sdw_bus_master_add
ret = sdw_bus_master_add(&amd_manager->bus, dev, dev->fwnode);
EXPORT_SYMBOL(sdw_bus_master_add);
ret = sdw_bus_master_add(bus, dev, dev->fwnode);
ret = sdw_bus_master_add(&ctrl->bus, dev, dev->fwnode);
int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent,