diff --git a/include/zephyr/drivers/mdio.h b/include/zephyr/drivers/mdio.h
index 687064acae..fe165bcb99 100644
--- a/include/zephyr/drivers/mdio.h
+++ b/include/zephyr/drivers/mdio.h
@@ -73,7 +73,9 @@ static inline void z_impl_mdio_bus_enable(const struct device *dev)
 	const struct mdio_driver_api *api =
 		(const struct mdio_driver_api *)dev->api;
 
-	api->bus_enable(dev);
+	if (api->bus_enable != NULL) {
+		api->bus_enable(dev);
+	}
 }
 
 /**
@@ -89,7 +91,9 @@ static inline void z_impl_mdio_bus_disable(const struct device *dev)
 	const struct mdio_driver_api *api =
 		(const struct mdio_driver_api *)dev->api;
 
-	api->bus_disable(dev);
+	if (api->bus_disable != NULL) {
+		api->bus_disable(dev);
+	}
 }
 
 /**