ULP_PORT_BUSY
ulp_port->port_dstate |= ULP_PORT_BUSY;
ulp_port->port_dstate &= ~ULP_PORT_BUSY;
ulp_port->port_dstate |= ULP_PORT_BUSY;
ulp_port->port_dstate &= ~ULP_PORT_BUSY;
((x) & ULP_PORT_BUSY))