diff --git a/include/usb.h b/include/usb.h
index 06170cd..9b74050 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -367,4 +367,12 @@
 	struct usb_hub_descriptor desc;
 };
 
+int usb_hub_probe(struct usb_device *dev, int ifnum);
+void usb_hub_reset(void);
+int hub_port_reset(struct usb_device *dev, int port,
+			  unsigned short *portstat);
+
+struct usb_device *usb_alloc_new_device(void);
+int usb_new_device(struct usb_device *dev);
+
 #endif /*_USB_H_ */