From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Testing this on the VIA boards fixes several problems with otherwise undetectable SATA bridge chips Signed-off-by: Alan Cox <alan@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/ata/pata_via.c | 3 +++ 1 files changed, 3 insertions(+) diff -puN drivers/ata/pata_via.c~libata-acpi-checks-for-80wire-cable-use-in-pata_via drivers/ata/pata_via.c --- a/drivers/ata/pata_via.c~libata-acpi-checks-for-80wire-cable-use-in-pata_via +++ a/drivers/ata/pata_via.c @@ -180,6 +180,9 @@ static int via_cable_detect(struct ata_p 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; } _ - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
