PCI: quirk_vt82c586_acpi: Omit reading PCI revision ID

[powerpc.git] / drivers / pci / quirks.c

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 7dcaa09..3b0bb32 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -472,11 +472,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,      PCI_DEVICE_ID_INTEL_ICH8_3, quirk_
  */
 static void __devinit quirk_vt82c586_acpi(struct pci_dev *dev)
 {
-       u8 rev;
        u32 region;
 
-       pci_read_config_byte(dev, PCI_CLASS_REVISION, &rev);
-       if (rev & 0x10) {
+       if (dev->revision & 0x10) {
                pci_read_config_dword(dev, 0x48, &region);
                region &= PCI_BASE_ADDRESS_IO_MASK;
                quirk_io_region(dev, region, 256, PCI_BRIDGE_RESOURCES, "vt82c586 ACPI");
@@ -629,12 +627,9 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk
  */
 static void __init quirk_amd_8131_mmrbc(struct pci_dev *dev)
 {
-       unsigned char revid;
-
-       pci_read_config_byte(dev, PCI_REVISION_ID, &revid);
-       if (dev->subordinate && revid <= 0x12) {
+       if (dev->subordinate && dev->revision <= 0x12) {
                printk(KERN_INFO "AMD8131 rev %x detected, disabling PCI-X "
-                               "MMRBC\n", revid);
+                               "MMRBC\n", dev->revision);
                dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MMRBC;
        }
 }
@@ -1444,7 +1439,6 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID, quirk_netmos);
 static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
 {
        u16 command;
-       u32 bar;
        u8 __iomem *csr;
        u8 cmd_hi;
 
@@ -1476,12 +1470,12 @@ static void __devinit quirk_e100_interrupt(struct pci_dev *dev)
         * re-enable them when it's ready.
         */
        pci_read_config_word(dev, PCI_COMMAND, &command);
-       pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar);
 
-       if (!(command & PCI_COMMAND_MEMORY) || !bar)
+       if (!(command & PCI_COMMAND_MEMORY) || !pci_resource_start(dev, 0))
                return;
 
-       csr = ioremap(bar, 8);
+       /* Convert from PCI bus to resource space.  */
+       csr = ioremap(pci_resource_start(dev, 0), 8);
        if (!csr) {
                printk(KERN_WARNING "PCI: Can't map %s e100 registers\n",
                        pci_name(dev));