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-rw-r--r--tools/gpio/gpio-event-mon.c5
-rw-r--r--tools/gpio/gpio-hammer.c5
-rw-r--r--tools/gpio/gpio-utils.c5
-rw-r--r--tools/gpio/gpio-utils.h4
-rw-r--r--tools/gpio/lsgpio.c5
5 files changed, 5 insertions, 19 deletions
diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c
index c864544efe05..30ed0e06f52a 100644
--- a/tools/gpio/gpio-event-mon.c
+++ b/tools/gpio/gpio-event-mon.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* gpio-event-mon - monitor GPIO line events from userspace
*
* Copyright (C) 2016 Linus Walleij
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
* Usage:
* gpio-event-mon -n <device-name> -o <offset>
*/
diff --git a/tools/gpio/gpio-hammer.c b/tools/gpio/gpio-hammer.c
index 4bcb234c0fca..0e0060a6eb34 100644
--- a/tools/gpio/gpio-hammer.c
+++ b/tools/gpio/gpio-hammer.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* gpio-hammer - example swiss army knife to shake GPIO lines on a system
*
* Copyright (C) 2016 Linus Walleij
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
* Usage:
* gpio-hammer -n <device-name> -o <offset1> -o <offset2>
*/
diff --git a/tools/gpio/gpio-utils.c b/tools/gpio/gpio-utils.c
index cf7e2f3419ee..53470de6a502 100644
--- a/tools/gpio/gpio-utils.c
+++ b/tools/gpio/gpio-utils.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* GPIO tools - helpers library for the GPIO tools
*
* Copyright (C) 2015 Linus Walleij
* Copyright (C) 2016 Bamvor Jian Zhang
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#include <unistd.h>
diff --git a/tools/gpio/gpio-utils.h b/tools/gpio/gpio-utils.h
index 344ea041f8d4..cf37f13f3dcb 100644
--- a/tools/gpio/gpio-utils.h
+++ b/tools/gpio/gpio-utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* GPIO tools - utility helpers library for the GPIO tools
*
@@ -7,9 +8,6 @@
* Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
* Copyright (c) 2008 Jonathan Cameron
* *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#ifndef _GPIO_UTILS_H_
#define _GPIO_UTILS_H_
diff --git a/tools/gpio/lsgpio.c b/tools/gpio/lsgpio.c
index eb3f56efd215..e1430f504c13 100644
--- a/tools/gpio/lsgpio.c
+++ b/tools/gpio/lsgpio.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* lsgpio - example on how to list the GPIO lines on a system
*
* Copyright (C) 2015 Linus Walleij
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
* Usage:
* lsgpio <-n device-name>
*/