diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
index 2e65d7279d79..2f1027c5b647 100644
--- a/drivers/devfreq/rk3399_dmc.c
+++ b/drivers/devfreq/rk3399_dmc.c
@@ -372,6 +372,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev)
 	node = of_parse_phandle(np, "rockchip,pmu", 0);
 	if (node) {
 		data->regmap_pmu = syscon_node_to_regmap(node);
+		of_node_put(node);
 		if (IS_ERR(data->regmap_pmu))
 			return PTR_ERR(data->regmap_pmu);
 	}