Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (70 commits)
  ide: keep track of number of bytes instead of sectors in struct ide_cmd
  ide: remove ide_execute_pkt_cmd() (v2)
  ide: add ->dma_timer_expiry method and remove ->dma_exec_cmd one (v2)
  ide: set hwif->expiry prior to calling [__]ide_set_handler()
  ide: use do_rw_taskfile() for ATA_CMD_PACKET commands
  ide: pass command to ide_map_sg()
  ide: remove ide_end_request()
  ide: use ide_end_rq() in ide_complete_rq()
  ide: pass number of bytes to complete to ide_complete_rq()
  ide: remove BUG() from ide_complete_rq()
  ide: move rq->errors quirk out from ide_end_request()
  ide: pass error value to ide_complete_rq()
  ide: sanitize ide_end_rq()
  ide: add ide_end_rq() (v2)
  ide: make ide_special_rq() BUG() on unknown requests
  ide: sanitize ide_finish_cmd()
  ide: use ide_complete_cmd() for REQ_UNPARK_HEADS
  ide: use ide_complete_cmd() for head unload commands
  ide: task_error() -> task_error_cmd()
  ide: unify exit paths in task_pio_intr()
  ...

61 files changed, 1418 insertions, 1667 deletions

diff --git a/arch/m68k/include/asm/ide.h b/arch/m68k/include/asm/ide.h
index b996a3c8cff..3958726664b 100644
--- a/arch/m68k/include/asm/ide.h
+++ b/arch/m68k/include/asm/ide.h
@@ -30,101 +30,28 @@
 #define _M68K_IDE_H
 
 #ifdef __KERNEL__
-
-
 #include <asm/setup.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 
-#ifdef CONFIG_ATARI
-#include <linux/interrupt.h>
-#include <asm/atari_stdma.h>
-#endif
-
-#ifdef CONFIG_MAC
-#include <asm/macints.h>
-#endif
-
 /*
  * Get rid of defs from io.h - ide has its private and conflicting versions
  * Since so far no single m68k platform uses ISA/PCI I/O space for IDE, we
  * always use the `raw' MMIO versions
  */
-#undef inb
-#undef inw
-#undef insw
-#undef inl
-#undef insl
-#undef outb
-#undef outw
-#undef outsw
-#undef outl
-#undef outsl
 #undef readb
 #undef readw
-#undef readl
 #undef writeb
 #undef writew
-#undef writel
 
-#define inb				in_8
-#define inw				in_be16
-#define insw(port, addr, n)		raw_insw((u16 *)port, addr, n)
-#define inl				in_be32
-#define insl(port, addr, n)		raw_insl((u32 *)port, addr, n)
-#define outb(val, port)			out_8(port, val)
-#define outw(val, port)			out_be16(port, val)
-#define outsw(port, addr, n)		raw_outsw((u16 *)port, addr, n)
-#define outl(val, port)			out_be32(port, val)
-#define outsl(port, addr, n)		raw_outsl((u32 *)port, addr, n)
 #define readb				in_8
 #define readw				in_be16
 #define __ide_mm_insw(port, addr, n)	raw_insw((u16 *)port, addr, n)
-#define readl				in_be32
 #define __ide_mm_insl(port, addr, n)	raw_insl((u32 *)port, addr, n)
 #define writeb(val, port)		out_8(port, val)
 #define writew(val, port)		out_be16(port, val)
 #define __ide_mm_outsw(port, addr, n)	raw_outsw((u16 *)port, addr, n)
-#define writel(val, port)		out_be32(port, val)
 #define __ide_mm_outsl(port, addr, n)	raw_outsl((u32 *)port, addr, n)
-#if defined(CONFIG_ATARI) || defined(CONFIG_Q40)
-#define insw_swapw(port, addr, n)	raw_insw_swapw((u16 *)port, addr, n)
-#define outsw_swapw(port, addr, n)	raw_outsw_swapw((u16 *)port, addr, n)
-#endif
-
-#ifdef CONFIG_BLK_DEV_FALCON_IDE
-#define IDE_ARCH_LOCK
-
-extern int falconide_intr_lock;
-
-static __inline__ void ide_release_lock (void)
-{
-	if (MACH_IS_ATARI) {
-		if (falconide_intr_lock == 0) {
-			printk("ide_release_lock: bug\n");
-			return;
-		}
-		falconide_intr_lock = 0;
-		stdma_release();
-	}
-}
-
-static __inline__ void
-ide_get_lock(irq_handler_t handler, void *data)
-{
-	if (MACH_IS_ATARI) {
-		if (falconide_intr_lock == 0) {
-			if (in_interrupt() > 0)
-				panic( "Falcon IDE hasn't ST-DMA lock in interrupt" );
-			stdma_lock(handler, data);
-			falconide_intr_lock = 1;
-		}
-	}
-}
-#endif /* CONFIG_BLK_DEV_FALCON_IDE */
-
-#define IDE_ARCH_ACK_INTR
-#define ide_ack_intr(hwif)	((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
 
 #endif /* __KERNEL__ */
 #endif /* _M68K_IDE_H */
diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
index d3513b6b853..d516168464f 100644
--- a/drivers/ide/alim15x3.c
+++ b/drivers/ide/alim15x3.c
@@ -191,17 +191,18 @@ static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed)
 /**
  *	ali15x3_dma_setup	-	begin a DMA phase
  *	@drive:	target device
+ *	@cmd: command
  *
  *	Returns 1 if the DMA cannot be performed, zero on success.
  */
 
-static int ali15x3_dma_setup(ide_drive_t *drive)
+static int ali15x3_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
 {
 	if (m5229_revision < 0xC2 && drive->media != ide_disk) {
-		if (rq_data_dir(drive->hwif->rq))
+		if (cmd->tf_flags & IDE_TFLAG_WRITE)
 			return 1;	/* try PIO instead of DMA */
 	}
-	return ide_dma_setup(drive);
+	return ide_dma_setup(drive, cmd);
 }
 
 /**
@@ -503,11 +504,11 @@ static const struct ide_port_ops ali_port_ops = {
 static const struct ide_dma_ops ali_dma_ops = {
 	.dma_host_set		= ide_dma_host_set,
 	.dma_setup		= ali15x3_dma_setup,
-	.dma_exec_cmd		= ide_dma_exec_cmd,
 	.dma_start		= ide_dma_start,
 	.dma_end		= ide_dma_end,
 	.dma_test_irq		= ide_dma_test_irq,
 	.dma_lost_irq		= ide_dma_lost_irq,
+	.dma_timer_expiry	= ide_dma_sff_timer_expiry,
 	.dma_timeout		= ide_dma_timeout,
 	.dma_sff_read_status	= ide_dma_sff_read_status,
 };
diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c
index 1bb50f46388..27547121daf 100644
--- a/drivers/ide/at91_ide.c
+++ b/drivers/ide/at91_ide.c
@@ -143,7 +143,7 @@ static void apply_timings(const u8 chipselect, const u8 pio,
 	set_smc_timings(chipselect, cycle, setup, pulse, data_float, use_iordy);
 }
 
-static void at91_ide_input_data(ide_drive_t *drive, struct request *rq,
+static void at91_ide_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
 				void *buf, unsigned int len)
 {
 	ide_hwif_t *hwif = drive->hwif;
@@ -156,11 +156,11 @@ static void at91_ide_input_data(ide_drive_t *drive, struct request *rq,
 	len++;
 
 	enter_16bit(chipselect, mode);
-	__ide_mm_insw((void __iomem *) io_ports->data_addr, buf, len / 2);
+	readsw((void __iomem *)io_ports->data_addr, buf, len / 2);
 	leave_16bit(chipselect, mode);
 }
 
-static void at91_ide_output_data(ide_drive_t *drive, struct request *rq,
+static void at91_ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
 				 void *buf, unsigned int len)
 {
 	ide_hwif_t *hwif = drive->hwif;
@@ -171,7 +171,7 @@ static void at91_ide_output_data(ide_drive_t *drive, struct request *rq,
 	pdbg("cs %u buf %p len %d\n", chipselect,  buf, len);
 
 	enter_16bit(chipselect, mode);
-	__ide_mm_outsw((void __iomem *) io_ports->data_addr, buf, len / 2);
+	writesw((void __iomem *)io_ports->data_addr, buf, len / 2);
 	leave_16bit(chipselect, mode);
 }
 
@@ -185,55 +185,55 @@ static void ide_mm_outb(u8 value, unsigned long port)
 	writeb(value, (void __iomem *) port);
 }
 
-static void at91_ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+static void at91_ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
 {
 	ide_hwif_t *hwif = drive->hwif;
 	struct ide_io_ports *io_ports = &hwif->io_ports;
-	struct ide_taskfile *tf = &task->tf;
-	u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
+	struct ide_taskfile *tf = &cmd->tf;
+	u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
 
-	if (task->tf_flags & IDE_TFLAG_FLAGGED)
+	if (cmd->tf_flags & IDE_FTFLAG_FLAGGED)
 		HIHI = 0xFF;
 
-	if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
+	if (cmd->tf_flags & IDE_FTFLAG_OUT_DATA) {
 		u16 data = (tf->hob_data << 8) | tf->data;
 
 		at91_ide_output_data(drive, NULL, &data, 2);
 	}
 
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
 		ide_mm_outb(tf->hob_feature, io_ports->feature_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
 		ide_mm_outb(tf->hob_nsect, io_ports->nsect_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
 		ide_mm_outb(tf->hob_lbal, io_ports->lbal_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
 		ide_mm_outb(tf->hob_lbam, io_ports->lbam_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
 		ide_mm_outb(tf->hob_lbah, io_ports->lbah_addr);
 
-	if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_FEATURE)
 		ide_mm_outb(tf->feature, io_ports->feature_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_NSECT)
 		ide_mm_outb(tf->nsect, io_ports->nsect_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_LBAL)
 		ide_mm_outb(tf->lbal, io_ports->lbal_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_LBAM)
 		ide_mm_outb(tf->lbam, io_ports->lbam_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_LBAH)
 		ide_mm_outb(tf->lbah, io_ports->lbah_addr);
 
-	if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
+	if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
 		ide_mm_outb((tf->device & HIHI) | drive->select, io_ports->device_addr);
 }
 
-static void at91_ide_tf_read(ide_drive_t *drive, ide_task_t *task)
+static void at91_ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
 {
 	ide_hwif_t *hwif = drive->hwif;
 	struct ide_io_ports *io_ports = &hwif->io_ports;
-	struct ide_taskfile *tf = &task->tf;
+	struct ide_taskfile *tf = &cmd->tf;
 
-	if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+	if (cmd->tf_flags & IDE_FTFLAG_IN_DATA) {
 		u16 data;
 
 		at91_ide_input_data(drive, NULL, &data, 2);
@@ -244,31 +244,31 @@ static void at91_ide_tf_read(ide_drive_t *drive, ide_task_t *task)
 	/* be sure we're looking at the low order bits */
 	ide_mm_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
 
-	if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
+	if (cmd->tf_flags & IDE_TFLAG_IN_FEATURE)
 		tf->feature = ide_mm_inb(io_ports->feature_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+	if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
 		tf->nsect  = ide_mm_inb(io_ports->nsect_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+	if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
 		tf->lbal   = ide_mm_inb(io_ports->lbal_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+	if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
 		tf->lbam   = ide_mm_inb(io_ports->lbam_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+	if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
 		tf->lbah   = ide_mm_inb(io_ports->lbah_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+	if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
 		tf->device = ide_mm_inb(io_ports->device_addr);
 
-	if (task->tf_flags & IDE_TFLAG_LBA48) {
+	if (cmd->tf_flags & IDE_TFLAG_LBA48) {
 		ide_mm_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
 
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
 			tf->hob_feature = ide_mm_inb(io_ports->feature_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
 			tf->hob_nsect   = ide_mm_inb(io_ports->nsect_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
 			tf->hob_lbal    = ide_mm_inb(io_ports->lbal_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
 			tf->hob_lbam    = ide_mm_inb(io_ports->lbam_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
 			tf->hob_lbah    = ide_mm_inb(io_ports->lbah_addr);
 	}
 }
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 154ec2cf734..d3a9d6c1532 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -86,13 +86,13 @@ void auide_outsw(unsigned long port, void *addr, u32 count)
 	ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-static void au1xxx_input_data(ide_drive_t *drive, struct request *rq,
+static void au1xxx_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
 			      void *buf, unsigned int len)
 {
 	auide_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
 }
 
-static void au1xxx_output_data(ide_drive_t *drive, struct request *rq,
+static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
 			       void *buf, unsigned int len)
 {
 	auide_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
@@ -209,23 +209,17 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed)
  */
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-static int auide_build_dmatable(ide_drive_t *drive)
+static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd)
 {
-	int i, iswrite, count = 0;
 	ide_hwif_t *hwif = drive->hwif;
-	struct request *rq = hwif->rq;
 	_auide_hwif *ahwif = &auide_hwif;
 	struct scatterlist *sg;
+	int i = cmd->sg_nents, count = 0;
+	int iswrite = !!(cmd->tf_flags & IDE_TFLAG_WRITE);
 
-	iswrite = (rq_data_dir(rq) == WRITE);
 	/* Save for interrupt context */
 	ahwif->drive = drive;
 
-	hwif->sg_nents = i = ide_build_sglist(drive, rq);
-
-	if (!i)
-		return 0;
-
 	/* fill the descriptors */
 	sg = hwif->sg_table;
 	while (i && sg_dma_len(sg)) {
@@ -286,12 +280,7 @@ static int auide_build_dmatable(ide_drive_t *drive)
 
 static int auide_dma_end(ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
-
-	if (hwif->sg_nents) {
-		ide_destroy_dmatable(drive);
-		hwif->sg_nents = 0;
-	}
+	ide_destroy_dmatable(drive);
 
 	return 0;
 }
@@ -301,19 +290,10 @@ static void auide_dma_start(ide_drive_t *drive )
 }
 
 
-static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
+static int auide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
 {
-	/* issue cmd to drive */
-	ide_execute_command(drive, command, &ide_dma_intr,
-			    (2*WAIT_CMD), NULL);
-}
-
-static int auide_dma_setup(ide_drive_t *drive)
-{
-	struct request *rq = drive->hwif->rq;
-
-	if (!auide_build_dmatable(drive)) {
-		ide_map_sg(drive, rq);
+	if (auide_build_dmatable(drive, cmd) == 0) {
+		ide_map_sg(drive, cmd);
 		return 1;
 	}
 
@@ -369,7 +349,6 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de
 static const struct ide_dma_ops au1xxx_dma_ops = {
 	.dma_host_set		= auide_dma_host_set,
 	.dma_setup		= auide_dma_setup,
-	.dma_exec_cmd		= auide_dma_exec_cmd,
 	.dma_start		= auide_dma_start,
 	.dma_end		= auide_dma_end,
 	.dma_test_irq		= auide_dma_test_irq,
diff --git a/drivers/ide/buddha.c b/drivers/ide/buddha.c
index c5a3c9ef6a5..d028f8864bc 100644
--- a/drivers/ide/buddha.c
+++ b/drivers/ide/buddha.c
@@ -143,6 +143,11 @@ static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base,
 	hw->chipset = ide_generic;
 }
 
+static const struct ide_port_info buddha_port_info = {
+	.host_flags		= IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
+	.irq_flags		= IRQF_SHARED,
+};
+
     /*
      *  Probe for a Buddha or Catweasel IDE interface
      */
@@ -172,10 +177,6 @@ static int __init buddha_init(void)
 		
 		board = z->resource.start;
 
-/*
- * FIXME: we now have selectable mmio v/s iomio transports.
- */
-
 		if(type != BOARD_XSURF) {
 			if (!request_mem_region(board+BUDDHA_BASE1, 0x800, "IDE"))
 				continue;
@@ -224,7 +225,7 @@ fail_base2:
 			hws[i] = &hw[i];
 		}
 
-		ide_host_add(NULL, hws, NULL);
+		ide_host_add(&buddha_port_info, hws, NULL);
 	}
 
 	return 0;
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index aeee036b150..bf0e3f47082 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -379,11 +379,11 @@ static const struct ide_port_ops cmd64x_port_ops = {
 static const struct ide_dma_ops cmd64x_dma_ops = {
 	.dma_host_set		= ide_dma_host_set,
 	.dma_setup		= ide_dma_setup,
-	.dma_exec_cmd		= ide_dma_exec_cmd,
 	.dma_start		= ide_dma_start,
 	.dma_end		= cmd64x_dma_end,
 	.dma_test_irq		= cmd64x_dma_test_irq,
 	.dma_lost_irq		= ide_dma_lost_irq,
+	.dma_timer_expiry	= ide_dma_sff_timer_expiry,
 	.dma_timeout		= ide_dma_timeout,
 	.dma_sff_read_status	= ide_dma_sff_read_status,
 };
@@ -391,11 +391,11 @@ static const struct ide_dma_ops cmd64x_dma_ops = {
 static const struct ide_dma_ops cmd646_rev1_dma_ops = {
 	.dma_host_set		= ide_dma_host_set,
 	.dma_setup		= ide_dma_setup,
-	.dma_exec_cmd		= ide_dma_exec_cmd,
 	.dma_start		= ide_dma_start,
 	.dma_end		= cmd646_1_dma_end,
 	.dma_test_irq		= ide_dma_test_irq,
 	.dma_lost_irq		= ide_dma_lost_irq,
+	.dma_timer_expiry	= ide_dma_sff_timer_expiry,
 	.dma_timeout		= ide_dma_timeout,
 	.dma_sff_read_status	= ide_dma_sff_read_status,
 };
@@ -403,11 +403,11 @@ static const struct ide_dma_ops cmd646_rev1_dma_ops = {
 static const struct ide_dma_ops cmd648_dma_ops = {
 	.dma_host_set		= ide_dma_host_set,
 	.dma_setup		= ide_dma_setup,
-	.dma_exec_cmd		= ide_dma_exec_cmd,
 	.dma_start		= ide_dma_start,
 	.dma_end		= cmd648_dma_end,
 	.dma_test_irq		= cmd648_dma_test_irq,
 	.dma_lost_irq		= ide_dma_lost_irq,
+	.dma_timer_expiry	= ide_dma_sff_timer_expiry,
 	.dma_timeout		= ide_dma_timeout,
 	.dma_sff_read_status	= ide_dma_sff_read_status,
 };
diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c
index 7a62db719a4..d5dcf489960 100644
--- a/drivers/ide/cs5536.c
+++ b/drivers/ide/cs5536.c
@@ -231,11 +231,11 @@ static const struct ide_port_ops cs5536_port_ops = {
 static const struct ide_dma_ops cs5536_dma_ops = {
 	.dma_host_set		= ide_dma_host_set,
 	.dma_setup		= ide_dma_setup,
-	.dma_exec_cmd		= ide_dma_exec_cmd,
 	.dma_start		= cs5536_dma_start,
 	.dma_end		= cs5536_dma_end,
 	.dma_test_irq		= ide_dma_test_irq,
 	.dma_lost_irq		= ide_dma_lost_irq,
+	.dma_timer_expiry	= ide_dma_sff_timer_expiry,
 	.dma_timeout		= ide_dma_timeout,
 };
 
diff --git a/drivers/ide/delkin_cb.c b/drivers/ide/delkin_cb.c
index bacb1194c9c..f153b95619b 100644
--- a/drivers/ide/delkin_cb.c
+++ b/drivers/ide/delkin_cb.c
@@ -66,6 +66,7 @@ static const struct ide_port_info delkin_cb_port_info = {
 	.port_ops		= &delkin_cb_port_ops,
 	.host_flags		= IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS |
 				  IDE_HFLAG_NO_DMA,
+	.irq_flags		= IRQF_SHARED,
 	.init_chipset		= delkin_cb_init_chipset,
 };
 
diff --git a/drivers/ide/dtc2278.c b/drivers/ide/dtc2278.c
index 689b2e49341..c6b13812298 100644
--- a/drivers/ide/dtc2278.c
+++ b/drivers/ide/dtc2278.c
@@ -100,7 +100,8 @@ static const struct ide_port_info dtc2278_port_info __initdata = {
 				  IDE_HFLAG_IO_32BIT |
 				  /* disallow ->io_32bit changes */
 				  IDE_HFLAG_NO_IO_32BIT |
-				  IDE_HFLAG_NO_DMA,
+				  IDE_HFLAG_NO_DMA |
+				  IDE_HFLAG_DTC2278,
 	.pio_mask		= ATA_PIO4,
 };
 
diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c
index a638e952d67..b368a5effc3 100644
--- a/drivers/ide/falconide.c
+++ b/drivers/ide/falconide.c
@@ -40,29 +40,48 @@
      *  which is shared between several drivers.
      */
 
-int falconide_intr_lock;
-EXPORT_SYMBOL(falconide_intr_lock);
+static int falconide_intr_lock;
 
-static void falconide_input_data(ide_drive_t *drive, struct request *rq,
+static void falconide_release_lock(void)
+{
+	if (falconide_intr_lock == 0) {
+		printk(KERN_ERR "%s: bug\n", __func__);
+		return;
+	}
+	falconide_intr_lock = 0;
+	stdma_release();
+}
+
+static void falconide_get_lock(irq_handler_t handler, void *data)
+{
+	if (falconide_intr_lock == 0) {
+		if (in_interrupt() > 0)
+			panic("Falcon IDE hasn't ST-DMA lock in interrupt");
+		stdma_lock(handler, data);
+		falconide_intr_lock = 1;
+	}
+}
+
+static void falconide_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
 				 void *buf, unsigned int len)
 {
 	unsigned long data_addr = drive->hwif->io_ports.data_addr;
 
-	if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS)
+	if (drive->media == ide_disk && cmd && (cmd->tf_flags & IDE_TFLAG_FS))
 		return insw(data_addr, buf, (len + 1) / 2);
 
-	insw_swapw(data_addr, buf, (len + 1) / 2);
+	raw_insw_swapw((u16 *)data_addr, buf, (len + 1) / 2);
 }
 
-static void falconide_output_data(ide_drive_