linux-kernel - Re: [PATCH 1/2] staging: rtl8723bs: remove dead code, rtw_port_switch

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Date:   Mon, 10 Dec 2018 12:33:20 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Michael Straube <straube.linux@...il.com>,
        gregkh@...uxfoundation.org
Cc:     hadess@...ess.net, Larry.Finger@...inger.net,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] staging: rtl8723bs: remove dead code,
 rtw_port_switch_chk()

Hi,

Thank you for the patches.

On 10-12-18 10:52, Michael Straube wrote:
> The function rtw_port_switch_chk() returns always false.
> Remove the function and related dead code.
> 
> Signed-off-by: Michael Straube <straube.linux@...il.com>

Both patches look good to me:

Acked-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> ---
>   drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 34 -------------------
>   .../staging/rtl8723bs/include/rtw_mlme_ext.h  |  1 -
>   2 files changed, 35 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> index 8445d516c93d..35003d8d9ba4 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> @@ -5334,13 +5334,6 @@ void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int
>   	return;
>   }
>   
> -
> -bool rtw_port_switch_chk(struct adapter *adapter)
> -{
> -	bool switch_needed = false;
> -	return switch_needed;
> -}
> -
>   /****************************************************************************
>   
>   Following are the event callback functions
> @@ -5414,7 +5407,6 @@ static void rtw_mlmeext_disconnect(struct adapter *padapter)
>   	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
>   	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
>   	struct wlan_bssid_ex		*pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));
> -	u8 state_backup = (pmlmeinfo->state&0x03);
>   
>   	/* set_opmode_cmd(padapter, infra_client_with_mlme); */
>   
> @@ -5440,17 +5432,6 @@ static void rtw_mlmeext_disconnect(struct adapter *padapter)
>   
>   	pmlmeinfo->state = WIFI_FW_NULL_STATE;
>   
> -	if (state_backup == WIFI_FW_STATION_STATE) {
> -		if (rtw_port_switch_chk(padapter)) {
> -			rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL);
> -			{
> -				struct adapter *port0_iface = dvobj_get_port0_adapter(adapter_to_dvobj(padapter));
> -				if (port0_iface)
> -					rtw_lps_ctrl_wk_cmd(port0_iface, LPS_CTRL_CONNECT, 0);
> -			}
> -		}
> -	}
> -
>   	/* switch to the 20M Hz mode after disconnect */
>   	pmlmeext->cur_bwmode = CHANNEL_WIDTH_20;
>   	pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
> @@ -5530,9 +5511,6 @@ void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res)
>   		rtw_hal_macid_wakeup(padapter, psta->mac_id);
>   	}
>   
> -	if (rtw_port_switch_chk(padapter))
> -		rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL);
> -
>   	join_type = 2;
>   	rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
>   
> @@ -6087,18 +6065,6 @@ u8 setopmode_hdl(struct adapter *padapter, u8 *pbuf)
>   		rtw_auto_ap_start_beacon(padapter);
>   #endif
>   
> -	if (rtw_port_switch_chk(padapter)) {
> -		rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL);
> -
> -		if (psetop->mode == Ndis802_11APMode)
> -			adapter_to_pwrctl(padapter)->fw_psmode_iface_id = 0xff; /* ap mode won't dowload rsvd pages */
> -		else if (psetop->mode == Ndis802_11Infrastructure) {
> -			struct adapter *port0_iface = dvobj_get_port0_adapter(adapter_to_dvobj(padapter));
> -			if (port0_iface)
> -				rtw_lps_ctrl_wk_cmd(port0_iface, LPS_CTRL_CONNECT, 0);
> -		}
> -	}
> -
>   	if (psetop->mode == Ndis802_11APMode) {
>   		/*  Do this after port switch to */
>   		/*  prevent from downloading rsvd page to wrong port */
> diff --git a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> index 4c3141882143..f6eabad4bbe0 100644
> --- a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> +++ b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h
> @@ -648,7 +648,6 @@ void report_survey_event(struct adapter *padapter, union recv_frame *precv_frame
>   void report_surveydone_event(struct adapter *padapter);
>   void report_del_sta_event(struct adapter *padapter, unsigned char* MacAddr, unsigned short reason);
>   void report_add_sta_event(struct adapter *padapter, unsigned char* MacAddr, int cam_idx);
> -bool rtw_port_switch_chk(struct adapter *adapter);
>   void report_wmm_edca_update(struct adapter *padapter);
>   
>   void beacon_timing_control(struct adapter *padapter);
>