* 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
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]);