From 7585eb1b7cf4bbace37ce18500809140c8eeccc3 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Thu, 7 Feb 2008 10:18:53 +0900
Subject: [PATCH] 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>
---
drivers/ata/pata_via.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 39627ab684bf9..d119a68c388fe 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;
--
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