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-rw-r--r--drivers/usb/class/cdc-acm.c1
-rw-r--r--drivers/usb/class/cdc-wdm.c1
-rw-r--r--drivers/usb/class/usblp.c1
-rw-r--r--drivers/usb/class/usbtmc.c1
4 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 18c923a4c16e..ee33370b012d 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* cdc-acm.c
*
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 3e865dbf878c..80529ac4b083 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* cdc-wdm.c
*
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index fb87c17ed6fa..af771fa25800 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* usblp.c
*
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 6adceacaa919..a1475fafc5f4 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/**
* drivers/usb/class/usbtmc.c - USB Test & Measurement class driver
*