Commit 7d73a363 authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik

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: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent e708eb9b
...@@ -184,6 +184,9 @@ static int via_cable_detect(struct ata_port *ap) { ...@@ -184,6 +184,9 @@ static int via_cable_detect(struct ata_port *ap) {
two drives */ two drives */
if (ata66 & (0x10100000 >> (16 * ap->port_no))) if (ata66 & (0x10100000 >> (16 * ap->port_no)))
return ATA_CBL_PATA80; 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; return ATA_CBL_PATA40;
} }
......
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