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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-02-17 02:40:25 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-02-17 02:40:25 +0100
commitd8f4469d5f2c35e0b8272f254b42737a2b8ce877 (patch)
tree3528896358f9d707694ab470055a19dfe68b3a09 /drivers/ide/pci/piix.c
parent2ad1e558a2305c2b3d5099ee2f4a5929307c20ca (diff)
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.c8
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);
}
/**