PCI: remove pcibios_fixup_ghosts()

[linux-2.6-omap-h63xx.git] / arch / x86 / pci / common.c

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index c9ff4ff667395123fae8bddbc9281b2e3bb6453c..900e1a78c3e456393dc37e106261bddf1147fa32 100644 (file)
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -77,59 +77,6 @@ int pcibios_scanned;
  */
 DEFINE_SPINLOCK(pci_config_lock);
 
-/*
- * Several buggy motherboards address only 16 devices and mirror
- * them to next 16 IDs. We try to detect this `feature' on all
- * primary buses (those containing host bridges as they are
- * expected to be unique) and remove the ghost devices.
- */
-
-static void __devinit pcibios_fixup_ghosts(struct pci_bus *b)
-{
-       struct list_head *ln, *mn;
-       struct pci_dev *d, *e;
-       int mirror = PCI_DEVFN(16,0);
-       int seen_host_bridge = 0;
-       int i;
-
-       DBG("PCI: Scanning for ghost devices on bus %d\n", b->number);
-       list_for_each(ln, &b->devices) {
-               d = pci_dev_b(ln);
-               if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST)
-                       seen_host_bridge++;
-               for (mn=ln->next; mn != &b->devices; mn=mn->next) {
-                       e = pci_dev_b(mn);
-                       if (e->devfn != d->devfn + mirror ||
-                           e->vendor != d->vendor ||
-                           e->device != d->device ||
-                           e->class != d->class)
-                               continue;
-                       for(i=0; i<PCI_NUM_RESOURCES; i++)
-                               if (e->resource[i].start != d->resource[i].start ||
-                                   e->resource[i].end != d->resource[i].end ||
-                                   e->resource[i].flags != d->resource[i].flags)
-                                       continue;
-                       break;
-               }
-               if (mn == &b->devices)
-                       return;
-       }
-       if (!seen_host_bridge)
-               return;
-       printk(KERN_WARNING "PCI: Ignoring ghost devices on bus %02x\n", b->number);
-
-       ln = &b->devices;
-       while (ln->next != &b->devices) {
-               d = pci_dev_b(ln->next);
-               if (d->devfn >= mirror) {
-                       list_del(&d->global_list);
-                       list_del(&d->bus_list);
-                       kfree(d);
-               } else
-                       ln = ln->next;
-       }
-}
-
 static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
 {
        struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
@@ -152,7 +99,6 @@ void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 {
        struct pci_dev *dev;
 
-       pcibios_fixup_ghosts(b);
        pci_read_bridge_bases(b);
        list_for_each_entry(dev, &b->devices, bus_list)
                pcibios_fixup_device_resources(dev);