[PATCH] pwm: Replace license and copyright boilerplate by SPDX identfiers

["Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>]

This adapts all files that were identifed by licensecheck
(https://salsa.debian.org/build-common-team/licensecheck.git) as
licensed under the GPL and that have a (IMHO) clear copyright statement.

The advantage is that these specifiers are machine-parseable which helps
license conformance, e.g. for packaging barebox in Debian.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/core.c    | 15 +++------------
 drivers/pwm/pwm-mxs.c | 12 ++----------
 drivers/pwm/pxa_pwm.c |  6 ++----
 3 files changed, 7 insertions(+), 26 deletions(-)

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 05dad93e5ce3..878f4d72bbf5 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-FileCopyrightText: 2011 Sascha Hauer <s.hauer@pengutronix.de>
+
 /*
  * Generic pwmlib implementation
- *
- * Copyright (C) 2011 Sascha Hauer <s.hauer@pengutronix.de>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2, or (at your option)
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
  */
 #include <common.h>
 #include <errno.h>
diff --git a/drivers/pwm/pwm-mxs.c b/drivers/pwm/pwm-mxs.c
index a06040ac3268..1e2db39def22 100644
--- a/drivers/pwm/pwm-mxs.c
+++ b/drivers/pwm/pwm-mxs.c
@@ -1,13 +1,5 @@
-/*
- * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2012 Freescale Semiconductor, Inc.
 
 #include <common.h>
 #include <init.h>
diff --git a/drivers/pwm/pxa_pwm.c b/drivers/pwm/pxa_pwm.c
index 78d1489d570f..dc8e41464b01 100644
--- a/drivers/pwm/pxa_pwm.c
+++ b/drivers/pwm/pxa_pwm.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
 /*
  * simple driver for PWM (Pulse Width Modulator) controller
  *
- * 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.
- *
  * 2008-02-13	initial version eric miao <eric.miao@marvell.com>
  * 2012         Robert Jarzmik <robert.jarzmik@free.fr>
  */
-- 
2.26.2


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