rtc: convert core to SPDX identifier
Use SPDX-License-Identifier instead of a verbose license text. Also fix the
block comment alignment.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 98d9c87..28bd767 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* RTC subsystem, interface functions
*
@@ -5,11 +6,7 @@
* Author: Alessandro Zummo <a.zummo@towertech.it>
*
* based on arch/arm/common/rtctime.c
- *
- * 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 <linux/rtc.h>
#include <linux/sched.h>