On Mon, Nov 30, 2020 at 07:29:00PM +0200, Andy Shevchenko wrote: > On Mon, Nov 30, 2020 at 01:31:13PM +0000, Daniel Scally wrote: > > This function is used to find fwnode endpoints against a device. In > > some instances those endpoints are software nodes which are children of > > fwnode->secondary. Add support to fwnode_graph_get_endpoint_by_id() to > > find those endpoints by recursively calling itself passing the ptr to > > fwnode->secondary in the event no endpoint is found for the primary. > > One nit below, after addressing: > Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > ... > > > + if (!best_ep && fwnode && !IS_ERR_OR_NULL(fwnode->secondary)) > > + return fwnode_graph_get_endpoint_by_id(fwnode->secondary, port, > > + endpoint, flags); > > > return best_ep; > > Can we, please, do > > if (best_ep) > return best_ep; > > if (fwnode && !IS_ERR_OR_NULL(fwnode->secondary)) > return fwnode_graph_get_endpoint_by_id(fwnode->secondary, port, > endpoint, flags); > > return NULL; > > ? > > This 'if (fwnode && !IS_ERR_OR_NULL(fwnode->secondary))' becomes kinda > idiomatic to the cases when we need to proceed primary followed by the > secondary in cases where it's not already done. We could also move the !fwnode check to the beginning of the function. > > } > > EXPORT_SYMBOL_GPL(fwnode_graph_get_endpoint_by_id); -- Regards, Laurent Pinchart