ide: add pointer to the current packet command to ide_drive_t

[linux-2.6-omap-h63xx.git] / drivers / ide / ide-atapi.c

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 608c5bade92939476d15a1c1f053584fde419e95..0069c4f082445f3fcc37208e664b2a7479684f0f 100644 (file)
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -204,24 +204,25 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
 EXPORT_SYMBOL_GPL(ide_set_media_lock);
 
 /* TODO: unify the code thus making some arguments go away */
-ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ide_startstop_t ide_pc_intr(ide_drive_t *drive,
        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 (*retry_pc)(ide_drive_t *),
        int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int))
 {
+       struct ide_atapi_pc *pc = drive->pc;
        ide_hwif_t *hwif = drive->hwif;
        struct request *rq = hwif->hwgroup->rq;
        const struct ide_tp_ops *tp_ops = hwif->tp_ops;
        xfer_func_t *xferfunc;
        unsigned int temp;
        u16 bcount;
-       u8 stat, ireason, scsi = drive->scsi;
+       u8 stat, ireason, scsi = drive->scsi, dsc = 0;
 
        debug_log("Enter %s - interrupt handler\n", __func__);
 
        if (pc->flags & PC_FLAG_TIMEDOUT) {
-               drive->pc_callback(drive);
+               drive->pc_callback(drive, 0);
                return ide_stopped;
        }
 
@@ -283,14 +284,12 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
                }
 cmd_finished:
                pc->error = 0;
-               if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) &&
-                   (stat & ATA_DSC) == 0) {
-                       dsc_handle(drive);
-                       return ide_stopped;
-               }
+
+               if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && (stat & ATA_DSC) == 0)
+                       dsc = 1;
 
                /* Command finished - Call the callback function */
-               drive->pc_callback(drive);
+               drive->pc_callback(drive, dsc);
 
                return ide_stopped;
        }
@@ -418,10 +417,11 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason)
        return ireason;
 }
 
-ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ide_startstop_t ide_transfer_pc(ide_drive_t *drive,
                                ide_handler_t *handler, unsigned int timeout,
                                ide_expiry_t *expiry)
 {
+       struct ide_atapi_pc *pc = drive->pc;
        ide_hwif_t *hwif = drive->hwif;
        struct request *rq = hwif->hwgroup->rq;
        ide_startstop_t startstop;
@@ -460,10 +460,11 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
 }
 EXPORT_SYMBOL_GPL(ide_transfer_pc);
 
-ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ide_startstop_t ide_issue_pc(ide_drive_t *drive,
                             ide_handler_t *handler, unsigned int timeout,
                             ide_expiry_t *expiry)
 {
+       struct ide_atapi_pc *pc = drive->pc;
        ide_hwif_t *hwif = drive->hwif;
        u16 bcount;
        u8 dma = 0;