Testing this on the VIA boards fixes several problems with otherwise
undetectable SATA bridge chips
Signed-off-by: Alan Cox <[EMAIL PROTECTED]>
diff -u --new-file --recursive --exclude-from /usr/src/exclude
linux.vanilla-2.6.23rc1-mm1/drivers/ata/pata_via.c
linux-2.6.23rc1-mm1/drivers/ata/pata_via.c
--- linux.vanilla-2.6.23rc1-mm1/drivers/ata/pata_via.c 2007-07-26
15:01:52.974743568 +0100
+++ linux-2.6.23rc1-mm1/drivers/ata/pata_via.c 2007-07-26 15:22:30.211654968
+0100
@@ -180,6 +180,9 @@
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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