From: Mark Nelson Date: Thu, 28 Jun 2012 02:32:14 +0000 (+1000) Subject: ahci: Enable SB600 64bit DMA on MSI K9AGM2 (MS-7327) v2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ff0173c1a3ce003e361a8045ded905c285c3f08f;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git ahci: Enable SB600 64bit DMA on MSI K9AGM2 (MS-7327) v2 Like e65cc194f7628ecaa02462f22f42fb09b50dcd49 (ahci: Enable SB600 64bit DMA on MSI K9A2 Platinum) and 3c4aa91f21f65b7b40bdfb015eacbcb8453ccae2 (ahci: Enable SB600 64bit DMA on Asus M3A), this patch enables 64bit DMA for the AHCI SATA controller of another board that has the SB600 southbridge. In this case though we're enabling 64bit DMA for another MSI motherboard, the K9AGM2 or MS-7327. It is new enough that all of the BIOS releases since the initial release (1.0 from 2007-02-09) work correctly with 64bit DMA enabled. Signed-off-by: Mark Nelson Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index ebaf67e4b2bc..20da1bcfebb9 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -776,6 +776,22 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) DMI_MATCH(DMI_BOARD_NAME, "MS-7376"), }, }, + /* + * All BIOS versions for the MSI K9AGM2 (MS-7327) support + * 64bit DMA. + * + * This board also had the typo mentioned above in the + * Manufacturer DMI field (fixed in BIOS version 1.5), so + * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again. + */ + { + .ident = "MSI K9AGM2", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "MICRO-STAR INTER"), + DMI_MATCH(DMI_BOARD_NAME, "MS-7327"), + }, + }, /* * All BIOS versions for the Asus M3A support 64bit DMA. * (all release versions from 0301 to 1206 were tested)