License cleanup: add SPDX license identifier to uapi header files with a license

Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be.  This makes it hard for
compliance tools to determine the correct license.

Update these files with an SPDX license identifier.  The identifier was
chosen based on the license information in the file.

GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:

   NOTE! This copyright does *not* cover user programs that use kernel
   services by normal system calls - this is merely considered normal use
   of the kernel, and does *not* fall under the heading of "derived work".

This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.

Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier.  The format
is:
        ((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)

SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text.  The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.  See the previous patch in this series for the
methodology of how this patch was researched.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

12 files changed, 12 insertions, 0 deletions

diff --git a/arch/blackfin/include/uapi/asm/bfin_sport.h b/arch/blackfin/include/uapi/asm/bfin_sport.h
index c086de87ee61..86c36a208dc5 100644
--- a/arch/blackfin/include/uapi/asm/bfin_sport.h
+++ b/arch/blackfin/include/uapi/asm/bfin_sport.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * bfin_sport.h - interface to Blackfin SPORTs
  *
diff --git a/arch/blackfin/include/uapi/asm/cachectl.h b/arch/blackfin/include/uapi/asm/cachectl.h
index 4fdab75dee15..b5c86fbbca94 100644
--- a/arch/blackfin/include/uapi/asm/cachectl.h
+++ b/arch/blackfin/include/uapi/asm/cachectl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * based on the mips/cachectl.h
  *
diff --git a/arch/blackfin/include/uapi/asm/fcntl.h b/arch/blackfin/include/uapi/asm/fcntl.h
index f51ad9a4f617..0b02954f06c3 100644
--- a/arch/blackfin/include/uapi/asm/fcntl.h
+++ b/arch/blackfin/include/uapi/asm/fcntl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2008 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/fixed_code.h b/arch/blackfin/include/uapi/asm/fixed_code.h
index 3bef1dca379f..707b9214bb26 100644
--- a/arch/blackfin/include/uapi/asm/fixed_code.h
+++ b/arch/blackfin/include/uapi/asm/fixed_code.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * This file defines the fixed addresses where userspace programs
  * can find atomic code sequences.
diff --git a/arch/blackfin/include/uapi/asm/poll.h b/arch/blackfin/include/uapi/asm/poll.h
index 99c7d6816da0..8b094d43e9b7 100644
--- a/arch/blackfin/include/uapi/asm/poll.h
+++ b/arch/blackfin/include/uapi/asm/poll.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2009 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/posix_types.h b/arch/blackfin/include/uapi/asm/posix_types.h
index 9608ef64dc47..8947c75cf638 100644
--- a/arch/blackfin/include/uapi/asm/posix_types.h
+++ b/arch/blackfin/include/uapi/asm/posix_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2009 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/ptrace.h b/arch/blackfin/include/uapi/asm/ptrace.h
index fd48bd0739d2..e4423d5560da 100644
--- a/arch/blackfin/include/uapi/asm/ptrace.h
+++ b/arch/blackfin/include/uapi/asm/ptrace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2008 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/sigcontext.h b/arch/blackfin/include/uapi/asm/sigcontext.h
index b58f12dc27bd..66b4d32af89c 100644
--- a/arch/blackfin/include/uapi/asm/sigcontext.h
+++ b/arch/blackfin/include/uapi/asm/sigcontext.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2008 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/siginfo.h b/arch/blackfin/include/uapi/asm/siginfo.h
index 79dfe3979123..b1db506c8d2e 100644
--- a/arch/blackfin/include/uapi/asm/siginfo.h
+++ b/arch/blackfin/include/uapi/asm/siginfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2008 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/stat.h b/arch/blackfin/include/uapi/asm/stat.h
index d3068a750b94..458959d1a5ec 100644
--- a/arch/blackfin/include/uapi/asm/stat.h
+++ b/arch/blackfin/include/uapi/asm/stat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
  * Copyright 2004-2006 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/swab.h b/arch/blackfin/include/uapi/asm/swab.h
index f5626b77684a..d3437933b95f 100644
--- a/arch/blackfin/include/uapi/asm/swab.h
+++ b/arch/blackfin/include/uapi/asm/swab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2009 Analog Devices Inc.
  *
diff --git a/arch/blackfin/include/uapi/asm/unistd.h b/arch/blackfin/include/uapi/asm/unistd.h
index 0cb9078ef482..2d392c09323c 100644
--- a/arch/blackfin/include/uapi/asm/unistd.h
+++ b/arch/blackfin/include/uapi/asm/unistd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 2004-2009 Analog Devices Inc.
  *