drv_pre_channel_switch 3366 net/mac80211/cfg.c 	err = drv_pre_channel_switch(sdata, &ch_switch);
drv_pre_channel_switch 1389 net/mac80211/mlme.c 	if (drv_pre_channel_switch(sdata, &ch_switch)) {
drv_pre_channel_switch 2445 net/mac80211/trace.h TRACE_EVENT(drv_pre_channel_switch,