pata_rdc: 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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2009-11-27 18:58 UTC #0 lore raw

PATCH 1/1 pata_rdc: 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_rdc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

drivers/ata/pata_rdc.c +1 -1

Index: b/drivers/ata/pata_rdc.c
===================================================================
@@ -244,7 +244,7 @@ static struct ata_port_info rdc_port_inf
 
 	.flags		= ATA_FLAG_SLAVE_POSS,
 	.pio_mask	= ATA_PIO4,
-	.mwdma_mask	= ATA_MWDMA2,
+	.mwdma_mask	= ATA_MWDMA12_ONLY,
 	.udma_mask	= ATA_UDMA5,
 	.port_ops	= &rdc_pata_ops,
 };