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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-07-09 23:17:58 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-07-09 23:17:58 +0200
commitf2befd9e80b39a5aa54d65cf59b6a5feb9a8117e (patch)
tree66eca0f1bd8ea98b7a4724824db432ddda965fcc /drivers
parent95ba8c17bc57bf4666e9de2be715b69d9a1ba211 (diff)
sis5513: backport short cables support from pata_sis.c
Backport short cables support from pata_sis.c. This patch allows UDMA > 2 modes on ASUS A6K. Thanks to testing this patch goes out to Jiri Stavinoha. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/pci/sis5513.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 4457c9d379f..f875183ac8d 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/sis5513.c Version 0.20 Mar 4, 2007
+ * linux/drivers/ide/pci/sis5513.c Version 0.25 Jun 10, 2007
*
* Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
* Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer
@@ -796,10 +796,33 @@ static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const c
return 0;
}
+struct sis_laptop {
+ u16 device;
+ u16 subvendor;
+ u16 subdevice;
+};
+
+static const struct sis_laptop sis_laptop[] = {
+ /* devid, subvendor, subdev */
+ { 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */
+ /* end marker */
+ { 0, }
+};
+
static u8 __devinit ata66_sis5513(ide_hwif_t *hwif)
{
+ struct pci_dev *pdev = hwif->pci_dev;
+ const struct sis_laptop *lap = &sis_laptop[0];
u8 ata66 = 0;
+ while (lap->device) {
+ if (lap->device == pdev->device &&
+ lap->subvendor == pdev->subsystem_vendor &&
+ lap->subdevice == pdev->subsystem_device)
+ return ATA_CBL_PATA40_SHORT;
+ lap++;
+ }
+
if (chipset_family >= ATA_133) {
u16 regw = 0;
u16 reg_addr = hwif->channel ? 0x52: 0x50;