[ARM] Ensure sl82c105 IDE interfaces are serialized when using DMA

We don't want to reset the DMA state machine while the other
channel is in use.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2005-11-12 17:45:45 +00:00 committed by Russell King
parent da2660d2c4
commit a1510210c4

View File

@ -465,6 +465,9 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
hwif->drives[1].autodma = hwif->autodma;
if (hwif->mate)
hwif->serialized = hwif->mate->serialized = 1;
#endif /* CONFIG_BLK_DEV_IDEDMA */
}
hwif->OUTB(dma_state, hwif->dma_base + 2);