From 1b549dcbf607e88f3016bc149109472a46fe7bbb Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 16 Aug 2009 21:06:57 +0900 Subject: [PATCH] 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 Reported-by: Sandor Bodo-Merle Cc: Shane Huang Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) 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; -- 2.7.4