diff --git a/sound/soc/tegra/tegra_isomgr_bw.c b/sound/soc/tegra/tegra_isomgr_bw.c
index 514882e6..ca5859e1 100644
--- a/sound/soc/tegra/tegra_isomgr_bw.c
+++ b/sound/soc/tegra/tegra_isomgr_bw.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * tegra_isomgr_bw.c - ADMA bandwidth calculation
+ * Copyright (c) 2017-2023 NVIDIA CORPORATION. All rights reserved.
  *
- * Copyright (c) 2016-2023 NVIDIA CORPORATION.  All rights reserved.
- *
- * 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/>.
+ * ADMA bandwidth calculation
  */
 
 #include <linux/module.h>
diff --git a/sound/soc/tegra/tegra_isomgr_bw.h b/sound/soc/tegra/tegra_isomgr_bw.h
index bbbadd87..19f651b6 100644
--- a/sound/soc/tegra/tegra_isomgr_bw.h
+++ b/sound/soc/tegra/tegra_isomgr_bw.h
@@ -1,20 +1,5 @@
-/*
- * tegra_isomgr_bw.h
- *
- * Copyright (c) 2016-2020 NVIDIA CORPORATION.  All rights reserved.
- *
- * 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/>.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2016-2023 NVIDIA CORPORATION.  All rights reserved. */
 
 #ifndef __TEGRA_ISOMGR_BW_H__
 #define __TEGRA_ISOMGR_BW_H__
diff --git a/sound/soc/tegra/tegra_machine_driver.c b/sound/soc/tegra/tegra_machine_driver.c
index f51a4c88..2a342a55 100644
--- a/sound/soc/tegra/tegra_machine_driver.c
+++ b/sound/soc/tegra/tegra_machine_driver.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * tegra_machine_driver.c - Tegra ASoC Machine driver
+ * Copyright (c) 2017-2023 NVIDIA CORPORATION. All rights reserved.
  *
- * Copyright (c) 2017-2021 NVIDIA CORPORATION.  All rights reserved.
- *
- * 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/>.
+ * Tegra ASoC Machine driver
  */
 
 #include <linux/module.h>