diff --git a/arch/mips/power/cpu.c b/arch/mips/power/cpu.c
index 2129e67723ff38b6a1ef8fea8401886a063c8402..3340a5530de3b793a5bb69a56e729872aa6b6e5b 100644
--- a/arch/mips/power/cpu.c
+++ b/arch/mips/power/cpu.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Suspend support specific for mips.
  *
- * Licensed under the GPLv2
- *
  * Copyright (C) 2009 Lemote Inc.
  * Author: Hu Hongbing <huhb@lemote.com>
  *	   Wu Zhangjin <wuzhangjin@gmail.com>
diff --git a/arch/mips/power/hibernate_asm.S b/arch/mips/power/hibernate_asm.S
index b1fab951100f51b47e1626444ef7301559898694..e625387349af7fcfe8b5f7509ee296f2e75f5771 100644
--- a/arch/mips/power/hibernate_asm.S
+++ b/arch/mips/power/hibernate_asm.S
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Hibernation support specific for mips - temporary page tables
  *
- * Licensed under the GPLv2
- *
  * Copyright (C) 2009 Lemote Inc.
  * Author: Hu Hongbing <huhb@lemote.com>
  *	   Wu Zhangjin <wuzhangjin@gmail.com>
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index a3cd7cb67a69fec3d82e3583f6527d611110cd2f..01081c4726c01b1d4a3606868f8feb2b00d243ac 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * include/linux/uio_driver.h
  *
@@ -7,8 +8,6 @@
  * Copyright(C) 2006, Greg Kroah-Hartman <greg@kroah.com>
  *
  * Userspace IO driver.
- *
- * Licensed under the GPLv2 only.
  */
 
 #ifndef _UIO_DRIVER_H_
diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c
index 89715b64a31578e2f26fc98a4e9c778bb72710d5..84e5304e151af4e4c75bb12b68460f615d426f30 100644
--- a/tools/perf/util/intlist.c
+++ b/tools/perf/util/intlist.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Based on intlist.c by:
  * (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Licensed under the GPLv2.
  */
 
 #include <errno.h>
diff --git a/tools/perf/util/rblist.c b/tools/perf/util/rblist.c
index 11e07fab20dc17f91c8005b77b6585648f78862c..f399b7ec4d8df0bb4ed791eacbef7274e5b674cd 100644
--- a/tools/perf/util/rblist.c
+++ b/tools/perf/util/rblist.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Based on strlist.c by:
  * (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Licensed under the GPLv2.
  */
 
 #include <errno.h>
diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c
index 9de5434bb49ea355c25358c5441290b28ea0fb60..af45c6fd97db913850b37593b4bca13cda004c91 100644
--- a/tools/perf/util/strlist.c
+++ b/tools/perf/util/strlist.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Licensed under the GPLv2.
  */
 
 #include "strlist.h"