--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/brcm80211/brcmsmac/stf.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/brcm80211/brcmsmac/stf.h	2021-02-04 17:41:59.000000000 +0000
@@ -19,24 +19,19 @@
 
 #include "types.h"
 
-extern int brcms_c_stf_attach(struct brcms_c_info *wlc);
-extern void brcms_c_stf_detach(struct brcms_c_info *wlc);
+int brcms_c_stf_attach(struct brcms_c_info *wlc);
+void brcms_c_stf_detach(struct brcms_c_info *wlc);
 
-extern void brcms_c_tempsense_upd(struct brcms_c_info *wlc);
-extern void brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc,
-					u16 *ss_algo_channel,
-					u16 chanspec);
-extern int brcms_c_stf_ss_update(struct brcms_c_info *wlc,
-			     struct brcms_band *band);
-extern void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc);
-extern int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val,
-			       bool force);
-extern bool brcms_c_stf_stbc_rx_set(struct brcms_c_info *wlc, s32 int_val);
-extern void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc);
-extern void brcms_c_stf_phy_chain_calc(struct brcms_c_info *wlc);
-extern u16 brcms_c_stf_phytxchain_sel(struct brcms_c_info *wlc,
-				      u32 rspec);
-extern u16 brcms_c_stf_d11hdrs_phyctl_txant(struct brcms_c_info *wlc,
-					u32 rspec);
+void brcms_c_tempsense_upd(struct brcms_c_info *wlc);
+void brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc,
+				     u16 *ss_algo_channel, u16 chanspec);
+int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band);
+void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc);
+int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, bool force);
+bool brcms_c_stf_stbc_rx_set(struct brcms_c_info *wlc, s32 int_val);
+void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc);
+void brcms_c_stf_phy_chain_calc(struct brcms_c_info *wlc);
+u16 brcms_c_stf_phytxchain_sel(struct brcms_c_info *wlc, u32 rspec);
+u16 brcms_c_stf_d11hdrs_phyctl_txant(struct brcms_c_info *wlc, u32 rspec);
 
 #endif				/* _BRCM_STF_H_ */