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-rw-r--r--include/asm-generic/barrier.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
index 1402fa855388..f5c40b0fadc2 100644
--- a/include/asm-generic/barrier.h
+++ b/include/asm-generic/barrier.h
@@ -42,6 +42,14 @@
#define wmb() mb()
#endif
+#ifndef dma_rmb
+#define dma_rmb() rmb()
+#endif
+
+#ifndef dma_wmb
+#define dma_wmb() wmb()
+#endif
+
#ifndef read_barrier_depends
#define read_barrier_depends() do { } while (0)
#endif