diff --git a/[refs] b/[refs]
index 7a82c33a5b3f..89d435e22391 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b5fbf53324f65646154e172af350674d5a2a1629
+refs/heads/master: c48f1670f42b71f39f4a3bfba01ffb691cc9206c
diff --git a/trunk/drivers/pci/bus.c b/trunk/drivers/pci/bus.c
index 52b54f053be0..118c77778d29 100644
--- a/trunk/drivers/pci/bus.c
+++ b/trunk/drivers/pci/bus.c
@@ -133,7 +133,7 @@ int pci_bus_add_child(struct pci_bus *bus)
  *
  * Call hotplug for each new devices.
  */
-void pci_bus_add_devices(struct pci_bus *bus)
+void pci_bus_add_devices(const struct pci_bus *bus)
 {
 	struct pci_dev *dev;
 	struct pci_bus *child;
diff --git a/trunk/include/linux/pci.h b/trunk/include/linux/pci.h
index b5d6d0e0f1cb..a1af2fe00639 100644
--- a/trunk/include/linux/pci.h
+++ b/trunk/include/linux/pci.h
@@ -528,7 +528,7 @@ void pcibios_update_irq(struct pci_dev *, int irq);
 /* Generic PCI functions used internally */
 
 extern struct pci_bus *pci_find_bus(int domain, int busnr);
-void pci_bus_add_devices(struct pci_bus *bus);
+void pci_bus_add_devices(const struct pci_bus *bus);
 struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
 				      struct pci_ops *ops, void *sysdata);
 static inline struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,