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-rw-r--r--include/asm-x86/dma-mapping.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 1a301d7e472..53a404b0f9e 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -148,4 +148,15 @@ dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
flush_write_buffers();
}
+
+static inline void
+dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
+ int nelems, int direction)
+{
+ BUG_ON(!valid_dma_direction(direction));
+ if (dma_ops->sync_sg_for_device)
+ dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction);
+
+ flush_write_buffers();
+}
#endif