Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[pandora-kernel.git] / drivers / pci / setup-bus.c

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 28ce3a7..8f7bcf5 100644 (file)
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -55,11 +55,19 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
        list_for_each_entry(dev, &bus->devices, bus_list) {
                u16 class = dev->class >> 8;
 
-               /* Don't touch classless devices and host bridges.  */
+               /* Don't touch classless devices or host bridges or ioapics.  */
                if (class == PCI_CLASS_NOT_DEFINED ||
                    class == PCI_CLASS_BRIDGE_HOST)
                        continue;
 
+               /* Don't touch ioapic devices already enabled by firmware */
+               if (class == PCI_CLASS_SYSTEM_PIC) {
+                       u16 command;
+                       pci_read_config_word(dev, PCI_COMMAND, &command);
+                       if (command & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY))
+                               continue;
+               }
+
                pdev_sort_resources(dev, &head);
        }
 
@@ -356,8 +364,10 @@ pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long type)
                        order = __ffs(align) - 20;
                        if (order > 11) {
                                printk(KERN_WARNING "PCI: region %s/%d "
-                                      "too large: %lx-%lx\n",
-                                      pci_name(dev), i, r->start, r->end);
+                                      "too large: %llx-%llx\n",
+                                       pci_name(dev), i,
+                                       (unsigned long long)r->start,
+                                       (unsigned long long)r->end);
                                r->flags = 0;
                                continue;
                        }