ide: remove ->ide_dma_check (take 2)
* Add IDE_HFLAG_TRUST_BIOS_FOR_DMA host flag for host drivers that depend
on BIOS for programming device/controller for DMA. Set it in cy82c693,
generic, ns87415, opti621 and trm290 host drivers.
* Add IDE_HFLAG_VDMA host flag for host drivers using VDMA. Set it in cs5520
host driver.
* Teach ide_tune_dma() about IDE_HFLAG_TRUST_BIOS_FOR_DMA flag.
* Add generic ide_dma_check() helper and remove all open coded ->ide_dma_check
implementations. Fix all places checking for presence of ->ide_dma_check
hook to check for ->ide_dma_on instead.
* Remove no longer needed code from config_drive_for_dma().
* Make ide_tune_dma() static.
v2:
* Fix config_drive_for_dma() return values.
* Fix ide-dma.c build for CONFIG_BLK_DEV_IDEDMA_PCI=n by adding
dummy config_drive_for_dma() inline.
* Fix IDE_HFLAG_TRUST_BIOS_FOR_DMA handling in ide_dma_check().
* Fix init_hwif_it8213() comment.
There should be no functionality changes caused by this patch.
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index 91bf5be..97b39ce 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -141,16 +141,6 @@
drive->hwif->set_dma_mode(drive, pio + XFER_PIO_0);
}
-static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static void aec62xx_dma_lost_irq (ide_drive_t *drive)
{
switch (HWIF(drive)->pci_dev->device) {
@@ -214,7 +204,6 @@
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
- hwif->ide_dma_check = &aec62xx_config_drive_xfer_rate;
hwif->dma_lost_irq = &aec62xx_dma_lost_irq;
if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) {
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 9582794..64b28cad 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -437,24 +437,6 @@
}
/**
- * ali15x3_config_drive_for_dma - configure for DMA
- * @drive: drive to configure
- *
- * Configure a drive for DMA operation. If DMA is not possible we
- * drop the drive into PIO mode instead.
- */
-
-static int ali15x3_config_drive_for_dma(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* ali15x3_dma_setup - begin a DMA phase
* @drive: target device
*
@@ -713,7 +695,6 @@
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
- hwif->ide_dma_check = &ali15x3_config_drive_for_dma;
hwif->dma_setup = &ali15x3_dma_setup;
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 6ff4089..6fa5b3f8 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -264,16 +264,6 @@
amd_set_drive(drive, XFER_PIO_0 + pio);
}
-static int amd74xx_ide_dma_check(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
/*
* The initialization callback. Here we determine the IDE chip type
* and initialize its drive independent registers.
@@ -415,7 +405,6 @@
hwif->cbl = ATA_CBL_PATA40;
}
- hwif->ide_dma_check = &amd74xx_ide_dma_check;
if (!noautodma)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index b457df8..1dfd068 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -159,24 +159,6 @@
}
/**
- * atiixp_dma_check - set up an IDE device
- * @drive: IDE drive to configure
- *
- * Set up the ATIIXP interface for the best available speed on this
- * interface, preferring DMA to PIO.
- */
-
-static int atiixp_dma_check(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* init_hwif_atiixp - fill in the hwif for the ATIIXP
* @hwif: IDE interface
*
@@ -215,7 +197,7 @@
hwif->dma_host_on = &atiixp_dma_host_on;
hwif->dma_host_off = &atiixp_dma_host_off;
- hwif->ide_dma_check = &atiixp_dma_check;
+
if (!noautodma)
hwif->autodma = 1;
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index 52790cb..5f421de 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -330,16 +330,6 @@
(void) pci_write_config_byte(dev, pciU, regU);
}
-static int cmd64x_config_drive_for_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static int cmd648_ide_dma_end (ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
@@ -546,8 +536,6 @@
if (dev->device == PCI_DEVICE_ID_CMD_646 && rev < 5)
hwif->ultra_mask = 0x00;
- hwif->ide_dma_check = &cmd64x_config_drive_for_dma;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_cmd64x(hwif);
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index fbce900..74c3e60 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -105,15 +105,6 @@
cs5520_set_pio_mode(drive, 0);
}
-static int cs5520_config_drive_xfer_rate(ide_drive_t *drive)
-{
- /* Tune the drive for PIO modes up to PIO 4 */
- ide_set_max_pio(drive);
-
- /* Then tell the core to use DMA operations */
- return 0;
-}
-
/*
* We provide a callback for our nonstandard DMA location
*/
@@ -148,7 +139,6 @@
return;
}
- hwif->ide_dma_check = &cs5520_config_drive_xfer_rate;
hwif->ide_dma_on = &cs5520_dma_on;
/* ATAPI is harder so leave it for now */
@@ -171,7 +161,8 @@
.init_hwif = init_hwif_cs5520, \
.autodma = AUTODMA, \
.bootable = ON_BOARD, \
- .host_flags = IDE_HFLAG_ISA_PORTS, \
+ .host_flags = IDE_HFLAG_ISA_PORTS | \
+ IDE_HFLAG_VDMA, \
.pio_mask = ATA_PIO4, \
}
diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c
index 1c82cd5..d37db0d 100644
--- a/drivers/ide/pci/cs5530.c
+++ b/drivers/ide/pci/cs5530.c
@@ -104,24 +104,6 @@
return mask;
}
-/**
- * cs5530_config_dma - set DMA/UDMA mode
- * @drive: drive to tune
- *
- * cs5530_config_dma() handles setting of DMA/UDMA mode
- * for both the chipset and drive.
- */
-
-static int cs5530_config_dma(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode)
{
unsigned long basereg;
@@ -288,7 +270,7 @@
hwif->mwdma_mask = 0x07;
hwif->udma_filter = cs5530_udma_filter;
- hwif->ide_dma_check = &cs5530_config_dma;
+
if (!noautodma)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c
index 2a72b4f..4692c39 100644
--- a/drivers/ide/pci/cs5535.c
+++ b/drivers/ide/pci/cs5535.c
@@ -157,16 +157,6 @@
cs5535_set_speed(drive, XFER_PIO_0 + pio);
}
-static int cs5535_dma_check(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static u8 __devinit cs5535_cable_detect(struct pci_dev *dev)
{
u8 bit;
@@ -197,8 +187,6 @@
if (hwif->dma_base == 0)
return;
- hwif->ide_dma_check = &cs5535_dma_check;
-
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x1F;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index dc27802..b8f9842 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -469,7 +469,7 @@
.init_hwif = init_hwif_cy82c693,
.autodma = AUTODMA,
.bootable = ON_BOARD,
- .host_flags = IDE_HFLAG_SINGLE,
+ .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_TRUST_BIOS_FOR_DMA,
.pio_mask = ATA_PIO4,
};
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index 48caa46..e8156c1 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -97,77 +97,92 @@
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 1 */
.name = "NS87410",
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 2 */
.name = "SAMURAI",
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 3 */
.name = "HT6565",
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 4 */
.name = "UM8673F",
.init_hwif = init_hwif_generic,
.autodma = NODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 5 */
.name = "UM8886A",
.init_hwif = init_hwif_generic,
.autodma = NODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 6 */
.name = "UM8886BF",
.init_hwif = init_hwif_generic,
.autodma = NODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 7 */
.name = "HINT_IDE",
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 8 */
.name = "VIA_IDE",
.init_hwif = init_hwif_generic,
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 9 */
.name = "OPTI621V",
.init_hwif = init_hwif_generic,
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 10 */
.name = "VIA8237SATA",
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 11 */
.name = "Piccolo0102",
.init_hwif = init_hwif_generic,
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 12 */
.name = "Piccolo0103",
.init_hwif = init_hwif_generic,
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 13 */
.name = "Piccolo0105",
.init_hwif = init_hwif_generic,
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 14 */
.name = "Revolution",
.init_hwif = init_hwif_generic,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
}
};
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
index 6972488..4491325 100644
--- a/drivers/ide/pci/hpt34x.c
+++ b/drivers/ide/pci/hpt34x.c
@@ -80,16 +80,6 @@
hpt34x_set_mode(drive, XFER_PIO_0 + pio);
}
-static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return -1;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
/*
* If the BIOS does not set the IO base addaress to XX00, 343 will fail.
*/
@@ -156,7 +146,6 @@
hwif->swdma_mask = 0x07;
#endif
- hwif->ide_dma_check = &hpt34x_config_drive_xfer_rate;
if (!noautodma)
hwif->autodma = (pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0;
hwif->drives[0].autodma = hwif->autodma;
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 992b60e..8cb6b74 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -713,16 +713,6 @@
IDE_CONTROL_REG);
}
-static int hpt366_config_drive_xfer_rate(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
/*
* This is specific to the HPT366 UDMA chipset
* by HighPoint|Triones Technologies, Inc.
@@ -1346,8 +1336,6 @@
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = (scr1 & ata66) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
- hwif->ide_dma_check = &hpt366_config_drive_xfer_rate;
-
if (chip_type >= HPT374) {
hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq;
hwif->ide_dma_end = &hpt374_ide_dma_end;
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index 6dab0da..069152d 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -158,32 +158,10 @@
}
/**
- * it8213_configure_drive_for_dma - set up for DMA transfers
- * @drive: drive we are going to set up
- *
- * Set up the drive for DMA, tune the controller and drive as
- * required. If the drive isn't suitable for DMA or we hit
- * other problems then we will drop down to PIO and set up
- * PIO appropriately
- */
-
-static int it8213_config_drive_for_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* init_hwif_it8213 - set up hwif structs
* @hwif: interface to set up
*
- * We do the basic set up of the interface structure. The IT8212
- * requires several custom handlers so we override the default
- * ide DMA handlers appropriately
+ * We do the basic set up of the interface structure.
*/
static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
@@ -208,8 +186,6 @@
pci_read_config_byte(hwif->pci_dev, 0x42, ®42h);
- hwif->ide_dma_check = &it8213_config_drive_for_dma;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = (reg42h & 0x02) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 1b69d82..25595ac 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -416,26 +416,6 @@
}
/**
- * it821x_configure_drive_for_dma - set up for DMA transfers
- * @drive: drive we are going to set up
- *
- * Set up the drive for DMA, tune the controller and drive as
- * required. If the drive isn't suitable for DMA or we hit
- * other problems then we will drop down to PIO and set up
- * PIO appropriately
- */
-
-static int it821x_config_drive_for_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* ata66_it821x - check for 80 pin cable
* @hwif: interface to check
*
@@ -615,8 +595,6 @@
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
- hwif->ide_dma_check = &it821x_config_drive_for_dma;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_it821x(hwif);
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index 582b4ca..e4a4f1f 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -100,24 +100,6 @@
}
/**
- * jmicron_configure_drive_for_dma - set up for DMA transfers
- * @drive: drive we are going to set up
- *
- * As the JMicron snoops for timings all we actually need to do is
- * make sure we don't set an invalid mode.
- */
-
-static int jmicron_config_drive_for_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* init_hwif_jmicron - set up hwif structs
* @hwif: interface to set up
*
@@ -139,8 +121,6 @@
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
- hwif->ide_dma_check = &jmicron_config_drive_for_dma;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_jmicron(hwif);
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index 465c935..422c234 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -274,6 +274,7 @@
.init_hwif = init_hwif_ns87415,
.autodma = AUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
};
static int __devinit ns87415_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 9fa0639..38f8a4c 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -355,6 +355,7 @@
.enablebits = {{0x45,0x80,0x00}, {0x40,0x08,0x00}},
.bootable = ON_BOARD,
.pio_mask = ATA_PIO3,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
},{ /* 1 */
.name = "OPTI621X",
.init_hwif = init_hwif_opti621,
@@ -362,6 +363,7 @@
.enablebits = {{0x45,0x80,0x00}, {0x40,0x08,0x00}},
.bootable = ON_BOARD,
.pio_mask = ATA_PIO3,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
}
};
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 9767232..65e460d 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -223,16 +223,6 @@
return ATA_CBL_PATA80;
}
-static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static int pdcnew_quirkproc(ide_drive_t *drive)
{
const char **list, *model = drive->id->model;
@@ -499,8 +489,6 @@
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
- hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = pdcnew_cable_detect(hwif);
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index b2c7b6e..4efc758 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -179,16 +179,6 @@
outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg);
}
-static int pdc202xx_config_drive_xfer_rate (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static int pdc202xx_quirkproc (ide_drive_t *drive)
{
const char **list, *model = drive->id->model;
@@ -344,7 +334,6 @@
hwif->swdma_mask = 0x07;
hwif->atapi_dma = 1;
- hwif->ide_dma_check = &pdc202xx_config_drive_xfer_rate;
hwif->dma_lost_irq = &pdc202xx_dma_lost_irq;
hwif->dma_timeout = &pdc202xx_dma_timeout;
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index dcb0701f..d5a31e9 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -255,24 +255,6 @@
}
/**
- * piix_config_drive_xfer_rate - set up an IDE device
- * @drive: IDE drive to configure
- *
- * Set up the PIIX interface for the best available speed on this
- * interface, preferring DMA to PIO.
- */
-
-static int piix_config_drive_xfer_rate (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* piix_is_ichx - check if ICHx
* @dev: PCI device to check
*
@@ -432,7 +414,6 @@
if (no_piix_dma)
hwif->ultra_mask = hwif->mwdma_mask = hwif->swdma_mask = 0;
- hwif->ide_dma_check = &piix_config_drive_xfer_rate;
if (!noautodma)
hwif->autodma = 1;
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 184249e..38cfc8c 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -199,21 +199,6 @@
}
}
-/*
- * sc1200_config_dma() handles selection/setting of DMA/UDMA modes
- * for both the chipset and drive.
- */
-static int sc1200_config_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-
/* Replacement for the standard ide_dma_end action in
* dma_proc.
*
@@ -391,7 +376,6 @@
return;
hwif->udma_filter = sc1200_udma_filter;
- hwif->ide_dma_check = &sc1200_config_dma;
hwif->ide_dma_end = &sc1200_ide_dma_end;
if (!noautodma)
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index f839bde..977b48e 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -284,27 +284,6 @@
}
/**
- * scc_configure_drive_for_dma - set up for DMA transfers
- * @drive: drive we are going to set up
- *
- * Set up the drive for DMA, tune the controller and drive as
- * required.
- * If the drive isn't suitable for DMA or we hit other problems
- * then we will drop down to PIO and set up PIO appropriately.
- * (return -1)
- */
-
-static int scc_config_drive_for_dma(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/**
* scc_ide_dma_setup - begin a DMA phase
* @drive: target device
*
@@ -701,7 +680,6 @@
hwif->ide_dma_end = scc_ide_dma_end;
hwif->set_pio_mode = scc_set_pio_mode;
hwif->set_dma_mode = scc_set_dma_mode;
- hwif->ide_dma_check = scc_config_drive_for_dma;
hwif->ide_dma_test_irq = scc_dma_test_irq;
hwif->udma_filter = scc_udma_filter;
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 4666e4c..c0d82d2 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -196,16 +196,6 @@
pci_write_config_byte(dev, 0x54, ultra_enable);
}
-static int svwks_config_drive_xfer_rate (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const char *name)
{
unsigned int reg;
@@ -392,7 +382,6 @@
if (!hwif->dma_base)
return;
- hwif->ide_dma_check = &svwks_config_drive_xfer_rate;
if (hwif->pci_dev->device != PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_svwks(hwif);
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index c74fef6..210f32d 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -296,20 +296,6 @@
{
}
-static int sgiioc4_ide_dma_check(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- /*
- * ->set_pio_mode is not implemented currently
- * so this is just for the completness
- */
- ide_set_max_pio(drive);
-
- return -1;
-}
-
/* returns 1 if dma irq issued, 0 otherwise */
static int
sgiioc4_ide_dma_test_irq(ide_drive_t * drive)
@@ -612,7 +598,6 @@
hwif->dma_setup = &sgiioc4_ide_dma_setup;
hwif->dma_start = &sgiioc4_ide_dma_start;
hwif->ide_dma_end = &sgiioc4_ide_dma_end;
- hwif->ide_dma_check = &sgiioc4_ide_dma_check;
hwif->ide_dma_on = &sgiioc4_ide_dma_on;
hwif->dma_off_quietly = &sgiioc4_dma_off_quietly;
hwif->ide_dma_test_irq = &sgiioc4_ide_dma_test_irq;
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 8be36f3..9e03bc7 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -311,26 +311,6 @@
}
}
-/**
- * siimage_configure_drive_for_dma - set up for DMA transfers
- * @drive: drive we are going to set up
- *
- * Set up the drive for DMA, tune the controller and drive as
- * required. If the drive isn't suitable for DMA or we hit
- * other problems then we will drop down to PIO and set up
- * PIO appropriately
- */
-
-static int siimage_config_drive_for_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
/* returns 1 if dma irq issued, 0 otherwise */
static int siimage_io_ide_dma_test_irq (ide_drive_t *drive)
{
@@ -924,8 +904,6 @@
if (!is_sata(hwif))
hwif->atapi_dma = 1;
- hwif->ide_dma_check = &siimage_config_drive_for_dma;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_siimage(hwif);
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 5458c56..45666b4 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -601,16 +601,6 @@
}
}
-static int sis5513_config_xfer_rate(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static u8 sis5513_ata133_udma_filter(ide_drive_t *drive)
{
struct pci_dev *dev = drive->hwif->pci_dev;
@@ -847,8 +837,6 @@
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_sis5513(hwif);
- hwif->ide_dma_check = &sis5513_config_xfer_rate;
-
if (!noautodma)
hwif->autodma = 1;
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 245eac0..c9090fa 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -145,21 +145,6 @@
}
/*
- * Check to see if the drive and chipset are capable of DMA mode.
- */
-static int sl82c105_ide_dma_check(ide_drive_t *drive)
-{
- DBG(("sl82c105_ide_dma_check(drive:%s)\n", drive->name));
-
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
-/*
* The SL82C105 holds off all IDE interrupts while in DMA mode until
* all DMA activity is completed. Sometimes this causes problems (eg,
* when the drive wants to report an error condition).
@@ -406,7 +391,6 @@
hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
- hwif->ide_dma_check = &sl82c105_ide_dma_check;
hwif->ide_dma_on = &sl82c105_ide_dma_on;
hwif->dma_off_quietly = &sl82c105_dma_off_quietly;
hwif->dma_lost_irq = &sl82c105_dma_lost_irq;
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 41c5c57..bf21f1d 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -130,16 +130,6 @@
slc90e66_set_pio_mode(drive, pio);
}
-static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
{
u8 reg47 = 0;
@@ -170,8 +160,6 @@
/* bit[0(1)]: 0:80, 1:40 */
hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
- hwif->ide_dma_check = &slc90e66_config_drive_xfer_rate;
-
if (!noautodma)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c
index e66e788..7df57d4 100644
--- a/drivers/ide/pci/tc86c001.c
+++ b/drivers/ide/pci/tc86c001.c
@@ -162,16 +162,6 @@
return 0;
}
-static int tc86c001_config_drive_xfer_rate(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static void __devinit init_hwif_tc86c001(ide_hwif_t *hwif)
{
unsigned long sc_base = pci_resource_start(hwif->pci_dev, 5);
@@ -212,7 +202,6 @@
hwif->ultra_mask = 0x1f;
hwif->mwdma_mask = 0x07;
- hwif->ide_dma_check = &tc86c001_config_drive_xfer_rate;
hwif->dma_start = &tc86c001_dma_start;
if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index 54e411d..921c410 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -96,16 +96,6 @@
triflex_set_mode(drive, XFER_PIO_0 + pio);
}
-static int triflex_config_drive_xfer_rate(ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static void __devinit init_hwif_triflex(ide_hwif_t *hwif)
{
hwif->set_pio_mode = &triflex_set_pio_mode;
@@ -117,7 +107,6 @@
hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
- hwif->ide_dma_check = &triflex_config_drive_xfer_rate;
if (!noautodma)
hwif->autodma = 1;
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index dc4f4e2..f227a05 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -329,6 +329,7 @@
.init_hwif = init_hwif_trm290,
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
};
static int __devinit trm290_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 479e496..c199f88 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -197,24 +197,6 @@
via_set_drive(drive, XFER_PIO_0 + pio);
}
-/**
- * via82cxxx_ide_dma_check - set up for DMA if possible
- * @drive: IDE drive to set up
- *
- * Set up the drive for the highest supported speed considering the
- * driver, controller and cable
- */
-
-static int via82cxxx_ide_dma_check (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- ide_set_max_pio(drive);
-
- return -1;
-}
-
static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
{
struct via_isa_bridge *via_config;
@@ -473,7 +455,6 @@
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = via82cxxx_cable_detect(hwif);
- hwif->ide_dma_check = &via82cxxx_ide_dma_check;
if (!noautodma)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;