P_PRIO_CTRL
ret = ksz_prmw8(dev, port, P_PRIO_CTRL, 0, PORT_ACL_PRIO_ENABLE |
ret = ksz_prmw8(dev, port, P_PRIO_CTRL, PORT_ACL_PRIO_ENABLE, 0);
lan937x_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true);