dmaengine: clarify the issue_pending expectations
Although Documentation explicitly mentions the expectations, the comment in header can be lead to different expectation so clear up the confusion Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -447,7 +447,8 @@ struct dmaengine_unmap_data {
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* communicate status
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* @phys: physical address of the descriptor
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* @chan: target channel for this operation
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* @tx_submit: set the prepared descriptor(s) to be executed by the engine
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* @tx_submit: accept the descriptor, assign ordered cookie and mark the
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* descriptor pending. To be pushed on .issue_pending() call
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* @callback: routine to call after this operation is complete
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* @callback_param: general parameter to pass to the callback routine
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* ---async_tx api specific fields---
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