bwi_rf_work_around
static void bwi_rf_work_around(struct bwi_mac *, u_int);
bwi_rf_work_around(mac, rf->rf_curchan);
bwi_rf_work_around(mac, rf->rf_curchan);
bwi_rf_work_around(mac, rf->rf_curchan);
bwi_rf_work_around(mac, chan);
bwi_rf_work_around(mac, rf->rf_curchan);