diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 1c4396c2962d0de28ce661921655bd76d2c49820..2b4f96541b8e6a10f25a717c8909a742a0576515 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1730,3 +1730,4 @@ static void __exit sunsu_exit(void)
 
 module_init(sunsu_probe);
 module_exit(sunsu_exit);
+MODULE_LICENSE("GPL");