util/: use SPDX license and copyright headers

Signed-off-by: Leah Rowe <leah@libreboot.org>

5 files changed, 10 insertions, 85 deletions

diff --git a/util/e6400-flash-unlock/Makefile b/util/e6400-flash-unlock/Makefile
index 7d350932..cf8e7845 100644
--- a/util/e6400-flash-unlock/Makefile
+++ b/util/e6400-flash-unlock/Makefile
@@ -1,22 +1,5 @@
-# Copyright (c) 2023 Nicholas Chin
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2023 Nicholas Chin
 
 CC=cc
 CFLAGS=-Wall -Wextra -Werror -O2 -pedantic
diff --git a/util/e6400-flash-unlock/e6400_flash_unlock.c b/util/e6400-flash-unlock/e6400_flash_unlock.c
index 9488a67e..d18970be 100644
--- a/util/e6400-flash-unlock/e6400_flash_unlock.c
+++ b/util/e6400-flash-unlock/e6400_flash_unlock.c
@@ -1,24 +1,5 @@
-/*
- * Copyright (c) 2023 Nicholas Chin
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
+/* SPDX-License-Identifier: MIT */
+/* SPDX-FileCopyrightText: 2023 Nicholas Chin */
 
 #include <sys/io.h>
 #include <sys/mman.h>
diff --git a/util/nvmutil/Makefile b/util/nvmutil/Makefile
index efcab724..47ab02fb 100644
--- a/util/nvmutil/Makefile
+++ b/util/nvmutil/Makefile
@@ -1,27 +1,5 @@
-#
-# Makefile for nvmutils
-#
-# Copyright (C) 2022 Leah Rowe <leah@libreboot.org>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: 2022 Leah Rowe <leah@libreboot.org>
 
 CC=cc
 CFLAGS=-Os -Wall -Wextra -Werror -pedantic
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 4e689379..a84e3c65 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -1,5 +1,5 @@
-/* Copyright (c) 2022, 2023 Leah Rowe <leah@libreboot.org> */
 /* SPDX-License-Identifier: MIT */
+/* SPDX-FileCopyrightText: 2022, 2023 Leah Rowe <leah@libreboot.org> */
 
 #include <sys/stat.h>
 
diff --git a/util/spkmodem_recv/spkmodem-recv.c b/util/spkmodem_recv/spkmodem-recv.c
index 24f1354f..be91c836 100644
--- a/util/spkmodem_recv/spkmodem-recv.c
+++ b/util/spkmodem_recv/spkmodem-recv.c
@@ -1,20 +1,6 @@
-/* spkmodem-recv.c - decode spkmodem signals */
-/*
- *  Copyright (C) 2013  Free Software Foundation, Inc.
- *
- *  spkmodem-recv 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.
- *
- *  spkmodem-recv 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.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spkmodem-recv.  If not, see <http://www.gnu.org/licenses/>.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2013 Free Software Foundation, Inc. */
+/* Usage: parec --channels=1 --rate=48000 --format=s16le | ./spkmodem-recv */
 
 #include <err.h>
 #include <errno.h>
@@ -23,9 +9,6 @@
 #include <string.h>
 #include <unistd.h>
 
-/* Compilation:	cc -o spkmodem-recv spkmodem-recv.c */
-/* Usage: parec --channels=1 --rate=48000 --format=s16le | ./spkmodem-recv */
-
 #define SAMPLES_PER_FRAME 240
 #define MAX_SAMPLES (2 * SAMPLES_PER_FRAME)
 #define FREQ_SEP_MIN 5