diff --git a/arch/arm/boot/dts/imx6sll-pinfunc.h b/arch/arm/boot/dts/imx6sll-pinfunc.h
index b1c40dcdb42f..713a346f4c89 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.