Hi Vinod, On 28/10/2020 7.55, Vinod Koul wrote: >> To summarize: >> In of_dma_route_allocate() the router does not yet know the channel we >> are going to get. >> In of_dma_xlate() the DMA driver does not yet know if the channel will >> use router or not. >> I need to tell the router the event number it has to send, which is >> based on the channel number I got. > > Sounds reasonable, btw why not pass this information in xlate. Router > will have a different xlate rather than non router right, or is it same. Yes, the router's have their separate xlate, but in that xlate we do not yet have a channel. I don't know what is the event I need to send from the router to trigger the channel. > If this information is anyway available in DT might be better to get it > and use from DT Without a channel number I can not do anything. It is close to a chicken and egg problem. - Péter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
