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| author | Borislav Petkov <petkovbb@googlemail.com> | 2008-10-13 21:39:49 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-13 21:39:49 +0200 |
| commit | 0a9b6f8864362e31e348b12922a92b48b1b8cc94 (patch) | |
| tree | 00aac30c355cf10cd5e2db7f99dd7cfb587c70db /drivers/ide | |
| parent | 35d9b17fe2dc48514fa3fbeec910e54103d13333 (diff) | |
| download | linux-3.10-0a9b6f8864362e31e348b12922a92b48b1b8cc94.tar.gz linux-3.10-0a9b6f8864362e31e348b12922a92b48b1b8cc94.tar.bz2 linux-3.10-0a9b6f8864362e31e348b12922a92b48b1b8cc94.zip | |
ide: add ide_drive_t.dma flag
This flag is to accomodate ide-cd functionality into ide atapi.
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/ide')
| -rw-r--r-- | drivers/ide/ide-atapi.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index a1d8c3557a4..d55784173a7 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -545,7 +545,7 @@ 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; u16 bcount; - u8 dma = 0, scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); + u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); /* We haven't transferred any data yet */ pc->xferred = 0; @@ -566,15 +566,16 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, (drive->dev_flags & IDE_DFLAG_USING_DMA)) { if (scsi) hwif->sg_mapped = 1; - dma = !hwif->dma_ops->dma_setup(drive); + drive->dma = !hwif->dma_ops->dma_setup(drive); if (scsi) hwif->sg_mapped = 0; } - if (!dma) + if (!drive->dma) pc->flags &= ~PC_FLAG_DMA_OK; - ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, dma); + ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, + drive->dma); /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { |