int __must_check
ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,
			       const struct cfg80211_chan_def *chandef,
			       enum ieee80211_chanctx_mode mode,
			       bool radar_required)
int __must_check
ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link,
			       const struct ieee80211_chan_req *req,
			       enum ieee80211_chanctx_mode mode,
			       bool radar_required)