* [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis
@ 2008-08-29 14:03 Tejun Heo
2008-09-08 16:16 ` Jeff Garzik
0 siblings, 1 reply; 2+ messages in thread
From: Tejun Heo @ 2008-08-29 14:03 UTC (permalink / raw)
To: Jeff Garzik l, IDE/ATA development list, kueihuan.chen, Mark Lord
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 */
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis
2008-08-29 14:03 [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis Tejun Heo
@ 2008-09-08 16:16 ` Jeff Garzik
0 siblings, 0 replies; 2+ messages in thread
From: Jeff Garzik @ 2008-09-08 16:16 UTC (permalink / raw)
To: Tejun Heo; +Cc: IDE/ATA development list, kueihuan.chen, Mark Lord
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-08-29 14:03 [PATCH #upstream-fixes] ahci: disable PMP for marvell ahcis Tejun Heo
2008-09-08 16:16 ` Jeff Garzik
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