spi: use SPDX identifier for Renesas drivers

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-rspi.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SH RSPI driver
  *
@@ -6,15 +7,6 @@
  *
  * Based on spi-sh.c:
  * Copyright (C) 2011 Renesas Solutions Corp.
- *
- * 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 of the License.
- *
- * 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/module.h>

drivers/spi/spi-sh-hspi.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SuperH HSPI bus driver
  *
@@ -7,15 +8,6 @@
  * Based on pxa2xx_spi.c:
  * Copyright (C) 2011 Renesas Solutions Corp.
  * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
- *
- * 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 of the License.
- *
- * 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/clk.h>
@@ -316,6 +308,6 @@ static struct platform_driver hspi_driver = {
 module_platform_driver(hspi_driver);
 
 MODULE_DESCRIPTION("SuperH HSPI bus driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
 MODULE_ALIAS("platform:sh-hspi");

drivers/spi/spi-sh-msiof.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SuperH MSIOF SPI Master Interface
  *
  * Copyright (c) 2009 Magnus Damm
  * Copyright (C) 2014 Renesas Electronics Corporation
  * Copyright (C) 2014-2017 Glider bvba
- *
- * 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/bitmap.h>

drivers/spi/spi-sh.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * SH SPI bus driver
  *
@@ -5,15 +6,6 @@
  *
  * Based on pxa2xx_spi.c:
  * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
- *
- * 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 of the License.
- *
- * 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/module.h>
@@ -522,6 +514,6 @@ static struct platform_driver spi_sh_driver = {
 module_platform_driver(spi_sh_driver);
 
 MODULE_DESCRIPTION("SH SPI bus driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Yoshihiro Shimoda");
 MODULE_ALIAS("platform:sh_spi");