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

* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (50 commits)
  ide: remove inclusion of non-existent io_trace.h
  ide-disk: add get_smart_data() helper
  ide: fix ->data_phase in taskfile_load_raw()
  ide: check drive->using_dma in flagged_taskfile()
  ide: check ->dma_setup() return value in flagged_taskfile()
  dtc2278: note on docs
  qd65xx: remove pointless qd_{read,write}_reg() (take 2)
  ide: PCI BMDMA initialization fixes (take 2)
  ide: remove stale comments from ide-taskfile.c
  ide: remove dead code from ide_driveid_update()
  ide: use __ide_end_request() in ide_end_dequeued_request()
  ide: enhance ide_setup_pci_noise()
  cs5530: remove needless ide_lock taking
  ide: take ide_lock for prefetch disable/enable in do_special()
  ht6560b: fix deadlock on error handling
  cmd640: fix deadlock on error handling
  slc90e66: fix deadlock on error handling
  opti621: fix deadlock on error handling
  qd65xx: fix deadlock on error handling
  dtc2278: fix deadlock on error handling
  ...

86 files changed, 669 insertions, 970 deletions

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 6d9fd92763f..6eaece96524 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -1056,6 +1056,9 @@ endif
 config BLK_DEV_IDEDMA
 	def_bool BLK_DEV_IDEDMA_PCI || BLK_DEV_IDEDMA_PMAC || BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 
+config IDE_ARCH_OBSOLETE_INIT
+	def_bool ALPHA || (ARM && !ARCH_L7200) || BLACKFIN || X86 || IA64 || M32R || MIPS || PARISC || PPC || (SUPERH64 && BLK_DEV_IDEPCI) || SPARC
+
 endif
 
 config BLK_DEV_HD_ONLY
diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c
index f7449d04114..48db6167bb9 100644
--- a/drivers/ide/arm/bast-ide.c
+++ b/drivers/ide/arm/bast-ide.c
@@ -45,7 +45,7 @@ bastide_register(unsigned int base, unsigned int aux, int irq,
 	hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
 	hw.irq = irq;
 
-	ide_register_hw(&hw, 0, hwif);
+	ide_register_hw(&hw, NULL, 0, hwif);
 
 	return 0;
 }
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index 3af33fbf1f8..410a0d13e35 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -316,27 +316,29 @@ static int icside_dma_end(ide_drive_t *drive)
 
 	drive->waiting_for_dma = 0;
 
-	disable_dma(hwif->hw.dma);
+	disable_dma(state->dev->dma);
 
 	/* Teardown mappings after DMA has completed. */
 	dma_unmap_sg(state->dev, hwif->sg_table, hwif->sg_nents,
 		     hwif->sg_dma_direction);
 
-	return get_dma_residue(hwif->hw.dma) != 0;
+	return get_dma_residue(state->dev->dma) != 0;
 }
 
 static void icside_dma_start(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = HWIF(drive);
+	struct icside_state *state = hwif->hwif_data;
 
 	/* We can not enable DMA on both channels simultaneously. */
-	BUG_ON(dma_channel_active(hwif->hw.dma));
-	enable_dma(hwif->hw.dma);
+	BUG_ON(dma_channel_active(state->dev->dma));
+	enable_dma(state->dev->dma);
 }
 
 static int icside_dma_setup(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = HWIF(drive);
+	struct icside_state *state = hwif->hwif_data;
 	struct request *rq = hwif->hwgroup->rq;
 	unsigned int dma_mode;
 
@@ -348,7 +350,7 @@ static int icside_dma_setup(ide_drive_t *drive)
 	/*
 	 * We can not enable DMA on both channels.
 	 */
-	BUG_ON(dma_channel_active(hwif->hw.dma));
+	BUG_ON(dma_channel_active(state->dev->dma));
 
 	icside_build_sglist(drive, rq);
 
@@ -365,14 +367,14 @@ static int icside_dma_setup(ide_drive_t *drive)
 	/*
 	 * Select the correct timing for this drive.
 	 */
-	set_dma_speed(hwif->hw.dma, drive->drive_data);
+	set_dma_speed(state->dev->dma, drive->drive_data);
 
 	/*
 	 * Tell the DMA engine about the SG table and
 	 * data direction.
 	 */
-	set_dma_sg(hwif->hw.dma, hwif->sg_table, hwif->sg_nents);
-	set_dma_mode(hwif->hw.dma, dma_mode);
+	set_dma_sg(state->dev->dma, hwif->sg_table, hwif->sg_nents);
+	set_dma_mode(state->dev->dma, dma_mode);
 
 	drive->waiting_for_dma = 1;
 
@@ -438,40 +440,16 @@ static void icside_dma_init(ide_hwif_t *hwif)
 #define icside_dma_init(hwif)	(0)
 #endif
 
-static ide_hwif_t *icside_find_hwif(unsigned long dataport)
-{
-	ide_hwif_t *hwif;
-	int index;
-
-	for (index = 0; index < MAX_HWIFS; ++index) {
-		hwif = &ide_hwifs[index];
-		if (hwif->io_ports[IDE_DATA_OFFSET] == dataport)
-			goto found;
-	}
-
-	for (index = 0; index < MAX_HWIFS; ++index) {
-		hwif = &ide_hwifs[index];
-		if (!hwif->io_ports[IDE_DATA_OFFSET])
-			goto found;
-	}
-
-	hwif = NULL;
-found:
-	return hwif;
-}
-
 static ide_hwif_t *
 icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *ec)
 {
 	unsigned long port = (unsigned long)base + info->dataoffset;
 	ide_hwif_t *hwif;
 
-	hwif = icside_find_hwif(port);
+	hwif = ide_find_port(port);
 	if (hwif) {
 		int i;
 
-		memset(&hwif->hw, 0, sizeof(hw_regs_t));
-
 		/*
 		 * Ensure we're using MMIO
 		 */
@@ -479,13 +457,10 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
 		hwif->mmio = 1;
 
 		for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
-			hwif->hw.io_ports[i] = port;
 			hwif->io_ports[i] = port;
 			port += 1 << info->stepping;
 		}
-		hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)base + info->ctrloffset;
 		hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)base + info->ctrloffset;
-		hwif->hw.irq  = ec->irq;
 		hwif->irq     = ec->irq;
 		hwif->noprobe = 0;
 		hwif->chipset = ide_acorn;
@@ -500,6 +475,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 {
 	ide_hwif_t *hwif;
 	void __iomem *base;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
 	if (!base)
@@ -523,9 +499,9 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 
 	state->hwif[0] = hwif;
 
-	probe_hwif_init(hwif);
+	idx[0] = hwif->index;
 
-	ide_proc_register_port(hwif);
+	ide_device_add(idx);
 
 	return 0;
 }
@@ -537,6 +513,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 	void __iomem *ioc_base, *easi_base;
 	unsigned int sel = 0;
 	int ret;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
 	if (!ioc_base) {
@@ -592,7 +569,6 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 	hwif->serialized  = 1;
 	hwif->config_data = (unsigned long)ioc_base;
 	hwif->select_data = sel;
-	hwif->hw.dma      = ec->dma;
 
 	mate->maskproc    = icside_maskproc;
 	mate->channel     = 1;
@@ -601,18 +577,16 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 	mate->serialized  = 1;
 	mate->config_data = (unsigned long)ioc_base;
 	mate->select_data = sel | 1;
-	mate->hw.dma      = ec->dma;
 
 	if (ec->dma != NO_DMA && !request_dma(ec->dma, hwif->name)) {
 		icside_dma_init(hwif);
 		icside_dma_init(mate);
 	}
 
-	probe_hwif_init(hwif);
-	probe_hwif_init(mate);
+	idx[0] = hwif->index;
+	idx[1] = mate->index;
 
-	ide_proc_register_port(hwif);
-	ide_proc_register_port(mate);
+	ide_device_add(idx);
 
 	return 0;
 
diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c
index bce2bec8141..8957cbadf5c 100644
--- a/drivers/ide/arm/ide_arm.c
+++ b/drivers/ide/arm/ide_arm.c
@@ -31,5 +31,5 @@ void __init ide_arm_init(void)
 	memset(&hw, 0, sizeof(hw));
 	ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206);
 	hw.irq = IDE_ARM_IRQ;
-	ide_register_hw(&hw, 1, NULL);
+	ide_register_hw(&hw, NULL, 1, NULL);
 }
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index 83811af1161..0775a3afef4 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -13,42 +13,25 @@
 
 #include <asm/ecard.h>
 
-/*
- * Something like this really should be in generic code, but isn't.
- */
 static ide_hwif_t *
 rapide_locate_hwif(void __iomem *base, void __iomem *ctrl, unsigned int sz, int irq)
 {
 	unsigned long port = (unsigned long)base;
-	ide_hwif_t *hwif;
-	int index, i;
-
-	for (index = 0; index < MAX_HWIFS; ++index) {
-		hwif = ide_hwifs + index;
-		if (hwif->io_ports[IDE_DATA_OFFSET] == port)
-			goto found;
-	}
-
-	for (index = 0; index < MAX_HWIFS; ++index) {
-		hwif = ide_hwifs + index;
-		if (hwif->io_ports[IDE_DATA_OFFSET] == 0)
-			goto found;
-	}
+	ide_hwif_t *hwif = ide_find_port(port);
+	int i;
 
-	return NULL;
+	if (hwif == NULL)
+		goto out;
 
- found:
 	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
-		hwif->hw.io_ports[i] = port;
 		hwif->io_ports[i] = port;
 		port += sz;
 	}
-	hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
 	hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
-	hwif->hw.irq = hwif->irq = irq;
+	hwif->irq = irq;
 	hwif->mmio = 1;
 	default_hwif_mmiops(hwif);
-
+out:
 	return hwif;
 }
 
@@ -58,6 +41,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
 	ide_hwif_t *hwif;
 	void __iomem *base;
 	int ret;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	ret = ecard_request_resources(ec);
 	if (ret)
@@ -74,8 +58,11 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
 		hwif->hwif_data = base;
 		hwif->gendev.parent = &ec->dev;
 		hwif->noprobe = 0;
-		probe_hwif_init(hwif);
-		ide_proc_register_port(hwif);
+
+		idx[0] = hwif->index;
+
+		ide_device_add(idx);
+
 		ecard_set_drvdata(ec, hwif);
 		goto out;
 	}
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 9a96a10ba9d..ff20377b4c8 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -782,7 +782,7 @@ init_e100_ide (void)
 		                ide_offsets,
 		                0, 0, cris_ide_ack_intr,
 		                ide_default_irq(0));
-		ide_register_hw(&hw, 1, &hwif);
+		ide_register_hw(&hw, NULL, 1, &hwif);
 		hwif->mmio = 1;
 		hwif->chipset = ide_etrax100;
 		hwif->set_pio_mode = &cris_set_pio_mode;
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c
index 6d26ad7360d..4a49b5c59ac 100644
--- a/drivers/ide/h8300/ide-h8300.c
+++ b/drivers/ide/h8300/ide-h8300.c
@@ -68,7 +68,6 @@ static inline void hw_setup(hw_regs_t *hw)
 		hw->io_ports[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i;
 	hw->io_ports[IDE_CONTROL_OFFSET] = CONFIG_H8300_IDE_ALT;
 	hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ;
-	hw->dma = NO_DMA;
 	hw->chipset = ide_generic;
 }
 
@@ -101,7 +100,7 @@ void __init h8300_ide_init(void)
 	hw_setup(&hw);
 
 	/* register if */
-	idx = ide_register_hw(&hw, 1, &hwif);
+	idx = ide_register_hw(&hw, NULL, 1, &hwif);
 	if (idx == -1) {
 		printk(KERN_ERR "ide-h8300: IDE I/F register failed\n");
 		return;
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 1d5f6823101..89df48fdc69 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -350,7 +350,7 @@ static int taskfile_load_raw(ide_drive_t *drive,
 
 	memset(&args, 0, sizeof(ide_task_t));
 	args.command_type = IDE_DRIVE_TASK_NO_DATA;
-	args.data_phase   = TASKFILE_IN;
+	args.data_phase   = TASKFILE_NO_DATA;
 	args.handler      = &task_no_data_intr;
 
 	/* convert gtf to IDE Taskfile */
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 2722d9165b6..00123d99527 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -593,28 +593,12 @@ static int smart_enable(ide_drive_t *drive)
 	return ide_raw_taskfile(drive, &args, NULL);
 }
 
-static int get_smart_values(ide_drive_t *drive, u8 *buf)
+static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
 {
 	ide_task_t args;
 
 	memset(&args, 0, sizeof(ide_task_t));
-	args.tfRegister[IDE_FEATURE_OFFSET]	= SMART_READ_VALUES;
-	args.tfRegister[IDE_NSECTOR_OFFSET]	= 0x01;
-	args.tfRegister[IDE_LCYL_OFFSET]	= SMART_LCYL_PASS;
-	args.tfRegister[IDE_HCYL_OFFSET]	= SMART_HCYL_PASS;
-	args.tfRegister[IDE_COMMAND_OFFSET]	= WIN_SMART;
-	args.command_type			= IDE_DRIVE_TASK_IN;
-	args.data_phase				= TASKFILE_IN;
-	args.handler				= &task_in_intr;
-	(void) smart_enable(drive);
-	return ide_raw_taskfile(drive, &args, buf);
-}
-
-static int get_smart_thresholds(ide_drive_t *drive, u8 *buf)
-{
-	ide_task_t args;
-	memset(&args, 0, sizeof(ide_task_t));
-	args.tfRegister[IDE_FEATURE_OFFSET]	= SMART_READ_THRESHOLDS;
+	args.tfRegister[IDE_FEATURE_OFFSET]	= sub_cmd;
 	args.tfRegister[IDE_NSECTOR_OFFSET]	= 0x01;
 	args.tfRegister[IDE_LCYL_OFFSET]	= SMART_LCYL_PASS;
 	args.tfRegister[IDE_HCYL_OFFSET]	= SMART_HCYL_PASS;
@@ -656,7 +640,7 @@ static int proc_idedisk_read_smart_thresholds
 	ide_drive_t	*drive = (ide_drive_t *)data;
 	int		len = 0, i = 0;
 
-	if (!get_smart_thresholds(drive, page)) {
+	if (get_smart_data(drive, page, SMART_READ_THRESHOLDS) == 0) {
 		unsigned short *val = (unsigned short *) page;
 		char *out = ((char *)val) + (SECTOR_WORDS * 4);
 		page = out;
@@ -675,7 +659,7 @@ static int proc_idedisk_read_smart_values
 	ide_drive_t	*drive = (ide_drive_t *)data;
 	int		len = 0, i = 0;
 
-	if (!get_sm