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提交 a88f6667 编写于 作者: G Guennadi Liakhovetski 提交者: Dan Williams

dmaengine: clarify the meaning of the DMA_CTRL_ACK flag

DMA_CTRL_ACK's description applies to its clear state, not to its set state.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>
上级 86d61b33
...@@ -74,7 +74,7 @@ enum dma_transaction_type { ...@@ -74,7 +74,7 @@ enum dma_transaction_type {
* control completion, and communicate status. * control completion, and communicate status.
* @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of
* this transaction * this transaction
* @DMA_CTRL_ACK - the descriptor cannot be reused until the client * @DMA_CTRL_ACK - if clear, the descriptor cannot be reused until the client
* acknowledges receipt, i.e. has has a chance to establish any dependency * acknowledges receipt, i.e. has has a chance to establish any dependency
* chains * chains
* @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s) * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)
......
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