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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: 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>
This commit is contained in:
Tejun Heo 2009-08-16 21:06:57 +09:00 committed by Jeff Garzik
parent 03d783bf55
commit 1b549dcbf6
1 changed files with 16 additions and 0 deletions
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16
drivers/ata/ahci.c
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@ -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;