diff --git a/drivers/s390/virtio/Makefile b/drivers/s390/virtio/Makefile
index f68af1f317f15460d489c9b8324ebc4d06142ca9..7c6f0c8db883468afb163dac19464bbb954275ed 100644
--- a/drivers/s390/virtio/Makefile
+++ b/drivers/s390/virtio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # Makefile for kvm guest drivers on s390
 #
 # Copyright IBM Corp. 2008
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index b18fe2014cf2195a193186c08c956dc8e5cfe7e3..56346caadb21a1a6c178c054ebb098299b8a425b 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * ccw based virtio transport
  *