staging: rtl8723bs: remove dead code, rtw_port_switch_chk()

The function rtw_port_switch_chk() returns always false.
Remove the function and related dead code.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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 */

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);