diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
index f00d6e6ab69b411755d4e864ccbcc98a10a3ace0..451039ac7b0ad13c4cf5deb7236f7540981a1782 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
@@ -803,8 +803,6 @@ bool exhalbtc_initlize_variables(void)
 
 	halbtc_dbg_init();
 
-	btcoexist->chip_interface = BTC_INTF_UNKNOWN;
-
 	btcoexist->btc_read_1byte = halbtc_read_1byte;
 	btcoexist->btc_write_1byte = halbtc_write_1byte;
 	btcoexist->btc_write_1byte_bitmask = halbtc_bitmask_write_1byte;
@@ -843,6 +841,18 @@ bool exhalbtc_bind_bt_coex_withadapter(void *adapter)
 	if (btcoexist->binded)
 		return false;
 
+	switch (rtlpriv->rtlhal.interface) {
+	case INTF_PCI:
+		btcoexist->chip_interface = BTC_INTF_PCI;
+		break;
+	case INTF_USB:
+		btcoexist->chip_interface = BTC_INTF_USB;
+		break;
+	default:
+		btcoexist->chip_interface = BTC_INTF_UNKNOWN;
+		break;
+	}
+
 	btcoexist->binded = true;
 	btcoexist->statistics.cnt_bind++;
 
@@ -912,10 +922,8 @@ void exhalbtc_pre_load_firmware(struct btc_coexist *btcoexist)
 	}
 }
 
-void exhalbtc_init_hw_config(struct btc_coexist *btcoexist)
+void exhalbtc_init_hw_config(struct btc_coexist *btcoexist, bool wifi_only)
 {
-	bool wifi_only = true;
-
 	if (!halbtc_is_bt_coexist_available(btcoexist))
 		return;
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
index 21d39973feabdd876366a2bae3e34015ed642c9f..f9b87c12db099abe361bf769d60e770d4a4f2c50 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
@@ -601,7 +601,7 @@ extern struct btc_coexist gl_bt_coexist;
 
 bool exhalbtc_initlize_variables(void);
 bool exhalbtc_bind_bt_coex_withadapter(void *adapter);
-void exhalbtc_init_hw_config(struct btc_coexist *btcoexist);
+void exhalbtc_init_hw_config(struct btc_coexist *btcoexist, bool wifi_only);
 void exhalbtc_init_coex_dm(struct btc_coexist *btcoexist);
 void exhalbtc_ips_notify(struct btc_coexist *btcoexist, u8 type);
 void exhalbtc_lps_notify(struct btc_coexist *btcoexist, u8 type);
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
index 7d4a94efe260516231a2cf65e928d3ceb39f0f37..9635c1478875a6acbcdf5415f19ed0e09032d85c 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
@@ -68,7 +68,7 @@ void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
 	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
 		"%s, bt_exist is %d\n", __func__, bt_exist);
 
-	exhalbtc_init_hw_config(&gl_bt_coexist);
+	exhalbtc_init_hw_config(&gl_bt_coexist, !bt_exist);
 	exhalbtc_init_coex_dm(&gl_bt_coexist);
 }