linux-kernel - RE: [PATCH v2] rtlwifi: rtl8192se: Remove some unused variables

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Date:   Thu, 2 Mar 2023 00:23:03 +0000
From:   Ping-Ke Shih <pkshih@...ltek.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
CC:     "kvalo@...nel.org" <kvalo@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: RE: [PATCH v2] rtlwifi: rtl8192se: Remove some unused variables



> -----Original Message-----
> From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> Sent: Wednesday, March 1, 2023 11:06 AM
> To: Ping-Ke Shih <pkshih@...ltek.com>
> Cc: kvalo@...nel.org; davem@...emloft.net; edumazet@...gle.com; kuba@...nel.org; pabeni@...hat.com;
> linux-wireless@...r.kernel.org; netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Jiapeng Chong
> <jiapeng.chong@...ux.alibaba.com>; Abaci Robot <abaci@...ux.alibaba.com>
> Subject: [PATCH v2] rtlwifi: rtl8192se: Remove some unused variables

Miss subject prefix "wifi: ".

> 
> Variable bcntime_cfg, bcn_cw and bcn_ifs are not effectively used, so
> delete it.
> 
> drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c:1555:6: warning:
> variable 'bcntime_cfg' set but not used.
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4240
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Acked-by: Ping-Ke Shih <pkshih@...ltek.com>


> ---
> Changes in v2:
>   -Remove bcn_cw and bcn_ifs.
> 
>  drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c
> b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c
> index bd0b7e365edb..a8b5bf45b1bb 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c
> @@ -1552,8 +1552,6 @@ void rtl92se_set_beacon_related_registers(struct ieee80211_hw *hw)
>  {
>         struct rtl_priv *rtlpriv = rtl_priv(hw);
>         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
> -       u16 bcntime_cfg = 0;
> -       u16 bcn_cw = 6, bcn_ifs = 0xf;
>         u16 atim_window = 2;
> 
>         /* ATIM Window (in unit of TU). */
> @@ -1576,13 +1574,6 @@ void rtl92se_set_beacon_related_registers(struct ieee80211_hw *hw)
>          * other ad hoc STA */
>         rtl_write_byte(rtlpriv, BCN_ERR_THRESH, 100);
> 
> -       /* Beacon Time Configuration */
> -       if (mac->opmode == NL80211_IFTYPE_ADHOC)
> -               bcntime_cfg |= (bcn_cw << BCN_TCFG_CW_SHIFT);
> -
> -       /* TODO: bcn_ifs may required to be changed on ASIC */
> -       bcntime_cfg |= bcn_ifs << BCN_TCFG_IFS;
> -
>         /*for beacon changed */
>         rtl92s_phy_set_beacon_hwreg(hw, mac->beacon_interval);
>  }
> --
> 2.20.1.7.g153144c