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-rw-r--r--lib/iommu-common.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/iommu-common.c b/lib/iommu-common.c
index 858dc1aae478..55b00de106b5 100644
--- a/lib/iommu-common.c
+++ b/lib/iommu-common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* IOMMU mmap management and range allocation functions.
* Based almost entirely upon the powerpc iommu allocator.