diff --git a/include/linux/pci.h b/include/linux/pci.h
index d2cae79..bdff18b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -498,6 +498,7 @@
 int pci_find_ext_capability (struct pci_dev *dev, int cap);
 int pci_find_ht_capability (struct pci_dev *dev, int ht_cap);
 int pci_find_next_ht_capability (struct pci_dev *dev, int pos, int ht_cap);
+void pcie_wait_pending_transaction(struct pci_dev *dev);
 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
 
 struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
@@ -759,6 +760,7 @@
 static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; }
 static inline int pci_find_next_capability (struct pci_dev *dev, u8 post, int cap) { return 0; }
 static inline int pci_find_ext_capability (struct pci_dev *dev, int cap) {return 0; }
+static inline void pcie_wait_pending_transaction(struct pci_dev *dev) {}
 
 /* Power management related routines */
 static inline int pci_save_state(struct pci_dev *dev) { return 0; }