struct usb_device_id moschip_port_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
 	{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
@@ -240,7 +244,6 @@
 	char open;
 	char open_ports;
 	wait_queue_head_t wait_chase;	/* for handling sleeping while waiting for chase to finish */
-	wait_queue_head_t delta_msr_wait;	/* for handling sleeping while waiting for msr change to happen */
 	int delta_msr_cond;
 	struct async_icount icount;
 	struct usb_serial_port *port;	/* loop back to the owner of this object */
@@ -259,6 +262,8 @@
 	struct urb *write_urb_pool[NUM_URBS];
 	char busy[NUM_URBS];
 	bool read_urb_busy;
+
+	unsigned long flags;
 };
 
 
@@ -453,6 +458,9 @@
 			icount->rng++;
 			smp_wmb();
 		}
+
+		mos7840_port->delta_msr_cond = 1;
+		wake_up_interruptible(&port->port->delta_msr_wait);
 	}
 }
 
@@ -517,11 +525,11 @@
 		/* this urb is terminated, clean up */
 		dbg("%s - urb shutting down with status: %d", __func__,
 		    status);
-		return;
+		goto out;
 	default:
 		dbg("%s - nonzero urb status received: %d", __func__,
 		    status);
-		return;
+		goto out;
 	}
 
 	dbg("%s urb buffer size is %d", __func__, urb->actual_length);
@@ -534,6 +542,8 @@
 		mos7840_handle_new_msr(mos7840_port, regval);
 	else if (mos7840_port->MsrLsr == 1)
 		mos7840_handle_new_lsr(mos7840_port, regval);
+out:
+	clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mos7840_port->flags);
 }
 
 static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg,
@@ -544,6 +554,9 @@
 	unsigned char *buffer = mcs->ctrl_buf;
 	int ret;
 
+	if (test_and_set_bit_lock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags))
+		return -EBUSY;
+
 	dr->bRequestType = MCS_RD_RTYPE;
 	dr->bRequest = MCS_RDREQ;
 	dr->wValue = cpu_to_le16(Wval);	/* 0 */
@@ -555,6 +568,9 @@
 			     mos7840_control_callback, mcs);
 	mcs->control_urb->transfer_buffer_length = 2;
 	ret = usb_submit_urb(mcs->control_urb, GFP_ATOMIC);
+	if (ret)
+		clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags);
+
 	return ret;
 }
 
@@ -921,20 +937,20 @@
 	status = mos7840_get_reg_sync(port, mos7840_port->SpRegOffset, &Data);
 	if (status < 0) {
 		dbg("Reading Spreg failed");
-		return -1;
+		goto err;
 	}
 	Data |= 0x80;
 	status = mos7840_set_reg_sync(port, mos7840_port->SpRegOffset, Data);
 	if (status < 0) {
 		dbg("writing Spreg failed");
-		return -1;
+		goto err;
 	}
 
 	Data &= ~0x80;
 	status = mos7840_set_reg_sync(port, mos7840_port->SpRegOffset, Data);
 	if (status < 0) {
 		dbg("writing Spreg failed");
-		return -1;
+		goto err;
 	}
 	/* End of block to be checked */
 
@@ -943,7 +959,7 @@
 									&Data);
 	if (status < 0) {
 		dbg("Reading Controlreg failed");
-		return -1;
+		goto err;
 	}
 	Data |= 0x08;		/* Driver done bit */
 	Data |= 0x20;		/* rx_disable */
@@ -951,7 +967,7 @@
 				mos7840_port->ControlRegOffset, Data);
 	if (status < 0) {
 		dbg("writing Controlreg failed");
-		return -1;
+		goto err;
 	}
 	/* do register settings here */
 	/* Set all regs to the device default values. */
@@ -962,21 +978,21 @@
 	status = mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data);
 	if (status < 0) {
 		dbg("disabling interrupts failed");
-		return -1;
+		goto err;
 	}
 	/* Set FIFO_CONTROL_REGISTER to the default value */
 	Data = 0x00;
 	status = mos7840_set_uart_reg(port, FIFO_CONTROL_REGISTER, Data);
 	if (status < 0) {
 		dbg("Writing FIFO_CONTROL_REGISTER  failed");
-		return -1;
+		goto err;
 	}
 
 	Data = 0xcf;
 	status = mos7840_set_uart_reg(port, FIFO_CONTROL_REGISTER, Data);
 	if (status < 0) {
 		dbg("Writing FIFO_CONTROL_REGISTER  failed");
-		return -1;
+		goto err;
 	}
 
 	Data = 0x03;
@@ -1113,7 +1129,6 @@
 
 	/* initialize our wait queues */
 	init_waitqueue_head(&mos7840_port->wait_chase);
-	init_waitqueue_head(&mos7840_port->delta_msr_wait);
 
 	/* initialize our icount structure */
 	memset(&(mos7840_port->icount), 0x00, sizeof(mos7840_port->icount));
@@ -1133,7 +1148,15 @@
 	dbg ("%s leave", __func__);
 
 	return 0;
-
+err:
+	for (j = 0; j < NUM_URBS; ++j) {
+		urb = mos7840_port->write_urb_pool[j];
+		if (!urb)
+			continue;
+		kfree(urb->transfer_buffer);
+		usb_free_urb(urb);
+	}
+	return status;
 }
 
 /*****************************************************************************
@@ -2074,8 +2097,6 @@
 			mos7840_port->read_urb_busy = false;
 		}
 	}
-	wake_up(&mos7840_port->delta_msr_wait);
-	mos7840_port->delta_msr_cond = 1;
 	dbg("mos7840_change_port_settings mos7840_port->shadowLCR is End %x",
 	    mos7840_port->shadowLCR);
 }
@@ -2284,13 +2305,18 @@
 		while (1) {
 			/* interruptible_sleep_on(&mos7840_port->delta_msr_wait); */
 			mos7840_port->delta_msr_cond = 0;
-			wait_event_interruptible(mos7840_port->delta_msr_wait,
-						 (mos7840_port->
+			wait_event_interruptible(port->delta_msr_wait,
+						 (port->serial->disconnected ||
+						  mos7840_port->
 						  delta_msr_cond == 1));
 
 			/* see if a signal did it */
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			cnow = mos7840_port->icount;
 			smp_rmb();
 			if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index abfb45b..703ebe7 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -161,6 +161,7 @@
 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED	0x9000
 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED	0x9001
 #define NOVATELWIRELESS_PRODUCT_E362		0x9010
+#define NOVATELWIRELESS_PRODUCT_E371		0x9011
 #define NOVATELWIRELESS_PRODUCT_G2		0xA010
 #define NOVATELWIRELESS_PRODUCT_MC551		0xB001
 
@@ -234,8 +235,31 @@
 #define QUALCOMM_VENDOR_ID			0x05C6
 
 #define CMOTECH_VENDOR_ID			0x16d8
-#define CMOTECH_PRODUCT_6008			0x6008
-#define CMOTECH_PRODUCT_6280			0x6280
+#define CMOTECH_PRODUCT_6001			0x6001
+#define CMOTECH_PRODUCT_CMU_300			0x6002
+#define CMOTECH_PRODUCT_6003			0x6003
+#define CMOTECH_PRODUCT_6004			0x6004
+#define CMOTECH_PRODUCT_6005			0x6005
+#define CMOTECH_PRODUCT_CGU_628A		0x6006
+#define CMOTECH_PRODUCT_CHE_628S		0x6007
+#define CMOTECH_PRODUCT_CMU_301			0x6008
+#define CMOTECH_PRODUCT_CHU_628			0x6280
+#define CMOTECH_PRODUCT_CHU_628S		0x6281
+#define CMOTECH_PRODUCT_CDU_680			0x6803
+#define CMOTECH_PRODUCT_CDU_685A		0x6804
+#define CMOTECH_PRODUCT_CHU_720S		0x7001
+#define CMOTECH_PRODUCT_7002			0x7002
+#define CMOTECH_PRODUCT_CHU_629K		0x7003
+#define CMOTECH_PRODUCT_7004			0x7004
+#define CMOTECH_PRODUCT_7005			0x7005
+#define CMOTECH_PRODUCT_CGU_629			0x7006
+#define CMOTECH_PRODUCT_CHU_629S		0x700a
+#define CMOTECH_PRODUCT_CHU_720I		0x7211
+#define CMOTECH_PRODUCT_7212			0x7212
+#define CMOTECH_PRODUCT_7213			0x7213
+#define CMOTECH_PRODUCT_7251			0x7251
+#define CMOTECH_PRODUCT_7252			0x7252
+#define CMOTECH_PRODUCT_7253			0x7253
 
 #define TELIT_VENDOR_ID				0x1bc7
 #define TELIT_PRODUCT_UC864E			0x1003
@@ -243,6 +267,7 @@
 #define TELIT_PRODUCT_CC864_DUAL		0x1005
 #define TELIT_PRODUCT_CC864_SINGLE		0x1006
 #define TELIT_PRODUCT_DE910_DUAL		0x1010
+#define TELIT_PRODUCT_UE910_V2			0x1012
 #define TELIT_PRODUCT_LE920			0x1200
 
 /* ZTE PRODUCTS */
@@ -291,6 +316,7 @@
 #define ALCATEL_PRODUCT_X060S_X200		0x0000
 #define ALCATEL_PRODUCT_X220_X500D		0x0017
 #define ALCATEL_PRODUCT_L100V			0x011e
+#define ALCATEL_PRODUCT_L800MA			0x0203
 
 #define PIRELLI_VENDOR_ID			0x1266
 #define PIRELLI_PRODUCT_C100_1			0x1002
@@ -331,6 +357,9 @@
 /* Zoom */
 #define ZOOM_PRODUCT_4597			0x9607
 
+/* SpeedUp SU9800 usb 3g modem */
+#define SPEEDUP_PRODUCT_SU9800			0x9800
+
 /* Haier products */
 #define HAIER_VENDOR_ID				0x201e
 #define HAIER_PRODUCT_CE100			0x2009
@@ -351,8 +380,13 @@
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID			0x0b3c
 #define OLIVETTI_PRODUCT_OLICARD100		0xc000
+#define OLIVETTI_PRODUCT_OLICARD120		0xc001
+#define OLIVETTI_PRODUCT_OLICARD140		0xc002
 #define OLIVETTI_PRODUCT_OLICARD145		0xc003
+#define OLIVETTI_PRODUCT_OLICARD155		0xc004
 #define OLIVETTI_PRODUCT_OLICARD200		0xc005
+#define OLIVETTI_PRODUCT_OLICARD160		0xc00a
+#define OLIVETTI_PRODUCT_OLICARD500		0xc00b
 
 /* Celot products */
 #define CELOT_VENDOR_ID				0x211f
@@ -465,6 +499,10 @@
 #define INOVIA_VENDOR_ID			0x20a6
 #define INOVIA_SEW858				0x1105
 
+/* VIA Telecom */
+#define VIATELECOM_VENDOR_ID			0x15eb
+#define VIATELECOM_PRODUCT_CDS7			0x0001
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -514,6 +552,10 @@
 	.reserved = BIT(1) | BIT(2),
 };
 
+static const struct option_blacklist_info net_intf0_blacklist = {
+	.reserved = BIT(0),
+};
+
 static const struct option_blacklist_info net_intf1_blacklist = {
 	.reserved = BIT(1),
 };
@@ -995,6 +1037,7 @@
 	/* Novatel Ovation MC551 a.k.a. Verizon USB551L */
 	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) },
 
 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -1048,13 +1091,53 @@
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
-	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
-	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6004) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6005) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_628A) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHE_628S),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_301),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628S) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_680) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_685A) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720S),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7002),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629K),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7004),
+	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7005) },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_629),
+	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629S),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720I),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7212),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7213),
+	  .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7251),
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7252),
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7253),
+	  .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
 		.driver_info = (kernel_ulong_t)&telit_le920_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
@@ -1422,6 +1505,8 @@
 		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff),  /* ZTE MF91 */
 		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff),  /* Telewell TW-LTE 4G v2 */
+		.driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },
@@ -1518,11 +1603,14 @@
 	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L800MA),
+	  .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
 	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
 	{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
   	  .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
   	},
+	{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
 	{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
@@ -1546,7 +1634,8 @@
 	/* Cinterion */
 	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) },
 	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) },
-	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) },
+	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) },
 	{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX),
 		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
@@ -1556,12 +1645,21 @@
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
-
-	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155),
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
-		.driver_info = (kernel_ulong_t)&net_intf6_blacklist
-	},
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160),
+		.driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
+		.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
 	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
@@ -1650,6 +1748,7 @@
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
 	{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
+	{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -1852,6 +1951,7 @@
 	struct usb_wwan_port_private *portdata;
 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
 	int val = 0;
+	int res;
 	dbg("%s", __func__);
 
 	if (is_blacklisted(ifNum, OPTION_BLACKLIST_SENDSETUP,
@@ -1867,9 +1967,17 @@
 	if (portdata->rts_state)
 		val |= 0x02;
 
-	return usb_control_msg(serial->dev,
-		usb_rcvctrlpipe(serial->dev, 0),
-		0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
+	res = usb_autopm_get_interface(serial->interface);
+	if (res)
+		return res;
+
+	res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+				0x22, 0x21, val, ifNum, NULL,
+				0, USB_CTRL_SET_TIMEOUT);
+
+	usb_autopm_put_interface(serial->interface);
+
+	return res;
 }
 
 MODULE_AUTHOR(DRIVER_AUTHOR);
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 5fdc33c..bddc9f1 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -198,7 +198,6 @@
 	u8 setup_done;
 	struct delayed_work delayed_setup_work;
 
-	wait_queue_head_t intr_wait;
 	struct usb_serial_port *port;   /* USB port with which associated */
 };
 
@@ -356,7 +355,6 @@
 			break;
 
 		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->intr_wait);
 /*		INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
 /*		INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
 		priv->port = port;
@@ -703,11 +701,15 @@
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	while (1) {
-		wait_event_interruptible(priv->intr_wait,
+		wait_event_interruptible(port->delta_msr_wait,
+					port->serial->disconnected ||
 					priv->status.pin_state != prev);
 		if (signal_pending(current))
 			return -ERESTARTSYS;
 
+		if (port->serial->disconnected)
+			return -EIO;
+
 		spin_lock_irqsave(&priv->lock, flags);
 		status = priv->status.pin_state & PIN_MASK;
 		spin_unlock_irqrestore(&priv->lock, flags);
@@ -819,7 +821,7 @@
 
 		if (!priv->transient) {
 			if (xs->pin_state != priv->status.pin_state)
-				wake_up_interruptible(&priv->intr_wait);
+				wake_up_interruptible(&port->delta_msr_wait);
 			memcpy(&priv->status, xs, OTI6858_CTRL_PKT_SIZE);
 		}
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1dcccd4..3e450b4 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -51,6 +51,7 @@
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) },
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) },
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) },
+	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ZTEK) },
 	{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
 	{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
 	{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
@@ -86,6 +87,9 @@
 	{ USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) },
 	{ USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
+	{ USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
+	{ USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
+	{ USB_DEVICE(HP_VENDOR_ID, HP_LCM960_PRODUCT_ID) },
 	{ USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
 	{ USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
@@ -149,7 +153,6 @@
 
 struct pl2303_private {
 	spinlock_t lock;
-	wait_queue_head_t delta_msr_wait;
 	u8 line_control;
 	u8 line_status;
 	enum pl2303_type type;
@@ -203,7 +206,6 @@
 		if (!priv)
 			goto cleanup;
 		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
 		priv->type = type;
 		usb_set_serial_port_data(serial->port[i], priv);
 	}
@@ -271,7 +273,7 @@
 	   serial settings even to the same values as before. Thus
 	   we actually need to filter in this specific case */
 
-	if (!tty_termios_hw_change(tty->termios, old_termios))
+	if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
 		return;
 
 	cflag = tty->termios->c_cflag;
@@ -280,7 +282,8 @@
 	if (!buf) {
 		dev_err(&port->dev, "%s - out of memory.\n", __func__);
 		/* Report back no change occurred */
-		*tty->termios = *old_termios;
+		if (old_termios)
+			*tty->termios = *old_termios;
 		return;
 	}
 
@@ -418,7 +421,7 @@
 	control = priv->line_control;
 	if ((cflag & CBAUD) == B0)
 		priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
-	else if ((old_termios->c_cflag & CBAUD) == B0)
+	else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
 		priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
 	if (control != priv->line_control) {
 		control = priv->line_control;
@@ -479,7 +482,6 @@
 
 static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
-	struct ktermios tmp_termios;
 	struct usb_serial *serial = port->serial;
 	struct pl2303_private *priv = usb_get_serial_port_data(port);
 	int result;
@@ -497,7 +499,7 @@
 
 	/* Setup termios */
 	if (tty)
-		pl2303_set_termios(tty, port, &tmp_termios);
+		pl2303_set_termios(tty, port, NULL);
 
 	dbg("%s - submitting interrupt urb", __func__);
 	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
@@ -595,11 +597,14 @@
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	while (1) {
-		interruptible_sleep_on(&priv->delta_msr_wait);
+		interruptible_sleep_on(&port->delta_msr_wait);
 		/* see if a signal did it */
 		if (signal_pending(current))
 			return -ERESTARTSYS;
 
+		if (port->serial->disconnected)
+			return -EIO;
+
 		spin_lock_irqsave(&priv->lock, flags);
 		status = priv->line_status;
 		spin_unlock_irqrestore(&priv->lock, flags);
@@ -721,7 +726,7 @@
 	spin_unlock_irqrestore(&priv->lock, flags);
 	if (priv->line_status & UART_BREAK_ERROR)
 		usb_serial_handle_break(port);
-	wake_up_interruptible(&priv->delta_msr_wait);
+	wake_up_interruptible(&port->delta_msr_wait);
 
 	tty = tty_port_tty_get(&port->port);
 	if (!tty)
@@ -788,7 +793,7 @@
 	line_status = priv->line_status;
 	priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
 	spin_unlock_irqrestore(&priv->lock, flags);
-	wake_up_interruptible(&priv->delta_msr_wait);
+	wake_up_interruptible(&port->delta_msr_wait);
 
 	if (!urb->actual_length)
 		return;
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index c38b8c0..71fd9da 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -22,6 +22,7 @@
 #define PL2303_PRODUCT_ID_GPRS		0x0609
 #define PL2303_PRODUCT_ID_HCR331	0x331a
 #define PL2303_PRODUCT_ID_MOTOROLA	0x0307
+#define PL2303_PRODUCT_ID_ZTEK		0xe1f1
 
 #define ATEN_VENDOR_ID		0x0557
 #define ATEN_VENDOR_ID2		0x0547
@@ -121,8 +122,11 @@
 #define SUPERIAL_VENDOR_ID	0x5372
 #define SUPERIAL_PRODUCT_ID	0x2303
 
-/* Hewlett-Packard LD220-HP POS Pole Display */
+/* Hewlett-Packard POS Pole Displays */
 #define HP_VENDOR_ID		0x03f0
+#define HP_LD960_PRODUCT_ID	0x0b39
+#define HP_LCM220_PRODUCT_ID	0x3139
+#define HP_LCM960_PRODUCT_ID	0x3239
 #define HP_LD220_PRODUCT_ID	0x3524
 
 /* Cressi Edy (diving computer) PC interface */
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index b4ac0e6..015f8e0 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -121,6 +121,7 @@
 	{USB_DEVICE(0x1199, 0x9019)},	/* Sierra Wireless Gobi 3000 Modem device */
 	{USB_DEVICE(0x12D1, 0x14F0)},	/* Sony Gobi 3000 QDL */
 	{USB_DEVICE(0x12D1, 0x14F1)},	/* Sony Gobi 3000 Composite */
+	{USB_DEVICE(0x0AF0, 0x8120)},	/* Option GTM681W */
 	{USB_DEVICE(0x05c6, 0x9048)},	/* MDM9x15 device */
 	{USB_DEVICE(0x05c6, 0x904C)},	/* MDM9x15 device */
 	{ }				/* Terminating entry */
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 8ec15c2..e3ddec0 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -59,6 +59,7 @@
 	spinlock_t susp_lock;
 	unsigned int suspended:1;
 	int in_flight;
+	unsigned int open_ports;
 };
 
 static int sierra_set_power_state(struct usb_device *udev, __u16 swiState)
@@ -295,17 +296,21 @@
 	{ USB_DEVICE(0x1199, 0x68A2),   /* Sierra Wireless MC77xx in QMI mode */
 	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
 	},
-	{ USB_DEVICE(0x1199, 0x68A3), 	/* Sierra Wireless Direct IP modems */
+	/* Sierra Wireless Direct IP modems */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68A3, 0xFF, 0xFF, 0xFF),
+	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+	},
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68AA, 0xFF, 0xFF, 0xFF),
 	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
 	},
 	/* AT&T Direct IP LTE modems */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF),
 	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
 	},
-	{ USB_DEVICE(0x0f3d, 0x68A3), 	/* Airprime/Sierra Wireless Direct IP modems */
+	/* Airprime/Sierra Wireless Direct IP modems */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68A3, 0xFF, 0xFF, 0xFF),
 	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
 	},
-       { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */
 
 	{ }
 };
@@ -802,6 +807,7 @@
 	struct usb_serial *serial = port->serial;
 	struct sierra_port_private *portdata;
 	struct sierra_intf_private *intfdata = port->serial->private;
+	struct urb *urb;
 
 
 	dev_dbg(&port->dev, "%s\n", __func__);
@@ -813,7 +819,6 @@
 	if (serial->dev) {
 		mutex_lock(&serial->disc_mutex);
 		if (!serial->disconnected) {
-			serial->interface->needs_remote_wakeup = 0;
 			/* odd error handling due to pm counters */
 			if (!usb_autopm_get_interface(serial->interface))
 				sierra_send_setup(port);
@@ -824,8 +829,21 @@
 		mutex_unlock(&serial->disc_mutex);
 		spin_lock_irq(&intfdata->susp_lock);
 		portdata->opened = 0;
+		if (--intfdata->open_ports == 0)
+			serial->interface->needs_remote_wakeup = 0;
 		spin_unlock_irq(&intfdata->susp_lock);
 
+		for (;;) {
+			urb = usb_get_from_anchor(&portdata->delayed);
+			if (!urb)
+				break;
+			kfree(urb->transfer_buffer);
+			usb_free_urb(urb);
+			usb_autopm_put_interface_async(serial->interface);
+			spin_lock(&portdata->lock);
+			portdata->outstanding_urbs--;
+			spin_unlock(&portdata->lock);
+		}
 
 		/* Stop reading urbs */
 		sierra_stop_rx_urbs(port);
@@ -868,23 +886,29 @@
 			usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN);
 
 	err = sierra_submit_rx_urbs(port, GFP_KERNEL);
-	if (err) {
-		/* get rid of everything as in close */
-		sierra_close(port);
-		/* restore balance for autopm */
-		if (!serial->disconnected)
-			usb_autopm_put_interface(serial->interface);
-		return err;
-	}
+	if (err)
+		goto err_submit;
+
 	sierra_send_setup(port);
 
-	serial->interface->needs_remote_wakeup = 1;
 	spin_lock_irq(&intfdata->susp_lock);
 	portdata->opened = 1;
+	if (++intfdata->open_ports == 1)
+		serial->interface->needs_remote_wakeup = 1;
 	spin_unlock_irq(&intfdata->susp_lock);
 	usb_autopm_put_interface(serial->interface);
 
 	return 0;
+
+err_submit:
+	sierra_stop_rx_urbs(port);
+
+	for (i = 0; i < portdata->num_in_urbs; i++) {
+		sierra_release_urb(portdata->in_urbs[i]);
+		portdata->in_urbs[i] = NULL;
+	}
+
+	return err;
 }
 
 
@@ -995,6 +1019,7 @@
 		portdata = usb_get_serial_port_data(port);
 		if (!portdata)
 			continue;
+		usb_set_serial_port_data(port, NULL);
 		kfree(portdata);
 	}
 	kfree(serial->private);
@@ -1011,6 +1036,8 @@
 	for (i = 0; i < serial->num_ports; ++i) {
 		port = serial->port[i];
 		portdata = usb_get_serial_port_data(port);
+		if (!portdata)
+			continue;
 		sierra_stop_rx_urbs(port);
 		usb_kill_anchored_urbs(&portdata->active);
 	}
@@ -1053,6 +1080,9 @@
 		port = serial->port[i];
 		portdata = usb_get_serial_port_data(port);
 
+		if (!portdata)
+			continue;
+
 		while ((urb = usb_get_from_anchor(&portdata->delayed))) {
 			usb_anchor_urb(urb, &portdata->active);
 			intfdata->in_flight++;
@@ -1060,8 +1090,12 @@
 			if (err < 0) {
 				intfdata->in_flight--;
 				usb_unanchor_urb(urb);
-				usb_scuttle_anchored_urbs(&portdata->delayed);
-				break;
+				kfree(urb->transfer_buffer);
+				usb_free_urb(urb);
+				spin_lock(&portdata->lock);
+				portdata->outstanding_urbs--;
+				spin_unlock(&portdata->lock);
+				continue;
 			}
 		}
 
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 003ef90..692da69 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -162,7 +162,6 @@
 struct spcp8x5_private {
 	spinlock_t 	lock;
 	enum spcp8x5_type	type;
-	wait_queue_head_t	delta_msr_wait;
 	u8 			line_control;
 	u8 			line_status;
 };
@@ -196,7 +195,6 @@
 			goto cleanup;
 
 		spin_lock_init(&priv->lock);
-		init_waitqueue_head(&priv->delta_msr_wait);
 		priv->type = type;
 		usb_set_serial_port_data(serial->port[i] , priv);
 	}
@@ -339,7 +337,6 @@
 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
 	unsigned int cflag = tty->termios->c_cflag;
-	unsigned int old_cflag = old_termios->c_cflag;
 	unsigned short uartdata;
 	unsigned char buf[2] = {0, 0};
 	int baud;
@@ -348,15 +345,15 @@
 
 
 	/* check that they really want us to change something */
-	if (!tty_termios_hw_change(tty->termios, old_termios))
+	if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
 		return;
 
 	/* set DTR/RTS active */
 	spin_lock_irqsave(&priv->lock, flags);
 	control = priv->line_control;
-	if ((old_cflag & CBAUD) == B0) {
+	if (old_termios && (old_termios->c_cflag & CBAUD) == B0) {
 		priv->line_control |= MCR_DTR;
-		if (!(old_cflag & CRTSCTS))
+		if (!(old_termios->c_cflag & CRTSCTS))
 			priv->line_control |= MCR_RTS;
 	}
 	if (control != priv->line_control) {
@@ -444,7 +441,6 @@
  * status of the device. */
 static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
-	struct ktermios tmp_termios;
 	struct usb_serial *serial = port->serial;
 	struct spcp8x5_private *priv = usb_get_serial_port_data(port);
 	int ret;
@@ -467,7 +463,7 @@
 
 	/* Setup termios */
 	if (tty)
-		spcp8x5_set_termios(tty, port, &tmp_termios);
+		spcp8x5_set_termios(tty, port, NULL);
 
 	spcp8x5_get_msr(serial->dev, &status, priv->type);
 
@@ -499,7 +495,7 @@
 	priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
 	spin_unlock_irqrestore(&priv->lock, flags);
 	/* wake up the wait for termios */
-	wake_up_interruptible(&priv->delta_msr_wait);
+	wake_up_interruptible(&port->delta_msr_wait);
 
 	if (!urb->actual_length)
 		return;
@@ -549,12 +545,15 @@
 
 	while (1) {
 		/* wake up in bulk read */
-		interruptible_sleep_on(&priv->delta_msr_wait);
+		interruptible_sleep_on(&port->delta_msr_wait);
 
 		/* see if a signal did it */
 		if (signal_pending(current))
 			return -ERESTARTSYS;
 
+		if (port->serial->disconnected)
+			return -EIO;
+
 		spin_lock_irqsave(&priv->lock, flags);
 		status = priv->line_status;
 		spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index b8db69d..d19fa6a 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -77,7 +77,6 @@
 	spinlock_t status_lock;
 	u8 shadowLSR;
 	u8 shadowMSR;
-	wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
 	struct async_icount icount;
 };
 
@@ -386,8 +385,9 @@
 	spin_unlock_irqrestore(&priv->status_lock, flags);
 
 	while (1) {
-		wait_event_interruptible(priv->delta_msr_wait,
-					 ((priv->icount.rng != prev.rng) ||
+		wait_event_interruptible(port->delta_msr_wait,
+					 (port->serial->disconnected ||
+					  (priv->icount.rng != prev.rng) ||
 					  (priv->icount.dsr != prev.dsr) ||
 					  (priv->icount.dcd != prev.dcd) ||
 					  (priv->icount.cts != prev.cts)));
@@ -395,6 +395,9 @@
 		if (signal_pending(current))
 			return -ERESTARTSYS;
 
+		if (port->serial->disconnected)
+			return -EIO;
+
 		spin_lock_irqsave(&priv->status_lock, flags);
 		cur = priv->icount;
 		spin_unlock_irqrestore(&priv->status_lock, flags);
@@ -477,7 +480,6 @@
 	}
 
 	spin_lock_init(&priv->status_lock);
-	init_waitqueue_head(&priv->delta_msr_wait);
 	usb_set_serial_port_data(port, priv);
 
 	return ssu100_initdevice(serial->dev);
@@ -563,7 +565,7 @@
 			priv->icount.dcd++;
 		if (msr & UART_MSR_TERI)
 			priv->icount.rng++;
-		wake_up_interruptible(&priv->delta_msr_wait);
+		wake_up_interruptible(&port->delta_msr_wait);
 	}
 }
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 1b0430e..2575779 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -75,7 +75,6 @@
 	int			tp_flags;
 	int			tp_closing_wait;/* in .01 secs */
 	struct async_icount	tp_icount;
-	wait_queue_head_t	tp_msr_wait;	/* wait for msr change */
 	wait_queue_head_t	tp_write_wait;
 	struct ti_device	*tp_tdev;
 	struct usb_serial_port	*tp_port;
@@ -430,7 +429,6 @@
 		tport->tp_uart_base_addr = (i == 0 ?
 				TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR);
 		tport->tp_closing_wait = closing_wait;
-		init_waitqueue_head(&tport->tp_msr_wait);
 		init_waitqueue_head(&tport->tp_write_wait);
 		if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE,
 								GFP_KERNEL)) {
@@ -827,9 +825,13 @@
 		dbg("%s - (%d) TIOCMIWAIT", __func__, port->number);
 		cprev = tport->tp_icount;
 		while (1) {
-			interruptible_sleep_on(&tport->tp_msr_wait);
+			interruptible_sleep_on(&port->delta_msr_wait);
 			if (signal_pending(current))
 				return -ERESTARTSYS;
+
+			if (port->serial->disconnected)
+				return -EIO;
+
 			cnow = tport->tp_icount;
 			if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
 			    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
@@ -1458,7 +1460,7 @@
 			icount->dcd++;
 		if (msr & TI_MSR_DELTA_RI)
 			icount->rng++;
-		wake_up_interruptible(&tport->tp_msr_wait);
+		wake_up_interruptible(&tport->tp_port->delta_msr_wait);
 		spin_unlock_irqrestore(&tport->tp_lock, flags);
 	}
 
@@ -1685,12 +1687,13 @@
 
 	dbg("%s\n", __func__);
 	/* try ID specific firmware first, then try generic firmware */
-	sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor,
-	    dev->descriptor.idProduct);
+	sprintf(buf, "ti_usb-v%04x-p%04x.fw",
+			le16_to_cpu(dev->descriptor.idVendor),
+			le16_to_cpu(dev->descriptor.idProduct));
 	if ((status = request_firmware(&fw_p, buf, &dev->dev)) != 0) {
 		buf[0] = '\0';
-		if (dev->descriptor.idVendor == MTS_VENDOR_ID) {
-			switch (dev->descriptor.idProduct) {
+		if (le16_to_cpu(dev->descriptor.idVendor) == MTS_VENDOR_ID) {
+			switch (le16_to_cpu(dev->descriptor.idProduct)) {
 			case MTS_CDMA_PRODUCT_ID:
 				strcpy(buf, "mts_cdma.fw");
 				break;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 810695b..a08230e 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -794,29 +794,37 @@
 		if (usb_endpoint_is_bulk_in(endpoint)) {
 			/* we found a bulk in endpoint */
 			dbg("found bulk in on endpoint %d", i);
-			bulk_in_endpoint[num_bulk_in] = endpoint;
-			++num_bulk_in;
+			if (num_bulk_in < MAX_NUM_PORTS) {
+				bulk_in_endpoint[num_bulk_in] = endpoint;
+				++num_bulk_in;
+			}
 		}
 
 		if (usb_endpoint_is_bulk_out(endpoint)) {
 			/* we found a bulk out endpoint */
 			dbg("found bulk out on endpoint %d", i);
-			bulk_out_endpoint[num_bulk_out] = endpoint;
-			++num_bulk_out;
+			if (num_bulk_out < MAX_NUM_PORTS) {
+				bulk_out_endpoint[num_bulk_out] = endpoint;
+				++num_bulk_out;
+			}
 		}
 
 		if (usb_endpoint_is_int_in(endpoint)) {
 			/* we found a interrupt in endpoint */
 			dbg("found interrupt in on endpoint %d", i);
-			interrupt_in_endpoint[num_interrupt_in] = endpoint;
-			++num_interrupt_in;
+			if (num_interrupt_in < MAX_NUM_PORTS) {
+				interrupt_in_endpoint[num_interrupt_in] = endpoint;
+				++num_interrupt_in;
+			}
 		}
 
 		if (usb_endpoint_is_int_out(endpoint)) {
 			/* we found an interrupt out endpoint */
 			dbg("found interrupt out on endpoint %d", i);
-			interrupt_out_endpoint[num_interrupt_out] = endpoint;
-			++num_interrupt_out;
+			if (num_interrupt_out < MAX_NUM_PORTS) {
+				interrupt_out_endpoint[num_interrupt_out] = endpoint;
+				++num_interrupt_out;
+			}
 		}
 	}
 
@@ -839,8 +847,10 @@
 				if (usb_endpoint_is_int_in(endpoint)) {
 					/* we found a interrupt in endpoint */
 					dbg("found interrupt in for Prolific device on separate interface");
-					interrupt_in_endpoint[num_interrupt_in] = endpoint;
-					++num_interrupt_in;
+					if (num_interrupt_in < MAX_NUM_PORTS) {
+						interrupt_in_endpoint[num_interrupt_in] = endpoint;
+						++num_interrupt_in;
+					}
 				}
 			}
 		}
@@ -879,6 +889,11 @@
 			num_ports = type->num_ports;
 	}
 
+	if (num_ports > MAX_NUM_PORTS) {
+		dev_warn(&interface->dev, "too many ports requested: %d\n", num_ports);
+		num_ports = MAX_NUM_PORTS;
+	}
+
 	serial->num_ports = num_ports;
 	serial->num_bulk_in = num_bulk_in;
 	serial->num_bulk_out = num_bulk_out;
@@ -908,6 +923,7 @@
 		port->port.ops = &serial_port_ops;
 		port->serial = serial;
 		spin_lock_init(&port->lock);
+		init_waitqueue_head(&port->delta_msr_wait);
 		/* Keep this for private driver use for the moment but
 		   should probably go away */
 		INIT_WORK(&port->work, usb_serial_port_work);
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 49f3a85..395a555 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -236,8 +236,10 @@
 		    usb_pipeendpoint(this_urb->pipe), i);
 
 		err = usb_autopm_get_interface_async(port->serial->interface);
-		if (err < 0)
+		if (err < 0) {
+			clear_bit(i, &portdata->out_busy);
 			break;
+		}
 
 		/* send the data */
 		memcpy(this_urb->transfer_buffer, buf, todo);
@@ -518,6 +520,14 @@
 	set_bit(TTY_NO_WRITE_SPLIT, &tty->flags);
 	dbg("%s", __func__);
 
+	if (port->interrupt_in_urb) {
+		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+		if (err) {
+			dev_dbg(&port->dev, "%s: submit int urb failed: %d\n",
+				__func__, err);
+		}
+	}
+
 	/* Start reading from the IN endpoint */
 	for (i = 0; i < N_IN_URB; i++) {
 		urb = portdata->in_urbs[i];
@@ -546,12 +556,26 @@
 }
 EXPORT_SYMBOL(usb_wwan_open);
 
+static void unbusy_queued_urb(struct urb *urb,
+					struct usb_wwan_port_private *portdata)
+{
+	int i;
+
+	for (i = 0; i < N_OUT_URB; i++) {
+		if (urb == portdata->out_urbs[i]) {
+			clear_bit(i, &portdata->out_busy);
+			break;
+		}
+	}
+}
+
 void usb_wwan_close(struct usb_serial_port *port)
 {
 	int i;
 	struct usb_serial *serial = port->serial;
 	struct usb_wwan_port_private *portdata;
 	struct usb_wwan_intf_private *intfdata = port->serial->private;
+	struct urb *urb;
 
 	dbg("%s", __func__);
 	portdata = usb_get_serial_port_data(port);
@@ -562,10 +586,19 @@
 		portdata->opened = 0;
 		spin_unlock_irq(&intfdata->susp_lock);
 
+		for (;;) {
+			urb = usb_get_from_anchor(&portdata->delayed);
+			if (!urb)
+				break;
+			unbusy_queued_urb(urb, portdata);
+			usb_autopm_put_interface_async(serial->interface);
+		}
+
 		for (i = 0; i < N_IN_URB; i++)
 			usb_kill_urb(portdata->in_urbs[i]);
 		for (i = 0; i < N_OUT_URB; i++)
 			usb_kill_urb(portdata->out_urbs[i]);
+		usb_kill_urb(port->interrupt_in_urb);
 		/* balancing - important as an error cannot be handled*/
 		usb_autopm_get_interface_no_resume(serial->interface);
 		serial->interface->needs_remote_wakeup = 0;
@@ -641,7 +674,7 @@
 
 int usb_wwan_startup(struct usb_serial *serial)
 {
-	int i, j, err;
+	int i, j;
 	struct usb_serial_port *port;
 	struct usb_wwan_port_private *portdata;
 	u8 *buffer;
@@ -678,12 +711,6 @@
 		}
 
 		usb_set_serial_port_data(port, portdata);
-
-		if (!port->interrupt_in_urb)
-			continue;
-		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
-		if (err)
-			dbg("%s: submit irq_in urb failed %d", __func__, err);
 	}
 	usb_wwan_setup_urbs(serial);
 	return 0;
@@ -769,46 +796,33 @@
 int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message)
 {
 	struct usb_wwan_intf_private *intfdata = serial->private;
-	int b;
 
 	dbg("%s entered", __func__);
 
+	spin_lock_irq(&intfdata->susp_lock);
 	if (PMSG_IS_AUTO(message)) {
-		spin_lock_irq(&intfdata->susp_lock);
-		b = intfdata->in_flight;
-		spin_unlock_irq(&intfdata->susp_lock);
-
-		if (b || pm_runtime_autosuspend_expiration(&serial->dev->dev))
+		if (intfdata->in_flight ||
+				pm_runtime_autosuspend_expiration(&serial->dev->dev)) {
+			spin_unlock_irq(&intfdata->susp_lock);
 			return -EBUSY;
+		}
 	}
 
-	spin_lock_irq(&intfdata->susp_lock);
 	intfdata->suspended = 1;
 	spin_unlock_irq(&intfdata->susp_lock);
+
 	stop_read_write_urbs(serial);
 
 	return 0;
 }
 EXPORT_SYMBOL(usb_wwan_suspend);
 
-static void unbusy_queued_urb(struct urb *urb, struct usb_wwan_port_private *portdata)
-{
-	int i;
-
-	for (i = 0; i < N_OUT_URB; i++) {
-		if (urb == portdata->out_urbs[i]) {
-			clear_bit(i, &portdata->out_busy);
-			break;
-		}
-	}
-}
-
-static void play_delayed(struct usb_serial_port *port)
+static int play_delayed(struct usb_serial_port *port)
 {
 	struct usb_wwan_intf_private *data;
 	struct usb_wwan_port_private *portdata;
 	struct urb *urb;
-	int err;
+	int err = 0;
 
 	portdata = usb_get_serial_port_data(port);
 	data = port->serial->private;
@@ -827,6 +841,8 @@
 			break;
 		}
 	}
+
+	return err;
 }
 
 int usb_wwan_resume(struct usb_serial *serial)
@@ -836,61 +852,53 @@
 	struct usb_wwan_intf_private *intfdata = serial->private;
 	struct usb_wwan_port_private *portdata;
 	struct urb *urb;
-	int err = 0;
+	int err;
+	int err_count = 0;
 
 	dbg("%s entered", __func__);
-	/* get the interrupt URBs resubmitted unconditionally */
-	for (i = 0; i < serial->num_ports; i++) {
-		port = serial->port[i];
-		if (!port->interrupt_in_urb) {
-			dbg("%s: No interrupt URB for port %d", __func__, i);
-			continue;
-		}
-		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
-		dbg("Submitted interrupt URB for port %d (result %d)", i, err);
-		if (err < 0) {
-			err("%s: Error %d for interrupt URB of port%d",
-			    __func__, err, i);
-			goto err_out;
-		}
-	}
 
 	spin_lock_irq(&intfdata->susp_lock);
-	intfdata->suspended = 0;
 	for (i = 0; i < serial->num_ports; i++) {
 		/* walk all ports */
 		port = serial->port[i];
 		portdata = usb_get_serial_port_data(port);
 
 		/* skip closed ports */
-		if (!portdata->opened)
+		if (!portdata || !portdata->opened)
 			continue;
 
+		if (port->interrupt_in_urb) {
+			err = usb_submit_urb(port->interrupt_in_urb,
+					GFP_ATOMIC);
+			if (err) {
+				dev_err(&port->dev,
+					"%s: submit int urb failed: %d\n",
+					__func__, err);
+				err_count++;
+			}
+		}
+
+		err = play_delayed(port);
+		if (err)
+			err_count++;
+
 		for (j = 0; j < N_IN_URB; j++) {
 			urb = portdata->in_urbs[j];
-
-			/* don't re-submit if it already was submitted or if
-			 * it is being processed by in_work */
-			if (urb->anchor || !list_empty(&urb->urb_list))
-				continue;
-
-			usb_anchor_urb(urb, &portdata->submitted);
 			err = usb_submit_urb(urb, GFP_ATOMIC);
 			if (err < 0) {
-				err("%s: Error %d for bulk URB[%d]:%p %d",
-				    __func__, err, j, urb, i);
-				usb_unanchor_urb(urb);
-				intfdata->suspended = 1;
-				spin_unlock_irq(&intfdata->susp_lock);
-				goto err_out;
+				err("%s: Error %d for bulk URB %d",
+				    __func__, err, i);
+				err_count++;
 			}
 		}
-		play_delayed(port);
 	}
+	intfdata->suspended = 0;
 	spin_unlock_irq(&intfdata->susp_lock);
 
-err_out:
-	return err;
+	if (err_count)
+		return -EIO;
+
+	return 0;
 }
 EXPORT_SYMBOL(usb_wwan_resume);
 #endif
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 0d06d7c..bf7014d 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -953,6 +953,10 @@
 		dbg("%s - command_info is NULL, exiting.", __func__);
 		return;
 	}
+	if (!urb->actual_length) {
+		dev_dbg(&urb->dev->dev, "%s - empty response, exiting.\n", __func__);
+		return;
+	}
 	if (status) {
 		dbg("%s - nonzero urb status: %d", __func__, status);
 		if (status != -ENOENT)
@@ -974,7 +978,8 @@
 		/* These are unsolicited reports from the firmware, hence no
 		   waiting command to wakeup */
 		dbg("%s - event received", __func__);
-	} else if (data[0] == WHITEHEAT_GET_DTR_RTS) {
+	} else if ((data[0] == WHITEHEAT_GET_DTR_RTS) &&
+		(urb->actual_length - 1 <= sizeof(command_info->result_buffer))) {
 		memcpy(command_info->result_buffer, &data[1],
 						urb->actual_length - 1);
 		command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c
index fa1ceeb..f3248fb 100644
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -1846,7 +1846,7 @@
 	us->transport_name = "Shuttle USBAT";
 	us->transport = usbat_flash_transport;
 	us->transport_reset = usb_stor_CB_reset;
-	us->max_lun = 1;
+	us->max_lun = 0;
 
 	result = usb_stor_probe2(us);
 	return result;
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index bbe9adb..a280945 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -93,6 +93,12 @@
 		"PhotoSmart R707",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY),
 
+UNUSUAL_DEV(  0x03f3, 0x0001, 0x0000, 0x9999,
+		"Adaptec",
+		"USBConnect 2000",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
 /* Reported by Sebastian Kapfer <sebastian_kapfer@gmx.net>
  * and Olaf Hering <olh@suse.de> (different bcd's, same vendor/product)
  * for USB floppies that need the SINGLE_LUN enforcement.
@@ -226,6 +232,20 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_MAX_SECTORS_64 ),
 
+/* Reported by Daniele Forsi <dforsi@gmail.com> */
+UNUSUAL_DEV(  0x0421, 0x04b9, 0x0350, 0x0350,
+		"Nokia",
+		"5300",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64 ),
+
+/* Patch submitted by Victor A. Santos <victoraur.santos@gmail.com> */
+UNUSUAL_DEV(  0x0421, 0x05af, 0x0742, 0x0742,
+		"Nokia",
+		"305",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64),
+
 /* Patch submitted by Mikhail Zolotaryov <lebon@lebon.org.ua> */
 UNUSUAL_DEV(  0x0421, 0x06aa, 0x1110, 0x1110,
 		"Nokia",
@@ -719,6 +739,12 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_SINGLE_LUN ),
 
+UNUSUAL_DEV(  0x059b, 0x0040, 0x0100, 0x0100,
+		"Iomega",
+		"Jaz USB Adapter",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_SINGLE_LUN ),
+
 /* Reported by <Hendryk.Pfeiffer@gmx.de> */
 UNUSUAL_DEV(  0x059f, 0x0643, 0x0000, 0x0000,
 		"LaCie",
@@ -1091,6 +1117,18 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NOT_LOCKABLE),
 
+UNUSUAL_DEV(  0x085a, 0x0026, 0x0100, 0x0133,
+		"Xircom",
+		"PortGear USB-SCSI (Mac USB Dock)",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
+UNUSUAL_DEV(  0x085a, 0x0028, 0x0100, 0x0133,
+		"Xircom",
+		"PortGear USB to SCSI Converter",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
 /* Submitted by Jan De Luyck <lkml@kcore.org> */
 UNUSUAL_DEV(  0x08bd, 0x1100, 0x0000, 0x0000,
 		"CITIZEN",
@@ -1911,6 +1949,14 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE | US_FL_SANE_SENSE ),
 
+/* Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI)
+ * and Mac USB Dock USB-SCSI */
+UNUSUAL_DEV(  0x1645, 0x0007, 0x0100, 0x0133,
+		"Entrega Technologies",
+		"USB to SCSI Converter",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
 /* Reported by Robert Schedel <r.schedel@yahoo.de>
  * Note: this is a 'super top' device like the above 14cd/6600 device */
 UNUSUAL_DEV(  0x1652, 0x6600, 0x0201, 0x0201,
@@ -1926,6 +1972,12 @@
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ),
 
+UNUSUAL_DEV(  0x1822, 0x0001, 0x0000, 0x9999,
+		"Ariston Technologies",
+		"iConnect USB to SCSI adapter",
+		USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
+		US_FL_SCM_MULT_TARG ),
+
 /* Reported by Hans de Goede <hdegoede@redhat.com>
  * These Appotech controllers are found in Picture Frames, they provide a
  * (buggy) emulation of a cdrom drive which contains the windows software
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c
index f0d546c..ca1031b 100644
--- a/drivers/usb/wusbcore/wa-rpipe.c
+++ b/drivers/usb/wusbcore/wa-rpipe.c
@@ -332,7 +332,10 @@
 	/* FIXME: compute so seg_size > ep->maxpktsize */
 	rpipe->descr.wBlocks = cpu_to_le16(16);		/* given */
 	/* ep0 maxpktsize is 0x200 (WUSB1.0[4.8.1]) */
-	rpipe->descr.wMaxPacketSize = cpu_to_le16(ep->desc.wMaxPacketSize);
+	if (usb_endpoint_xfer_isoc(&ep->desc))
+		rpipe->descr.wMaxPacketSize = epcd->wOverTheAirPacketSize;
+	else
+		rpipe->descr.wMaxPacketSize = ep->desc.wMaxPacketSize;
 	rpipe->descr.bHSHubAddress = 0;			/* reserved: zero */
 	rpipe->descr.bHSHubPort = wusb_port_no_to_idx(urb->dev->portnum);
 	/* FIXME: use maximum speed as supported or recommended by device */
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 57c01ab..5f6df6e 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -90,7 +90,8 @@
 #include "wusbhc.h"
 
 enum {
-	WA_SEGS_MAX = 255,
+	/* [WUSB] section 8.3.3 allocates 7 bits for the segment index. */
+	WA_SEGS_MAX = 128,
 };
 
 enum wa_seg_status {
@@ -444,7 +445,7 @@
 	xfer->seg_size = (xfer->seg_size / maxpktsize) * maxpktsize;
 	xfer->segs = (urb->transfer_buffer_length + xfer->seg_size - 1)
 		/ xfer->seg_size;
-	if (xfer->segs >= WA_SEGS_MAX) {
+	if (xfer->segs > WA_SEGS_MAX) {
 		dev_err(dev, "BUG? ops, number of segments %d bigger than %d\n",
 			(int)(urb->transfer_buffer_length / xfer->seg_size),
 			WA_SEGS_MAX);
diff --git a/drivers/uwb/lc-dev.c b/drivers/uwb/lc-dev.c
index 5241f1d..3c9e929 100644
--- a/drivers/uwb/lc-dev.c
+++ b/drivers/uwb/lc-dev.c
@@ -441,16 +441,19 @@
 	uwb_dev->mac_addr = *bce->mac_addr;
 	uwb_dev->dev_addr = bce->dev_addr;
 	dev_set_name(&uwb_dev->dev, macbuf);
+
+	/* plug the beacon cache */
+	bce->uwb_dev = uwb_dev;
+	uwb_dev->bce = bce;
+	uwb_bce_get(bce);		/* released in uwb_dev_sys_release() */
+
 	result = uwb_dev_add(uwb_dev, &rc->uwb_dev.dev, rc);
 	if (result < 0) {
 		dev_err(dev, "new device %s: cannot instantiate device\n",
 			macbuf);
 		goto error_dev_add;
 	}
-	/* plug the beacon cache */
-	bce->uwb_dev = uwb_dev;
-	uwb_dev->bce = bce;
-	uwb_bce_get(bce);		/* released in uwb_dev_sys_release() */
+
 	dev_info(dev, "uwb device (mac %s dev %s) connected to %s %s\n",
 		 macbuf, devbuf, rc->uwb_dev.dev.parent->bus->name,
 		 dev_name(rc->uwb_dev.dev.parent));
@@ -458,6 +461,8 @@
 	return;
 
 error_dev_add:
+	bce->uwb_dev = NULL;
+	uwb_bce_put(bce);
 	kfree(uwb_dev);
 	return;
 }
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 50a3cb5..3fd908c 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -324,9 +324,13 @@
 			r = -ENOBUFS;
 			goto err;
 		}
-		d = vhost_get_vq_desc(vq->dev, vq, vq->iov + seg,
+		r = vhost_get_vq_desc(vq->dev, vq, vq->iov + seg,
 				      ARRAY_SIZE(vq->iov) - seg, &out,
 				      &in, log, log_num);
+		if (unlikely(r < 0))
+			goto err;
+
+		d = r;
 		if (d == vq->num) {
 			r = 0;
 			goto err;
@@ -351,6 +355,12 @@
 	*iovcount = seg;
 	if (unlikely(log))
 		*log_num = nlogs;
+
+	/* Detect overrun */
+	if (unlikely(datalen > 0)) {
+		r = UIO_MAXIOV + 1;
+		goto err;
+	}
 	return headcount;
 err:
 	vhost_discard_vq_desc(vq, headcount);
@@ -405,6 +415,14 @@
 		/* On error, stop handling until the next kick. */
 		if (unlikely(headcount < 0))
 			break;
+		/* On overrun, truncate and discard */
+		if (unlikely(headcount > UIO_MAXIOV)) {
+			msg.msg_iovlen = 1;
+			err = sock->ops->recvmsg(NULL, sock, &msg,
+						 1, MSG_DONTWAIT | MSG_TRUNC);
+			pr_debug("Discarded rx packet: len %zd\n", sock_len);
+			continue;
+		}
 		/* OK, now we need to know about added descriptors. */
 		if (!headcount) {
 			if (unlikely(vhost_enable_notify(&net->dev, vq))) {
diff --git a/drivers/video/aty/mach64_accel.c b/drivers/video/aty/mach64_accel.c
index e45833c..182bd68 100644
--- a/drivers/video/aty/mach64_accel.c
+++ b/drivers/video/aty/mach64_accel.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/delay.h>
+#include <asm/unaligned.h>
 #include <linux/fb.h>
 #include <video/mach64.h>
 #include "atyfb.h"
@@ -419,7 +420,7 @@
 		u32 *pbitmap, dwords = (src_bytes + 3) / 4;
 		for (pbitmap = (u32*)(image->data); dwords; dwords--, pbitmap++) {
 			wait_for_fifo(1, par);
-			aty_st_le32(HOST_DATA0, le32_to_cpup(pbitmap), par);
+			aty_st_le32(HOST_DATA0, get_unaligned_le32(pbitmap), par);
 		}
 	}
 
diff --git a/drivers/video/aty/mach64_cursor.c b/drivers/video/aty/mach64_cursor.c
index 46f72ed..4b87318 100644
--- a/drivers/video/aty/mach64_cursor.c
+++ b/drivers/video/aty/mach64_cursor.c
@@ -5,6 +5,7 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/string.h>
+#include "../fb_draw.h"
 
 #include <asm/io.h>
 
@@ -157,24 +158,33 @@
 
 	    for (i = 0; i < height; i++) {
 		for (j = 0; j < width; j++) {
+			u16 l = 0xaaaa;
 			b = *src++;
 			m = *msk++;
 			switch (cursor->rop) {
 			case ROP_XOR:
 			    // Upper 4 bits of mask data
-			    fb_writeb(cursor_bits_lookup[(b ^ m) >> 4], dst++);
+			    l = cursor_bits_lookup[(b ^ m) >> 4] |
 			    // Lower 4 bits of mask
-			    fb_writeb(cursor_bits_lookup[(b ^ m) & 0x0f],
-				      dst++);
+				    (cursor_bits_lookup[(b ^ m) & 0x0f] << 8);
 			    break;
 			case ROP_COPY:
 			    // Upper 4 bits of mask data
-			    fb_writeb(cursor_bits_lookup[(b & m) >> 4], dst++);
+			    l = cursor_bits_lookup[(b & m) >> 4] |
 			    // Lower 4 bits of mask
-			    fb_writeb(cursor_bits_lookup[(b & m) & 0x0f],
-				      dst++);
+				    (cursor_bits_lookup[(b & m) & 0x0f] << 8);
 			    break;
 			}
+			/*
+			 * If cursor size is not a multiple of 8 characters
+			 * we must pad it with transparent pattern (0xaaaa).
+			 */
+			if ((j + 1) * 8 > cursor->image.width) {
+				l = comp(l, 0xaaaa,
+				    (1 << ((cursor->image.width & 7) * 2)) - 1);
+			}
+			fb_writeb(l & 0xff, dst++);
+			fb_writeb(l >> 8, dst++);
 		}
 		dst += offset;
 	    }
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 4d2bbd8..dab3a0c 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -211,7 +211,8 @@
 	struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev);
 
 	if (pwmbl->gpio_on != -1) {
-		gpio_set_value(pwmbl->gpio_on, 0);
+		gpio_set_value(pwmbl->gpio_on,
+					0 ^ pwmbl->pdata->on_active_low);
 		gpio_free(pwmbl->gpio_on);
 	}
 	pwm_channel_disable(&pwmbl->pwmc);
diff --git a/drivers/video/cfbcopyarea.c b/drivers/video/cfbcopyarea.c
index bb5a96b..bcb5723 100644
--- a/drivers/video/cfbcopyarea.c
+++ b/drivers/video/cfbcopyarea.c
@@ -43,13 +43,22 @@
      */
 
 static void
-bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
-		const unsigned long __iomem *src, int src_idx, int bits,
+bitcpy(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
+		const unsigned long __iomem *src, unsigned src_idx, int bits,
 		unsigned n, u32 bswapmask)
 {
 	unsigned long first, last;
 	int const shift = dst_idx-src_idx;
-	int left, right;
+
+#if 0
+	/*
+	 * If you suspect bug in this function, compare it with this simple
+	 * memmove implementation.
+	 */
+	fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
+		   (char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
+	return;
+#endif
 
 	first = fb_shifted_pixels_mask_long(p, dst_idx, bswapmask);
 	last = ~fb_shifted_pixels_mask_long(p, (dst_idx+n) % bits, bswapmask);
@@ -98,9 +107,8 @@
 		unsigned long d0, d1;
 		int m;
 
-		right = shift & (bits - 1);
-		left = -shift & (bits - 1);
-		bswapmask &= shift;
+		int const left = shift & (bits - 1);
+		int const right = -shift & (bits - 1);
 
 		if (dst_idx+n <= bits) {
 			// Single destination word
@@ -110,15 +118,15 @@
 			d0 = fb_rev_pixels_in_long(d0, bswapmask);
 			if (shift > 0) {
 				// Single source word
-				d0 >>= right;
+				d0 <<= left;
 			} else if (src_idx+n <= bits) {
 				// Single source word
-				d0 <<= left;
+				d0 >>= right;
 			} else {
 				// 2 source words
 				d1 = FB_READL(src + 1);
 				d1 = fb_rev_pixels_in_long(d1, bswapmask);
-				d0 = d0<<left | d1>>right;
+				d0 = d0 >> right | d1 << left;
 			}
 			d0 = fb_rev_pixels_in_long(d0, bswapmask);
 			FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
@@ -135,60 +143,59 @@
 			if (shift > 0) {
 				// Single source word
 				d1 = d0;
-				d0 >>= right;
-				dst++;
+				d0 <<= left;
 				n -= bits - dst_idx;
 			} else {
 				// 2 source words
 				d1 = FB_READL(src++);
 				d1 = fb_rev_pixels_in_long(d1, bswapmask);
 
-				d0 = d0<<left | d1>>right;
-				dst++;
+				d0 = d0 >> right | d1 << left;
 				n -= bits - dst_idx;
 			}
 			d0 = fb_rev_pixels_in_long(d0, bswapmask);
 			FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
 			d0 = d1;
+			dst++;
 
 			// Main chunk
 			m = n % bits;
 			n /= bits;
 			while ((n >= 4) && !bswapmask) {
 				d1 = FB_READL(src++);
-				FB_WRITEL(d0 << left | d1 >> right, dst++);
+				FB_WRITEL(d0 >> right | d1 << left, dst++);
 				d0 = d1;
 				d1 = FB_READL(src++);
-				FB_WRITEL(d0 << left | d1 >> right, dst++);
+				FB_WRITEL(d0 >> right | d1 << left, dst++);
 				d0 = d1;
 				d1 = FB_READL(src++);
-				FB_WRITEL(d0 << left | d1 >> right, dst++);
+				FB_WRITEL(d0 >> right | d1 << left, dst++);
 				d0 = d1;
 				d1 = FB_READL(src++);
-				FB_WRITEL(d0 << left | d1 >> right, dst++);
+				FB_WRITEL(d0 >> right | d1 << left, dst++);
 				d0 = d1;
 				n -= 4;
 			}
 			while (n--) {
 				d1 = FB_READL(src++);
 				d1 = fb_rev_pixels_in_long(d1, bswapmask);
-				d0 = d0 << left | d1 >> right;
+				d0 = d0 >> right | d1 << left;
 				d0 = fb_rev_pixels_in_long(d0, bswapmask);
 				FB_WRITEL(d0, dst++);
 				d0 = d1;
 			}
 
 			// Trailing bits
-			if (last) {
-				if (m <= right) {
+			if (m) {
+				if (m <= bits - right) {
 					// Single source word
-					d0 <<= left;
+					d0 >>= right;
 				} else {
 					// 2 source words
 					d1 = FB_READL(src);
 					d1 = fb_rev_pixels_in_long(d1,
 								bswapmask);
-					d0 = d0<<left | d1>>right;
+					d0 = d0 >> right | d1 << left;
 				}
 				d0 = fb_rev_pixels_in_long(d0, bswapmask);
 				FB_WRITEL(comp(d0, FB_READL(dst), last), dst);
@@ -202,43 +209,46 @@
      */
 
 static void
-bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx,
-		const unsigned long __iomem *src, int src_idx, int bits,
+bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx,
+		const unsigned long __iomem *src, unsigned src_idx, int bits,
 		unsigned n, u32 bswapmask)
 {
 	unsigned long first, last;
 	int shift;
 
-	dst += (n-1)/bits;
-	src += (n-1)/bits;
-	if ((n-1) % bits) {
-		dst_idx += (n-1) % bits;
-		dst += dst_idx >> (ffs(bits) - 1);
-		dst_idx &= bits - 1;
-		src_idx += (n-1) % bits;
-		src += src_idx >> (ffs(bits) - 1);
-		src_idx &= bits - 1;
-	}
+#if 0
+	/*
+	 * If you suspect bug in this function, compare it with this simple
+	 * memmove implementation.
+	 */
+	fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8,
+		   (char *)src + ((src_idx & (bits - 1))) / 8, n / 8);
+	return;
+#endif
+
+	dst += (dst_idx + n - 1) / bits;
+	src += (src_idx + n - 1) / bits;
+	dst_idx = (dst_idx + n - 1) % bits;
+	src_idx = (src_idx + n - 1) % bits;
 
 	shift = dst_idx-src_idx;
 
-	first = fb_shifted_pixels_mask_long(p, bits - 1 - dst_idx, bswapmask);
-	last = ~fb_shifted_pixels_mask_long(p, bits - 1 - ((dst_idx-n) % bits),
-					    bswapmask);
+	first = ~fb_shifted_pixels_mask_long(p, (dst_idx + 1) % bits, bswapmask);
+	last = fb_shifted_pixels_mask_long(p, (bits + dst_idx + 1 - n) % bits, bswapmask);
 
 	if (!shift) {
 		// Same alignment for source and dest
 
 		if ((unsigned long)dst_idx+1 >= n) {
 			// Single word
-			if (last)
-				first &= last;
-			FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst);
+			if (first)
+				last &= first;
+			FB_WRITEL( comp( FB_READL(src), FB_READL(dst), last), dst);
 		} else {
 			// Multiple destination words
 
 			// Leading bits
-			if (first != ~0UL) {
+			if (first) {
 				FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst);
 				dst--;
 				src--;
@@ -262,7 +272,7 @@
 				FB_WRITEL(FB_READL(src--), dst--);
 
 			// Trailing bits
-			if (last)
+			if (last != -1UL)
 				FB_WRITEL( comp( FB_READL(src), FB_READL(dst), last), dst);
 		}
 	} else {
@@ -270,29 +280,28 @@
 		unsigned long d0, d1;
 		int m;
 
-		int const left = -shift & (bits-1);
-		int const right = shift & (bits-1);
-		bswapmask &= shift;
+		int const left = shift & (bits-1);
+		int const right = -shift & (bits-1);
 
 		if ((unsigned long)dst_idx+1 >= n) {
 			// Single destination word
-			if (last)
-				first &= last;
+			if (first)
+				last &= first;
 			d0 = FB_READL(src);
 			if (shift < 0) {
 				// Single source word
-				d0 <<= left;
+				d0 >>= right;
 			} else if (1+(unsigned long)src_idx >= n) {
 				// Single source word
-				d0 >>= right;
+				d0 <<= left;
 			} else {
 				// 2 source words
 				d1 = FB_READL(src - 1);
 				d1 = fb_rev_pixels_in_long(d1, bswapmask);
-				d0 = d0>>right | d1<<left;
+				d0 = d0 << left | d1 >> right;
 			}
 			d0 = fb_rev_pixels_in_long(d0, bswapmask);
-			FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
+			FB_WRITEL(comp(d0, FB_READL(dst), last), dst);
 		} else {
 			// Multiple destination words
 			/** We must always remember the last value read, because in case
@@ -307,12 +316,12 @@
 			if (shift < 0) {
 				// Single source word
 				d1 = d0;
-				d0 <<= left;
+				d0 >>= right;
 			} else {
 				// 2 source words
 				d1 = FB_READL(src--);
 				d1 = fb_rev_pixels_in_long(d1, bswapmask);
-				d0 = d0>>right | d1<<left;
+				d0 = d0 << left | d1 >> right;
 			}
 			d0 = fb_rev_pixels_in_long(d0, bswapmask);
 			FB_WRITEL(comp(d0, FB_READL(dst), first), dst);
@@ -325,39 +334,39 @@
 			n /= bits;
 			while ((n >= 4) && !bswapmask) {
 				d1 = FB_READL(src--);
-				FB_WRITEL(d0 >> right | d1 << left, dst--);
+				FB_WRITEL(d0 << left | d1 >> right, dst--);
 				d0 = d1;
 				d1 = FB_READL(src--);
-				FB_WRITEL(d0 >> right | d1 << left, dst--);
+				FB_WRITEL(d0 << left | d1 >> right, dst--);
 				d0 = d1;
 				d1 = FB_READL(src--);
-				FB_WRITEL(d0 >> right | d1 << left, dst--);
+				FB_WRITEL(d0 << left | d1 >> right, dst--);
 				d0 = d1;
 				d1 = FB_READL(src--);
-				FB_WRITEL(d0 >> right | d1 << left, dst--);
+				FB_WRITEL(d0 << left | d1 >> right, dst--);
 				d0 = d1;
 				n -= 4;
 			}
 			while (n--) {
 				d1 = FB_READL(src--);
 				d1 = fb_rev_pixels_in_long(d1, bswapmask);
-				d0 = d0 >> right | d1 << left;
+				d0 = d0 << left | d1 >> right;
 				d0 = fb_rev_pixels_in_long(d0, bswapmask);
 				FB_WRITEL(d0, dst--);
 				d0 = d1;
 			}
 
 			// Trailing bits
-			if (last) {
-				if (m <= left) {
+			if (m) {
+				if (m <= bits - left) {
 					// Single source word
-					d0 >>= right;
+					d0 <<= left;
 				} else {
 					// 2 source words
 					d1 = FB_READL(src);
 					d1 = fb_rev_pixels_in_long(d1,
 								bswapmask);
-					d0 = d0>>right | d1<<left;
+					d0 = d0 << left | d1 >> right;
 				}
 				d0 = fb_rev_pixels_in_long(d0, bswapmask);
 				FB_WRITEL(comp(d0, FB_READL(dst), last), dst);
@@ -371,9 +380,9 @@
 	u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
 	u32 height = area->height, width = area->width;
 	unsigned long const bits_per_line = p->fix.line_length*8u;
-	unsigned long __iomem *dst = NULL, *src = NULL;
+	unsigned long __iomem *base = NULL;
 	int bits = BITS_PER_LONG, bytes = bits >> 3;
-	int dst_idx = 0, src_idx = 0, rev_copy = 0;
+	unsigned dst_idx = 0, src_idx = 0, rev_copy = 0;
 	u32 bswapmask = fb_compute_bswapmask(p);
 
 	if (p->state != FBINFO_STATE_RUNNING)
@@ -389,7 +398,7 @@
 
 	// split the base of the framebuffer into a long-aligned address and the
 	// index of the first bit
-	dst = src = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1));
+	base = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1));
 	dst_idx = src_idx = 8*((unsigned long)p->screen_base & (bytes-1));
 	// add offset of source and target area
 	dst_idx += dy*bits_per_line + dx*p->var.bits_per_pixel;
@@ -402,20 +411,14 @@
 		while (height--) {
 			dst_idx -= bits_per_line;
 			src_idx -= bits_per_line;
-			dst += dst_idx >> (ffs(bits) - 1);
-			dst_idx &= (bytes - 1);
-			src += src_idx >> (ffs(bits) - 1);
-			src_idx &= (bytes - 1);
-			bitcpy_rev(p, dst, dst_idx, src, src_idx, bits,
+			bitcpy_rev(p, base + (dst_idx / bits), dst_idx % bits,
+				base + (src_idx / bits), src_idx % bits, bits,
 				width*p->var.bits_per_pixel, bswapmask);
 		}
 	} else {
 		while (height--) {
-			dst += dst_idx >> (ffs(bits) - 1);
-			dst_idx &= (bytes - 1);
-			src += src_idx >> (ffs(bits) - 1);
-			src_idx &= (bytes - 1);
-			bitcpy(p, dst, dst_idx, src, src_idx, bits,
+			bitcpy(p, base + (dst_idx / bits), dst_idx % bits,
+				base + (src_idx / bits), src_idx % bits, bits,
 				width*p->var.bits_per_pixel, bswapmask);
 			dst_idx += bits_per_line;
 			src_idx += bits_per_line;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 5855d17..9d8feac 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -42,6 +42,7 @@
 #include <linux/kd.h>
 #include <linux/slab.h>
 #include <linux/vt_kern.h>
+#include <linux/sched.h>
 #include <linux/selection.h>
 #include <linux/spinlock.h>
 #include <linux/ioport.h>
@@ -1124,11 +1125,15 @@
 
 	if (arg) {
 		if (set)
-			for (i = 0; i < cmapsz; i++)
+			for (i = 0; i < cmapsz; i++) {
 				vga_writeb(arg[i], charmap + i);
+				cond_resched();
+			}
 		else
-			for (i = 0; i < cmapsz; i++)
+			for (i = 0; i < cmapsz; i++) {
 				arg[i] = vga_readb(charmap + i);
+				cond_resched();
+			}
 
 		/*
 		 * In 512-character mode, the character map is not contiguous if
@@ -1139,11 +1144,15 @@
 			charmap += 2 * cmapsz;
 			arg += cmapsz;
 			if (set)
-				for (i = 0; i < cmapsz; i++)
+				for (i = 0; i < cmapsz; i++) {
 					vga_writeb(arg[i], charmap + i);
+					cond_resched();
+				}
 			else
-				for (i = 0; i < cmapsz; i++)
+				for (i = 0; i < cmapsz; i++) {
 					arg[i] = vga_readb(charmap + i);
+					cond_resched();
+				}
 		}
 	}
 
diff --git a/drivers/video/matrox/matroxfb_accel.c b/drivers/video/matrox/matroxfb_accel.c
index 8335a6f..0d5cb85 100644
--- a/drivers/video/matrox/matroxfb_accel.c
+++ b/drivers/video/matrox/matroxfb_accel.c
@@ -192,10 +192,18 @@
 	minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO;
 	if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC;
 	minfo->accel.m_opmode = mopmode;
+	minfo->accel.m_access = maccess;
+	minfo->accel.m_pitch = mpitch;
 }
 
 EXPORT_SYMBOL(matrox_cfbX_init);
 
+static void matrox_accel_restore_maccess(struct matrox_fb_info *minfo)
+{
+	mga_outl(M_MACCESS, minfo->accel.m_access);
+	mga_outl(M_PITCH, minfo->accel.m_pitch);
+}
+
 static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
 			       int sx, int dy, int dx, int height, int width)
 {
@@ -207,7 +215,8 @@
 	CRITBEGIN
 
 	if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
-		mga_fifo(2);
+		mga_fifo(4);
+		matrox_accel_restore_maccess(minfo);
 		mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
 			 M_DWG_BFCOL | M_DWG_REPLACE);
 		mga_outl(M_AR5, vxres);
@@ -215,7 +224,8 @@
 		start = sy*vxres+sx+curr_ydstorg(minfo);
 		end = start+width;
 	} else {
-		mga_fifo(3);
+		mga_fifo(5);
+		matrox_accel_restore_maccess(minfo);
 		mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
 		mga_outl(M_SGN, 5);
 		mga_outl(M_AR5, -vxres);
@@ -224,7 +234,8 @@
 		start = end+width;
 		dy += height-1;
 	}
-	mga_fifo(4);
+	mga_fifo(6);
+	matrox_accel_restore_maccess(minfo);
 	mga_outl(M_AR0, end);
 	mga_outl(M_AR3, start);
 	mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
@@ -246,7 +257,8 @@
 	CRITBEGIN
 
 	if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
-		mga_fifo(2);
+		mga_fifo(4);
+		matrox_accel_restore_maccess(minfo);
 		mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
 			M_DWG_BFCOL | M_DWG_REPLACE);
 		mga_outl(M_AR5, vxres);
@@ -254,7 +266,8 @@
 		start = sy*vxres+sx+curr_ydstorg(minfo);
 		end = start+width;
 	} else {
-		mga_fifo(3);
+		mga_fifo(5);
+		matrox_accel_restore_maccess(minfo);
 		mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
 		mga_outl(M_SGN, 5);
 		mga_outl(M_AR5, -vxres);
@@ -263,7 +276,8 @@
 		start = end+width;
 		dy += height-1;
 	}
-	mga_fifo(5);
+	mga_fifo(7);
+	matrox_accel_restore_maccess(minfo);
 	mga_outl(M_AR0, end);
 	mga_outl(M_AR3, start);
 	mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
@@ -298,7 +312,8 @@
 
 	CRITBEGIN
 
-	mga_fifo(5);
+	mga_fifo(7);
+	matrox_accel_restore_maccess(minfo);
 	mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE);
 	mga_outl(M_FCOL, color);
 	mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
@@ -341,7 +356,8 @@
 	width >>= 1;
 	sx >>= 1;
 	if (width) {
-		mga_fifo(5);
+		mga_fifo(7);
+		matrox_accel_restore_maccess(minfo);
 		mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2);
 		mga_outl(M_FCOL, bgx);
 		mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
@@ -415,7 +431,8 @@
 
 	CRITBEGIN
 
-	mga_fifo(3);
+	mga_fifo(5);
+	matrox_accel_restore_maccess(minfo);
 	if (easy)
 		mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE);
 	else
@@ -425,7 +442,8 @@
 	fxbndry = ((xx + width - 1) << 16) | xx;
 	mmio = minfo->mmio.vbase;
 
-	mga_fifo(6);
+	mga_fifo(8);
+	matrox_accel_restore_maccess(minfo);
 	mga_writel(mmio, M_FXBNDRY, fxbndry);
 	mga_writel(mmio, M_AR0, ar0);
 	mga_writel(mmio, M_AR3, 0);
diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h
index 11ed57b..89a8a89a 100644
--- a/drivers/video/matrox/matroxfb_base.h
+++ b/drivers/video/matrox/matroxfb_base.h
@@ -307,6 +307,8 @@
 #endif
 	u_int32_t	m_dwg_rect;
 	u_int32_t	m_opmode;
+	u_int32_t	m_access;
+	u_int32_t	m_pitch;
 };
 
 struct v4l2_queryctrl;
@@ -696,7 +698,7 @@
 
 #define mga_fifo(n)	do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
 
-#define WaitTillIdle()	do {} while (mga_inl(M_STATUS) & 0x10000)
+#define WaitTillIdle()	do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)
 
 /* code speedup */
 #ifdef CONFIG_FB_MATROX_MILLENIUM
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index b00db40..3e005fa9 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -1187,7 +1187,7 @@
 			break;
 
 		if (regno < 16) {
-			u16 pal;
+			u32 pal;
 			pal = ((red >> (16 - var->red.length)) <<
 					var->red.offset) |
 				((green >> (16 - var->green.length)) <<
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index aba7686..3b15bca 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -192,6 +192,8 @@
 
 	if (var->xres_virtual != var->xres || var->yres_virtual != var->yres)
 		return -EINVAL;
+	if (var->xres * var->yres * (var->bits_per_pixel >> 3) > info->fix.smem_len)
+		return -EINVAL;
 	if (var->nonstd)
 		return -EINVAL;
 	if (1000000000 / var->pixclock > TGA_PLL_MAX_FREQ)
@@ -272,6 +274,7 @@
 	par->yres = info->var.yres;
 	par->pll_freq = pll_freq = 1000000000 / info->var.pixclock;
 	par->bits_per_pixel = info->var.bits_per_pixel;
+	info->fix.line_length = par->xres * (par->bits_per_pixel >> 3);
 
 	tga_type = par->tga_type;
 
@@ -1146,222 +1149,57 @@
 	__raw_writel(TGA_MODE_SBM_24BPP|TGA_MODE_SIMPLE, tga_regs+TGA_MODE_REG);
 }
 
-/* The general case of forward copy in 8bpp mode.  */
-static inline void
-copyarea_foreward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
-		       u32 height, u32 width, u32 line_length)
-{
-	struct tga_par *par = (struct tga_par *) info->par;
-	unsigned long i, copied, left;
-	unsigned long dpos, spos, dalign, salign, yincr;
-	u32 smask_first, dmask_first, dmask_last;
-	int pixel_shift, need_prime, need_second;
-	unsigned long n64, n32, xincr_first;
-	void __iomem *tga_regs;
-	void __iomem *tga_fb;
-
-	yincr = line_length;
-	if (dy > sy) {
-		dy += height - 1;
-		sy += height - 1;
-		yincr = -yincr;
-	}
-
-	/* Compute the offsets and alignments in the frame buffer.
-	   More than anything else, these control how we do copies.  */
-	dpos = dy * line_length + dx;
-	spos = sy * line_length + sx;
-	dalign = dpos & 7;
-	salign = spos & 7;
-	dpos &= -8;
-	spos &= -8;
-
-	/* Compute the value for the PIXELSHIFT register.  This controls
-	   both non-co-aligned source and destination and copy direction.  */
-	if (dalign >= salign)
-		pixel_shift = dalign - salign;
-	else
-		pixel_shift = 8 - (salign - dalign);
-
-	/* Figure out if we need an additional priming step for the
-	   residue register.  */
-	need_prime = (salign > dalign);
-	if (need_prime)
-		dpos -= 8;
-
-	/* Begin by copying the leading unaligned destination.  Copy enough
-	   to make the next destination address 32-byte aligned.  */
-	copied = 32 - (dalign + (dpos & 31));
-	if (copied == 32)
-		copied = 0;
-	xincr_first = (copied + 7) & -8;
-	smask_first = dmask_first = (1ul << copied) - 1;
-	smask_first <<= salign;
-	dmask_first <<= dalign + need_prime*8;
-	if (need_prime && copied > 24)
-		copied -= 8;
-	left = width - copied;
-
-	/* Care for small copies.  */
-	if (copied > width) {
-		u32 t;
-		t = (1ul << width) - 1;
-		t <<= dalign + need_prime*8;
-		dmask_first &= t;
-		left = 0;
-	}
-
-	/* Attempt to use 64-byte copies.  This is only possible if the
-	   source and destination are co-aligned at 64 bytes.  */
-	n64 = need_second = 0;
-	if ((dpos & 63) == (spos & 63)
-	    && (height == 1 || line_length % 64 == 0)) {
-		/* We may need a 32-byte copy to ensure 64 byte alignment.  */
-		need_second = (dpos + xincr_first) & 63;
-		if ((need_second & 32) != need_second)
-			printk(KERN_ERR "tgafb: need_second wrong\n");
-		if (left >= need_second + 64) {
-			left -= need_second;
-			n64 = left / 64;
-			left %= 64;
-		} else
-			need_second = 0;
-	}
-
-	/* Copy trailing full 32-byte sections.  This will be the main
-	   loop if the 64 byte loop can't be used.  */
-	n32 = left / 32;
-	left %= 32;
-
-	/* Copy the trailing unaligned destination.  */
-	dmask_last = (1ul << left) - 1;
-
-	tga_regs = par->tga_regs_base;
-	tga_fb = par->tga_fb_base;
-
-	/* Set up the MODE and PIXELSHIFT registers.  */
-	__raw_writel(TGA_MODE_SBM_8BPP|TGA_MODE_COPY, tga_regs+TGA_MODE_REG);
-	__raw_writel(pixel_shift, tga_regs+TGA_PIXELSHIFT_REG);
-	wmb();
-
-	for (i = 0; i < height; ++i) {
-		unsigned long j;
-		void __iomem *sfb;
-		void __iomem *dfb;
-
-		sfb = tga_fb + spos;
-		dfb = tga_fb + dpos;
-		if (dmask_first) {
-			__raw_writel(smask_first, sfb);
-			wmb();
-			__raw_writel(dmask_first, dfb);
-			wmb();
-			sfb += xincr_first;
-			dfb += xincr_first;
-		}
-
-		if (need_second) {
-			__raw_writel(0xffffffff, sfb);
-			wmb();
-			__raw_writel(0xffffffff, dfb);
-			wmb();
-			sfb += 32;
-			dfb += 32;
-		}
-
-		if (n64 && (((unsigned long)sfb | (unsigned long)dfb) & 63))
-			printk(KERN_ERR
-			       "tgafb: misaligned copy64 (s:%p, d:%p)\n",
-			       sfb, dfb);
-
-		for (j = 0; j < n64; ++j) {
-			__raw_writel(sfb - tga_fb, tga_regs+TGA_COPY64_SRC);
-			wmb();
-			__raw_writel(dfb - tga_fb, tga_regs+TGA_COPY64_DST);
-			wmb();
-			sfb += 64;
-			dfb += 64;
-		}
-
-		for (j = 0; j < n32; ++j) {
-			__raw_writel(0xffffffff, sfb);
-			wmb();
-			__raw_writel(0xffffffff, dfb);
-			wmb();
-			sfb += 32;
-			dfb += 32;
-		}
-
-		if (dmask_last) {
-			__raw_writel(0xffffffff, sfb);
-			wmb();
-			__raw_writel(dmask_last, dfb);
-			wmb();
-		}
-
-		spos += yincr;
-		dpos += yincr;
-	}
-
-	/* Reset the MODE register to normal.  */
-	__raw_writel(TGA_MODE_SBM_8BPP|TGA_MODE_SIMPLE, tga_regs+TGA_MODE_REG);
-}
-
 /* The (almost) general case of backward copy in 8bpp mode.  */
 static inline void
-copyarea_backward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
-		       u32 height, u32 width, u32 line_length,
-		       const struct fb_copyarea *area)
+copyarea_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy,
+	      u32 height, u32 width, u32 line_length,
+	      const struct fb_copyarea *area)
 {
 	struct tga_par *par = (struct tga_par *) info->par;
-	unsigned long i, left, yincr;
-	unsigned long depos, sepos, dealign, sealign;
-	u32 mask_first, mask_last;
-	unsigned long n32;
+	unsigned i, yincr;
+	int depos, sepos, backward, last_step, step;
+	u32 mask_last;
+	unsigned n32;
 	void __iomem *tga_regs;
 	void __iomem *tga_fb;
 
-	yincr = line_length;
-	if (dy > sy) {
-		dy += height - 1;
-		sy += height - 1;
-		yincr = -yincr;
-	}
-
-	/* Compute the offsets and alignments in the frame buffer.
-	   More than anything else, these control how we do copies.  */
-	depos = dy * line_length + dx + width;
-	sepos = sy * line_length + sx + width;
-	dealign = depos & 7;
-	sealign = sepos & 7;
-
-	/* ??? The documentation appears to be incorrect (or very
-	   misleading) wrt how pixel shifting works in backward copy
-	   mode, i.e. when PIXELSHIFT is negative.  I give up for now.
-	   Do handle the common case of co-aligned backward copies,
-	   but frob everything else back on generic code.  */
-	if (dealign != sealign) {
+	/* Do acceleration only if we are aligned on 8 pixels */
+	if ((dx | sx | width) & 7) {
 		cfb_copyarea(info, area);
 		return;
 	}
 
-	/* We begin the copy with the trailing pixels of the
-	   unaligned destination.  */
-	mask_first = (1ul << dealign) - 1;
-	left = width - dealign;
-
-	/* Care for small copies.  */
-	if (dealign > width) {
-		mask_first ^= (1ul << (dealign - width)) - 1;
-		left = 0;
+	yincr = line_length;
+	if (dy > sy) {
+		dy += height - 1;
+		sy += height - 1;
+		yincr = -yincr;
 	}
+	backward = dy == sy && dx > sx && dx < sx + width;
+
+	/* Compute the offsets and alignments in the frame buffer.
+	   More than anything else, these control how we do copies.  */
+	depos = dy * line_length + dx;
+	sepos = sy * line_length + sx;
+	if (backward)
+		depos += width, sepos += width;
 
 	/* Next copy full words at a time.  */
-	n32 = left / 32;
-	left %= 32;
+	n32 = width / 32;
+	last_step = width % 32;
 
 	/* Finally copy the unaligned head of the span.  */
-	mask_last = -1 << (32 - left);
+	mask_last = (1ul << last_step) - 1;
+
+	if (!backward) {
+		step = 32;
+		last_step = 32;
+	} else {
+		step = -32;
+		last_step = -last_step;
+		sepos -= 32;
+		depos -= 32;
+	}
 
 	tga_regs = par->tga_regs_base;
 	tga_fb = par->tga_fb_base;
@@ -1378,25 +1216,33 @@
 
 		sfb = tga_fb + sepos;
 		dfb = tga_fb + depos;
-		if (mask_first) {
-			__raw_writel(mask_first, sfb);
-			wmb();
-			__raw_writel(mask_first, dfb);
-			wmb();
-		}
 
-		for (j = 0; j < n32; ++j) {
-			sfb -= 32;
-			dfb -= 32;
+		for (j = 0; j < n32; j++) {
+			if (j < 2 && j + 1 < n32 && !backward &&
+			    !(((unsigned long)sfb | (unsigned long)dfb) & 63)) {
+				do {
+					__raw_writel(sfb - tga_fb, tga_regs+TGA_COPY64_SRC);
+					wmb();
+					__raw_writel(dfb - tga_fb, tga_regs+TGA_COPY64_DST);
+					wmb();
+					sfb += 64;
+					dfb += 64;
+					j += 2;
+				} while (j + 1 < n32);
+				j--;
+				continue;
+			}
 			__raw_writel(0xffffffff, sfb);
 			wmb();
 			__raw_writel(0xffffffff, dfb);
 			wmb();
+			sfb += step;
+			dfb += step;
 		}
 
 		if (mask_last) {
-			sfb -= 32;
-			dfb -= 32;
+			sfb += last_step - step;
+			dfb += last_step - step;
 			__raw_writel(mask_last, sfb);
 			wmb();
 			__raw_writel(mask_last, dfb);
@@ -1457,14 +1303,9 @@
 	else if (bpp == 32)
 		cfb_copyarea(info, area);
 
-	/* Detect overlapping source and destination that requires
-	   a backward copy.  */
-	else if (dy == sy && dx > sx && dx < sx + width)
-		copyarea_backward_8bpp(info, dx, dy, sx, sy, height,
-				       width, line_length, area);
 	else
-		copyarea_foreward_8bpp(info, dx, dy, sx, sy, height,
-				       width, line_length);
+		copyarea_8bpp(info, dx, dy, sx, sy, height,
+			      width, line_length, area);
 }
 
 
@@ -1480,6 +1321,7 @@
 	int tga_bus_tc = TGA_BUS_TC(par->dev);
 	u8 tga_type = par->tga_type;
 	const char *tga_type_name = NULL;
+	unsigned memory_size;
 
 	switch (tga_type) {
 	case TGA_TYPE_8PLANE:
@@ -1487,21 +1329,25 @@
 			tga_type_name = "Digital ZLXp-E1";
 		if (tga_bus_tc)
 			tga_type_name = "Digital ZLX-E1";
+		memory_size = 2097152;
 		break;
 	case TGA_TYPE_24PLANE:
 		if (tga_bus_pci)
 			tga_type_name = "Digital ZLXp-E2";
 		if (tga_bus_tc)
 			tga_type_name = "Digital ZLX-E2";
+		memory_size = 8388608;
 		break;
 	case TGA_TYPE_24PLUSZ:
 		if (tga_bus_pci)
 			tga_type_name = "Digital ZLXp-E3";
 		if (tga_bus_tc)
 			tga_type_name = "Digital ZLX-E3";
+		memory_size = 16777216;
 		break;
 	default:
 		tga_type_name = "Unknown";
+		memory_size = 16777216;
 		break;
 	}
 
@@ -1513,9 +1359,8 @@
 			    ? FB_VISUAL_PSEUDOCOLOR
 			    : FB_VISUAL_DIRECTCOLOR);
 
-	info->fix.line_length = par->xres * (par->bits_per_pixel >> 3);
 	info->fix.smem_start = (size_t) par->tga_fb_base;
-	info->fix.smem_len = info->fix.line_length * par->yres;
+	info->fix.smem_len = memory_size;
 	info->fix.mmio_start = (size_t) par->tga_regs_base;
 	info->fix.mmio_len = 512;
 
@@ -1640,6 +1485,9 @@
 		modedb_tga = &modedb_tc;
 		modedbsize_tga = 1;
 	}
+
+	tgafb_init_fix(info);
+
 	ret = fb_find_mode(&info->var, info,
 			   mode_option ? mode_option : mode_option_tga,
 			   modedb_tga, modedbsize_tga, NULL,
@@ -1657,7 +1505,6 @@
 	}
 
 	tgafb_set_par(info);
-	tgafb_init_fix(info);
 
 	if (register_framebuffer(info) < 0) {
 		printk(KERN_ERR "tgafb: Could not register framebuffer\n");
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 8807fe5..4366254 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -305,6 +305,12 @@
 		else if (diff < 0)
 			leak_balloon(vb, -diff);
 		update_balloon_size(vb);
+
+		/*
+		 * For large balloon changes, we could spend a lot of time
+		 * and always have work to do.  Be nice if preempt disabled.
+		 */
+		cond_resched();
 	}
 	return 0;
 }
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 40788c9..73705af 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -54,28 +54,29 @@
 	struct w1_netlink_msg *hdr = (struct w1_netlink_msg *)(msg + 1);
 	struct w1_netlink_cmd *cmd = (struct w1_netlink_cmd *)(hdr + 1);
 	int avail;
+	u64 *data;
 
 	/* update kernel slave list */
 	w1_slave_found(dev, rn);
 
 	avail = dev->priv_size - cmd->len;
 
-	if (avail > 8) {
-		u64 *data = (void *)(cmd + 1) + cmd->len;
+	if (avail < 8) {
+		msg->ack++;
+		cn_netlink_send(msg, 0, GFP_KERNEL);
 
-		*data = rn;
-		cmd->len += 8;
-		hdr->len += 8;
-		msg->len += 8;
-		return;
+		msg->len = sizeof(struct w1_netlink_msg) +
+			sizeof(struct w1_netlink_cmd);
+		hdr->len = sizeof(struct w1_netlink_cmd);
+		cmd->len = 0;
 	}
 
-	msg->ack++;
-	cn_netlink_send(msg, 0, GFP_KERNEL);
+	data = (void *)(cmd + 1) + cmd->len;
 
-	msg->len = sizeof(struct w1_netlink_msg) + sizeof(struct w1_netlink_cmd);
-	hdr->len = sizeof(struct w1_netlink_cmd);
-	cmd->len = 0;
+	*data = rn;
+	cmd->len += 8;
+	hdr->len += 8;
+	msg->len += 8;
 }
 
 static int w1_process_search_command(struct w1_master *dev, struct cn_msg *msg,
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index bbb170e..a3b97e0 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -62,7 +62,6 @@
  * @adev: amba device structure of wdt
  * @status: current status of wdt
  * @load_val: load value to be set for current timeout
- * @timeout: current programmed timeout
  */
 struct sp805_wdt {
 	spinlock_t			lock;
@@ -73,7 +72,6 @@
 	#define WDT_BUSY		0
 	#define WDT_CAN_BE_CLOSED	1
 	unsigned int			load_val;
-	unsigned int			timeout;
 };
 
 /* local variables */
@@ -101,7 +99,7 @@
 	spin_lock(&wdt->lock);
 	wdt->load_val = load;
 	/* roundup timeout to closest positive integer value */
-	wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
+	wdd->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
 	spin_unlock(&wdt->lock);
 }
 
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 33dcad6..9161f06 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1422,8 +1422,10 @@
 /* Rebind an evtchn so that it gets delivered to a specific cpu */
 static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
 {
+	struct shared_info *s = HYPERVISOR_shared_info;
 	struct evtchn_bind_vcpu bind_vcpu;
 	int evtchn = evtchn_from_irq(irq);
+	int masked;
 
 	if (!VALID_EVTCHN(evtchn))
 		return -1;
@@ -1440,6 +1442,12 @@
 	bind_vcpu.vcpu = tcpu;
 
 	/*
+	 * Mask the event while changing the VCPU binding to prevent
+	 * it being delivered on an unexpected VCPU.
+	 */
+	masked = sync_test_and_set_bit(evtchn, s->evtchn_mask);
+
+	/*
 	 * If this fails, it usually just indicates that we're dealing with a
 	 * virq or IPI channel, which don't actually need to be rebound. Ignore
 	 * it, but don't do the xenlinux-level rebind in that case.
@@ -1447,6 +1455,9 @@
 	if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0)
 		bind_evtchn_to_cpu(evtchn, tcpu);
 
+	if (!masked)
+		unmask_evtchn(evtchn);
+
 	return 0;
 }
 
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 412b96c..8da1ed1 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -109,16 +109,11 @@
 
 	shutting_down = SHUTDOWN_SUSPEND;
 
-#ifdef CONFIG_PREEMPT
-	/* If the kernel is preemptible, we need to freeze all the processes
-	   to prevent them from being in the middle of a pagetable update
-	   during suspend. */
 	err = freeze_processes();
 	if (err) {
 		printk(KERN_ERR "xen suspend: freeze failed %d\n", err);
 		goto out;
 	}
-#endif
 
 	err = dpm_suspend_start(PMSG_FREEZE);
 	if (err) {
@@ -170,10 +165,8 @@
 	clock_was_set();
 
 out_thaw:
-#ifdef CONFIG_PREEMPT
 	thaw_processes();
 out:
-#endif
 	shutting_down = SHUTDOWN_INVALID;
 }
 #endif	/* CONFIG_HIBERNATE_CALLBACKS */