diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index e75103b..5fbea6a 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -165,9 +165,9 @@
 	.resume		= mdio_bus_resume,
 };
 
-static int __init mdio_bus_init(void)
+int __init mdio_bus_init(void)
 {
 	return bus_register(&mdio_bus_type);
 }
 
-subsys_initcall(mdio_bus_init);
+