On Thu, Sep 28, 2023 at 05:00:09PM +0800, Shengjiu Wang wrote: > m2m_start_part_one: first part of the start steps > m2m_start_part_two: second part of the start steps > m2m_stop_part_one: first part of stop steps > m2m_stop_part_two: second part of stop steps, optional The part_one/two naming isn't amazing here. Looking at the rest of the code it looks like this is a prepare/trigger type distinction where the first part is configuring things prior to DMA setup and the second part is actually starting the transfer. Perhaps _config()/_start() instead?
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