Commit 77d65d6f authored by Boris Brezillon's avatar Boris Brezillon Committed by Vinod Koul

dmaengine: Provide a wrapper for memcpy operations

Almost all ->device_prep_dma_xx() methods have a wrapper defined in
dmaengine.h. Add one for  ->device_prep_dma_memcpy().
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent adee40b2
......@@ -894,6 +894,17 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memset(
len, flags);
}
static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memcpy(
struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
size_t len, unsigned long flags)
{
if (!chan || !chan->device || !chan->device->device_prep_dma_memcpy)
return NULL;
return chan->device->device_prep_dma_memcpy(chan, dest, src,
len, flags);
}
static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg(
struct dma_chan *chan,
struct scatterlist *dst_sg, unsigned int dst_nents,
......
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