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dmaengine: add dmaengine_prep_dma_sg() helper

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This was only prep API which didnt have an helper

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2014-10-11 21:16:43 +05:30
parent 7d1311b93e
commit b65612a868
1 changed files with 10 additions and 0 deletions
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10
include/linux/dmaengine.h
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@ -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)