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

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Message-Id: <200911271953.35241.bzolnier@gmail.com>
Date:	Fri, 27 Nov 2009 19:53:35 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] pata_oldpiix: 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_oldpiix.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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