pata_via: fix SATA cable detection on cx700

The first port of cx700 is SATA.  Fix cable detection.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 39627ab684bf..d119a68c388f 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -84,6 +84,7 @@ enum {
         VIA_BAD_ID      = 0x100, /* Has wrong vendor ID (0x1107) */
         VIA_BAD_AST     = 0x200, /* Don't touch Address Setup Timing */
         VIA_NO_ENABLES  = 0x400, /* Has no enablebits */
+        VIA_SATA_PATA   = 0x800, /* SATA/PATA combined configuration */
 };
 
 /*
@@ -100,7 +101,7 @@ static const struct via_isa_bridge {
         { "vx800",      PCI_DEVICE_ID_VIA_VX800,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8237s",    PCI_DEVICE_ID_VIA_8237S,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8251",     PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
-        { "cx700",      PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+        { "cx700",      PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA },
         { "vt6410",     PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_NO_ENABLES},
         { "vt8237a",    PCI_DEVICE_ID_VIA_8237A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8237",     PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
@@ -172,6 +173,9 @@ static int via_cable_detect(struct ata_port *ap) {
         if (via_cable_override(pdev))
                 return ATA_CBL_PATA40_SHORT;
 
+        if ((config->flags & VIA_SATA_PATA) && ap->port_no == 0)
+                return ATA_CBL_SATA;
+
         /* Early chips are 40 wire */
         if ((config->flags & VIA_UDMA) < VIA_UDMA_66)
                 return ATA_CBL_PATA40;