diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 0872f12f268d..594e60d6a43b 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -115,7 +115,6 @@ static void pcibios_scanbus(struct pci_controller *hose)
 			pci_bus_assign_resources(bus);
 			pci_enable_bridges(bus);
 		}
-		bus->dev.of_node = hose->of_node;
 	}
 }
 
@@ -169,6 +168,13 @@ void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node)
 		}
 	}
 }
+
+struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus)
+{
+	struct pci_controller *hose = bus->sysdata;
+
+	return of_node_get(hose->of_node);
+}
 #endif
 
 static DEFINE_MUTEX(pci_scan_mutex);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 849a336e149c..bcd976976c3e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1838,7 +1838,7 @@ extern void pci_set_bus_of_node(struct pci_bus *bus);
 extern void pci_release_bus_of_node(struct pci_bus *bus);
 
 /* Arch may override this (weak) */
-extern struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus);
+extern struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
 
 static inline struct device_node *
 pci_device_to_OF_node(const struct pci_dev *pdev)