mv88e6xxx_port_set_state
err = mv88e6xxx_port_set_state(chip, port, state);
err = mv88e6xxx_port_set_state(chip, i, BR_STATE_DISABLED);
err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state);