There should be no functional change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@xxxxxxxxx>
---
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 763acd7..df17401 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -550,6 +550,7 @@ 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);
@@ -582,8 +583,14 @@ 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) {
--
1.5.5.1
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