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SubjectRe: [PATCH] rtlwifi: btcoex: fix if == else warning
Date
On Sun, 2022-04-24 at 15:55 +0800, Guo Zhengkui wrote:
> 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@vivo.com>
> ---
> .../realtek/rtlwifi/btcoexist/halbtc8821a1ant.c | 15 ++++-----------
> 1 file changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
> b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
> index a18dffc8753a..2f4c6a37a2e8 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
> @@ -1601,17 +1601,10 @@ static void btc8821a1ant_act_wifi_con_bt_acl_busy(struct btc_coexist
> *btcoexist,
> }
> } 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;
> - }
> + /* for low BT RSSI */

The comment shuold be removed, or "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) ||
>

The code is to preserve a room to fine tune BT coexistence to get
better user experience for certain cases. Since it works well,
I think they can be removed now.

--
Ping-Ke

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