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| author | Mark Brown <broonie@kernel.org> | 2017-09-19 16:12:47 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-09-19 16:12:47 +0300 |
| commit | e9331ee9b164d58b4dd0abc882ba7e23d2f404b3 (patch) | |
| tree | 903d078e53a59ed65708193f2486ad0b9a8109d8 /include/linux/dmaengine.h | |
| parent | e7251484f3bc3bd9203a2c39555ca7d53e988cf6 (diff) | |
| parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
| download | linux-e9331ee9b164d58b4dd0abc882ba7e23d2f404b3.tar.xz | |
Merge tag 'v4.14-rc1' into asoc-rockchip
Linux 4.14-rc1
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 533680860865..8319101170fc 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -68,7 +68,6 @@ enum dma_transaction_type { DMA_MEMSET, DMA_MEMSET_SG, DMA_INTERRUPT, - DMA_SG, DMA_PRIVATE, DMA_ASYNC_TX, DMA_SLAVE, @@ -186,6 +185,9 @@ struct dma_interleaved_template { * on the result of this operation * @DMA_CTRL_REUSE: client can reuse the descriptor and submit again till * cleared or freed + * @DMA_PREP_CMD: tell the driver that the data passed to DMA API is command + * data and the descriptor should be in different format from normal + * data descriptors. */ enum dma_ctrl_flags { DMA_PREP_INTERRUPT = (1 << 0), @@ -195,6 +197,7 @@ enum dma_ctrl_flags { DMA_PREP_CONTINUE = (1 << 4), DMA_PREP_FENCE = (1 << 5), DMA_CTRL_REUSE = (1 << 6), + DMA_PREP_CMD = (1 << 7), }; /** @@ -771,11 +774,6 @@ struct dma_device { unsigned int nents, int value, unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_dma_interrupt)( struct dma_chan *chan, unsigned long flags); - struct dma_async_tx_descriptor *(*device_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); struct dma_async_tx_descriptor *(*device_prep_slave_sg)( struct dma_chan *chan, struct scatterlist *sgl, @@ -905,19 +903,6 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memcpy( 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, - struct scatterlist *src_sg, unsigned int src_nents, - unsigned long flags) -{ - if (!chan || !chan->device || !chan->device->device_prep_dma_sg) - return NULL; - - return chan->device->device_prep_dma_sg(chan, dst_sg, dst_nents, - src_sg, src_nents, flags); -} - /** * dmaengine_terminate_all() - Terminate all active DMA transfers * @chan: The channel for which to terminate the transfers |