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

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (36 commits) ide: re-add TRM290 fix lost during ide_build_dmatable() cleanup scc_pata: kill unused variables sgiioc4: kill duplicate ioremap() sgiioc4: kill useless address checks delkin_cb: add PM support ide: remove broken hpt34x driver ide-floppy: remove idefloppy_floppy_t typedef sgiioc4: remove maskproc() method hpt366: cleanup maskproc() method ide: mask interrupt in ide_config_drive_speed() hpt366: fix compile warning ide: remove unused macros from <asm-parisc/ide.h> ide: remove M68K_IDE_SWAPW define from <asm-m68k/ide.h> ide: remove dead <asm-arm/arch-sa1100/ide.h> ide: fix support for IDE PCI controllers using MMIO on frv ide-cd: remove stale comment ide-cd: small drive type print fix ide-cd: debug log enhancements ide: add generic ATA/ATAPI disk driver ide: allow device drivers to specify per-device type /proc settings ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2008-10-20 13:12:39 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2008-10-20 13:12:39 -0700
commit: 72558dde738b06cc01e16b3247a9659ca739e22d (patch)
tree: 9b9ff02668fd9f948efe24bef56a23fb78f7e4d0 /drivers/ide
parent: b91385236c00031c64b42b44db8068ad38a5ea11 (diff)
parent: 769b49ce68386b21e45bb6e573b63c02020b17a1 (diff)
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26 files changed, 770 insertions, 1054 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 74a369a6116..a820ca6fc32 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -84,21 +84,40 @@ config BLK_DEV_IDE_SATA
 
 	  If unsure, say N.
 
-config BLK_DEV_IDEDISK
-	tristate "Include IDE/ATA-2 DISK support"
-	---help---
-	  This will include enhanced support for MFM/RLL/IDE hard disks.  If
-	  you have a MFM/RLL/IDE disk, and there is no special reason to use
-	  the old hard disk driver instead, say Y.  If you have an SCSI-only
-	  system, you can say N here.
+config IDE_GD
+	tristate "generic ATA/ATAPI disk support"
+	default y
+	help
+	  Support for ATA/ATAPI disks (including ATAPI floppy drives).
 
-	  To compile this driver as a module, choose M here: the
-	  module will be called ide-disk.
-	  Do not compile this driver as a module if your root file system
-	  (the one containing the directory /) is located on the IDE disk.
+	  To compile this driver as a module, choose M here.
+	  The module will be called ide-gd_mod.
+
+	  If unsure, say Y.
+
+config IDE_GD_ATA
+	bool "ATA disk support"
+	depends on IDE_GD
+	default y
+	help
+	  This will include support for ATA hard disks.
 
 	  If unsure, say Y.
 
+config IDE_GD_ATAPI
+	bool "ATAPI floppy support"
+	depends on IDE_GD
+	select IDE_ATAPI
+	help
+	  This will include support for ATAPI floppy drives
+	  (i.e. Iomega ZIP or MKE LS-120).
+
+	  For information about jumper settings and the question
+	  of when a ZIP drive uses a partition table, see
+	  <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
+
+	  If unsure, say N.
+
 config BLK_DEV_IDECS
 	tristate "PCMCIA IDE support"
 	depends on PCMCIA
@@ -163,29 +182,6 @@ config BLK_DEV_IDETAPE
 	  To compile this driver as a module, choose M here: the
 	  module will be called ide-tape.
 
-config BLK_DEV_IDEFLOPPY
-	tristate "Include IDE/ATAPI FLOPPY support"
-	select IDE_ATAPI
-	---help---
-	  If you have an IDE floppy drive which uses the ATAPI protocol,
-	  answer Y.  ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
-	  drives, similar to the SCSI protocol.
-
-	  The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
-	  this driver. For information about jumper settings and the question
-	  of when a ZIP drive uses a partition table, see
-	  <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
-	  (ATAPI PD-CD/CDR drives are not supported by this driver; support
-	  for PD-CD/CDR drives is available if you answer Y to
-	  "SCSI emulation support", below).
-
-	  If you say Y here, the FLOPPY drive will be identified along with
-	  other IDE devices, as "hdb" or "hdc", or something similar (check
-	  the boot messages with dmesg).
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called ide-floppy.
-
 config BLK_DEV_IDESCSI
 	tristate "SCSI emulation support (DEPRECATED)"
 	depends on SCSI
@@ -332,7 +328,7 @@ config IDEPCI_PCIBUS_ORDER
 # TODO: split it on per host driver config options (or module parameters)
 config BLK_DEV_OFFBOARD
 	bool "Boot off-board chipsets first support (DEPRECATED)"
-	depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT34X || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
+	depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
 	help
 	  Normally, IDE controllers built into the motherboard (on-board
 	  controllers) are assigned to ide0 and ide1 while those on add-in PCI
@@ -482,28 +478,6 @@ config BLK_DEV_CS5535
 
 	  It is safe to say Y to this question.
 
-config BLK_DEV_HPT34X
-	tristate "HPT34X chipset support"
-	depends on BROKEN
-	select BLK_DEV_IDEDMA_PCI
-	help
-	  This driver adds up to 4 more EIDE devices sharing a single
-	  interrupt. The HPT343 chipset in its current form is a non-bootable
-	  controller; the HPT345/HPT363 chipset is a bootable (needs BIOS FIX)
-	  PCI UDMA controllers. This driver requires dynamic tuning of the
-	  chipset during the ide-probe at boot time. It is reported to support
-	  DVD II drives, by the manufacturer.
-
-config HPT34X_AUTODMA
-	bool "HPT34X AUTODMA support (EXPERIMENTAL)"
-	depends on BLK_DEV_HPT34X && EXPERIMENTAL
-	help
-	  This is a dangerous thing to attempt currently! Please read the
-	  comments at the top of <file:drivers/ide/pci/hpt34x.c>.  If you say Y
-	  here, then say Y to "Use DMA by default when available" as well.
-
-	  If unsure, say N.
-
 config BLK_DEV_HPT366
 	tristate "HPT36X/37X chipset support"
 	select BLK_DEV_IDEDMA_PCI
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index ceaf779054e..093d3248ca8 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -37,18 +37,25 @@ obj-$(CONFIG_IDE_H8300)			+= h8300/
 obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
 obj-$(CONFIG_BLK_DEV_IDEPNP)		+= ide-pnp.o
 
-ide-disk_mod-y += ide-disk.o ide-disk_ioctl.o
+ide-gd_mod-y += ide-gd.o
 ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
-ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o
 
+ifeq ($(CONFIG_IDE_GD_ATA), y)
+	ide-gd_mod-y += ide-disk.o ide-disk_ioctl.o
 ifeq ($(CONFIG_IDE_PROC_FS), y)
-	ide-disk_mod-y += ide-disk_proc.o
-	ide-floppy_mod-y += ide-floppy_proc.o
+	ide-gd_mod-y += ide-disk_proc.o
+endif
+endif
+
+ifeq ($(CONFIG_IDE_GD_ATAPI), y)
+	ide-gd_mod-y += ide-floppy.o ide-floppy_ioctl.o
+ifeq ($(CONFIG_IDE_PROC_FS), y)
+	ide-gd_mod-y += ide-floppy_proc.o
+endif
 endif
 
-obj-$(CONFIG_BLK_DEV_IDEDISK)		+= ide-disk_mod.o
+obj-$(CONFIG_IDE_GD)			+= ide-gd_mod.o
 obj-$(CONFIG_BLK_DEV_IDECD)		+= ide-cd_mod.o
-obj-$(CONFIG_BLK_DEV_IDEFLOPPY)		+= ide-floppy_mod.o
 obj-$(CONFIG_BLK_DEV_IDETAPE)		+= ide-tape.o
 
 ifeq ($(CONFIG_BLK_DEV_IDECS), y)
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 2e305714c20..4e58b9e7a58 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -191,7 +191,7 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
 {
 	struct ide_atapi_pc pc;
 
-	if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK)
+	if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
 		return 0;
 
 	ide_init_pc(&pc);
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 3308b1cd3a3..13265a8827d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -99,7 +99,7 @@ static void ide_cd_put(struct cdrom_info *cd)
 /* Mark that we've seen a media change and invalidate our internal buffers. */
 static void cdrom_saw_media_change(ide_drive_t *drive)
 {
-	drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
+	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 	drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;
 }
 
@@ -340,8 +340,8 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 	}
 
 	ide_debug_log(IDE_DBG_RQ, "%s: stat: 0x%x, good_stat: 0x%x, "
-		      "rq->cmd_type: 0x%x, err: 0x%x\n", __func__, stat,
-		      good_stat, rq->cmd_type, err);
+		      "rq->cmd[0]: 0x%x, rq->cmd_type: 0x%x, err: 0x%x\n",
+		      __func__, stat, good_stat, rq->cmd[0], rq->cmd_type, err);
 
 	if (blk_sense_request(rq)) {
 		/*
@@ -843,13 +843,10 @@ static void ide_cd_restore_request(ide_drive_t *drive, struct request *rq)
 	rq->q->prep_rq_fn(rq->q, rq);
 }
 
-/*
- * All other packet commands.
- */
 static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct request *rq)
 {
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+	ide_debug_log(IDE_DBG_FUNC, "Call %s, rq->cmd[0]: 0x%x\n",
+		      __func__, rq->cmd[0]);
 
 	/*
 	 * Some of the trailing request sense fields are optional,
@@ -876,7 +873,7 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,
 	if (!sense)
 		sense = &local_sense;
 
-	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+	ide_debug_log(IDE_DBG_PC, "Call %s, cmd[0]: 0x%x, write: 0x%x, "
 		      "timeout: %d, cmd_flags: 0x%x\n", __func__, cmd[0], write,
 		      timeout, cmd_flags);
 
@@ -1177,8 +1174,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
 	unsigned short sectors_per_frame =
 		queue_hardsect_size(drive->queue) >> SECTOR_BITS;
 
-	ide_debug_log(IDE_DBG_RQ, "Call %s, write: 0x%x, secs_per_frame: %u\n",
-		      __func__, write, sectors_per_frame);
+	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+		      "secs_per_frame: %u\n",
+		      __func__, rq->cmd[0], write, sectors_per_frame);
 
 	if (write) {
 		/* disk has become write protected */
@@ -1221,7 +1219,8 @@ static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive)
 static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 {
 
-	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd_type: 0x%x\n", __func__,
+	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, "
+		      "rq->cmd_type: 0x%x\n", __func__, rq->cmd[0],
 		      rq->cmd_type);
 
 	if (blk_pc_request(rq))
@@ -1257,9 +1256,6 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 	}
 }
 
-/*
- * cdrom driver request routine.
- */
 static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 					sector_t block)
 {
@@ -1267,8 +1263,10 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 	ide_handler_t *fn;
 	int xferlen;
 
-	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd_type: 0x%x, block: %llu\n",
-		      __func__, rq->cmd_type, (unsigned long long)block);
+	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, "
+		      "rq->cmd_type: 0x%x, block: %llu\n",
+		      __func__, rq->cmd[0], rq->cmd_type,
+		      (unsigned long long)block);
 
 	if (blk_fs_request(rq)) {
 		if (drive->atapi_flags & IDE_AFLAG_SEEKING) {
@@ -1412,6 +1410,10 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
 
 	*capacity = 1 + be32_to_cpu(capbuf.lba);
 	*sectors_per_frame = blocklen >> SECTOR_BITS;
+
+	ide_debug_log(IDE_DBG_PROBE, "%s: cap: %lu, sectors_per_frame: %lu\n",
+		      __func__, *capacity, *sectors_per_frame);
+
 	return 0;
 }
 
@@ -1643,6 +1645,9 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
 		maxspeed = be16_to_cpup((__be16 *)&buf[8 + 8]);
 	}
 
+	ide_debug_log(IDE_DBG_PROBE, "%s: curspeed: %u, maxspeed: %u\n",
+		      __func__, curspeed, maxspeed);
+
 	cd->current_speed = (curspeed + (176/2)) / 176;
 	cd->max_speed = (maxspeed + (176/2)) / 176;
 }
@@ -1732,7 +1737,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 		return 0;
 
 	if ((buf[8 + 6] & 0x01) == 0)
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 	if (buf[8 + 6] & 0x08)
 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;
 	if (buf[8 + 3] & 0x01)
@@ -1777,7 +1782,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 	if ((cdi->mask & CDC_DVD_R) == 0 || (cdi->mask & CDC_DVD_RAM) == 0)
 		printk(KERN_CONT " DVD%s%s",
 				 (cdi->mask & CDC_DVD_R) ? "" : "-R",
-				 (cdi->mask & CDC_DVD_RAM) ? "" : "-RAM");
+				 (cdi->mask & CDC_DVD_RAM) ? "" : "/RAM");
 
 	if ((cdi->mask & CDC_CD_R) == 0 || (cdi->mask & CDC_CD_RW) == 0)
 		printk(KERN_CONT " CD%s%s",
@@ -1908,6 +1913,16 @@ static const struct ide_proc_devset idecd_settings[] = {
 	IDE_PROC_DEVSET(dsc_overlap, 0, 1),
 	{ 0 },
 };
+
+static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
+{
+	return idecd_proc;
+}
+
+static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)
+{
+	return idecd_settings;
+}
 #endif
 
 static const struct cd_list_entry ide_cd_quirks_list[] = {
@@ -1986,8 +2001,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
 	if (!drive->queue->unplug_delay)
 		drive->queue->unplug_delay = 1;
 
-	drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT |
-		       ide_cd_flags(id);
+	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+	drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);
 
 	if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&
 	    fw_rev[4] == '1' && fw_rev[6] <= '2')
@@ -2069,8 +2084,8 @@ static ide_driver_t ide_cdrom_driver = {
 	.end_request		= ide_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= idecd_proc,
-	.settings		= idecd_settings,
+	.proc_entries		= ide_cd_proc_entries,
+	.proc_devsets		= ide_cd_proc_devsets,
 #endif
 };
 
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
index 74231b41f61..df3df0041eb 100644
--- a/drivers/ide/ide-cd_ioctl.c
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -86,8 +86,8 @@ int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi,
 
 	if (slot_nr == CDSL_CURRENT) {
 		(void) cdrom_check_status(drive, NULL);
-		retval = (drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED) ? 1 : 0;
-		drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED;
+		retval = (drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED) ? 1 : 0;
+		drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
 		return retval;
 	} else {
 		return -EINVAL;
@@ -136,7 +136,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
 		sense = &my_sense;
 
 	/* If the drive cannot lock the door, just pretend. */
-	if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK) {
+	if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0) {
 		stat = 0;
 	} else {
 		unsigned char cmd[BLK_MAX_CDB];
@@ -157,7 +157,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
 	    (sense->asc == 0x24 || sense->asc == 0x20)) {
 		printk(KERN_ERR "%s: door locking not supported\n",
 			drive->name);
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 		stat = 0;
 	}
 
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 3853bde8eed..223750c1b5a 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -14,9 +14,6 @@
  * This is the IDE/ATA disk driver, as evolved from hd.c and ide.c.
  */
 
-#define IDEDISK_VERSION	"1.18"
-
-#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
@@ -39,46 +36,8 @@
 #include <asm/io.h>
 #include <asm/div64.h>
 
-#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
-#define IDE_DISK_MINORS		(1 << PARTN_BITS)
-#else
-#define IDE_DISK_MINORS		0
-#endif
-
 #include "ide-disk.h"
 
-static DEFINE_MUTEX(idedisk_ref_mutex);
-
-#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
-
-static void ide_disk_release(struct kref *);
-
-static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
-{
-	struct ide_disk_obj *idkp = NULL;
-
-	mutex_lock(&idedisk_ref_mutex);
-	idkp = ide_disk_g(disk);
-	if (idkp) {
-		if (ide_device_get(idkp->drive))
-			idkp = NULL;
-		else
-			kref_get(&idkp->kref);
-	}
-	mutex_unlock(&idedisk_ref_mutex);
-	return idkp;
-}
-
-static void ide_disk_put(struct ide_disk_obj *idkp)
-{
-	ide_drive_t *drive = idkp->drive;
-
-	mutex_lock(&idedisk_ref_mutex);
-	kref_put(&idkp->kref, ide_disk_release);
-	ide_device_put(drive);
-	mutex_unlock(&idedisk_ref_mutex);
-}
-
 static const u8 ide_rw_cmds[] = {
 	ATA_CMD_READ_MULTI,
 	ATA_CMD_WRITE_MULTI,
@@ -374,7 +333,7 @@ static void idedisk_check_hpa(ide_drive_t *drive)
 	}
 }
 
-static void init_idedisk_capacity(ide_drive_t *drive)
+static int ide_disk_get_capacity(ide_drive_t *drive)
 {
 	u16 *id = drive->id;
 	int lba;
@@ -403,11 +362,28 @@ static void init_idedisk_capacity(ide_drive_t *drive)
 		if (ata_id_hpa_enabled(id))
 			idedisk_check_hpa(drive);
 	}
-}
 
-sector_t ide_disk_capacity(ide_drive_t *drive)
-{
-	return drive->capacity64;
+	/* limit drive capacity to 137GB if LBA48 cannot be used */
+	if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
+	    drive->capacity64 > 1ULL << 28) {
+		printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
+		       "%llu sectors (%llu MB)\n",
+		       drive->name, (unsigned long long)drive->capacity64,
+		       sectors_to_MB(drive->capacity64));
+		drive->capacity64 = 1ULL << 28;
+	}
+
+	if ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
+	    (drive->dev_flags & IDE_DFLAG_LBA48)) {
+		if (drive->capacity64 > 1ULL << 28) {
+			printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
+					 " will be used for accessing sectors "
+					 "> %u\n", drive->name, 1 << 28);
+		} else
+			drive->dev_flags &= ~IDE_DFLAG_LBA48;
+	}
+
+	return 0;
 }
 
 static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
@@ -508,7 +484,7 @@ static void update_ordered(ide_drive_t *drive)
 		 * time we have trimmed the drive capacity if LBA48 is
 		 * not available so we don't need to recheck that.
 		 */
-		capacity = ide_disk_capacity(drive);
+		capacity = ide_gd_capacity(drive);
 		barrier = ata_id_flush_enabled(id) &&
 			(drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 &&
 			((drive->dev_flags & IDE_DFLAG_LBA48) == 0 ||
@@ -616,7 +592,12 @@ ide_ext_devset_rw(wcache, wcache);
 
 ide_ext_devset_rw_sync(nowerr, nowerr);
 
-static void idedisk_setup(ide_drive_t *drive)
+static int ide_disk_check(ide_drive_t *drive, const char *s)
+{
+	return 1;
+}
+
+static void ide_disk_setup(ide_drive_t *drive)
 {
 	struct ide_disk_obj *idkp = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
@@ -652,33 +633,13 @@ static void idedisk_setup(ide_drive_t *drive)
 			 drive->queue->max_sectors / 2);
 
 	/* calculate drive capacity, and select LBA if possible */
-	init_idedisk_capacity(drive);
-
-	/* limit drive capacity to 137GB if LBA48 cannot be used */
-	if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
-	    drive->capacity64 > 1ULL << 28) {
-		printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
-		       "%llu sectors (%llu MB)\n",
-		       drive->name, (unsigned long long)drive->capacity64,
-		       sectors_to_MB(drive->capacity64));
-		drive->capacity64 = 1ULL << 28;
-	}
-
-	if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
-	    (drive->dev_flags & IDE_DFLAG_LBA48)) {
-		if (drive->capacity64 > 1ULL << 28) {
-			printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
-					 " will be used for accessing sectors "
-					 "> %u\n", drive->name, 1 << 28);
-		} else
-			drive->dev_flags &= ~IDE_DFLAG_LBA48;
-	}
+	ide_disk_get_capacity(drive);
 
 	/*
 	 * if possible, give fdisk access to more of the drive,
 	 * by correcting bios_cyls:
 	 */
-	capacity = ide_disk_capacity(drive);
+	capacity = ide_gd_capacity(drive);
 
 	if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) {
 		if (ata_id_lba48_enabled(drive->id)) {
@@ -718,9 +679,17 @@ static void idedisk_setup(ide_drive_t *drive)
 		drive->dev_flags |= IDE_DFLAG_WCACHE;
 
 	set_wcache(drive, 1);
+
+	if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
+	    (drive->head == 0 || drive->head > 16)) {
+		printk(KERN_ERR "%s: invalid geometry: %d physical heads?\n",
+			drive->name, drive->head);
+		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+	} else
+		drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
 
-static void ide_cacheflush_p(ide_drive_t *drive)
+static void ide_disk_flush(ide_drive_t *drive)
 {
 	if (ata_id_flush_enabled(drive->id) == 0 ||
 	    (drive->dev_flags & IDE_DFLAG_WCACHE) == 0)
@@ -730,267 +699,40 @@ static void ide_cacheflush_p(ide_drive_t *drive)
 		printk(KERN_INFO "%s: wcache flush failed!\n", drive->name);
 }
 
-static void ide_disk_remove(ide_drive_t *drive)
-{
-	struct ide_disk_obj *idkp = drive->driver_data;
-	struct gendisk *g = idkp->disk;
-
-	ide_proc_unregister_driver(drive, idkp->driver);
-
-	del_gendisk(g);
-
-	ide_cacheflush_p(drive);
-
-	ide_disk_put(idkp);
-}
-
-static void ide_disk_release(struct kref *kref)
-{
-	struct ide_disk_obj *idkp = to_ide_disk(kref);
-	ide_drive_t *drive = idkp->drive;
-	struct gendisk *g = idkp->disk;
-
-	drive->driver_data = NULL;
-	g->private_data = NULL;
-	put_disk(g);
-	kfree(idkp);
-}
-
-static int ide_disk_probe(ide_drive_t *drive);
-
-/*
- * On HPA drives the capacity needs to be
- * reinitilized on resume otherwise the disk
- * can not be used and a hard reset is required
- */
-static void ide_disk_resume(ide_drive_t *drive)
+static int ide_disk_init_media(ide_drive_t *drive, struct gendisk *disk)
 {
-	if (ata_id_hpa_enabled(drive->id))
-		init_idedisk_capacity(drive);
-}
-
-static void ide_device_shutdown(ide_drive_t *drive)
-{
-#ifdef	CONFIG_ALPHA
-	/* On Alpha, halt(8) doesn't actually turn the machine off,
-	   it puts you into the sort of firmware monitor. Typically,
-	   it's used to boot another kernel image, so it's not much
-	   different from reboot(8). Therefore, we don't need to
-	   spin down the disk in this case, especially since Alpha
-	   firmware doesn't handle disks in standby mode properly.
-	   On the other hand, it's reasonably safe to turn the power
-	   off when the shutdown process reaches the firmware prompt,
-	   as the firmware initialization takes rather long time -
-	   at least 10 seconds, which should be sufficient for
-	   the disk to expire its write cache. */
-	if (system_state != SYSTEM_POWER_OFF) {
-#else
-	if (system_state == SYSTEM_RESTART) {
-#endif
-		ide_cacheflush_p(drive);
-		return;
-	}
-
-	printk(KERN_INFO "Shutdown: %s\n", drive->name);
-
-	drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
+	return 0;
 }
 
-static ide_driver_t idedisk_driver = {
-	.gen_driver = {
-		.owner		= THIS_MODULE,
-		.name		= "ide-disk",
-		.bus		= &ide_bus_type,
-	},
-	.probe			= ide_disk_probe,
-	.remove			= ide_disk_remove,
-	.resume			= ide_disk_resume,
-	.shutdown		= ide_device_shutdown,
-	.version		= IDEDISK_VERSION,
-	.do_request		= ide_do_rw_disk,
-	.end_request		= ide_end_request,
-	.error			= __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
-	.proc			= ide_disk_proc,
-	.settings		= ide_disk_settings,
-#endif
-};
-
-static int idedisk_set_doorlock(ide_drive_t *drive, int on)
+static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
+				 int on)
 {
 	ide_task_t task;
+	int ret;
+
+	if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
+		return 0;
 
 	memset(&task, 0, sizeof(task));
 	task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
 	task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
 
-	return ide_no_data_taskfile(drive, &task);
-}
-
-static int idedisk_open(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_disk_obj *idkp;
-	ide_drive_t *drive;
-
-	idkp = ide_disk_get(disk);
-	if (idkp == NULL)
-		return -ENXIO;
-
-	drive = idkp->drive;
-
-	idkp->openers++;
-
-	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
-		check_disk_change(inode->i_bdev);
-		/*
-		 * Ignore the return code from door_lock,
-		 * since the open() has already succeeded,
-		 * and the door_lock is irrelevant at this point.
-		 */
-		if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
-		    idedisk_set_doorlock(drive, 1))
-			drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
-	}
-	return 0;
-}
-
-static int idedisk_release(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_disk_obj *idkp = ide_disk_g(disk);
-	ide_drive_t *drive = idkp->drive;
-
-	if (idkp->openers == 1)
-		ide_cacheflush_p(drive);
-
-	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
-		if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
-		    idedisk_set_doorlock(drive, 0))
-			drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
-	}
+	ret = ide_no_data_taskfile(drive, &task);
 
-	idkp->openers--;
+	if (ret)
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 
-	ide_disk_put(idkp);
-
-	return 0;
-}
-
-static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
-	struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
-	ide_drive_t *drive = idkp->drive;
-
-	geo->heads = drive->bios_head;
-	geo->sectors = drive->bios_sect;
-	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
-	return 0;
+	return ret;
 }
 
-static int idedisk_media_changed(struct gendisk *disk)
-{
-	struct ide_disk_obj *idkp = ide_disk_g(disk);
-	ide_drive_t *drive = idkp->drive;
-
-	/* do not scan partitions twice if this is a removable device */
-	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-		return 0;
-	}
-
-	/* if removable, always assume it was changed */
-	return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE);
-}
-
-static int idedisk_revalidate_disk(struct gendisk *disk)
-{
-	struct ide_disk_obj *idkp = ide_disk_g(disk);
-	set_capacity(disk, ide_disk_capacity(idkp->drive));
-	return 0;
-}
-
-static struct block_device_operations idedisk_ops = {
-	.owner			= THIS_MODULE,
-	.open			= idedisk_open,
-	.release		= idedisk_release,
-	.ioctl			= ide_disk_ioctl,
-	.getgeo			= idedisk_getgeo,
-	.media_changed		= idedisk_media_changed,
-	.revalidate_disk	= idedisk_revalidate_disk
+const struct ide_disk_ops ide_ata_disk_ops = {
+	.check		= ide_disk_check,
+	.get_capacity	= ide_disk_get_capacity,
+	.setup		= ide_disk_setup,
+	.flush		= ide_disk_flush,
+	.init_media	= ide_disk_init_media,
+	.set_doorlock	= ide_disk_set_doorlock,
+	.do_request	= ide_do_rw_disk,
+	.end_request	= ide_end_request,
+	.ioctl		= ide_disk_ioctl,
 };
-
-MODULE_DESCRIPTION("ATA DISK Driver");
-
-static int ide_disk_probe(ide_drive_t *drive)
-{
-	struct ide_disk_obj *idkp;
-	struct gendisk *g;
-
-	/* strstr("foo", "") is non-NULL */
-	if (!strstr("ide-disk", drive->driver_req))
-		goto failed;
-
-	if (drive->media != ide_disk)
-		goto failed;
-
-	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
-	if (!idkp)
-		goto failed;
-
-	g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
-	if (!g)
-		goto out_free_idkp;
-
-	ide_init_disk(g, drive);
-
-	kref_init(&idkp->kref);
-
-	idkp->drive = drive;
-	idkp->driver = &idedisk_driver;
-	idkp->disk = g;
-
-	g->private_data = &idkp->driver;
-
-	drive->driver_data = idkp;
-
-	idedisk_setup(drive);
-	if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
-	    (drive->head == 0 || drive->head > 16)) {
-		printk(KERN_ERR "%s: INVALID GEOMETRY: %d PHYSICAL HEADS?\n",
-			drive->name, drive->head);
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-	} else
-		drive->dev_flags |= IDE_DFLAG_ATTACH;
-
-	g->minors = IDE_DISK_MINORS;
-	g->driverfs_dev = &drive->gendev;
-	g->flags |= GENHD_FL_EXT_DEVT;
-	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
-		g->flags = GENHD_FL_REMOVABLE;
-	set_capacity(g, ide_disk_capacity(drive));
-	g->fops = &idedisk_ops;
-	add_disk(g);
-	return 0;
-
-out_free_idkp:
-	kfree(idkp);
-failed:
-	return -ENODEV;
-}
-
-static void __exit idedisk_exit(void)
-{
-	driver_unregister(&idedisk_driver.gen_driver);
-}
-
-static int __init idedisk_init(void)
-{
-	return driver_register(&idedisk_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-disk*");
-MODULE_ALIAS("ide-disk");
-module_init(idedisk_init);
-module_exit(idedisk_exit);
-MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index a82fa435566..b234b0feaf7 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -1,19 +1,11 @@
 #ifndef __IDE_DISK_H
 #define __IDE_DISK_H
 
-struct ide_disk_obj {
-	ide_drive_t	*drive;
-	ide_driver_t	*driver;
-	struct gendisk	*disk;
-	struct kref	kref;
-	unsigned int	openers;	/* protected by BKL for now */
-};
-
-#define ide_disk_g(disk) \
-	container_of((disk)->private_data, struct ide_disk_obj, driver)
+#include "ide-gd.h"
 
+#ifdef CONFIG_IDE_GD_ATA
 /* ide-disk.c */
-sector_t ide_disk_capacity(ide_drive_t *);
+extern const struct ide_disk_ops ide_ata_disk_ops;
 ide_decl_devset(address);
 ide_decl_devset(multcount);
 ide_decl_devset(nowerr);
@@ -21,12 +13,17 @@ ide_decl_devset(wcache);
 ide_decl_devset(acoustic);
 
 /* ide-disk_ioctl.c */
-int ide_disk_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+int ide_disk_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+		   unsigned long);
 
 #ifdef CONFIG_IDE_PROC_FS
 /* ide-disk_proc.c */
 extern ide_proc_entry_t ide_disk_proc[];
 extern const struct ide_proc_devset ide_disk_settings[];
 #endif
+#else
+#define ide_disk_proc		NULL
+#define ide_disk_settings	NULL
+#endif
 
 #endif /* __IDE_DISK_H */
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index a6cf1a03a80..a49698bcf96 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -13,12 +13,10 @@ static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
 { 0 }
 };
 
-int ide_disk_ioctl(struct inode *inode, struct file *file,
+int ide_disk_ioctl(ide_drive_t *drive, struct inode *inode, struct file *file,
 		   unsigned int cmd, unsigned long arg)
 {
 	struct block_device *bdev = inode->i_bdev;
-	struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
-	ide_drive_t *drive = idkp->drive;
 	int err;
 
 	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c
index 4724976afe7..1146f4204c6 100644
--- a/drivers/ide/ide-disk_proc.c
+++ b/drivers/ide/ide-disk_proc.c
@@ -56,7 +56,7 @@ static int proc_idedisk_read_capacity
 	ide_drive_t*drive = (ide_drive_t *)data;
 	int len;
 
-	len = sprintf(page, "%llu\n", (long long)ide_disk_capacity(drive));
+	len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive));
 
 	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
 }
diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c
index 0903782689e..cac431f0df1 100644
--- a/drivers/ide/ide-dma-sff.c
+++ b/drivers/ide/ide-dma-sff.c
@@ -130,7 +130,7 @@ int ide_build_dmatable(ide_drive_t *drive, struct request *rq)
 			xcount = bcount & 0xffff;
 			if (is_trm290)
 				xcount = ((xcount >> 2) - 1) << 16;
-			if (xcount == 0x0000) {
+			else if (xcount == 0x0000) {
 				if (count++ >= PRD_ENTRIES)
 					goto use_pio_instead;
 				*table++ = cpu_to_le32(0x8000);
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index cf0aa25470e..aeb1ad782f5 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -15,12 +15,6 @@
  * Documentation/ide/ChangeLog.ide-floppy.1996-2002
  */
 
-#define DRV_NAME "ide-floppy"
-#define PFX DRV_NAME ": "
-
-#define IDEFLOPPY_VERSION "1.00"
-
-#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
@@ -49,19 +43,6 @@
 
 #include "ide-floppy.h"
 
-/* module parameters */
-static unsigned long debug_mask;
-module_param(debug_mask, ulong, 0644);
-
-/* define to see debug info */
-#define IDEFLOPPY_DEBUG_LOG	0
-
-#if IDEFLOPPY_DEBUG_LOG
-#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
-#else
-#define ide_debug_log(lvl, fmt, args...) do {} while (0)
-#endif
-
 /*
  * After each failed packet command we issue a request sense command and retry
  * the packet command IDEFLOPPY_MAX_PC_RETRIES times.
@@ -83,43 +64,13 @@ module_param(debug_mask, ulong, 0644);
 /* Error code returned in rq->errors to the higher part of the driver. */
 #define	IDEFLOPPY_ERROR_GENERAL		101
 
-static DEFINE_MUTEX(idefloppy_ref_mutex);
-
-static void idefloppy_cleanup_obj(struct kref *);
-
-static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk)
-{
-	struct ide_floppy_obj *floppy = NULL;
-
-	mutex_lock(&idefloppy_ref_mutex);
-	floppy = ide_drv_g(disk, ide_floppy_obj);
-	if (floppy) {
-		if (ide_device_get(floppy->drive))
-			floppy = NULL;
-		else
-			kref_get(&floppy->kref);
-	}
-	mutex_unlock(&idefloppy_ref_mutex);
-	return floppy;
-}
-
-static void ide_floppy_put(struct ide_floppy_obj *floppy)
-{
-	ide_drive_t *drive = floppy->drive;
-
-	mutex_lock(&idefloppy_ref_mutex);
-	kref_put(&floppy->kref, idefloppy_cleanup_obj);
-	ide_device_put(drive);
-	mutex_unlock(&idefloppy_ref_mutex);
-}
-
 /*
  * Used to finish servicing a request. For read/write requests, we will call
  * ide_end_request to pass to the next buffer.
  */
-static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
+static int ide_floppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct request *rq = HWGROUP(drive)->rq;
 	int error;
 
@@ -161,12 +112,12 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
 	struct bio *bio = rq->bio;
 
 	while ((bio = rq->bio) != NULL)
-		idefloppy_end_request(drive, 1, 0);
+		ide_floppy_end_request(drive, 1, 0);
 }
 
 static void ide_floppy_callback(ide_drive_t *drive, int dsc)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc *pc = drive->pc;
 	int uptodate = pc->error ? 0 : 1;
 
@@ -200,10 +151,10 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc)
 			       "Aborting request!\n");
 	}
 
-	idefloppy_end_request(drive, uptodate, 0);
+	ide_floppy_end_request(drive, uptodate, 0);
 }
 
-static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
+static void ide_floppy_report_error(struct ide_disk_obj *floppy,
 				    struct ide_atapi_pc *pc)
 {
 	/* supress error messages resulting from Medium not present */
@@ -222,7 +173,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
 static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
 		struct ide_atapi_pc *pc)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 
 	if (floppy->failed_pc == NULL &&
 	    pc->c[0] != GPCMD_REQUEST_SENSE)
@@ -286,7 +237,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
 				    struct ide_atapi_pc *pc, struct request *rq,
 				    unsigned long sector)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	int block = sector / floppy->bs_factor;
 	int blocks = rq->nr_sectors / floppy->bs_factor;
 	int cmd = rq_data_dir(rq);
@@ -310,7 +261,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
 	pc->flags |= PC_FLAG_DMA_OK;
 }
 
-static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
+static void idefloppy_blockpc_cmd(struct ide_disk_obj *floppy,
 		struct ide_atapi_pc *pc, struct request *rq)
 {
 	ide_init_pc(pc);
@@ -329,13 +280,12 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
 	pc->req_xfer = pc->buf_size = rq->data_len;
 }
 
-static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
-		struct request *rq, sector_t block_s)
+static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
+					     struct request *rq, sector_t block)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
 	struct ide_atapi_pc *pc;
-	unsigned long block = (unsigned long)block_s;
 
 	ide_debug_log(IDE_DBG_FUNC, "%s: dev: %s, cmd: 0x%x, cmd_type: %x, "
 		      "errors: %d\n",
@@ -353,7 +303,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
 		else
 			printk(KERN_ERR PFX "%s: I/O error\n", drive->name);
 
-		idefloppy_end_request(drive, 0, 0);
+		ide_floppy_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
 	if (blk_fs_request(rq)) {
@@ -361,11 +311,11 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
 		    (rq->nr_sectors % floppy->bs_factor)) {
 			printk(KERN_ERR PFX "%s: unsupported r/w rq size\n",
 				drive->name);
-			idefloppy_end_request(drive, 0, 0);
+			ide_floppy_end_request(drive, 0, 0);
 			return ide_stopped;
 		}
 		pc = &floppy->queued_pc;
-		idefloppy_create_rw_cmd(drive, pc, rq, block);
+		idefloppy_create_rw_cmd(drive, pc, rq, (unsigned long)block);
 	} else if (blk_special_request(rq)) {
 		pc = (struct ide_atapi_pc *) rq->buffer;
 	} else if (blk_pc_request(rq)) {
@@ -373,7 +323,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
 		idefloppy_blockpc_cmd(floppy, pc, rq);
 	} else {
 		blk_dump_rq_flags(rq, PFX "unsupported command in queue");
-		idefloppy_end_request(drive, 0, 0);
+		ide_floppy_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
 
@@ -394,7 +344,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
  */
 static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
 	struct ide_atapi_pc pc;
 	u8 *page;
@@ -410,11 +360,11 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 	}
 
 	if (pc.buf[3] & 0x80)
-		drive->atapi_flags |= IDE_AFLAG_WP;
+		drive->dev_flags |= IDE_DFLAG_WP;
 	else
-		drive->atapi_flags &= ~IDE_AFLAG_WP;
+		drive->dev_flags &= ~IDE_DFLAG_WP;
 
-	set_disk_ro(disk, !!(drive->atapi_flags & IDE_AFLAG_WP));
+	set_disk_ro(disk, !!(drive->dev_flags & IDE_DFLAG_WP));
 
 	page = &pc.buf[8];
 
@@ -445,7 +395,9 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 			drive->name, lba_capacity, capacity);
 		floppy->blocks = floppy->block_size ?
 			capacity / floppy->block_size : 0;
+		drive->capacity64 = floppy->blocks * floppy->bs_factor;
 	}
+
 	return 0;
 }
 
@@ -455,7 +407,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
  */
 static int ide_floppy_get_capacity(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
 	struct ide_atapi_pc pc;
 	u8 *cap_desc;
@@ -466,7 +418,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 	drive->bios_head = drive->bios_sect = 0;
 	floppy->blocks = 0;
 	floppy->bs_factor = 1;
-	set_capacity(floppy->disk, 0);
+	drive->capacity64 = 0;
 
 	ide_floppy_create_read_capacity_cmd(&pc);
 	if (ide_queue_pc_tail(drive, disk, &pc)) {
@@ -523,6 +475,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 					       "non 512 bytes block size not "
 					       "fully supported\n",
 					       drive->name);
+				drive->capacity64 =
+					floppy->blocks * floppy->bs_factor;
 				rc = 0;
 			}
 			break;
@@ -547,21 +501,12 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 	if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE))
 		(void) ide_floppy_get_flexible_disk_page(drive);
 
-	set_capacity(disk, floppy->blocks * floppy->bs_factor);
-
 	return rc;
 }
 
-sector_t ide_floppy_capacity(ide_drive_t *drive)
-{
-	idefloppy_floppy_t *floppy = drive->driver_data;
-	unsigned long capacity = floppy->blocks * floppy->bs_factor;
-
-	return capacity;
-}
-
-static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
+static void ide_floppy_setup(ide_drive_t *drive)
 {
+	struct ide_disk_obj *floppy = drive->driver_data;
 	u16 *id = drive->id;
 
 	drive->pc_callback	 = ide_floppy_callback;
@@ -592,252 +537,42 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
 		blk_queue_max_sectors(drive->queue, 64);
 		drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE;
 		/* IOMEGA Clik! drives do not support lock/unlock commands */
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 	}
 
 	(void) ide_floppy_get_capacity(drive);
 
 	ide_proc_register_driver(drive, floppy->driver);
-}
 
-static void ide_floppy_remove(ide_drive_t *drive)
-{
-	idefloppy_floppy_t *floppy = drive->driver_data;
-	struct gendisk *g = floppy->disk;
-
-	ide_proc_unregister_driver(drive, floppy->driver);
-
-	del_gendisk(g);
-
-	ide_floppy_put(floppy);
+	drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
 
-static void idefloppy_cleanup_obj(struct kref *kref)
+static void ide_floppy_flush(ide_drive_t *drive)
 {
-	struct ide_floppy_obj *floppy = to_ide_drv(kref, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-	struct gendisk *g = floppy->disk;
-
-	drive->driver_data = NULL;
-	g->private_data = NULL;
-	put_disk(g);
-	kfree(floppy);
 }
 
-static int ide_floppy_probe(ide_drive_t *);
-
-static ide_driver_t idefloppy_driver = {
-	.gen_driver = {
-		.owner		= THIS_MODULE,
-		.name		= "ide-floppy",
-		.bus		= &ide_bus_type,
-	},
-	.probe			= ide_floppy_probe,
-	.remove			= ide_floppy_remove,
-	.version		= IDEFLOPPY_VERSION,
-	.do_request		= idefloppy_do_request,
-	.end_request		= idefloppy_end_request,
-	.error			= __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
-	.proc			= ide_floppy_proc,
-	.settings		= ide_floppy_settings,
-#endif
-};
-
-static int idefloppy_open(struct inode *inode, struct file *filp)
+static int ide_floppy_init_media(ide_drive_t *drive, struct gendisk *disk)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *floppy;
-	ide_drive_t *drive;
 	int ret = 0;
 
-	floppy = ide_floppy_get(disk);
-	if (!floppy)
-		return -ENXIO;
-
-	drive = floppy->drive;
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
-	floppy->openers++;
-
-	if (floppy->openers == 1) {
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
-		/* Just in case */
-
-		if (ide_do_test_unit_ready(drive, disk))
-			ide_do_start_stop(drive, disk, 1);
-
-		if (ide_floppy_get_capacity(drive)
-		   && (filp->f_flags & O_NDELAY) == 0
-		    /*
-		     * Allow O_NDELAY to open a drive without a disk, or with an
-		     * unreadable disk, so that we can get the format capacity
-		     * of the drive or begin the format - Sam
-		     */
-		    ) {
-			ret = -EIO;
-			goto out_put_floppy;
-		}
-
-		if ((drive->atapi_flags & IDE_AFLAG_WP) && (filp->f_mode & 2)) {
-			ret = -EROFS;
-			goto out_put_floppy;
-		}
-
-		drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
-		ide_set_media_lock(drive, disk, 1);
-		check_disk_change(inode->i_bdev);
-	} else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) {
-		ret = -EBUSY;
-		goto out_put_floppy;
-	}
-	return 0;
-
-out_put_floppy:
-	floppy->openers--;
-	ide_floppy_put(floppy);
-	return ret;
-}
-
-static int idefloppy_release(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
-	if (floppy->openers == 1) {
-		ide_set_media_lock(drive, disk, 0);
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
-	}
-
-	floppy->openers--;
-
-	ide_floppy_put(floppy);
-
-	return 0;
-}
-
-static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
-	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
-						     ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
+	if (ide_do_test_unit_ready(drive, disk))
+		ide_do_start_stop(drive, disk, 1);
 
-	geo->heads = drive->bios_head;
-	geo->sectors = drive->bios_sect;
-	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
-	return 0;
-}
+	ret = ide_floppy_get_capacity(drive);
 
-static int idefloppy_media_changed(struct gendisk *disk)
-{
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-	int ret;
+	set_capacity(disk, ide_gd_capacity(drive));
 
-	/* do not scan partitions twice if this is a removable device */
-	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-		return 0;
-	}
-	ret = !!(drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED);
-	drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED;
 	return ret;
 }
 
-static int idefloppy_revalidate_disk(struct gendisk *disk)
-{
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	set_capacity(disk, ide_floppy_capacity(floppy->drive));
-	return 0;
-}
-
-static struct block_device_operations idefloppy_ops = {
-	.owner			= THIS_MODULE,
-	.open			= idefloppy_open,
-	.release		= idefloppy_release,
-	.ioctl			= ide_floppy_ioctl,
-	.getgeo			= idefloppy_getgeo,
-	.media_changed		= idefloppy_media_changed,
-	.revalidate_disk	= idefloppy_revalidate_disk
+const struct ide_disk_ops ide_atapi_disk_ops = {
+	.check		= ide_check_atapi_device,
+	.get_capacity	= ide_floppy_get_capacity,
+	.setup		= ide_floppy_setup,
+	.flush		= ide_floppy_flush,
+	.init_media	= ide_floppy_init_media,
+	.set_doorlock	= ide_set_media_lock,
+	.do_request	= ide_floppy_do_request,
+	.end_request	= ide_floppy_end_request,
+	.ioctl		= ide_floppy_ioctl,
 };
-
-static int ide_floppy_probe(ide_drive_t *drive)
-{
-	idefloppy_floppy_t *floppy;
-	struct gendisk *g;
-
-	if (!strstr("ide-floppy", drive->driver_req))
-		goto failed;
-
-	if (drive->media != ide_floppy)
-		goto failed;
-
-	if (!ide_check_atapi_device(drive, DRV_NAME)) {
-		printk(KERN_ERR PFX "%s: not supported by this version of "
-		       DRV_NAME "\n", drive->name);
-		goto failed;
-	}
-	floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
-	if (!floppy) {
-		printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n",
-		       drive->name);
-		goto failed;
-	}
-
-	g = alloc_disk(1 << PARTN_BITS);
-	if (!g)
-		goto out_free_floppy;
-
-	ide_init_disk(g, drive);
-
-	kref_init(&floppy->kref);
-
-	floppy->drive = drive;
-	floppy->driver = &idefloppy_driver;
-	floppy->disk = g;
-
-	g->private_data = &floppy->driver;
-
-	drive->driver_data = floppy;
-
-	drive->debug_mask = debug_mask;
-
-	idefloppy_setup(drive, floppy);
-	drive->dev_flags |= IDE_DFLAG_ATTACH;
-
-	g->minors = 1 << PARTN_BITS;
-	g->driverfs_dev = &drive->gendev;
-	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
-		g->flags = GENHD_FL_REMOVABLE;
-	g->fops = &idefloppy_ops;
-	add_disk(g);
-	return 0;
-
-out_free_floppy:
-	kfree(floppy);
-failed:
-	return -ENODEV;
-}
-
-static void __exit idefloppy_exit(void)
-{
-	driver_unregister(&idefloppy_driver.gen_driver);
-}
-
-static int __init idefloppy_init(void)
-{
-	printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n");
-	return driver_register(&idefloppy_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-floppy*");
-MODULE_ALIAS("ide-floppy");
-module_init(idefloppy_init);
-module_exit(idefloppy_exit);
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
-
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index 17cf865e583..c17124dd607 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -1,37 +1,9 @@
 #ifndef __IDE_FLOPPY_H
 #define __IDE_FLOPPY_H
 
-/*
- * Most of our global data which we need to save even as we leave the driver
- * due to an interrupt or a timer event is stored in a variable of type
- * idefloppy_floppy_t, defined below.
- */
-typedef struct ide_floppy_obj {
-	ide_drive_t	*drive;
-	ide_driver_t	*driver;
-	struct gendisk	*disk;
-	struct kref	kref;
-	unsigned int	openers;	/* protected by BKL for now */
-
-	/* Last failed packet command */
-	struct ide_atapi_pc *failed_pc;
-	/* used for blk_{fs,pc}_request() requests */
-	struct ide_atapi_pc queued_pc;
-
-	/* Last error information */
-	u8 sense_key, asc, ascq;
-
-	int progress_indication;
-
-	/* Device information */
-	/* Current format */
-	int blocks, block_size, bs_factor;
-	/* Last format capacity descriptor */
-	u8 cap_desc[8];
-	/* Copy of the flexible disk page */
-	u8 flexible_disk_page[32];
-} idefloppy_floppy_t;
+#include "ide-gd.h"
 
+#ifdef CONFIG_IDE_GD_ATAPI
 /*
  * Pages of the SELECT SENSE / MODE SENSE packet commands.
  * See SFF-8070i spec.
@@ -46,17 +18,22 @@ typedef struct ide_floppy_obj {
 #define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS	0x4603
 
 /* ide-floppy.c */
+extern const struct ide_disk_ops ide_atapi_disk_ops;
 void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
 void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
-sector_t ide_floppy_capacity(ide_drive_t *);
 
 /* ide-floppy_ioctl.c */
-int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long);
+int ide_floppy_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+		     unsigned long);
 
 #ifdef CONFIG_IDE_PROC_FS
 /* ide-floppy_proc.c */
 extern ide_proc_entry_t ide_floppy_proc[];
 extern const struct ide_proc_devset ide_floppy_settings[];
 #endif
+#else
+#define ide_floppy_proc		NULL
+#define ide_floppy_settings	NULL
+#endif
 
 #endif /*__IDE_FLOPPY_H */
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index a3a7a0809e2..409e4c15f9b 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -33,7 +33,7 @@
 
 static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
 {
-	struct ide_floppy_obj *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 	u8 header_len, desc_cnt;
 	int i, blocks, length, u_array_size, u_index;
@@ -113,7 +113,7 @@ static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
 
 static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 
 	drive->atapi_flags &= ~IDE_AFLAG_SRFP;
@@ -132,17 +132,17 @@ static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
 
 static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 	int blocks, length, flags, err = 0;
 
 	if (floppy->openers > 1) {
 		/* Don't format if someone is using the disk */
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 		return -EBUSY;
 	}
 
-	drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS;
+	drive->dev_flags |= IDE_DFLAG_FORMAT_IN_PROGRESS;
 
 	/*
 	 * Send ATAPI_FORMAT_UNIT to the drive.
@@ -174,7 +174,7 @@ static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
 
 out:
 	if (err)
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 	return err;
 }
 
@@ -190,7 +190,7 @@ out:
 
 static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 	int progress_indication = 0x10000;
 
@@ -226,7 +226,7 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
 static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
 			       unsigned long arg, unsigned int cmd)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
 	int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
 
@@ -260,13 +260,10 @@ static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 	}
 }
 
-int ide_floppy_ioctl(struct inode *inode, struct file *file,
-		    unsigned int cmd, unsigned long arg)
+int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
+		     struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct block_device *bdev = inode->i_bdev;
-	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
-						     ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
 	struct ide_atapi_pc pc;
 	void __user *argp = (void __user *)arg;
 	int err;
diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c
index 76f0c6c4eca..3ec762cb60a 100644
--- a/drivers/ide/ide-floppy_proc.c
+++ b/drivers/ide/ide-floppy_proc.c
@@ -9,7 +9,7 @@ static int proc_idefloppy_read_capacity(char *page, char **start, off_t off,
 	ide_drive_t*drive = (ide_drive_t *)data;
 	int len;
 
-	len = sprintf(page, "%llu\n", (long long)ide_floppy_capacity(drive));
+	len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive));
 	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
 }
 
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
new file mode 100644
index 00000000000..d44898f46c3
--- /dev/null
+++ b/drivers/ide/ide-gd.c
@@ -0,0 +1,398 @@
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/genhd.h>
+#include <linux/mutex.h>
+#include <linux/ide.h>
+#include <linux/hdreg.h>
+
+#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
+#define IDE_DISK_MINORS		(1 << PARTN_BITS)
+#else
+#define IDE_DISK_MINORS		0
+#endif
+
+#include "ide-disk.h"
+#include "ide-floppy.h"
+
+#define IDE_GD_VERSION	"1.18"
+
+/* module parameters */
+static unsigned long debug_mask;
+module_param(debug_mask, ulong, 0644);
+
+static DEFINE_MUTEX(ide_disk_ref_mutex);
+
+static void ide_disk_release(struct kref *);
+
+static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
+{
+	struct ide_disk_obj *idkp = NULL;
+
+	mutex_lock(&ide_disk_ref_mutex);
+	idkp = ide_drv_g(disk, ide_disk_obj);
+	if (idkp) {
+		if (ide_device_get(idkp->drive))
+			idkp = NULL;
+		else
+			kref_get(&idkp->kref);
+	}
+	mutex_unlock(&ide_disk_ref_mutex);
+	return idkp;
+}
+
+static void ide_disk_put(struct ide_disk_obj *idkp)
+{
+	ide_drive_t *drive = idkp->drive;
+
+	mutex_lock(&ide_disk_ref_mutex);
+	kref_put(&idkp->kref, ide_disk_release);
+	ide_device_put(drive);
+	mutex_unlock(&ide_disk_ref_mutex);
+}
+
+sector_t ide_gd_capacity(ide_drive_t *drive)
+{
+	return drive->capacity64;
+}
+
+static int ide_gd_probe(ide_drive_t *);
+
+static void ide_gd_remove(ide_drive_t *drive)
+{
+	struct ide_disk_obj *idkp = drive->driver_data;
+	struct gendisk *g = idkp->disk;
+
+	ide_proc_unregister_driver(drive, idkp->driver);
+
+	del_gendisk(g);
+
+	drive->disk_ops->flush(drive);
+
+	ide_disk_put(idkp);
+}
+
+static void ide_disk_release(struct kref *kref)
+{
+	struct ide_disk_obj *idkp = to_ide_drv(kref, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+	struct gendisk *g = idkp->disk;
+
+	drive->disk_ops = NULL;
+	drive->driver_data = NULL;
+	g->private_data = NULL;
+	put_disk(g);
+	kfree(idkp);
+}
+
+/*
+ * On HPA drives the capacity needs to be
+ * reinitilized on resume otherwise the disk
+ * can not be used and a hard reset is required
+ */
+static void ide_gd_resume(ide_drive_t *drive)
+{
+	if (ata_id_hpa_enabled(drive->id))
+		(void)drive->disk_ops->get_capacity(drive);
+}
+
+static void ide_gd_shutdown(ide_drive_t *drive)
+{
+#ifdef	CONFIG_ALPHA
+	/* On Alpha, halt(8) doesn't actually turn the machine off,
+	   it puts you into the sort of firmware monitor. Typically,
+	   it's used to boot another kernel image, so it's not much
+	   different from reboot(8). Therefore, we don't need to
+	   spin down the disk in this case, especially since Alpha
+	   firmware doesn't handle disks in standby mode properly.
+	   On the other hand, it's reasonably safe to turn the power
+	   off when the shutdown process reaches the firmware prompt,
+	   as the firmware initialization takes rather long time -
+	   at least 10 seconds, which should be sufficient for
+	   the disk to expire its write cache. */
+	if (system_state != SYSTEM_POWER_OFF) {
+#else
+	if (system_state == SYSTEM_RESTART) {
+#endif
+		drive->disk_ops->flush(drive);
+		return;
+	}
+
+	printk(KERN_INFO "Shutdown: %s\n", drive->name);
+
+	drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
+}
+
+#ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t *ide_disk_proc_entries(ide_drive_t *drive)
+{
+	return (drive->media == ide_disk) ? ide_disk_proc : ide_floppy_proc;
+}
+
+static const struct ide_proc_devset *ide_disk_proc_devsets(ide_drive_t *drive)
+{
+	return (drive->media == ide_disk) ? ide_disk_settings
+					  : ide_floppy_settings;
+}
+#endif
+
+static ide_startstop_t ide_gd_do_request(ide_drive_t *drive,
+					 struct request *rq, sector_t sector)
+{
+	return drive->disk_ops->do_request(drive, rq, sector);
+}
+
+static int ide_gd_end_request(ide_drive_t *drive, int uptodate, int nrsecs)
+{
+	return drive->disk_ops->end_request(drive, uptodate, nrsecs);
+}
+
+static ide_driver_t ide_gd_driver = {
+	.gen_driver = {
+		.owner		= THIS_MODULE,
+		.name		= "ide-gd",
+		.bus		= &ide_bus_type,
+	},
+	.probe			= ide_gd_probe,
+	.remove			= ide_gd_remove,
+	.resume			= ide_gd_resume,
+	.shutdown		= ide_gd_shutdown,
+	.version		= IDE_GD_VERSION,
+	.do_request		= ide_gd_do_request,
+	.end_request		= ide_gd_end_request,
+	.error			= __ide_error,
+#ifdef CONFIG_IDE_PROC_FS
+	.proc_entries		= ide_disk_proc_entries,
+	.proc_devsets		= ide_disk_proc_devsets,
+#endif
+};
+
+static int ide_gd_open(struct inode *inode, struct file *filp)
+{
+	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct ide_disk_obj *idkp;
+	ide_drive_t *drive;
+	int ret = 0;
+
+	idkp = ide_disk_get(disk);
+	if (idkp == NULL)
+		return -ENXIO;
+
+	drive = idkp->drive;
+
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
+	idkp->openers++;
+
+	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+		/* Just in case */
+
+		ret = drive->disk_ops->init_media(drive, disk);
+
+		/*
+		 * Allow O_NDELAY to open a drive without a disk, or with an
+		 * unreadable disk, so that we can get the format capacity
+		 * of the drive or begin the format - Sam
+		 */
+		if (ret && (filp->f_flags & O_NDELAY) == 0) {
+			ret = -EIO;
+			goto out_put_idkp;
+		}
+
+		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
+			ret = -EROFS;
+			goto out_put_idkp;
+		}
+
+		/*
+		 * Ignore the return code from door_lock,
+		 * since the open() has already succeeded,
+		 * and the door_lock is irrelevant at this point.
+		 */
+		drive->disk_ops->set_doorlock(drive, disk, 1);
+		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+		check_disk_change(inode->i_bdev);
+	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
+		ret = -EBUSY;
+		goto out_put_idkp;
+	}
+	return 0;
+
+out_put_idkp:
+	idkp->openers--;
+	ide_disk_put(idkp);
+	return ret;
+}
+
+static int ide_gd_release(struct inode *inode, struct file *filp)
+{
+	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
+	if (idkp->openers == 1)
+		drive->disk_ops->flush(drive);
+
+	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+		drive->disk_ops->set_doorlock(drive, disk, 0);
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+	}
+
+	idkp->openers--;
+
+	ide_disk_put(idkp);
+
+	return 0;
+}
+
+static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	geo->heads = drive->bios_head;
+	geo->sectors = drive->bios_sect;
+	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
+	return 0;
+}
+
+static int ide_gd_media_changed(struct gendisk *disk)
+{
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+	int ret;
+
+	/* do not scan partitions twice if this is a removable device */
+	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
+		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+		return 0;
+	}
+
+	ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
+	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
+
+	return ret;
+}
+
+static int ide_gd_revalidate_disk(struct gendisk *disk)
+{
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+	set_capacity(disk, ide_gd_capacity(idkp->drive));
+	return 0;
+}
+
+static int ide_gd_ioctl(struct inode *inode, struct file *file,
+			     unsigned int cmd, unsigned long arg)
+{
+	struct block_device *bdev = inode->i_bdev;
+	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	return drive->disk_ops->ioctl(drive, inode, file, cmd, arg);
+}
+
+static struct block_device_operations ide_gd_ops = {
+	.owner			= THIS_MODULE,
+	.open			= ide_gd_open,
+	.release		= ide_gd_release,
+	.ioctl			= ide_gd_ioctl,
+	.getgeo			= ide_gd_getgeo,
+	.media_changed		= ide_gd_media_changed,
+	.revalidate_disk	= ide_gd_revalidate_disk
+};
+
+static int ide_gd_probe(ide_drive_t *drive)
+{
+	const struct ide_disk_ops *disk_ops = NULL;
+	struct ide_disk_obj *idkp;
+	struct gendisk *g;
+
+	/* strstr("foo", "") is non-NULL */
+	if (!strstr("ide-gd", drive->driver_req))
+		goto failed;
+
+#ifdef CONFIG_IDE_GD_ATA
+	if (drive->media == ide_disk)
+		disk_ops = &ide_ata_disk_ops;
+#endif
+#ifdef CONFIG_IDE_GD_ATAPI
+	if (drive->media == ide_floppy)
+		disk_ops = &ide_atapi_disk_ops;
+#endif
+	if (disk_ops == NULL)
+		goto failed;
+
+	if (disk_ops->check(drive, DRV_NAME) == 0) {
+		printk(KERN_ERR PFX "%s: not supported by this driver\n",
+			drive->name);
+		goto failed;
+	}
+
+	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
+	if (!idkp) {
+		printk(KERN_ERR PFX "%s: can't allocate a disk structure\n",
+			drive->name);
+		goto failed;
+	}
+
+	g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
+	if (!g)
+		goto out_free_idkp;
+
+	ide_init_disk(g, drive);
+
+	kref_init(&idkp->kref);
+
+	idkp->drive = drive;
+	idkp->driver = &ide_gd_driver;
+	idkp->disk = g;
+
+	g->private_data = &idkp->driver;
+
+	drive->driver_data = idkp;
+	drive->debug_mask = debug_mask;
+	drive->disk_ops = disk_ops;
+
+	disk_ops->setup(drive);
+
+	set_capacity(g, ide_gd_capacity(drive));
+
+	g->minors = IDE_DISK_MINORS;
+	g->driverfs_dev = &drive->gendev;
+	g->flags |= GENHD_FL_EXT_DEVT;
+	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
+		g->flags = GENHD_FL_REMOVABLE;
+	g->fops = &ide_gd_ops;
+	add_disk(g);
+	return 0;
+
+out_free_idkp:
+	kfree(idkp);
+failed:
+	return -ENODEV;
+}
+
+static int __init ide_gd_init(void)
+{
+	printk(KERN_INFO DRV_NAME " driver " IDE_GD_VERSION "\n");
+	return driver_register(&ide_gd_driver.gen_driver);
+}
+
+static void __exit ide_gd_exit(void)
+{
+	driver_unregister(&ide_gd_driver.gen_driver);
+}
+
+MODULE_ALIAS("ide:*m-disk*");
+MODULE_ALIAS("ide-disk");
+MODULE_ALIAS("ide:*m-floppy*");
+MODULE_ALIAS("ide-floppy");
+module_init(ide_gd_init);
+module_exit(ide_gd_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("generic ATA/ATAPI disk driver");
diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h
new file mode 100644
index 00000000000..7d3d101713e
--- /dev/null
+++ b/drivers/ide/ide-gd.h
@@ -0,0 +1,44 @@
+#ifndef __IDE_GD_H
+#define __IDE_GD_H
+
+#define DRV_NAME "ide-gd"
+#define PFX DRV_NAME ": "
+
+/* define to see debug info */
+#define IDE_GD_DEBUG_LOG	0
+
+#if IDE_GD_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
+#else
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
+#endif
+
+struct ide_disk_obj {
+	ide_drive_t	*drive;
+	ide_driver_t	*driver;
+	struct gendisk	*disk;
+	struct kref	kref;
+	unsigned int	openers;	/* protected by BKL for now */
+
+	/* Last failed packet command */
+	struct ide_atapi_pc *failed_pc;
+	/* used for blk_{fs,pc}_request() requests */
+	struct ide_atapi_pc queued_pc;
+
+	/* Last error information */
+	u8 sense_key, asc, ascq;
+
+	int progress_indication;
+
+	/* Device information */
+	/* Current format */
+	int blocks, block_size, bs_factor;
+	/* Last format capacity descriptor */
+	u8 cap_desc[8];
+	/* Copy of the flexible disk page */
+	u8 flexible_disk_page[32];
+};
+
+sector_t ide_gd_capacity(ide_drive_t *);
+
+#endif /* __IDE_GD_H */
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index b762deb2dac..bb7a1ed8094 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -755,7 +755,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 	 
 	udelay(1);
 	SELECT_DRIVE(drive);
-	SELECT_MASK(drive, 0);
+	SELECT_MASK(drive, 1);
 	udelay(1);
 	tp_ops->set_irq(hwif, 0);
 
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 19f8c7770a2..1649ea54f76 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -208,6 +208,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
 		drive->ready_stat = 0;
 		if (ata_id_cdb_intr(id))
 			drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
+		drive->dev_flags |= IDE_DFLAG_DOORLOCKING;
 		/* we don't do head unloading on ATAPI devices */
 		drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
 		return;
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index b26926487cc..c31d0dd7a53 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -567,10 +567,10 @@ static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t
 void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
 {
 	mutex_lock(&ide_setting_mtx);
-	drive->settings = driver->settings;
+	drive->settings = driver->proc_devsets(drive);
 	mutex_unlock(&ide_setting_mtx);
 
-	ide_add_proc_entries(drive->proc, driver->proc, drive);
+	ide_add_proc_entries(drive->proc, driver->proc_entries(drive), drive);
 }
 
 EXPORT_SYMBOL(ide_proc_register_driver);
@@ -591,7 +591,7 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
 {
 	unsigned long flags;
 
-	ide_remove_proc_entries(drive->proc, driver->proc);
+	ide_remove_proc_entries(drive->proc, driver->proc_entries(drive));
 
 	mutex_lock(&ide_setting_mtx);
 	spin_lock_irqsave(&ide_lock, flags);
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index d879c7797cd..b2b2e5e8d38 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2108,7 +2108,7 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
 
 	/* device lacks locking support according to capabilities page */
 	if ((caps[6] & 1) == 0)
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 
 	if (caps[7] & 0x02)
 		tape->blk_size = 512;
@@ -2298,6 +2298,16 @@ static ide_proc_entry_t idetape_proc[] = {
 	{ "name",	S_IFREG|S_IRUGO,	proc_idetape_read_name,	NULL },
 	{ NULL, 0, NULL, NULL }
 };
+
+static ide_proc_entry_t *ide_tape_proc_entries(ide_drive_t *drive)
+{
+	return idetape_proc;
+}
+
+static const struct ide_proc_devset *ide_tape_proc_devsets(ide_drive_t *drive)
+{
+	return idetape_settings;
+}
 #endif
 
 static int ide_tape_probe(ide_drive_t *);
@@ -2315,8 +2325,8 @@ static ide_driver_t idetape_driver = {
 	.end_request		= idetape_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= idetape_proc,
-	.settings		= idetape_settings,
+	.proc_entries		= ide_tape_proc_entries,
+	.proc_devsets		= ide_tape_proc_devsets,
 #endif
 };
 
diff --git a/drivers/ide/pci/Makefile b/drivers/ide/pci/Makefile
index 02e6ee7d751..ab44a1f5f5a 100644
--- a/drivers/ide/pci/Makefile
+++ b/drivers/ide/pci/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_BLK_DEV_CS5535)		+= cs5535.o
 obj-$(CONFIG_BLK_DEV_SC1200)		+= sc1200.o
 obj-$(CONFIG_BLK_DEV_CY82C693)		+= cy82c693.o
 obj-$(CONFIG_BLK_DEV_DELKIN)		+= delkin_cb.o
-obj-$(CONFIG_BLK_DEV_HPT34X)		+= hpt34x.o
 obj-$(CONFIG_BLK_DEV_HPT366)		+= hpt366.o
 obj-$(CONFIG_BLK_DEV_IT8213)		+= it8213.o
 obj-$(CONFIG_BLK_DEV_IT821X)		+= it821x.o
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 8689a706f53..8f1b2d9f051 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -46,10 +46,27 @@ static const struct ide_port_ops delkin_cb_port_ops = {
 	.quirkproc		= ide_undecoded_slave,
 };
 
+static unsigned int delkin_cb_init_chipset(struct pci_dev *dev)
+{
+	unsigned long base = pci_resource_start(dev, 0);
+	int i;
+
+	outb(0x02, base + 0x1e);	/* set nIEN to block interrupts */
+	inb(base + 0x17);		/* read status to clear interrupts */
+
+	for (i = 0; i < sizeof(setup); ++i) {
+		if (setup[i])
+			outb(setup[i], base + i);
+	}
+
+	return 0;
+}
+
 static const struct ide_port_info delkin_cb_port_info = {
 	.port_ops		= &delkin_cb_port_ops,
 	.host_flags		= IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS |
 				  IDE_HFLAG_NO_DMA,
+	.init_chipset		= delkin_cb_init_chipset,
 };
 
 static int __devinit
@@ -57,7 +74,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 {
 	struct ide_host *host;
 	unsigned long base;
-	int i, rc;
+	int rc;
 	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
 
 	rc = pci_enable_device(dev);
@@ -72,12 +89,8 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 		return rc;
 	}
 	base = pci_resource_start(dev, 0);
-	outb(0x02, base + 0x1e);	/* set nIEN to block interrupts */
-	inb(base + 0x17);		/* read status to clear interrupts */
-	for (i = 0; i < sizeof(setup); ++i) {
-		if (setup[i])
-			outb(setup[i], base + i);
-	}
+
+	delkin_cb_init_chipset(dev);
 
 	memset(&hw, 0, sizeof(hw));
 	ide_std_init_ports(&hw, base + 0x10, base + 0x1e);
@@ -110,6 +123,40 @@ delkin_cb_remove (struct pci_dev *dev)
 	pci_disable_device(dev);
 }
 
+#ifdef CONFIG_PM
+static int delkin_cb_suspend(struct pci_dev *dev, pm_message_t state)
+{
+	pci_save_state(dev);
+	pci_disable_device(dev);
+	pci_set_power_state(dev, pci_choose_state(dev, state));
+
+	return 0;
+}
+
+static int delkin_cb_resume(struct pci_dev *dev)
+{
+	struct ide_host *host = pci_get_drvdata(dev);
+	int rc;
+
+	pci_set_power_state(dev, PCI_D0);
+
+	rc = pci_enable_device(dev);
+	if (rc)
+		return rc;
+
+	pci_restore_state(dev);
+	pci_set_master(dev);
+
+	if (host->init_chipset)
+		host->init_chipset(dev);
+
+	return 0;
+}
+#else
+#define delkin_cb_suspend NULL
+#define delkin_cb_resume NULL
+#endif
+
 static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = {
 	{ 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{ 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
@@ -122,6 +169,8 @@ static struct pci_driver delkin_cb_pci_driver = {
 	.id_table	= delkin_cb_pci_tbl,
 	.probe		= delkin_cb_probe,
 	.remove		= delkin_cb_remove,
+	.suspend	= delkin_cb_suspend,
+	.resume		= delkin_cb_resume,
 };
 
 static int __init delkin_cb_init(void)
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
deleted file mode 100644
index fb1a3aa57f0..00000000000
--- a/drivers/ide/pci/hpt34x.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 1998-2000	Andre Hedrick <andre@linux-ide.org>
- *
- * May be copied or modified under the terms of the GNU General Public License
- *
- *
- * 00:12.0 Unknown mass storage controller:
- * Triones Technologies, Inc.
- * Unknown device 0003 (rev 01)
- *
- * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010)
- * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030)
- * hde: DMA 2  (0x0000 0x0002) (0x0000 0x0010)
- * hdf: DMA 2  (0x0002 0x0012) (0x0010 0x0030)
- * hdg: DMA 1  (0x0012 0x0052) (0x0030 0x0070)
- * hdh: DMA 1  (0x0052 0x0252) (0x0070 0x00f0)
- *
- * ide-pci.c reference
- *
- * Since there are two cards that report almost identically,
- * the only discernable difference is the values reported in pcicmd.
- * Booting-BIOS card or HPT363 :: pcicmd == 0x07
- * Non-bootable card or HPT343 :: pcicmd == 0x05
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/ide.h>
-
-#define DRV_NAME "hpt34x"
-
-#define HPT343_DEBUG_DRIVE_INFO		0
-
-static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
-{
-	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
-	u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
-	u8			hi_speed, lo_speed;
-
-	hi_speed = speed >> 4;
-	lo_speed = speed & 0x0f;
-
-	if (hi_speed & 7) {
-		hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
-	} else {
-		lo_speed <<= 5;
-		lo_speed >>= 5;
-	}
-
-	pci_read_config_dword(dev, 0x44, &reg1);
-	pci_read_config_dword(dev, 0x48, &reg2);
-	tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
-	tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
-	pci_write_config_dword(dev, 0x44, tmp1);
-	pci_write_config_dword(dev, 0x48, tmp2);
-
-#if HPT343_DEBUG_DRIVE_INFO
-	printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
-		" (0x%02x 0x%02x)\n",
-		drive->name, ide_xfer_verbose(speed),
-		drive->dn, reg1, tmp1, reg2, tmp2,
-		hi_speed, lo_speed);
-#endif /* HPT343_DEBUG_DRIVE_INFO */
-}
-
-static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
-{
-	hpt34x_set_mode(drive, XFER_PIO_0 + pio);
-}
-
-/*
- * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
- */
-#define	HPT34X_PCI_INIT_REG		0x80
-
-static unsigned int init_chipset_hpt34x(struct pci_dev *dev)
-{
-	int i = 0;
-	unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
-	unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
-	unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
-	u16 cmd;
-	unsigned long flags;
-
-	local_irq_save(flags);
-
-	pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-
-	if (cmd & PCI_COMMAND_MEMORY)
-		pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
-	else
-		pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
-
-	/*
-	 * Since 20-23 can be assigned and are R/W, we correct them.
-	 */
-	pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
-	for(i=0; i<4; i++) {
-		dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
-		dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
-		dev->resource[i].flags = IORESOURCE_IO;
-		pci_write_config_dword(dev,
-				(PCI_BASE_ADDRESS_0 + (i * 4)),
-				dev->resource[i].start);
-	}
-	pci_write_config_word(dev, PCI_COMMAND, cmd);
-
-	local_irq_restore(flags);
-
-	return dev->irq;
-}
-
-static const struct ide_port_ops hpt34x_port_ops = {
-	.set_pio_mode		= hpt34x_set_pio_mode,
-	.set_dma_mode		= hpt34x_set_mode,
-};
-
-#define IDE_HFLAGS_HPT34X \
-	(IDE_HFLAG_NO_ATAPI_DMA | \
-	 IDE_HFLAG_NO_DSC | \
-	 IDE_HFLAG_NO_AUTODMA)
-
-static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
-	{ /* 0: HPT343 */
-		.name		= DRV_NAME,
-		.init_chipset	= init_chipset_hpt34x,
-		.port_ops	= &hpt34x_port_ops,
-		.host_flags	= IDE_HFLAGS_HPT34X | IDE_HFLAG_NON_BOOTABLE,
-		.pio_mask	= ATA_PIO5,
-	},
-	{ /* 1: HPT345 */
-		.name		= DRV_NAME,
-		.init_chipset	= init_chipset_hpt34x,
-		.port_ops	= &hpt34x_port_ops,
-		.host_flags	= IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD,
-		.pio_mask	= ATA_PIO5,
-#ifdef CONFIG_HPT34X_AUTODMA
-		.swdma_mask	= ATA_SWDMA2,
-		.mwdma_mask	= ATA_MWDMA2,
-		.udma_mask	= ATA_UDMA2,
-#endif
-	}
-};
-
-static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
-{
-	const struct ide_port_info *d;
-	u16 pcicmd = 0;
-
-	pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
-
-	d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
-
-	return ide_pci_init_one(dev, d, NULL);
-}
-
-static const struct pci_device_id hpt34x_pci_tbl[] = {
-	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
-	{ 0, },
-};
-MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
-
-static struct pci_driver hpt34x_pci_driver = {
-	.name		= "HPT34x_IDE",
-	.id_table	= hpt34x_pci_tbl,
-	.probe		= hpt34x_init_one,
-	.remove		= ide_pci_remove,
-	.suspend	= ide_pci_suspend,
-	.resume		= ide_pci_resume,
-};
-
-static int __init hpt34x_ide_init(void)
-{
-	return ide_pci_register_driver(&hpt34x_pci_driver);
-}
-
-static void __exit hpt34x_ide_exit(void)
-{
-	pci_unregister_driver(&hpt34x_pci_driver);
-}
-
-module_init(hpt34x_ide_init);
-module_exit(hpt34x_ide_exit);
-
-MODULE_AUTHOR("Andre Hedrick");
-MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
-MODULE_LICENSE("GPL");
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 9cf171cb937..a7909e9c720 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -3,7 +3,7 @@
  * Portions Copyright (C) 2001	        Sun Microsystems, Inc.
  * Portions Copyright (C) 2003		Red Hat Inc
  * Portions Copyright (C) 2007		Bartlomiej Zolnierkiewicz
- * Portions Copyright (C) 2005-2007	MontaVista Software, Inc.
+ * Portions Copyright (C) 2005-2008	MontaVista Software, Inc.
  *
  * Thanks to HighPoint Technologies for their assistance, and hardware.
  * Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his
@@ -748,26 +748,24 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
 	struct pci_dev	*dev	= to_pci_dev(hwif->dev);
 	struct hpt_info *info	= hpt3xx_get_info(hwif->dev);
 
-	if (drive->quirk_list) {
-		if (info->chip_type >= HPT370) {
-			u8 scr1 = 0;
-
-			pci_read_config_byte(dev, 0x5a, &scr1);
-			if (((scr1 & 0x10) >> 4) != mask) {
-				if (mask)
-					scr1 |=  0x10;
-				else
-					scr1 &= ~0x10;
-				pci_write_config_byte(dev, 0x5a, scr1);
-			}
-		} else {
+	if (drive->quirk_list == 0)
+		return;
+
+	if (info->chip_type >= HPT370) {
+		u8 scr1 = 0;
+
+		pci_read_config_byte(dev, 0x5a, &scr1);
+		if (((scr1 & 0x10) >> 4) != mask) {
 			if (mask)
-				disable_irq(hwif->irq);
+				scr1 |=  0x10;
 			else
-				enable_irq (hwif->irq);
+				scr1 &= ~0x10;
+			pci_write_config_byte(dev, 0x5a, scr1);
 		}
-	} else
-		outb(ATA_DEVCTL_OBS | (mask ? 2 : 0), hwif->io_ports.ctl_addr);
+	} else if (mask)
+		disable_irq(hwif->irq);
+	else
+		enable_irq(hwif->irq);
 }
 
 /*
@@ -1289,7 +1287,6 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
 
 static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
 {
-	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	struct hpt_info *info	= hpt3xx_get_info(hwif->dev);
 	int serialize		= HPT_SERIALIZE_IO;
 	u8  chip_type		= info->chip_type;
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 9ce1d805992..49f163aa51e 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -617,7 +617,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
 	unsigned long intmask_port;
 	unsigned long mode_port;
 	unsigned long ecmode_port;
-	unsigned long dma_status_port;
 	u32 reg = 0;
 	struct scc_ports *ports;
 	int rc;
@@ -637,7 +636,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
 	intmask_port = dma_base + 0x010;
 	mode_port = ctl_base + 0x024;
 	ecmode_port = ctl_base + 0xf00;
-	dma_status_port = dma_base + 0x004;
 
 	/* controller initialization */
 	reg = 0;
@@ -843,8 +841,6 @@ static u8 scc_cable_detect(ide_hwif_t *hwif)
 
 static void __devinit init_hwif_scc(ide_hwif_t *hwif)
 {
-	struct scc_ports *ports = ide_get_hwifdata(hwif);
-
 	/* PTERADD */
 	out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma);
 
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index dd634541ce3..8af9b23499f 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -101,18 +101,8 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
 	for (i = 0; i <= 7; i++)
 		hw->io_ports_array[i] = reg + i * 4;
 
-	if (ctrl_port)
-		hw->io_ports.ctl_addr = ctrl_port;
-
-	if (irq_port)
-		hw->io_ports.irq_addr = irq_port;
-}
-
-static void
-sgiioc4_maskproc(ide_drive_t * drive, int mask)
-{
-	writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0),
-	       (void __iomem *)drive->hwif->io_ports.ctl_addr);
+	hw->io_ports.ctl_addr = ctrl_port;
+	hw->io_ports.irq_addr = irq_port;
 }
 
 static int
@@ -310,16 +300,14 @@ static u8 sgiioc4_read_status(ide_hwif_t *hwif)
 	unsigned long port = hwif->io_ports.status_addr;
 	u8 reg = (u8) readb((void __iomem *) port);
 
-	if ((port & 0xFFF) == 0x11C) {	/* Status register of IOC4 */
-		if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */
-			unsigned long other_ir = port - 0x110;
-			unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
+	if (!(reg & ATA_BUSY)) {	/* Not busy... check for interrupt */
+		unsigned long other_ir = port - 0x110;
+		unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
 
-			/* Clear the Interrupt, Error bits on the IOC4 */
-			if (intr_reg & 0x03) {
-				writel(0x03, (void __iomem *) other_ir);
-				intr_reg = (u32) readl((void __iomem *) other_ir);
-			}
+		/* Clear the Interrupt, Error bits on the IOC4 */
+		if (intr_reg & 0x03) {
+			writel(0x03, (void __iomem *) other_ir);
+			intr_reg = (u32) readl((void __iomem *) other_ir);
 		}
 	}
 
@@ -332,13 +320,9 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 {
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	unsigned long dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET;
-	void __iomem *virt_dma_base;
 	int num_ports = sizeof (ioc4_dma_regs_t);
 	void *pad;
 
-	if (dma_base == 0)
-		return -1;
-
 	printk(KERN_INFO "    %s: MMIO-DMA\n", hwif->name);
 
 	if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) {
@@ -348,14 +332,8 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 		return -1;
 	}
 
-	virt_dma_base = ioremap(dma_base, num_ports);
-	if (virt_dma_base == NULL) {
-		printk(KERN_ERR "%s(%s) -- ERROR: unable to map addresses "
-		       "0x%lx to 0x%lx\n", __func__, hwif->name,
-		       dma_base, dma_base + num_ports - 1);
-		goto dma_remap_failure;
-	}
-	hwif->dma_base = (unsigned long) virt_dma_base;
+	hwif->dma_base = (unsigned long)hwif->io_ports.irq_addr +
+			 IOC4_DMA_OFFSET;
 
 	hwif->sg_max_nents = IOC4_PRD_ENTRIES;
 
@@ -379,9 +357,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 	printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name);
 
 dma_pci_alloc_failure:
-	iounmap(virt_dma_base);
-
-dma_remap_failure:
 	release_mem_region(dma_base, num_ports);
 
 	return -1;
@@ -563,8 +538,6 @@ static const struct ide_port_ops sgiioc4_port_ops = {
 	.set_dma_mode		= sgiioc4_set_dma_mode,
 	/* reset DMA engine, clear IRQs */
 	.resetproc		= sgiioc4_resetproc,
-	/* mask on/off NIEN register */
-	.maskproc		= sgiioc4_maskproc,
 };
 
 static const struct ide_dma_ops sgiioc4_dma_ops = {
author	Linus Torvalds <torvalds@linux-foundation.org>	2008-10-20 13:12:39 -0700
committer	Linus Torvalds <torvalds@linux-foundation.org>	2008-10-20 13:12:39 -0700
commit	72558dde738b06cc01e16b3247a9659ca739e22d (patch)
tree	9b9ff02668fd9f948efe24bef56a23fb78f7e4d0 /drivers/ide
parent	b91385236c00031c64b42b44db8068ad38a5ea11 (diff)
parent	769b49ce68386b21e45bb6e573b63c02020b17a1 (diff)
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