diff options
Diffstat (limited to 'drivers/ide/ide-tape.c')
-rw-r--r-- | drivers/ide/ide-tape.c | 56 |
1 files changed, 2 insertions, 54 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 2a362138f973..5adc2c9ae418 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -947,64 +947,12 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) * again, the callback function will be called and then we will handle the next * request. */ - -static u8 ide_tape_wait_ireason(ide_drive_t *drive, u8 ireason) -{ - ide_hwif_t *hwif = drive->hwif; - int retries = 100; - - while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) { - printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " - "a packet command, retrying\n", drive->name); - udelay(100); - ireason = hwif->INB(hwif->io_ports.nsect_addr); - if (retries == 0) { - printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " - "a packet command, ignoring\n", - drive->name); - ireason |= CD; - ireason &= ~IO; - } - } - - return ireason; -} - static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - struct ide_atapi_pc *pc = tape->pc; - ide_startstop_t startstop; - u8 ireason; - - if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) { - printk(KERN_ERR "%s: Strange, packet command initiated yet " - "DRQ isn't asserted\n", drive->name); - return startstop; - } - - ireason = hwif->INB(hwif->io_ports.nsect_addr); - ireason = ide_tape_wait_ireason(drive, ireason); - if ((ireason & CD) == 0 || (ireason & IO)) { - printk(KERN_ERR "%s: (IO,CoD) != (0,1) while issuing " - "a packet command\n", drive->name); - return ide_do_reset(drive); - } - /* Set the interrupt routine */ - ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); - - /* Begin DMA, if necessary */ - if (pc->flags & PC_FLAG_DMA_OK) { - pc->flags |= PC_FLAG_DMA_IN_PROGRESS; - hwif->dma_ops->dma_start(drive); - } - - /* Send the actual packet */ - hwif->output_data(drive, NULL, pc->c, 12); - - return ide_started; + return ide_transfer_pc(drive, tape->pc, idetape_pc_intr, + IDETAPE_WAIT_CMD, NULL); } static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, |