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Commit a1510210 authored by Russell King's avatar Russell King Committed by Russell King
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[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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent da2660d2

drivers/ide/pci/sl82c105.c

+3 −0
Original line number Diff line number Diff line
@@ -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);