1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 28ce3a7ee434..35086e80faa9 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -55,9 +55,10 @@ 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)
+                    class == PCI_CLASS_BRIDGE_HOST ||
+                    class == PCI_CLASS_SYSTEM_PIC)
                         continue;
 
                 pdev_sort_resources(dev, &head);