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ide: disable DMA in ->ide_dma_check for "no IORDY" case (v2)

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If DMA is unsupported ->ide_dma_check should disable DMA.

v2:
* updated for scc_pata

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2007-02-17 02:40:25 +01:00
parent 2ad1e558a2
commit d8f4469d5f
15 changed files with 43 additions and 71 deletions
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8
drivers/ide/pci/piix.c
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@@ -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);
}
/**