tcpm_register_port
chip->tcpm_port = tcpm_register_port(&client->dev, &chip->tcpc_dev);
tcpm->tcpm_port = tcpm_register_port(tcpm->dev, &tcpm->tcpc);
tcpci->port = tcpm_register_port(tcpci->dev, &tcpci->tcpc);
EXPORT_SYMBOL_GPL(tcpm_register_port);
wcove->tcpm = tcpm_register_port(wcove->dev, &wcove->tcpc);
struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc);