dmaengine: add dmaengine_prep_dma_sg() helper

This was only prep API which didnt have an helper

Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 1f9e642c66ad..7e6b3a281da8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -755,6 +755,16 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma(
         return chan->device->device_prep_interleaved_dma(chan, xt, flags);
 }
 
+static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg(
+                struct dma_chan *chan,
+                struct scatterlist *dst_sg, unsigned int dst_nents,
+                struct scatterlist *src_sg, unsigned int src_nents,
+                unsigned long flags)
+{
+        return chan->device->device_prep_dma_sg(chan, dst_sg, dst_nents,
+                        src_sg, src_nents, flags);
+}
+
 static inline int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
 {
         if (!chan || !caps)