Commit 17248461 authored Aug 29, 2008 by Tejun Heo Committed by Jeff Garzik Sep 08, 2008

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>

parent 46c5784c

drivers/ata/ahci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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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