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-rw-r--r--tools/gpio/gpio-hammer.c5
1 files changed, 1 insertions, 4 deletions
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>
*/