From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sun, 26 Apr 2009 14:05:33 +0000 (+0200)
Subject: Staging: rt3070: remove dead DOT11N_DRAFT3 code
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=03ddd40f1451674e94f717e6a2bff58ddebf3eef;p=openwrt%2Fstaging%2Fblogic.git

Staging: rt3070: remove dead DOT11N_DRAFT3 code

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/rt3070/ap.h b/drivers/staging/rt3070/ap.h
index f5ba042e52ba..fb59ad09569a 100644
--- a/drivers/staging/rt3070/ap.h
+++ b/drivers/staging/rt3070/ap.h
@@ -159,9 +159,6 @@ USHORT APBuildAssociation(
     IN UCHAR  *pRSNLen,
     IN BOOLEAN bWmmCapable,
     IN ULONG  RalinkIe,
-#ifdef DOT11N_DRAFT3
-    IN EXT_CAP_INFO_ELEMENT ExtCapInfo,
-#endif // DOT11N_DRAFT3 //
 	IN HT_CAPABILITY_IE		*pHtCapability,
 	IN UCHAR		 HtCapabilityLen,
     OUT USHORT *pAid);
@@ -294,11 +291,6 @@ VOID SupportRate(
 BOOLEAN ApScanRunning(
 	IN PRTMP_ADAPTER pAd);
 
-#ifdef DOT11N_DRAFT3
-VOID APOverlappingBSSScan(
-	IN RTMP_ADAPTER *pAd);
-#endif // DOT11N_DRAFT3 //
-
 // ap_wpa.c
 
 VOID APWpaStateMachineInit(
@@ -491,9 +483,6 @@ BOOLEAN PeerAssocReqCmmSanity(
     OUT UCHAR *pRSNLen,
     OUT BOOLEAN *pbWmmCapable,
     OUT ULONG  *pRalinkIe,
-#ifdef DOT11N_DRAFT3
-    OUT EXT_CAP_INFO_ELEMENT	*pExtCapInfo,
-#endif // DOT11N_DRAFT3 //
     OUT UCHAR		 *pHtCapabilityLen,
     OUT HT_CAPABILITY_IE *pHtCapability);
 
diff --git a/drivers/staging/rt3070/common/action.c b/drivers/staging/rt3070/common/action.c
index b7a403294c33..e36f90f46a4c 100644
--- a/drivers/staging/rt3070/common/action.c
+++ b/drivers/staging/rt3070/common/action.c
@@ -308,321 +308,14 @@ VOID PeerBAAction(
 			break;
 	}
 }
-
-
-#ifdef DOT11N_DRAFT3
-
-#ifdef CONFIG_STA_SUPPORT
-VOID StaPublicAction(
-	IN PRTMP_ADAPTER pAd,
-	IN UCHAR Bss2040Coexist)
-{
-	BSS_2040_COEXIST_IE		BssCoexist;
-	MLME_SCAN_REQ_STRUCT			ScanReq;
-
-	BssCoexist.word = Bss2040Coexist;
-	// AP asks Station to return a 20/40 BSS Coexistence mgmt frame.  So we first starts a scan, then send back 20/40 BSS Coexistence mgmt frame
-	if ((BssCoexist.field.InfoReq == 1) && (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SCAN_2040)))
-	{
-		// Clear record first.  After scan , will update those bit and send back to transmiter.
-		pAd->CommonCfg.BSSCoexist2040.field.InfoReq = 1;
-		pAd->CommonCfg.BSSCoexist2040.field.Intolerant40 = 0;
-		pAd->CommonCfg.BSSCoexist2040.field.BSS20WidthReq = 0;
-		// Fill out stuff for scan request
-		ScanParmFill(pAd, &ScanReq, ZeroSsid, 0, BSS_ANY, SCAN_2040_BSS_COEXIST);
-		MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_MLME_SCAN_REQ, sizeof(MLME_SCAN_REQ_STRUCT), &ScanReq);
-		pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_LIST_SCAN;
-	}
-}
-
-
-/*
-Description : Build Intolerant Channel Rerpot from Trigger event table.
-return : how many bytes copied.
-*/
-ULONG BuildIntolerantChannelRep(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    PUCHAR  pDest)
-{
-	ULONG			FrameLen = 0;
-	ULONG			ReadOffset = 0;
-	UCHAR			i;
-	UCHAR			LastRegClass = 0xff;
-	PUCHAR			pLen;
-
-	for ( i = 0;i < MAX_TRIGGER_EVENT;i++)
-	{
-		if (pAd->CommonCfg.TriggerEventTab.EventA[i].bValid == TRUE)
-		{
-			if (pAd->CommonCfg.TriggerEventTab.EventA[i].RegClass == LastRegClass)
-			{
-				*(pDest + ReadOffset) = (UCHAR)pAd->CommonCfg.TriggerEventTab.EventA[i].Channel;
-				*pLen++;
-				ReadOffset++;
-				FrameLen++;
-			}
-			else
-			{
-				*(pDest + ReadOffset) = IE_2040_BSS_INTOLERANT_REPORT;  // IE
-				*(pDest + ReadOffset + 1) = 2;	// Len = RegClass byte + channel byte.
-				pLen = pDest + ReadOffset + 1;
-				LastRegClass = pAd->CommonCfg.TriggerEventTab.EventA[i].RegClass;
-				*(pDest + ReadOffset + 2) = LastRegClass;	// Len = RegClass byte + channel byte.
-				*(pDest + ReadOffset + 3) = (UCHAR)pAd->CommonCfg.TriggerEventTab.EventA[i].Channel;
-				FrameLen += 4;
-				ReadOffset += 4;
-			}
-
-		}
-	}
-	return FrameLen;
-}
-
-
-/*
-Description : Send 20/40 BSS Coexistence Action frame If one trigger event is triggered.
-*/
-VOID Send2040CoexistAction(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN	BOOLEAN	bAddIntolerantCha)
-{
-	PUCHAR			pOutBuffer = NULL;
-	NDIS_STATUS 	NStatus;
-	FRAME_ACTION_HDR	Frame;
-	ULONG			FrameLen;
-	ULONG			IntolerantChaRepLen;
-
-	IntolerantChaRepLen = 0;
-	NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
-	if(NStatus != NDIS_STATUS_SUCCESS)
-	{
-		DBGPRINT(RT_DEBUG_ERROR,("ACT - Send2040CoexistAction() allocate memory failed \n"));
-		return;
-	}
-	ActHeaderInit(pAd, &Frame.Hdr, pAd->MacTab.Content[Wcid].Addr, pAd->CommonCfg.Bssid);
-	Frame.Category = CATEGORY_PUBLIC;
-	Frame.Action = ACTION_BSS_2040_COEXIST;
-
-	MakeOutgoingFrame(pOutBuffer,				&FrameLen,
-				  sizeof(FRAME_ACTION_HDR),	  &Frame,
-				  END_OF_ARGS);
-
-	*(pOutBuffer + FrameLen) = pAd->CommonCfg.BSSCoexist2040.word;
-	FrameLen++;
-
-	if (bAddIntolerantCha == TRUE)
-		IntolerantChaRepLen = BuildIntolerantChannelRep(pAd, pOutBuffer + FrameLen);
-
-	MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen + IntolerantChaRepLen);
-	DBGPRINT(RT_DEBUG_ERROR,("ACT - Send2040CoexistAction( BSSCoexist2040 = 0x%x )  \n", pAd->CommonCfg.BSSCoexist2040.word));
-
-}
-
-
-/*
-	==========================================================================
-	Description:
-	After scan, Update 20/40 BSS Coexistence IE and send out.
-	According to 802.11n D3.03 11.14.10
-
-	Parameters:
-	==========================================================================
- */
-VOID Update2040CoexistFrameAndNotify(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN	BOOLEAN	bAddIntolerantCha)
-{
-	BSS_2040_COEXIST_IE	OldValue;
-
-	OldValue.word = pAd->CommonCfg.BSSCoexist2040.word;
-	if ((pAd->CommonCfg.TriggerEventTab.EventANo > 0) || (pAd->CommonCfg.TriggerEventTab.EventBCountDown > 0))
-		pAd->CommonCfg.BSSCoexist2040.field.BSS20WidthReq = 1;
-
-	// Need to check !!!!
-	// How STA will set Intolerant40 if implementation dependent. Now we don't set this bit first.!!!!!
-	// So Only check BSS20WidthReq change.
-	if (OldValue.field.BSS20WidthReq != pAd->CommonCfg.BSSCoexist2040.field.BSS20WidthReq)
-	{
-		Send2040CoexistAction(pAd, Wcid, bAddIntolerantCha);
-	}
-}
-#endif // CONFIG_STA_SUPPORT //
-
-
-BOOLEAN ChannelSwitchSanityCheck(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN    UCHAR  NewChannel,
-	IN    UCHAR  Secondary)
-{
-	UCHAR		i;
-
-	if (Wcid >= MAX_LEN_OF_MAC_TABLE)
-		return FALSE;
-
-	if ((NewChannel > 7) && (Secondary == 1))
-		return FALSE;
-
-	if ((NewChannel < 5) && (Secondary == 3))
-		return FALSE;
-
-	// 0. Check if new channel is in the channellist.
-	for (i = 0;i < pAd->ChannelListNum;i++)
-	{
-		if (pAd->ChannelList[i].Channel == NewChannel)
-		{
-			break;
-		}
-	}
-
-	if (i == pAd->ChannelListNum)
-		return FALSE;
-
-	return TRUE;
-}
-
-
-VOID ChannelSwitchAction(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN    UCHAR  NewChannel,
-	IN    UCHAR  Secondary)
-{
-	UCHAR		BBPValue = 0;
-	ULONG		MACValue;
-
-	DBGPRINT(RT_DEBUG_TRACE,("SPECTRUM - ChannelSwitchAction(NewChannel = %d , Secondary = %d)  \n", NewChannel, Secondary));
-
-	if (ChannelSwitchSanityCheck(pAd, Wcid, NewChannel, Secondary) == FALSE)
-		return;
-
-	// 1.  Switches to BW = 20.
-	if (Secondary == 0)
-	{
-		RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
-		BBPValue&= (~0x18);
-		RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
-		if (pAd->MACVersion == 0x28600100)
-		{
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R69, 0x16);
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R70, 0x08);
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R73, 0x11);
-			DBGPRINT(RT_DEBUG_TRACE, ("!!!rt2860C !!! \n" ));
-		}
-		pAd->CommonCfg.BBPCurrentBW = BW_20;
-		pAd->CommonCfg.Channel = NewChannel;
-		pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
-		AsicSwitchChannel(pAd, pAd->CommonCfg.Channel,FALSE);
-		AsicLockChannel(pAd, pAd->CommonCfg.Channel);
-		pAd->MacTab.Content[Wcid].HTPhyMode.field.BW = 0;
-		DBGPRINT(RT_DEBUG_TRACE, ("!!!20MHz   !!! \n" ));
-	}
-	// 1.  Switches to BW = 40 And Station supports BW = 40.
-	else if (((Secondary == 1) || (Secondary == 3)) && (pAd->CommonCfg.HtCapability.HtCapInfo.ChannelWidth == 1))
-	{
-		pAd->CommonCfg.Channel = NewChannel;
-
-		if (Secondary == 1)
-		{
-			// Secondary above.
-			pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel + 2;
-			RTMP_IO_READ32(pAd, TX_BAND_CFG, &MACValue);
-			MACValue &= 0xfe;
-			RTMP_IO_WRITE32(pAd, TX_BAND_CFG, MACValue);
-			RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
-			BBPValue&= (~0x18);
-			BBPValue|= (0x10);
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
-			RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &BBPValue);
-			BBPValue&= (~0x20);
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, BBPValue);
-			DBGPRINT(RT_DEBUG_TRACE, ("!!!40MHz Lower LINK UP !!! Control Channel at Below. Central = %d \n", pAd->CommonCfg.CentralChannel ));
-		}
-		else
-		{
-			// Secondary below.
-			pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel - 2;
-			RTMP_IO_READ32(pAd, TX_BAND_CFG, &MACValue);
-			MACValue &= 0xfe;
-			MACValue |= 0x1;
-			RTMP_IO_WRITE32(pAd, TX_BAND_CFG, MACValue);
-			RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
-			BBPValue&= (~0x18);
-			BBPValue|= (0x10);
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
-			RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &BBPValue);
-			BBPValue&= (~0x20);
-			BBPValue|= (0x20);
-			RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, BBPValue);
-			DBGPRINT(RT_DEBUG_TRACE, ("!!!40MHz Upper LINK UP !!! Control Channel at UpperCentral = %d \n", pAd->CommonCfg.CentralChannel ));
-		}
-		pAd->CommonCfg.BBPCurrentBW = BW_40;
-		AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
-		AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
-		pAd->MacTab.Content[Wcid].HTPhyMode.field.BW = 1;
-	}
-}
-#endif // DOT11N_DRAFT3 //
 #endif // DOT11_N_SUPPORT //
 
 VOID PeerPublicAction(
 	IN PRTMP_ADAPTER pAd,
 	IN MLME_QUEUE_ELEM *Elem)
 {
-#ifdef DOT11N_DRAFT3
-	UCHAR	Action = Elem->Msg[LENGTH_802_11+1];
-#endif // DOT11N_DRAFT3 //
-
 	if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
 		return;
-
-#ifdef DOT11N_DRAFT3
-	switch(Action)
-	{
-		case ACTION_BSS_2040_COEXIST:	// Format defined in IEEE 7.4.7a.1 in 11n Draf3.03
-			{
-				//UCHAR	BssCoexist;
-				BSS_2040_COEXIST_ELEMENT		*pCoexistInfo;
-				BSS_2040_COEXIST_IE 			*pBssCoexistIe;
-				BSS_2040_INTOLERANT_CH_REPORT	*pIntolerantReport = NULL;
-
-				if (Elem->MsgLen <= (LENGTH_802_11 + sizeof(BSS_2040_COEXIST_ELEMENT)) )
-				{
-					DBGPRINT(RT_DEBUG_ERROR, ("ACTION - 20/40 BSS Coexistence Management Frame length too short! len = %ld!\n", Elem->MsgLen));
-					break;
-				}
-				DBGPRINT(RT_DEBUG_TRACE, ("ACTION - 20/40 BSS Coexistence Management action----> \n"));
-				hex_dump("CoexistenceMgmtFrame", Elem->Msg, Elem->MsgLen);
-
-
-				pCoexistInfo = (BSS_2040_COEXIST_ELEMENT *) &Elem->Msg[LENGTH_802_11+2];
-				//hex_dump("CoexistInfo", (PUCHAR)pCoexistInfo, sizeof(BSS_2040_COEXIST_ELEMENT));
-				if (Elem->MsgLen >= (LENGTH_802_11 + sizeof(BSS_2040_COEXIST_ELEMENT) + sizeof(BSS_2040_INTOLERANT_CH_REPORT)))
-				{
-					pIntolerantReport = (BSS_2040_INTOLERANT_CH_REPORT *)((PUCHAR)pCoexistInfo + sizeof(BSS_2040_COEXIST_ELEMENT));
-				}
-				//hex_dump("IntolerantReport ", (PUCHAR)pIntolerantReport, sizeof(BSS_2040_INTOLERANT_CH_REPORT));
-
-				pBssCoexistIe = (BSS_2040_COEXIST_IE *)(&pCoexistInfo->BssCoexistIe);
-
-#ifdef CONFIG_STA_SUPPORT
-				IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
-				{
-					if (INFRA_ON(pAd))
-					{
-						StaPublicAction(pAd, pCoexistInfo);
-					}
-				}
-#endif // CONFIG_STA_SUPPORT //
-
-			}
-			break;
-	}
-
-#endif // DOT11N_DRAFT3 //
-
 }
 
 
@@ -701,51 +394,6 @@ static VOID respond_ht_information_exchange_action(
 	MlmeFreeMemory(pAd, pOutBuffer);
 }
 
-
-#ifdef DOT11N_DRAFT3
-VOID SendNotifyBWActionFrame(
-	IN PRTMP_ADAPTER pAd,
-	IN UCHAR  Wcid,
-	IN UCHAR apidx)
-{
-	PUCHAR			pOutBuffer = NULL;
-	NDIS_STATUS 	NStatus;
-	FRAME_ACTION_HDR	Frame;
-	ULONG			FrameLen;
-	PUCHAR			pAddr1;
-
-
-	NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
-	if(NStatus != NDIS_STATUS_SUCCESS)
-	{
-		DBGPRINT(RT_DEBUG_ERROR,("ACT - SendNotifyBWAction() allocate memory failed \n"));
-		return;
-	}
-
-	if (Wcid == MCAST_WCID)
-		pAddr1 = &BROADCAST_ADDR[0];
-	else
-		pAddr1 = pAd->MacTab.Content[Wcid].Addr;
-	ActHeaderInit(pAd, &Frame.Hdr, pAddr1, pAd->ApCfg.MBSSID[apidx].Bssid, pAd->ApCfg.MBSSID[apidx].Bssid);
-
-	Frame.Category = CATEGORY_HT;
-	Frame.Action = NOTIFY_BW_ACTION;
-
-	MakeOutgoingFrame(pOutBuffer,				&FrameLen,
-				  sizeof(FRAME_ACTION_HDR),	  &Frame,
-				  END_OF_ARGS);
-
-	*(pOutBuffer + FrameLen) = pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth;
-	FrameLen++;
-
-
-	MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
-	DBGPRINT(RT_DEBUG_TRACE,("ACT - SendNotifyBWAction(NotifyBW= %d)!\n", pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth));
-
-}
-#endif // DOT11N_DRAFT3 //
-
-
 VOID PeerHTAction(
 	IN PRTMP_ADAPTER pAd,
 	IN MLME_QUEUE_ELEM *Elem)
diff --git a/drivers/staging/rt3070/common/cmm_data.c b/drivers/staging/rt3070/common/cmm_data.c
index 93503b50c821..319480861d0c 100644
--- a/drivers/staging/rt3070/common/cmm_data.c
+++ b/drivers/staging/rt3070/common/cmm_data.c
@@ -1174,10 +1174,6 @@ VOID RTMPWriteTxWI(
 
 	// If CCK or OFDM, BW must be 20
 	pTxWI->BW = (pTransmit->field.MODE <= MODE_OFDM) ? (BW_20) : (pTransmit->field.BW);
-#ifdef DOT11N_DRAFT3
-	if (pTxWI->BW)
-		pTxWI->BW = (pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth == 0) ? (BW_20) : (pTransmit->field.BW);
-#endif // DOT11N_DRAFT3 //
 
 	pTxWI->MCS = pTransmit->field.MCS;
 	pTxWI->PHYMODE = pTransmit->field.MODE;
@@ -1257,10 +1253,6 @@ VOID RTMPWriteTxWI_Data(
 	// If CCK or OFDM, BW must be 20
 	pTxWI->BW = (pTransmit->field.MODE <= MODE_OFDM) ? (BW_20) : (pTransmit->field.BW);
 #ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-	if (pTxWI->BW)
-		pTxWI->BW = (pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth == 0) ? (BW_20) : (pTransmit->field.BW);
-#endif // DOT11N_DRAFT3 //
 	pTxWI->AMPDU	= ((pTxBlk->TxFrameType == TX_AMPDU_FRAME) ? TRUE : FALSE);
 
 	// John tune the performace with Intel Client in 20 MHz performance
@@ -1371,11 +1363,6 @@ VOID RTMPWriteTxWI_Cache(
 	pTxWI->AMPDU = ((pMacEntry->NoBADataCountDown == 0) ? TRUE: FALSE);
 	pTxWI->MIMOps = 0;
 
-#ifdef DOT11N_DRAFT3
-	if (pTxWI->BW)
-		pTxWI->BW = (pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth == 0) ? (BW_20) : (pTransmit->field.BW);
-#endif // DOT11N_DRAFT3 //
-
 	if (pAd->CommonCfg.bMIMOPSEnable)
 	{
 		// MIMO Power Save Mode
diff --git a/drivers/staging/rt3070/common/cmm_sanity.c b/drivers/staging/rt3070/common/cmm_sanity.c
index 95d0a0ebd604..4df3580180af 100644
--- a/drivers/staging/rt3070/common/cmm_sanity.c
+++ b/drivers/staging/rt3070/common/cmm_sanity.c
@@ -786,76 +786,6 @@ BOOLEAN PeerBeaconAndProbeRspSanity(
 
 }
 
-#ifdef DOT11N_DRAFT3
-/*
-	==========================================================================
-	Description:
-		MLME message sanity check for some IE addressed  in 802.11n d3.03.
-	Return:
-		TRUE if all parameters are OK, FALSE otherwise
-
-	IRQL = DISPATCH_LEVEL
-
-	==========================================================================
- */
-BOOLEAN PeerBeaconAndProbeRspSanity2(
-	IN PRTMP_ADAPTER pAd,
-	IN VOID *Msg,
-	IN ULONG MsgLen,
-	OUT UCHAR 	*RegClass)
-{
-	CHAR				*Ptr;
-	PFRAME_802_11		pFrame;
-	PEID_STRUCT			pEid;
-	ULONG				Length = 0;
-
-	pFrame = (PFRAME_802_11)Msg;
-
-	*RegClass = 0;
-	Ptr = pFrame->Octet;
-	Length += LENGTH_802_11;
-
-	// get timestamp from payload and advance the pointer
-	Ptr += TIMESTAMP_LEN;
-	Length += TIMESTAMP_LEN;
-
-	// get beacon interval from payload and advance the pointer
-	Ptr += 2;
-	Length += 2;
-
-	// get capability info from payload and advance the pointer
-	Ptr += 2;
-	Length += 2;
-
-	pEid = (PEID_STRUCT) Ptr;
-
-	// get variable fields from payload and advance the pointer
-	while ((Length + 2 + pEid->Len) <= MsgLen)
-	{
-		switch(pEid->Eid)
-		{
-			case IE_SUPP_REG_CLASS:
-				if(pEid->Len > 0)
-				{
-					*RegClass = *pEid->Octet;
-				}
-				else
-				{
-					DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAndProbeRspSanity - wrong IE_SSID (len=%d)\n",pEid->Len));
-					return FALSE;
-				}
-				break;
-		}
-
-		Length = Length + 2 + pEid->Len;  // Eid[1] + Len[1]+ content[Len]
-		pEid = (PEID_STRUCT)((UCHAR*)pEid + 2 + pEid->Len);
-	}
-
-	return TRUE;
-
-}
-#endif // DOT11N_DRAFT3 //
-
 /*
     ==========================================================================
     Description:
diff --git a/drivers/staging/rt3070/common/cmm_sync.c b/drivers/staging/rt3070/common/cmm_sync.c
index 1d6954ef1213..5dfbb7fc502d 100644
--- a/drivers/staging/rt3070/common/cmm_sync.c
+++ b/drivers/staging/rt3070/common/cmm_sync.c
@@ -639,21 +639,6 @@ VOID ScanNextChannel(
 #endif // RT_BIG_ENDIAN //
 				}
 				FrameLen += Tmp;
-
-#ifdef DOT11N_DRAFT3
-				if (pAd->CommonCfg.BACapability.field.b2040CoexistScanSup == 1)
-				{
-					ULONG		Tmp;
-					HtLen = 1;
-					MakeOutgoingFrame(pOutBuffer + FrameLen,            &Tmp,
-									  1,					&ExtHtCapIe,
-									  1,					&HtLen,
-									  1,          			&pAd->CommonCfg.BSSCoexist2040.word,
-									  END_OF_ARGS);
-
-					FrameLen += Tmp;
-				}
-#endif // DOT11N_DRAFT3 //
 			}
 #endif // DOT11_N_SUPPORT //
 
diff --git a/drivers/staging/rt3070/common/mlme.c b/drivers/staging/rt3070/common/mlme.c
index d15e9da6f39e..daf040e5d252 100644
--- a/drivers/staging/rt3070/common/mlme.c
+++ b/drivers/staging/rt3070/common/mlme.c
@@ -346,9 +346,6 @@ UCHAR  ExtRateIe = IE_EXT_SUPP_RATES;
 UCHAR  HtCapIe = IE_HT_CAP;
 UCHAR  AddHtInfoIe = IE_ADD_HT;
 UCHAR  NewExtChanIe = IE_SECONDARY_CH_OFFSET;
-#ifdef DOT11N_DRAFT3
-UCHAR  ExtHtCapIe = IE_EXT_CAPABILITY;
-#endif // DOT11N_DRAFT3 //
 #endif // DOT11_N_SUPPORT //
 UCHAR  ErpIe	 = IE_ERP;
 UCHAR  DsIe 	 = IE_DS_PARM;
@@ -1208,14 +1205,6 @@ SKIP_AUTO_SCAN_CONN:
 	}
 #endif // DOT11_N_SUPPORT //
 
-
-#ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-	if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SCAN_2040))
-		TriEventCounterMaintenance(pAd);
-#endif // DOT11N_DRAFT3 //
-#endif // DOT11_N_SUPPORT //
-
 	return;
 }
 
@@ -3792,111 +3781,6 @@ ULONG BssTableSetEntry(
 }
 
 #ifdef CONFIG_STA_SUPPORT
-#ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-VOID  TriEventInit(
-	IN	PRTMP_ADAPTER	pAd)
-{
-	UCHAR		i;
-
-	for (i = 0;i < MAX_TRIGGER_EVENT;i++)
-		pAd->CommonCfg.TriggerEventTab.EventA[i].bValid = FALSE;
-
-	pAd->CommonCfg.TriggerEventTab.EventANo = 0;
-	pAd->CommonCfg.TriggerEventTab.EventBCountDown = 0;
-}
-
-ULONG TriEventTableSetEntry(
-	IN	PRTMP_ADAPTER	pAd,
-	OUT TRIGGER_EVENT_TAB *Tab,
-	IN PUCHAR pBssid,
-	IN HT_CAPABILITY_IE *pHtCapability,
-	IN UCHAR			HtCapabilityLen,
-	IN UCHAR			RegClass,
-	IN UCHAR ChannelNo)
-{
-	// Event A
-	if (HtCapabilityLen == 0)
-	{
-		if (Tab->EventANo < MAX_TRIGGER_EVENT)
-		{
-			RTMPMoveMemory(Tab->EventA[Tab->EventANo].BSSID, pBssid, 6);
-			Tab->EventA[Tab->EventANo].bValid = TRUE;
-			Tab->EventA[Tab->EventANo].Channel = ChannelNo;
-			Tab->EventA[Tab->EventANo].CDCounter = pAd->CommonCfg.Dot11BssWidthChanTranDelay;
-			if (RegClass != 0)
-			{
-				// Beacon has Regulatory class IE. So use beacon's
-				Tab->EventA[Tab->EventANo].RegClass = RegClass;
-			}
-			else
-			{
-				// Use Station's Regulatory class instead.
-				if (pAd->StaActive.SupportedHtPhy.bHtEnable == TRUE)
-				{
-					if (pAd->CommonCfg.CentralChannel > pAd->CommonCfg.Channel)
-					{
-						Tab->EventA[Tab->EventANo].RegClass = 32;
-					}
-					else if (pAd->CommonCfg.CentralChannel < pAd->CommonCfg.Channel)
-						Tab->EventA[Tab->EventANo].RegClass = 33;
-				}
-				else
-					Tab->EventA[Tab->EventANo].RegClass = ??;
-
-			}
-
-			Tab->EventANo ++;
-		}
-	}
-	else if (pHtCapability->HtCapInfo.Intolerant40)
-	{
-		Tab->EventBCountDown = pAd->CommonCfg.Dot11BssWidthChanTranDelay;
-	}
-
-}
-
-/*
-	========================================================================
-	Routine Description:
-		Trigger Event table Maintainence called once every second.
-
-	Arguments:
-	// IRQL = DISPATCH_LEVEL
-	========================================================================
-*/
-VOID TriEventCounterMaintenance(
-	IN	PRTMP_ADAPTER	pAd)
-{
-	UCHAR		i;
-	BOOLEAN			bNotify = FALSE;
-	for (i = 0;i < MAX_TRIGGER_EVENT;i++)
-	{
-		if (pAd->CommonCfg.TriggerEventTab.EventA[i].bValid && (pAd->CommonCfg.TriggerEventTab.EventA[i].CDCounter > 0))
-		{
-			pAd->CommonCfg.TriggerEventTab.EventA[i].CDCounter--;
-			if (pAd->CommonCfg.TriggerEventTab.EventA[i].CDCounter == 0)
-			{
-				pAd->CommonCfg.TriggerEventTab.EventA[i].bValid = FALSE;
-				pAd->CommonCfg.TriggerEventTab.EventANo --;
-				// Need to send 20/40 Coexistence Notify frame if has status change.
-				bNotify = TRUE;
-			}
-		}
-	}
-	if (pAd->CommonCfg.TriggerEventTab.EventBCountDown > 0)
-	{
-		pAd->CommonCfg.TriggerEventTab.EventBCountDown--;
-		if (pAd->CommonCfg.TriggerEventTab.EventBCountDown == 0)
-			bNotify = TRUE;
-	}
-
-	if (bNotify == TRUE)
-		Update2040CoexistFrameAndNotify(pAd, BSSID_WCID, TRUE);
-}
-#endif // DOT11N_DRAFT3 //
-#endif // DOT11_N_SUPPORT //
-
 // IRQL = DISPATCH_LEVEL
 VOID BssTableSsidSort(
 	IN	PRTMP_ADAPTER	pAd,
diff --git a/drivers/staging/rt3070/common/rtmp_init.c b/drivers/staging/rt3070/common/rtmp_init.c
index 68028f67dabb..a4e8b3bc48b2 100644
--- a/drivers/staging/rt3070/common/rtmp_init.c
+++ b/drivers/staging/rt3070/common/rtmp_init.c
@@ -3305,17 +3305,6 @@ VOID	UserCfgInit(
 	pAd->bBroadComHT = FALSE;
 	pAd->CommonCfg.bRdg = FALSE;
 
-#ifdef DOT11N_DRAFT3
-	pAd->CommonCfg.Dot11OBssScanPassiveDwell = dot11OBSSScanPassiveDwell;	// Unit : TU. 5~1000
-	pAd->CommonCfg.Dot11OBssScanActiveDwell = dot11OBSSScanActiveDwell;	// Unit : TU. 10~1000
-	pAd->CommonCfg.Dot11BssWidthTriggerScanInt = dot11BSSWidthTriggerScanInterval;	// Unit : Second
-	pAd->CommonCfg.Dot11OBssScanPassiveTotalPerChannel = dot11OBSSScanPassiveTotalPerChannel;	// Unit : TU. 200~10000
-	pAd->CommonCfg.Dot11OBssScanActiveTotalPerChannel = dot11OBSSScanActiveTotalPerChannel;	// Unit : TU. 20~10000
-	pAd->CommonCfg.Dot11BssWidthChanTranDelayFactor = dot11BSSWidthChannelTransactionDelayFactor;
-	pAd->CommonCfg.Dot11OBssScanActivityThre = dot11BSSScanActivityThreshold;	// Unit : percentage
-	pAd->CommonCfg.Dot11BssWidthChanTranDelay = (pAd->CommonCfg.Dot11BssWidthTriggerScanInt * pAd->CommonCfg.Dot11BssWidthChanTranDelayFactor);
-#endif  // DOT11N_DRAFT3 //
-
 	NdisZeroMemory(&pAd->CommonCfg.AddHTInfo, sizeof(pAd->CommonCfg.AddHTInfo));
 	pAd->CommonCfg.BACapability.field.MMPSmode = MMPS_ENABLE;
 	pAd->CommonCfg.BACapability.field.MpduDensity = 0;
diff --git a/drivers/staging/rt3070/common/spectrum.c b/drivers/staging/rt3070/common/spectrum.c
index df68d955affa..2762b57dd14f 100644
--- a/drivers/staging/rt3070/common/spectrum.c
+++ b/drivers/staging/rt3070/common/spectrum.c
@@ -1734,28 +1734,6 @@ VOID PeerSpectrumAction(
 
 		case SPEC_CHANNEL_SWITCH:
 {
-#ifdef DOT11N_DRAFT3
-				SEC_CHA_OFFSET_IE	Secondary;
-				CHA_SWITCH_ANNOUNCE_IE	ChannelSwitch;
-
-				// 802.11h only has Channel Switch Announcement IE.
-				RTMPMoveMemory(&ChannelSwitch, &Elem->Msg[LENGTH_802_11+4], sizeof (CHA_SWITCH_ANNOUNCE_IE));
-
-				// 802.11n D3.03 adds secondary channel offset element in the end.
-				if (Elem->MsgLen ==  (LENGTH_802_11 + 2 + sizeof (CHA_SWITCH_ANNOUNCE_IE) + sizeof (SEC_CHA_OFFSET_IE)))
-				{
-					RTMPMoveMemory(&Secondary, &Elem->Msg[LENGTH_802_11+9], sizeof (SEC_CHA_OFFSET_IE));
-				}
-				else
-				{
-					Secondary.SecondaryChannelOffset = 0;
-				}
-
-				if ((Elem->Msg[LENGTH_802_11+2] == IE_CHANNEL_SWITCH_ANNOUNCEMENT) && (Elem->Msg[LENGTH_802_11+3] == 3))
-				{
-					ChannelSwitchAction(pAd, Elem->Wcid, ChannelSwitch.NewChannel, Secondary.SecondaryChannelOffset);
-				}
-#endif // DOT11N_DRAFT3 //
 }
 			PeerChSwAnnAction(pAd, Elem);
 			break;
diff --git a/drivers/staging/rt3070/mlme.h b/drivers/staging/rt3070/mlme.h
index 50e83dc63313..c530282ad8f0 100644
--- a/drivers/staging/rt3070/mlme.h
+++ b/drivers/staging/rt3070/mlme.h
@@ -134,10 +134,6 @@
 #define	SCAN_CISCO_CHANNEL_LOAD			 23		// Single channel passive scan for channel load collection
 #define FAST_SCAN_ACTIVE                 24		// scan with probe request, and wait beacon and probe response
 
-#ifdef DOT11N_DRAFT3
-#define SCAN_2040_BSS_COEXIST                  26
-#endif // DOT11N_DRAFT3 //
-
 //#define BSS_TABLE_EMPTY(x)             ((x).BssNr == 0)
 #define MAC_ADDR_IS_GROUP(Addr)       (((Addr[0]) & 0x01))
 #define MAC_ADDR_HASH(Addr)            (Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
diff --git a/drivers/staging/rt3070/rtmp.h b/drivers/staging/rt3070/rtmp.h
index d754886d00dd..c8f815115480 100644
--- a/drivers/staging/rt3070/rtmp.h
+++ b/drivers/staging/rt3070/rtmp.h
@@ -240,9 +240,6 @@ extern UCHAR  ExtRateIe;
 extern UCHAR  HtCapIe;
 extern UCHAR  AddHtInfoIe;
 extern UCHAR  NewExtChanIe;
-#ifdef DOT11N_DRAFT3
-extern UCHAR  ExtHtCapIe;
-#endif // DOT11N_DRAFT3 //
 #endif // DOT11_N_SUPPORT //
 
 extern UCHAR  ErpIe;
@@ -1278,9 +1275,6 @@ typedef struct _BBP_R66_TUNING {
 typedef struct _CHANNEL_TX_POWER {
 	USHORT     RemainingTimeForUse;		//unit: sec
 	UCHAR      Channel;
-#ifdef DOT11N_DRAFT3
-	BOOLEAN       bEffectedChannel;	// For BW 40 operating in 2.4GHz , the "effected channel" is the channel that is covered in 40Mhz.
-#endif // DOT11N_DRAFT3 //
 	CHAR       Power;
 	CHAR       Power2;
 	UCHAR      MaxTxPwr;
@@ -1726,17 +1720,6 @@ typedef struct _MULTISSID_STRUCT {
 	UCHAR					BcnBufIdx;
 } MULTISSID_STRUCT, *PMULTISSID_STRUCT;
 
-
-
-#ifdef DOT11N_DRAFT3
-typedef enum _BSS2040COEXIST_FLAG{
-	BSS_2040_COEXIST_DISABLE = 0,
-	BSS_2040_COEXIST_TIMER_FIRED  = 1,
-	BSS_2040_COEXIST_INFO_SYNC = 2,
-	BSS_2040_COEXIST_INFO_NOTIFY = 4,
-}BSS2040COEXIST_FLAG;
-#endif // DOT11N_DRAFT3 //
-
 // configuration common to OPMODE_AP as well as OPMODE_STA
 typedef struct _COMMON_CONFIG {
 
@@ -1853,33 +1836,6 @@ typedef struct _COMMON_CONFIG {
 	//This IE is included in channel switch ammouncement frames 7.4.1.5, beacons, probe Rsp.
 	NEW_EXT_CHAN_IE	NewExtChanOffset;	//7.3.2.20A, 1 if extension channel is above the control channel, 3 if below, 0 if not present
 
-#ifdef DOT11N_DRAFT3
-	UCHAR					Bss2040CoexistFlag;		// bit 0: bBssCoexistTimerRunning, bit 1: NeedSyncAddHtInfo.
-	RALINK_TIMER_STRUCT	Bss2040CoexistTimer;
-
-	//This IE is used for 20/40 BSS Coexistence.
-	BSS_2040_COEXIST_IE		BSS2040CoexistInfo;
-	// ====== 11n D3.0 =======================>
-	USHORT					Dot11OBssScanPassiveDwell;				// Unit : TU. 5~1000
-	USHORT					Dot11OBssScanActiveDwell;				// Unit : TU. 10~1000
-	USHORT					Dot11BssWidthTriggerScanInt;			// Unit : Second
-	USHORT					Dot11OBssScanPassiveTotalPerChannel;	// Unit : TU. 200~10000
-	USHORT					Dot11OBssScanActiveTotalPerChannel;	// Unit : TU. 20~10000
-	USHORT					Dot11BssWidthChanTranDelayFactor;
-	USHORT					Dot11OBssScanActivityThre;				// Unit : percentage
-
-	ULONG					Dot11BssWidthChanTranDelay;			// multiple of (Dot11BssWidthTriggerScanInt * Dot11BssWidthChanTranDelayFactor)
-	ULONG					CountDownCtr;	// CountDown Counter from (Dot11BssWidthTriggerScanInt * Dot11BssWidthChanTranDelayFactor)
-
-	NDIS_SPIN_LOCK          TriggerEventTabLock;
-	BSS_2040_COEXIST_IE		LastBSSCoexist2040;
-	BSS_2040_COEXIST_IE		BSSCoexist2040;
-	TRIGGER_EVENT_TAB		TriggerEventTab;
-	UCHAR					ChannelListIdx;
-	// <====== 11n D3.0 =======================
-	BOOLEAN					bOverlapScanning;
-#endif // DOT11N_DRAFT3 //
-
     BOOLEAN                 bHTProtect;
     BOOLEAN                 bMIMOPSEnable;
     BOOLEAN					bBADecline;
@@ -2308,10 +2264,6 @@ typedef struct _MAC_TABLE_ENTRY {
 	UCHAR		MmpsMode;	// MIMO power save more.
 
 	HT_CAPABILITY_IE		HTCapability;
-
-#ifdef DOT11N_DRAFT3
-	UCHAR		BSS2040CoexistenceMgmtSupport;
-#endif // DOT11N_DRAFT3 //
 #endif // DOT11_N_SUPPORT //
 
 	BOOLEAN		bAutoTxRateSwitch;
@@ -3629,46 +3581,6 @@ VOID SendPSMPAction(
 	IN UCHAR			Wcid,
 	IN UCHAR			Psmp);
 
-
-#ifdef DOT11N_DRAFT3
-VOID SendBSS2040CoexistMgmtAction(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	UCHAR	Wcid,
-	IN	UCHAR	apidx,
-	IN	UCHAR	InfoReq);
-
-VOID SendNotifyBWActionFrame(
-	IN PRTMP_ADAPTER pAd,
-	IN UCHAR  Wcid,
-	IN UCHAR apidx);
-
-BOOLEAN ChannelSwitchSanityCheck(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN    UCHAR  NewChannel,
-	IN    UCHAR  Secondary);
-
-VOID ChannelSwitchAction(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN    UCHAR  Channel,
-	IN    UCHAR  Secondary);
-
-ULONG BuildIntolerantChannelRep(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    PUCHAR  pDest);
-
-VOID Update2040CoexistFrameAndNotify(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN	BOOLEAN	bAddIntolerantCha);
-
-VOID Send2040CoexistAction(
-	IN	PRTMP_ADAPTER	pAd,
-	IN    UCHAR  Wcid,
-	IN	BOOLEAN	bAddIntolerantCha);
-#endif // DOT11N_DRAFT3 //
-
 VOID PeerRMAction(
 	IN PRTMP_ADAPTER pAd,
 	IN MLME_QUEUE_ELEM *Elem);
@@ -4350,30 +4262,6 @@ VOID BATableInsertEntry(
 	IN UCHAR BAWinSize,
 	IN UCHAR OriginatorStatus,
     IN BOOLEAN IsRecipient);
-
-#ifdef DOT11N_DRAFT3
-VOID Bss2040CoexistTimeOut(
-	IN PVOID SystemSpecific1,
-	IN PVOID FunctionContext,
-	IN PVOID SystemSpecific2,
-	IN PVOID SystemSpecific3);
-
-
-VOID  TriEventInit(
-	IN	PRTMP_ADAPTER	pAd);
-
-ULONG TriEventTableSetEntry(
-	IN	PRTMP_ADAPTER	pAd,
-	OUT TRIGGER_EVENT_TAB *Tab,
-	IN PUCHAR pBssid,
-	IN HT_CAPABILITY_IE *pHtCapability,
-	IN UCHAR			HtCapabilityLen,
-	IN UCHAR			RegClass,
-	IN UCHAR ChannelNo);
-
-VOID TriEventCounterMaintenance(
-	IN	PRTMP_ADAPTER	pAd);
-#endif // DOT11N_DRAFT3 //
 #endif // DOT11_N_SUPPORT //
 
 VOID BssTableSsidSort(
@@ -5563,13 +5451,6 @@ CHAR    ConvertToRssi(
 	IN CHAR				Rssi,
 	IN UCHAR    RssiNumber);
 
-
-#ifdef DOT11N_DRAFT3
-VOID BuildEffectedChannelList(
-	IN PRTMP_ADAPTER pAd);
-#endif // DOT11N_DRAFT3 //
-
-
 VOID APAsicEvaluateRxAnt(
 	IN PRTMP_ADAPTER	pAd);
 
diff --git a/drivers/staging/rt3070/rtmp_def.h b/drivers/staging/rt3070/rtmp_def.h
index 2d6c6ec2ce27..8e01b6e37f9f 100644
--- a/drivers/staging/rt3070/rtmp_def.h
+++ b/drivers/staging/rt3070/rtmp_def.h
@@ -213,10 +213,6 @@
 #define fOP_STATUS_WAKEUP_NOW               0x00008000
 #define fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE       0x00020000
 
-#ifdef DOT11N_DRAFT3
-#define fOP_STATUS_SCAN_2040               	    0x00040000
-#endif // DOT11N_DRAFT3 //
-
 #define CCKSETPROTECT		0x1
 #define OFDMSETPROTECT		0x2
 #define MM20SETPROTECT		0x4
@@ -241,10 +237,6 @@
 #define fCLIENT_STATUS_MCSFEEDBACK_CAPABLE  0x00000400
 #define fCLIENT_STATUS_APSD_CAPABLE         0x00000800  /* UAPSD STATION */
 
-#ifdef DOT11N_DRAFT3
-#define fCLIENT_STATUS_BSSCOEXIST_CAPABLE	0x00001000
-#endif // DOT11N_DRAFT3 //
-
 #define fCLIENT_STATUS_RALINK_CHIPSET		0x00100000
 //
 //  STA configuration flags
diff --git a/drivers/staging/rt3070/sta/connect.c b/drivers/staging/rt3070/sta/connect.c
index ff5896c534b1..66f28dec6dd3 100644
--- a/drivers/staging/rt3070/sta/connect.c
+++ b/drivers/staging/rt3070/sta/connect.c
@@ -178,13 +178,6 @@ VOID MlmeCntlMachinePerformAction(
 					pAd->bLedOnScanning = FALSE;
 					RTMPSetLED(pAd, pAd->LedStatus);
 				}
-#ifdef DOT11N_DRAFT3
-				// AP sent a 2040Coexistence mgmt frame, then station perform a scan, and then send back the respone.
-				if (pAd->CommonCfg.BSSCoexist2040.field.InfoReq == 1)
-				{
-					Update2040CoexistFrameAndNotify(pAd, BSSID_WCID, TRUE);
-				}
-#endif // DOT11N_DRAFT3 //
 			}
 			break;
 
@@ -1781,16 +1774,6 @@ VOID LinkUp(
 	}
 
 	RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
-
-#ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-	if ((pAd->CommonCfg.BACapability.field.b2040CoexistScanSup) && (pAd->CommonCfg.Channel <= 11))
-	{
-		OPSTATUS_SET_FLAG(pAd, fOP_STATUS_SCAN_2040);
-		BuildEffectedChannelList(pAd);
-	}
-#endif // DOT11N_DRAFT3 //
-#endif // DOT11_N_SUPPORT //
 }
 
 /*
@@ -2048,18 +2031,6 @@ VOID LinkDown(
 	pAd->CommonCfg.IOTestParm.bCurrentAtheros = FALSE;
 	pAd->CommonCfg.IOTestParm.bNowAtherosBurstOn = FALSE;
 
-#ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-	OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SCAN_2040);
-	pAd->CommonCfg.BSSCoexist2040.word = 0;
-	TriEventInit(pAd);
-	for (i = 0; i < (pAd->ChannelListNum - 1); i++)
-	{
-		pAd->ChannelList[i].bEffectedChannel = FALSE;
-	}
-#endif // DOT11N_DRAFT3 //
-#endif // DOT11_N_SUPPORT //
-
 	RTMP_IO_WRITE32(pAd, MAX_LEN_CFG, 0x1fff);
 	RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
 
diff --git a/drivers/staging/rt3070/sta/sync.c b/drivers/staging/rt3070/sta/sync.c
index f611cc456536..62d0a3db6684 100644
--- a/drivers/staging/rt3070/sta/sync.c
+++ b/drivers/staging/rt3070/sta/sync.c
@@ -634,16 +634,7 @@ VOID PeerBeaconAtScanAction(
 						  &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,  &HtCapability,
 						 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
 						 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
-#ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-			if (pAd->ChannelList[pAd->CommonCfg.ChannelListIdx].bEffectedChannel == TRUE)
-			{
-				UCHAR		RegClass;
-				PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &RegClass);
-				TriEventTableSetEntry(pAd, &pAd->CommonCfg.TriggerEventTab, Bssid, &HtCapability, HtCapabilityLen, RegClass, Channel);
-			}
-#endif // DOT11N_DRAFT3 //
-#endif // DOT11_N_SUPPORT //
+
 			if (Idx != BSS_NOT_FOUND)
 			{
 				NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
@@ -1621,88 +1612,6 @@ VOID EnqueueProbeRequest(
 
 }
 
-#ifdef DOT11_N_SUPPORT
-#ifdef DOT11N_DRAFT3
-VOID BuildEffectedChannelList(
-	IN PRTMP_ADAPTER pAd)
-{
-	UCHAR		EChannel[11];
-	UCHAR		i, j, k;
-	UCHAR		UpperChannel = 0, LowerChannel = 0;
-
-	RTMPZeroMemory(EChannel, 11);
-	i = 0;
-	// Find upper channel and lower channel.
-	if (pAd->CommonCfg.CentralChannel < pAd->CommonCfg.Channel)
-	{
-		UpperChannel = pAd->CommonCfg.Channel;
-		LowerChannel = pAd->CommonCfg.CentralChannel;
-	}
-	else if (pAd->CommonCfg.CentralChannel > pAd->CommonCfg.Channel)
-	{
-		UpperChannel = pAd->CommonCfg.CentralChannel;
-		LowerChannel = pAd->CommonCfg.Channel;
-	}
-	else
-	{
-		return;
-	}
-
-	// Record channels that is below lower channel..
-	if (LowerChannel > 1)
-	{
-		EChannel[0] = LowerChannel - 1;
-		i = 1;
-		if (LowerChannel > 2)
-		{
-			EChannel[1] = LowerChannel - 2;
-			i = 2;
-			if (LowerChannel > 3)
-			{
-				EChannel[2] = LowerChannel - 3;
-				i = 3;
-			}
-		}
-	}
-	// Record channels that is between  lower channel and upper channel.
-	for (k = LowerChannel;k < UpperChannel;k++)
-	{
-		EChannel[i] = k;
-		i++;
-	}
-	// Record channels that is above upper channel..
-	if (LowerChannel < 11)
-	{
-		EChannel[i] = UpperChannel + 1;
-		i++;
-		if (LowerChannel < 10)
-		{
-			EChannel[i] = LowerChannel + 2;
-			i++;
-			if (LowerChannel < 9)
-			{
-				EChannel[i] = LowerChannel + 3;
-				i++;
-			}
-		}
-	}
-	//
-	for (j = 0;j < i;j++)
-	{
-		for (k = 0;k < pAd->ChannelListNum;k++)
-		{
-			if (pAd->ChannelList[k].Channel == EChannel[j])
-			{
-				pAd->ChannelList[k].bEffectedChannel = TRUE;
-				DBGPRINT(RT_DEBUG_TRACE,(" EffectedChannel( =%d)\n", EChannel[j]));
-				break;
-			}
-		}
-	}
-}
-#endif // DOT11N_DRAFT3 //
-#endif // DOT11_N_SUPPORT //
-
 BOOLEAN ScanRunning(
 		IN PRTMP_ADAPTER pAd)
 {