diff --git a/include/linux/pci.h b/include/linux/pci.h
index e5086e9..795e6a5 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1600,6 +1600,11 @@
 /* Arch may override this (weak) */
 extern struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus);
 
+static inline struct device_node *pci_device_to_OF_node(struct pci_dev *pdev)
+{
+	return pdev ? pdev->dev.of_node : NULL;
+}
+
 #else /* CONFIG_OF */
 static inline void pci_set_of_node(struct pci_dev *dev) { }
 static inline void pci_release_of_node(struct pci_dev *dev) { }