diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index dc43a63b3469..c2bc85826358 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -1277,7 +1277,7 @@ static struct macio_driver swim3_driver =
 };
 
 
-int swim3_init(void)
+static int swim3_init(void)
 {
 	macio_register_driver(&swim3_driver);
 	return 0;