ULP_PORT_POWER_DOWN
ASSERT((ulp_port->port_dstate & ULP_PORT_POWER_DOWN) == 0);
!(ulp_port->port_dstate & ULP_PORT_POWER_DOWN)) {
ulp_port->port_dstate &= ~ULP_PORT_POWER_DOWN;
ulp_port->port_dstate & ULP_PORT_POWER_DOWN) {
ulp_port->port_dstate |= ULP_PORT_POWER_DOWN;