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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-02-17 02:40:25 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-02-17 02:40:25 +0100 |
| commit | d8f4469d5f2c35e0b8272f254b42737a2b8ce877 (patch) | |
| tree | 3528896358f9d707694ab470055a19dfe68b3a09 /drivers/ide/pci/piix.c | |
| parent | ide: convert ide_hwif_t.mmio into flag (v2) (diff) | |
| download | linux-dev-d8f4469d5f2c35e0b8272f254b42737a2b8ce877.tar.xz linux-dev-d8f4469d5f2c35e0b8272f254b42737a2b8ce877.zip | |
ide: disable DMA in ->ide_dma_check for "no IORDY" case (v2)
If DMA is unsupported ->ide_dma_check should disable DMA.
v2:
* updated for scc_pata
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/piix.c')
| -rw-r--r-- | drivers/ide/pci/piix.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 85e8a78e10ad..caf606a1ee86 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -393,14 +393,12 @@ static int piix_config_drive_xfer_rate (ide_drive_t *drive) if (ide_use_dma(drive) && piix_config_drive_for_dma(drive)) return hwif->ide_dma_on(drive); - if (ide_use_fast_pio(drive)) { + if (ide_use_fast_pio(drive)) /* Find best PIO mode. */ (void) hwif->speedproc(drive, XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 4, NULL)); - return hwif->ide_dma_off_quietly(drive); - } - /* IORDY not supported */ - return 0; + + return hwif->ide_dma_off_quietly(drive); } /** |