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pata_oldpiix: MWDMA0 is unsupported

PATCH New Bartlomiej Zolnierkiewicz 1 participant 1 message Nov 27, 2009 libata

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Bartlomiej Zolnierkiewicz

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PATCH 1/1 pata_oldpiix: MWDMA0 is unsupported

MWDMA0 timings cannot be met with the PIIX based controller programming interface.

Signed-off-by Bartlomiej Zolnierkiewicz <[email protected]>
---
 drivers/ata/pata_oldpiix.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/ata/pata_oldpiix.c +1 -1
Index: b/drivers/ata/pata_oldpiix.c
===================================================================
@@ -198,7 +198,7 @@ static int oldpiix_init_one (struct pci_
 	static const struct ata_port_info info = {
 		.flags		= ATA_FLAG_SLAVE_POSS,
 		.pio_mask	= ATA_PIO4,
-		.mwdma_mask	= ATA_MWDMA2,
+		.mwdma_mask	= ATA_MWDMA12_ONLY,
 		.port_ops	= &oldpiix_pata_ops,
 	};
 	const struct ata_port_info *ppi[] = { &info, NULL };