1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index d3fec584e8c3..56377df39124 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -635,6 +635,18 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_sg(
                                                   dir, flags, NULL);
 }
 
+#ifdef CONFIG_RAPIDIO_DMA_ENGINE
+struct rio_dma_ext;
+static inline struct dma_async_tx_descriptor *dmaengine_prep_rio_sg(
+        struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len,
+        enum dma_transfer_direction dir, unsigned long flags,
+        struct rio_dma_ext *rio_ext)
+{
+        return chan->device->device_prep_slave_sg(chan, sgl, sg_len,
+                                                  dir, flags, rio_ext);
+}
+#endif
+
 static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
                 struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
                 size_t period_len, enum dma_transfer_direction dir)