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-rw-r--r--include/linux/of_iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h
index 13394ac83c66..cddfaff4d0b7 100644
--- a/include/linux/of_iommu.h
+++ b/include/linux/of_iommu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __OF_IOMMU_H
#define __OF_IOMMU_H