5 files changed, 10 insertions, 66 deletions
diff --git a/src/mainboard/google/butterfly/acpi/ec.asl b/src/mainboard/google/butterfly/acpi/ec.asl
index faba3ff412..e9a7d61f95 100644
--- a/src/mainboard/google/butterfly/acpi/ec.asl
+++ b/src/mainboard/google/butterfly/acpi/ec.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /* mainboard configuration */
 #include "../ec.h"
diff --git a/src/mainboard/google/butterfly/acpi/mainboard.asl b/src/mainboard/google/butterfly/acpi/mainboard.asl
index 11b6852b20..77a3aaa2ea 100644
--- a/src/mainboard/google/butterfly/acpi/mainboard.asl
+++ b/src/mainboard/google/butterfly/acpi/mainboard.asl
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #include <mainboard/google/butterfly/onboard.h>
 
diff --git a/src/mainboard/google/butterfly/acpi/platform.asl b/src/mainboard/google/butterfly/acpi/platform.asl
index 01e106b13f..a54c5daa25 100644
--- a/src/mainboard/google/butterfly/acpi/platform.asl
+++ b/src/mainboard/google/butterfly/acpi/platform.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /* The _PTS method (Prepare To Sleep) is called before the OS is
  * entering a sleep state. The sleep state number is passed in Arg0
diff --git a/src/mainboard/google/butterfly/acpi/superio.asl b/src/mainboard/google/butterfly/acpi/superio.asl
index cb06a9aec4..9aa9b218a9 100644
--- a/src/mainboard/google/butterfly/acpi/superio.asl
+++ b/src/mainboard/google/butterfly/acpi/superio.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /* mainboard configuration */
 #include "../ec.h"
diff --git a/src/mainboard/google/butterfly/acpi/thermal.asl b/src/mainboard/google/butterfly/acpi/thermal.asl
index f9964e966b..56bc6c7e8d 100644
--- a/src/mainboard/google/butterfly/acpi/thermal.asl
+++ b/src/mainboard/google/butterfly/acpi/thermal.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 // Thermal Zone