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authorTejun Heo <htejun@gmail.com>2009-08-16 21:06:57 +0900
committerJeff Garzik <jgarzik@redhat.com>2009-09-08 21:17:59 -0400
commit1b549dcbf607e88f3016bc149109472a46fe7bbb (patch)
tree0b9f59f4cbeddbd7c065e594c307b15d59320a1d /drivers/ata
parent03d783bf5573ff316a8c703eed811a9a97901a8b (diff)
downloadop-kernel-dev-1b549dcbf607e88f3016bc149109472a46fe7bbb.zip
op-kernel-dev-1b549dcbf607e88f3016bc149109472a46fe7bbb.tar.gz
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>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index aa03b49a..a4e4cf1 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -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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