Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d73a363dea186a864f6295bbe842da8044d42cd
Commit:     7d73a363dea186a864f6295bbe842da8044d42cd
Parent:     e708eb9bc0515f36d77477877e74b6b9056b5879
Author:     Alan Cox <[EMAIL PROTECTED]>
AuthorDate: Thu Jul 26 18:38:06 2007 +0100
Committer:  Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:55:34 2007 -0400

    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 <[EMAIL PROTECTED]>
    Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
 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 4ddcae8..f11b87e 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;
 }
 
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