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ide-atapi: combine drive-specific assignments

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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>
This commit is contained in:
Borislav Petkov 2009-01-02 16:12:52 +01:00 committed by Bartlomiej Zolnierkiewicz
parent 991cb26a6a
commit ed48554fad
1 changed files with 11 additions and 12 deletions
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23
drivers/ide/ide-atapi.c
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@ -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 */