diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a6ec200..dcf640a 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -156,6 +156,7 @@
 
 }
 extern struct device_attribute pci_dev_attrs[];
+extern struct device_attribute pcibus_dev_attrs[];
 extern struct device_attribute dev_attr_cpuaffinity;
 extern struct device_attribute dev_attr_cpulistaffinity;
 #ifdef CONFIG_HOTPLUG