Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq

[pandora-kernel.git] / arch / alpha / kernel / pci.c

diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 36ab22a..5cf45fc 100644 (file)
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -71,6 +71,23 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82378, quirk_i
 static void __init
 quirk_cypress(struct pci_dev *dev)
 {
+       /* The Notorious Cy82C693 chip.  */
+
+       /* The generic legacy mode IDE fixup in drivers/pci/probe.c
+          doesn't work correctly with the Cypress IDE controller as
+          it has non-standard register layout.  Fix that.  */
+       if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE) {
+               dev->resource[2].start = dev->resource[3].start = 0;
+               dev->resource[2].end = dev->resource[3].end = 0;
+               dev->resource[2].flags = dev->resource[3].flags = 0;
+               if (PCI_FUNC(dev->devfn) == 2) {
+                       dev->resource[0].start = 0x170;
+                       dev->resource[0].end = 0x177;
+                       dev->resource[1].start = 0x376;
+                       dev->resource[1].end = 0x376;
+               }
+       }
+
        /* The Cypress bridge responds on the PCI bus in the address range
           0xffff0000-0xffffffff (conventional x86 BIOS ROM).  There is no
           way to turn this off.  The bridge also supports several extended