Index: uspace/lib/usbdev/include/usb/dev/hub.h
===================================================================
--- uspace/lib/usbdev/include/usb/dev/hub.h	(revision 67f55e7b2dfcb0148220fbd9ab6a82e92e67d3b6)
+++ uspace/lib/usbdev/include/usb/dev/hub.h	(revision f682f5a7a15b208afa1a1c5c291d774164968db9)
@@ -40,4 +40,5 @@
 #include <ddf/driver.h>
 #include <sys/types.h>
+#include <errno.h>
 #include <usb/hc.h>
 
@@ -59,9 +60,15 @@
 } usb_hub_attached_device_t;
 
-usb_address_t usb_hc_request_address(usb_hc_connection_t *, usb_address_t,
-    bool, usb_speed_t);
-int usb_hc_register_device(usb_hc_connection_t *,
+int usb_hub_register_device(usb_hc_connection_t *,
     const usb_hub_attached_device_t *);
-int usb_hc_unregister_device(usb_hc_connection_t *, usb_address_t);
+
+static inline int usb_hub_unregister_device(usb_hc_connection_t *conn,
+    const usb_hub_attached_device_t *attached_device)
+{
+	assert(conn);
+	if (attached_device == NULL)
+		return EBADMEM;
+	return usb_hc_release_address(conn, attached_device->address);
+}
 
 #endif