ahci: Gigabyte GA-MA69VM-S2 can't do 64bit DMA (1b549dcb) · Commits · 戴 / test

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:

Tejun Heo <tj@kernel.org> Reported-by:

Sandor Bodo-Merle <sbodomerle@gmail.com> Cc: Shane Huang <shane.huang@amd.com> Signed-off-by:

Jeff Garzik <jgarzik@redhat.com>

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;

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