diff --git a/arch/powerpc/platforms/44x/sam440ep.c b/arch/powerpc/platforms/44x/sam440ep.c
index 688ffeab0699..55fed5e4de14 100644
--- a/arch/powerpc/platforms/44x/sam440ep.c
+++ b/arch/powerpc/platforms/44x/sam440ep.c
@@ -70,7 +70,7 @@ static struct i2c_board_info sam440ep_rtc_info = {
 	.irq = -1,
 };
 
-static int sam440ep_setup_rtc(void)
+static int __init sam440ep_setup_rtc(void)
 {
 	return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
 }