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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-05-02 09:48:26 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-05-02 09:48:26 -0700 |
| commit | 0337966d121ebebf73a1c346123e8112796e684e (patch) | |
| tree | c0d4388591e72dc5a26ee976a9cbca70f6bafbbd /include/linux/dmaengine.h | |
| parent | 7c5bb4ac2b76d2a09256aec8a7d584bf3e2b0466 (diff) | |
| parent | 8a038b83e012097a7ac6cfb9f6c5fac1da8fad6e (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 4.12 merge window.
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index feee6ec6a13b..533680860865 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -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, |