diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 0fde69842dec..4803cac0090d 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -40,7 +40,7 @@
 #include "pinconf.h"
 #include "pinctrl-rockchip.h"
 
-/**
+/*
  * Generate a bitmask for setting a value (v) with a write mask bit in hiword
  * register 31:16 area.
  */