diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 8d1e654..94b777d 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1395,7 +1395,7 @@
  * second  and later try will clear small leaf bridge res
  * will stop till to the max  deepth if can not find good one
  */
-static void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
+void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)
 {
 	LIST_HEAD(realloc_head); /* list of resources that
 					want additional resources */