diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index aaf7ff8..586ac9b 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -73,6 +73,7 @@
 extern void pci_pm_init(struct pci_dev *dev);
 extern void platform_pci_wakeup_init(struct pci_dev *dev);
 extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
+void pci_free_cap_save_buffers(struct pci_dev *dev);
 
 static inline void pci_wakeup_event(struct pci_dev *dev)
 {