diff --git a/drivers/hwtracing/stm/console.c b/drivers/hwtracing/stm/console.c
index c9d9a8d2ff52ef8ef97b0d7b71df93ae04b1e29b..a00f65e217477e9eaccfbf18acbef1256fd12220 100644
--- a/drivers/hwtracing/stm/console.c
+++ b/drivers/hwtracing/stm/console.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simple kernel console driver for STM devices
  * Copyright (c) 2014, Intel Corporation.
  *
- * 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.
- *
  * STM console will send kernel messages over STM devices to a trace host.
  */
 
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index f129869e05a9b0dc6430b63ce8ff1693c25c4726..05386b76465ed56105436b4d3b15da98d8051bf1 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * System Trace Module (STM) infrastructure
  * Copyright (c) 2014, Intel Corporation.
  *
- * 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.
- *
  * STM class implements generic infrastructure for  System Trace Module devices
  * as defined in MIPI STPv2 specification.
  */
diff --git a/drivers/hwtracing/stm/dummy_stm.c b/drivers/hwtracing/stm/dummy_stm.c
index c5f94ca31c4d79bfa7be20ef8c672b0bc96f4c0b..63288020ea5b9e5436291e640207d95325a867b2 100644
--- a/drivers/hwtracing/stm/dummy_stm.c
+++ b/drivers/hwtracing/stm/dummy_stm.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * A dummy STM device for stm/stm_source class testing.
  * Copyright (c) 2014, Intel Corporation.
  *
- * 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.
- *
  * STM class implements generic infrastructure for  System Trace Module devices
  * as defined in MIPI STPv2 specification.
  */
diff --git a/drivers/hwtracing/stm/heartbeat.c b/drivers/hwtracing/stm/heartbeat.c
index 3da7b673aab252a245991c901eb5a07696c5fb38..7db42395e131637aa7eeba40e014577dc8b7e447 100644
--- a/drivers/hwtracing/stm/heartbeat.c
+++ b/drivers/hwtracing/stm/heartbeat.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Simple heartbeat STM source driver
  * Copyright (c) 2016, Intel Corporation.
  *
- * 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.
- *
  * Heartbeat STM source will send repetitive messages over STM devices to a
  * trace host.
  */
diff --git a/drivers/hwtracing/stm/policy.c b/drivers/hwtracing/stm/policy.c
index 33e9a1b6ea7c2b9571574dc7a971085b043813a8..3fd07e275b34e9a8470e8203445cfc3c7a4cc19d 100644
--- a/drivers/hwtracing/stm/policy.c
+++ b/drivers/hwtracing/stm/policy.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * System Trace Module (STM) master/channel allocation policy management
  * Copyright (c) 2014, Intel Corporation.
  *
- * 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.
- *
  * A master/channel allocation policy allows mapping string identifiers to
  * master and channel ranges, where allocation can be done.
  */
diff --git a/drivers/hwtracing/stm/stm.h b/drivers/hwtracing/stm/stm.h
index 4e8c6926260f3e8eec0ec8da70de8f13f86f0cc6..923571adc6f408f44da82cb06d631d46498a4032 100644
--- a/drivers/hwtracing/stm/stm.h
+++ b/drivers/hwtracing/stm/stm.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * System Trace Module (STM) infrastructure
  * Copyright (c) 2014, Intel Corporation.
  *
- * 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.
- *
  * STM class implements generic infrastructure for  System Trace Module devices
  * as defined in MIPI STPv2 specification.
  */
diff --git a/include/linux/stm.h b/include/linux/stm.h
index 210ff2292361a9daecdf0ac027dc3f28a9d1fbff..c6f577ab6f21aa005c83e56ddcc80701f984b9fd 100644
--- a/include/linux/stm.h
+++ b/include/linux/stm.h
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * System Trace Module (STM) infrastructure apis
  * Copyright (C) 2014 Intel Corporation.
- *
- * 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.
  */
 
 #ifndef _STM_H_
diff --git a/include/uapi/linux/stm.h b/include/uapi/linux/stm.h
index dbffdc23d80480aa1e0202fc8a146498ec6b556a..29c89be722750e88c045dacab01776c2dd9729b2 100644
--- a/include/uapi/linux/stm.h
+++ b/include/uapi/linux/stm.h
@@ -3,15 +3,6 @@
  * System Trace Module (STM) userspace interfaces
  * Copyright (c) 2014, Intel Corporation.
  *
- * 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.
- *
  * STM class implements generic infrastructure for  System Trace Module devices
  * as defined in MIPI STPv2 specification.
  */