On Monday 30 November 2015 15:45:34 Peter Ujfalusi wrote: > @@ -2428,6 +2436,22 @@ bool edma_filter_fn(struct dma_chan *chan, void *param) > } > EXPORT_SYMBOL(edma_filter_fn); > > +static bool edma_filter_for_map(struct dma_chan *chan, void *param) > +{ > + bool match = false; > + > + if (chan->device->dev->driver == &edma_driver.driver) { > + struct edma_chan *echan = to_edma_chan(chan); > + unsigned ch_req = (unsigned)param; > + if (ch_req == echan->ch_num) { > + /* The channel is going to be used as HW synchronized */ > + echan->hw_triggered = true; > + match = true; > + } > + } > + return match; > +} > + > static int edma_init(void) > I don't see the difference between edma_filter_fn and edma_filter_for_map. Why do you need both? Arnd -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html