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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-19 00:30:06 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-19 00:30:06 +0200 |
| commit | 33c1002ed912ac9dacedd5d5b166da3b72d18460 (patch) | |
| tree | c129987c6935542a8bd95924873ac6bf0e1e756c /drivers/ide/ide-dma.c | |
| parent | ide: add DECLARE_GENERIC_PCI_DEV() macro to generic IDE PCI host driver (diff) | |
| download | linux-dev-33c1002ed912ac9dacedd5d5b166da3b72d18460.tar.xz linux-dev-33c1002ed912ac9dacedd5d5b166da3b72d18460.zip | |
ide: add IDE_HFLAG_NO_ATAPI_DMA host flag
Add IDE_HFLAG_NO_ATAPI_DMA host flag and set it in host drivers which
don't support ATAPI DMA. Then remove no longer needed hwif->atapi_dma.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-dma.c')
| -rw-r--r-- | drivers/ide/ide-dma.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index bc57ce6bf0b3..80b4f17f3941 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -338,8 +338,10 @@ static int config_drive_for_dma (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; struct hd_driveid *id = drive->id; - if (drive->media != ide_disk && hwif->atapi_dma == 0) - return 0; + if (drive->media != ide_disk) { + if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA) + return -1; + } /* * Enable DMA on any drive that has @@ -726,8 +728,10 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode) int x, i; u8 mode = 0; - if (drive->media != ide_disk && hwif->atapi_dma == 0) - return 0; + if (drive->media != ide_disk) { + if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA) + return 0; + } for (i = 0; i < ARRAY_SIZE(xfer_mode_bases); i++) { if (req_mode < xfer_mode_bases[i]) |