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Commit 1b549dcb authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
Browse files

ahci: Gigabyte GA-MA69VM-S2 can't do 64bit DMA 



Gigabyte GA-MA69VM-S2 can't do 64bit DMA either.  It's yet unknown
whether recent BIOS fixes the problem.  Blacklist regardless of BIOS
revisions for now.

Sandor Bodo-Merle reported and provided the initial patch for this
issue.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Reported-by: default avatarSandor Bodo-Merle <sbodomerle@gmail.com>
Cc: Shane Huang <shane.huang@amd.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 03d783bf

drivers/ata/ahci.c

+16 −0
Original line number Diff line number Diff line
@@ -2668,6 +2668,22 @@ static bool ahci_sb600_32bit_only(struct pci_dev *pdev) 
			},

			.driver_data = "20071026",	/* yyyymmdd */

		},

		/*

		 * It's yet unknown whether more recent BIOS fixes the

		 * problem.  Blacklist the whole board for the time

		 * being.  Please read the following thread for more

		 * info.

		 *

		 * http://thread.gmane.org/gmane.linux.ide/42326

		 */

		{

			.ident = "Gigabyte GA-MA69VM-S2",

			.matches = {

				DMI_MATCH(DMI_BOARD_VENDOR,

					  "Gigabyte Technology Co., Ltd."),

				DMI_MATCH(DMI_BOARD_NAME, "GA-MA69VM-S2"),

			},

		},

		{ }

	};

	const struct dmi_system_id *match;