diff options
| -rw-r--r-- | drivers/ide/ide-atapi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index d55784173a7..2e305714c20 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -544,6 +544,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, { struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; + u32 tf_flags; u16 bcount; u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); @@ -574,8 +575,14 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, if (!drive->dma) pc->flags &= ~PC_FLAG_DMA_OK; - ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, - drive->dma); + if (scsi) + tf_flags = 0; + else if (drive->media == ide_cdrom || drive->media == ide_optical) + tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL; + else + tf_flags = IDE_TFLAG_OUT_DEVICE; + + ide_pktcmd_tf_load(drive, tf_flags, bcount, drive->dma); /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { |