diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 76e794e..a43a148 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3195,6 +3195,9 @@
 		ieee80211_stop_vif_queues(local, sdata,
 					  IEEE80211_QUEUE_STOP_REASON_CSA);
 
+	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
+					  params->count);
+
 	if (changed) {
 		ieee80211_bss_info_change_notify(sdata, changed);
 		drv_channel_switch_beacon(sdata, &params->chandef);