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-rw-r--r--arch/mips/loongson64/common/dma-swiotlb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/loongson64/common/dma-swiotlb.c b/arch/mips/loongson64/common/dma-swiotlb.c
index 34486c138206..ef07740cee61 100644
--- a/arch/mips/loongson64/common/dma-swiotlb.c
+++ b/arch/mips/loongson64/common/dma-swiotlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>