BW_40 475 drivers/net/wireless/mediatek/mt76/mt76x0/phy.c enum { BW_20 = 0, BW_40 = 1, BW_80 = 2, BW_10 = 4}; BW_40 41 net/mac80211/rc80211_minstrel_ht.c #define BW_40 1