u32 i, idx;
        bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        if (AR_SREV_9300_20_OR_LATER(ah))
                rxclear_polarity = !ath_bt_config.bt_rxclear_polarity;
 
 {
        struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        /* connect bt_active to baseband */
        REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
                    (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF |
 {
        struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        /* btcoex 3-wire */
        REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
                        (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB |
 {
        struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        /* Configure the desired GPIO port for TX_FRAME output */
        ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
                            AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
 {
        struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
                                     SM(wlan_weight, AR_BTCOEX_WL_WGHT);
 }
        struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
        int i;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        btcoex_hw->enabled = false;
        if (btcoex_hw->scheme == ATH_BTCOEX_CFG_MCI) {
                ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
                              enum ath_stomp_type stomp_type)
 {
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        if (AR_SREV_9300_20_OR_LATER(ah)) {
                ar9003_btcoex_bt_stomp(ah, stomp_type);
                return;
 
 {
        struct ath_btcoex *btcoex = &sc->btcoex;
 
-       if (ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_NONE)
-               return 0;
-
        btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
        btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
                btcoex->btcoex_period / 100;
 
        ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n");
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        /* make sure duty cycle timer is also stopped when resuming */
        if (btcoex->hw_timer_enabled)
                ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
        struct ath_btcoex *btcoex = &sc->btcoex;
        struct ath_hw *ah = sc->sc_ah;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        del_timer_sync(&btcoex->period_timer);
 
        if (btcoex->hw_timer_enabled)
 
 {
        struct ath_btcoex *btcoex = &priv->btcoex;
 
-       if (ath9k_hw_get_btcoex_scheme(priv->ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;
        btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
                btcoex->btcoex_period / 100;
        struct ath_btcoex *btcoex = &priv->btcoex;
        struct ath_hw *ah = priv->ah;
 
-       if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex work\n");
 
        btcoex->bt_priority_cnt = 0;
  */
 static void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv)
 {
-       if (ath9k_hw_get_btcoex_scheme(priv->ah) == ATH_BTCOEX_CFG_NONE)
-               return;
-
        cancel_delayed_work_sync(&priv->coex_period_work);
        cancel_delayed_work_sync(&priv->duty_cycle_work);
 }
 
        if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) {
                ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE;
-               if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
-                       return;
        }
 
        switch (ath9k_hw_get_btcoex_scheme(priv->ah)) {
 
 {
        return ATH_BTCOEX_CFG_NONE;
 }
-#endif
+#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 
 #define ATH9K_CLOCK_RATE_CCK           22
 #define ATH9K_CLOCK_RATE_5GHZ_OFDM     40