diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c
index 04882a911b6577f6cd3f5b333d1a91312e55ae51..7e359b7cce1b2190ecd7553a6a312d14fa9f32ff 100644
--- a/drivers/gpio/gpio-stp-xway.c
+++ b/drivers/gpio/gpio-stp-xway.c
@@ -292,7 +292,7 @@ static struct platform_driver xway_stp_driver = {
 	},
 };
 
-int __init xway_stp_init(void)
+static int __init xway_stp_init(void)
 {
 	return platform_driver_register(&xway_stp_driver);
 }