From: Tejun Heo <tj@kernel.org>
To: Jeff Garzik l <jeff@garzik.org>,
IDE/ATA development list <linux-ide@vger.kernel.org>,
kueihuan.chen@gmail.com, Mark Lord <liml@rtr.ca>
Subject: [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis
Date: Fri, 29 Aug 2008 16:03:59 +0200 [thread overview]
Message-ID: <48B801CF.6010703@kernel.org> (raw)
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>
---
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 dc7596f..2806366 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 */
next reply other threads:[~2008-08-29 14:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-29 14:03 Tejun Heo [this message]
2008-09-08 16:16 ` [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis Jeff Garzik
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