[PATCH] x86-64: pci quirks MODPOST warning fix

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

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 8f0322d..0a70943 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -955,7 +955,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho
  * becomes necessary to do this tweak in two steps -- I've chosen the Host
  * bridge as trigger.
  */
-static int __initdata asus_hides_smbus;
+static int asus_hides_smbus;
 
 static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
 {
@@ -1117,10 +1117,11 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ICH6_1,     asus_h
 static void quirk_sis_96x_smbus(struct pci_dev *dev)
 {
        u8 val = 0;
-       printk(KERN_INFO "Enabling SiS 96x SMBus.\n");
-       pci_read_config_byte(dev, 0x77, &val);
-       pci_write_config_byte(dev, 0x77, val & ~0x10);
        pci_read_config_byte(dev, 0x77, &val);
+       if (val & 0x10) {
+               printk(KERN_INFO "Enabling SiS 96x SMBus.\n");
+               pci_write_config_byte(dev, 0x77, val & ~0x10);
+       }
 }
 
 /*
@@ -1152,11 +1153,12 @@ static void quirk_sis_503(struct pci_dev *dev)
        printk(KERN_WARNING "Uncovering SIS%x that hid as a SIS503 (compatible=%d)\n", devid, sis_96x_compatible);
 
        /*
-        * Ok, it now shows up as a 96x.. The 96x quirks are after
-        * the 503 quirk in the quirk table, so they'll automatically
-        * run and enable things like the SMBus device
+        * Ok, it now shows up as a 96x.. run the 96x quirk by
+        * hand in case it has already been processed.
+        * (depends on link order, which is apparently not guaranteed)
         */
        dev->device = devid;
+       quirk_sis_96x_smbus(dev);
 }
 
 static void __init quirk_sis_96x_compatible(struct pci_dev *dev)