clk: Tag clk core files with SPDX

These are all GPL-2.0 files per the existing license text. Replace the
boiler plate with the tag.

Signed-off-by: Stephen Boyd <sboyd@kernel.org>

5 files changed, 5 insertions, 32 deletions

diff --git a/drivers/clk/clk-bulk.c b/drivers/clk/clk-bulk.c
index 6a7118d4250a..06499568cf07 100644
--- a/drivers/clk/clk-bulk.c
+++ b/drivers/clk/clk-bulk.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright 2017 NXP
  *
  * Dong Aisheng <aisheng.dong@nxp.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/clk.h>
diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c
index 49819b546134..2ef819606c41 100644
--- a/drivers/clk/clk-conf.c
+++ b/drivers/clk/clk-conf.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2014 Samsung Electronics Co., Ltd.
  * Sylwester Nawrocki <s.nawrocki@samsung.com>
- *
- * 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/clk.h>
diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c
index 12c87457eca1..c9a86156ced8 100644
--- a/drivers/clk/clk-devres.c
+++ b/drivers/clk/clk-devres.c
@@ -1,9 +1,4 @@
-/*
- * 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.
- */
-
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/clk.h>
 #include <linux/device.h>
 #include <linux/export.h>
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index af011974d4ec..27260971bb39 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2010-2011 Canonical Ltd <jeremy.kerr@canonical.com>
  * Copyright (C) 2011-2012 Linaro Ltd <mturquette@linaro.org>
  *
- * 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.
- *
  * Standard functionality for the common clock API.  See Documentation/driver-api/clk.rst
  */
 
diff --git a/drivers/clk/clk.h b/drivers/clk/clk.h
index 70c0ba6336c1..b02f5e604e69 100644
--- a/drivers/clk/clk.h
+++ b/drivers/clk/clk.h
@@ -1,12 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
- * linux/drivers/clk/clk.h
- *
  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
  * Sylwester Nawrocki <s.nawrocki@samsung.com>
- *
- * 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.
  */
 
 struct clk_hw;