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authorVinod Koul <vinod.koul@intel.com>2014-10-11 15:46:43 (GMT)
committerVinod Koul <vinod.koul@intel.com>2014-10-15 16:01:27 (GMT)
commitb65612a868768cd0431084ccf376d0946c12132d (patch)
treea9a35940809fa8ed8c41ea686e71764967d399fe /include
parent7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9 (diff)
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/dmaengine.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 1f9e642..7e6b3a2 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)

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