diff --git a/arch/arm/mach-rockchip/rk3368/Makefile b/arch/arm/mach-rockchip/rk3368/Makefile
index 46798c2..3bddc10 100644
--- a/arch/arm/mach-rockchip/rk3368/Makefile
+++ b/arch/arm/mach-rockchip/rk3368/Makefile
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (c) 2016 Andreas Färber
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 obj-y		+= clk_rk3368.o
 obj-y		+= rk3368.o
 obj-y 		+= syscon_rk3368.o
diff --git a/arch/arm/mach-rockchip/rk3368/clk_rk3368.c b/arch/arm/mach-rockchip/rk3368/clk_rk3368.c
index 2f98165..722160d 100644
--- a/arch/arm/mach-rockchip/rk3368/clk_rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/clk_rk3368.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2017 Rockchip Electronics Co., Ltd
  * Author: Andy Yan <andy.yan@rock-chips.org>
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c b/arch/arm/mach-rockchip/rk3368/rk3368.c
index f62d91d..6d5d4cc 100644
--- a/arch/arm/mach-rockchip/rk3368/rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/rk3368.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2016 Rockchip Electronics Co., Ltd
  * Copyright (c) 2016 Andreas Färber
- *
- * SPDX-License-Identifier:     GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c b/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c
index 99d51f0..c08ce43 100644
--- a/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2017 Rockchip Electronics Co., Ltd
  * Author: Andy Yan <andy.yan@rock-chips.com>
  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/arm/mach-rockchip/rk3368/u-boot-tpl.lds b/arch/arm/mach-rockchip/rk3368/u-boot-tpl.lds
index cc59844..7ba35b6 100644
--- a/arch/arm/mach-rockchip/rk3368/u-boot-tpl.lds
+++ b/arch/arm/mach-rockchip/rk3368/u-boot-tpl.lds
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #undef CONFIG_SPL_TEXT_BASE