1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 704608945780..334285a8e237 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -27,7 +27,7 @@
 #include <linux/slab.h>
 
 
-static void pbus_assign_resources_sorted(struct pci_bus *bus)
+static void pbus_assign_resources_sorted(const struct pci_bus *bus)
 {
         struct pci_dev *dev;
         struct resource *res;
@@ -144,6 +144,9 @@ static void pci_setup_bridge(struct pci_bus *bus)
         struct pci_bus_region region;
         u32 l, bu, lu, io_upper16;
 
+        if (!pci_is_root_bus(bus) && bus->is_added)
+                return;
+
         dev_info(&bridge->dev, "PCI bridge, secondary bus %04x:%02x\n",
                  pci_domain_nr(bus), bus->number);
 
@@ -495,7 +498,7 @@ void __ref pci_bus_size_bridges(struct pci_bus *bus)
 }
 EXPORT_SYMBOL(pci_bus_size_bridges);
 
-void __ref pci_bus_assign_resources(struct pci_bus *bus)
+void __ref pci_bus_assign_resources(const struct pci_bus *bus)
 {
         struct pci_bus *b;
         struct pci_dev *dev;