diff --git a/arch/arm/dts/exynos4210-pinctrl-uboot.dtsi b/arch/arm/dts/exynos4210-pinctrl-uboot.dtsi
index f9b61ba8e8fe525e57e4ca985afd9b540390d04d..0ff41d00287d2d23702f39bdf7a411831c0ceab6 100644
--- a/arch/arm/dts/exynos4210-pinctrl-uboot.dtsi
+++ b/arch/arm/dts/exynos4210-pinctrl-uboot.dtsi
@@ -2,6 +2,8 @@
  * U-Boot additions to enable a generic Exynos GPIO driver
  *
  * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /{
diff --git a/arch/arm/dts/exynos4x12-pinctrl-uboot.dtsi b/arch/arm/dts/exynos4x12-pinctrl-uboot.dtsi
index c41d07b65fc56abd07b890a369951713d94c5a33..8e5a6c61180a758adc33f1fccd32e8cc78de73b6 100644
--- a/arch/arm/dts/exynos4x12-pinctrl-uboot.dtsi
+++ b/arch/arm/dts/exynos4x12-pinctrl-uboot.dtsi
@@ -2,6 +2,8 @@
  * U-Boot additions to enable a generic Exynos GPIO driver
  *
  * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /{
diff --git a/arch/arm/dts/exynos5250-pinctrl-uboot.dtsi b/arch/arm/dts/exynos5250-pinctrl-uboot.dtsi
index 7edb0ca29003294750a1c9c9fa88b5150a8ff53b..068c5f696fed5e1e1e09a346efacbbcfaa50a04c 100644
--- a/arch/arm/dts/exynos5250-pinctrl-uboot.dtsi
+++ b/arch/arm/dts/exynos5250-pinctrl-uboot.dtsi
@@ -2,6 +2,8 @@
  * U-Boot additions to enable a generic Exynos GPIO driver
  *
  * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /{
diff --git a/arch/arm/dts/exynos54xx-pinctrl-uboot.dtsi b/arch/arm/dts/exynos54xx-pinctrl-uboot.dtsi
index 5a86211d4a01516c991e90ff4d7943a900d4c5c7..635a1b0d3a50157bc94e81e01712c6dd6f1e5ffe 100644
--- a/arch/arm/dts/exynos54xx-pinctrl-uboot.dtsi
+++ b/arch/arm/dts/exynos54xx-pinctrl-uboot.dtsi
@@ -2,6 +2,8 @@
  * U-Boot additions to enable a generic Exynos GPIO driver
  *
  * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /{
diff --git a/arch/arm/dts/s5pc100-pinctrl.dtsi b/arch/arm/dts/s5pc100-pinctrl.dtsi
index bd9f97c97ba8a12ad87f6b6cb3e0abfad93c0b94..975386969e16ec3c0342da39e3e289fcf9fc4872 100644
--- a/arch/arm/dts/s5pc100-pinctrl.dtsi
+++ b/arch/arm/dts/s5pc100-pinctrl.dtsi
@@ -2,6 +2,8 @@
  * U-Boot additions to enable a generic Exynos GPIO driver
  *
  * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 / {
diff --git a/arch/arm/dts/s5pc110-pinctrl.dtsi b/arch/arm/dts/s5pc110-pinctrl.dtsi
index d21b6ab756a91a9b8e9e26f43a750d76980d3969..2e9d552daaf5fe088b51e6aafc4f00d4a624e40c 100644
--- a/arch/arm/dts/s5pc110-pinctrl.dtsi
+++ b/arch/arm/dts/s5pc110-pinctrl.dtsi
@@ -2,6 +2,8 @@
  * U-Boot additions to enable a generic Exynos GPIO driver
  *
  * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 / {
diff --git a/arch/sandbox/include/asm/bitops.h b/arch/sandbox/include/asm/bitops.h
index e807c4ef34bda06b5f1d555bb248ea02fccf4390..f1a7aeee938f75e5e14dd1173f9453cae641a094 100644
--- a/arch/sandbox/include/asm/bitops.h
+++ b/arch/sandbox/include/asm/bitops.h
@@ -1,6 +1,8 @@
 /*
  * Copyright (c) 2011 The Chromium OS Authors.
  *
+ * Modified from Linux arch/arm/include/asm/bitops.h
+ *
  * Copyright 1995, Russell King.
  * Various bits and pieces copyrights include:
  *  Linus Torvalds (test_bit).