[PATCH v5 06/13] pwm: mediatek: update license and switch to SPDX tag

[Sam Shih <sam.shih@mediatek.com>]

Add SPDX identifiers to pwm-mediatek.c
Update license to GNU General Public License v2.0

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
---
Changes since v5:
- Follow reviewers's comments
The license stuff is a separate change

Change-Id: I8f1ff6daa76727ed203db8dc608509f1cd3b1144
---
 drivers/pwm/pwm-mediatek.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index 0938beb1a3cb..290536a92a80 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Mediatek Pulse Width Modulator driver
+ * MediaTek Pulse Width Modulator driver
  *
  * Copyright (C) 2015 John Crispin <blogic@openwrt.org>
  * Copyright (C) 2017 Zhi Mao <zhi.mao@mediatek.com>
  *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
  */
 
 #include <linux/err.h>
@@ -359,4 +357,4 @@ static struct platform_driver pwm_mediatek_driver = {
 module_platform_driver(pwm_mediatek_driver);
 
 MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
-- 
2.17.1