From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <tj@kernel.org>
Cc: IDE/ATA development list <linux-ide@vger.kernel.org>,
kueihuan.chen@gmail.com, Mark Lord <liml@rtr.ca>
Subject: Re: [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis
Date: Mon, 08 Sep 2008 12:16:36 -0400 [thread overview]
Message-ID: <48C54FE4.6010903@garzik.org> (raw)
In-Reply-To: <48B801CF.6010703@kernel.org>
Tejun Heo wrote:
> 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,
applied
prev parent reply other threads:[~2008-09-08 16:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-29 14:03 [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis Tejun Heo
2008-09-08 16:16 ` Jeff Garzik [this message]
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