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authorDavid Vrabel <david.vrabel@csr.com>2008-12-08 16:18:47 +0000
committerDavid Vrabel <david.vrabel@csr.com>2008-12-08 16:18:47 +0000
commitc35fa3ea1ae8198bd65c2c6e59d9ebd68c115a59 (patch)
tree878768b69df25459b448aa890352342c4a3c6e2d /drivers/ide/amd74xx.c
parentdcc7461eef7341e84e2f7274f904ce01a43b2506 (diff)
parent218d11a8b071b23b76c484fd5f72a4fe3306801e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'drivers/ide/amd74xx.c')
-rw-r--r--drivers/ide/amd74xx.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c
index 81ec73134ed..c6bcd3014a2 100644
--- a/drivers/ide/amd74xx.c
+++ b/drivers/ide/amd74xx.c
@@ -3,7 +3,7 @@
* IDE driver for Linux.
*
* Copyright (c) 2000-2002 Vojtech Pavlik
- * Copyright (c) 2007 Bartlomiej Zolnierkiewicz
+ * Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz
*
* Based on the work of:
* Andre Hedrick
@@ -263,6 +263,15 @@ static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_
d.udma_mask = ATA_UDMA5;
}
+ /*
+ * It seems that on some nVidia controllers using AltStatus
+ * register can be unreliable so default to Status register
+ * if the device is in Compatibility Mode.
+ */
+ if (dev->vendor == PCI_VENDOR_ID_NVIDIA &&
+ ide_pci_is_in_compatibility_mode(dev))
+ d.host_flags |= IDE_HFLAG_BROKEN_ALTSTATUS;
+
printk(KERN_INFO "%s %s: UDMA%s controller\n",
d.name, pci_name(dev), amd_dma[fls(d.udma_mask) - 1]);