BR_THR_GO_AWAY
if (hal->br_thread_ev_type & (BR_THR_CFGROM_SCAN | BR_THR_GO_AWAY)) {
if ((hal->br_thread_ev_type & BR_THR_GO_AWAY) != 0) {
if (event & BR_THR_GO_AWAY) {
(hal->br_thread_ev_type & BR_THR_GO_AWAY) == 0 &&
(hal->br_thread_ev_type & BR_THR_GO_AWAY) != 0) {
hal->br_thread_ev_type &= ~BR_THR_GO_AWAY;
hal->br_thread_ev_type |= BR_THR_GO_AWAY;
while (hal->br_thread_ev_type & BR_THR_GO_AWAY)