SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>

8 files changed, 8 insertions, 15 deletions

diff --git a/fs/ext4/Makefile b/fs/ext4/Makefile
index 8d15bdad675..c2544beee3a 100644
--- a/fs/ext4/Makefile
+++ b/fs/ext4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -5,9 +6,6 @@
 # (C) Copyright 2003
 # Pavel Bartusek, Sysgo Real-Time Solutions AG, pba@sysgo.de
 #
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 obj-y := ext4fs.o ext4_common.o dev.o
 obj-$(CONFIG_EXT4_WRITE) += ext4_write.o ext4_journal.o crc16.o
diff --git a/fs/ext4/dev.c b/fs/ext4/dev.c
index f04fa08f64e..29076880bcc 100644
--- a/fs/ext4/dev.c
+++ b/fs/ext4/dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -13,8 +14,6 @@
  *
  * (C) Copyright 2003 - 2004
  * Sysgo AG, <www.elinos.com>, Pavel Bartusek <pba@sysgo.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index e3cc30a1e0a..672fead815d 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -15,8 +16,6 @@
  * Copyright (C) 2003, 2004  Free Software Foundation, Inc.
  *
  * ext4write : Based on generic ext4 protocol.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/fs/ext4/ext4_common.h b/fs/ext4/ext4_common.h
index 04d56028a0b..1ee81ab7ce8 100644
--- a/fs/ext4/ext4_common.h
+++ b/fs/ext4/ext4_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -15,8 +16,6 @@
  * Copyright (C) 2003, 2004  Free Software Foundation, Inc.
  *
  * ext4write : Based on generic ext4 protocol.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __EXT4_COMMON__
diff --git a/fs/ext4/ext4_journal.c b/fs/ext4/ext4_journal.c
index fed6287eac4..148593da7fe 100644
--- a/fs/ext4/ext4_journal.c
+++ b/fs/ext4/ext4_journal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -10,7 +11,6 @@
  * Written by Stephen C. Tweedie <sct@redhat.com>
  *
  * Copyright 1998-2000 Red Hat, Inc --- All Rights Reserved
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/fs/ext4/ext4_journal.h b/fs/ext4/ext4_journal.h
index 3d05ad53154..c9cf195f333 100644
--- a/fs/ext4/ext4_journal.h
+++ b/fs/ext4/ext4_journal.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -11,7 +12,6 @@
  * Written by Stephen C. Tweedie <sct@redhat.com>
  *
  * Copyright 1998-2000 Red Hat, Inc --- All Rights Reserved
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __EXT4_JRNL__
diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index d710a86d59c..a7f543f7df7 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -17,8 +18,6 @@
  * Copyright (C) 2003, 2004  Free Software Foundation, Inc.
  *
  * ext4write : Based on generic ext4 protocol.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 
diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index 9ee2caf2fa1..4b36a3e6082 100644
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011 - 2012 Samsung Electronics
  * EXT4 filesystem implementation in Uboot by
@@ -17,8 +18,6 @@
  * Copyright (C) 2003, 2004  Free Software Foundation, Inc.
  *
  * ext4write : Based on generic ext4 protocol.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>