On Thu, May 21, 2020 at 03:12:28PM +0300, Serge Semin wrote: > Well, for me both solutions are equal except mine consumes less stack memory. > The only reason why your solution might be better is that if DW DMA driver or > the DMA engine subsystem changed the dw_dma_slave structure instance passed to > the dma_request_channel() method, which non of them do. So I'll leave this for > Mark to decide. Mark, could you give us your final word about this? Honestly I'm struggling to care either way. I guess saving a bit of stack is potentially useful.
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