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-rw-r--r--arch/s390/lib/delay.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c
index 7f17555ad4d5..d4aa10795605 100644
--- a/arch/s390/lib/delay.c
+++ b/arch/s390/lib/delay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Precise Delay Loops for S390
*
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