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: (80 commits)
  ide-floppy: fix unfortunate function naming
  ide-tape: unify idetape_create_read/write_cmd
  ide: add ide_pc_intr() helper
  ide-{floppy,scsi}: read Status Register before stopping DMA engine
  ide-scsi: add more debugging to idescsi_pc_intr()
  ide-scsi: use pc->callback
  ide-floppy: add more debugging to idefloppy_pc_intr()
  ide-tape: always log debug info in idetape_pc_intr() if debugging is enabled
  ide-tape: add ide_tape_io_buffers() helper
  ide-tape: factor out DSC handling from idetape_pc_intr()
  ide-{floppy,tape}: move checking of ->failed_pc to ->callback
  ide: add ide_issue_pc() helper
  ide: add PC_FLAG_DRQ_INTERRUPT pc flag
  ide-scsi: move idescsi_map_sg() call out from idescsi_issue_pc()
  ide: add ide_transfer_pc() helper
  ide-scsi: set drive->scsi flag for devices handled by the driver
  ide-{cd,floppy,tape}: remove checking for drive->scsi
  ide: add PC_FLAG_ZIP_DRIVE pc flag
  ide-tape: factor out waiting for good ireason from idetape_transfer_pc()
  ide-tape: set PC_FLAG_DMA_IN_PROGRESS flag in idetape_transfer_pc()
  ...

2 files changed, 24 insertions, 32 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1ffd8bfdc4c9..32a441b05fd5 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -651,7 +651,6 @@ extern void generic_make_request(struct bio *bio);
 extern void blk_rq_init(struct request_queue *q, struct request *rq);
 extern void blk_put_request(struct request *);
 extern void __blk_put_request(struct request_queue *, struct request *);
-extern void blk_end_sync_rq(struct request *rq, int error);
 extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
 extern void blk_insert_request(struct request_queue *, struct request *, int, void *);
 extern void blk_requeue_request(struct request_queue *, struct request *);
diff --git a/include/linux/ide.h b/include/linux/ide.h
index eddb6daadf4a..ac4eeb2932ef 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -364,7 +364,6 @@ typedef struct ide_drive_s {
         u8      wcache;         /* status of write cache */
         u8      acoustic;       /* acoustic management */
         u8      media;          /* disk, cdrom, tape, floppy, ... */
-        u8      ctl;            /* "normal" value for Control register */
         u8      ready_stat;     /* min status value for drive ready */
         u8      mult_count;     /* current multiple sector setting */
         u8      mult_req;       /* requested multiple sector setting */
@@ -493,7 +492,7 @@ typedef struct hwif_s {
         void (*ide_dma_clear_irq)(ide_drive_t *drive);
 
         void (*OUTB)(u8 addr, unsigned long port);
-        void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port);
+        void (*OUTBSYNC)(struct hwif_s *hwif, u8 addr, unsigned long port);
 
         u8  (*INB)(unsigned long port);
 
@@ -532,7 +531,6 @@ typedef struct hwif_s {
         unsigned        serialized : 1; /* serialized all channel operation */
         unsigned        sharing_irq: 1; /* 1 = sharing irq with another hwif */
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
-        unsigned        mmio       : 1; /* host uses MMIO */
 
         struct device           gendev;
         struct device           *portdev;
@@ -604,12 +602,13 @@ enum {
         PC_FLAG_SUPPRESS_ERROR          = (1 << 1),
         PC_FLAG_WAIT_FOR_DSC            = (1 << 2),
         PC_FLAG_DMA_OK                  = (1 << 3),
-        PC_FLAG_DMA_RECOMMENDED         = (1 << 4),
-        PC_FLAG_DMA_IN_PROGRESS         = (1 << 5),
-        PC_FLAG_DMA_ERROR               = (1 << 6),
-        PC_FLAG_WRITING                 = (1 << 7),
+        PC_FLAG_DMA_IN_PROGRESS         = (1 << 4),
+        PC_FLAG_DMA_ERROR               = (1 << 5),
+        PC_FLAG_WRITING                 = (1 << 6),
         /* command timed out */
-        PC_FLAG_TIMEDOUT                = (1 << 8),
+        PC_FLAG_TIMEDOUT                = (1 << 7),
+        PC_FLAG_ZIP_DRIVE               = (1 << 8),
+        PC_FLAG_DRQ_INTERRUPT           = (1 << 9),
 };
 
 struct ide_atapi_pc {
@@ -642,8 +641,8 @@ struct ide_atapi_pc {
          * to change/removal later.
          */
         u8 pc_buf[256];
-        void (*idefloppy_callback) (ide_drive_t *);
-        ide_startstop_t (*idetape_callback) (ide_drive_t *);
+
+        void (*callback)(ide_drive_t *);
 
         /* idetape only */
         struct idetape_bh *bh;
@@ -813,10 +812,6 @@ int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsig
 #ifndef _IDE_C
 extern  ide_hwif_t      ide_hwifs[];            /* master data repository */
 #endif
-extern int ide_noacpi;
-extern int ide_acpigtf;
-extern int ide_acpionboot;
-extern int noautodma;
 
 extern int ide_vlb_clk;
 extern int ide_pci_clk;
@@ -857,25 +852,12 @@ int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
 
 extern ide_startstop_t ide_do_reset (ide_drive_t *);
 
-extern void ide_init_drive_cmd (struct request *rq);
-
-/*
- * "action" parameter type for ide_do_drive_cmd() below.
- */
-typedef enum {
-        ide_wait,       /* insert rq at end of list, and wait for it */
-        ide_preempt,    /* insert rq in front of current request */
-        ide_head_wait,  /* insert rq in front of current request and wait for it */
-        ide_end         /* insert rq at end of list, but don't wait for it */
-} ide_action_t;
-
-extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
+extern void ide_do_drive_cmd(ide_drive_t *, struct request *);
 
 extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
 
 enum {
         IDE_TFLAG_LBA48                 = (1 << 0),
-        IDE_TFLAG_NO_SELECT_MASK        = (1 << 1),
         IDE_TFLAG_FLAGGED               = (1 << 2),
         IDE_TFLAG_OUT_DATA              = (1 << 3),
         IDE_TFLAG_OUT_HOB_FEATURE       = (1 << 4),
@@ -980,11 +962,23 @@ typedef struct ide_task_s {
 void ide_tf_dump(const char *, struct ide_taskfile *);
 
 extern void SELECT_DRIVE(ide_drive_t *);
+void SELECT_MASK(ide_drive_t *, int);
 
 extern int drive_is_ready(ide_drive_t *);
 
 void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
 
+ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
+        ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
+        void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),
+        void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *),
+        void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int,
+                           int));
+ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *,
+                                ide_handler_t *, unsigned int, ide_expiry_t *);
+ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_atapi_pc *,
+                             ide_handler_t *, unsigned int, ide_expiry_t *);
+
 ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
 
 void task_end_request(ide_drive_t *, struct request *, u8);
@@ -996,8 +990,6 @@ int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long);
 
-extern int system_bus_clock(void);
-
 extern int ide_driveid_update(ide_drive_t *);
 extern int ide_config_drive_speed(ide_drive_t *, u8);
 extern u8 eighty_ninty_three (ide_drive_t *);
@@ -1349,7 +1341,8 @@ static inline void ide_set_irq(ide_drive_t *drive, int on)
 {
         ide_hwif_t *hwif = drive->hwif;
 
-        hwif->OUTB(drive->ctl | (on ? 0 : 2), hwif->io_ports.ctl_addr);
+        hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | (on ? 0 : 2),
+                       hwif->io_ports.ctl_addr);
 }
 
 static inline u8 ide_read_status(ide_drive_t *drive)