linux-kernel - [72/98] ata_piix: enable 32bit PIO on SATA piix

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Date:	Tue, 26 Jan 2010 15:34:38 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Tejun Heo <tj@...nel.org>, Jeff Garzik <jgarzik@...hat.com>
Subject: [72/98] ata_piix: enable 32bit PIO on SATA piix

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Tejun Heo <tj@...nel.org>

commit 0b67c7439fe2a5d76602de36854c88e2beab00b0 upstream.

Commit 871af1210f13966ab911ed2166e4ab2ce775b99d enabled 32bit PIO for
PATA piix but didn't for SATA.  There's no reason not to use 32bit PIO
on SATA piix.  Enable it.

Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Signed-off-by: Jeff Garzik <jgarzik@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/ata/ata_piix.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -329,7 +329,7 @@ static struct ata_port_operations ich_pa
 };
 
 static struct ata_port_operations piix_sata_ops = {
-	.inherits		= &ata_bmdma_port_ops,
+	.inherits		= &ata_bmdma32_port_ops,
 };
 
 static struct ata_port_operations piix_sidpr_sata_ops = {


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