From 7d73a363dea186a864f6295bbe842da8044d42cd Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Thu, 26 Jul 2007 18:38:06 +0100 Subject: [PATCH] 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 Signed-off-by: Jeff Garzik --- drivers/ata/pata_via.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 4ddcae8b8c..f11b87e18a 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; } -- 2.39.5