netdev - [PATCH v2] rtlwifi: btcoex: fix if == else warning

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Date:   Mon, 25 Apr 2022 11:17:23 +0800
From:   Guo Zhengkui <guozhengkui@...o.com>
To:     Ping-Ke Shih <pkshih@...ltek.com>, Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Guo Zhengkui <guozhengkui@...o.com>,
        linux-wireless@...r.kernel.org (open list:REALTEK WIRELESS DRIVER
        (rtlwifi family)),
        netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     zhengkui_guo@...look.com
Subject: [PATCH v2] rtlwifi: btcoex: fix if == else warning

Fix the following coccicheck warning:

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c:1604:2-4:
WARNING: possible condition with no effect (if == else).

Signed-off-by: Guo Zhengkui <guozhengkui@...o.com>
---
v1 -> v2: Modify the comment according to Ping-Ke's suggestion.

 .../realtek/rtlwifi/btcoexist/halbtc8821a1ant.c  | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
index a18dffc8753a..67d0b9aee064 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
@@ -1600,18 +1600,10 @@ static void btc8821a1ant_act_wifi_con_bt_acl_busy(struct btc_coexist *btcoexist,
 			coex_dm->auto_tdma_adjust = false;
 		}
 	} else if (bt_link_info->hid_exist && bt_link_info->a2dp_exist) {
-		/* HID+A2DP */
-		if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) ||
-		    (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {
-			btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC,
-					     true, 14);
-			coex_dm->auto_tdma_adjust = false;
-		} else {
-			/*for low BT RSSI*/
-			btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC,
-					     true, 14);
-			coex_dm->auto_tdma_adjust = false;
-		}
+		/* HID+A2DP (no need to consider BT RSSI) */
+		btc8821a1ant_ps_tdma(btcoexist, NORMAL_EXEC,
+				     true, 14);
+		coex_dm->auto_tdma_adjust = false;
 
 		btc8821a1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 1);
 	} else if ((bt_link_info->pan_only) ||
-- 
2.20.1