From 17248461cb66103b87ff03bdee34aa61035cc93e Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Fri, 29 Aug 2008 16:03:59 +0200
Subject: ahci: disable PMP for marvell ahcis

Marvell ahcis don't play nicely with PMPs.  Disable it.

Reported by KueiHuan Chen in the following thread.

  http://thread.gmane.org/gmane.linux.ide/33296

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: KueiHuan Chen <kueihuan.chen@gmail.com>
Cc: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/ahci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index bce26ee3806..66aa146bf4d 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -420,7 +420,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	/* board_ahci_mv */
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
-				 AHCI_HFLAG_MV_PATA),
+				 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
 		.flags		= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
 				  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
 		.pio_mask	= 0x1f, /* pio0-4 */
-- 
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