linux-kernel - [PATCH] pata_rdc: MWDMA0 is unsupported

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Message-Id: <200911271953.41860.bzolnier@gmail.com>
Date:	Fri, 27 Nov 2009 19:53:41 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] pata_rdc: MWDMA0 is unsupported

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

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/ata/pata_rdc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/drivers/ata/pata_rdc.c
===================================================================
--- a/drivers/ata/pata_rdc.c
+++ 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,
 };
--
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