On 17-07-21, 22:00, Peter Ujfalusi wrote: > If the router_xlate can not find the controller in the available DMA > devices then it should return with -EPORBE_DEFER in a same way as the > of_dma_request_slave_channel() does. > > The issue can be reproduced if the event router is registered before the > DMA controller itself and a driver would request for a channel before the > controller is registered. > In of_dma_request_slave_channel(): > 1. of_dma_find_controller() would find the dma_router > 2. ofdma->of_dma_xlate() would fail and returned NULL > 3. -ENODEV is returned as error code > > with this patch we would return in this case the correct -EPROBE_DEFER and > the client can try to request the channel later. Applied, thanks -- ~Vinod
