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-rw-r--r--include/dma-dir.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/dma-dir.h b/include/dma-dir.h
index ba107f10ce..970764c5b3 100644
--- a/include/dma-dir.h
+++ b/include/dma-dir.h
@@ -1,6 +1,11 @@
+#ifndef __DMA_DIR_H
+#define __DMA_DIR_H
+
enum dma_data_direction {
DMA_BIDIRECTIONAL = 0,
DMA_TO_DEVICE = 1,
DMA_FROM_DEVICE = 2,
DMA_NONE = 3,
};
+
+#endif /* __DMA_DIR_H */