All of lore.kernel.org
 help / color / mirror / Atom feed
* [git patches] IDE updates (part 5)
@ 2007-10-19 22:48 Bartlomiej Zolnierkiewicz
  0 siblings, 0 replies; only message in thread
From: Bartlomiej Zolnierkiewicz @ 2007-10-19 22:48 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: linux-ide, linux-kernel


Hi,

This is the final part, contains:

* important bugfix from Adrian Bunk for sis5513 host driver
  (for the bug introduced in one of the previous updates)

* more small fixups/cleanups


Please pull from:

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

to receive the following updates:

 drivers/ide/Kconfig                 |    3 +
 drivers/ide/arm/bast-ide.c          |    2 +-
 drivers/ide/arm/icside.c            |   62 +++--------
 drivers/ide/arm/ide_arm.c           |    2 +-
 drivers/ide/arm/rapide.c            |   37 ++-----
 drivers/ide/cris/ide-cris.c         |    2 +-
 drivers/ide/h8300/ide-h8300.c       |    3 +-
 drivers/ide/ide-acpi.c              |    2 +-
 drivers/ide/ide-disk.c              |   24 +----
 drivers/ide/ide-dma.c               |   32 ++----
 drivers/ide/ide-io.c                |   59 ++++------
 drivers/ide/ide-iops.c              |   26 +----
 drivers/ide/ide-pnp.c               |    3 +-
 drivers/ide/ide-probe.c             |   87 ++++++++-------
 drivers/ide/ide-proc.c              |    2 -
 drivers/ide/ide-tape.c              |    1 -
 drivers/ide/ide-taskfile.c          |   37 ++-----
 drivers/ide/ide.c                   |   73 ++++++++-----
 drivers/ide/legacy/ali14xx.c        |   13 +--
 drivers/ide/legacy/buddha.c         |    4 +-
 drivers/ide/legacy/dtc2278.c        |   16 ++--
 drivers/ide/legacy/falconide.c      |    2 +-
 drivers/ide/legacy/gayle.c          |    2 +-
 drivers/ide/legacy/ht6560b.c        |   33 +++---
 drivers/ide/legacy/ide-cs.c         |    2 +-
 drivers/ide/legacy/ide_platform.c   |   43 +++-----
 drivers/ide/legacy/macide.c         |    6 +-
 drivers/ide/legacy/q40ide.c         |    5 +-
 drivers/ide/legacy/qd65xx.c         |   64 ++++--------
 drivers/ide/legacy/umc8672.c        |    9 +-
 drivers/ide/mips/au1xxx-ide.c       |   19 ++--
 drivers/ide/mips/swarm.c            |   14 +--
 drivers/ide/pci/aec62xx.c           |   25 +----
 drivers/ide/pci/alim15x3.c          |  109 +++++++++----------
 drivers/ide/pci/amd74xx.c           |   29 ++---
 drivers/ide/pci/atiixp.c            |    3 +-
 drivers/ide/pci/cmd640.c            |   42 ++++----
 drivers/ide/pci/cmd64x.c            |    6 +-
 drivers/ide/pci/cs5520.c            |   26 +----
 drivers/ide/pci/cs5530.c            |   10 +--
 drivers/ide/pci/cs5535.c            |    2 +-
 drivers/ide/pci/cy82c693.c          |    4 +-
 drivers/ide/pci/delkin_cb.c         |    2 +-
 drivers/ide/pci/generic.c           |   31 ++----
 drivers/ide/pci/hpt34x.c            |    4 +-
 drivers/ide/pci/hpt366.c            |    4 +-
 drivers/ide/pci/it8213.c            |    2 +-
 drivers/ide/pci/it821x.c            |    2 +-
 drivers/ide/pci/jmicron.c           |    2 +-
 drivers/ide/pci/ns87415.c           |    2 +-
 drivers/ide/pci/opti621.c           |   10 +-
 drivers/ide/pci/pdc202xx_new.c      |    4 +-
 drivers/ide/pci/pdc202xx_old.c      |   22 ++---
 drivers/ide/pci/piix.c              |    6 +-
 drivers/ide/pci/rz1000.c            |    7 +-
 drivers/ide/pci/sc1200.c            |    2 +-
 drivers/ide/pci/scc_pata.c          |   11 +-
 drivers/ide/pci/serverworks.c       |   11 +--
 drivers/ide/pci/sgiioc4.c           |   16 ++--
 drivers/ide/pci/siimage.c           |   92 ++++++++---------
 drivers/ide/pci/sis5513.c           |    4 +-
 drivers/ide/pci/sl82c105.c          |   14 +--
 drivers/ide/pci/slc90e66.c          |   10 +-
 drivers/ide/pci/tc86c001.c          |    2 +-
 drivers/ide/pci/triflex.c           |    2 +-
 drivers/ide/pci/trm290.c            |    4 +-
 drivers/ide/pci/via82cxxx.c         |   81 ++++++--------
 drivers/ide/ppc/mpc8xx.c            |    4 +-
 drivers/ide/ppc/pmac.c              |   12 ++-
 drivers/ide/setup-pci.c             |  202 +++++++++++++++--------------------
 drivers/macintosh/mediabay.c        |    2 +-
 include/asm-alpha/ide.h             |    1 -
 include/asm-arm/ide.h               |    1 -
 include/asm-blackfin/ide.h          |    1 -
 include/asm-cris/arch-v32/ide.h     |    2 +-
 include/asm-ia64/ide.h              |    1 -
 include/asm-m32r/ide.h              |    1 -
 include/asm-m68k/ide.h              |    2 +-
 include/asm-mips/mach-generic/ide.h |    1 -
 include/asm-parisc/ide.h            |    1 -
 include/asm-powerpc/ide.h           |    3 +-
 include/asm-sh64/ide.h              |    1 -
 include/asm-sparc/ide.h             |    1 -
 include/asm-sparc64/ide.h           |    1 -
 include/asm-x86/ide.h               |    1 -
 include/linux/ide.h                 |  109 ++++++-------------
 86 files changed, 669 insertions(+), 970 deletions(-)


Adrian Bunk (1):
      ide/pci/sis5513.c: add missing "else"

Alan Cox (1):
      dtc2278: note on docs

Bartlomiej Zolnierkiewicz (47):
      cmd64x: always set hwif->chipset for CMD646
      ide: fix disabled ports reporting for PCI controllers
      rz1000: set serialized flag only if mate interface exists
      serverworks: remove dead code from svwks_set_dma_mode()
      ide: add hwif_register_devices() helper
      ide: remove unused ->next field from ide_pci_device_t
      ide: add ->chipset field to ide_pci_device_t
      ide: add IDE_HFLAG_FORCE_LEGACY_IRQS host flag
      ide: add IDE_HFLAG_RQSIZE_256 host flag
      ide: add IDE_HFLAG_{IO_32BIT,UNMASK_IRQS} host flags
      alim15x3: fix CD_ROM DMA and PIO FIFO settings setup
      alim15x3: use ->host_flags and ->udma_mask fields from ide_pci_device_t
      aec62xx: remove aec62xx_dma_lost_irq()
      siimage: separate PATA and SATA methods
      ide: add ->fixup method to ide_hwif_t
      ide: add ide_device_add()
      ide: add ide_find_port() helper
      ide: remove redundant comments from ide.h
      ide: add CONFIG_IDE_ARCH_OBSOLETE_INIT
      ide: fix ide_register_hw() to check hwif->io_ports[]
      icside: use ec->dma directly
      ide: add hwif->ack_intr hook
      ide: remove write-only hwif->hw
      au1xxx-ide: set ->autotune and ->no_io_32bit also for the slave device
      dtc2278: set ->pio_mask also for the second port
      via82cxxx: keep local ide_pci_device_t copy
      ide: replace ide_pci_device_t by struct ide_port_info
      ide: constify struct ide_port_info
      ali14xx: fix deadlock on error handling
      dtc2278: fix deadlock on error handling
      qd65xx: fix deadlock on error handling
      opti621: fix deadlock on error handling
      slc90e66: fix deadlock on error handling
      cmd640: fix deadlock on error handling
      ht6560b: fix deadlock on error handling
      ide: take ide_lock for prefetch disable/enable in do_special()
      cs5530: remove needless ide_lock taking
      ide: enhance ide_setup_pci_noise()
      ide: use __ide_end_request() in ide_end_dequeued_request()
      ide: remove dead code from ide_driveid_update()
      ide: remove stale comments from ide-taskfile.c
      ide: PCI BMDMA initialization fixes (take 2)
      qd65xx: remove pointless qd_{read,write}_reg() (take 2)
      ide: check ->dma_setup() return value in flagged_taskfile()
      ide: check drive->using_dma in flagged_taskfile()
      ide: fix ->data_phase in taskfile_load_raw()
      ide-disk: add get_smart_data() helper

Robert P. J. Day (1):
      ide: remove inclusion of non-existent io_trace.h


diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 6d9fd92..6eaece9 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 f7449d0..48db616 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 3af33fb..410a0d1 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 bce2bec..8957cba 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 83811af..0775a3a 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 9a96a10..ff20377 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 6d26ad7..4a49b5c 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 1d5f682..89df48f 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 2722d91..00123d9 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_smart_values(drive, page)) {
+	if (get_smart_data(drive, page, SMART_READ_VALUES) == 0) {
 		unsigned short *val = (unsigned short *) page;
 		char *out = ((char *)val) + (SECTOR_WORDS * 4);
 		page = out;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 80b4f17..428f7a8 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -901,10 +901,7 @@ void ide_dma_timeout (ide_drive_t *drive)
 
 EXPORT_SYMBOL(ide_dma_timeout);
 
-/*
- * Needed for allowing full modular support of ide-driver
- */
-static int ide_release_dma_engine(ide_hwif_t *hwif)
+static void ide_release_dma_engine(ide_hwif_t *hwif)
 {
 	if (hwif->dmatable_cpu) {
 		pci_free_consistent(hwif->pci_dev,
@@ -913,7 +910,6 @@ static int ide_release_dma_engine(ide_hwif_t *hwif)
 				    hwif->dmatable_dma);
 		hwif->dmatable_cpu = NULL;
 	}
-	return 1;
 }
 
 static int ide_release_iomio_dma(ide_hwif_t *hwif)
@@ -956,12 +952,6 @@ static int ide_mapped_mmio_dma(ide_hwif_t *hwif, unsigned long base, unsigned in
 {
 	printk(KERN_INFO "    %s: MMIO-DMA ", hwif->name);
 
- 	hwif->dma_base = base;
-
-	if(hwif->mate)
-		hwif->dma_master = (hwif->channel) ? hwif->mate->dma_base : base;
-	else
-		hwif->dma_master = base;
 	return 0;
 }
 
@@ -975,8 +965,6 @@ static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base, unsigned int port
 		return 1;
 	}
 
-	hwif->dma_base = base;
-
 	if (hwif->cds->extra) {
 		hwif->extra_base = base + (hwif->channel ? 8 : 16);
 
@@ -991,10 +979,6 @@ static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base, unsigned int port
 		}
 	}
 
-	if(hwif->mate)
-		hwif->dma_master = (hwif->channel) ? hwif->mate->dma_base:base;
-	else
-		hwif->dma_master = base;
 	return 0;
 }
 
@@ -1006,12 +990,9 @@ static int ide_dma_iobase(ide_hwif_t *hwif, unsigned long base, unsigned int por
 	return ide_iomio_dma(hwif, base, ports);
 }
 
-/*
- * This can be called for a dynamically installed interface. Don't __init it
- */
-void ide_setup_dma (ide_hwif_t *hwif, unsigned long dma_base, unsigned int num_ports)
+void ide_setup_dma(ide_hwif_t *hwif, unsigned long base, unsigned num_ports)
 {
-	if (ide_dma_iobase(hwif, dma_base, num_ports))
+	if (ide_dma_iobase(hwif, base, num_ports))
 		return;
 
 	if (ide_allocate_dma_engine(hwif)) {
@@ -1019,6 +1000,13 @@ void ide_setup_dma (ide_hwif_t *hwif, unsigned long dma_base, unsigned int num_p
 		return;
 	}
 
+	hwif->dma_base = base;
+
+	if (hwif->mate)
+		hwif->dma_master = hwif->channel ? hwif->mate->dma_base : base;
+	else
+		hwif->dma_master = base;
+
 	if (!(hwif->dma_command))
 		hwif->dma_command	= hwif->dma_base;
 	if (!(hwif->dma_vendor1))
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 32eaa3f..c89f0d3 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -55,7 +55,7 @@
 #include <asm/io.h>
 
 static int __ide_end_request(ide_drive_t *drive, struct request *rq,
-			     int uptodate, unsigned int nr_bytes)
+			     int uptodate, unsigned int nr_bytes, int dequeue)
 {
 	int ret = 1;
 
@@ -80,9 +80,11 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq,
 
 	if (!end_that_request_chunk(rq, uptodate, nr_bytes)) {
 		add_disk_randomness(rq->rq_disk);
-		if (!list_empty(&rq->queuelist))
-			blkdev_dequeue_request(rq);
-		HWGROUP(drive)->rq = NULL;
+		if (dequeue) {
+			if (!list_empty(&rq->queuelist))
+				blkdev_dequeue_request(rq);
+			HWGROUP(drive)->rq = NULL;
+		}
 		end_that_request_last(rq, uptodate);
 		ret = 0;
 	}
@@ -122,7 +124,7 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
 			nr_bytes = rq->hard_cur_sectors << 9;
 	}
 
-	ret = __ide_end_request(drive, rq, uptodate, nr_bytes);
+	ret = __ide_end_request(drive, rq, uptodate, nr_bytes, 1);
 
 	spin_unlock_irqrestore(&ide_lock, flags);
 	return ret;
@@ -255,39 +257,13 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
 			     int uptodate, int nr_sectors)
 {
 	unsigned long flags;
-	int ret = 1;
+	int ret;
 
 	spin_lock_irqsave(&ide_lock, flags);
-
 	BUG_ON(!blk_rq_started(rq));
-
-	/*
-	 * if failfast is set on a request, override number of sectors and
-	 * complete the whole request right now
-	 */
-	if (blk_noretry_request(rq) && end_io_error(uptodate))
-		nr_sectors = rq->hard_nr_sectors;
-
-	if (!blk_fs_request(rq) && end_io_error(uptodate) && !rq->errors)
-		rq->errors = -EIO;
-
-	/*
-	 * decide whether to reenable DMA -- 3 is a random magic for now,
-	 * if we DMA timeout more than 3 times, just stay in PIO
-	 */
-	if (drive->state == DMA_PIO_RETRY && drive->retry_pio <= 3) {
-		drive->state = 0;
-		HWGROUP(drive)->hwif->ide_dma_on(drive);
-	}
-
-	if (!end_that_request_first(rq, uptodate, nr_sectors)) {
-		add_disk_randomness(rq->rq_disk);
-		if (blk_rq_tagged(rq))
-			blk_queue_end_tag(drive->queue, rq);
-		end_that_request_last(rq, uptodate);
-		ret = 0;
-	}
+	ret = __ide_end_request(drive, rq, uptodate, nr_sectors << 9, 0);
 	spin_unlock_irqrestore(&ide_lock, flags);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(ide_end_dequeued_request);
@@ -800,7 +776,20 @@ static ide_startstop_t do_special (ide_drive_t *drive)
 		s->b.set_tune = 0;
 
 		if (set_pio_mode_abuse(drive->hwif, req_pio)) {
-			if (hwif->set_pio_mode)
+
+			if (hwif->set_pio_mode == NULL)
+				return ide_stopped;
+
+			/*
+			 * take ide_lock for drive->[no_]unmask/[no_]io_32bit
+			 */
+			if (req_pio == 8 || req_pio == 9) {
+				unsigned long flags;
+
+				spin_lock_irqsave(&ide_lock, flags);
+				hwif->set_pio_mode(drive, req_pio);
+				spin_unlock_irqrestore(&ide_lock, flags);
+			} else
 				hwif->set_pio_mode(drive, req_pio);
 		} else {
 			int keep_dma = drive->using_dma;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index d4d790f..9516883 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -693,35 +693,16 @@ static u8 ide_auto_reduce_xfer (ide_drive_t *drive)
 }
 #endif /* CONFIG_BLK_DEV_IDEDMA */
 
-/*
- * Update the 
- */
-int ide_driveid_update (ide_drive_t *drive)
+int ide_driveid_update(ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= HWIF(drive);
+	ide_hwif_t *hwif = drive->hwif;
 	struct hd_driveid *id;
-#if 0
-	id = kmalloc(SECTOR_WORDS*4, GFP_ATOMIC);
-	if (!id)
-		return 0;
-
-	taskfile_lib_get_identify(drive, (char *)&id);
+	unsigned long timeout, flags;
 
-	ide_fix_driveid(id);
-	if (id) {
-		drive->id->dma_ultra = id->dma_ultra;
-		drive->id->dma_mword = id->dma_mword;
-		drive->id->dma_1word = id->dma_1word;
-		/* anything more ? */
-		kfree(id);
-	}
-	return 1;
-#else
 	/*
 	 * Re-read drive->id for possible DMA mode
 	 * change (copied from ide-probe.c)
 	 */
-	unsigned long timeout, flags;
 
 	SELECT_MASK(drive, 1);
 	if (IDE_CONTROL_REG)
@@ -763,7 +744,6 @@ int ide_driveid_update (ide_drive_t *drive)
 	}
 
 	return 1;
-#endif
 }
 
 int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c
index 2b8009c..e245521 100644
--- a/drivers/ide/ide-pnp.c
+++ b/drivers/ide/ide-pnp.c
@@ -40,9 +40,8 @@ static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id
 	ide_std_init_ports(&hw, pnp_port_start(dev, 0),
 				pnp_port_start(dev, 1));
 	hw.irq = pnp_irq(dev, 0);
-	hw.dma = NO_DMA;
 
-	index = ide_register_hw(&hw, 1, &hwif);
+	index = ide_register_hw(&hw, NULL, 1, &hwif);
 
 	if (index != -1) {
 	    	printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index e294c74..d5146c5 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -717,7 +717,7 @@ EXPORT_SYMBOL_GPL(ide_undecoded_slave);
  * This routine only knows how to look for drive units 0 and 1
  * on an interface, so any setting of MAX_DRIVES > 2 won't work here.
  */
-static void probe_hwif(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif))
+static void probe_hwif(ide_hwif_t *hwif)
 {
 	unsigned long flags;
 	unsigned int irqd;
@@ -819,8 +819,8 @@ static void probe_hwif(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif))
 		return;
 	}
 
-	if (fixup)
-		fixup(hwif);
+	if (hwif->fixup)
+		hwif->fixup(hwif);
 
 	for (unit = 0; unit < MAX_DRIVES; ++unit) {
 		ide_drive_t *drive = &hwif->drives[unit];
@@ -859,10 +859,11 @@ static void probe_hwif(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif))
 }
 
 static int hwif_init(ide_hwif_t *hwif);
+static void hwif_register_devices(ide_hwif_t *hwif);
 
-int probe_hwif_init_with_fixup(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif))
+static int probe_hwif_init(ide_hwif_t *hwif)
 {
-	probe_hwif(hwif, fixup);
+	probe_hwif(hwif);
 
 	if (!hwif_init(hwif)) {
 		printk(KERN_INFO "%s: failed to initialize IDE interface\n",
@@ -870,34 +871,12 @@ int probe_hwif_init_with_fixup(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif)
 		return -1;
 	}
 
-	if (hwif->present) {
-		u16 unit = 0;
-		int ret;
+	if (hwif->present)
+		hwif_register_devices(hwif);
 
-		for (unit = 0; unit < MAX_DRIVES; ++unit) {
-			ide_drive_t *drive = &hwif->drives[unit];
-			/* For now don't attach absent drives, we may
-			   want them on default or a new "empty" class
-			   for hotplug reprobing ? */
-			if (drive->present) {
-				ret = device_register(&drive->gendev);
-				if (ret < 0)
-					printk(KERN_WARNING "IDE: %s: "
-						"device_register error: %d\n",
-						__FUNCTION__, ret);
-			}
-		}
-	}
 	return 0;
 }
 
-int probe_hwif_init(ide_hwif_t *hwif)
-{
-	return probe_hwif_init_with_fixup(hwif, NULL);
-}
-
-EXPORT_SYMBOL(probe_hwif_init);
-
 #if MAX_HWIFS > 1
 /*
  * save_match() is used to simplify logic in init_irq() below.
@@ -1379,6 +1358,24 @@ out:
 	return 0;
 }
 
+static void hwif_register_devices(ide_hwif_t *hwif)
+{
+	unsigned int i;
+
+	for (i = 0; i < MAX_DRIVES; i++) {
+		ide_drive_t *drive = &hwif->drives[i];
+
+		if (drive->present) {
+			int ret = device_register(&drive->gendev);
+
+			if (ret < 0)
+				printk(KERN_WARNING "IDE: %s: "
+					"device_register error: %d\n",
+					__FUNCTION__, ret);
+		}
+	}
+}
+
 int ideprobe_init (void)
 {
 	unsigned int index;
@@ -1390,27 +1387,18 @@ int ideprobe_init (void)
 
 	for (index = 0; index < MAX_HWIFS; ++index)
 		if (probe[index])
-			probe_hwif(&ide_hwifs[index], NULL);
+			probe_hwif(&ide_hwifs[index]);
 	for (index = 0; index < MAX_HWIFS; ++index)
 		if (probe[index])
 			hwif_init(&ide_hwifs[index]);
 	for (index = 0; index < MAX_HWIFS; ++index) {
 		if (probe[index]) {
 			ide_hwif_t *hwif = &ide_hwifs[index];
-			int unit;
 			if (!hwif->present)
 				continue;
 			if (hwif->chipset == ide_unknown || hwif->chipset == ide_forced)
 				hwif->chipset = ide_generic;
-			for (unit = 0; unit < MAX_DRIVES; ++unit)
-				if (hwif->drives[unit].present) {
-					int ret = device_register(
-						&hwif->drives[unit].gendev);
-					if (ret < 0)
-						printk(KERN_WARNING "IDE: %s: "
-							"device_register error: %d\n",
-							__FUNCTION__, ret);
-				}
+			hwif_register_devices(hwif);
 		}
 	}
 	for (index = 0; index < MAX_HWIFS; ++index)
@@ -1420,3 +1408,22 @@ int ideprobe_init (void)
 }
 
 EXPORT_SYMBOL_GPL(ideprobe_init);
+
+int ide_device_add(u8 idx[4])
+{
+	int i, rc = 0;
+
+	for (i = 0; i < 4; i++) {
+		if (idx[i] != 0xff)
+			rc |= probe_hwif_init(&ide_hwifs[idx[i]]);
+	}
+
+	for (i = 0; i < 4; i++) {
+		if (idx[i] != 0xff)
+			ide_proc_register_port(&ide_hwifs[idx[i]]);
+	}
+
+	return rc;
+}
+
+EXPORT_SYMBOL_GPL(ide_device_add);
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index fc1d8ae..a4007d3 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -804,8 +804,6 @@ void ide_proc_register_port(ide_hwif_t *hwif)
 	create_proc_ide_drives(hwif);
 }
 
-EXPORT_SYMBOL_GPL(ide_proc_register_port);
-
 #ifdef CONFIG_BLK_DEV_IDEPCI
 void ide_pci_create_host_proc(const char *name, get_info_t *get_info)
 {
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 1fa5794..e5a86a9 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -621,7 +621,6 @@ typedef struct os_dat_s {
  */
 #define USE_IOTRACE	0
 #if USE_IOTRACE
-#include <linux/io_trace.h>
 #define IO_IDETAPE_FIFO	500
 #endif
 
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 2a3c8d4..73ef6bf 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -8,23 +8,6 @@
  *  Copyright (C) 2003-2004	Bartlomiej Zolnierkiewicz
  *
  *  The big the bad and the ugly.
- *
- *  Problems to be fixed because of BH interface or the lack therefore.
- *
- *  Fill me in stupid !!!
- *
- *  HOST:
- *	General refers to the Controller and Driver "pair".
- *  DATA HANDLER:
- *	Under the context of Linux it generally refers to an interrupt handler.
- *	However, it correctly describes the 'HOST'
- *  DATA BLOCK:
- *	The amount of data needed to be transfered as predefined in the
- *	setup of the device.
- *  STORAGE ATOMIC:
- *	The 'DATA BLOCK' associated to the 'DATA HANDLER', and can be as
- *	small as a single sector or as large as the entire command block
- *	request.
  */
 
 #include <linux/module.h>
@@ -695,9 +678,6 @@ int ide_wait_cmd (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors,
 	return ide_do_drive_cmd(drive, &rq, ide_wait);
 }
 
-/*
- * FIXME : this needs to map into at taskfile. <andre@linux-ide.org>
- */
 int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
 {
 	int err = 0;
@@ -761,9 +741,6 @@ static int ide_wait_cmd_task(ide_drive_t *drive, u8 *buf)
 	return ide_do_drive_cmd(drive, &rq, ide_wait);
 }
 
-/*
- * FIXME : this needs to map into at taskfile. <andre@linux-ide.org>
- */
 int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
 {
 	void __user *p = (void __user *)arg;
@@ -860,9 +837,14 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
 		case TASKFILE_OUT_DMA:
 		case TASKFILE_IN_DMAQ:
 		case TASKFILE_IN_DMA:
-			hwif->dma_setup(drive);
-			hwif->dma_exec_cmd(drive, taskfile->command);
-			hwif->dma_start(drive);
+			if (!drive->using_dma)
+				break;
+
+			if (!hwif->dma_setup(drive)) {
+				hwif->dma_exec_cmd(drive, taskfile->command);
+				hwif->dma_start(drive);
+				return ide_started;
+			}
 			break;
 
 	        default:
@@ -876,7 +858,8 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
 				return task->prehandler(drive, task->rq);
 			}
 			ide_execute_command(drive, taskfile->command, task->handler, WAIT_WORSTCASE, NULL);
+			return ide_started;
 	}
 
-	return ide_started;
+	return ide_stopped;
 }
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 961e6c8..674a65c 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -168,7 +168,6 @@ static void init_hwif_default(ide_hwif_t *hwif, unsigned int index)
 
 	ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, &hwif->irq);
 
-	memcpy(&hwif->hw, &hw, sizeof(hw));
 	memcpy(hwif->io_ports, hw.io_ports, sizeof(hw.io_ports));
 
 	hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
@@ -214,7 +213,7 @@ static void __init init_ide_data (void)
 		init_hwif_data(hwif, index);
 		init_hwif_default(hwif, index);
 #if !defined(CONFIG_PPC32) || !defined(CONFIG_PCI)
-		hwif->irq = hwif->hw.irq =
+		hwif->irq =
 			ide_init_default_irq(hwif->io_ports[IDE_DATA_OFFSET]);
 #endif
 	}
@@ -265,6 +264,30 @@ static int ide_system_bus_speed(void)
 	return system_bus_speed;
 }
 
+ide_hwif_t * ide_find_port(unsigned long base)
+{
+	ide_hwif_t *hwif;
+	int i;
+
+	for (i = 0; i < MAX_HWIFS; i++) {
+		hwif = &ide_hwifs[i];
+		if (hwif->io_ports[IDE_DATA_OFFSET] == base)
+			goto found;
+	}
+
+	for (i = 0; i < MAX_HWIFS; i++) {
+		hwif = &ide_hwifs[i];
+		if (hwif->io_ports[IDE_DATA_OFFSET] == 0)
+			goto found;
+	}
+
+	hwif = NULL;
+found:
+	return hwif;
+}
+
+EXPORT_SYMBOL_GPL(ide_find_port);
+
 static struct resource* hwif_request_region(ide_hwif_t *hwif,
 					    unsigned long addr, int num)
 {
@@ -391,6 +414,8 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
 	hwif->cds			= tmp_hwif->cds;
 #endif
 
+	hwif->fixup			= tmp_hwif->fixup;
+
 	hwif->set_pio_mode		= tmp_hwif->set_pio_mode;
 	hwif->set_dma_mode		= tmp_hwif->set_dma_mode;
 	hwif->mdma_filter		= tmp_hwif->mdma_filter;
@@ -652,7 +677,6 @@ void ide_setup_ports (	hw_regs_t *hw,
 		}
 	}
 	hw->irq = irq;
-	hw->dma = NO_DMA;
 	hw->ack_intr = ack_intr;
 /*
  *	hw->iops = iops;
@@ -660,11 +684,11 @@ void ide_setup_ports (	hw_regs_t *hw,
 }
 
 /**
- *	ide_register_hw_with_fixup	-	register IDE interface
+ *	ide_register_hw		-	register IDE interface
  *	@hw: hardware registers
+ *	@fixup: fixup function
  *	@initializing: set while initializing built-in drivers
  *	@hwifp: pointer to returned hwif
- *	@fixup: fixup function
  *
  *	Register an IDE interface, specifying exactly the registers etc.
  *	Set init=1 iff calling before probes have taken place.
@@ -672,9 +696,8 @@ void ide_setup_ports (	hw_regs_t *hw,
  *	Returns -1 on error.
  */
 
-int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing,
-			       ide_hwif_t **hwifp,
-			       void(*fixup)(ide_hwif_t *hwif))
+int ide_register_hw(hw_regs_t *hw, void (*fixup)(ide_hwif_t *),
+		    int initializing, ide_hwif_t **hwifp)
 {
 	int index, retry = 1;
 	ide_hwif_t *hwif;
@@ -682,7 +705,7 @@ int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing,
 	do {
 		for (index = 0; index < MAX_HWIFS; ++index) {
 			hwif = &ide_hwifs[index];
-			if (hwif->hw.io_ports[IDE_DATA_OFFSET] == hw->io_ports[IDE_DATA_OFFSET])
+			if (hwif->io_ports[IDE_DATA_OFFSET] == hw->io_ports[IDE_DATA_OFFSET])
 				goto found;
 		}
 		for (index = 0; index < MAX_HWIFS; ++index) {
@@ -690,7 +713,7 @@ int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing,
 			if (hwif->hold)
 				continue;
 			if ((!hwif->present && !hwif->mate && !initializing) ||
-			    (!hwif->hw.io_ports[IDE_DATA_OFFSET] && initializing))
+			    (!hwif->io_ports[IDE_DATA_OFFSET] && initializing))
 				goto found;
 		}
 		for (index = 0; index < MAX_HWIFS; index++)
@@ -706,16 +729,18 @@ found:
 	}
 	if (hwif->present)
 		return -1;
-	memcpy(&hwif->hw, hw, sizeof(*hw));
-	memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports));
+	memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
 	hwif->irq = hw->irq;
 	hwif->noprobe = 0;
+	hwif->fixup = fixup;
 	hwif->chipset = hw->chipset;
 	hwif->gendev.parent = hw->dev;
+	hwif->ack_intr = hw->ack_intr;
+
+	if (initializing == 0) {
+		u8 idx[4] = { index, 0xff, 0xff, 0xff };
 
-	if (!initializing) {
-		probe_hwif_init_with_fixup(hwif, fixup);
-		ide_proc_register_port(hwif);
+		ide_device_add(idx);
 	}
 
 	if (hwifp)
@@ -724,13 +749,6 @@ found:
 	return (initializing || hwif->present) ? index : -1;
 }
 
-EXPORT_SYMBOL(ide_register_hw_with_fixup);
-
-int ide_register_hw(hw_regs_t *hw, int initializing, ide_hwif_t **hwifp)
-{
-	return ide_register_hw_with_fixup(hw, initializing, hwifp, NULL);
-}
-
 EXPORT_SYMBOL(ide_register_hw);
 
 /*
@@ -1046,7 +1064,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
 			ide_init_hwif_ports(&hw, (unsigned long) args[0],
 					    (unsigned long) args[1], NULL);
 			hw.irq = args[2];
-			if (ide_register_hw(&hw, 0, NULL) == -1)
+			if (ide_register_hw(&hw, NULL, 0, NULL) == -1)
 				return -EIO;
 			return 0;
 		}
@@ -1397,6 +1415,9 @@ static int __init ide_setup(char *s)
 			"reset", "minus6", "ata66", "minus8", "minus9",
 			"minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb",
 			"dtc2278", "umc8672", "ali14xx", NULL };
+
+		hw_regs_t hwregs;
+
 		hw = s[3] - '0';
 		hwif = &ide_hwifs[hw];
 		i = match_parm(&s[4], ide_words, vals, 3);
@@ -1506,9 +1527,9 @@ static int __init ide_setup(char *s)
 			case 2: /* base,ctl */
 				vals[2] = 0;	/* default irq = probe for it */
 			case 3: /* base,ctl,irq */
-				hwif->hw.irq = vals[2];
-				ide_init_hwif_ports(&hwif->hw, (unsigned long) vals[0], (unsigned long) vals[1], &hwif->irq);
-				memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
+				memset(&hwregs, 0, sizeof(hwregs));
+				ide_init_hwif_ports(&hwregs, vals[0], vals[1], &hwif->irq);
+				memcpy(hwif->io_ports, hwregs.io_ports, sizeof(hwif->io_ports));
 				hwif->irq      = vals[2];
 				hwif->noprobe  = 0;
 				hwif->chipset  = ide_forced;
diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c
index 2f0ef9b..10311ec 100644
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -102,6 +102,8 @@ static void outReg (u8 data, u8 reg)
 	outb_p(data, dataPort);
 }
 
+static DEFINE_SPINLOCK(ali14xx_lock);
+
 /*
  * Set PIO mode for the specified drive.
  * This function computes timing parameters
@@ -129,14 +131,14 @@ static void ali14xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 	/* stuff timing parameters into controller registers */
 	driveNum = (HWIF(drive)->index << 1) + drive->select.b.unit;
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&ali14xx_lock, flags);
 	outb_p(regOn, basePort);
 	outReg(param1, regTab[driveNum].reg1);
 	outReg(param2, regTab[driveNum].reg2);
 	outReg(param3, regTab[driveNum].reg3);
 	outReg(param4, regTab[driveNum].reg4);
 	outb_p(regOff, basePort);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&ali14xx_lock, flags);
 }
 
 /*
@@ -193,6 +195,7 @@ static int __init initRegisters (void) {
 static int __init ali14xx_probe(void)
 {
 	ide_hwif_t *hwif, *mate;
+	static u8 idx[4] = { 0, 1, 0xff, 0xff };
 
 	printk(KERN_DEBUG "ali14xx: base=0x%03x, regOn=0x%02x.\n",
 			  basePort, regOn);
@@ -217,11 +220,7 @@ static int __init ali14xx_probe(void)
 	mate->mate = hwif;
 	mate->channel = 1;
 
-	probe_hwif_init(hwif);
-	probe_hwif_init(mate);
-
-	ide_proc_register_port(hwif);
-	ide_proc_register_port(mate);
+	ide_device_add(idx);
 
 	return 0;
 }
diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c
index 101aee1..4a0be25 100644
--- a/drivers/ide/legacy/buddha.c
+++ b/drivers/ide/legacy/buddha.c
@@ -212,8 +212,8 @@ fail_base2:
 //						xsurf_iops,
 						IRQ_AMIGA_PORTS);
 			}	
-			
-			index = ide_register_hw(&hw, 1, &hwif);
+
+			index = ide_register_hw(&hw, NULL, 1, &hwif);
 			if (index != -1) {
 				hwif->mmio = 1;
 				printk("ide%d: ", index);
diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/legacy/dtc2278.c
index f165212..24a845d 100644
--- a/drivers/ide/legacy/dtc2278.c
+++ b/drivers/ide/legacy/dtc2278.c
@@ -67,20 +67,24 @@ static void sub22 (char b, char c)
 	}
 }
 
+static DEFINE_SPINLOCK(dtc2278_lock);
+
 static void dtc2278_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
 	unsigned long flags;
 
 	if (pio >= 3) {
-		spin_lock_irqsave(&ide_lock, flags);
+		spin_lock_irqsave(&dtc2278_lock, flags);
 		/*
 		 * This enables PIO mode4 (3?) on the first interface
 		 */
 		sub22(1,0xc3);
 		sub22(0,0xa0);
-		spin_unlock_irqrestore(&ide_lock, flags);
+		spin_unlock_irqrestore(&dtc2278_lock, flags);
 	} else {
 		/* we don't know how to set it back again.. */
+		/* Actually we do - there is a data sheet available for the
+		   Winbond but does anyone actually care */
 	}
 
 	/*
@@ -94,6 +98,7 @@ static int __init dtc2278_probe(void)
 {
 	unsigned long flags;
 	ide_hwif_t *hwif, *mate;
+	static u8 idx[4] = { 0, 1, 0xff, 0xff };
 
 	hwif = &ide_hwifs[0];
 	mate = &ide_hwifs[1];
@@ -129,16 +134,13 @@ static int __init dtc2278_probe(void)
 
 	mate->serialized = 1;
 	mate->chipset = ide_dtc2278;
+	mate->pio_mask = ATA_PIO4;
 	mate->drives[0].no_unmask = 1;
 	mate->drives[1].no_unmask = 1;
 	mate->mate = hwif;
 	mate->channel = 1;
 
-	probe_hwif_init(hwif);
-	probe_hwif_init(mate);
-
-	ide_proc_register_port(hwif);
-	ide_proc_register_port(mate);
+	ide_device_add(idx);
 
 	return 0;
 }
diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c
index f0829b8..7d7936f 100644
--- a/drivers/ide/legacy/falconide.c
+++ b/drivers/ide/legacy/falconide.c
@@ -72,7 +72,7 @@ void __init falconide_init(void)
 			0, 0, NULL,
 //			falconide_iops,
 			IRQ_MFP_IDE);
-	index = ide_register_hw(&hw, 1, NULL);
+	index = ide_register_hw(&hw, NULL, 1, NULL);
 
 	if (index != -1)
 	    printk("ide%d: Falcon IDE interface\n", index);
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index 0830a02..53331ee 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -165,7 +165,7 @@ found:
 //			&gayle_iops,
 			IRQ_AMIGA_PORTS);
 
-	index = ide_register_hw(&hw, 1, &hwif);
+	index = ide_register_hw(&hw, NULL, 1, &hwif);
 	if (index != -1) {
 	    hwif->mmio = 1;
 	    switch (i) {
diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c
index 2e5a9cc..a4245d1 100644
--- a/drivers/ide/legacy/ht6560b.c
+++ b/drivers/ide/legacy/ht6560b.c
@@ -247,6 +247,8 @@ static u8 ht_pio2timings(ide_drive_t *drive, const u8 pio)
 	}
 }
 
+static DEFINE_SPINLOCK(ht6560b_lock);
+
 /*
  *  Enable/Disable so called prefetch mode
  */
@@ -254,9 +256,9 @@ static void ht_set_prefetch(ide_drive_t *drive, u8 state)
 {
 	unsigned long flags;
 	int t = HT_PREFETCH_MODE << 8;
-	
-	spin_lock_irqsave(&ide_lock, flags);
-	
+
+	spin_lock_irqsave(&ht6560b_lock, flags);
+
 	/*
 	 *  Prefetch mode and unmask irq seems to conflict
 	 */
@@ -268,9 +270,9 @@ static void ht_set_prefetch(ide_drive_t *drive, u8 state)
 		drive->drive_data &= ~t;  /* disable prefetch mode */
 		drive->no_unmask = 0;
 	}
-	
-	spin_unlock_irqrestore(&ide_lock, flags);
-	
+
+	spin_unlock_irqrestore(&ht6560b_lock, flags);
+
 #ifdef DEBUG
 	printk("ht6560b: drive %s prefetch mode %sabled\n", drive->name, (state ? "en" : "dis"));
 #endif
@@ -287,16 +289,14 @@ static void ht6560b_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		ht_set_prefetch(drive, pio & 1);
 		return;
 	}
-	
+
 	timing = ht_pio2timings(drive, pio);
-	
-	spin_lock_irqsave(&ide_lock, flags);
-	
+
+	spin_lock_irqsave(&ht6560b_lock, flags);
 	drive->drive_data &= 0xff00;
 	drive->drive_data |= timing;
-	
-	spin_unlock_irqrestore(&ide_lock, flags);
-	
+	spin_unlock_irqrestore(&ht6560b_lock, flags);
+
 #ifdef DEBUG
 	printk("ht6560b: drive %s tuned to pio mode %#x timing=%#x\n", drive->name, pio, timing);
 #endif
@@ -311,6 +311,7 @@ MODULE_PARM_DESC(probe, "probe for HT6560B chipset");
 int __init ht6560b_init(void)
 {
 	ide_hwif_t *hwif, *mate;
+	static u8 idx[4] = { 0, 1, 0xff, 0xff };
 	int t;
 
 	if (probe_ht6560b == 0)
@@ -359,11 +360,7 @@ int __init ht6560b_init(void)
 	mate->drives[0].drive_data = t;
 	mate->drives[1].drive_data = t;
 
-	probe_hwif_init(hwif);
-	probe_hwif_init(mate);
-
-	ide_proc_register_port(hwif);
-	ide_proc_register_port(mate);
+	ide_device_add(idx);
 
 	return 0;
 
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index e8e360c..03715c0 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -153,7 +153,7 @@ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq
     hw.irq = irq;
     hw.chipset = ide_pci;
     hw.dev = &handle->dev;
-    return ide_register_hw_with_fixup(&hw, 0, NULL, ide_undecoded_slave);
+    return ide_register_hw(&hw, &ide_undecoded_slave, 0, NULL);
 }
 
 /*======================================================================
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c
index b992b2b..7bb79f5 100644
--- a/drivers/ide/legacy/ide_platform.c
+++ b/drivers/ide/legacy/ide_platform.c
@@ -33,39 +33,24 @@ static ide_hwif_t *__devinit plat_ide_locate_hwif(void __iomem *base,
 	    int mmio)
 {
 	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;
-
-found:
+	if (hwif == NULL)
+		goto out;
 
-	hwif->hw.io_ports[IDE_DATA_OFFSET] = port;
+	hwif->io_ports[IDE_DATA_OFFSET] = port;
 
 	port += (1 << pdata->ioport_shift);
 	for (i = IDE_ERROR_OFFSET; i <= IDE_STATUS_OFFSET;
 	     i++, port += (1 << pdata->ioport_shift))
-		hwif->hw.io_ports[i] = port;
+		hwif->io_ports[i] = port;
 
-	hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
+	hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
 
-	memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports));
-	hwif->hw.irq = hwif->irq = irq;
+	hwif->irq = irq;
 
-	hwif->hw.dma = NO_DMA;
-	hwif->chipset = hwif->hw.chipset = ide_generic;
+	hwif->chipset = ide_generic;
 
 	if (mmio) {
 		hwif->mmio = 1;
@@ -73,8 +58,8 @@ found:
 	}
 
 	hwif_prop.hwif = hwif;
-	hwif_prop.index = index;
-
+	hwif_prop.index = hwif->index;
+out:
 	return hwif;
 }
 
@@ -83,6 +68,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
 	struct resource *res_base, *res_alt, *res_irq;
 	ide_hwif_t *hwif;
 	struct pata_platform_info *pdata;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 	int ret = 0;
 	int mmio = 0;
 
@@ -130,10 +116,11 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
 	hwif->gendev.parent = &pdev->dev;
 	hwif->noprobe = 0;
 
-	probe_hwif_init(hwif);
+	idx[0] = hwif->index;
+
+	ide_device_add(idx);
 
 	platform_set_drvdata(pdev, hwif);
-	ide_proc_register_port(hwif);
 
 	return 0;
 
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index b557c45..e87cd2f 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -93,21 +93,21 @@ void macide_init(void)
 				0, 0, macide_ack_intr,
 //				quadra_ide_iops,
 				IRQ_NUBUS_F);
-		index = ide_register_hw(&hw, 1, &hwif);
+		index = ide_register_hw(&hw, NULL, 1, &hwif);
 		break;
 	case MAC_IDE_PB:
 		ide_setup_ports(&hw, IDE_BASE, macide_offsets,
 				0, 0, macide_ack_intr,
 //				macide_pb_iops,
 				IRQ_NUBUS_C);
-		index = ide_register_hw(&hw, 1, &hwif);
+		index = ide_register_hw(&hw, NULL, 1, &hwif);
 		break;
 	case MAC_IDE_BABOON:
 		ide_setup_ports(&hw, BABOON_BASE, macide_offsets,
 				0, 0, NULL,
 //				macide_baboon_iops,
 				IRQ_BABOON_1);
-		index = ide_register_hw(&hw, 1, &hwif);
+		index = ide_register_hw(&hw, NULL, 1, &hwif);
 		if (index == -1) break;
 		if (macintosh_config->ident == MAC_MODEL_PB190) {
 
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c
index e628a98..44cdb74 100644
--- a/drivers/ide/legacy/q40ide.c
+++ b/drivers/ide/legacy/q40ide.c
@@ -89,9 +89,8 @@ void q40_ide_setup_ports ( hw_regs_t *hw,
 		else
 			hw->io_ports[i] = Q40_ISA_IO_B(base + offsets[i]);
 	}
-	
+
 	hw->irq = irq;
-	hw->dma = NO_DMA;
 	hw->ack_intr = ack_intr;
 /*
  *	hw->iops = iops;
@@ -142,7 +141,7 @@ void q40ide_init(void)
 			0, NULL,
 //			m68kide_iops,
 			q40ide_default_irq(pcide_bases[i]));
-	index = ide_register_hw(&hw, 1, &hwif);
+	index = ide_register_hw(&hw, NULL, 1, &hwif);
 	// **FIXME**
 	if (index != -1)
 		hwif->mmio = 1;
diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c
index 0c81d2d..912e738 100644
--- a/drivers/ide/legacy/qd65xx.c
+++ b/drivers/ide/legacy/qd65xx.c
@@ -89,26 +89,6 @@
 
 static int timings[4]={-1,-1,-1,-1}; /* stores current timing for each timer */
 
-static void qd_write_reg (u8 content, unsigned long reg)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ide_lock, flags);
-	outb(content,reg);
-	spin_unlock_irqrestore(&ide_lock, flags);
-}
-
-static u8 __init qd_read_reg (unsigned long reg)
-{
-	unsigned long flags;
-	u8 read;
-
-	spin_lock_irqsave(&ide_lock, flags);
-	read = inb(reg);
-	spin_unlock_irqrestore(&ide_lock, flags);
-	return read;
-}
-
 /*
  * qd_select:
  *
@@ -121,7 +101,7 @@ static void qd_select (ide_drive_t *drive)
 			(QD_TIMREG(drive) & 0x02);
 
 	if (timings[index] != QD_TIMING(drive))
-		qd_write_reg(timings[index] = QD_TIMING(drive), QD_TIMREG(drive));
+		outb(timings[index] = QD_TIMING(drive), QD_TIMREG(drive));
 }
 
 /*
@@ -284,7 +264,7 @@ static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	}
 
 	if (!HWIF(drive)->channel && drive->media != ide_disk) {
-		qd_write_reg(0x5f, QD_CONTROL_PORT);
+		outb(0x5f, QD_CONTROL_PORT);
 		printk(KERN_WARNING "%s: ATAPI: disabled read-ahead FIFO "
 			"and post-write buffer on %s.\n",
 			drive->name, HWIF(drive)->name);
@@ -301,16 +281,15 @@ static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 static int __init qd_testreg(int port)
 {
-	u8 savereg;
-	u8 readreg;
 	unsigned long flags;
+	u8 savereg, readreg;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	local_irq_save(flags);
 	savereg = inb_p(port);
 	outb_p(QD_TESTVAL, port);	/* safe value */
 	readreg = inb_p(port);
 	outb(savereg, port);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	local_irq_restore(flags);
 
 	if (savereg == QD_TESTVAL) {
 		printk(KERN_ERR "Outch ! the probe for qd65xx isn't reliable !\n");
@@ -364,13 +343,13 @@ static void __exit qd_unsetup(ide_hwif_t *hwif)
 
 	if (set_pio_mode == (void *)qd6500_set_pio_mode) {
 		// will do it for both
-		qd_write_reg(QD6500_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
+		outb(QD6500_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
 	} else if (set_pio_mode == (void *)qd6580_set_pio_mode) {
 		if (QD_CONTROL(hwif) & QD_CONTR_SEC_DISABLED) {
-			qd_write_reg(QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
-			qd_write_reg(QD6580_DEF_DATA2, QD_TIMREG(&hwif->drives[1]));
+			outb(QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
+			outb(QD6580_DEF_DATA2, QD_TIMREG(&hwif->drives[1]));
 		} else {
-			qd_write_reg(hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
+			outb(hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA, QD_TIMREG(&hwif->drives[0]));
 		}
 	} else {
 		printk(KERN_WARNING "Unknown qd65xx tuning fonction !\n");
@@ -389,10 +368,11 @@ static void __exit qd_unsetup(ide_hwif_t *hwif)
 static int __init qd_probe(int base)
 {
 	ide_hwif_t *hwif;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 	u8 config;
 	u8 unit;
 
-	config = qd_read_reg(QD_CONFIG_PORT);
+	config = inb(QD_CONFIG_PORT);
 
 	if (! ((config & QD_CONFIG_BASEPORT) >> 1 == (base == 0xb0)) )
 		return 1;
@@ -419,9 +399,9 @@ static int __init qd_probe(int base)
 
 		hwif->set_pio_mode = &qd6500_set_pio_mode;
 
-		probe_hwif_init(hwif);
+		idx[0] = unit;
 
-		ide_proc_register_port(hwif);
+		ide_device_add(idx);
 
 		return 1;
 	}
@@ -436,7 +416,7 @@ static int __init qd_probe(int base)
 
 		/* qd6580 found */
 
-		control = qd_read_reg(QD_CONTROL_PORT);
+		control = inb(QD_CONTROL_PORT);
 
 		printk(KERN_NOTICE "qd6580 at %#x\n", base);
 		printk(KERN_DEBUG "qd6580: config=%#x, control=%#x, ID3=%u\n",
@@ -453,11 +433,11 @@ static int __init qd_probe(int base)
 
 			hwif->set_pio_mode = &qd6580_set_pio_mode;
 
-			probe_hwif_init(hwif);
+			idx[0] = unit;
 
-			qd_write_reg(QD_DEF_CONTR,QD_CONTROL_PORT);
+			ide_device_add(idx);
 
-			ide_proc_register_port(hwif);
+			outb(QD_DEF_CONTR, QD_CONTROL_PORT);
 
 			return 1;
 		} else {
@@ -474,19 +454,17 @@ static int __init qd_probe(int base)
 
 			hwif->set_pio_mode = &qd6580_set_pio_mode;
 
-			probe_hwif_init(hwif);
-
 			qd_setup(mate, base, config | (control << 8),
 				 QD6580_DEF_DATA2, QD6580_DEF_DATA2);
 
 			mate->set_pio_mode = &qd6580_set_pio_mode;
 
-			probe_hwif_init(mate);
+			idx[0] = 0;
+			idx[1] = 1;
 
-			qd_write_reg(QD_DEF_CONTR,QD_CONTROL_PORT);
+			ide_device_add(idx);
 
-			ide_proc_register_port(hwif);
-			ide_proc_register_port(mate);
+			outb(QD_DEF_CONTR, QD_CONTROL_PORT);
 
 			return 0; /* no other qd65xx possible */
 		}
diff --git a/drivers/ide/legacy/umc8672.c b/drivers/ide/legacy/umc8672.c
index 1151c92..79577b9 100644
--- a/drivers/ide/legacy/umc8672.c
+++ b/drivers/ide/legacy/umc8672.c
@@ -124,8 +124,9 @@ static void umc_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 static int __init umc8672_probe(void)
 {
-	unsigned long flags;
 	ide_hwif_t *hwif, *mate;
+	unsigned long flags;
+	static u8 idx[4] = { 0, 1, 0xff, 0xff };
 
 	if (!request_region(0x108, 2, "umc8672")) {
 		printk(KERN_ERR "umc8672: ports 0x108-0x109 already in use.\n");
@@ -158,11 +159,7 @@ static int __init umc8672_probe(void)
 	mate->mate = hwif;
 	mate->channel = 1;
 
-	probe_hwif_init(hwif);
-	probe_hwif_init(mate);
-
-	ide_proc_register_port(hwif);
-	ide_proc_register_port(mate);
+	ide_device_add(idx);
 
 	return 0;
 }
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 2f322d7..1de5856 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -601,8 +601,9 @@ static int au_ide_probe(struct device *dev)
 	_auide_hwif *ahwif = &auide_hwif;
 	ide_hwif_t *hwif;
 	struct resource *res;
-	hw_regs_t *hw;
 	int ret = 0;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+	hw_regs_t hw;
 
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
 	char *mode = "MWDMA2";
@@ -644,12 +645,12 @@ static int au_ide_probe(struct device *dev)
 	/* FIXME:  This might possibly break PCMCIA IDE devices */
 
 	hwif                            = &ide_hwifs[pdev->id];
-	hw 				= &hwif->hw;
-	hwif->irq = hw->irq             = ahwif->irq;
+	hwif->irq			= ahwif->irq;
 	hwif->chipset                   = ide_au1xxx;
 
-	auide_setup_ports(hw, ahwif);
-	memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
+	memset(&hw, 0, sizeof(hw));
+	auide_setup_ports(&hw, ahwif);
+	memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
 
 	hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
@@ -706,8 +707,10 @@ static int au_ide_probe(struct device *dev)
 	hwif->config_data               = 0;    /* no chipset-specific code */
 
 	hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
+	hwif->drives[1].autotune	= 1;
 #endif
-	hwif->drives[0].no_io_32bit     = 1;   
+	hwif->drives[0].no_io_32bit	= 1;
+	hwif->drives[1].no_io_32bit	= 1;
 
 	auide_hwif.hwif                 = hwif;
 	hwif->hwif_data                 = &auide_hwif;
@@ -717,9 +720,9 @@ static int au_ide_probe(struct device *dev)
 	dbdma_init_done = 1;
 #endif
 
-	probe_hwif_init(hwif);
+	idx[0] = hwif->index;
 
-	ide_proc_register_port(hwif);
+	ide_device_add(idx);
 
 	dev_set_drvdata(dev, hwif);
 
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c
index c2e2957..521edd4 100644
--- a/drivers/ide/mips/swarm.c
+++ b/drivers/ide/mips/swarm.c
@@ -71,6 +71,7 @@ static int __devinit swarm_ide_probe(struct device *dev)
 	u8 __iomem *base;
 	phys_t offset, size;
 	int i;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	if (!SIBYTE_HAVE_IDE)
 		return -ENODEV;
@@ -119,18 +120,15 @@ static int __devinit swarm_ide_probe(struct device *dev)
 	hwif->noprobe = 0;
 
 	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++)
-		hwif->hw.io_ports[i] =
+		hwif->io_ports[i] =
 				(unsigned long)(base + ((0x1f0 + i) << 5));
-	hwif->hw.io_ports[IDE_CONTROL_OFFSET] =
+	hwif->io_ports[IDE_CONTROL_OFFSET] =
 				(unsigned long)(base + (0x3f6 << 5));
-	hwif->hw.irq = K_INT_GB_IDE;
+	hwif->irq = K_INT_GB_IDE;
 
-	memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
-	hwif->irq = hwif->hw.irq;
+	idx[0] = hwif->index;
 
-	probe_hwif_init(hwif);
-
-	ide_proc_register_port(hwif);
+	ide_device_add(idx);
 
 	dev_set_drvdata(dev, hwif);
 
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index b3dc12a..19ec421 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/aec62xx.c		Version 0.26	Sep 1, 2007
+ * linux/drivers/ide/pci/aec62xx.c		Version 0.27	Sep 16, 2007
  *
  * Copyright (C) 1999-2002	Andre Hedrick <andre@linux-ide.org>
  * Copyright (C) 2007		MontaVista Software, Inc. <source@mvista.com>
@@ -141,19 +141,6 @@ static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	drive->hwif->set_dma_mode(drive, pio + XFER_PIO_0);
 }
 
-static void aec62xx_dma_lost_irq (ide_drive_t *drive)
-{
-	switch (HWIF(drive)->pci_dev->device) {
-		case PCI_DEVICE_ID_ARTOP_ATP860:
-		case PCI_DEVICE_ID_ARTOP_ATP860R:
-		case PCI_DEVICE_ID_ARTOP_ATP865:
-		case PCI_DEVICE_ID_ARTOP_ATP865R:
-			printk(" AEC62XX time out ");
-		default:
-			break;
-	}
-}
-
 static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name)
 {
 	int bus_speed = system_bus_clock();
@@ -195,8 +182,6 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
 	if (hwif->dma_base == 0)
 		return;
 
-	hwif->dma_lost_irq	= &aec62xx_dma_lost_irq;
-
 	if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
 		return;
 
@@ -209,7 +194,7 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
 	}
 }
 
-static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
+static const struct ide_port_info aec62xx_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "AEC6210",
 		.init_chipset	= init_chipset_aec62xx,
@@ -268,12 +253,12 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
  *	finds a device matching our IDE device tables.
  *
  *	NOTE: since we're going to modify the 'name' field for AEC-6[26]80[R]
- *	chips, pass a local copy of 'struct pci_device_id' down the call chain.
+ *	chips, pass a local copy of 'struct ide_port_info' down the call chain.
  */
- 
+
 static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t d;
+	struct ide_port_info d;
 	u8 idx = id->driver_data;
 
 	d = aec62xx_chipsets[idx];
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 8ee2b48..a607dd3 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/alim15x3.c		Version 0.27	Aug 27 2007
+ * linux/drivers/ide/pci/alim15x3.c		Version 0.29	Sep 16 2007
  *
  *  Copyright (C) 1998-2000 Michel Aubry, Maintainer
  *  Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer
@@ -492,6 +492,13 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c
 		 * clear bit 7
 		 */
 		pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F);
+		/*
+		 * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010
+		 */
+		if (m5229_revision >= 0x20 && isa_dev) {
+			pci_read_config_byte(isa_dev, 0x5e, &tmpbyte);
+			chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0;
+		}
 		goto out;
 	}
 
@@ -537,7 +544,30 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c
 			pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02);
 		}
 	}
+
 out:
+	/*
+	 * CD_ROM DMA on (m5229, 0x53, bit0)
+	 *      Enable this bit even if we want to use PIO.
+	 * PIO FIFO off (m5229, 0x53, bit1)
+	 *      The hardware will use 0x54h and 0x55h to control PIO FIFO.
+	 *	(Not on later devices it seems)
+	 *
+	 *	0x53 changes meaning on later revs - we must no touch
+	 *	bit 1 on them.  Need to check if 0x20 is the right break.
+	 */
+	if (m5229_revision >= 0x20) {
+		pci_read_config_byte(dev, 0x53, &tmpbyte);
+
+		if (m5229_revision <= 0x20)
+			tmpbyte = (tmpbyte & (~0x02)) | 0x01;
+		else if (m5229_revision == 0xc7 || m5229_revision == 0xc8)
+			tmpbyte |= 0x03;
+		else
+			tmpbyte |= 0x01;
+
+		pci_write_config_byte(dev, 0x53, tmpbyte);
+	}
 	pci_dev_put(north);
 	pci_dev_put(isa_dev);
 	local_irq_restore(flags);
@@ -616,36 +646,8 @@ static u8 __devinit ata66_ali15x3(ide_hwif_t *hwif)
 			if ((tmpbyte & (1 << hwif->channel)) == 0)
 				cbl = ATA_CBL_PATA80;
 		}
-	} else {
-		/*
-		 * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010
-		 */
-		pci_read_config_byte(isa_dev, 0x5e, &tmpbyte);
-		chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0;
 	}
 
-	/*
-	 * CD_ROM DMA on (m5229, 0x53, bit0)
-	 *      Enable this bit even if we want to use PIO
-	 * PIO FIFO off (m5229, 0x53, bit1)
-	 *      The hardware will use 0x54h and 0x55h to control PIO FIFO
-	 *	(Not on later devices it seems)
-	 *
-	 *	0x53 changes meaning on later revs - we must no touch
-	 *	bit 1 on them. Need to check if 0x20 is the right break
-	 */
-	 
-	pci_read_config_byte(dev, 0x53, &tmpbyte);
-	
-	if(m5229_revision <= 0x20)
-		tmpbyte = (tmpbyte & (~0x02)) | 0x01;
-	else if (m5229_revision == 0xc7 || m5229_revision == 0xc8)
-		tmpbyte |= 0x03;
-	else
-		tmpbyte |= 0x01;
-
-	pci_write_config_byte(dev, 0x53, tmpbyte);
-
 	local_irq_restore(flags);
 
 	return cbl;
@@ -664,31 +666,9 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
 	hwif->set_dma_mode = &ali_set_dma_mode;
 	hwif->udma_filter = &ali_udma_filter;
 
-	/* don't use LBA48 DMA on ALi devices before rev 0xC5 */
-	if (m5229_revision <= 0xC4)
-		hwif->host_flags |= IDE_HFLAG_NO_LBA48_DMA;
-
 	if (hwif->dma_base == 0)
 		return;
 
-	/*
-	 * check in ->init_dma guarantees m5229_revision >= 0x20 here
-	 */
-
-	if (m5229_revision == 0x20)
-		hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
-
-	if (m5229_revision <= 0x20)
-		hwif->ultra_mask = 0x00; /* no udma */
-	else if (m5229_revision < 0xC2)
-		hwif->ultra_mask = ATA_UDMA2;
-	else if (m5229_revision == 0xC2 || m5229_revision == 0xC3)
-		hwif->ultra_mask = ATA_UDMA4;
-	else if (m5229_revision == 0xC4)
-		hwif->ultra_mask = ATA_UDMA5;
-	else
-		hwif->ultra_mask = ATA_UDMA6;
-
 	hwif->dma_setup = &ali15x3_dma_setup;
 
 	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
@@ -766,7 +746,7 @@ static void __devinit init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase)
 	ide_setup_dma(hwif, dmabase, 8);
 }
 
-static ide_pci_device_t ali15x3_chipset __devinitdata = {
+static const struct ide_port_info ali15x3_chipset __devinitdata = {
 	.name		= "ALI15X3",
 	.init_chipset	= init_chipset_ali15x3,
 	.init_hwif	= init_hwif_ali15x3,
@@ -792,15 +772,34 @@ static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_dev
 		{ },
 	};
 
-	ide_pci_device_t *d = &ali15x3_chipset;
+	struct ide_port_info d = ali15x3_chipset;
+	u8 rev = dev->revision;
 
 	if (pci_dev_present(ati_rs100))
 		printk(KERN_WARNING "alim15x3: ATI Radeon IGP Northbridge is not yet fully tested.\n");
 
+	/* don't use LBA48 DMA on ALi devices before rev 0xC5 */
+	if (rev <= 0xC4)
+		d.host_flags |= IDE_HFLAG_NO_LBA48_DMA;
+
+	if (rev >= 0x20) {
+		if (rev == 0x20)
+			d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
+
+		if (rev < 0xC2)
+			d.udma_mask = ATA_UDMA2;
+		else if (rev == 0xC2 || rev == 0xC3)
+			d.udma_mask = ATA_UDMA4;
+		else if (rev == 0xC4)
+			d.udma_mask = ATA_UDMA5;
+		else
+			d.udma_mask = ATA_UDMA6;
+	}
+
 #if defined(CONFIG_SPARC64)
-	d->init_hwif = init_hwif_common_ali15x3;
+	d.init_hwif = init_hwif_common_ali15x3;
 #endif /* CONFIG_SPARC64 */
-	return ide_setup_pci_device(dev, d);
+	return ide_setup_pci_device(dev, &d);
 }
 
 
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 7cafefb..8d4125e 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -77,7 +77,7 @@ static struct amd_ide_chip {
 };
 
 static struct amd_ide_chip *amd_config;
-static ide_pci_device_t *amd_chipset;
+static const struct ide_port_info *amd_chipset;
 static unsigned int amd_80w;
 static unsigned int amd_clock;
 
@@ -242,19 +242,12 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
 
 static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
 {
-	int i;
-
 	if (hwif->irq == 0) /* 0 is bogus but will do for now */
 		hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel);
 
 	hwif->set_pio_mode = &amd_set_pio_mode;
 	hwif->set_dma_mode = &amd_set_drive;
 
-	for (i = 0; i < 2; i++) {
-		hwif->drives[i].io_32bit = 1;
-		hwif->drives[i].unmask = 1;
-	}
-
 	if (!hwif->dma_base)
 		return;
 
@@ -270,16 +263,21 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
 	}
 }
 
+#define IDE_HFLAGS_AMD \
+	(IDE_HFLAG_PIO_NO_BLACKLIST | \
+	 IDE_HFLAG_PIO_NO_DOWNGRADE | \
+	 IDE_HFLAG_POST_SET_MODE | \
+	 IDE_HFLAG_IO_32BIT | \
+	 IDE_HFLAG_UNMASK_IRQS | \
+	 IDE_HFLAG_BOOTABLE)
+
 #define DECLARE_AMD_DEV(name_str)					\
 	{								\
 		.name		= name_str,				\
 		.init_chipset	= init_chipset_amd74xx,			\
 		.init_hwif	= init_hwif_amd74xx,			\
 		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},	\
-		.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST |		\
-				  IDE_HFLAG_PIO_NO_DOWNGRADE |		\
-				  IDE_HFLAG_POST_SET_MODE |		\
-				  IDE_HFLAG_BOOTABLE,			\
+		.host_flags	= IDE_HFLAGS_AMD,			\
 		.pio_mask	= ATA_PIO5,				\
 		.swdma_mask	= ATA_SWDMA2,				\
 		.mwdma_mask	= ATA_MWDMA2,				\
@@ -291,16 +289,13 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
 		.init_chipset	= init_chipset_amd74xx,			\
 		.init_hwif	= init_hwif_amd74xx,			\
 		.enablebits	= {{0x50,0x02,0x02}, {0x50,0x01,0x01}},	\
-		.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST |		\
-				  IDE_HFLAG_PIO_NO_DOWNGRADE |		\
-				  IDE_HFLAG_POST_SET_MODE |		\
-				  IDE_HFLAG_BOOTABLE,			\
+		.host_flags	= IDE_HFLAGS_AMD,			\
 		.pio_mask	= ATA_PIO5,				\
 		.swdma_mask	= ATA_SWDMA2,				\
 		.mwdma_mask	= ATA_MWDMA2,				\
 	}
 
-static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
+static const struct ide_port_info amd74xx_chipsets[] __devinitdata = {
 	/*  0 */ DECLARE_AMD_DEV("AMD7401"),
 	/*  1 */ DECLARE_AMD_DEV("AMD7409"),
 	/*  2 */ DECLARE_AMD_DEV("AMD7411"),
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 3078430..ef8e016 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -189,8 +189,7 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
 	hwif->dma_host_off = &atiixp_dma_host_off;
 }
 
-
-static ide_pci_device_t atiixp_pci_info[] __devinitdata = {
+static const struct ide_port_info atiixp_pci_info[] __devinitdata = {
 	{	/* 0 */
 		.name		= "ATIIXP",
 		.init_hwif	= init_hwif_atiixp,
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c
index f369645..4aa4810 100644
--- a/drivers/ide/pci/cmd640.c
+++ b/drivers/ide/pci/cmd640.c
@@ -185,6 +185,8 @@ static u8 recovery_counts[4] = {16, 16, 16, 16}; /* Recovery count (encoded) */
 
 #endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
 
+static DEFINE_SPINLOCK(cmd640_lock);
+
 /*
  * These are initialized to point at the devices we control
  */
@@ -258,12 +260,12 @@ static u8 get_cmd640_reg_vlb (u16 reg)
 
 static u8 get_cmd640_reg(u16 reg)
 {
-	u8 b;
 	unsigned long flags;
+	u8 b;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 	b = __get_cmd640_reg(reg);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 	return b;
 }
 
@@ -271,9 +273,9 @@ static void put_cmd640_reg(u16 reg, u8 val)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 	__put_cmd640_reg(reg,val);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 }
 
 static int __init match_pci_cmd640_device (void)
@@ -351,7 +353,7 @@ static int __init secondary_port_responding (void)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 
 	outb_p(0x0a, 0x170 + IDE_SELECT_OFFSET);	/* select drive0 */
 	udelay(100);
@@ -359,11 +361,11 @@ static int __init secondary_port_responding (void)
 		outb_p(0x1a, 0x170 + IDE_SELECT_OFFSET); /* select drive1 */
 		udelay(100);
 		if ((inb_p(0x170 + IDE_SELECT_OFFSET) & 0x1f) != 0x1a) {
-			spin_unlock_irqrestore(&ide_lock, flags);
+			spin_unlock_irqrestore(&cmd640_lock, flags);
 			return 0; /* nothing responded */
 		}
 	}
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 	return 1; /* success */
 }
 
@@ -440,11 +442,11 @@ static void __init setup_device_ptrs (void)
 static void set_prefetch_mode (unsigned int index, int mode)
 {
 	ide_drive_t *drive = cmd_drives[index];
+	unsigned long flags;
 	int reg = prefetch_regs[index];
 	u8 b;
-	unsigned long flags;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 	b = __get_cmd640_reg(reg);
 	if (mode) {	/* want prefetch on? */
 #if CMD640_PREFETCH_MASKS
@@ -460,7 +462,7 @@ static void set_prefetch_mode (unsigned int index, int mode)
 		b |= prefetch_masks[index];	/* disable prefetch */
 	}
 	__put_cmd640_reg(reg, b);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 }
 
 /*
@@ -561,7 +563,7 @@ static void program_drive_counts (unsigned int index)
 	/*
 	 * Now that everything is ready, program the new timings
 	 */
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 	/*
 	 * Program the address_setup clocks into ARTTIM reg,
 	 * and then the active/recovery counts into the DRWTIM reg
@@ -570,7 +572,7 @@ static void program_drive_counts (unsigned int index)
 	setup_count |= __get_cmd640_reg(arttim_regs[index]) & 0x3f;
 	__put_cmd640_reg(arttim_regs[index], setup_count);
 	__put_cmd640_reg(drwtim_regs[index], pack_nibbles(active_count, recovery_count));
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 }
 
 /*
@@ -670,20 +672,20 @@ static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 static int pci_conf1(void)
 {
-	u32 tmp;
 	unsigned long flags;
+	u32 tmp;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 	outb(0x01, 0xCFB);
 	tmp = inl(0xCF8);
 	outl(0x80000000, 0xCF8);
 	if (inl(0xCF8) == 0x80000000) {
 		outl(tmp, 0xCF8);
-		spin_unlock_irqrestore(&ide_lock, flags);
+		spin_unlock_irqrestore(&cmd640_lock, flags);
 		return 1;
 	}
 	outl(tmp, 0xCF8);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 	return 0;
 }
 
@@ -691,15 +693,15 @@ static int pci_conf2(void)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&cmd640_lock, flags);
 	outb(0x00, 0xCFB);
 	outb(0x00, 0xCF8);
 	outb(0x00, 0xCFA);
 	if (inb(0xCF8) == 0x00 && inb(0xCF8) == 0x00) {
-		spin_unlock_irqrestore(&ide_lock, flags);
+		spin_unlock_irqrestore(&cmd640_lock, flags);
 		return 1;
 	}
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&cmd640_lock, flags);
 	return 0;
 }
 
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index adee2ef..ea0143e 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -535,7 +535,6 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif)
 		hwif->ide_dma_test_irq	= &cmd648_ide_dma_test_irq;
 		break;
 	case PCI_DEVICE_ID_CMD_646:
-		hwif->chipset = ide_cmd646;
 		if (dev->revision == 0x01) {
 			hwif->ide_dma_end = &cmd646_1_ide_dma_end;
 			break;
@@ -549,7 +548,7 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif)
 	}
 }
 
-static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
+static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "CMD643",
 		.init_chipset	= init_chipset_cmd64x,
@@ -573,6 +572,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
 		.init_chipset	= init_chipset_cmd64x,
 		.init_hwif	= init_hwif_cmd64x,
 		.enablebits	= {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
+		.chipset	= ide_cmd646,
 		.host_flags	= IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_BOOTABLE,
 		.pio_mask	= ATA_PIO5,
 		.mwdma_mask	= ATA_MWDMA2,
@@ -591,7 +591,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
 
 static int __devinit cmd64x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t d;
+	struct ide_port_info d;
 	u8 idx = id->driver_data;
 
 	d = cmd64x_chipsets[idx];
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index aa98e81..0466462 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -141,7 +141,7 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
 		.pio_mask	= ATA_PIO4,			\
 	}
 
-static ide_pci_device_t cyrix_chipsets[] __devinitdata = {
+static const struct ide_port_info cyrix_chipsets[] __devinitdata = {
 	/* 0 */ DECLARE_CS_DEV("Cyrix 5510"),
 	/* 1 */ DECLARE_CS_DEV("Cyrix 5520")
 };
@@ -154,9 +154,8 @@ static ide_pci_device_t cyrix_chipsets[] __devinitdata = {
  
 static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_hwif_t *hwif = NULL, *mate = NULL;
-	ata_index_t index;
-	ide_pci_device_t *d = &cyrix_chipsets[id->driver_data];
+	const struct ide_port_info *d = &cyrix_chipsets[id->driver_data];
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	ide_setup_pci_noise(dev, d);
 
@@ -172,29 +171,14 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic
 		return -ENODEV;
 	}
 
-	index.all = 0xf0f0;
-
 	/*
 	 *	Now the chipset is configured we can let the core
 	 *	do all the device setup for us
 	 */
 
-	ide_pci_setup_ports(dev, d, 14, &index);
-
-	if ((index.b.low & 0xf0) != 0xf0)
-		hwif = &ide_hwifs[index.b.low];
-	if ((index.b.high & 0xf0) != 0xf0)
-		mate = &ide_hwifs[index.b.high];
-
-	if (hwif)
-		probe_hwif_init(hwif);
-	if (mate)
-		probe_hwif_init(mate);
+	ide_pci_setup_ports(dev, d, 14, &idx[0]);
 
-	if (hwif)
-		ide_proc_register_port(hwif);
-	if (mate)
-		ide_proc_register_port(mate);
+	ide_device_add(idx);
 
 	return 0;
 }
diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c
index ba0c6eb..5994089 100644
--- a/drivers/ide/pci/cs5530.c
+++ b/drivers/ide/pci/cs5530.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/cs5530.c		Version 0.76	Aug 3 2007
+ * linux/drivers/ide/pci/cs5530.c		Version 0.77	Sep 24 2007
  *
  * Copyright (C) 2000			Andre Hedrick <andre@linux-ide.org>
  * Copyright (C) 2000			Mark Lord <mlord@pobox.com>
@@ -146,7 +146,6 @@ static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode)
 static unsigned int __devinit init_chipset_cs5530 (struct pci_dev *dev, const char *name)
 {
 	struct pci_dev *master_0 = NULL, *cs5530_0 = NULL;
-	unsigned long flags;
 
 	if (pci_resource_start(dev, 4) == 0)
 		return -EFAULT;
@@ -171,9 +170,6 @@ static unsigned int __devinit init_chipset_cs5530 (struct pci_dev *dev, const ch
 		goto out;
 	}
 
-	spin_lock_irqsave(&ide_lock, flags);
-		/* all CPUs (there should only be one CPU with this chipset) */
-
 	/*
 	 * Enable BusMaster and MemoryWriteAndInvalidate for the cs5530:
 	 * -->  OR 0x14 into 16-bit PCI COMMAND reg of function 0 of the cs5530
@@ -224,8 +220,6 @@ static unsigned int __devinit init_chipset_cs5530 (struct pci_dev *dev, const ch
 	pci_write_config_byte(master_0, 0x42, 0x00);
 	pci_write_config_byte(master_0, 0x43, 0xc1);
 
-	spin_unlock_irqrestore(&ide_lock, flags);
-
 out:
 	pci_dev_put(master_0);
 	pci_dev_put(cs5530_0);
@@ -261,7 +255,7 @@ static void __devinit init_hwif_cs5530 (ide_hwif_t *hwif)
 	hwif->udma_filter = cs5530_udma_filter;
 }
 
-static ide_pci_device_t cs5530_chipset __devinitdata = {
+static const struct ide_port_info cs5530_chipset __devinitdata = {
 	.name		= "CS5530",
 	.init_chipset	= init_chipset_cs5530,
 	.init_hwif	= init_hwif_cs5530,
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c
index 5ac82ff..9094916 100644
--- a/drivers/ide/pci/cs5535.c
+++ b/drivers/ide/pci/cs5535.c
@@ -186,7 +186,7 @@ static void __devinit init_hwif_cs5535(ide_hwif_t *hwif)
 	hwif->cbl = cs5535_cable_detect(hwif->pci_dev);
 }
 
-static ide_pci_device_t cs5535_chipset __devinitdata = {
+static const struct ide_port_info cs5535_chipset __devinitdata = {
 	.name		= "CS5535",
 	.init_hwif	= init_hwif_cs5535,
 	.host_flags	= IDE_HFLAG_SINGLE | IDE_HFLAG_POST_SET_MODE |
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index efc20bd..3ef4fc1 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -428,7 +428,6 @@ static unsigned int __devinit init_chipset_cy82c693(struct pci_dev *dev, const c
  */
 static void __devinit init_hwif_cy82c693(ide_hwif_t *hwif)
 {
-	hwif->chipset = ide_cy82c693;
 	hwif->set_pio_mode = &cy82c693_set_pio_mode;
 
 	if (hwif->dma_base == 0)
@@ -449,11 +448,12 @@ static void __devinit init_iops_cy82c693(ide_hwif_t *hwif)
 	}
 }
 
-static ide_pci_device_t cy82c693_chipset __devinitdata = {
+static const struct ide_port_info cy82c693_chipset __devinitdata = {
 	.name		= "CY82C693",
 	.init_chipset	= init_chipset_cy82c693,
 	.init_iops	= init_iops_cy82c693,
 	.init_hwif	= init_hwif_cy82c693,
+	.chipset	= ide_cy82c693,
 	.host_flags	= IDE_HFLAG_SINGLE | IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 			  IDE_HFLAG_BOOTABLE,
 	.pio_mask	= ATA_PIO4,
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 46f4a88..8382908 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -80,7 +80,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 	hw.irq = dev->irq;
 	hw.chipset = ide_pci;		/* this enables IRQ sharing */
 
-	rc = ide_register_hw_with_fixup(&hw, 0, &hwif, ide_undecoded_slave);
+	rc = ide_register_hw(&hw, &ide_undecoded_slave, 0, &hwif);
 	if (rc < 0) {
 		printk(KERN_ERR "delkin_cb: ide_register_hw failed (%d)\n", rc);
 		pci_disable_device(dev);
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index 5116583..f44d708 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -54,37 +54,24 @@ __setup("all-generic-ide", ide_generic_all_on);
 module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
 MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
 
-static void __devinit init_hwif_generic (ide_hwif_t *hwif)
-{
-	switch(hwif->pci_dev->device) {
-		case PCI_DEVICE_ID_UMC_UM8673F:
-		case PCI_DEVICE_ID_UMC_UM8886A:
-		case PCI_DEVICE_ID_UMC_UM8886BF:
-			hwif->irq = hwif->channel ? 15 : 14;
-			break;
-		default:
-			break;
-	}
-}
+#define IDE_HFLAGS_UMC (IDE_HFLAG_NO_DMA | IDE_HFLAG_FORCE_LEGACY_IRQS)
 
-#define DECLARE_GENERIC_PCI_DEV(name_str, dma_setting) \
+#define DECLARE_GENERIC_PCI_DEV(name_str, extra_flags) \
 	{ \
 		.name		= name_str, \
-		.init_hwif	= init_hwif_generic, \
 		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
-				  dma_setting | \
+				  extra_flags | \
 				  IDE_HFLAG_BOOTABLE, \
 		.swdma_mask	= ATA_SWDMA2, \
 		.mwdma_mask	= ATA_MWDMA2, \
 		.udma_mask	= ATA_UDMA6, \
 	}
 
-static ide_pci_device_t generic_chipsets[] __devinitdata = {
+static const struct ide_port_info generic_chipsets[] __devinitdata = {
 	/*  0 */ DECLARE_GENERIC_PCI_DEV("Unknown",	0),
 
 	{	/* 1 */
 		.name		= "NS87410",
-		.init_hwif	= init_hwif_generic,
 		.enablebits	= {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
 		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 				  IDE_HFLAG_BOOTABLE,
@@ -95,16 +82,15 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
 
 	/*  2 */ DECLARE_GENERIC_PCI_DEV("SAMURAI",	0),
 	/*  3 */ DECLARE_GENERIC_PCI_DEV("HT6565",	0),
-	/*  4 */ DECLARE_GENERIC_PCI_DEV("UM8673F",	IDE_HFLAG_NO_DMA),
-	/*  5 */ DECLARE_GENERIC_PCI_DEV("UM8886A",	IDE_HFLAG_NO_DMA),
-	/*  6 */ DECLARE_GENERIC_PCI_DEV("UM8886BF",	IDE_HFLAG_NO_DMA),
+	/*  4 */ DECLARE_GENERIC_PCI_DEV("UM8673F",	IDE_HFLAGS_UMC),
+	/*  5 */ DECLARE_GENERIC_PCI_DEV("UM8886A",	IDE_HFLAGS_UMC),
+	/*  6 */ DECLARE_GENERIC_PCI_DEV("UM8886BF",	IDE_HFLAGS_UMC),
 	/*  7 */ DECLARE_GENERIC_PCI_DEV("HINT_IDE",	0),
 	/*  8 */ DECLARE_GENERIC_PCI_DEV("VIA_IDE",	IDE_HFLAG_NO_AUTODMA),
 	/*  9 */ DECLARE_GENERIC_PCI_DEV("OPTI621V",	IDE_HFLAG_NO_AUTODMA),
 
 	{	/* 10 */
 		.name		= "VIA8237SATA",
-		.init_hwif	= init_hwif_generic,
 		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 				  IDE_HFLAG_OFF_BOARD,
 		.swdma_mask	= ATA_SWDMA2,
@@ -118,7 +104,6 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
 
 	{	/* 14 */
 		.name		= "Revolution",
-		.init_hwif	= init_hwif_generic,
 		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 				  IDE_HFLAG_OFF_BOARD,
 		.swdma_mask	= ATA_SWDMA2,
@@ -138,7 +123,7 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
  
 static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t *d = &generic_chipsets[id->driver_data];
+	const struct ide_port_info *d = &generic_chipsets[id->driver_data];
 	int ret = -ENODEV;
 
 	/* Don't use the generic entry unless instructed to do so */
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
index 67af1a7..ae6307f 100644
--- a/drivers/ide/pci/hpt34x.c
+++ b/drivers/ide/pci/hpt34x.c
@@ -129,7 +129,7 @@ static void __devinit init_hwif_hpt34x(ide_hwif_t *hwif)
 	hwif->set_dma_mode = &hpt34x_set_mode;
 }
 
-static ide_pci_device_t hpt34x_chipsets[] __devinitdata = {
+static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
 	{ /* 0 */
 		.name		= "HPT343",
 		.init_chipset	= init_chipset_hpt34x,
@@ -158,7 +158,7 @@ static ide_pci_device_t hpt34x_chipsets[] __devinitdata = {
 
 static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t *d;
+	const struct ide_port_info *d;
 	u16 pcicmd = 0;
 
 	pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 18f5b7d..612b795 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1425,7 +1425,7 @@ static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2)
 	return 0;
 }
 
-static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
+static const struct ide_port_info hpt366_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "HPT36x",
 		.init_chipset	= init_chipset_hpt366,
@@ -1510,7 +1510,7 @@ static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_devic
 {
 	struct hpt_info *info = NULL;
 	struct pci_dev *dev2 = NULL;
-	ide_pci_device_t d;
+	struct ide_port_info d;
 	u8 idx = id->driver_data;
 	u8 rev = dev->revision;
 
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index dfbe605..90b52ed 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -193,7 +193,7 @@ static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
 		.udma_mask	= ATA_UDMA6,		\
 	}
 
-static ide_pci_device_t it8213_chipsets[] __devinitdata = {
+static const struct ide_port_info it8213_chipsets[] __devinitdata = {
 	/* 0 */ DECLARE_ITE_DEV("IT8213"),
 };
 
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index ec45b72..1a7ddd1 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -638,7 +638,7 @@ static unsigned int __devinit init_chipset_it821x(struct pci_dev *dev, const cha
 		.pio_mask	= ATA_PIO4,		\
 	}
 
-static ide_pci_device_t it821x_chipsets[] __devinitdata = {
+static const struct ide_port_info it821x_chipsets[] __devinitdata = {
 	/* 0 */ DECLARE_ITE_DEV("IT8212"),
 };
 
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index 2eeff67..bdf64d9 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -118,7 +118,7 @@ static void __devinit init_hwif_jmicron(ide_hwif_t *hwif)
 		hwif->cbl = ata66_jmicron(hwif);
 }
 
-static ide_pci_device_t jmicron_chipset __devinitdata = {
+static const struct ide_port_info jmicron_chipset __devinitdata = {
 	.name		= "JMB",
 	.init_hwif	= init_hwif_jmicron,
 	.host_flags	= IDE_HFLAG_BOOTABLE,
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index d21b589..d4df464 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -260,7 +260,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
 	hwif->ide_dma_end = &ns87415_ide_dma_end;
 }
 
-static ide_pci_device_t ns87415_chipset __devinitdata = {
+static const struct ide_port_info ns87415_chipset __devinitdata = {
 	.name		= "NS87415",
 #ifdef CONFIG_SUPERIO
 	.init_iops	= init_iops_ns87415,
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 3573ffe..8953d9c 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -1,5 +1,5 @@
 /*
- *  linux/drivers/ide/pci/opti621.c		Version 0.8	Aug 27, 2007
+ *  linux/drivers/ide/pci/opti621.c		Version 0.9	Sep 24, 2007
  *
  *  Copyright (C) 1996-1998  Linus Torvalds & authors (see below)
  */
@@ -133,6 +133,8 @@ static int reg_base;
 #define PIO_NOT_EXIST 254
 #define PIO_DONT_KNOW 255
 
+static DEFINE_SPINLOCK(opti621_lock);
+
 /* there are stored pio numbers from other calls of opti621_set_pio_mode */
 static void compute_pios(ide_drive_t *drive, const u8 pio)
 /* Store values into drive->drive_data
@@ -278,7 +280,7 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		second.recovery_time, drdy);
 #endif
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&opti621_lock, flags);
 
      	reg_base = hwif->io_ports[IDE_DATA_OFFSET];
 
@@ -317,7 +319,7 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	/*  and read prefetch for both drives */
 	write_reg(misc, MISC_REG);
 
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&opti621_lock, flags);
 }
 
 /*
@@ -331,7 +333,7 @@ static void __devinit init_hwif_opti621 (ide_hwif_t *hwif)
 	hwif->set_pio_mode = &opti621_set_pio_mode;
 }
 
-static ide_pci_device_t opti621_chipsets[] __devinitdata = {
+static const struct ide_port_info opti621_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "OPTI621",
 		.init_hwif	= init_hwif_opti621,
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index d1e7823..4234efe 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -513,7 +513,7 @@ static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev)
 		.udma_mask	= udma, \
 	}
 
-static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
+static const struct ide_port_info pdcnew_chipsets[] __devinitdata = {
 	/* 0 */ DECLARE_PDCNEW_DEV("PDC20268", ATA_UDMA5),
 	/* 1 */ DECLARE_PDCNEW_DEV("PDC20269", ATA_UDMA6),
 	/* 2 */ DECLARE_PDCNEW_DEV("PDC20270", ATA_UDMA5),
@@ -534,7 +534,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
  
 static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t *d;
+	const struct ide_port_info *d;
 	struct pci_dev *bridge = dev->bus->self;
 	u8 idx = id->driver_data;
 
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index 2930612..e09742e 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -302,13 +302,6 @@ static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev,
 
 static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
 {
-	struct pci_dev *dev = hwif->pci_dev;
-
-	/* PDC20265 has problems with large LBA48 requests */
-	if ((dev->device == PCI_DEVICE_ID_PROMISE_20267) ||
-	    (dev->device == PCI_DEVICE_ID_PROMISE_20265))
-		hwif->rqsize = 256;
-
 	hwif->set_pio_mode = &pdc202xx_set_pio_mode;
 	hwif->set_dma_mode = &pdc202xx_set_mode;
 
@@ -382,7 +375,7 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,
 	}
 }
 
-#define DECLARE_PDC2026X_DEV(name_str, udma) \
+#define DECLARE_PDC2026X_DEV(name_str, udma, extra_flags) \
 	{ \
 		.name		= name_str, \
 		.init_chipset	= init_chipset_pdc202xx, \
@@ -390,13 +383,14 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,
 		.init_dma	= init_dma_pdc202xx, \
 		.extra		= 48, \
 		.host_flags	= IDE_HFLAG_ERROR_STOPS_FIFO | \
+				  extra_flags | \
 				  IDE_HFLAG_OFF_BOARD, \
 		.pio_mask	= ATA_PIO4, \
 		.mwdma_mask	= ATA_MWDMA2, \
 		.udma_mask	= udma, \
 	}
 
-static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
+static const struct ide_port_info pdc202xx_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "PDC20246",
 		.init_chipset	= init_chipset_pdc202xx,
@@ -410,10 +404,10 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
 		.udma_mask	= ATA_UDMA2,
 	},
 
-	/* 1 */ DECLARE_PDC2026X_DEV("PDC20262", ATA_UDMA4),
-	/* 2 */ DECLARE_PDC2026X_DEV("PDC20263", ATA_UDMA4),
-	/* 3 */ DECLARE_PDC2026X_DEV("PDC20265", ATA_UDMA5),
-	/* 4 */ DECLARE_PDC2026X_DEV("PDC20267", ATA_UDMA5),
+	/* 1 */ DECLARE_PDC2026X_DEV("PDC20262", ATA_UDMA4, 0),
+	/* 2 */ DECLARE_PDC2026X_DEV("PDC20263", ATA_UDMA4, 0),
+	/* 3 */ DECLARE_PDC2026X_DEV("PDC20265", ATA_UDMA5, IDE_HFLAG_RQSIZE_256),
+	/* 4 */ DECLARE_PDC2026X_DEV("PDC20267", ATA_UDMA5, IDE_HFLAG_RQSIZE_256),
 };
 
 /**
@@ -427,7 +421,7 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
  
 static int __devinit pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t *d;
+	const struct ide_port_info *d;
 	u8 idx = id->driver_data;
 
 	d = &pdc202xx_chipsets[idx];
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index ec0c6e9..9329d4a 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -396,7 +396,7 @@ static void __devinit init_hwif_ich(ide_hwif_t *hwif)
 		.udma_mask	= udma, \
 	}
 
-static ide_pci_device_t piix_pci_info[] __devinitdata = {
+static const struct ide_port_info piix_pci_info[] __devinitdata = {
 	/*  0 */ DECLARE_PIIX_DEV("PIIXa",	0x00),	/* no udma */
 	/*  1 */ DECLARE_PIIX_DEV("PIIXb",	0x00),	/* no udma */
 
@@ -449,9 +449,7 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
  
 static int __devinit piix_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t *d = &piix_pci_info[id->driver_data];
-
-	return ide_setup_pci_device(dev, d);
+	return ide_setup_pci_device(dev, &piix_pci_info[id->driver_data]);
 }
 
 /**
diff --git a/drivers/ide/pci/rz1000.c b/drivers/ide/pci/rz1000.c
index dd2583e..6b10ae2 100644
--- a/drivers/ide/pci/rz1000.c
+++ b/drivers/ide/pci/rz1000.c
@@ -35,13 +35,13 @@ static void __devinit init_hwif_rz1000 (ide_hwif_t *hwif)
 	u16 reg;
 	struct pci_dev *dev = hwif->pci_dev;
 
-	hwif->chipset = ide_rz1000;
 	if (!pci_read_config_word (dev, 0x40, &reg) &&
 	    !pci_write_config_word(dev, 0x40, reg & 0xdfff)) {
 		printk(KERN_INFO "%s: disabled chipset read-ahead "
 			"(buggy RZ1000/RZ1001)\n", hwif->name);
 	} else {
-		hwif->serialized = 1;
+		if (hwif->mate)
+			hwif->mate->serialized = hwif->serialized = 1;
 		hwif->drives[0].no_unmask = 1;
 		hwif->drives[1].no_unmask = 1;
 		printk(KERN_INFO "%s: serialized, disabled unmasking "
@@ -49,9 +49,10 @@ static void __devinit init_hwif_rz1000 (ide_hwif_t *hwif)
 	}
 }
 
-static ide_pci_device_t rz1000_chipset __devinitdata = {
+static const struct ide_port_info rz1000_chipset __devinitdata = {
 	.name		= "RZ100x",
 	.init_hwif	= init_hwif_rz1000,
+	.chipset	= ide_rz1000,
 	.host_flags	= IDE_HFLAG_NO_DMA | IDE_HFLAG_BOOTABLE,
 };
 
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index b2423e0..d2c8b55 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -372,7 +372,7 @@ static void __devinit init_hwif_sc1200 (ide_hwif_t *hwif)
 	hwif->ide_dma_end   = &sc1200_ide_dma_end;
 }
 
-static ide_pci_device_t sc1200_chipset __devinitdata = {
+static const struct ide_port_info sc1200_chipset __devinitdata = {
 	.name		= "SC1200",
 	.init_hwif	= init_hwif_sc1200,
 	.host_flags	= IDE_HFLAG_SERIALIZE |
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index ae9b503..ebb7132 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -538,12 +538,13 @@ static int setup_mmio_scc (struct pci_dev *dev, const char *name)
 /**
  *	init_setup_scc	-	set up an SCC PATA Controller
  *	@dev: PCI device
- *	@d: IDE PCI device
+ *	@d: IDE port info
  *
  *	Perform the initial set up for this device.
  */
 
-static int __devinit init_setup_scc(struct pci_dev *dev, ide_pci_device_t *d)
+static int __devinit init_setup_scc(struct pci_dev *dev,
+				    const struct ide_port_info *d)
 {
 	unsigned long ctl_base;
 	unsigned long dma_base;
@@ -702,7 +703,7 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif)
       .pio_mask		= ATA_PIO4,			\
   }
 
-static ide_pci_device_t scc_chipsets[] __devinitdata = {
+static const struct ide_port_info scc_chipsets[] __devinitdata = {
 	/* 0 */ DECLARE_SCC_DEV("sccIDE"),
 };
 
@@ -717,9 +718,7 @@ static ide_pci_device_t scc_chipsets[] __devinitdata = {
 
 static int __devinit scc_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t *d = &scc_chipsets[id->driver_data];
-
-	return init_setup_scc(dev, d);
+	return init_setup_scc(dev, &scc_chipsets[id->driver_data]);
 }
 
 /**
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index a3d880e..a728031 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -158,13 +158,6 @@ static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed)
 
 	u8 ultra_enable	 = 0, ultra_timing = 0, dma_timing = 0;
 
-	/* If we are about to put a disk into UDMA mode we screwed up.
-	   Our code assumes we never _ever_ do this on an OSB4 */
-	   
-	if(dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4 &&
-		drive->media == ide_disk && speed >= XFER_UDMA_0)
-			BUG();
-
 	pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing);
 	pci_read_config_byte(dev, 0x54, &ultra_enable);
 
@@ -373,7 +366,7 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
 	}
 }
 
-static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
+static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
 	{	/* 0 */
 		.name		= "SvrWks OSB4",
 		.init_chipset	= init_chipset_svwks,
@@ -430,7 +423,7 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
  
 static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_pci_device_t d;
+	struct ide_port_info d;
 	u8 idx = id->driver_data;
 
 	d = serverworks_chipsets[idx];
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 5af74ea..de820aa 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -614,6 +614,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 	void __iomem *virt_base;
 	ide_hwif_t *hwif;
 	int h;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	/*
 	 * Find an empty HWIF; if none available, return -ENOMEM.
@@ -654,10 +655,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 	}
 
 	if (hwif->io_ports[IDE_DATA_OFFSET] != cmd_base) {
+		hw_regs_t hw;
+
 		/* Initialize the IO registers */
-		sgiioc4_init_hwif_ports(&hwif->hw, cmd_base, ctl, irqport);
-		memcpy(hwif->io_ports, hwif->hw.io_ports,
-		       sizeof (hwif->io_ports));
+		memset(&hw, 0, sizeof(hw));
+		sgiioc4_init_hwif_ports(&hw, cmd_base, ctl, irqport);
+		memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
 		hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
 	}
 
@@ -679,11 +682,10 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 
 	ide_init_sgiioc4(hwif);
 
-	if (probe_hwif_init(hwif))
-		return -EIO;
+	idx[0] = hwif->index;
 
-	/* Create /proc/ide entries */
-	ide_proc_register_port(hwif);
+	if (ide_device_add(idx))
+		return -EIO;
 
 	return 0;
 }
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 689786d..dc915cb 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/siimage.c		Version 1.17	Oct 18 2007
+ * linux/drivers/ide/pci/siimage.c		Version 1.18	Oct 18 2007
  *
  * Copyright (C) 2001-2002	Andre Hedrick <andre@linux-ide.org>
  * Copyright (C) 2003		Red Hat <alan@redhat.com>
@@ -57,8 +57,8 @@
  
 static int pdev_is_sata(struct pci_dev *pdev)
 {
-	switch(pdev->device)
-	{
+#ifdef CONFIG_BLK_DEV_IDE_SATA
+	switch(pdev->device) {
 		case PCI_DEVICE_ID_SII_3112:
 		case PCI_DEVICE_ID_SII_1210SA:
 			return 1;
@@ -66,9 +66,10 @@ static int pdev_is_sata(struct pci_dev *pdev)
 			return 0;
 	}
 	BUG();
+#endif
 	return 0;
 }
- 
+
 /**
  *	is_sata			-	check if hwif is SATA
  *	@hwif:	interface to check
@@ -136,7 +137,7 @@ static inline unsigned long siimage_seldev(ide_drive_t *drive, int r)
  *	SI3112 SATA controller life is a bit simpler.
  */
 
-static u8 sil_udma_filter(ide_drive_t *drive)
+static u8 sil_pata_udma_filter(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = drive->hwif;
 	unsigned long base = (unsigned long) hwif->hwif_data;
@@ -147,23 +148,23 @@ static u8 sil_udma_filter(ide_drive_t *drive)
 	else
 		pci_read_config_byte(hwif->pci_dev, 0x8A, &scsc);
 
-	if (is_sata(hwif)) {
-		mask = strstr(drive->id->model, "Maxtor") ? 0x3f : 0x7f;
-		goto out;
-	}
-
 	if ((scsc & 0x30) == 0x10)	/* 133 */
-		mask = 0x7f;
+		mask = ATA_UDMA6;
 	else if ((scsc & 0x30) == 0x20)	/* 2xPCI */
-		mask = 0x7f;
+		mask = ATA_UDMA6;
 	else if ((scsc & 0x30) == 0x00)	/* 100 */
-		mask = 0x3f;
+		mask = ATA_UDMA5;
 	else 	/* Disabled ? */
 		BUG();
-out:
+
 	return mask;
 }
 
+static u8 sil_sata_udma_filter(ide_drive_t *drive)
+{
+	return strstr(drive->id->model, "Maxtor") ? ATA_UDMA5 : ATA_UDMA6;
+}
+
 /**
  *	sil_set_pio_mode	-	set host controller for PIO mode
  *	@drive: drive
@@ -340,10 +341,11 @@ static int siimage_io_ide_dma_test_irq (ide_drive_t *drive)
 static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
-	unsigned long base	= (unsigned long)hwif->hwif_data;
 	unsigned long addr	= siimage_selreg(hwif, 0x1);
 
 	if (SATA_ERROR_REG) {
+		unsigned long base = (unsigned long)hwif->hwif_data;
+
 		u32 ext_stat = readl((void __iomem *)(base + 0x10));
 		u8 watchdog = 0;
 		if (ext_stat & ((hwif->channel) ? 0x40 : 0x10)) {
@@ -376,7 +378,7 @@ static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive)
 }
 
 /**
- *	siimage_busproc		-	bus isolation ioctl
+ *	sil_sata_busproc	-	bus isolation IOCTL
  *	@drive: drive to isolate/restore
  *	@state: bus state to set
  *
@@ -384,8 +386,8 @@ static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive)
  *	SATA controller the work required is quite limited, we 
  *	just have to clean up the statistics
  */
- 
-static int siimage_busproc (ide_drive_t * drive, int state)
+
+static int sil_sata_busproc(ide_drive_t * drive, int state)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
 	u32 stat_config		= 0;
@@ -417,14 +419,14 @@ static int siimage_busproc (ide_drive_t * drive, int state)
 }
 
 /**
- *	siimage_reset_poll	-	wait for sata reset
+ *	sil_sata_reset_poll	-	wait for SATA reset
  *	@drive: drive we are resetting
  *
  *	Poll the SATA phy and see whether it has come back from the dead
  *	yet.
  */
- 
-static int siimage_reset_poll (ide_drive_t *drive)
+
+static int sil_sata_reset_poll(ide_drive_t *drive)
 {
 	if (SATA_STATUS_REG) {
 		ide_hwif_t *hwif	= HWIF(drive);
@@ -436,27 +438,22 @@ static int siimage_reset_poll (ide_drive_t *drive)
 			HWGROUP(drive)->polling = 0;
 			return ide_started;
 		}
-		return 0;
-	} else {
-		return 0;
 	}
+
+	return 0;
 }
 
 /**
- *	siimage_pre_reset	-	reset hook
+ *	sil_sata_pre_reset	-	reset hook
  *	@drive: IDE device being reset
  *
  *	For the SATA devices we need to handle recalibration/geometry
  *	differently
  */
- 
-static void siimage_pre_reset (ide_drive_t *drive)
-{
-	if (drive->media != ide_disk)
-		return;
 
-	if (is_sata(HWIF(drive)))
-	{
+static void sil_sata_pre_reset(ide_drive_t *drive)
+{
+	if (drive->media == ide_disk) {
 		drive->special.b.set_geometry = 0;
 		drive->special.b.recalibrate = 0;
 	}
@@ -502,7 +499,6 @@ static void siimage_reset (ide_drive_t *drive)
 			drive->failures++;
 		}
 	}
-
 }
 
 /**
@@ -758,16 +754,11 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
 		hwif->sata_misc[SATA_IEN_OFFSET]	= base + 0x148;
 	}
 
-	hw.irq				= hwif->pci_dev->irq;
+	memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
 
-	memcpy(&hwif->hw, &hw, sizeof(hw));
-	memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports));
+	hwif->irq = dev->irq;
 
-	hwif->irq			= hw.irq;
-
-       	base = (unsigned long) addr;
-
-	hwif->dma_base			= base + (ch ? 0x08 : 0x00);
+	hwif->dma_base = (unsigned long)addr + (ch ? 0x08 : 0x00);
 
 	hwif->mmio = 1;
 }
@@ -864,28 +855,31 @@ static u8 __devinit ata66_siimage(ide_hwif_t *hwif)
 
 static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
 {
+	u8 sata = is_sata(hwif);
+
 	hwif->resetproc = &siimage_reset;
 	hwif->set_pio_mode = &sil_set_pio_mode;
 	hwif->set_dma_mode = &sil_set_dma_mode;
-	hwif->reset_poll = &siimage_reset_poll;
-	hwif->pre_reset = &siimage_pre_reset;
-	hwif->udma_filter = &sil_udma_filter;
 
-	if(is_sata(hwif)) {
+	if (sata) {
 		static int first = 1;
 
-		hwif->busproc   = &siimage_busproc;
+		hwif->busproc = &sil_sata_busproc;
+		hwif->reset_poll = &sil_sata_reset_poll;
+		hwif->pre_reset = &sil_sata_pre_reset;
+		hwif->udma_filter = &sil_sata_udma_filter;
 
 		if (first) {
 			printk(KERN_INFO "siimage: For full SATA support you should use the libata sata_sil module.\n");
 			first = 0;
 		}
-	}
+	} else
+		hwif->udma_filter = &sil_pata_udma_filter;
 
 	if (hwif->dma_base == 0)
 		return;
 
-	if (is_sata(hwif))
+	if (sata)
 		hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
 
 	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
@@ -911,7 +905,7 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
 		.udma_mask	= ATA_UDMA6,		\
 	}
 
-static ide_pci_device_t siimage_chipsets[] __devinitdata = {
+static const struct ide_port_info siimage_chipsets[] __devinitdata = {
 	/* 0 */ DECLARE_SII_DEV("SiI680"),
 	/* 1 */ DECLARE_SII_DEV("SiI3112 Serial ATA"),
 	/* 2 */ DECLARE_SII_DEV("Adaptec AAR-1210SA")
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index c1d280b..6b7bb53 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -264,7 +264,7 @@ static void sis_ata133_program_timings(ide_drive_t *drive, const u8 mode)
 	if (mode >= XFER_MW_DMA_0) {
 		t1 &= ~0x04;	/* disable UDMA */
 		idx = mode - XFER_MW_DMA_0 + 5;
-	}
+	} else
 		idx = mode - XFER_PIO_0;
 	t1 |= ini_time_value[clk][idx] << 12;
 	t1 |= act_time_value[clk][idx] << 16;
@@ -579,7 +579,7 @@ static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
 		hwif->cbl = ata66_sis5513(hwif);
 }
 
-static ide_pci_device_t sis5513_chipset __devinitdata = {
+static const struct ide_port_info sis5513_chipset __devinitdata = {
 	.name		= "SIS5513",
 	.init_chipset	= init_chipset_sis5513,
 	.init_hwif	= init_hwif_sis5513,
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 0dce459..147d783 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -361,13 +361,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
 	hwif->selectproc	= &sl82c105_selectproc;
 	hwif->resetproc 	= &sl82c105_resetproc;
 
-	/*
-	 * We support 32-bit I/O on this interface, and
-	 * it doesn't have problems with interrupts.
-	 */
-	hwif->drives[0].io_32bit = hwif->drives[1].io_32bit = 1;
-	hwif->drives[0].unmask   = hwif->drives[1].unmask   = 1;
-
 	if (!hwif->dma_base)
 		return;
 
@@ -394,12 +387,15 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
 		hwif->serialized = hwif->mate->serialized = 1;
 }
 
-static ide_pci_device_t sl82c105_chipset __devinitdata = {
+static const struct ide_port_info sl82c105_chipset __devinitdata = {
 	.name		= "W82C105",
 	.init_chipset	= init_chipset_sl82c105,
 	.init_hwif	= init_hwif_sl82c105,
 	.enablebits	= {{0x40,0x01,0x01}, {0x40,0x10,0x10}},
-	.host_flags	= IDE_HFLAG_NO_AUTODMA | IDE_HFLAG_BOOTABLE,
+	.host_flags	= IDE_HFLAG_IO_32BIT |
+			  IDE_HFLAG_UNMASK_IRQS |
+			  IDE_HFLAG_NO_AUTODMA |
+			  IDE_HFLAG_BOOTABLE,
 	.pio_mask	= ATA_PIO5,
 };
 
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 4f22dff..eb4445b 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -1,5 +1,5 @@
 /*
- *  linux/drivers/ide/pci/slc90e66.c	Version 0.18	Aug 9, 2007
+ *  linux/drivers/ide/pci/slc90e66.c	Version 0.19	Sep 24, 2007
  *
  *  Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
  *  Copyright (C) 2006-2007 MontaVista Software, Inc. <source@mvista.com>
@@ -21,6 +21,8 @@
 
 #include <asm/io.h>
 
+static DEFINE_SPINLOCK(slc90e66_lock);
+
 static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
@@ -40,7 +42,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 					{ 2, 1 },
 					{ 2, 3 }, };
 
-	spin_lock_irqsave(&ide_lock, flags);
+	spin_lock_irqsave(&slc90e66_lock, flags);
 	pci_read_config_word(dev, master_port, &master_data);
 
 	if (pio > 1)
@@ -71,7 +73,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	pci_write_config_word(dev, master_port, master_data);
 	if (is_slave)
 		pci_write_config_byte(dev, slave_port, slave_data);
-	spin_unlock_irqrestore(&ide_lock, flags);
+	spin_unlock_irqrestore(&slc90e66_lock, flags);
 }
 
 static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
@@ -146,7 +148,7 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
 		hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 }
 
-static ide_pci_device_t slc90e66_chipset __devinitdata = {
+static const struct ide_port_info slc90e66_chipset __devinitdata = {
 	.name		= "SLC90E66",
 	.init_hwif	= init_hwif_slc90e66,
 	.enablebits	= {{0x41,0x80,0x80}, {0x43,0x80,0x80}},
diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c
index 631506e..a66ebd1 100644
--- a/drivers/ide/pci/tc86c001.c
+++ b/drivers/ide/pci/tc86c001.c
@@ -218,7 +218,7 @@ static unsigned int __devinit init_chipset_tc86c001(struct pci_dev *dev,
 	return err;
 }
 
-static ide_pci_device_t tc86c001_chipset __devinitdata = {
+static const struct ide_port_info tc86c001_chipset __devinitdata = {
 	.name		= "TC86C001",
 	.init_chipset	= init_chipset_tc86c001,
 	.init_hwif	= init_hwif_tc86c001,
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index 30b52f6..a227c41 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -102,7 +102,7 @@ static void __devinit init_hwif_triflex(ide_hwif_t *hwif)
 	hwif->set_dma_mode = &triflex_set_mode;
 }
 
-static ide_pci_device_t triflex_device __devinitdata = {
+static const struct ide_port_info triflex_device __devinitdata = {
 	.name		= "TRIFLEX",
 	.init_hwif	= init_hwif_triflex,
 	.enablebits	= {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}},
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index 140d486..5011ba2 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -250,7 +250,6 @@ static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
 	u8 reg = 0;
 	struct pci_dev *dev = hwif->pci_dev;
 
-	hwif->chipset = ide_trm290;
 	cfgbase = pci_resource_start(dev, 4);
 	if ((dev->class & 5) && cfgbase) {
 		hwif->config_data = cfgbase;
@@ -320,9 +319,10 @@ static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
 #endif
 }
 
-static ide_pci_device_t trm290_chipset __devinitdata = {
+static const struct ide_port_info trm290_chipset __devinitdata = {
 	.name		= "TRM290",
 	.init_hwif	= init_hwif_trm290,
+	.chipset	= ide_trm290,
 	.host_flags	= IDE_HFLAG_NO_ATAPI_DMA |
 #if 0 /* play it safe for now */
 			  IDE_HFLAG_TRUST_BIOS_FOR_DMA |
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index c8022a9..a0d3c16 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -1,6 +1,6 @@
 /*
  *
- * Version 3.49
+ * Version 3.50
  *
  * VIA IDE driver for Linux. Supported southbridges:
  *
@@ -422,65 +422,40 @@ static u8 __devinit via82cxxx_cable_detect(ide_hwif_t *hwif)
 
 static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
 {
-	struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
-	int i;
-
 	hwif->set_pio_mode = &via_set_pio_mode;
 	hwif->set_dma_mode = &via_set_drive;
 
-#ifdef CONFIG_PPC_CHRP
-	if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) {
-		hwif->irq = hwif->channel ? 15 : 14;
-	}
-#endif
-
-	for (i = 0; i < 2; i++) {
-		hwif->drives[i].io_32bit = 1;
-		hwif->drives[i].unmask = (vdev->via_config->flags & VIA_NO_UNMASK) ? 0 : 1;
-	}
-
 	if (!hwif->dma_base)
 		return;
 
-	hwif->ultra_mask = vdev->via_config->udma_mask;
-
 	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
 		hwif->cbl = via82cxxx_cable_detect(hwif);
 }
 
-static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
-	{	/* 0 */
-		.name		= "VP_IDE",
-		.init_chipset	= init_chipset_via82cxxx,
-		.init_hwif	= init_hwif_via82cxxx,
-		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
-		.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST |
-				  IDE_HFLAG_PIO_NO_DOWNGRADE |
-				  IDE_HFLAG_POST_SET_MODE |
-				  IDE_HFLAG_NO_AUTODMA |
-				  IDE_HFLAG_BOOTABLE,
-		.pio_mask	= ATA_PIO5,
-		.swdma_mask	= ATA_SWDMA2,
-		.mwdma_mask	= ATA_MWDMA2,
-	},{	/* 1 */
-		.name		= "VP_IDE",
-		.init_chipset	= init_chipset_via82cxxx,
-		.init_hwif	= init_hwif_via82cxxx,
-		.enablebits	= {{0x00,0x00,0x00}, {0x00,0x00,0x00}},
-		.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST |
-				  IDE_HFLAG_PIO_NO_DOWNGRADE |
-				  IDE_HFLAG_POST_SET_MODE |
-				  IDE_HFLAG_BOOTABLE,
-		.pio_mask	= ATA_PIO5,
-		.swdma_mask	= ATA_SWDMA2,
-		.mwdma_mask	= ATA_MWDMA2,
-	}
+static const struct ide_port_info via82cxxx_chipset __devinitdata = {
+	.name		= "VP_IDE",
+	.init_chipset	= init_chipset_via82cxxx,
+	.init_hwif	= init_hwif_via82cxxx,
+	.enablebits	= { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
+	.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST |
+			  IDE_HFLAG_PIO_NO_DOWNGRADE |
+			  IDE_HFLAG_POST_SET_MODE |
+			  IDE_HFLAG_IO_32BIT |
+			  IDE_HFLAG_BOOTABLE,
+	.pio_mask	= ATA_PIO5,
+	.swdma_mask	= ATA_SWDMA2,
+	.mwdma_mask	= ATA_MWDMA2,
 };
 
 static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	struct pci_dev *isa = NULL;
 	struct via_isa_bridge *via_config;
+	u8 idx = id->driver_data;
+	struct ide_port_info d;
+
+	d = via82cxxx_chipset;
+
 	/*
 	 * Find the ISA bridge and check we know what it is.
 	 */
@@ -490,7 +465,23 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
 		printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n");
 		return -ENODEV;
 	}
-	return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]);
+
+	if (idx == 0)
+		d.host_flags |= IDE_HFLAG_NO_AUTODMA;
+	else
+		d.enablebits[1].reg = d.enablebits[0].reg = 0;
+
+	if ((via_config->flags & VIA_NO_UNMASK) == 0)
+		d.host_flags |= IDE_HFLAG_UNMASK_IRQS;
+
+#ifdef CONFIG_PPC_CHRP
+	if (machine_is(chrp) && _chrp_type == _CHRP_Pegasos)
+		d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS;
+#endif
+
+	d.udma_mask = via_config->udma_mask;
+
+	return ide_setup_pci_device(dev, &d);
 }
 
 static const struct pci_device_id via_pci_tbl[] = {
diff --git a/drivers/ide/ppc/mpc8xx.c b/drivers/ide/ppc/mpc8xx.c
index df2e920..5f0da35 100644
--- a/drivers/ide/ppc/mpc8xx.c
+++ b/drivers/ide/ppc/mpc8xx.c
@@ -316,8 +316,8 @@ m8xx_ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
 
 	ide_hwifs[data_port].pio_mask = ATA_PIO4;
 	ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
+	ide_hwifs[data_port].ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
 
-	hw->ack_intr = (ide_ack_intr_t *) ide_interrupt_ack;
 	/* Enable Harddisk Interrupt,
 	 * and make it edge sensitive
 	 */
@@ -402,8 +402,8 @@ void m8xx_ide_init_hwif_ports (hw_regs_t *hw,
 
 	ide_hwifs[data_port].pio_mask = ATA_PIO4;
 	ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
+	ide_hwifs[data_port].ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
 
-	hw->ack_intr = (ide_ack_intr_t *) ide_interrupt_ack;
 	/* Enable Harddisk Interrupt,
 	 * and make it edge sensitive
 	 */
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index c554793..816b531 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1039,6 +1039,8 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
 {
 	struct device_node *np = pmif->node;
 	const int *bidp;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+	hw_regs_t hw;
 
 	pmif->cable_80 = 0;
 	pmif->broken_dma = pmif->broken_dma_warn = 0;
@@ -1124,8 +1126,9 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
 	/* Tell common code _not_ to mess with resources */
 	hwif->mmio = 1;
 	hwif->hwif_data = pmif;
-	pmac_ide_init_hwif_ports(&hwif->hw, pmif->regbase, 0, &hwif->irq);
-	memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
+	memset(&hw, 0, sizeof(hw));
+	pmac_ide_init_hwif_ports(&hw, pmif->regbase, 0, &hwif->irq);
+	memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
 	hwif->chipset = ide_pmac;
 	hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET] || pmif->mediabay;
 	hwif->hold = pmif->mediabay;
@@ -1163,10 +1166,9 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
 		pmac_ide_setup_dma(pmif, hwif);
 #endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
 
-	/* We probe the hwif now */
-	probe_hwif_init(hwif);
+	idx[0] = hwif->index;
 
-	ide_proc_register_port(hwif);
+	ide_device_add(idx);
 
 	return 0;
 }
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index fff567b..02d14bf 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -147,15 +147,15 @@ static int ide_setup_pci_baseregs (struct pci_dev *dev, const char *name)
 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI
 /**
  *	ide_get_or_set_dma_base		-	setup BMIBA
- *	@d: IDE pci device data
- *	@hwif: Interface
+ *	@d: IDE port info
+ *	@hwif: IDE interface
  *
  *	Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space.
  *	Where a device has a partner that is already in DMA mode we check
  *	and enforce IDE simplex rules.
  */
 
-static unsigned long ide_get_or_set_dma_base(ide_pci_device_t *d, ide_hwif_t *hwif)
+static unsigned long ide_get_or_set_dma_base(const struct ide_port_info *d, ide_hwif_t *hwif)
 {
 	unsigned long	dma_base = 0;
 	struct pci_dev	*dev = hwif->pci_dev;
@@ -225,10 +225,11 @@ static unsigned long ide_get_or_set_dma_base(ide_pci_device_t *d, ide_hwif_t *hw
 }
 #endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
 
-void ide_setup_pci_noise (struct pci_dev *dev, ide_pci_device_t *d)
+void ide_setup_pci_noise(struct pci_dev *dev, const struct ide_port_info *d)
 {
-	printk(KERN_INFO "%s: IDE controller at PCI slot %s\n",
-			 d->name, pci_name(dev));
+	printk(KERN_INFO "%s: IDE controller (0x%04x:0x%04x rev 0x%02x) at "
+			 " PCI slot %s\n", d->name, dev->vendor, dev->device,
+			 dev->revision, pci_name(dev));
 }
 
 EXPORT_SYMBOL_GPL(ide_setup_pci_noise);
@@ -237,15 +238,15 @@ EXPORT_SYMBOL_GPL(ide_setup_pci_noise);
 /**
  *	ide_pci_enable	-	do PCI enables
  *	@dev: PCI device
- *	@d: IDE pci device data
+ *	@d: IDE port info
  *
  *	Enable the IDE PCI device. We attempt to enable the device in full
  *	but if that fails then we only need BAR4 so we will enable that.
  *	
  *	Returns zero on success or an error code
  */
- 
-static int ide_pci_enable(struct pci_dev *dev, ide_pci_device_t *d)
+
+static int ide_pci_enable(struct pci_dev *dev, const struct ide_port_info *d)
 {
 	int ret;
 
@@ -260,9 +261,9 @@ static int ide_pci_enable(struct pci_dev *dev, ide_pci_device_t *d)
 	}
 
 	/*
-	 * assume all devices can do 32-bit dma for now. we can add a
-	 * dma mask field to the ide_pci_device_t if we need it (or let
-	 * lower level driver set the dma mask)
+	 * assume all devices can do 32-bit DMA for now, we can add
+	 * a DMA mask field to the struct ide_port_info if we need it
+	 * (or let lower level driver set the DMA mask)
 	 */
 	ret = pci_set_dma_mask(dev, DMA_32BIT_MASK);
 	if (ret < 0) {
@@ -284,13 +285,13 @@ out:
 /**
  *	ide_pci_configure	-	configure an unconfigured device
  *	@dev: PCI device
- *	@d: IDE pci device data
+ *	@d: IDE port info
  *
  *	Enable and configure the PCI device we have been passed.
  *	Returns zero on success or an error code.
  */
- 
-static int ide_pci_configure(struct pci_dev *dev, ide_pci_device_t *d)
+
+static int ide_pci_configure(struct pci_dev *dev, const struct ide_port_info *d)
 {
 	u16 pcicmd = 0;
 	/*
@@ -318,15 +319,15 @@ static int ide_pci_configure(struct pci_dev *dev, ide_pci_device_t *d)
 
 /**
  *	ide_pci_check_iomem	-	check a register is I/O
- *	@dev: pci device
- *	@d: ide_pci_device
- *	@bar: bar number
+ *	@dev: PCI device
+ *	@d: IDE port info
+ *	@bar: BAR number
  *
  *	Checks if a BAR is configured and points to MMIO space. If so
  *	print an error and return an error code. Otherwise return 0
  */
- 
-static int ide_pci_check_iomem(struct pci_dev *dev, ide_pci_device_t *d, int bar)
+
+static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *d, int bar)
 {
 	ulong flags = pci_resource_flags(dev, bar);
 	
@@ -348,7 +349,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, ide_pci_device_t *d, int bar
 /**
  *	ide_hwif_configure	-	configure an IDE interface
  *	@dev: PCI device holding interface
- *	@d: IDE pci data
+ *	@d: IDE port info
  *	@mate: Paired interface if any
  *
  *	Perform the initial set up for the hardware interface structure. This
@@ -357,8 +358,8 @@ static int ide_pci_check_iomem(struct pci_dev *dev, ide_pci_device_t *d, int bar
  *
  *	Returns the new hardware interface structure, or NULL on a failure
  */
- 
-static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *mate, int port, int irq)
+
+static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, const struct ide_port_info *d, ide_hwif_t *mate, int port, int irq)
 {
 	unsigned long ctl = 0, base = 0;
 	ide_hwif_t *hwif;
@@ -387,19 +388,20 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_pci_device_t *d,
 		return NULL;	/* no room in ide_hwifs[] */
 	if (hwif->io_ports[IDE_DATA_OFFSET] != base ||
 	    hwif->io_ports[IDE_CONTROL_OFFSET] != (ctl | 2)) {
-		memset(&hwif->hw, 0, sizeof(hwif->hw));
-#ifndef IDE_ARCH_OBSOLETE_INIT
-		ide_std_init_ports(&hwif->hw, base, (ctl | 2));
-		hwif->hw.io_ports[IDE_IRQ_OFFSET] = 0;
+		hw_regs_t hw;
+
+		memset(&hw, 0, sizeof(hw));
+#ifndef CONFIG_IDE_ARCH_OBSOLETE_INIT
+		ide_std_init_ports(&hw, base, ctl | 2);
 #else
-		ide_init_hwif_ports(&hwif->hw, base, (ctl | 2), NULL);
+		ide_init_hwif_ports(&hw, base, ctl | 2, NULL);
 #endif
-		memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
+		memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
 		hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
 	}
-	hwif->chipset = ide_pci;
+	hwif->chipset = d->chipset ? d->chipset : ide_pci;
 	hwif->pci_dev = dev;
-	hwif->cds = (struct ide_pci_device_s *) d;
+	hwif->cds = d;
 	hwif->channel = port;
 
 	if (!hwif->irq)
@@ -414,21 +416,17 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_pci_device_t *d,
 /**
  *	ide_hwif_setup_dma	-	configure DMA interface
  *	@dev: PCI device
- *	@d: IDE pci data
- *	@hwif: Hardware interface we are configuring
+ *	@d: IDE port info
+ *	@hwif: IDE interface
  *
  *	Set up the DMA base for the interface. Enable the master bits as
  *	necessary and attempt to bring the device DMA into a ready to use
  *	state
  */
- 
-#ifndef CONFIG_BLK_DEV_IDEDMA_PCI
-static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif)
-{
-}
-#else
-static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif)
+
+static void ide_hwif_setup_dma(struct pci_dev *dev, const struct ide_port_info *d, ide_hwif_t *hwif)
 {
+#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
 	u16 pcicmd;
 
 	pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
@@ -460,13 +458,13 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi
 				"(BIOS)\n", hwif->name, d->name);
 		}
 	}
-}
 #endif /* CONFIG_BLK_DEV_IDEDMA_PCI*/
+}
 
 /**
  *	ide_setup_pci_controller	-	set up IDE PCI
  *	@dev: PCI device
- *	@d: IDE PCI data
+ *	@d: IDE port info
  *	@noisy: verbose flag
  *	@config: returned as 1 if we configured the hardware
  *
@@ -474,8 +472,8 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi
  *	up the PCI side of the device, checks that the device is enabled
  *	and enables it if need be
  */
- 
-static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, int noisy, int *config)
+
+static int ide_setup_pci_controller(struct pci_dev *dev, const struct ide_port_info *d, int noisy, int *config)
 {
 	int ret;
 	u16 pcicmd;
@@ -500,9 +498,6 @@ static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, in
 		printk(KERN_INFO "%s: device enabled (Linux)\n", d->name);
 	}
 
-	if (noisy)
-		printk(KERN_INFO "%s: chipset revision %d\n",
-				 d->name, dev->revision);
 out:
 	return ret;
 }
@@ -510,9 +505,9 @@ out:
 /**
  *	ide_pci_setup_ports	-	configure ports/devices on PCI IDE
  *	@dev: PCI device
- *	@d: IDE pci device info
+ *	@d: IDE port info
  *	@pciirq: IRQ line
- *	@index: ata index to update
+ *	@idx: ATA index table to update
  *
  *	Scan the interfaces attached to this device and do any
  *	necessary per port setup. Attach the devices and ask the
@@ -522,26 +517,25 @@ out:
  *	but is also used directly as a helper function by some controllers
  *	where the chipset setup is not the default PCI IDE one.
  */
- 
-void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, ata_index_t *index)
+
+void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int pciirq, u8 *idx)
 {
 	int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port;
-	int at_least_one_hwif_enabled = 0;
 	ide_hwif_t *hwif, *mate = NULL;
 	u8 tmp;
 
-	index->all = 0xf0f0;
-
 	/*
 	 * Set up the IDE ports
 	 */
-	 
+
 	for (port = 0; port < channels; ++port) {
-		ide_pci_enablebit_t *e = &(d->enablebits[port]);
-	
+		const ide_pci_enablebit_t *e = &(d->enablebits[port]);
+
 		if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
-		    (tmp & e->mask) != e->val))
+		    (tmp & e->mask) != e->val)) {
+			printk(KERN_INFO "%s: IDE port disabled\n", d->name);
 			continue;	/* port not enabled */
+		}
 
 		if ((hwif = ide_hwif_configure(dev, d, mate, port, pciirq)) == NULL)
 			continue;
@@ -549,11 +543,7 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
 		/* setup proper ancestral information */
 		hwif->gendev.parent = &dev->dev;
 
-		if (hwif->channel) {
-			index->b.high = hwif->index;
-		} else {
-			index->b.low = hwif->index;
-		}
+		*(idx + port) = hwif->index;
 
 		
 		if (d->init_iops)
@@ -562,15 +552,28 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
 		if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0)
 			ide_hwif_setup_dma(dev, d, hwif);
 
-		if ((d->host_flags & IDE_HFLAG_LEGACY_IRQS) && hwif->irq == 0)
+		if ((!hwif->irq && (d->host_flags & IDE_HFLAG_LEGACY_IRQS)) ||
+		    (d->host_flags & IDE_HFLAG_FORCE_LEGACY_IRQS))
 			hwif->irq = port ? 15 : 14;
 
+		hwif->fixup = d->fixup;
+
 		hwif->host_flags = d->host_flags;
 		hwif->pio_mask = d->pio_mask;
 
 		if ((d->host_flags & IDE_HFLAG_SERIALIZE) && hwif->mate)
 			hwif->mate->serialized = hwif->serialized = 1;
 
+		if (d->host_flags & IDE_HFLAG_IO_32BIT) {
+			hwif->drives[0].io_32bit = 1;
+			hwif->drives[1].io_32bit = 1;
+		}
+
+		if (d->host_flags & IDE_HFLAG_UNMASK_IRQS) {
+			hwif->drives[0].unmask = 1;
+			hwif->drives[1].unmask = 1;
+		}
+
 		if (hwif->dma_base) {
 			hwif->swdma_mask = d->swdma_mask;
 			hwif->mwdma_mask = d->mwdma_mask;
@@ -580,6 +583,9 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
 		hwif->drives[0].autotune = 1;
 		hwif->drives[1].autotune = 1;
 
+		if (d->host_flags & IDE_HFLAG_RQSIZE_256)
+			hwif->rqsize = 256;
+
 		if (d->init_hwif)
 			/* Call chipset-specific routine
 			 * for each enabled hwif
@@ -587,10 +593,7 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
 			d->init_hwif(hwif);
 
 		mate = hwif;
-		at_least_one_hwif_enabled = 1;
 	}
-	if (!at_least_one_hwif_enabled)
-		printk(KERN_INFO "%s: neither IDE port enabled (BIOS)\n", d->name);
 }
 
 EXPORT_SYMBOL_GPL(ide_pci_setup_ports);
@@ -602,13 +605,13 @@ EXPORT_SYMBOL_GPL(ide_pci_setup_ports);
  *
  * One thing that is not standardized is the location of the
  * primary/secondary interface "enable/disable" bits.  For chipsets that
- * we "know" about, this information is in the ide_pci_device_t struct;
+ * we "know" about, this information is in the struct ide_port_info;
  * for all other chipsets, we just assume both interfaces are enabled.
  */
-static int do_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d,
-				   ata_index_t *index, u8 noisy)
+static int do_ide_setup_pci_device(struct pci_dev *dev,
+				   const struct ide_port_info *d,
+				   u8 *idx, u8 noisy)
 {
-	static ata_index_t ata_index = { .b = { .low = 0xff, .high = 0xff } };
 	int tried_config = 0;
 	int pciirq, ret;
 
@@ -658,51 +661,35 @@ static int do_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d,
 
 	/* FIXME: silent failure can happen */
 
-	*index = ata_index;
-	ide_pci_setup_ports(dev, d, pciirq, index);
+	ide_pci_setup_ports(dev, d, pciirq, idx);
 out:
 	return ret;
 }
 
-int ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d)
+int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d)
 {
-	ide_hwif_t *hwif = NULL, *mate = NULL;
-	ata_index_t index_list;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 	int ret;
 
-	ret = do_ide_setup_pci_device(dev, d, &index_list, 1);
-	if (ret < 0)
-		goto out;
+	ret = do_ide_setup_pci_device(dev, d, &idx[0], 1);
 
-	if ((index_list.b.low & 0xf0) != 0xf0)
-		hwif = &ide_hwifs[index_list.b.low];
-	if ((index_list.b.high & 0xf0) != 0xf0)
-		mate = &ide_hwifs[index_list.b.high];
+	if (ret >= 0)
+		ide_device_add(idx);
 
-	if (hwif)
-		probe_hwif_init_with_fixup(hwif, d->fixup);
-	if (mate)
-		probe_hwif_init_with_fixup(mate, d->fixup);
-
-	if (hwif)
-		ide_proc_register_port(hwif);
-	if (mate)
-		ide_proc_register_port(mate);
-out:
 	return ret;
 }
 
 EXPORT_SYMBOL_GPL(ide_setup_pci_device);
 
 int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
-			  ide_pci_device_t *d)
+			  const struct ide_port_info *d)
 {
 	struct pci_dev *pdev[] = { dev1, dev2 };
-	ata_index_t index_list[2];
 	int ret, i;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
 	for (i = 0; i < 2; i++) {
-		ret = do_ide_setup_pci_device(pdev[i], d, index_list + i, !i);
+		ret = do_ide_setup_pci_device(pdev[i], d, &idx[i*2], !i);
 		/*
 		 * FIXME: Mom, mom, they stole me the helper function to undo
 		 * do_ide_setup_pci_device() on the first device!
@@ -711,25 +698,7 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
 			goto out;
 	}
 
-	for (i = 0; i < 2; i++) {
-		u8 idx[2] = { index_list[i].b.low, index_list[i].b.high };
-		int j;
-
-		for (j = 0; j < 2; j++) {
-			if ((idx[j] & 0xf0) != 0xf0)
-				probe_hwif_init(ide_hwifs + idx[j]);
-		}
-	}
-
-	for (i = 0; i < 2; i++) {
-		u8 idx[2] = { index_list[i].b.low, index_list[i].b.high };
-		int j;
-
-		for (j = 0; j < 2; j++) {
-			if ((idx[j] & 0xf0) != 0xf0)
-				ide_proc_register_port(ide_hwifs + idx[j]);
-		}
-	}
+	ide_device_add(idx);
 out:
 	return ret;
 }
@@ -754,9 +723,6 @@ static LIST_HEAD(ide_pci_drivers);
  *	hands the controllers off to the core PCI code to do the rest of
  *	the work.
  *
- *	The driver_data of the driver table must point to an ide_pci_device_t
- *	describing the interface.
- *
  *	Returns are the same as for pci_register_driver
  */
 
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index c803d2b..48d647a 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -563,7 +563,7 @@ static void media_bay_step(int i)
 				ide_init_hwif_ports(&hw, (unsigned long) bay->cd_base, (unsigned long) 0, NULL);
 				hw.irq = bay->cd_irq;
 				hw.chipset = ide_pmac;
-				bay->cd_index = ide_register_hw(&hw, 0, NULL);
+				bay->cd_index = ide_register_hw(&hw, NULL, 0, NULL);
 				pmu_resume();
 			}
 			if (bay->cd_index == -1) {
diff --git a/include/asm-alpha/ide.h b/include/asm-alpha/ide.h
index 2a5cc0b..b7bf68d 100644
--- a/include/asm-alpha/ide.h
+++ b/include/asm-alpha/ide.h
@@ -40,7 +40,6 @@ static inline unsigned long ide_default_io_base(int index)
 	}
 }
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #ifdef CONFIG_PCI
diff --git a/include/asm-arm/ide.h b/include/asm-arm/ide.h
index 4f68c8a..f348fcf 100644
--- a/include/asm-arm/ide.h
+++ b/include/asm-arm/ide.h
@@ -18,7 +18,6 @@
 #endif
 
 #if !defined(CONFIG_ARCH_L7200)
-# define IDE_ARCH_OBSOLETE_INIT
 # ifdef CONFIG_ARCH_CLPS7500
 #  define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 # else
diff --git a/include/asm-blackfin/ide.h b/include/asm-blackfin/ide.h
index 41b2db4..121e272 100644
--- a/include/asm-blackfin/ide.h
+++ b/include/asm-blackfin/ide.h
@@ -20,7 +20,6 @@
 #define MAX_HWIFS	1
 
 /* Legacy ... BLK_DEV_IDECS */
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 
diff --git a/include/asm-cris/arch-v32/ide.h b/include/asm-cris/arch-v32/ide.h
index 6590f65..1129617 100644
--- a/include/asm-cris/arch-v32/ide.h
+++ b/include/asm-cris/arch-v32/ide.h
@@ -54,7 +54,7 @@ static inline unsigned long ide_default_io_base(int index)
 #define SUPPORT_VLB_SYNC 0
 
 #define IDE_ARCH_ACK_INTR
-#define ide_ack_intr(hwif)	(hwif)->hw.ack_intr(hwif)
+#define ide_ack_intr(hwif)	((hwif)->ack_intr(hwif))
 
 #endif /* __KERNEL__ */
 
diff --git a/include/asm-ia64/ide.h b/include/asm-ia64/ide.h
index e928675..1ccf238 100644
--- a/include/asm-ia64/ide.h
+++ b/include/asm-ia64/ide.h
@@ -46,7 +46,6 @@ static inline unsigned long ide_default_io_base(int index)
 	}
 }
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #ifdef CONFIG_PCI
diff --git a/include/asm-m32r/ide.h b/include/asm-m32r/ide.h
index 4672a49..5d2044e 100644
--- a/include/asm-m32r/ide.h
+++ b/include/asm-m32r/ide.h
@@ -65,7 +65,6 @@ static __inline__ unsigned long ide_default_io_base(int index)
 	}
 }
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #ifdef CONFIG_BLK_DEV_IDEPCI
diff --git a/include/asm-m68k/ide.h b/include/asm-m68k/ide.h
index f9ffb2c..909c6df 100644
--- a/include/asm-m68k/ide.h
+++ b/include/asm-m68k/ide.h
@@ -137,7 +137,7 @@ ide_get_lock(irq_handler_t handler, void *data)
 #endif /* CONFIG_BLK_DEV_FALCON_IDE */
 
 #define IDE_ARCH_ACK_INTR
-#define ide_ack_intr(hwif)	((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1)
+#define ide_ack_intr(hwif)	((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
 
 #endif /* __KERNEL__ */
 #endif /* _M68K_IDE_H */
diff --git a/include/asm-mips/mach-generic/ide.h b/include/asm-mips/mach-generic/ide.h
index a771283..4ec2b93 100644
--- a/include/asm-mips/mach-generic/ide.h
+++ b/include/asm-mips/mach-generic/ide.h
@@ -98,7 +98,6 @@ static __inline__ unsigned long ide_default_io_base(int index)
 	}
 }
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #ifdef CONFIG_BLK_DEV_IDEPCI
diff --git a/include/asm-parisc/ide.h b/include/asm-parisc/ide.h
index b27bf7a..be8760f 100644
--- a/include/asm-parisc/ide.h
+++ b/include/asm-parisc/ide.h
@@ -17,7 +17,6 @@
 #define MAX_HWIFS	2
 #endif
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
diff --git a/include/asm-powerpc/ide.h b/include/asm-powerpc/ide.h
index 1644e44..fd7f5a4 100644
--- a/include/asm-powerpc/ide.h
+++ b/include/asm-powerpc/ide.h
@@ -69,12 +69,11 @@ static __inline__ unsigned long ide_default_io_base(int index)
 
 #ifdef CONFIG_BLK_DEV_MPC8xx_IDE
 #define IDE_ARCH_ACK_INTR  1
-#define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
+#define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
 #endif
 
 #endif /* __powerpc64__ */
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-sh64/ide.h b/include/asm-sh64/ide.h
index c9d84d5..b6e31e8 100644
--- a/include/asm-sh64/ide.h
+++ b/include/asm-sh64/ide.h
@@ -19,7 +19,6 @@
 /* Without this, the initialisation of PCI IDE cards end up calling
  * ide_init_hwif_ports, which won't work. */
 #ifdef CONFIG_BLK_DEV_IDEPCI
-#define IDE_ARCH_OBSOLETE_INIT 1
 #define ide_default_io_ctl(base)	(0)
 #endif
 
diff --git a/include/asm-sparc/ide.h b/include/asm-sparc/ide.h
index a6d735a..4040227 100644
--- a/include/asm-sparc/ide.h
+++ b/include/asm-sparc/ide.h
@@ -18,7 +18,6 @@
 #undef  MAX_HWIFS
 #define MAX_HWIFS	2
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #define __ide_insl(data_reg, buffer, wcount) \
diff --git a/include/asm-sparc64/ide.h b/include/asm-sparc64/ide.h
index 55149cf..ac7eb21 100644
--- a/include/asm-sparc64/ide.h
+++ b/include/asm-sparc64/ide.h
@@ -24,7 +24,6 @@
 # endif
 #endif
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #define __ide_insl(data_reg, buffer, wcount) \
diff --git a/include/asm-x86/ide.h b/include/asm-x86/ide.h
index e7817a3..42130ad 100644
--- a/include/asm-x86/ide.h
+++ b/include/asm-x86/ide.h
@@ -62,7 +62,6 @@ static __inline__ unsigned long ide_default_io_base(int index)
 	}
 }
 
-#define IDE_ARCH_OBSOLETE_INIT
 #define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
 
 #ifdef CONFIG_BLK_DEV_IDEPCI
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 19db0a4..2e4b8dd 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -192,22 +192,20 @@ typedef unsigned char	byte;	/* used everywhere */
 struct hwif_s;
 typedef int (ide_ack_intr_t)(struct hwif_s *);
 
-#ifndef NO_DMA
-#define NO_DMA  255
-#endif
-
 /*
  * hwif_chipset_t is used to keep track of the specific hardware
  * chipset used by each IDE interface, if known.
  */
-typedef enum {	ide_unknown,	ide_generic,	ide_pci,
+enum {		ide_unknown,	ide_generic,	ide_pci,
 		ide_cmd640,	ide_dtc2278,	ide_ali14xx,
 		ide_qd65xx,	ide_umc8672,	ide_ht6560b,
 		ide_rz1000,	ide_trm290,
 		ide_cmd646,	ide_cy82c693,	ide_4drives,
 		ide_pmac,	ide_etrax100,	ide_acorn,
 		ide_au1xxx, ide_forced
-} hwif_chipset_t;
+};
+
+typedef u8 hwif_chipset_t;
 
 /*
  * Structure to hold all information about the location of this port
@@ -215,22 +213,16 @@ typedef enum {	ide_unknown,	ide_generic,	ide_pci,
 typedef struct hw_regs_s {
 	unsigned long	io_ports[IDE_NR_PORTS];	/* task file registers */
 	int		irq;			/* our irq number */
-	int		dma;			/* our dma entry */
 	ide_ack_intr_t	*ack_intr;		/* acknowledge interrupt */
 	hwif_chipset_t  chipset;
 	struct device	*dev;
 } hw_regs_t;
 
-/*
- * Register new hardware with ide
- */
-int ide_register_hw(hw_regs_t *, int, struct hwif_s **);
-int ide_register_hw_with_fixup(hw_regs_t *, int, struct hwif_s **,
-			       void (*)(struct hwif_s *));
+struct hwif_s * ide_find_port(unsigned long);
+
+int ide_register_hw(hw_regs_t *, void (*)(struct hwif_s *), int,
+		    struct hwif_s **);
 
-/*
- * Set up hw_regs_t structure before calling ide_register_hw (optional)
- */
 void ide_setup_ports(	hw_regs_t *hw,
 			unsigned long base,
 			int *offsets,
@@ -268,11 +260,7 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
 # define ide_init_default_irq(base)	(0)
 #endif
 
-/*
- * ide_init_hwif_ports() is OBSOLETE and will be removed in 2.7 series.
- * New ports shouldn't define IDE_ARCH_OBSOLETE_INIT in <asm/ide.h>.
- */
-#ifdef IDE_ARCH_OBSOLETE_INIT
+#ifdef CONFIG_IDE_ARCH_OBSOLETE_INIT
 static inline void ide_init_hwif_ports(hw_regs_t *hw,
 				       unsigned long io_addr,
 				       unsigned long ctl_addr,
@@ -302,7 +290,7 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw,
 	if (io_addr || ctl_addr)
 		printk(KERN_WARNING "%s: must not be called\n", __FUNCTION__);
 }
-#endif /* IDE_ARCH_OBSOLETE_INIT */
+#endif /* CONFIG_IDE_ARCH_OBSOLETE_INIT */
 
 /* Currently only m68k, apus and m8xx need it */
 #ifndef IDE_ARCH_ACK_INTR
@@ -363,7 +351,6 @@ typedef union {
  * ATA DATA Register Special.
  * ATA NSECTOR Count Register().
  * ATAPI Byte Count Register.
- * Channel index ordering pairs.
  */
 typedef union {
 	unsigned all			:16;
@@ -378,7 +365,7 @@ typedef union {
 #error "Please fix <asm/byteorder.h>"
 #endif
 	} b;
-} ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
+} ata_nsector_t, ata_data_t, atapi_bcount_t;
 
 /*
  * ATA-IDE Select Register, aka Device-Head
@@ -657,7 +644,7 @@ typedef struct ide_drive_s {
     ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx))
 #define IDE_CHIPSET_IS_PCI(c)	((IDE_CHIPSET_PCI_MASK >> (c)) & 1)
 
-struct ide_pci_device_s;
+struct ide_port_info;
 
 typedef struct hwif_s {
 	struct hwif_s *next;		/* for linked-list in ide_hwgroup_t */
@@ -672,7 +659,6 @@ typedef struct hwif_s {
 	unsigned long	sata_scr[SATA_NR_PORTS];
 	unsigned long	sata_misc[SATA_NR_PORTS];
 
-	hw_regs_t	hw;		/* Hardware info */
 	ide_drive_t	drives[MAX_DRIVES];	/* drive info */
 
 	u8 major;	/* our major number */
@@ -694,7 +680,9 @@ typedef struct hwif_s {
 	hwif_chipset_t chipset;	/* sub-module for tuning.. */
 
 	struct pci_dev  *pci_dev;	/* for pci chipsets */
-	struct ide_pci_device_s	*cds;	/* chipset device struct */
+	const struct ide_port_info *cds;	/* chipset device struct */
+
+	ide_ack_intr_t *ack_intr;
 
 	void (*rw_disk)(ide_drive_t *, struct request *);
 
@@ -725,6 +713,8 @@ typedef struct hwif_s {
 	u8 (*mdma_filter)(ide_drive_t *);
 	u8 (*udma_filter)(ide_drive_t *);
 
+	void (*fixup)(struct hwif_s *);
+
 	void (*ata_input_data)(ide_drive_t *, void *, u32);
 	void (*ata_output_data)(ide_drive_t *, void *, u32);
 
@@ -841,8 +831,6 @@ typedef struct hwgroup_s {
 
 		/* for pci chipsets */
 	struct pci_dev *pci_dev;
-		/* chipset device struct */
-	struct ide_pci_device_s *cds;
 
 		/* current request */
 	struct request *rq;
@@ -1030,36 +1018,16 @@ extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs);
 int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
 			     int uptodate, int nr_sectors);
 
-/*
- * This is used on exit from the driver to designate the next irq handler
- * and also to start the safety timer.
- */
 extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
 
-/*
- * This is used on exit from the driver to designate the next irq handler
- * and start the safety time safely and atomically from the IRQ handler
- * with respect to the command issue (which it also does)
- */
 extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *);
 
 ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
 
-/*
- * ide_error() takes action based on the error returned by the controller.
- * The caller should return immediately after invoking this.
- *
- * (drive, msg, status)
- */
 ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
 
 ide_startstop_t __ide_abort(ide_drive_t *, struct request *);
 
-/*
- * Abort a running command on the controller triggering the abort
- * from a host side, non error situation
- * (drive, msg)
- */
 extern ide_startstop_t ide_abort(ide_drive_t *, const char *);
 
 extern void ide_fix_driveid(struct hd_driveid *);
@@ -1075,15 +1043,8 @@ extern void ide_fixstring(u8 *, const int, const int);
 
 int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
 
-/*
- * Start a reset operation for an IDE interface.
- * The caller should return immediately after invoking this.
- */
 extern ide_startstop_t ide_do_reset (ide_drive_t *);
 
-/*
- * This function is intended to be used prior to invoking ide_do_drive_cmd().
- */
 extern void ide_init_drive_cmd (struct request *rq);
 
 /*
@@ -1098,13 +1059,6 @@ typedef enum {
 
 extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
 
-/*
- * Clean up after success/failure of an explicit drive cmd.
- * stat/err are used only when (HWGROUP(drive)->rq->cmd == IDE_DRIVE_CMD).
- * stat/err are used only when (HWGROUP(drive)->rq->cmd == IDE_DRIVE_TASK_MASK).
- *
- * (ide_drive_t *drive, u8 stat, u8 err)
- */
 extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
 
 /*
@@ -1177,10 +1131,6 @@ extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
 
 extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
 
-/*
- * ide_stall_queue() can be used by a drive to give excess bandwidth back
- * to the hwgroup by sleeping for timeout jiffies.
- */
 extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 
 extern int ide_spin_wait_hwgroup(ide_drive_t *);
@@ -1200,8 +1150,8 @@ extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *o
 #define ide_pci_register_driver(d) pci_register_driver(d)
 #endif
 
-void ide_pci_setup_ports(struct pci_dev *, struct ide_pci_device_s *, int, ata_index_t *);
-extern void ide_setup_pci_noise (struct pci_dev *dev, struct ide_pci_device_s *d);
+void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, u8 *);
+void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
 
 extern void default_hwif_iops(ide_hwif_t *);
 extern void default_hwif_mmiops(ide_hwif_t *);
@@ -1261,6 +1211,14 @@ enum {
 	IDE_HFLAG_SERIALIZE		= (1 << 20),
 	/* use legacy IRQs */
 	IDE_HFLAG_LEGACY_IRQS		= (1 << 21),
+	/* force use of legacy IRQs */
+	IDE_HFLAG_FORCE_LEGACY_IRQS	= (1 << 22),
+	/* limit LBA48 requests to 256 sectors */
+	IDE_HFLAG_RQSIZE_256		= (1 << 23),
+	/* use 32-bit I/O ops */
+	IDE_HFLAG_IO_32BIT		= (1 << 24),
+	/* unmask IRQs */
+	IDE_HFLAG_UNMASK_IRQS		= (1 << 25),
 };
 
 #ifdef CONFIG_BLK_DEV_OFFBOARD
@@ -1269,7 +1227,7 @@ enum {
 # define IDE_HFLAG_OFF_BOARD	0
 #endif
 
-typedef struct ide_pci_device_s {
+struct ide_port_info {
 	char			*name;
 	unsigned int		(*init_chipset)(struct pci_dev *, const char *);
 	void			(*init_iops)(ide_hwif_t *);
@@ -1277,17 +1235,17 @@ typedef struct ide_pci_device_s {
 	void			(*init_dma)(ide_hwif_t *, unsigned long);
 	void			(*fixup)(ide_hwif_t *);
 	ide_pci_enablebit_t	enablebits[2];
+	hwif_chipset_t		chipset;
 	unsigned int		extra;
-	struct ide_pci_device_s	*next;
 	u32			host_flags;
 	u8			pio_mask;
 	u8			swdma_mask;
 	u8			mwdma_mask;
 	u8			udma_mask;
-} ide_pci_device_t;
+};
 
-extern int ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
-extern int ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, ide_pci_device_t *);
+int ide_setup_pci_device(struct pci_dev *, const struct ide_port_info *);
+int ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, const struct ide_port_info *);
 
 void ide_map_sg(ide_drive_t *, struct request *);
 void ide_init_sg_cmd(ide_drive_t *, struct request *);
@@ -1370,8 +1328,7 @@ void ide_unregister_region(struct gendisk *);
 
 void ide_undecoded_slave(ide_hwif_t *);
 
-int probe_hwif_init_with_fixup(ide_hwif_t *, void (*)(ide_hwif_t *));
-extern int probe_hwif_init(ide_hwif_t *);
+int ide_device_add(u8 idx[4]);
 
 static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
 {

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2007-10-19 23:17 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2007-10-19 22:48 [git patches] IDE updates (part 5) Bartlomiej Zolnierkiewicz

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.