diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6094993..9c7aecf 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -315,8 +315,11 @@
 		pci_bus_add_devices(root_bus);
 	return root_bus;
 }
+struct pci_bus *pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata);
+struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
 int pci_scan_slot(struct pci_bus *bus, int devfn);
 struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn);
+void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
 unsigned int pci_scan_child_bus(struct pci_bus *bus);
 void pci_bus_add_device(struct pci_dev *dev);
 void pci_read_bridge_bases(struct pci_bus *child);