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dmaengine: add a new helper dmaenginem_async_device_register

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This patch adds the dmaenginem_async_device_register for DMA code.
Use the Devres to call the release for the DMA engine driver.

Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Huang Shijie 2018-07-26 14:45:53 +08:00 • committed by Vinod Koul
parent ec8ca8e3b4
commit f39b948dbe
3 changed files with 37 additions and 0 deletions
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1
include/linux/dmaengine.h
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@ -1406,6 +1406,7 @@ static inline int dmaengine_desc_free(struct dma_async_tx_descriptor *desc)
/* --- DMA device --- */
int dma_async_device_register(struct dma_device *device);
int dmaenginem_async_device_register(struct dma_device *device);
void dma_async_device_unregister(struct dma_device *device);
void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);