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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2007-07-26 19:38:06 +0200
committerJeff Garzik <jeff@garzik.org>2007-10-12 20:55:34 +0200
commit7d73a363dea186a864f6295bbe842da8044d42cd (patch)
tree42f98fd78c48a174780daf800c91e2dadc00628c
parentlibata pata_amd: ACPI checks for 80wire cable (diff)
downloadlinux-7d73a363dea186a864f6295bbe842da8044d42cd.tar.xz
linux-7d73a363dea186a864f6295bbe842da8044d42cd.zip
libata pata_via: ACPI checks for 80wire cable
Testing this on the VIA boards fixes several problems with otherwise undetectable SATA bridge chips Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/ata/pata_via.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 4ddcae8b8c96..f11b87e18aae 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -184,6 +184,9 @@ static int via_cable_detect(struct ata_port *ap) {
two drives */
if (ata66 & (0x10100000 >> (16 * ap->port_no)))
return ATA_CBL_PATA80;
+ /* Check with ACPI so we can spot BIOS reported SATA bridges */
+ if (ata_acpi_cbl_80wire(ap))
+ return ATA_CBL_PATA80;
return ATA_CBL_PATA40;
}