1:  a6bccf00a299 ! 1:  4d9f11059012 wifi: rtw89: add firmware-assisted regulatory domain learning
    @@ drivers/net/wireless/realtek/rtw89/mac80211.c: static int rtw89_ops_assign_vif_c
      	return rtw89_chanctx_ops_assign_vif(rtwdev, rtwvif_link, ctx);
      }
      
    -@@ drivers/net/wireless/realtek/rtw89/mac80211.c: static void rtw89_ops_unassign_vif_chanctx(struct ieee80211_hw *hw,
    - 	struct rtw89_dev *rtwdev = hw->priv;
    - 	struct rtw89_vif *rtwvif = vif_to_rtwvif(vif);
    - 	struct rtw89_vif_link *rtwvif_link;
    -+	unsigned int count = 0;
    - 
    - 	lockdep_assert_wiphy(hw->wiphy);
    - 
     @@ drivers/net/wireless/realtek/rtw89/mac80211.c: static void rtw89_ops_unassign_vif_chanctx(struct ieee80211_hw *hw,
      	}
      
      	rtw89_chanctx_ops_unassign_vif(rtwdev, rtwvif_link, ctx);
     +
    -+	rtw89_for_each_active_rtwvif(rtwdev, rtwvif)
    -+		count++;
    -+
    -+	if (count == 0)
    ++	if (rtw89_no_active_rtwvif(rtwdev))
     +		rtw89_regd_learn_init(rtwdev);
      }
      
    @@ drivers/net/wireless/realtek/rtw89/ser.c: static void ser_l2_reset_st_pre_hdl(st
      	ser_reset_mac_binding(rtwdev);
      	rtw89_core_stop(rtwdev);
      	rtw89_entity_init(rtwdev);
    +
    + ## drivers/net/wireless/realtek/rtw89/util.h ##
    +@@
    + #define rtw89_for_each_active_rtwvif(rtwdev, rtwvif) \
    + 	list_for_each_entry(rtwvif, &(rtwdev)->hal.entity_mgnt.active_list, mgnt_entry)
    + 
    ++static inline bool rtw89_no_active_rtwvif(struct rtw89_dev *rtwdev)
    ++{
    ++	struct rtw89_hal *hal = &rtwdev->hal;
    ++	struct rtw89_entity_mgnt *mgnt = &hal->entity_mgnt;
    ++
    ++	return list_empty(&mgnt->active_list);
    ++}
    ++
    + /* Before adding rtwvif to list, we need to check if it already exist, beacase
    +  * in some case such as SER L2 happen during WoWLAN flow, calling reconfig
    +  * twice cause the list to be added twice.
2:  6cf1d4bb68ca = 2:  88904541753a wifi: rtw89: debug: support to disable regd learn