[PATCH 41/64] via82cxxx: fix SATA cable detection
From: Bartlomiej Zolnierkiewicz
Date: Mon Jan 18 2010 - 12:21:21 EST
From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Subject: [PATCH] via82cxxx: fix SATA cable detection
Add VIA_SATA_PATA flag for cx700, vx800 and vx855 chipsets
(the first port is SATA).
Based on commits 7585eb1, bfce5e0 and e4d866c for pata_via
host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/via82cxxx.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
Index: b/drivers/ide/via82cxxx.c
===================================================================
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -54,6 +54,7 @@
#define VIA_NO_UNMASK 0x08 /* Doesn't work with IRQ unmasking on */
#define VIA_BAD_ID 0x10 /* Has wrong vendor ID (0x1107) */
#define VIA_BAD_AST 0x20 /* Don't touch Address Setup Timing */
+#define VIA_SATA_PATA 0x80 /* SATA/PATA combined configuration */
enum {
VIA_IDFLAG_SINGLE = (1 << 1), /* single channel controller */
@@ -71,9 +72,9 @@ static struct via_isa_bridge {
u8 udma_mask;
u8 flags;
} via_isa_bridges[] = {
- { "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
- { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
- { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
+ { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
+ { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
@@ -366,6 +367,9 @@ static u8 via82cxxx_cable_detect(ide_hwi
if (via_cable_override(pdev))
return ATA_CBL_PATA40_SHORT;
+ if ((vdev->via_config->flags & VIA_SATA_PATA) && hwif->channel == 0)
+ return ATA_CBL_SATA;
+
if ((vdev->via_80w >> hwif->channel) & 1)
return ATA_CBL_PATA80;
else
--
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