diff --git a/arch/arm/boot/dts/imx6sll-pinfunc.h b/arch/arm/boot/dts/imx6sll-pinfunc.h
index b1c40dcdb42f04637757309d8ce5e44fc82f3da2..713a346f4c891d39471544f1348b397fa0a8fa28 100644
--- a/arch/arm/boot/dts/imx6sll-pinfunc.h
+++ b/arch/arm/boot/dts/imx6sll-pinfunc.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP.