diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 0416ad3..418b4fe 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -111,7 +111,7 @@ static struct parisc_driver serial_driver = {
 	.probe		= serial_init_chip,
 };
 
-int __init probe_serial_gsc(void)
+static int __init probe_serial_gsc(void)
 {
 	register_parisc_driver(&lasi_driver);
 	register_parisc_driver(&serial_driver);