diff options
Diffstat (limited to 'drivers/ide')
-rw-r--r-- | drivers/ide/ide-cd.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 6c7dd8fd8638..1c1ba43c263c 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c | |||
@@ -572,24 +572,17 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive) | |||
572 | 572 | ||
573 | ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__); | 573 | ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__); |
574 | 574 | ||
575 | if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { | 575 | /* we must wait for DRQ to get set */ |
576 | /* | 576 | if (ide_wait_stat(&startstop, drive, ATA_DRQ, ATA_BUSY, WAIT_READY)) { |
577 | * Here we should have been called after receiving an interrupt | 577 | printk(KERN_ERR "%s: timeout while waiting for DRQ to assert\n", |
578 | * from the device. DRQ should how be set. | 578 | drive->name); |
579 | */ | 579 | return startstop; |
580 | 580 | } | |
581 | /* check for errors */ | ||
582 | if (cdrom_decode_status(drive, ATA_DRQ, NULL)) | ||
583 | return ide_stopped; | ||
584 | 581 | ||
582 | if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { | ||
585 | /* ok, next interrupt will be DMA interrupt */ | 583 | /* ok, next interrupt will be DMA interrupt */ |
586 | if (drive->dma) | 584 | if (drive->dma) |
587 | drive->waiting_for_dma = 1; | 585 | drive->waiting_for_dma = 1; |
588 | } else { | ||
589 | /* otherwise, we must wait for DRQ to get set */ | ||
590 | if (ide_wait_stat(&startstop, drive, ATA_DRQ, | ||
591 | ATA_BUSY, WAIT_READY)) | ||
592 | return startstop; | ||
593 | } | 586 | } |
594 | 587 | ||
595 | /* arm the interrupt handler */ | 588 | /* arm the interrupt handler */ |