Hi Geert > > rcar-dmac has 2 types of interrupt, 1) error IRQ (for all), > > 2) IRQ for each channels. > > If error happens on some channels, the error IRQ will be handled > > by 1), and "all" channels will be restarted. > > But in this design, error handling itself will be problem for > > non error channel users. > > This patch removes 1) handler, and handles error IRQ on 2) > > Thank you, that explains the rationale! Thanks > BTW, how can you trigger an error, for testing? We created local patch to break address alignment. Best regards --- Kuninori Morimoto