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-rw-r--r--drivers/s390/cio/trace.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/cio/trace.h b/drivers/s390/cio/trace.h
index 5b807a09f21b..1f8d1c1e566d 100644
--- a/drivers/s390/cio/trace.h
+++ b/drivers/s390/cio/trace.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Tracepoint header for the s390 Common I/O layer (CIO)
*