Re: [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis

[Jeff Garzik <jeff@garzik.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