Merge commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126' into msm-3.4

AU_LINUX_ANDROID_ICS.04.00.04.00.126 from msm-3.0.
First parent is from google/android-3.4.

* commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126': (8712 commits)
  PRNG: Device tree entry for qrng device.
  vidc:1080p: Set video core timeout value for Thumbnail mode
  msm: sps: improve the debugging support in SPS driver
  board-8064 msm: Overlap secure and non secure video firmware heaps.
  msm: clock: Add handoff ops for 7x30 and copper XO clocks
  msm_fb: display: Wait for external vsync before DTV IOMMU unmap
  msm: Fix ciruclar dependency in debug UART settings
  msm: gdsc: Add GDSC regulator driver for msm-copper
  defconfig: Enable Mobicore Driver.
  mobicore: Add mobicore driver.
  mobicore: rename variable to lower case.
  mobicore: rename folder.
  mobicore: add makefiles
  mobicore: initial import of kernel driver
  ASoC: msm: Add SLIMBUS_2_RX CPU DAI
  board-8064-gpio: Update FUNC for EPM SPI CS
  msm_fb: display: Remove chicken bit config during video playback
  mmc: msm_sdcc: enable the sanitize capability
  msm-fb: display: lm2 writeback support on mpq platfroms
  msm_fb: display: Disable LVDS phy & pll during panel off
  ...

Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_debugfs.c b/drivers/gpu/msm/kgsl_debugfs.c
new file mode 100644
index 0000000..328dd95
--- /dev/null
+++ b/drivers/gpu/msm/kgsl_debugfs.c
@@ -0,0 +1,88 @@
+/* Copyright (c) 2002,2008-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/debugfs.h>
+
+#include "kgsl.h"
+#include "kgsl_device.h"
+
+/*default log levels is error for everything*/
+#define KGSL_LOG_LEVEL_DEFAULT 3
+#define KGSL_LOG_LEVEL_MAX     7
+
+struct dentry *kgsl_debugfs_dir;
+
+static inline int kgsl_log_set(unsigned int *log_val, void *data, u64 val)
+{
+	*log_val = min((unsigned int)val, (unsigned int)KGSL_LOG_LEVEL_MAX);
+	return 0;
+}
+
+#define KGSL_DEBUGFS_LOG(__log)                         \
+static int __log ## _set(void *data, u64 val)           \
+{                                                       \
+	struct kgsl_device *device = data;              \
+	return kgsl_log_set(&device->__log, data, val); \
+}                                                       \
+static int __log ## _get(void *data, u64 *val)	        \
+{                                                       \
+	struct kgsl_device *device = data;              \
+	*val = device->__log;                           \
+	return 0;                                       \
+}                                                       \
+DEFINE_SIMPLE_ATTRIBUTE(__log ## _fops,                 \
+__log ## _get, __log ## _set, "%llu\n");                \
+
+KGSL_DEBUGFS_LOG(drv_log);
+KGSL_DEBUGFS_LOG(cmd_log);
+KGSL_DEBUGFS_LOG(ctxt_log);
+KGSL_DEBUGFS_LOG(mem_log);
+KGSL_DEBUGFS_LOG(pwr_log);
+
+void kgsl_device_debugfs_init(struct kgsl_device *device)
+{
+	if (kgsl_debugfs_dir && !IS_ERR(kgsl_debugfs_dir))
+		device->d_debugfs = debugfs_create_dir(device->name,
+						       kgsl_debugfs_dir);
+
+	if (!device->d_debugfs || IS_ERR(device->d_debugfs))
+		return;
+
+	device->cmd_log = KGSL_LOG_LEVEL_DEFAULT;
+	device->ctxt_log = KGSL_LOG_LEVEL_DEFAULT;
+	device->drv_log = KGSL_LOG_LEVEL_DEFAULT;
+	device->mem_log = KGSL_LOG_LEVEL_DEFAULT;
+	device->pwr_log = KGSL_LOG_LEVEL_DEFAULT;
+
+	debugfs_create_file("log_level_cmd", 0644, device->d_debugfs, device,
+			    &cmd_log_fops);
+	debugfs_create_file("log_level_ctxt", 0644, device->d_debugfs, device,
+			    &ctxt_log_fops);
+	debugfs_create_file("log_level_drv", 0644, device->d_debugfs, device,
+			    &drv_log_fops);
+	debugfs_create_file("log_level_mem", 0644, device->d_debugfs, device,
+				&mem_log_fops);
+	debugfs_create_file("log_level_pwr", 0644, device->d_debugfs, device,
+				&pwr_log_fops);
+}
+
+void kgsl_core_debugfs_init(void)
+{
+	kgsl_debugfs_dir = debugfs_create_dir("kgsl", 0);
+}
+
+void kgsl_core_debugfs_close(void)
+{
+	debugfs_remove_recursive(kgsl_debugfs_dir);
+}