staging: rtl8723bs: remove all 5Ghz network types

remove all 5Ghz network types. rtl8723bs works on
802.11bgn standards and on 2.4Ghz band.

So remove all code related to 802.11a and 802.11ac
standards, which the device doesn't support.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/7e4644a71d0ba2819370171b3dc78bfc755f6313.1624367071.git.fabioaiuto83@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

13 files changed, 14 insertions, 168 deletions

diff --git a/drivers/staging/rtl8723bs/core/rtw_ap.c b/drivers/staging/rtl8723bs/core/rtw_ap.c
index 23bbdf084631..d572a9bf25ee 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ap.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ap.c
@@ -342,11 +342,7 @@ void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 	shortGIrate = query_ra_short_GI(psta);
 
 	if (pcur_network->Configuration.DSConfig > 14) {
-		if (tx_ra_bitmap & 0xffff000)
-			sta_band |= WIRELESS_11_5N;
-
-		if (tx_ra_bitmap & 0xff0)
-			sta_band |= WIRELESS_11A;
+		sta_band |= WIRELESS_INVALID;
 	} else {
 		if (tx_ra_bitmap & 0xffff000)
 			sta_band |= WIRELESS_11_24N;
@@ -412,7 +408,7 @@ void update_bmc_sta(struct adapter *padapter)
 		} else if (network_type == WIRELESS_INVALID) { /*  error handling */
 
 			if (pcur_network->Configuration.DSConfig > 14)
-				network_type = WIRELESS_11A;
+				network_type = WIRELESS_INVALID;
 			else
 				network_type = WIRELESS_11B;
 		}
@@ -1115,9 +1111,6 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
 	case WIRELESS_11BG_24N:
 		pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
 		break;
-	case WIRELESS_11A:
-		pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
-		break;
 	default:
 		pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
 		break;
diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index e341789954b9..0f0fcd9dc652 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -96,10 +96,7 @@ bool rtw_is_cckratesonly_included(u8 *rate)
 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
 {
 	if (channel > 14) {
-		if (rtw_is_cckrates_included(rate))
-			return WIRELESS_INVALID;
-		else
-			return WIRELESS_11A;
+		return WIRELESS_INVALID;
 	} else { /*  could be pure B, pure G, or B/G */
 		if (rtw_is_cckratesonly_included(rate))
 			return WIRELESS_11B;
@@ -266,10 +263,6 @@ void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
 		break;
 
 	case WIRELESS_11G:
-	case WIRELESS_11A:
-	case WIRELESS_11_5N:
-	case WIRELESS_11A_5N:/* Todo: no basic rate for ofdm ? */
-	case WIRELESS_11_5AC:
 		memcpy(SupportedRates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
 		break;
 
@@ -327,14 +320,7 @@ int rtw_generate_ie(struct registry_priv *pregistrypriv)
 	ie = rtw_set_ie(ie, WLAN_EID_SSID, pdev_network->Ssid.SsidLength, pdev_network->Ssid.Ssid, &sz);
 
 	/* supported rates */
-	if (pregistrypriv->wireless_mode == WIRELESS_11ABGN) {
-		if (pdev_network->Configuration.DSConfig > 14)
-			wireless_mode = WIRELESS_11A_5N;
-		else
-			wireless_mode = WIRELESS_11BG_24N;
-	} else {
-		wireless_mode = pregistrypriv->wireless_mode;
-	}
+	wireless_mode = pregistrypriv->wireless_mode;
 
 	rtw_set_supported_rate(pdev_network->SupportedRates, wireless_mode);
 
@@ -359,8 +345,8 @@ int rtw_generate_ie(struct registry_priv *pregistrypriv)
 	}
 
 	/* HT Cap. */
-	if (((pregistrypriv->wireless_mode&WIRELESS_11_5N) || (pregistrypriv->wireless_mode&WIRELESS_11_24N))
-		&& (pregistrypriv->ht_enable == true)) {
+	if ((pregistrypriv->wireless_mode & WIRELESS_11_24N) &&
+	    (pregistrypriv->ht_enable == true)) {
 		/* todo: */
 	}
 
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index 158f92d4d882..2dd75e007239 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -2184,16 +2184,6 @@ void rtw_update_registrypriv_dev_network(struct adapter *adapter)
 	case WIRELESS_11BG_24N:
 		pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
 		break;
-	case WIRELESS_11A:
-	case WIRELESS_11A_5N:
-		pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
-		break;
-	case WIRELESS_11ABGN:
-		if (pregistrypriv->channel > 14)
-			pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
-		else
-			pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
-		break;
 	default:
 		/*  TODO */
 		break;
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 4df3cba97f42..106779fb9fef 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -4478,61 +4478,6 @@ static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid
 			}
 		}
 
-		if (pregistrypriv->wireless_mode & WIRELESS_11A) {
-			do {
-				if ((i == MAX_CHANNEL_NUM) ||
-					(chplan_sta[i].ChannelNum == 0))
-					break;
-
-				if ((j == chplan_ap.Len) || (chplan_ap.Channel[j] == 0))
-					break;
-
-				if (chplan_sta[i].ChannelNum == chplan_ap.Channel[j]) {
-					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
-					chplan_new[k].ScanType = SCAN_ACTIVE;
-					i++;
-					j++;
-					k++;
-				} else if (chplan_sta[i].ChannelNum < chplan_ap.Channel[j]) {
-					chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
-/* 					chplan_new[k].ScanType = chplan_sta[i].ScanType; */
-					chplan_new[k].ScanType = SCAN_PASSIVE;
-					i++;
-					k++;
-				} else if (chplan_sta[i].ChannelNum > chplan_ap.Channel[j]) {
-					chplan_new[k].ChannelNum = chplan_ap.Channel[j];
-					chplan_new[k].ScanType = SCAN_ACTIVE;
-					j++;
-					k++;
-				}
-			} while (1);
-
-			/*  change AP not support channel to Passive scan */
-			while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) {
-				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
-/* 				chplan_new[k].ScanType = chplan_sta[i].ScanType; */
-				chplan_new[k].ScanType = SCAN_PASSIVE;
-				i++;
-				k++;
-			}
-
-			/*  add channel AP supported */
-			while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] != 0)) {
-				chplan_new[k].ChannelNum = chplan_ap.Channel[j];
-				chplan_new[k].ScanType = SCAN_ACTIVE;
-				j++;
-				k++;
-			}
-		} else {
-			/*  keep original STA 5G channel plan */
-			while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) {
-				chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum;
-				chplan_new[k].ScanType = chplan_sta[i].ScanType;
-				i++;
-				k++;
-			}
-		}
-
 		pmlmeext->update_channel_plan_by_ap_done = 1;
 	}
 
diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
index afabb9d48021..2a47d678de01 100644
--- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
@@ -55,9 +55,6 @@ u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
 
 	if (cur_rf_type == RF_1T1R) {
 		rf_type = RF_1T1R;
-	} else if (IsSupportedVHT(psta->wireless_mode)) {
-		if (psta->ra_mask & 0xffc00000)
-			rf_type = RF_2T2R;
 	} else if (IsSupportedHT(psta->wireless_mode)) {
 		if (psta->ra_mask & 0xfff00000)
 			rf_type = RF_2T2R;
@@ -67,7 +64,6 @@ u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
 	case WIRELESS_11B:
 		raid = RATEID_IDX_B;
 		break;
-	case WIRELESS_11A:
 	case WIRELESS_11G:
 		raid = RATEID_IDX_G;
 		break;
@@ -75,8 +71,6 @@ u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
 		raid = RATEID_IDX_BG;
 		break;
 	case WIRELESS_11_24N:
-	case WIRELESS_11_5N:
-	case WIRELESS_11A_5N:
 	case WIRELESS_11G_24N:
 		if (rf_type == RF_2T2R)
 			raid = RATEID_IDX_GN_N2SS;
@@ -827,7 +821,7 @@ void WMMOnAssocRsp(struct adapter *padapter)
 
 		AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
 
-		if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) {
+		if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
 			ECWMin = 4;
 			ECWMax = 10;
 		} else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
@@ -1623,7 +1617,7 @@ void update_capinfo(struct adapter *Adapter, u16 updateCap)
 		pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
 	} else {
 		/* Filen: See 802.11-2007 p.90 */
-		if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) {
+		if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
 			pmlmeinfo->slotTime = SHORT_SLOT_TIME;
 		} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
 			if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
@@ -1653,9 +1647,7 @@ void update_wireless_mode(struct adapter *padapter)
 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
 		pmlmeinfo->HT_enable = 1;
 
-	if (pmlmeinfo->VHT_enable)
-		network_type = WIRELESS_11AC;
-	else if (pmlmeinfo->HT_enable)
+	if (pmlmeinfo->HT_enable)
 		network_type = WIRELESS_11_24N;
 
 	if (rtw_is_cckratesonly_included(rate))
diff --git a/drivers/staging/rtl8723bs/hal/odm.c b/drivers/staging/rtl8723bs/hal/odm.c
index fa275138c983..bfe0c3a773af 100644
--- a/drivers/staging/rtl8723bs/hal/odm.c
+++ b/drivers/staging/rtl8723bs/hal/odm.c
@@ -377,7 +377,6 @@ u32 ODM_Get_Rate_Bitmap(
 		break;
 
 	case (ODM_WM_G):
-	case (ODM_WM_A):
 		if (rssi_level == DM_RATR_STA_HIGH)
 			rate_bitmap = 0x00000f00;
 		else
@@ -396,7 +395,6 @@ u32 ODM_Get_Rate_Bitmap(
 	case (ODM_WM_B|ODM_WM_G|ODM_WM_N24G):
 	case (ODM_WM_B|ODM_WM_N24G):
 	case (ODM_WM_G|ODM_WM_N24G):
-	case (ODM_WM_A|ODM_WM_N5G):
 		if (pDM_Odm->RFType == ODM_1T2R || pDM_Odm->RFType == ODM_1T1R) {
 			if (rssi_level == DM_RATR_STA_HIGH)
 				rate_bitmap = 0x000f0000;
@@ -422,34 +420,6 @@ u32 ODM_Get_Rate_Bitmap(
 		}
 		break;
 
-	case (ODM_WM_AC|ODM_WM_G):
-		if (rssi_level == 1)
-			rate_bitmap = 0xfc3f0000;
-		else if (rssi_level == 2)
-			rate_bitmap = 0xfffff000;
-		else
-			rate_bitmap = 0xffffffff;
-		break;
-
-	case (ODM_WM_AC|ODM_WM_A):
-
-		if (pDM_Odm->RFType == RF_1T1R) {
-			if (rssi_level == 1)				/*  add by Gary for ac-series */
-				rate_bitmap = 0x003f8000;
-			else if (rssi_level == 2)
-				rate_bitmap = 0x003ff000;
-			else
-				rate_bitmap = 0x003ff010;
-		} else {
-			if (rssi_level == 1)				/*  add by Gary for ac-series */
-				rate_bitmap = 0xfe3f8000;       /*  VHT 2SS MCS3~9 */
-			else if (rssi_level == 2)
-				rate_bitmap = 0xfffff000;       /*  VHT 2SS MCS0~9 */
-			else
-				rate_bitmap = 0xfffff010;       /*  All */
-		}
-		break;
-
 	default:
 		if (pDM_Odm->RFType == RF_1T2R)
 			rate_bitmap = 0x000fffff;
diff --git a/drivers/staging/rtl8723bs/hal/odm.h b/drivers/staging/rtl8723bs/hal/odm.h
index 950e7850bac2..7e2d3679c7d0 100644
--- a/drivers/staging/rtl8723bs/hal/odm.h
+++ b/drivers/staging/rtl8723bs/hal/odm.h
@@ -455,11 +455,8 @@ enum { /* tag_Wireless_Mode_Definition */
 	ODM_WM_UNKNOWN    = 0x0,
 	ODM_WM_B          = BIT0,
 	ODM_WM_G          = BIT1,
-	ODM_WM_A          = BIT2,
 	ODM_WM_N24G       = BIT3,
-	ODM_WM_N5G        = BIT4,
 	ODM_WM_AUTO       = BIT5,
-	ODM_WM_AC         = BIT6,
 };
 
 /*  ODM_CMNINFO_BAND */
diff --git a/drivers/staging/rtl8723bs/hal/odm_EdcaTurboCheck.c b/drivers/staging/rtl8723bs/hal/odm_EdcaTurboCheck.c
index f3856e47bfd3..578d5712645c 100644
--- a/drivers/staging/rtl8723bs/hal/odm_EdcaTurboCheck.c
+++ b/drivers/staging/rtl8723bs/hal/odm_EdcaTurboCheck.c
@@ -124,12 +124,10 @@ void odm_EdcaTurboCheckCE(void *pDM_VOID)
 		} else if ((iot_peer == HT_IOT_PEER_CISCO) &&
 			   ((wirelessmode == ODM_WM_G) ||
 			    (wirelessmode == (ODM_WM_B | ODM_WM_G)) ||
-			    (wirelessmode == ODM_WM_A) ||
 			    (wirelessmode == ODM_WM_B))) {
 			EDCA_BE_DL = edca_setting_DL_GMode[iot_peer];
 		} else if ((iot_peer == HT_IOT_PEER_AIRGO) &&
-			   ((wirelessmode == ODM_WM_G) ||
-			    (wirelessmode == ODM_WM_A))) {
+			   (wirelessmode == ODM_WM_G)) {
 			EDCA_BE_DL = 0xa630;
 		} else if (iot_peer == HT_IOT_PEER_MARVELL) {
 			EDCA_BE_DL = edca_setting_DL[iot_peer];
diff --git a/drivers/staging/rtl8723bs/hal/sdio_halinit.c b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
index 3738727feb60..a07a6dacec42 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_halinit.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
@@ -512,8 +512,6 @@ static void _InitOperationMode(struct adapter *padapter)
 	case WIRELESS_MODE_B:
 		regBwOpMode = BW_OPMODE_20MHZ;
 		break;
-	case WIRELESS_MODE_A:
-		break;
 	case WIRELESS_MODE_G:
 		regBwOpMode = BW_OPMODE_20MHZ;
 		break;
@@ -525,9 +523,6 @@ static void _InitOperationMode(struct adapter *padapter)
 		/*  CCK rate will be filtered out only when associated AP does not support it. */
 		regBwOpMode = BW_OPMODE_20MHZ;
 		break;
-	case WIRELESS_MODE_N_5G:
-		regBwOpMode = BW_OPMODE_5G;
-		break;
 
 	default: /* for MacOSX compiler warning. */
 		break;
diff --git a/drivers/staging/rtl8723bs/include/hal_phy.h b/drivers/staging/rtl8723bs/include/hal_phy.h
index 19221289b8ce..6417d1b758d2 100644
--- a/drivers/staging/rtl8723bs/include/hal_phy.h
+++ b/drivers/staging/rtl8723bs/include/hal_phy.h
@@ -51,13 +51,10 @@ enum rf_path {
 
 enum wireless_mode {
 	WIRELESS_MODE_UNKNOWN = 0x00,
-	WIRELESS_MODE_A = 0x01,
 	WIRELESS_MODE_B = 0x02,
 	WIRELESS_MODE_G = 0x04,
 	WIRELESS_MODE_AUTO = 0x08,
 	WIRELESS_MODE_N_24G = 0x10,
-	WIRELESS_MODE_N_5G = 0x20,
-	WIRELESS_MODE_AC_5G = 0x40,
 	WIRELESS_MODE_AC_24G  = 0x80,
 	WIRELESS_MODE_AC_ONLY  = 0x100,
 };
diff --git a/drivers/staging/rtl8723bs/include/ieee80211.h b/drivers/staging/rtl8723bs/include/ieee80211.h
index 6540c7a22938..ac88bd30b097 100644
--- a/drivers/staging/rtl8723bs/include/ieee80211.h
+++ b/drivers/staging/rtl8723bs/include/ieee80211.h
@@ -144,33 +144,20 @@ enum network_type {
 	/* Sub-Element */
 	WIRELESS_11B = BIT(0), /*  tx: cck only , rx: cck only, hw: cck */
 	WIRELESS_11G = BIT(1), /*  tx: ofdm only, rx: ofdm & cck, hw: cck & ofdm */
-	WIRELESS_11A = BIT(2), /*  tx: ofdm only, rx: ofdm only, hw: ofdm only */
 	WIRELESS_11_24N = BIT(3), /*  tx: MCS only, rx: MCS & cck, hw: MCS & cck */
-	WIRELESS_11_5N = BIT(4), /*  tx: MCS only, rx: MCS & ofdm, hw: ofdm only */
 	WIRELESS_AUTO = BIT(5),
-	WIRELESS_11AC = BIT(6),
 
 	/* Combination */
 	/* Type for current wireless mode */
 	WIRELESS_11BG = (WIRELESS_11B|WIRELESS_11G), /*  tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
 	WIRELESS_11G_24N = (WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
-	WIRELESS_11A_5N = (WIRELESS_11A|WIRELESS_11_5N), /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
 	WIRELESS_11B_24N = (WIRELESS_11B|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
 	WIRELESS_11BG_24N = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
-	WIRELESS_11_24AC = (WIRELESS_11G|WIRELESS_11AC),
-	WIRELESS_11_5AC = (WIRELESS_11A|WIRELESS_11AC),
-
-
-	/* Type for registry default wireless mode */
-	WIRELESS_11AGN = (WIRELESS_11A|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N), /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
-	WIRELESS_11ABGN = (WIRELESS_11A|WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N),
-	WIRELESS_MODE_24G = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11AC),
-	WIRELESS_MODE_MAX = (WIRELESS_11A|WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N|WIRELESS_11AC),
 };
 
 #define SUPPORTED_24G_NETTYPE_MSK (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
 
-#define IsLegacyOnly(NetType)  ((NetType) == ((NetType) & (WIRELESS_11BG|WIRELESS_11A)))
+#define IsLegacyOnly(NetType)  ((NetType) == ((NetType) & (WIRELESS_11BG)))
 
 #define IsSupported24G(NetType) ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
 
@@ -182,11 +169,8 @@ enum network_type {
 #define IsSupportedRxHT(NetType) IsEnableHWOFDM(NetType)
 
 #define IsSupportedTxCCK(NetType) (((NetType) & (WIRELESS_11B)) ? true : false)
-#define IsSupportedTxOFDM(NetType) (((NetType) & (WIRELESS_11G|WIRELESS_11A)) ? true : false)
-#define IsSupportedHT(NetType) (((NetType) & (WIRELESS_11_24N|WIRELESS_11_5N)) ? true : false)
-
-#define IsSupportedVHT(NetType) (((NetType) & (WIRELESS_11AC)) ? true : false)
-
+#define IsSupportedTxOFDM(NetType) (((NetType) & (WIRELESS_11G) ? true : false)
+#define IsSupportedHT(NetType) (((NetType) & (WIRELESS_11_24N)) ? true : false)
 
 struct ieee_param {
 	u32 cmd;
diff --git a/drivers/staging/rtl8723bs/include/wifi.h b/drivers/staging/rtl8723bs/include/wifi.h
index 23de3ab87f9c..0bd7b662b972 100644
--- a/drivers/staging/rtl8723bs/include/wifi.h
+++ b/drivers/staging/rtl8723bs/include/wifi.h
@@ -336,7 +336,6 @@ static inline int IsFrameTypeCtrl(unsigned char *pframe)
 #define _PRE_ALLOCICVHDR_		5
 #define _PRE_ALLOCMICHDR_		6
 
-#define _SIFSTIME_				((priv->pmib->dot11BssType.net_work_type&WIRELESS_11A)?16:10)
 #define _ACKCTSLNG_				14	/* 14 bytes long, including crclng */
 #define _CRCLNG_				4
 
diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
index 11b9a5919da4..4e7c115c8bc1 100644
--- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c
@@ -22,7 +22,7 @@ static int rtw_lbkmode;/* RTL8712_AIR_TRX; */
 static int rtw_network_mode = Ndis802_11IBSS;/* Ndis802_11Infrastructure;infra, ad-hoc, auto */
 /* struct ndis_802_11_ssid	ssid; */
 static int rtw_channel = 1;/* ad-hoc support requirement */
-static int rtw_wireless_mode = WIRELESS_MODE_MAX;
+static int rtw_wireless_mode = WIRELESS_11BG_24N;
 static int rtw_vrtl_carrier_sense = AUTO_VCS;
 static int rtw_vcs_type = RTS_CTS;/*  */
 static int rtw_rts_thresh = 2347;/*  */