6 files changed, 6 insertions, 31 deletions
diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile
index 58f6c5e027..f12e7fd71a 100644
--- a/drivers/usb/core/Makefile
+++ b/drivers/usb/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_USB_HOST) += usb.o hub.o
 obj-$(CONFIG_USB) += common.o
 obj-$(CONFIG_OFDEVICE) += of.o
diff --git a/drivers/usb/core/common.c b/drivers/usb/core/common.c
index bcbe3a155d..c83a981a02 100644
--- a/drivers/usb/core/common.c
+++ b/drivers/usb/core/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <common.h>
 #include <usb/ch9.h>
 
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 01653d8c20..7944a9031b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * hub.c - USB hub support
  *
  * Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * 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.
- *
  */
 
 #include <common.h>
diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c
index b534ede18a..a8d4452cc8 100644
--- a/drivers/usb/core/of.c
+++ b/drivers/usb/core/of.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * usb devicetree helper functions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * 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.
  */
 
 #include <common.h>
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 938a28e030..4eede13a11 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  * Most of this source has been derived from the Linux USB
@@ -14,18 +15,6 @@
  *
  * Adapted for barebox:
  * (C) Copyright 2001 Denis Peter, MPL AG Switzerland
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- *
  */
 
 /*
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index a5bb255121..431b72fc26 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __CORE_USB_H
 #define __CORE_USB_H