On Mon, Nov 25, 2013 at 11:00 AM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote: > I suppose an alternative would be to remove that flag, and have the loop > in of_dma_request_slave_channel() initially ignore any unregistered DMA > controllers, and still continue to look through the property for any > alternative controller, and return a channel from one if it is found. > Then, at the very end of the function, we could always return > -EPROBE_DEFER if any unregistered DMA controllers were found, otherwise > return -ENODEV. That would keep compatible behaviour, but it would mean > that device probe order would/could influence which dmas entry provided > the channel, since some entries might be ignored based simply on > timing/ordering of DMA controller registration. Is that acceptable? > Yes, I think this option makes the most sense, and is just as susceptible to probe order as the current implementation. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
