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authorBorislav Petkov <petkovbb@googlemail.com>2009-01-02 16:12:52 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-01-02 16:12:52 +0100
commited48554fad7091b9613b967462f082bf1a9cb035 (patch)
treede4c62e933d3ecd3446cd561bc240afe2a353c37 /drivers
parent991cb26a6ad287c3bc6555c41e830590a23910c4 (diff)
ide-atapi: combine drive-specific assignments
There should be no functionality change resulting from this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/ide-atapi.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 33a15343e8b..b6e0aac6893 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -551,18 +551,24 @@ 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;
+ u16 bcount = 0;
u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI);
/* We haven't transferred any data yet */
pc->xferred = 0;
pc->cur_pos = pc->buf;
- /* Request to transfer the entire buffer at once */
- if (drive->media == ide_tape && scsi == 0)
- bcount = pc->req_xfer;
- else
+ if (dev_is_idecd(drive)) {
+ tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;
+ } else if (scsi) {
+ tf_flags = 0;
bcount = min(pc->req_xfer, 63 * 1024);
+ } else {
+ tf_flags = IDE_TFLAG_OUT_DEVICE;
+ bcount = ((drive->media == ide_tape) ?
+ pc->req_xfer :
+ min(pc->req_xfer, 63 * 1024));
+ }
if (pc->flags & PC_FLAG_DMA_ERROR) {
pc->flags &= ~PC_FLAG_DMA_ERROR;
@@ -581,13 +587,6 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
if (!drive->dma)
pc->flags &= ~PC_FLAG_DMA_OK;
- if (scsi)
- tf_flags = 0;
- else if (dev_is_idecd(drive))
- 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 */