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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2007-07-26 18:38:06 +0100 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-10-12 14:55:34 -0400 |
| commit | 7d73a363dea186a864f6295bbe842da8044d42cd (patch) | |
| tree | 42f98fd78c48a174780daf800c91e2dadc00628c /drivers/ata/pata_via.c | |
| parent | e708eb9bc0515f36d77477877e74b6b9056b5879 (diff) | |
| download | linux-7d73a363dea186a864f6295bbe842da8044d42cd.tar.gz linux-7d73a363dea186a864f6295bbe842da8044d42cd.tar.bz2 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>
Diffstat (limited to 'drivers/ata/pata_via.c')
| -rw-r--r-- | drivers/ata/pata_via.c | 3 |
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; } |