8 files changed, 9 insertions, 45 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 9d2c6e614b..e9374d0f2a 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # RTC class/drivers configuration
 #
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 1308beff38..c831198872 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for RTC class/drivers.
 #
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 5b58271c07..12751c8a3c 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -1,18 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * RTC barebox subsystem, base class
  *
  * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
- *
- * 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 of
- * the License, 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 <linux/err.h>
diff --git a/drivers/rtc/rtc-abracon.c b/drivers/rtc/rtc-abracon.c
index 571909bf71..7daeb9b9cb 100644
--- a/drivers/rtc/rtc-abracon.c
+++ b/drivers/rtc/rtc-abracon.c
@@ -1,13 +1,4 @@
-/*
- * 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; version 2.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0
 
 #include <common.h>
 #include <driver.h>
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index f1feee4689..6544366989 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * rtc-ds1307.c - RTC driver for some mostly-compatible I2C chips.
  *
@@ -7,10 +8,6 @@
  *  Copyright (C) 2006 David Brownell
  *  Copyright (C) 2009 Matthias Fuchs (rx8025 support)
  *  Copyright (C) 2012 Bertrand Achard (nvram access fixes)
- *
- * 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 <common.h>
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 82ed6d5007..297fdc17b9 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
  * Copyright 2010 Orex Computed Radiography
  */
 
-/*
- * 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
- */
-
 /* based on rtc-mc13892.c */
 
 /*
diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 95885357d9..52f52349e6 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  JZ4740 SoC RTC driver
  *
@@ -5,12 +6,6 @@
  *
  *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
  *  Copyright (C) 2010, Paul Cercueil <paul@crapouillou.net>
- *
- *  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 of the License, or (at your
- *  option) any later version.
- *
  */
 
 #include <common.h>
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index 4a2d34fcfd..c447d4ded9 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * rtc and date/time utility functions
  *
@@ -7,11 +8,7 @@
  * Author: Alessandro Zummo <a.zummo@towertech.it>
  *
  * based on arch/arm/common/rtctime.c and other bits
- *
- * 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 <rtc.h>
 #include <linux/rtc.h>