Staging: rt2870: remove dead RT_BIG_ENDIAN code

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/rt2870/2870_main_dev.c b/drivers/staging/rt2870/2870_main_dev.c
index 21a4027..718ed49 100644
--- a/drivers/staging/rt2870/2870_main_dev.c
+++ b/drivers/staging/rt2870/2870_main_dev.c
@@ -1231,9 +1231,7 @@
 	else
 	{
 		ptr = (PUCHAR)&pAd->BeaconTxWI;
-#ifdef RT_BIG_ENDIAN
-		RTMPWIEndianChange(ptr, TYPE_TXWI);
-#endif
+
 		if (NdisEqualMemory(pBeaconSync->BeaconTxWI[bcn_idx], &pAd->BeaconTxWI, TXWI_SIZE) == FALSE)
 		{	// If BeaconTxWI changed, we need to rewrite the TxWI for the Beacon frames.
 			pBeaconSync->BeaconBitMap &= (~(BEACON_BITMAP_MASK & (1 << bcn_idx)));
diff --git a/drivers/staging/rt2870/common/2870_rtmp_init.c b/drivers/staging/rt2870/common/2870_rtmp_init.c
index 79be49d..e134e44 100644
--- a/drivers/staging/rt2870/common/2870_rtmp_init.c
+++ b/drivers/staging/rt2870/common/2870_rtmp_init.c
@@ -1078,18 +1078,13 @@
 	// skip USB frame length field
 	pData += RT2870_RXDMALEN_FIELD_SIZE;
 	pRxWI = (PRXWI_STRUC)pData;
-#ifdef RT_BIG_ENDIAN
-	RTMPWIEndianChange(pData, TYPE_RXWI);
-#endif // RT_BIG_ENDIAN //
+
 	if (pRxWI->MPDUtotalByteCount > ThisFrameLen)
 	{
 		DBGPRINT(RT_DEBUG_ERROR, ("%s():pRxWIMPDUtotalByteCount(%d) large than RxDMALen(%ld)\n",
 									__func__, pRxWI->MPDUtotalByteCount, ThisFrameLen));
 		goto label_null;
 	}
-#ifdef RT_BIG_ENDIAN
-	RTMPWIEndianChange(pData, TYPE_RXWI);
-#endif // RT_BIG_ENDIAN //
 
 	// allocate a rx packet
 	pSkb = dev_alloc_skb(ThisFrameLen);
@@ -1106,9 +1101,6 @@
 
 	// copy RxD
 	*pSaveRxD = *(PRXINFO_STRUC)(pData + ThisFrameLen);
-#ifdef RT_BIG_ENDIAN
-	RTMPDescriptorEndianChange((PUCHAR)pSaveRxD, TYPE_RXINFO);
-#endif // RT_BIG_ENDIAN //
 
 	// update next packet read position.
 	pAd->ReadPosition += (ThisFrameLen + RT2870_RXDMALEN_FIELD_SIZE + RXINFO_SIZE);	// 8 for (RT2870_RXDMALEN_FIELD_SIZE + sizeof(RXINFO_STRUC))
diff --git a/drivers/staging/rt2870/common/action.h b/drivers/staging/rt2870/common/action.h
index ce3877d..cfc2a5f 100644
--- a/drivers/staging/rt2870/common/action.h
+++ b/drivers/staging/rt2870/common/action.h
@@ -41,17 +41,10 @@
 
 typedef struct PACKED __HT_INFO_OCTET
 {
-#ifdef RT_BIG_ENDIAN
-	UCHAR	Reserved:5;
-	UCHAR 	STA_Channel_Width:1;
-	UCHAR	Forty_MHz_Intolerant:1;
-	UCHAR	Request:1;
-#else
 	UCHAR	Request:1;
 	UCHAR	Forty_MHz_Intolerant:1;
 	UCHAR 	STA_Channel_Width:1;
 	UCHAR	Reserved:5;
-#endif
 } HT_INFORMATION_OCTET;
 
 
diff --git a/drivers/staging/rt2870/common/cmm_data.c b/drivers/staging/rt2870/common/cmm_data.c
index 96f2873..161e8a6 100644
--- a/drivers/staging/rt2870/common/cmm_data.c
+++ b/drivers/staging/rt2870/common/cmm_data.c
@@ -366,10 +366,6 @@
 		return (NDIS_STATUS_FAILURE);
 	}
 
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, (PUCHAR)pHeader_802_11, DIR_WRITE, FALSE);
-#endif
-
 	//
 	// fill scatter-and-gather buffer list into TXD. Internally created NDIS PACKET
 	// should always has only one ohysical buffer, and the whole frame size equals
@@ -397,10 +393,6 @@
 					IFS_BACKOFF, FALSE, &pMacEntry->MaxHTPhyMode);
 	}
 
-#ifdef RT_BIG_ENDIAN
-	RTMPWIEndianChange((PUCHAR)pFirstTxWI, TYPE_TXWI);
-#endif
-
 	// Now do hardware-depened kick out.
 	HAL_KickOutMgmtTx(pAd, QueIdx, pPacket, pSrcBufVA, SrcBufLen);
 
diff --git a/drivers/staging/rt2870/common/cmm_data_2870.c b/drivers/staging/rt2870/common/cmm_data_2870.c
index f77000f..ab71082 100644
--- a/drivers/staging/rt2870/common/cmm_data_2870.c
+++ b/drivers/staging/rt2870/common/cmm_data_2870.c
@@ -189,9 +189,6 @@
 	}
 
 	NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, TXINFO_SIZE + TXWI_SIZE + hwHdrLen);
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, (PUCHAR)(pWirelessPacket + TXINFO_SIZE + TXWI_SIZE), DIR_WRITE, FALSE);
-#endif // RT_BIG_ENDIAN //
 	pWirelessPacket += (TXINFO_SIZE + TXWI_SIZE + hwHdrLen);
 	pHTTXContext->CurWriteRealPos += (TXINFO_SIZE + TXWI_SIZE + hwHdrLen);
 
@@ -303,9 +300,6 @@
 			bTxQLastRound = TRUE;
 		}
 		NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, TXINFO_SIZE + TXWI_SIZE + hwHdrLen);
-#ifdef RT_BIG_ENDIAN
-		RTMPFrameEndianChange(pAd, (PUCHAR)(pWirelessPacket + TXINFO_SIZE + TXWI_SIZE), DIR_WRITE, FALSE);
-#endif // RT_BIG_ENDIAN //
 		pWirelessPacket += (TXINFO_SIZE + TXWI_SIZE + hwHdrLen);
 
 		// We unlock it here to prevent the first 8 bytes maybe over-writed issue.
@@ -417,9 +411,6 @@
 
 			// Copy it.
 			NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, pTxBlk->Priv);
-#ifdef RT_BIG_ENDIAN
-			RTMPFrameEndianChange(pAd, (PUCHAR)(pWirelessPacket+ TXINFO_SIZE + TXWI_SIZE), DIR_WRITE, FALSE);
-#endif // RT_BIG_ENDIAN //
 			pHTTXContext->CurWriteRealPos += pTxBlk->Priv;
 			pWirelessPacket += pTxBlk->Priv;
 		}
@@ -687,14 +678,7 @@
 		pTxWI = (PTXWI_STRUC)&pWirelessPkt[TXINFO_SIZE];
 		RTMPWriteTxWI(pAd, pTxWI,  FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, 0, BSSID_WCID, (sizeof(HEADER_802_11)),
 			0, 0, (UCHAR)pAd->CommonCfg.MlmeTransmit.field.MCS, IFS_HTTXOP, FALSE, &pAd->CommonCfg.MlmeTransmit);
-#ifdef RT_BIG_ENDIAN
-		RTMPWIEndianChange((PUCHAR)pTxWI, TYPE_TXWI);
-#endif // RT_BIG_ENDIAN //
-
 		RTMPMoveMemory(&pWirelessPkt[TXWI_SIZE+TXINFO_SIZE], &pAd->NullFrame, sizeof(HEADER_802_11));
-#ifdef RT_BIG_ENDIAN
-		RTMPFrameEndianChange(pAd, (PUCHAR)&pWirelessPkt[TXINFO_SIZE + TXWI_SIZE], DIR_WRITE, FALSE);
-#endif // RT_BIG_ENDIAN //
 		pAd->NullContext.BulkOutSize =  TXINFO_SIZE + TXWI_SIZE + sizeof(pAd->NullFrame) + 4;
 
 		// Fill out frame length information for global Bulk out arbitor
diff --git a/drivers/staging/rt2870/common/cmm_sync.c b/drivers/staging/rt2870/common/cmm_sync.c
index 5dfbb7f..93e0329 100644
--- a/drivers/staging/rt2870/common/cmm_sync.c
+++ b/drivers/staging/rt2870/common/cmm_sync.c
@@ -591,52 +591,27 @@
 				ULONG	Tmp;
 				UCHAR	HtLen;
 				UCHAR	BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
-#ifdef RT_BIG_ENDIAN
-				HT_CAPABILITY_IE HtCapabilityTmp;
-#endif
+
 				if (pAd->bBroadComHT == TRUE)
 				{
 					HtLen = pAd->MlmeAux.HtCapabilityLen + 4;
-#ifdef RT_BIG_ENDIAN
-					NdisMoveMemory(&HtCapabilityTmp, &pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
-					*(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
-					*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
 
 					MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
 									1,                                &WpaIe,
 									1,                                &HtLen,
 									4,                                &BROADCOM[0],
-									pAd->MlmeAux.HtCapabilityLen,     &HtCapabilityTmp,
-									END_OF_ARGS);
-#else
-					MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
-									1,                                &WpaIe,
-									1,                                &HtLen,
-									4,                                &BROADCOM[0],
 									pAd->MlmeAux.HtCapabilityLen,     &pAd->MlmeAux.HtCapability,
 									END_OF_ARGS);
-#endif // RT_BIG_ENDIAN //
 				}
 				else
 				{
 					HtLen = pAd->MlmeAux.HtCapabilityLen;
-#ifdef RT_BIG_ENDIAN
-					NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.HtCapability, SIZE_HT_CAP_IE);
-					*(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
-					*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
 
 					MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
 									1,                                &HtCapIe,
 									1,                                &HtLen,
-									HtLen,                            &HtCapabilityTmp,
-									END_OF_ARGS);
-#else
-					MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
-									1,                                &HtCapIe,
-									1,                                &HtLen,
 									HtLen,                            &pAd->CommonCfg.HtCapability,
 									END_OF_ARGS);
-#endif // RT_BIG_ENDIAN //
 				}
 				FrameLen += Tmp;
 			}
diff --git a/drivers/staging/rt2870/common/md5.c b/drivers/staging/rt2870/common/md5.c
index 774776b..ad883ca 100644
--- a/drivers/staging/rt2870/common/md5.c
+++ b/drivers/staging/rt2870/common/md5.c
@@ -131,19 +131,7 @@
 	MD5Final(mac, &context);			 /*	finish up 2nd pass */
 }
 
-#ifndef RT_BIG_ENDIAN
 #define byteReverse(buf, len)   /* Nothing */
-#else
-void byteReverse(unsigned char *buf, unsigned longs);
-void byteReverse(unsigned char *buf, unsigned longs)
-{
-    do {
-        *(UINT32 *)buf = SWAP32(*(UINT32 *)buf);
-        buf += 4;
-    } while (--longs);
-}
-#endif
-
 
 /* ==========================  MD5 implementation =========================== */
 // four base functions for MD5
diff --git a/drivers/staging/rt2870/common/rtmp_tkip.c b/drivers/staging/rt2870/common/rtmp_tkip.c
index 2847409..013849a 100644
--- a/drivers/staging/rt2870/common/rtmp_tkip.c
+++ b/drivers/staging/rt2870/common/rtmp_tkip.c
@@ -199,15 +199,9 @@
 			{
 				struct PACKED
 				{
-#ifdef RT_BIG_ENDIAN
-					UCHAR	KeyID:2;
-					UCHAR	ExtIV:1;
-					UCHAR	Rsvd:5;
-#else
 					UCHAR	Rsvd:5;
 					UCHAR	ExtIV:1;
 					UCHAR	KeyID:2;
-#endif
 				}	field;
 				UCHAR		Byte;
 			}	CONTROL;
@@ -1117,10 +1111,6 @@
 	UCHAR			MIC[8];
 	UCHAR			TrailMIC[8];
 
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, (PUCHAR)pData, DIR_READ, FALSE);
-#endif
-
 	fc0 = *pData;
 	fc1 = *(pData + 1);
 
@@ -1228,9 +1218,6 @@
 		return (FALSE);
 	}
 
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, (PUCHAR)pData, DIR_READ, FALSE);
-#endif
 	//DBGPRINT(RT_DEBUG_TRACE, "RTMPSoftDecryptTKIP Decript done!!\n");
 	return TRUE;
 }
@@ -1271,10 +1258,6 @@
 	UCHAR			MIC[8];
 	UCHAR			TrailMIC[8];
 
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, (PUCHAR)pData, DIR_READ, FALSE);
-#endif
-
 	fc0 = *pData;
 	fc1 = *(pData + 1);
 
@@ -1443,10 +1426,6 @@
 		return FALSE;
 	}
 
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, (PUCHAR)pData, DIR_READ, FALSE);
-#endif
-
 	return TRUE;
 }
 
diff --git a/drivers/staging/rt2870/common/rtusb_bulk.c b/drivers/staging/rt2870/common/rtusb_bulk.c
index ecdd310..7053c26 100644
--- a/drivers/staging/rt2870/common/rtusb_bulk.c
+++ b/drivers/staging/rt2870/common/rtusb_bulk.c
@@ -365,31 +365,14 @@
 			bTxQLastRound = TRUE;
 			pHTTXContext->ENextBulkOutPosition = 8;
 
-	#ifdef RT_BIG_ENDIAN
-			RTMPDescriptorEndianChange((PUCHAR)pTxInfo, TYPE_TXINFO);
-			RTMPWIEndianChange((PUCHAR)pTxWI, TYPE_TXWI);
-	#endif // RT_BIG_ENDIAN //
-
 			break;
 		}
-
-#ifdef RT_BIG_ENDIAN
-		RTMPDescriptorEndianChange((PUCHAR)pTxInfo, TYPE_TXINFO);
-		RTMPWIEndianChange((PUCHAR)pTxWI, TYPE_TXWI);
-#endif // RT_BIG_ENDIAN //
-
 	}while (TRUE);
 
 	// adjust the pTxInfo->USBDMANextVLD value of last pTxInfo.
 	if (pLastTxInfo)
 	{
-#ifdef RT_BIG_ENDIAN
-		RTMPDescriptorEndianChange((PUCHAR)pLastTxInfo, TYPE_TXINFO);
-#endif // RT_BIG_ENDIAN //
 		pLastTxInfo->USBDMANextVLD = 0;
-#ifdef RT_BIG_ENDIAN
-		RTMPDescriptorEndianChange((PUCHAR)pLastTxInfo, TYPE_TXINFO);
-#endif // RT_BIG_ENDIAN //
 	}
 
 	/*
@@ -657,10 +640,6 @@
 	// Clear Null frame bulk flag
 	RTUSB_CLEAR_BULK_FLAG(pAd, fRTUSB_BULK_OUT_DATA_NULL);
 
-#ifdef RT_BIG_ENDIAN
-	RTMPDescriptorEndianChange((PUCHAR)pNullContext->TransferBuffer, TYPE_TXINFO);
-#endif // RT_BIG_ENDIAN //
-
 	// Init Tx context descriptor
 	RTUSBInitTxDesc(pAd, pNullContext, 0, (usb_complete_t)RTUSBBulkOutNullFrameComplete);
 
@@ -784,10 +763,6 @@
 	// Clear RTS frame bulk flag
 	RTUSB_CLEAR_BULK_FLAG(pAd, fRTUSB_BULK_OUT_RTS);
 
-#ifdef RT_BIG_ENDIAN
-	RTMPDescriptorEndianChange((PUCHAR)pRTSContext->TransferBuffer, TYPE_TXINFO);
-#endif // RT_BIG_ENDIAN //
-
 	// Init Tx context descriptor
 	RTUSBInitTxDesc(pAd, pRTSContext, PipeID, (usb_complete_t)RTUSBBulkOutRTSFrameComplete);
 	pRTSContext->IRPPending = TRUE;
@@ -939,10 +914,6 @@
 }
 #endif
 
-#ifdef RT_BIG_ENDIAN
-	RTMPDescriptorEndianChange((PUCHAR)pMLMEContext->TransferBuffer, TYPE_TXINFO);
-#endif // RT_BIG_ENDIAN //
-
 	// Init Tx context descriptor
 	RTUSBInitTxDesc(pAd, pMLMEContext, MGMTPIPEIDX, (usb_complete_t)RTUSBBulkOutMLMEPacketComplete);
 
@@ -1104,10 +1075,6 @@
 	// Clear PS-Poll bulk flag
 	RTUSB_CLEAR_BULK_FLAG(pAd, fRTUSB_BULK_OUT_PSPOLL);
 
-#ifdef RT_BIG_ENDIAN
-	RTMPDescriptorEndianChange((PUCHAR)pPsPollContext->TransferBuffer, TYPE_TXINFO);
-#endif // RT_BIG_ENDIAN //
-
 	// Init Tx context descriptor
 	RTUSBInitTxDesc(pAd, pPsPollContext, MGMTPIPEIDX, (usb_complete_t)RTUSBBulkOutPsPollComplete);
 
diff --git a/drivers/staging/rt2870/mlme.h b/drivers/staging/rt2870/mlme.h
index eb2b4b8..5cf1b25 100644
--- a/drivers/staging/rt2870/mlme.h
+++ b/drivers/staging/rt2870/mlme.h
@@ -209,22 +209,6 @@
 //
 //  HT Capability INFO field in HT Cap IE .
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-	USHORT	LSIGTxopProSup:1;
-	USHORT	Forty_Mhz_Intolerant:1;
-	USHORT	PSMP:1;
-	USHORT	CCKmodein40:1;
-	USHORT	AMsduSize:1;
-	USHORT	DelayedBA:1;	//rt2860c not support
-	USHORT	RxSTBC:2;
-	USHORT	TxSTBC:1;
-	USHORT	ShortGIfor40:1;	//for40MHz
-	USHORT	ShortGIfor20:1;
-	USHORT	GF:1;	//green field
-	USHORT	MimoPs:2;//momi power safe
-	USHORT	ChannelWidth:1;
-	USHORT	AdvCoding:1;
-#else
 	USHORT	AdvCoding:1;
 	USHORT	ChannelWidth:1;
 	USHORT	MimoPs:2;//momi power safe
@@ -239,53 +223,29 @@
 	USHORT	PSMP:1;
 	USHORT	Forty_Mhz_Intolerant:1;
 	USHORT	LSIGTxopProSup:1;
-#endif	/* !RT_BIG_ENDIAN */
 } HT_CAP_INFO, *PHT_CAP_INFO;
 
 //  HT Capability INFO field in HT Cap IE .
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-	UCHAR	rsv:3;//momi power safe
-	UCHAR	MpduDensity:3;
-	UCHAR	MaxRAmpduFactor:2;
-#else
 	UCHAR	MaxRAmpduFactor:2;
 	UCHAR	MpduDensity:3;
 	UCHAR	rsv:3;//momi power safe
-#endif /* !RT_BIG_ENDIAN */
 } HT_CAP_PARM, *PHT_CAP_PARM;
 
 //  HT Capability INFO field in HT Cap IE .
 typedef struct PACKED {
 	UCHAR	MCSSet[10];
 	UCHAR	SupRate[2];  // unit : 1Mbps
-#ifdef RT_BIG_ENDIAN
-	UCHAR	rsv:3;
-	UCHAR	MpduDensity:1;
-	UCHAR	TxStream:2;
-	UCHAR	TxRxNotEqual:1;
-	UCHAR	TxMCSSetDefined:1;
-#else
 	UCHAR	TxMCSSetDefined:1;
 	UCHAR	TxRxNotEqual:1;
 	UCHAR	TxStream:2;
 	UCHAR	MpduDensity:1;
 	UCHAR	rsv:3;
-#endif // RT_BIG_ENDIAN //
 	UCHAR	rsv3[3];
 } HT_MCS_SET, *PHT_MCS_SET;
 
 //  HT Capability INFO field in HT Cap IE .
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-	USHORT	rsv2:4;
-	USHORT	RDGSupport:1;	//reverse Direction Grant  support
-	USHORT	PlusHTC:1;	//+HTC control field support
-	USHORT	MCSFeedback:2;	//0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback,  1:rsv.
-	USHORT	rsv:5;//momi power safe
-	USHORT	TranTime:2;
-	USHORT	Pco:1;
-#else
 	USHORT	Pco:1;
 	USHORT	TranTime:2;
 	USHORT	rsv:5;//momi power safe
@@ -293,33 +253,10 @@
 	USHORT	PlusHTC:1;	//+HTC control field support
 	USHORT	RDGSupport:1;	//reverse Direction Grant  support
 	USHORT	rsv2:4;
-#endif /* RT_BIG_ENDIAN */
 } EXT_HT_CAP_INFO, *PEXT_HT_CAP_INFO;
 
 //  HT Beamforming field in HT Cap IE .
 typedef struct PACKED _HT_BF_CAP{
-#ifdef RT_BIG_ENDIAN
-	ULONG	rsv:3;
-	ULONG	ChanEstimation:2;
-	ULONG	CSIRowBFSup:2;
-	ULONG	ComSteerBFAntSup:2;
-	ULONG	NoComSteerBFAntSup:2;
-	ULONG	CSIBFAntSup:2;
-	ULONG	MinGrouping:2;
-	ULONG	ExpComBF:2;
-	ULONG	ExpNoComBF:2;
-	ULONG	ExpCSIFbk:2;
-	ULONG	ExpComSteerCapable:1;
-	ULONG	ExpNoComSteerCapable:1;
-	ULONG	ExpCSICapable:1;
-	ULONG	Calibration:2;
-	ULONG	ImpTxBFCapable:1;
-	ULONG	TxNDPCapable:1;
-	ULONG	RxNDPCapable:1;
-	ULONG	TxSoundCapable:1;
-	ULONG	RxSoundCapable:1;
-	ULONG	TxBFRecCapable:1;
-#else
 	ULONG	TxBFRecCapable:1;
 	ULONG	RxSoundCapable:1;
 	ULONG	TxSoundCapable:1;
@@ -340,21 +277,10 @@
 	ULONG	CSIRowBFSup:2;
 	ULONG	ChanEstimation:2;
 	ULONG	rsv:3;
-#endif // RT_BIG_ENDIAN //
 } HT_BF_CAP, *PHT_BF_CAP;
 
 //  HT antenna selection field in HT Cap IE .
 typedef struct PACKED _HT_AS_CAP{
-#ifdef RT_BIG_ENDIAN
-	UCHAR	rsv:1;
-	UCHAR	TxSoundPPDU:1;
-	UCHAR	RxASel:1;
-	UCHAR	AntIndFbk:1;
-	UCHAR	ExpCSIFbk:1;
-	UCHAR	AntIndFbkTxASEL:1;
-	UCHAR	ExpCSIFbkTxASEL:1;
-	UCHAR	AntSelect:1;
-#else
 	UCHAR	AntSelect:1;
 	UCHAR	ExpCSIFbkTxASEL:1;
 	UCHAR	AntIndFbkTxASEL:1;
@@ -363,7 +289,6 @@
 	UCHAR	RxASel:1;
 	UCHAR	TxSoundPPDU:1;
 	UCHAR	rsv:1;
-#endif // RT_BIG_ENDIAN //
 } HT_AS_CAP, *PHT_AS_CAP;
 
 // Draft 1.0 set IE length 26, but is extensible..
@@ -407,17 +332,10 @@
 //  7.3.2.56. 20/40 Coexistence element used in  Element ID = 72 = IE_2040_BSS_COEXIST
 typedef union PACKED _BSS_2040_COEXIST_IE{
  struct PACKED {
- #ifdef RT_BIG_ENDIAN
-	UCHAR	rsv:5;
-	UCHAR	BSS20WidthReq:1;
-	UCHAR	Intolerant40:1;
-	UCHAR	InfoReq:1;
- #else
 	UCHAR	InfoReq:1;
 	UCHAR	Intolerant40:1;			// Inter-BSS. set 1 when prohibits a receiving BSS from operating as a 20/40 Mhz BSS.
 	UCHAR	BSS20WidthReq:1;		// Intra-BSS set 1 when prohibits a receiving AP from operating its BSS as a 20/40MHz BSS.
 	UCHAR	rsv:5;
-#endif // RT_BIG_ENDIAN //
     } field;
  UCHAR   word;
 } BSS_2040_COEXIST_IE, *PBSS_2040_COEXIST_IE;
@@ -443,17 +361,10 @@
 // 7.3.27 20/40 Bss Coexistence Mgmt capability used in extended capabilities information IE( ID = 127 = IE_EXT_CAPABILITY).
 //	This is the first octet and was defined in 802.11n D3.03 and 802.11yD9.0
 typedef struct PACKED _EXT_CAP_INFO_ELEMENT{
-#ifdef RT_BIG_ENDIAN
-	UCHAR	rsv2:5;
-	UCHAR	ExtendChannelSwitch:1;
-	UCHAR	rsv:1;
-	UCHAR	BssCoexistMgmtSupport:1;
-#else
 	UCHAR	BssCoexistMgmtSupport:1;
 	UCHAR	rsv:1;
 	UCHAR	ExtendChannelSwitch:1;
 	UCHAR	rsv2:5;
-#endif // RT_BIG_ENDIAN //
 }EXT_CAP_INFO_ELEMENT, *PEXT_CAP_INFO_ELEMENT;
 
 
@@ -505,18 +416,6 @@
 	//Substract from HT Capability IE
 	UCHAR			MCSSet[16];	//only supoort MCS=0-15,32 ,
 #endif
-#ifdef RT_BIG_ENDIAN
-	USHORT	rsv:5;
-	USHORT	AmsduSize:1;	// Max receiving A-MSDU size
-	USHORT	AmsduEnable:1;	// Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
-	USHORT	RxSTBC:2;	// 2 bits
-	USHORT	TxSTBC:1;
-	USHORT	ShortGIfor40:1;	//for40MHz
-	USHORT	ShortGIfor20:1;
-	USHORT	GF:1;	//green field
-	USHORT	MimoPs:2;//mimo power safe MMPS_
-	USHORT	ChannelWidth:1;
-#else
 	USHORT	ChannelWidth:1;
 	USHORT	MimoPs:2;//mimo power safe MMPS_
 	USHORT	GF:1;	//green field
@@ -527,34 +426,18 @@
 	USHORT	AmsduEnable:1;	// Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
 	USHORT	AmsduSize:1;	// Max receiving A-MSDU size
 	USHORT	rsv:5;
-#endif
 
 	//Substract from Addiont HT INFO IE
-#ifdef RT_BIG_ENDIAN
-	UCHAR	RecomWidth:1;
-	UCHAR	ExtChanOffset:2;	// Please not the difference with following 	UCHAR	NewExtChannelOffset; from 802.11n
-	UCHAR	MpduDensity:3;
-	UCHAR	MaxRAmpduFactor:2;
-#else
 	UCHAR	MaxRAmpduFactor:2;
 	UCHAR	MpduDensity:3;
 	UCHAR	ExtChanOffset:2;	// Please not the difference with following 	UCHAR	NewExtChannelOffset; from 802.11n
 	UCHAR	RecomWidth:1;
-#endif
 
-#ifdef RT_BIG_ENDIAN
-	USHORT	rsv2:11;
-	USHORT	OBSS_NonHTExist:1;
-	USHORT	rsv3:1;
-	USHORT	NonGfPresent:1;
-	USHORT	OperaionMode:2;
-#else
 	USHORT	OperaionMode:2;
 	USHORT	NonGfPresent:1;
 	USHORT	rsv3:1;
 	USHORT	OBSS_NonHTExist:1;
 	USHORT	rsv2:11;
-#endif
 
 	// New Extension Channel Offset IE
 	UCHAR	NewExtChannelOffset;
@@ -564,50 +447,24 @@
 
 //   field in Addtional HT Information IE .
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-	UCHAR	SerInterGranu:3;
-	UCHAR	S_PSMPSup:1;
-	UCHAR	RifsMode:1;
-	UCHAR	RecomWidth:1;
-	UCHAR	ExtChanOffset:2;
-#else
 	UCHAR	ExtChanOffset:2;
 	UCHAR	RecomWidth:1;
 	UCHAR	RifsMode:1;
 	UCHAR	S_PSMPSup:1;	 //Indicate support for scheduled PSMP
 	UCHAR	SerInterGranu:3;	 //service interval granularity
-#endif
 } ADD_HTINFO, *PADD_HTINFO;
 
 typedef struct PACKED{
-#ifdef RT_BIG_ENDIAN
-	USHORT	rsv2:11;
-	USHORT	OBSS_NonHTExist:1;
-	USHORT	rsv:1;
-	USHORT	NonGfPresent:1;
-	USHORT	OperaionMode:2;
-#else
 	USHORT	OperaionMode:2;
 	USHORT	NonGfPresent:1;
 	USHORT	rsv:1;
 	USHORT	OBSS_NonHTExist:1;
 	USHORT	rsv2:11;
-#endif
 } ADD_HTINFO2, *PADD_HTINFO2;
 
 
 // TODO: Need sync with spec about the definition of StbcMcs. In Draft 3.03, it's reserved.
 typedef struct PACKED{
-#ifdef RT_BIG_ENDIAN
-	USHORT	rsv:4;
-	USHORT	PcoPhase:1;
-	USHORT	PcoActive:1;
-	USHORT	LsigTxopProt:1;
-	USHORT	STBCBeacon:1;
-	USHORT	DualCTSProtect:1;
-	USHORT	DualBeacon:1;
-	USHORT	StbcMcs:6;
-#else
 	USHORT	StbcMcs:6;
 	USHORT	DualBeacon:1;
 	USHORT	DualCTSProtect:1;
@@ -616,7 +473,6 @@
 	USHORT	PcoActive:1;
 	USHORT	PcoPhase:1;
 	USHORT	rsv:4;
-#endif // RT_BIG_ENDIAN //
 } ADD_HTINFO3, *PADD_HTINFO3;
 
 #define SIZE_ADD_HT_INFO_IE		22
@@ -635,22 +491,6 @@
 
 // 4-byte HTC field.  maybe included in any frame except non-QOS data frame.  The Order bit must set 1.
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    UINT32		RDG:1;	//RDG / More PPDU
-    UINT32		ACConstraint:1;	//feedback request
-    UINT32		rsv:5;  //calibration sequence
-    UINT32		ZLFAnnouce:1;	// ZLF announcement
-    UINT32		CSISTEERING:2;	//CSI/ STEERING
-    UINT32		FBKReq:2;	//feedback request
-    UINT32		CalSeq:2;  //calibration sequence
-    UINT32		CalPos:2;	// calibration position
-    UINT32		MFBorASC:7;	//Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
-    UINT32		MFS:3;	//SET to the received value of MRS. 0x111 for unsolicited MFB.
-    UINT32		MRSorASI:3;	// MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
-    UINT32		MRQ:1;	//MCS feedback. Request for a MCS feedback
-    UINT32		TRQ:1;	//sounding request
-    UINT32		MA:1;	//management action payload exist in (QoS Null+HTC)
-#else
     UINT32		MA:1;	//management action payload exist in (QoS Null+HTC)
     UINT32		TRQ:1;	//sounding request
     UINT32		MRQ:1;	//MCS feedback. Request for a MCS feedback
@@ -665,41 +505,19 @@
     UINT32		rsv:5;  //calibration sequence
     UINT32		ACConstraint:1;	//feedback request
     UINT32		RDG:1;	//RDG / More PPDU
-#endif /* !RT_BIG_ENDIAN */
 } HT_CONTROL, *PHT_CONTROL;
 
 // 2-byte QOS CONTROL field
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      Txop_QueueSize:8;
-    USHORT      AMsduPresent:1;
-    USHORT      AckPolicy:2;  //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP  3: BA
-    USHORT      EOSP:1;
-    USHORT      TID:4;
-#else
     USHORT      TID:4;
     USHORT      EOSP:1;
     USHORT      AckPolicy:2;  //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP  3: BA
     USHORT      AMsduPresent:1;
     USHORT      Txop_QueueSize:8;
-#endif /* !RT_BIG_ENDIAN */
 } QOS_CONTROL, *PQOS_CONTROL;
 
 // 2-byte Frame control field
 typedef	struct	PACKED {
-#ifdef RT_BIG_ENDIAN
-	USHORT		Order:1;			// Strict order expected
-	USHORT		Wep:1;				// Wep data
-	USHORT		MoreData:1;			// More data bit
-	USHORT		PwrMgmt:1;			// Power management bit
-	USHORT		Retry:1;			// Retry status bit
-	USHORT		MoreFrag:1;			// More fragment bit
-	USHORT		FrDs:1;				// From DS indication
-	USHORT		ToDs:1;				// To DS indication
-	USHORT		SubType:4;			// MSDU subtype
-	USHORT		Type:2;				// MSDU type
-	USHORT		Ver:2;				// Protocol version
-#else
 	USHORT		Ver:2;				// Protocol version
 	USHORT		Type:2;				// MSDU type
 	USHORT		SubType:4;			// MSDU subtype
@@ -711,7 +529,6 @@
 	USHORT		MoreData:1;			// More data bit
 	USHORT		Wep:1;				// Wep data
 	USHORT		Order:1;			// Strict order expected
-#endif /* !RT_BIG_ENDIAN */
 } FRAME_CONTROL, *PFRAME_CONTROL;
 
 typedef	struct	PACKED _HEADER_802_11	{
@@ -720,13 +537,8 @@
     UCHAR           Addr1[MAC_ADDR_LEN];
     UCHAR           Addr2[MAC_ADDR_LEN];
 	UCHAR			Addr3[MAC_ADDR_LEN];
-#ifdef RT_BIG_ENDIAN
-	USHORT			Sequence:12;
-	USHORT			Frag:4;
-#else
 	USHORT			Frag:4;
 	USHORT			Sequence:12;
-#endif /* !RT_BIG_ENDIAN */
 	UCHAR			Octet[0];
 }	HEADER_802_11, *PHEADER_802_11;
 
@@ -750,42 +562,24 @@
 ////Block ACK related format
 // 2-byte BA Parameter  field  in 	DELBA frames to terminate an already set up bA
 typedef struct PACKED{
-#ifdef RT_BIG_ENDIAN
-    USHORT      TID:4;	// value of TC os TS
-    USHORT      Initiator:1;	// 1: originator    0:recipient
-    USHORT      Rsv:11;	// always set to 0
-#else
     USHORT      Rsv:11;	// always set to 0
     USHORT      Initiator:1;	// 1: originator    0:recipient
     USHORT      TID:4;	// value of TC os TS
-#endif /* !RT_BIG_ENDIAN */
 } DELBA_PARM, *PDELBA_PARM;
 
 // 2-byte BA Parameter Set field  in ADDBA frames to signal parm for setting up a BA
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      BufSize:10;	// number of buffe of size 2304 octetsr
-    USHORT      TID:4;	// value of TC os TS
-    USHORT      BAPolicy:1;	// 1: immediately BA    0:delayed BA
-    USHORT      AMSDUSupported:1;	// 0: not permitted		1: permitted
-#else
     USHORT      AMSDUSupported:1;	// 0: not permitted		1: permitted
     USHORT      BAPolicy:1;	// 1: immediately BA    0:delayed BA
     USHORT      TID:4;	// value of TC os TS
     USHORT      BufSize:10;	// number of buffe of size 2304 octetsr
-#endif /* !RT_BIG_ENDIAN */
 } BA_PARM, *PBA_PARM;
 
 // 2-byte BA Starting Seq CONTROL field
 typedef union PACKED {
     struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      StartSeq:12;   // sequence number of the 1st MSDU for which this BAR is sent
-	USHORT      FragNum:4;	// always set to 0
-#else
     USHORT      FragNum:4;	// always set to 0
 	USHORT      StartSeq:12;   // sequence number of the 1st MSDU for which this BAR is sent
-#endif /* RT_BIG_ENDIAN */
     }   field;
     USHORT           word;
 } BASEQ_CONTROL, *PBASEQ_CONTROL;
@@ -793,63 +587,34 @@
 //BAControl and BARControl are the same
 // 2-byte BA CONTROL field in BA frame
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      TID:4;
-    USHORT      Rsv:9;
-    USHORT      Compressed:1;
-    USHORT      MTID:1;		//EWC V1.24
-    USHORT      ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK  1:No ACK
-#else
     USHORT      ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK  1:No ACK
     USHORT      MTID:1;		//EWC V1.24
     USHORT      Compressed:1;
     USHORT      Rsv:9;
     USHORT      TID:4;
-#endif /* !RT_BIG_ENDIAN */
 } BA_CONTROL, *PBA_CONTROL;
 
 // 2-byte BAR CONTROL field in BAR frame
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      TID:4;
-    USHORT      Rsv1:9;
-    USHORT      Compressed:1;
-    USHORT      MTID:1;		//if this bit1, use  FRAME_MTBA_REQ,  if 0, use FRAME_BA_REQ
-    USHORT      ACKPolicy:1;
-#else
     USHORT      ACKPolicy:1; // 0:normal ack,  1:no ack.
     USHORT      MTID:1;		//if this bit1, use  FRAME_MTBA_REQ,  if 0, use FRAME_BA_REQ
     USHORT      Compressed:1;
     USHORT      Rsv1:9;
     USHORT      TID:4;
-#endif /* !RT_BIG_ENDIAN */
 } BAR_CONTROL, *PBAR_CONTROL;
 
 // BARControl in MTBAR frame
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      NumTID:4;
-    USHORT      Rsv1:9;
-    USHORT      Compressed:1;
-    USHORT      MTID:1;
-    USHORT      ACKPolicy:1;
-#else
     USHORT      ACKPolicy:1;
     USHORT      MTID:1;
     USHORT      Compressed:1;
     USHORT      Rsv1:9;
     USHORT      NumTID:4;
-#endif /* !RT_BIG_ENDIAN */
 } MTBAR_CONTROL, *PMTBAR_CONTROL;
 
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-    USHORT      TID:4;
-    USHORT      Rsv1:12;
-#else
     USHORT      Rsv1:12;
     USHORT      TID:4;
-#endif /* !RT_BIG_ENDIAN */
 } PER_TID_INFO, *PPER_TID_INFO;
 
 typedef struct {
@@ -1069,15 +834,6 @@
 
 // QBSS Info field in QSTA's assoc req
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-	UCHAR		Rsv2:1;
-	UCHAR		MaxSPLength:2;
-	UCHAR		Rsv1:1;
-	UCHAR		UAPSD_AC_BE:1;
-	UCHAR		UAPSD_AC_BK:1;
-	UCHAR		UAPSD_AC_VI:1;
-	UCHAR		UAPSD_AC_VO:1;
-#else
     UCHAR		UAPSD_AC_VO:1;
 	UCHAR		UAPSD_AC_VI:1;
 	UCHAR		UAPSD_AC_BK:1;
@@ -1085,20 +841,13 @@
 	UCHAR		Rsv1:1;
 	UCHAR		MaxSPLength:2;
 	UCHAR		Rsv2:1;
-#endif /* !RT_BIG_ENDIAN */
 } QBSS_STA_INFO_PARM, *PQBSS_STA_INFO_PARM;
 
 // QBSS Info field in QAP's Beacon/ProbeRsp
 typedef struct PACKED {
-#ifdef RT_BIG_ENDIAN
-	UCHAR		UAPSD:1;
-	UCHAR		Rsv:3;
-    UCHAR		ParamSetCount:4;
-#else
     UCHAR		ParamSetCount:4;
 	UCHAR		Rsv:3;
 	UCHAR		UAPSD:1;
-#endif /* !RT_BIG_ENDIAN */
 } QBSS_AP_INFO_PARM, *PQBSS_AP_INFO_PARM;
 
 // QOS Capability reported in QAP's BEACON/ProbeRsp
@@ -1349,21 +1098,12 @@
 typedef struct PACKED _RTMP_TX_RATE_SWITCH
 {
 	UCHAR   ItemNo;
-#ifdef RT_BIG_ENDIAN
-	UCHAR	Rsv2:2;
-	UCHAR	Mode:2;
-	UCHAR	Rsv1:1;
-	UCHAR	BW:1;
-	UCHAR	ShortGI:1;
-	UCHAR	STBC:1;
-#else
 	UCHAR	STBC:1;
 	UCHAR	ShortGI:1;
 	UCHAR	BW:1;
 	UCHAR	Rsv1:1;
 	UCHAR	Mode:2;
 	UCHAR	Rsv2:2;
-#endif
 	UCHAR   CurrMCS;
 	UCHAR   TrainUp;
 	UCHAR   TrainDown;
diff --git a/drivers/staging/rt2870/oid.h b/drivers/staging/rt2870/oid.h
index 37e598b..d343bd2 100644
--- a/drivers/staging/rt2870/oid.h
+++ b/drivers/staging/rt2870/oid.h
@@ -697,18 +697,6 @@
 
 // MIMO Tx parameter, ShortGI, MCS, STBC, etc.  these are fields in TXWI. Don't change this definition!!!
 typedef union  _HTTRANSMIT_SETTING {
-#ifdef RT_BIG_ENDIAN
-	struct	{
-	USHORT		MODE:2;	// Use definition MODE_xxx.
-//	USHORT		rsv:3;
-	USHORT		TxBF:1;
-	USHORT		rsv:2;
-	USHORT		STBC:2;	//SPACE
-	USHORT		ShortGI:1;
-	USHORT		BW:1;	//channel bandwidth 20MHz or 40 MHz
-	USHORT   	MCS:7;                 // MCS
-	}	field;
-#else
 	struct	{
 	USHORT   	MCS:7;                 // MCS
 	USHORT		BW:1;	//channel bandwidth 20MHz or 40 MHz
@@ -719,7 +707,6 @@
 	USHORT		TxBF:1;
 	USHORT		MODE:2;	// Use definition MODE_xxx.
 	}	field;
-#endif
 	USHORT		word;
  } HTTRANSMIT_SETTING, *PHTTRANSMIT_SETTING;
 
diff --git a/drivers/staging/rt2870/rt2870.h b/drivers/staging/rt2870/rt2870.h
index 72cb9a1..39f66c3 100644
--- a/drivers/staging/rt2870/rt2870.h
+++ b/drivers/staging/rt2870/rt2870.h
@@ -147,30 +147,6 @@
 //
 // RXINFO appends at the end of each rx packet.
 //
-#ifdef RT_BIG_ENDIAN
-typedef	struct	PACKED _RXINFO_STRUC {
-	UINT32		PlcpSignal:12;
-	UINT32		LastAMSDU:1;
-	UINT32		CipherAlg:1;
-	UINT32		PlcpRssil:1;
-	UINT32		Decrypted:1;
-	UINT32		AMPDU:1;		// To be moved
-	UINT32		L2PAD:1;
-	UINT32		RSSI:1;
-	UINT32		HTC:1;
-	UINT32		AMSDU:1;		// rx with 802.3 header, not 802.11 header.
-	UINT32		CipherErr:2;        // 0: decryption okay, 1:ICV error, 2:MIC error, 3:KEY not valid
-	UINT32		Crc:1;              // 1: CRC error
-	UINT32		MyBss:1;  	// 1: this frame belongs to the same BSSID
-	UINT32		Bcast:1;            // 1: this is a broadcast frame
-	UINT32		Mcast:1;            // 1: this is a multicast frame
-	UINT32		U2M:1;              // 1: this RX frame is unicast to me
-	UINT32		FRAG:1;
-	UINT32		NULLDATA:1;
-	UINT32		DATA:1;
-	UINT32		BA:1;
-}	RXINFO_STRUC, *PRXINFO_STRUC, RT28XX_RXD_STRUC, *PRT28XX_RXD_STRUC;
-#else
 typedef	struct	PACKED _RXINFO_STRUC {
 	UINT32		BA:1;
 	UINT32		DATA:1;
@@ -193,25 +169,10 @@
 	UINT32		LastAMSDU:1;
 	UINT32		PlcpSignal:12;
 }	RXINFO_STRUC, *PRXINFO_STRUC, RT28XX_RXD_STRUC, *PRT28XX_RXD_STRUC;
-#endif
-
 
 //
 // TXINFO
 //
-#ifdef RT_BIG_ENDIAN
-typedef	struct	_TXINFO_STRUC {
-	// Word	0
-	UINT32		USBDMATxburst:1;//used ONLY in USB bulk Aggre. Force USB DMA transmit frame from current selected endpoint
-	UINT32		USBDMANextVLD:1;	//used ONLY in USB bulk Aggregation, NextValid
-	UINT32		rsv2:2;  // Software use.
-	UINT32		SwUseLastRound:1; // Software use.
-	UINT32		QSEL:2;	// select on-chip FIFO ID for 2nd-stage output scheduler.0:MGMT, 1:HCCA 2:EDCA
-	UINT32		WIV:1;	// Wireless Info Valid. 1 if Driver already fill WI,  o if DMA needs to copy WI to correctposition
-	UINT32		rsv:8;
-	UINT32		USBDMATxPktLen:16;	//used ONLY in USB bulk Aggregation,  Total byte counts of all sub-frame.
-}	TXINFO_STRUC, *PTXINFO_STRUC;
-#else
 typedef	struct	_TXINFO_STRUC {
 	// Word	0
 	UINT32		USBDMATxPktLen:16;	//used ONLY in USB bulk Aggregation,  Total byte counts of all sub-frame.
@@ -223,7 +184,6 @@
 	UINT32		USBDMANextVLD:1;	//used ONLY in USB bulk Aggregation, NextValid
 	UINT32		USBDMATxburst:1;//used ONLY in USB bulk Aggre. Force USB DMA transmit frame from current selected endpoint
 }	TXINFO_STRUC, *PTXINFO_STRUC;
-#endif
 
 #define TXINFO_SIZE				4
 #define RXINFO_SIZE				4
diff --git a/drivers/staging/rt2870/rt28xx.h b/drivers/staging/rt2870/rt28xx.h
index 3927d22..8113062 100644
--- a/drivers/staging/rt2870/rt28xx.h
+++ b/drivers/staging/rt2870/rt28xx.h
@@ -54,32 +54,6 @@
 //
 #define DMA_CSR0      0x200
 #define INT_SOURCE_CSR      0x200
-#ifdef RT_BIG_ENDIAN
-typedef	union	_INT_SOURCE_CSR_STRUC	{
-	struct	{
-		UINT32       	:14;
-		UINT32       	TxCoherent:1;
-		UINT32       	RxCoherent:1;
-		UINT32       	GPTimer:1;
-		UINT32       	AutoWakeup:1;//bit14
-		UINT32       	TXFifoStatusInt:1;//FIFO Statistics is full, sw should read 0x171c
-		UINT32       	PreTBTT:1;
-		UINT32       	TBTTInt:1;
-		UINT32       	RxTxCoherent:1;
-		UINT32       	MCUCommandINT:1;
-		UINT32       	MgmtDmaDone:1;
-		UINT32       	HccaDmaDone:1;
-		UINT32       	Ac3DmaDone:1;
-		UINT32       	Ac2DmaDone:1;
-		UINT32       	Ac1DmaDone:1;
-		UINT32		Ac0DmaDone:1;
-		UINT32		RxDone:1;
-		UINT32		TxDelayINT:1;	//delayed interrupt, not interrupt until several int or time limit hit
-		UINT32		RxDelayINT:1; //dealyed interrupt
-	}	field;
-	UINT32			word;
-}	INT_SOURCE_CSR_STRUC, *PINT_SOURCE_CSR_STRUC;
-#else
 typedef	union	_INT_SOURCE_CSR_STRUC	{
 	struct	{
 		UINT32		RxDelayINT:1;
@@ -104,32 +78,11 @@
 	}	field;
 	UINT32			word;
 } INT_SOURCE_CSR_STRUC, *PINT_SOURCE_CSR_STRUC;
-#endif
 
 //
 // INT_MASK_CSR:   Interrupt MASK register.   1: the interrupt is mask OFF
 //
 #define INT_MASK_CSR        0x204
-#ifdef RT_BIG_ENDIAN
-typedef	union	_INT_MASK_CSR_STRUC	{
-	struct	{
-		UINT32       	TxCoherent:1;
-		UINT32       	RxCoherent:1;
-		UINT32       	:20;
-		UINT32       	MCUCommandINT:1;
-		UINT32       	MgmtDmaDone:1;
-		UINT32       	HccaDmaDone:1;
-		UINT32       	Ac3DmaDone:1;
-		UINT32       	Ac2DmaDone:1;
-		UINT32       	Ac1DmaDone:1;
-		UINT32		Ac0DmaDone:1;
-		UINT32		RxDone:1;
-		UINT32		TxDelay:1;
-		UINT32		RXDelay_INT_MSK:1;
-	}	field;
-	UINT32			word;
-}INT_MASK_CSR_STRUC, *PINT_MASK_CSR_STRUC;
-#else
 typedef	union	_INT_MASK_CSR_STRUC	{
 	struct	{
 		UINT32		RXDelay_INT_MSK:1;
@@ -148,24 +101,8 @@
 	}	field;
 	UINT32			word;
 } INT_MASK_CSR_STRUC, *PINT_MASK_CSR_STRUC;
-#endif
+
 #define WPDMA_GLO_CFG 	0x208
-#ifdef RT_BIG_ENDIAN
-typedef	union	_WPDMA_GLO_CFG_STRUC	{
-	struct	{
-		UINT32       	HDR_SEG_LEN:16;
-		UINT32       	RXHdrScater:8;
-		UINT32       	BigEndian:1;
-		UINT32       	EnTXWriteBackDDONE:1;
-		UINT32       	WPDMABurstSIZE:2;
-		UINT32		RxDMABusy:1;
-		UINT32		EnableRxDMA:1;
-		UINT32		TxDMABusy:1;
-		UINT32		EnableTxDMA:1;
-	}	field;
-	UINT32			word;
-}WPDMA_GLO_CFG_STRUC, *PWPDMA_GLO_CFG_STRUC;
-#else
 typedef	union	_WPDMA_GLO_CFG_STRUC	{
 	struct	{
 		UINT32		EnableTxDMA:1;
@@ -180,24 +117,8 @@
 	}	field;
 	UINT32			word;
 } WPDMA_GLO_CFG_STRUC, *PWPDMA_GLO_CFG_STRUC;
-#endif
+
 #define WPDMA_RST_IDX 	0x20c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_WPDMA_RST_IDX_STRUC	{
-	struct	{
-		UINT32       	:15;
-		UINT32       	RST_DRX_IDX0:1;
-		UINT32       	rsv:10;
-		UINT32       	RST_DTX_IDX5:1;
-		UINT32       	RST_DTX_IDX4:1;
-		UINT32		RST_DTX_IDX3:1;
-		UINT32		RST_DTX_IDX2:1;
-		UINT32		RST_DTX_IDX1:1;
-		UINT32		RST_DTX_IDX0:1;
-	}	field;
-	UINT32			word;
-}WPDMA_RST_IDX_STRUC, *PWPDMA_RST_IDX_STRUC;
-#else
 typedef	union	_WPDMA_RST_IDX_STRUC	{
 	struct	{
 		UINT32		RST_DTX_IDX0:1;
@@ -212,21 +133,8 @@
 	}	field;
 	UINT32			word;
 } WPDMA_RST_IDX_STRUC, *PWPDMA_RST_IDX_STRUC;
-#endif
+
 #define DELAY_INT_CFG  0x0210
-#ifdef RT_BIG_ENDIAN
-typedef	union	_DELAY_INT_CFG_STRUC	{
-	struct	{
-		UINT32       	TXDLY_INT_EN:1;
-		UINT32       	TXMAX_PINT:7;
-		UINT32       	TXMAX_PTIME:8;
-		UINT32       	RXDLY_INT_EN:1;
-		UINT32       	RXMAX_PINT:7;
-		UINT32		RXMAX_PTIME:8;
-	}	field;
-	UINT32			word;
-}DELAY_INT_CFG_STRUC, *PDELAY_INT_CFG_STRUC;
-#else
 typedef	union	_DELAY_INT_CFG_STRUC	{
 	struct	{
 		UINT32		RXMAX_PTIME:8;
@@ -238,20 +146,8 @@
 	}	field;
 	UINT32			word;
 } DELAY_INT_CFG_STRUC, *PDELAY_INT_CFG_STRUC;
-#endif
+
 #define WMM_AIFSN_CFG   0x0214
-#ifdef RT_BIG_ENDIAN
-typedef	union	_AIFSN_CSR_STRUC	{
-	struct	{
-	    UINT32   Rsv:16;
-	    UINT32   Aifsn3:4;       // for AC_VO
-	    UINT32   Aifsn2:4;       // for AC_VI
-	    UINT32   Aifsn1:4;       // for AC_BK
-	    UINT32   Aifsn0:4;       // for AC_BE
-	}	field;
-	UINT32			word;
-}	AIFSN_CSR_STRUC, *PAIFSN_CSR_STRUC;
-#else
 typedef	union	_AIFSN_CSR_STRUC	{
 	struct	{
 	    UINT32   Aifsn0:4;       // for AC_BE
@@ -262,23 +158,11 @@
 	}	field;
 	UINT32			word;
 }	AIFSN_CSR_STRUC, *PAIFSN_CSR_STRUC;
-#endif
+
 //
 // CWMIN_CSR: CWmin for each EDCA AC
 //
 #define WMM_CWMIN_CFG   0x0218
-#ifdef RT_BIG_ENDIAN
-typedef	union	_CWMIN_CSR_STRUC	{
-	struct	{
-	    UINT32   Rsv:16;
-	    UINT32   Cwmin3:4;       // for AC_VO
-	    UINT32   Cwmin2:4;       // for AC_VI
-	    UINT32   Cwmin1:4;       // for AC_BK
-	    UINT32   Cwmin0:4;       // for AC_BE
-	}	field;
-	UINT32			word;
-}	CWMIN_CSR_STRUC, *PCWMIN_CSR_STRUC;
-#else
 typedef	union	_CWMIN_CSR_STRUC	{
 	struct	{
 	    UINT32   Cwmin0:4;       // for AC_BE
@@ -289,24 +173,11 @@
 	}	field;
 	UINT32			word;
 }	CWMIN_CSR_STRUC, *PCWMIN_CSR_STRUC;
-#endif
 
 //
 // CWMAX_CSR: CWmin for each EDCA AC
 //
 #define WMM_CWMAX_CFG   0x021c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_CWMAX_CSR_STRUC	{
-	struct	{
-	    UINT32   Rsv:16;
-	    UINT32   Cwmax3:4;       // for AC_VO
-	    UINT32   Cwmax2:4;       // for AC_VI
-	    UINT32   Cwmax1:4;       // for AC_BK
-	    UINT32   Cwmax0:4;       // for AC_BE
-	}	field;
-	UINT32			word;
-}	CWMAX_CSR_STRUC, *PCWMAX_CSR_STRUC;
-#else
 typedef	union	_CWMAX_CSR_STRUC	{
 	struct	{
 	    UINT32   Cwmax0:4;       // for AC_BE
@@ -317,22 +188,11 @@
 	}	field;
 	UINT32			word;
 }	CWMAX_CSR_STRUC, *PCWMAX_CSR_STRUC;
-#endif
-
 
 //
 // AC_TXOP_CSR0: AC_BK/AC_BE TXOP register
 //
 #define WMM_TXOP0_CFG    0x0220
-#ifdef RT_BIG_ENDIAN
-typedef	union	_AC_TXOP_CSR0_STRUC	{
-	struct	{
-	    USHORT  Ac1Txop;        // for AC_BE, in unit of 32us
-	    USHORT  Ac0Txop;        // for AC_BK, in unit of 32us
-	}	field;
-	UINT32			word;
-}	AC_TXOP_CSR0_STRUC, *PAC_TXOP_CSR0_STRUC;
-#else
 typedef	union	_AC_TXOP_CSR0_STRUC	{
 	struct	{
 	    USHORT  Ac0Txop;        // for AC_BK, in unit of 32us
@@ -340,21 +200,11 @@
 	}	field;
 	UINT32			word;
 }	AC_TXOP_CSR0_STRUC, *PAC_TXOP_CSR0_STRUC;
-#endif
 
 //
 // AC_TXOP_CSR1: AC_VO/AC_VI TXOP register
 //
 #define WMM_TXOP1_CFG    0x0224
-#ifdef RT_BIG_ENDIAN
-typedef	union	_AC_TXOP_CSR1_STRUC	{
-	struct	{
-	    USHORT  Ac3Txop;        // for AC_VO, in unit of 32us
-	    USHORT  Ac2Txop;        // for AC_VI, in unit of 32us
-	}	field;
-	UINT32			word;
-}	AC_TXOP_CSR1_STRUC, *PAC_TXOP_CSR1_STRUC;
-#else
 typedef	union	_AC_TXOP_CSR1_STRUC	{
 	struct	{
 	    USHORT  Ac2Txop;        // for AC_VI, in unit of 32us
@@ -362,7 +212,7 @@
 	}	field;
 	UINT32			word;
 }	AC_TXOP_CSR1_STRUC, *PAC_TXOP_CSR1_STRUC;
-#endif
+
 #define RINGREG_DIFF			0x10
 #define GPIO_CTRL_CFG    0x0228	//MAC_CSR13
 #define MCU_CMD_CFG    0x022c
@@ -398,25 +248,7 @@
 #define RX_CRX_IDX       0x0298
 #define RX_DRX_IDX      0x029c
 #define USB_DMA_CFG      0x02a0
-#ifdef RT_BIG_ENDIAN
-typedef	union	_USB_DMA_CFG_STRUC	{
-	struct	{
-	    UINT32  TxBusy:1;   	//USB DMA TX FSM busy . debug only
-	    UINT32  RxBusy:1;        //USB DMA RX FSM busy . debug only
-	    UINT32  EpoutValid:6;        //OUT endpoint data valid. debug only
-	    UINT32  TxBulkEn:1;        //Enable USB DMA Tx
-	    UINT32  RxBulkEn:1;        //Enable USB DMA Rx
-	    UINT32  RxBulkAggEn:1;        //Enable Rx Bulk Aggregation
-	    UINT32  TxopHalt:1;        //Halt TXOP count down when TX buffer is full.
-	    UINT32  TxClear:1;        //Clear USB DMA TX path
-	    UINT32  rsv:2;
-	    UINT32  phyclear:1;        		//phy watch dog enable. write 1
-	    UINT32  RxBulkAggLmt:8;        //Rx Bulk Aggregation Limit  in unit of 1024 bytes
-	    UINT32  RxBulkAggTOut:8;        //Rx Bulk Aggregation TimeOut  in unit of 33ns
-	}	field;
-	UINT32			word;
-}	USB_DMA_CFG_STRUC, *PUSB_DMA_CFG_STRUC;
-#else
+
 typedef	union	_USB_DMA_CFG_STRUC	{
 	struct	{
 	    UINT32  RxBulkAggTOut:8;        //Rx Bulk Aggregation TimeOut  in unit of 33ns
@@ -434,7 +266,6 @@
 	}	field;
 	UINT32			word;
 }	USB_DMA_CFG_STRUC, *PUSB_DMA_CFG_STRUC;
-#endif
 
 //
 //  3  PBF  registers
@@ -458,15 +289,6 @@
 //  4.1 MAC SYSTEM  configuration registers (offset:0x1000)
 //
 #define MAC_CSR0            0x1000
-#ifdef RT_BIG_ENDIAN
-typedef	union	_ASIC_VER_ID_STRUC	{
-	struct	{
-	    USHORT  ASICVer;        // version : 2860
-	    USHORT  ASICRev;        // reversion  : 0
-	}	field;
-	UINT32			word;
-}	ASIC_VER_ID_STRUC, *PASIC_VER_ID_STRUC;
-#else
 typedef	union	_ASIC_VER_ID_STRUC	{
 	struct	{
 	    USHORT  ASICRev;        // reversion  : 0
@@ -474,24 +296,13 @@
 	}	field;
 	UINT32			word;
 }	ASIC_VER_ID_STRUC, *PASIC_VER_ID_STRUC;
-#endif
+
 #define MAC_SYS_CTRL            0x1004		//MAC_CSR1
 #define MAC_ADDR_DW0            		0x1008		// MAC ADDR DW0
 #define MAC_ADDR_DW1           		 0x100c		// MAC ADDR DW1
 //
 // MAC_CSR2: STA MAC register 0
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_MAC_DW0_STRUC	{
-	struct	{
-		UCHAR		Byte3;		// MAC address byte 3
-		UCHAR		Byte2;		// MAC address byte 2
-		UCHAR		Byte1;		// MAC address byte 1
-		UCHAR		Byte0;		// MAC address byte 0
-	}	field;
-	UINT32			word;
-}	MAC_DW0_STRUC, *PMAC_DW0_STRUC;
-#else
 typedef	union	_MAC_DW0_STRUC	{
 	struct	{
 		UCHAR		Byte0;		// MAC address byte 0
@@ -501,22 +312,10 @@
 	}	field;
 	UINT32			word;
 }	MAC_DW0_STRUC, *PMAC_DW0_STRUC;
-#endif
 
 //
 // MAC_CSR3: STA MAC register 1
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_MAC_DW1_STRUC	{
-	struct	{
-		UCHAR		Rsvd1;
-		UCHAR		U2MeMask;
-		UCHAR		Byte5;		// MAC address byte 5
-		UCHAR		Byte4;		// MAC address byte 4
-	}	field;
-	UINT32			word;
-}	MAC_DW1_STRUC, *PMAC_DW1_STRUC;
-#else
 typedef	union	_MAC_DW1_STRUC	{
 	struct	{
 		UCHAR		Byte4;		// MAC address byte 4
@@ -526,7 +325,6 @@
 	}	field;
 	UINT32			word;
 }	MAC_DW1_STRUC, *PMAC_DW1_STRUC;
-#endif
 
 #define MAC_BSSID_DW0            		0x1010		// MAC BSSID DW0
 #define MAC_BSSID_DW1            		0x1014		// MAC BSSID DW1
@@ -534,18 +332,6 @@
 //
 // MAC_CSR5: BSSID register 1
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_MAC_CSR5_STRUC	{
-	struct	{
-		USHORT		Rsvd:11;
-		USHORT		MBssBcnNum:3;
-		USHORT		BssIdMode:2; // 0: one BSSID, 10: 4 BSSID,  01: 2 BSSID , 11: 8BSSID
-		UCHAR		Byte5;		 // BSSID byte 5
-		UCHAR		Byte4;		 // BSSID byte 4
-	}	field;
-	UINT32			word;
-}	MAC_CSR5_STRUC, *PMAC_CSR5_STRUC;
-#else
 typedef	union	_MAC_CSR5_STRUC	{
 	struct	{
 		UCHAR		Byte4;		 // BSSID byte 4
@@ -556,27 +342,12 @@
 	}	field;
 	UINT32			word;
 }	MAC_CSR5_STRUC, *PMAC_CSR5_STRUC;
-#endif
 
 #define MAX_LEN_CFG              0x1018		// rt2860b max 16k bytes. bit12:13 Maximum PSDU length (power factor) 0:2^13, 1:2^14, 2:2^15, 3:2^16
 #define BBP_CSR_CFG            		0x101c		//
 //
 // BBP_CSR_CFG: BBP serial control register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_BBP_CSR_CFG_STRUC	{
-	struct	{
-		UINT32		:12;
-		UINT32		BBP_RW_MODE:1;		// 0: use serial mode  1:parallel
-		UINT32		BBP_PAR_DUR:1;		    // 0: 4 MAC clock cycles  1: 8 MAC clock cycles
-		UINT32		Busy:1;				// 1: ASIC is busy execute BBP programming.
-		UINT32		fRead:1;		    // 0: Write	BBP, 1:	Read BBP
-		UINT32		RegNum:8;			// Selected	BBP	register
-		UINT32		Value:8;			// Register	value to program into BBP
-	}	field;
-	UINT32			word;
-}	BBP_CSR_CFG_STRUC, *PBBP_CSR_CFG_STRUC;
-#else
 typedef	union	_BBP_CSR_CFG_STRUC	{
 	struct	{
 		UINT32		Value:8;			// Register	value to program into BBP
@@ -589,23 +360,11 @@
 	}	field;
 	UINT32			word;
 }	BBP_CSR_CFG_STRUC, *PBBP_CSR_CFG_STRUC;
-#endif
+
 #define RF_CSR_CFG0            		0x1020
 //
 // RF_CSR_CFG: RF control register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RF_CSR_CFG0_STRUC	{
-	struct	{
-		UINT32		Busy:1;		    // 0: idle 1: 8busy
-		UINT32		Sel:1;				// 0:RF_LE0 activate  1:RF_LE1 activate
-		UINT32		StandbyMode:1;		    // 0: high when stand by 1:	low when standby
-		UINT32		bitwidth:5;			// Selected	BBP	register
-		UINT32		RegIdAndContent:24;			// Register	value to program into BBP
-	}	field;
-	UINT32			word;
-}	RF_CSR_CFG0_STRUC, *PRF_CSR_CFG0_STRUC;
-#else
 typedef	union	_RF_CSR_CFG0_STRUC	{
 	struct	{
 		UINT32		RegIdAndContent:24;			// Register	value to program into BBP
@@ -616,18 +375,8 @@
 	}	field;
 	UINT32			word;
 }	RF_CSR_CFG0_STRUC, *PRF_CSR_CFG0_STRUC;
-#endif
+
 #define RF_CSR_CFG1           		0x1024
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RF_CSR_CFG1_STRUC	{
-	struct	{
-		UINT32		rsv:7;		    // 0: idle 1: 8busy
-		UINT32		RFGap:5;			// Gap between BB_CONTROL_RF and RF_LE. 0: 3 system clock cycle (37.5usec) 1: 5 system clock cycle (62.5usec)
-		UINT32		RegIdAndContent:24;			// Register	value to program into BBP
-	}	field;
-	UINT32			word;
-}	RF_CSR_CFG1_STRUC, *PRF_CSR_CFG1_STRUC;
-#else
 typedef	union	_RF_CSR_CFG1_STRUC	{
 	struct	{
 		UINT32		RegIdAndContent:24;			// Register	value to program into BBP
@@ -636,17 +385,8 @@
 	}	field;
 	UINT32			word;
 }	RF_CSR_CFG1_STRUC, *PRF_CSR_CFG1_STRUC;
-#endif
+
 #define RF_CSR_CFG2           		0x1028		//
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RF_CSR_CFG2_STRUC	{
-	struct	{
-		UINT32		rsv:8;		    // 0: idle 1: 8busy
-		UINT32		RegIdAndContent:24;			// Register	value to program into BBP
-	}	field;
-	UINT32			word;
-}	RF_CSR_CFG2_STRUC, *PRF_CSR_CFG2_STRUC;
-#else
 typedef	union	_RF_CSR_CFG2_STRUC	{
 	struct	{
 		UINT32		RegIdAndContent:24;			// Register	value to program into BBP
@@ -654,24 +394,8 @@
 	}	field;
 	UINT32			word;
 }	RF_CSR_CFG2_STRUC, *PRF_CSR_CFG2_STRUC;
-#endif
+
 #define LED_CFG           		0x102c		//  MAC_CSR14
-#ifdef RT_BIG_ENDIAN
-typedef	union	_LED_CFG_STRUC	{
-	struct	{
-		UINT32		:1;
-		UINT32		LedPolar:1;			// Led Polarity.  0: active low1: active high
-		UINT32		YLedMode:2;			// yellow Led Mode
-		UINT32		GLedMode:2;			// green Led Mode
-		UINT32		RLedMode:2;			// red Led Mode    0: off1: blinking upon TX2: periodic slow blinking3: always on
-		UINT32		rsv:2;
-		UINT32		SlowBlinkPeriod:6;			// slow blinking period. unit:1ms
-		UINT32		OffPeriod:8;			// blinking off period unit 1ms
-		UINT32		OnPeriod:8;			// blinking on period unit 1ms
-	}	field;
-	UINT32			word;
-}	LED_CFG_STRUC, *PLED_CFG_STRUC;
-#else
 typedef	union	_LED_CFG_STRUC	{
 	struct	{
 		UINT32		OnPeriod:8;			// blinking on period unit 1ms
@@ -686,24 +410,11 @@
 	}	field;
 	UINT32			word;
 }	LED_CFG_STRUC, *PLED_CFG_STRUC;
-#endif
+
 //
 //  4.2 MAC TIMING  configuration registers (offset:0x1100)
 //
 #define XIFS_TIME_CFG             0x1100		 // MAC_CSR8  MAC_CSR9
-#ifdef RT_BIG_ENDIAN
-typedef	union	_IFS_SLOT_CFG_STRUC	{
-	struct	{
-	    UINT32  rsv:2;
-	    UINT32  BBRxendEnable:1;        //  reference RXEND signal to begin XIFS defer
-	    UINT32  EIFS:9;        //  unit 1us
-	    UINT32  OfdmXifsTime:4;        //OFDM SIFS. unit 1us. Applied after OFDM RX when MAC doesn't reference BBP signal BBRXEND
-	    UINT32  OfdmSifsTime:8;        //  unit 1us. Applied after OFDM RX/TX
-	    UINT32  CckmSifsTime:8;        //  unit 1us. Applied after CCK RX/TX
-	}	field;
-	UINT32			word;
-}	IFS_SLOT_CFG_STRUC, *PIFS_SLOT_CFG_STRUC;
-#else
 typedef	union	_IFS_SLOT_CFG_STRUC	{
 	struct	{
 	    UINT32  CckmSifsTime:8;        //  unit 1us. Applied after CCK RX/TX
@@ -715,7 +426,6 @@
 	}	field;
 	UINT32			word;
 }	IFS_SLOT_CFG_STRUC, *PIFS_SLOT_CFG_STRUC;
-#endif
 
 #define BKOFF_SLOT_CFG             0x1104		 //  mac_csr9 last 8 bits
 #define NAV_TIME_CFG             0x1108		 // NAV  (MAC_CSR15)
@@ -729,20 +439,6 @@
 //
 // BCN_TIME_CFG : Synchronization control register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_BCN_TIME_CFG_STRUC	{
-	struct	{
-		UINT32		TxTimestampCompensate:8;
-        UINT32       :3;
-		UINT32		bBeaconGen:1;		// Enable beacon generator
-        UINT32       bTBTTEnable:1;
-		UINT32		TsfSyncMode:2;		// Enable TSF sync, 00: disable, 01: infra mode, 10: ad-hoc mode
-		UINT32		bTsfTicking:1;		// Enable TSF auto counting
-		UINT32       BeaconInterval:16;  // in unit of 1/16 TU
-	}	field;
-	UINT32			word;
-}	BCN_TIME_CFG_STRUC, *PBCN_TIME_CFG_STRUC;
-#else
 typedef	union	_BCN_TIME_CFG_STRUC	{
 	struct	{
 		UINT32       BeaconInterval:16;  // in unit of 1/16 TU
@@ -755,7 +451,7 @@
 	}	field;
 	UINT32			word;
 }	BCN_TIME_CFG_STRUC, *PBCN_TIME_CFG_STRUC;
-#endif
+
 #define TBTT_SYNC_CFG            0x1118  		// txrx_csr10
 #define TSF_TIMER_DW0             0x111C  		// Local TSF timer lsb 32 bits. Read-only
 #define TSF_TIMER_DW1             0x1120  		// msb 32 bits. Read-only.
@@ -773,17 +469,6 @@
 //
 // AUTO_WAKEUP_CFG: Manual power control / status register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_AUTO_WAKEUP_STRUC	{
-	struct	{
-		UINT32		:16;
-		UINT32		EnableAutoWakeup:1;	// 0:sleep, 1:awake
-		UINT32       NumofSleepingTbtt:7;          // ForceWake has high privilege than PutToSleep when both set
-		UINT32       AutoLeadTime:8;
-	}	field;
-	UINT32			word;
-}	AUTO_WAKEUP_STRUC, *PAUTO_WAKEUP_STRUC;
-#else
 typedef	union	_AUTO_WAKEUP_STRUC	{
 	struct	{
 		UINT32       AutoLeadTime:8;
@@ -793,7 +478,7 @@
 	}	field;
 	UINT32			word;
 }	AUTO_WAKEUP_STRUC, *PAUTO_WAKEUP_STRUC;
-#endif
+
 //
 //  4.3 MAC TX  configuration registers (offset:0x1300)
 //
@@ -802,18 +487,6 @@
 #define EDCA_AC1_CFG	0x1304
 #define EDCA_AC2_CFG	0x1308
 #define EDCA_AC3_CFG	0x130c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_EDCA_AC_CFG_STRUC	{
-	struct	{
-	    UINT32  :12;        //
-	    UINT32  Cwmax:4;        //unit power of 2
-	    UINT32  Cwmin:4;        //
-	    UINT32  Aifsn:4;        // # of slot time
-	    UINT32  AcTxop:8;        //  in unit of 32us
-	}	field;
-	UINT32			word;
-}	EDCA_AC_CFG_STRUC, *PEDCA_AC_CFG_STRUC;
-#else
 typedef	union	_EDCA_AC_CFG_STRUC	{
 	struct	{
 	    UINT32  AcTxop:8;        //  in unit of 32us
@@ -824,7 +497,6 @@
 	}	field;
 	UINT32			word;
 }	EDCA_AC_CFG_STRUC, *PEDCA_AC_CFG_STRUC;
-#endif
 
 #define EDCA_TID_AC_MAP	0x1310
 #define TX_PWR_CFG_0	0x1314
@@ -841,17 +513,6 @@
 #define TXOP_CTRL_CFG		0x1340
 #define TX_RTS_CFG		0x1344
 
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_RTS_CFG_STRUC	{
-	struct	{
-	    UINT32       rsv:7;
-	    UINT32       RtsFbkEn:1;    // enable rts rate fallback
-	    UINT32       RtsThres:16;    // unit:byte
-	    UINT32       AutoRtsRetryLimit:8;
-	}	field;
-	UINT32			word;
-}	TX_RTS_CFG_STRUC, *PTX_RTS_CFG_STRUC;
-#else
 typedef	union	_TX_RTS_CFG_STRUC	{
 	struct	{
 	    UINT32       AutoRtsRetryLimit:8;
@@ -861,20 +522,8 @@
 	}	field;
 	UINT32			word;
 }	TX_RTS_CFG_STRUC, *PTX_RTS_CFG_STRUC;
-#endif
+
 #define TX_TIMEOUT_CFG	0x1348
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_TIMEOUT_CFG_STRUC	{
-	struct	{
-	    UINT32       rsv2:8;
-	    UINT32       TxopTimeout:8;	//TXOP timeout value for TXOP truncation.  It is recommended that (SLOT_TIME) > (TX_OP_TIMEOUT) > (RX_ACK_TIMEOUT)
-	    UINT32       RxAckTimeout:8;	// unit:slot. Used for TX precedure
-	    UINT32       MpduLifeTime:4;    //  expiration time = 2^(9+MPDU LIFE TIME)  us
-	    UINT32       rsv:4;
-	}	field;
-	UINT32			word;
-}	TX_TIMEOUT_CFG_STRUC, *PTX_TIMEOUT_CFG_STRUC;
-#else
 typedef	union	_TX_TIMEOUT_CFG_STRUC	{
 	struct	{
 	    UINT32       rsv:4;
@@ -885,23 +534,8 @@
 	}	field;
 	UINT32			word;
 }	TX_TIMEOUT_CFG_STRUC, *PTX_TIMEOUT_CFG_STRUC;
-#endif
-#define TX_RTY_CFG	0x134c
-#ifdef RT_BIG_ENDIAN
-typedef	union PACKED _TX_RTY_CFG_STRUC	{
-	struct	{
-	    UINT32       rsv:1;
-	    UINT32       TxautoFBEnable:1;    // Tx retry PHY rate auto fallback enable
-	    UINT32       AggRtyMode:1;	// Aggregate MPDU retry mode.  0:expired by retry limit, 1: expired by mpdu life timer
-	    UINT32       NonAggRtyMode:1;	// Non-Aggregate MPDU retry mode.  0:expired by retry limit, 1: expired by mpdu life timer
-	    UINT32       LongRtyThre:12;	// Long retry threshoold
-	    UINT32       LongRtyLimit:8;	//long retry limit
-	    UINT32       ShortRtyLimit:8;	//  short retry limit
 
-	}	field;
-	UINT32			word;
-}	TX_RTY_CFG_STRUC, *PTX_RTY_CFG_STRUC;
-#else
+#define TX_RTY_CFG	0x134c
 typedef	union PACKED _TX_RTY_CFG_STRUC	{
 	struct	{
 	    UINT32       ShortRtyLimit:8;	//  short retry limit
@@ -914,24 +548,8 @@
 	}	field;
 	UINT32			word;
 }	TX_RTY_CFG_STRUC, *PTX_RTY_CFG_STRUC;
-#endif
+
 #define TX_LINK_CFG	0x1350
-#ifdef RT_BIG_ENDIAN
-typedef	union	PACKED _TX_LINK_CFG_STRUC	{
-	struct PACKED {
-	    UINT32       RemotMFS:8;	//remote MCS feedback sequence number
-	    UINT32       RemotMFB:8;    //  remote MCS feedback
-	    UINT32       rsv:3;	//
-	    UINT32       TxCFAckEn:1;	//   Piggyback CF-ACK enable
-	    UINT32       TxRDGEn:1;	// RDG TX enable
-	    UINT32       TxMRQEn:1;	//  MCS request TX enable
-	    UINT32       RemoteUMFSEnable:1;	//  remote unsolicit  MFB enable.  0: not apply remote remote unsolicit (MFS=7)
-	    UINT32       MFBEnable:1;	//  TX apply remote MFB 1:enable
-	    UINT32       RemoteMFBLifeTime:8;	//remote MFB life time. unit : 32us
-	}	field;
-	UINT32			word;
-}	TX_LINK_CFG_STRUC, *PTX_LINK_CFG_STRUC;
-#else
 typedef	union	PACKED _TX_LINK_CFG_STRUC	{
 	struct PACKED {
 	    UINT32       RemoteMFBLifeTime:8;	//remote MFB life time. unit : 32us
@@ -946,23 +564,8 @@
 	}	field;
 	UINT32			word;
 }	TX_LINK_CFG_STRUC, *PTX_LINK_CFG_STRUC;
-#endif
+
 #define HT_FBK_CFG0	0x1354
-#ifdef RT_BIG_ENDIAN
-typedef	union PACKED _HT_FBK_CFG0_STRUC	{
-	struct	{
-	    UINT32       HTMCS7FBK:4;
-	    UINT32       HTMCS6FBK:4;
-	    UINT32       HTMCS5FBK:4;
-	    UINT32       HTMCS4FBK:4;
-	    UINT32       HTMCS3FBK:4;
-	    UINT32       HTMCS2FBK:4;
-	    UINT32       HTMCS1FBK:4;
-	    UINT32       HTMCS0FBK:4;
-	}	field;
-	UINT32			word;
-}	HT_FBK_CFG0_STRUC, *PHT_FBK_CFG0_STRUC;
-#else
 typedef	union PACKED _HT_FBK_CFG0_STRUC	{
 	struct	{
 	    UINT32       HTMCS0FBK:4;
@@ -976,23 +579,8 @@
 	}	field;
 	UINT32			word;
 }	HT_FBK_CFG0_STRUC, *PHT_FBK_CFG0_STRUC;
-#endif
+
 #define HT_FBK_CFG1	0x1358
-#ifdef RT_BIG_ENDIAN
-typedef	union	_HT_FBK_CFG1_STRUC	{
-	struct	{
-	    UINT32       HTMCS15FBK:4;
-	    UINT32       HTMCS14FBK:4;
-	    UINT32       HTMCS13FBK:4;
-	    UINT32       HTMCS12FBK:4;
-	    UINT32       HTMCS11FBK:4;
-	    UINT32       HTMCS10FBK:4;
-	    UINT32       HTMCS9FBK:4;
-	    UINT32       HTMCS8FBK:4;
-	}	field;
-	UINT32			word;
-}	HT_FBK_CFG1_STRUC, *PHT_FBK_CFG1_STRUC;
-#else
 typedef	union	_HT_FBK_CFG1_STRUC	{
 	struct	{
 	    UINT32       HTMCS8FBK:4;
@@ -1006,23 +594,8 @@
 	}	field;
 	UINT32			word;
 }	HT_FBK_CFG1_STRUC, *PHT_FBK_CFG1_STRUC;
-#endif
+
 #define LG_FBK_CFG0	0x135c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_LG_FBK_CFG0_STRUC	{
-	struct	{
-	    UINT32       OFDMMCS7FBK:4;	//initial value is 6
-	    UINT32       OFDMMCS6FBK:4;	//initial value is 5
-	    UINT32       OFDMMCS5FBK:4;	//initial value is 4
-	    UINT32       OFDMMCS4FBK:4;	//initial value is 3
-	    UINT32       OFDMMCS3FBK:4;	//initial value is 2
-	    UINT32       OFDMMCS2FBK:4;	//initial value is 1
-	    UINT32       OFDMMCS1FBK:4;	//initial value is 0
-	    UINT32       OFDMMCS0FBK:4;	//initial value is 0
-	}	field;
-	UINT32			word;
-}	LG_FBK_CFG0_STRUC, *PLG_FBK_CFG0_STRUC;
-#else
 typedef	union	_LG_FBK_CFG0_STRUC	{
 	struct	{
 	    UINT32       OFDMMCS0FBK:4;	//initial value is 0
@@ -1036,20 +609,8 @@
 	}	field;
 	UINT32			word;
 }	LG_FBK_CFG0_STRUC, *PLG_FBK_CFG0_STRUC;
-#endif
+
 #define LG_FBK_CFG1		0x1360
-#ifdef RT_BIG_ENDIAN
-typedef	union	_LG_FBK_CFG1_STRUC	{
-	struct	{
-	    UINT32       rsv:16;
-	    UINT32       CCKMCS3FBK:4;	//initial value is 2
-	    UINT32       CCKMCS2FBK:4;	//initial value is 1
-	    UINT32       CCKMCS1FBK:4;	//initial value is 0
-	    UINT32       CCKMCS0FBK:4;	//initial value is 0
-	}	field;
-	UINT32			word;
-}	LG_FBK_CFG1_STRUC, *PLG_FBK_CFG1_STRUC;
-#else
 typedef	union	_LG_FBK_CFG1_STRUC	{
 	struct	{
 	    UINT32       CCKMCS0FBK:4;	//initial value is 0
@@ -1060,7 +621,6 @@
 	}	field;
 	UINT32			word;
 }	LG_FBK_CFG1_STRUC, *PLG_FBK_CFG1_STRUC;
-#endif
 
 //=======================================================
 //================ Protection Paramater================================
@@ -1070,24 +630,6 @@
 #define ASIC_LONGNAV		2
 #define ASIC_RTS		1
 #define ASIC_CTS		2
-#ifdef RT_BIG_ENDIAN
-typedef	union	_PROT_CFG_STRUC	{
-	struct	{
-	    UINT32       rsv:5;
-	    UINT32       RTSThEn:1;	//RTS threshold enable on CCK TX
-	    UINT32       TxopAllowGF40:1;	//CCK TXOP allowance.0:disallow.
-	    UINT32       TxopAllowGF20:1;	//CCK TXOP allowance.0:disallow.
-	    UINT32       TxopAllowMM40:1;	//CCK TXOP allowance.0:disallow.
-	    UINT32       TxopAllowMM20:1;	//CCK TXOP allowance. 0:disallow.
-	    UINT32       TxopAllowOfdm:1;	//CCK TXOP allowance.0:disallow.
-	    UINT32       TxopAllowCck:1;	//CCK TXOP allowance.0:disallow.
-	    UINT32       ProtectNav:2;	//TXOP protection type for CCK TX. 0:None, 1:ShortNAVprotect,  2:LongNAVProtect, 3:rsv
-	    UINT32       ProtectCtrl:2;	//Protection control frame type for CCK TX. 1:RTS/CTS, 2:CTS-to-self, 0:None, 3:rsv
-	    UINT32       ProtectRate:16;	//Protection control frame rate for CCK TX(RTS/CTS/CFEnd).
-	}	field;
-	UINT32			word;
-}	PROT_CFG_STRUC, *PPROT_CFG_STRUC;
-#else
 typedef	union	_PROT_CFG_STRUC	{
 	struct	{
 	    UINT32       ProtectRate:16;	//Protection control frame rate for CCK TX(RTS/CTS/CFEnd).
@@ -1104,7 +646,6 @@
 	}	field;
 	UINT32			word;
 }	PROT_CFG_STRUC, *PPROT_CFG_STRUC;
-#endif
 
 #define OFDM_PROT_CFG	0x1368		//OFDM Protection
 #define MM20_PROT_CFG	0x136C		//MM20 Protection
@@ -1122,22 +663,6 @@
 //
 // TXRX_CSR4: Auto-Responder/
 //
-#ifdef RT_BIG_ENDIAN
-typedef union _AUTO_RSP_CFG_STRUC {
- struct {
-     UINT32        :24;
-     UINT32       AckCtsPsmBit:1;   // Power bit value in conrtrol frame
-     UINT32       DualCTSEn:1;   // Power bit value in conrtrol frame
-     UINT32       rsv:1;   // Power bit value in conrtrol frame
-     UINT32       AutoResponderPreamble:1;    // 0:long, 1:short preamble
-     UINT32       CTS40MRef:1;  // Response CTS 40MHz duplicate mode
-     UINT32       CTS40MMode:1;  // Response CTS 40MHz duplicate mode
-     UINT32       BACAckPolicyEnable:1;    // 0:long, 1:short preamble
-     UINT32       AutoResponderEnable:1;
- } field;
- UINT32   word;
-} AUTO_RSP_CFG_STRUC, *PAUTO_RSP_CFG_STRUC;
-#else
 typedef union _AUTO_RSP_CFG_STRUC {
  struct {
      UINT32       AutoResponderEnable:1;
@@ -1152,7 +677,6 @@
  } field;
  UINT32   word;
 } AUTO_RSP_CFG_STRUC, *PAUTO_RSP_CFG_STRUC;
-#endif
 
 #define LEGACY_BASIC_RATE	0x1408	//  TXRX_CSR5           0x3054
 #define HT_BASIC_RATE		0x140c
@@ -1185,15 +709,6 @@
 //
 // RX_STA_CNT0_STRUC: RX PLCP error count & RX CRC error count
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RX_STA_CNT0_STRUC	{
-	struct	{
-	    USHORT  PhyErr;
-	    USHORT  CrcErr;
-	}	field;
-	UINT32			word;
-}	RX_STA_CNT0_STRUC, *PRX_STA_CNT0_STRUC;
-#else
 typedef	union	_RX_STA_CNT0_STRUC	{
 	struct	{
 	    USHORT  CrcErr;
@@ -1201,20 +716,10 @@
 	}	field;
 	UINT32			word;
 }	RX_STA_CNT0_STRUC, *PRX_STA_CNT0_STRUC;
-#endif
 
 //
 // RX_STA_CNT1_STRUC: RX False CCA count & RX LONG frame count
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RX_STA_CNT1_STRUC	{
-	struct	{
-	    USHORT  PlcpErr;
-	    USHORT  FalseCca;
-	}	field;
-	UINT32			word;
-}	RX_STA_CNT1_STRUC, *PRX_STA_CNT1_STRUC;
-#else
 typedef	union	_RX_STA_CNT1_STRUC	{
 	struct	{
 	    USHORT  FalseCca;
@@ -1222,20 +727,10 @@
 	}	field;
 	UINT32			word;
 }	RX_STA_CNT1_STRUC, *PRX_STA_CNT1_STRUC;
-#endif
 
 //
 // RX_STA_CNT2_STRUC:
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RX_STA_CNT2_STRUC	{
-	struct	{
-	    USHORT  RxFifoOverflowCount;
-	    USHORT  RxDupliCount;
-	}	field;
-	UINT32			word;
-}	RX_STA_CNT2_STRUC, *PRX_STA_CNT2_STRUC;
-#else
 typedef	union	_RX_STA_CNT2_STRUC	{
 	struct	{
 	    USHORT  RxDupliCount;
@@ -1243,20 +738,11 @@
 	}	field;
 	UINT32			word;
 }	RX_STA_CNT2_STRUC, *PRX_STA_CNT2_STRUC;
-#endif
+
 #define TX_STA_CNT0		0x170C		//
 //
 // STA_CSR3: TX Beacon count
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_STA_CNT0_STRUC	{
-	struct	{
-	    USHORT  TxBeaconCount;
-	    USHORT  TxFailCount;
-	}	field;
-	UINT32			word;
-}	TX_STA_CNT0_STRUC, *PTX_STA_CNT0_STRUC;
-#else
 typedef	union	_TX_STA_CNT0_STRUC	{
 	struct	{
 	    USHORT  TxFailCount;
@@ -1264,20 +750,11 @@
 	}	field;
 	UINT32			word;
 }	TX_STA_CNT0_STRUC, *PTX_STA_CNT0_STRUC;
-#endif
+
 #define TX_STA_CNT1		0x1710		//
 //
 // TX_STA_CNT1: TX tx count
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_STA_CNT1_STRUC	{
-	struct	{
-	    USHORT  TxRetransmit;
-	    USHORT  TxSuccess;
-	}	field;
-	UINT32			word;
-}	TX_STA_CNT1_STRUC, *PTX_STA_CNT1_STRUC;
-#else
 typedef	union	_TX_STA_CNT1_STRUC	{
 	struct	{
 	    USHORT  TxSuccess;
@@ -1285,20 +762,11 @@
 	}	field;
 	UINT32			word;
 }	TX_STA_CNT1_STRUC, *PTX_STA_CNT1_STRUC;
-#endif
+
 #define TX_STA_CNT2		0x1714		//
 //
 // TX_STA_CNT2: TX tx count
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_STA_CNT2_STRUC	{
-	struct	{
-	    USHORT  TxUnderFlowCount;
-	    USHORT  TxZeroLenCount;
-	}	field;
-	UINT32			word;
-}	TX_STA_CNT2_STRUC, *PTX_STA_CNT2_STRUC;
-#else
 typedef	union	_TX_STA_CNT2_STRUC	{
 	struct	{
 	    USHORT  TxZeroLenCount;
@@ -1306,28 +774,11 @@
 	}	field;
 	UINT32			word;
 }	TX_STA_CNT2_STRUC, *PTX_STA_CNT2_STRUC;
-#endif
+
 #define TX_STA_FIFO		0x1718		//
 //
 // TX_STA_FIFO_STRUC: TX Result for specific PID status fifo register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union PACKED _TX_STA_FIFO_STRUC	{
-	struct	{
-		UINT32		Reserve:2;
-		UINT32		TxBF:1; // 3*3
-		UINT32		SuccessRate:13;	//include MCS, mode ,shortGI, BW settingSame format as TXWI Word 0 Bit 31-16.
-//		UINT32		SuccessRate:16;	//include MCS, mode ,shortGI, BW settingSame format as TXWI Word 0 Bit 31-16.
-		UINT32		wcid:8;		//wireless client index
-		UINT32       	TxAckRequired:1;    // ack required
-		UINT32       	TxAggre:1;    // Tx is aggregated
-		UINT32       	TxSuccess:1;   // Tx success. whether success or not
-		UINT32       	PidType:4;
-		UINT32       	bValid:1;   // 1:This register contains a valid TX result
-	}	field;
-	UINT32			word;
-}	TX_STA_FIFO_STRUC, *PTX_STA_FIFO_STRUC;
-#else
 typedef	union PACKED _TX_STA_FIFO_STRUC	{
 	struct	{
 		UINT32       	bValid:1;   // 1:This register contains a valid TX result
@@ -1343,18 +794,9 @@
 	}	field;
 	UINT32			word;
 }	TX_STA_FIFO_STRUC, *PTX_STA_FIFO_STRUC;
-#endif
+
 // Debug counter
 #define TX_AGG_CNT	0x171c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT_STRUC	{
-	struct	{
-	    USHORT  AggTxCount;
-	    USHORT  NonAggTxCount;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT_STRUC, *PTX_AGG_CNT_STRUC;
-#else
 typedef	union	_TX_AGG_CNT_STRUC	{
 	struct	{
 	    USHORT  NonAggTxCount;
@@ -1362,18 +804,9 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT_STRUC, *PTX_AGG_CNT_STRUC;
-#endif
+
 // Debug counter
 #define TX_AGG_CNT0	0x1720
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT0_STRUC	{
-	struct	{
-	    USHORT  AggSize2Count;
-	    USHORT  AggSize1Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT0_STRUC, *PTX_AGG_CNT0_STRUC;
-#else
 typedef	union	_TX_AGG_CNT0_STRUC	{
 	struct	{
 	    USHORT  AggSize1Count;
@@ -1381,18 +814,9 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT0_STRUC, *PTX_AGG_CNT0_STRUC;
-#endif
+
 // Debug counter
 #define TX_AGG_CNT1	0x1724
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT1_STRUC	{
-	struct	{
-	    USHORT  AggSize4Count;
-	    USHORT  AggSize3Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT1_STRUC, *PTX_AGG_CNT1_STRUC;
-#else
 typedef	union	_TX_AGG_CNT1_STRUC	{
 	struct	{
 	    USHORT  AggSize3Count;
@@ -1400,17 +824,8 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT1_STRUC, *PTX_AGG_CNT1_STRUC;
-#endif
+
 #define TX_AGG_CNT2	0x1728
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT2_STRUC	{
-	struct	{
-	    USHORT  AggSize6Count;
-	    USHORT  AggSize5Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT2_STRUC, *PTX_AGG_CNT2_STRUC;
-#else
 typedef	union	_TX_AGG_CNT2_STRUC	{
 	struct	{
 	    USHORT  AggSize5Count;
@@ -1418,18 +833,9 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT2_STRUC, *PTX_AGG_CNT2_STRUC;
-#endif
+
 // Debug counter
 #define TX_AGG_CNT3	0x172c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT3_STRUC	{
-	struct	{
-	    USHORT  AggSize8Count;
-	    USHORT  AggSize7Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT3_STRUC, *PTX_AGG_CNT3_STRUC;
-#else
 typedef	union	_TX_AGG_CNT3_STRUC	{
 	struct	{
 	    USHORT  AggSize7Count;
@@ -1437,18 +843,9 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT3_STRUC, *PTX_AGG_CNT3_STRUC;
-#endif
+
 // Debug counter
 #define TX_AGG_CNT4	0x1730
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT4_STRUC	{
-	struct	{
-	    USHORT  AggSize10Count;
-	    USHORT  AggSize9Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT4_STRUC, *PTX_AGG_CNT4_STRUC;
-#else
 typedef	union	_TX_AGG_CNT4_STRUC	{
 	struct	{
 	    USHORT  AggSize9Count;
@@ -1456,17 +853,8 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT4_STRUC, *PTX_AGG_CNT4_STRUC;
-#endif
+
 #define TX_AGG_CNT5	0x1734
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT5_STRUC	{
-	struct	{
-	    USHORT  AggSize12Count;
-	    USHORT  AggSize11Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT5_STRUC, *PTX_AGG_CNT5_STRUC;
-#else
 typedef	union	_TX_AGG_CNT5_STRUC	{
 	struct	{
 	    USHORT  AggSize11Count;
@@ -1474,17 +862,8 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT5_STRUC, *PTX_AGG_CNT5_STRUC;
-#endif
+
 #define TX_AGG_CNT6		0x1738
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT6_STRUC	{
-	struct	{
-	    USHORT  AggSize14Count;
-	    USHORT  AggSize13Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT6_STRUC, *PTX_AGG_CNT6_STRUC;
-#else
 typedef	union	_TX_AGG_CNT6_STRUC	{
 	struct	{
 	    USHORT  AggSize13Count;
@@ -1492,17 +871,8 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT6_STRUC, *PTX_AGG_CNT6_STRUC;
-#endif
+
 #define TX_AGG_CNT7		0x173c
-#ifdef RT_BIG_ENDIAN
-typedef	union	_TX_AGG_CNT7_STRUC	{
-	struct	{
-	    USHORT  AggSize16Count;
-	    USHORT  AggSize15Count;
-	}	field;
-	UINT32			word;
-}	TX_AGG_CNT7_STRUC, *PTX_AGG_CNT7_STRUC;
-#else
 typedef	union	_TX_AGG_CNT7_STRUC	{
 	struct	{
 	    USHORT  AggSize15Count;
@@ -1510,17 +880,8 @@
 	}	field;
 	UINT32			word;
 }	TX_AGG_CNT7_STRUC, *PTX_AGG_CNT7_STRUC;
-#endif
+
 #define MPDU_DENSITY_CNT		0x1740
-#ifdef RT_BIG_ENDIAN
-typedef	union	_MPDU_DEN_CNT_STRUC	{
-	struct	{
-	    USHORT  RXZeroDelCount;	//RX zero length delimiter count
-	    USHORT  TXZeroDelCount;	//TX zero length delimiter count
-	}	field;
-	UINT32			word;
-}	MPDU_DEN_CNT_STRUC, *PMPDU_DEN_CNT_STRUC;
-#else
 typedef	union	_MPDU_DEN_CNT_STRUC	{
 	struct	{
 	    USHORT  TXZeroDelCount;	//TX zero length delimiter count
@@ -1528,7 +889,7 @@
 	}	field;
 	UINT32			word;
 }	MPDU_DEN_CNT_STRUC, *PMPDU_DEN_CNT_STRUC;
-#endif
+
 //
 // TXRX control registers - base address 0x3000
 //
@@ -1554,52 +915,28 @@
 #define SHAREDKEYTABLE			0
 #define PAIRWISEKEYTABLE			1
 
+typedef	union	_SHAREDKEY_MODE_STRUC	{
+	struct	{
+		UINT32       Bss0Key0CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss0Key1CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss0Key2CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss0Key3CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss1Key0CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss1Key1CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss1Key2CipherAlg:3;
+		UINT32       :1;
+		UINT32       Bss1Key3CipherAlg:3;
+		UINT32       :1;
+	}	field;
+	UINT32			word;
+}	SHAREDKEY_MODE_STRUC, *PSHAREDKEY_MODE_STRUC;
 
-#ifdef RT_BIG_ENDIAN
-typedef	union	_SHAREDKEY_MODE_STRUC	{
-	struct	{
-		UINT32       :1;
-		UINT32       Bss1Key3CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key2CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key1CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key0CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key3CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key2CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key1CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key0CipherAlg:3;
-	}	field;
-	UINT32			word;
-}	SHAREDKEY_MODE_STRUC, *PSHAREDKEY_MODE_STRUC;
-#else
-typedef	union	_SHAREDKEY_MODE_STRUC	{
-	struct	{
-		UINT32       Bss0Key0CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key1CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key2CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss0Key3CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key0CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key1CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key2CipherAlg:3;
-		UINT32       :1;
-		UINT32       Bss1Key3CipherAlg:3;
-		UINT32       :1;
-	}	field;
-	UINT32			word;
-}	SHAREDKEY_MODE_STRUC, *PSHAREDKEY_MODE_STRUC;
-#endif
 // 64-entry for pairwise key table
 typedef struct _HW_WCID_ENTRY {  // 8-byte per entry
     UCHAR   Address[6];
@@ -1917,15 +1254,6 @@
 //8.1.2	IV/EIV  format  : 2DW
 
 //8.1.3	RX attribute entry format  : 1DW
-#ifdef RT_BIG_ENDIAN
-typedef	struct	_MAC_ATTRIBUTE_STRUC {
-	UINT32		rsv:22;
-	UINT32		RXWIUDF:3;
-	UINT32		BSSIDIdx:3; //multipleBSS index for the WCID
-	UINT32		PairKeyMode:3;
-	UINT32		KeyTab:1;	// 0 for shared key table.  1 for pairwise key table
-}	MAC_ATTRIBUTE_STRUC, *PMAC_ATTRIBUTE_STRUC;
-#else
 typedef	struct	_MAC_ATTRIBUTE_STRUC {
 	UINT32		KeyTab:1;	// 0 for shared key table.  1 for pairwise key table
 	UINT32		PairKeyMode:3;
@@ -1933,8 +1261,6 @@
 	UINT32		RXWIUDF:3;
 	UINT32		rsv:22;
 }	MAC_ATTRIBUTE_STRUC, *PMAC_ATTRIBUTE_STRUC;
-#endif
-
 
 // =================================================================================
 // TX / RX ring descriptor format
@@ -1949,29 +1275,6 @@
 //
 // TX descriptor format, Tx	ring, Mgmt Ring
 //
-#ifdef RT_BIG_ENDIAN
-typedef	struct	PACKED _TXD_STRUC {
-	// Word 0
-	UINT32		SDPtr0;
-	// Word 1
-	UINT32		DMADONE:1;
-	UINT32		LastSec0:1;
-	UINT32		SDLen0:14;
-	UINT32		Burst:1;
-	UINT32		LastSec1:1;
-	UINT32		SDLen1:14;
-	// Word 2
-	UINT32		SDPtr1;
-	// Word 3
-	UINT32		ICO:1;
-	UINT32		UCO:1;
-	UINT32		TCO:1;
-	UINT32		rsv:2;
-	UINT32		QSEL:2;	// select on-chip FIFO ID for 2nd-stage output scheduler.0:MGMT, 1:HCCA 2:EDCA
-	UINT32		WIV:1;	// Wireless Info Valid. 1 if Driver already fill WI,  o if DMA needs to copy WI to correctposition
-	UINT32		rsv2:24;
-}	TXD_STRUC, *PTXD_STRUC;
-#else
 typedef	struct	PACKED _TXD_STRUC {
 	// Word	0
 	UINT32		SDPtr0;
@@ -1993,8 +1296,6 @@
 	UINT32		UCO:1;	//
 	UINT32		ICO:1;	//
 }	TXD_STRUC, *PTXD_STRUC;
-#endif
-
 
 //
 // TXD Wireless Information format for Tx ring and Mgmt Ring
@@ -2002,41 +1303,6 @@
 //txop : for txop mode
 // 0:txop for the MPDU frame will be handles by ASIC by register
 // 1/2/3:the MPDU frame is send after PIFS/backoff/SIFS
-#ifdef RT_BIG_ENDIAN
-typedef	struct	PACKED _TXWI_STRUC {
-	// Word 0
-	UINT32		PHYMODE:2;
-	UINT32		TxBF:1;	// 3*3
-	UINT32		rsv2:1;
-//	UINT32		rsv2:2;
-	UINT32		Ifs:1;	//
-	UINT32		STBC:2;	//channel bandwidth 20MHz or 40 MHz
-	UINT32		ShortGI:1;
-	UINT32		BW:1;	//channel bandwidth 20MHz or 40 MHz
-	UINT32		MCS:7;
-
-	UINT32		rsv:6;
-	UINT32		txop:2;	//tx back off mode 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs only when previous frame exchange is successful.
-	UINT32		MpduDensity:3;
-	UINT32		AMPDU:1;
-
-	UINT32		TS:1;
-	UINT32		CFACK:1;
-	UINT32		MIMOps:1;	// the remote peer is in dynamic MIMO-PS mode
-	UINT32		FRAG:1;		// 1 to inform TKIP engine this is a fragment.
-	// Word 1
-	UINT32		PacketId:4;
-	UINT32		MPDUtotalByteCount:12;
-	UINT32		WirelessCliID:8;
-	UINT32		BAWinSize:6;
-	UINT32		NSEQ:1;
-	UINT32		ACK:1;
-	// Word 2
-	UINT32		IV;
-	// Word 3
-	UINT32		EIV;
-}	TXWI_STRUC, *PTXWI_STRUC;
-#else
 typedef	struct	PACKED _TXWI_STRUC {
 	// Word	0
 	UINT32		FRAG:1;		// 1 to inform TKIP engine this is a fragment.
@@ -2070,42 +1336,13 @@
 	//Word3
 	UINT32		EIV;
 }	TXWI_STRUC, *PTXWI_STRUC;
-#endif
+
 //
 // Rx descriptor format, Rx	Ring
 //
 //
 // RXWI wireless information format, in PBF. invisible in driver.
 //
-#ifdef RT_BIG_ENDIAN
-typedef	struct	PACKED _RXWI_STRUC {
-	// Word 0
-	UINT32		TID:4;
-	UINT32		MPDUtotalByteCount:12;
-	UINT32		UDF:3;
-	UINT32		BSSID:3;
-	UINT32		KeyIndex:2;
-	UINT32		WirelessCliID:8;
-	// Word 1
-	UINT32		PHYMODE:2;              // 1: this RX frame is unicast to me
-	UINT32		rsv:3;
-	UINT32		STBC:2;
-	UINT32		ShortGI:1;
-	UINT32		BW:1;
-	UINT32		MCS:7;
-	UINT32		SEQUENCE:12;
-	UINT32		FRAG:4;
-	// Word 2
-	UINT32		rsv1:8;
-	UINT32		RSSI2:8;
-	UINT32		RSSI1:8;
-	UINT32		RSSI0:8;
-	// Word 3
-	UINT32		rsv2:16;
-	UINT32		SNR1:8;
-	UINT32		SNR0:8;
-}	RXWI_STRUC, *PRXWI_STRUC;
-#else
 typedef	struct	PACKED _RXWI_STRUC {
 	// Word	0
 	UINT32		WirelessCliID:8;
@@ -2133,8 +1370,6 @@
 	UINT32		SNR1:8;
 	UINT32		rsv2:16;
 }	RXWI_STRUC, *PRXWI_STRUC;
-#endif
-
 
 // =================================================================================
 // HOST-MCU communication data structure
@@ -2143,17 +1378,6 @@
 //
 // H2M_MAILBOX_CSR: Host-to-MCU Mailbox
 //
-#ifdef RT_BIG_ENDIAN
-typedef union  _H2M_MAILBOX_STRUC {
-    struct {
-        UINT32       Owner:8;
-        UINT32       CmdToken:8;    // 0xff tells MCU not to report CmdDoneInt after excuting the command
-        UINT32       HighByte:8;
-        UINT32       LowByte:8;
-    }   field;
-    UINT32           word;
-} H2M_MAILBOX_STRUC, *PH2M_MAILBOX_STRUC;
-#else
 typedef union  _H2M_MAILBOX_STRUC {
     struct {
         UINT32       LowByte:8;
@@ -2163,22 +1387,10 @@
     }   field;
     UINT32           word;
 } H2M_MAILBOX_STRUC, *PH2M_MAILBOX_STRUC;
-#endif
 
 //
 // M2H_CMD_DONE_CSR: MCU-to-Host command complete indication
 //
-#ifdef RT_BIG_ENDIAN
-typedef union _M2H_CMD_DONE_STRUC {
-    struct  {
-        UINT32       CmdToken3;
-        UINT32       CmdToken2;
-        UINT32       CmdToken1;
-        UINT32       CmdToken0;
-    } field;
-    UINT32           word;
-} M2H_CMD_DONE_STRUC, *PM2H_CMD_DONE_STRUC;
-#else
 typedef union _M2H_CMD_DONE_STRUC {
     struct  {
         UINT32       CmdToken0;
@@ -2188,22 +1400,10 @@
     } field;
     UINT32           word;
 } M2H_CMD_DONE_STRUC, *PM2H_CMD_DONE_STRUC;
-#endif
-
-
 
 //
 // MCU_LEDCS: MCU LED Control Setting.
 //
-#ifdef RT_BIG_ENDIAN
-typedef union  _MCU_LEDCS_STRUC {
-	struct	{
-		UCHAR		Polarity:1;
-		UCHAR		LedMode:7;
-	} field;
-	UCHAR				word;
-} MCU_LEDCS_STRUC, *PMCU_LEDCS_STRUC;
-#else
 typedef union  _MCU_LEDCS_STRUC {
 	struct	{
 		UCHAR		LedMode:7;
@@ -2211,7 +1411,7 @@
 	} field;
 	UCHAR			word;
 } MCU_LEDCS_STRUC, *PMCU_LEDCS_STRUC;
-#endif
+
 // =================================================================================
 // Register format
 // =================================================================================
@@ -2219,18 +1419,6 @@
 
 
 //NAV_TIME_CFG :NAV
-#ifdef RT_BIG_ENDIAN
-typedef	union	_NAV_TIME_CFG_STRUC	{
-	struct	{
-		USHORT		rsv:6;
-		USHORT		ZeroSifs:1;               // Applied zero SIFS timer after OFDM RX 0: disable
-		USHORT		Eifs:9;               // in unit of 1-us
-		UCHAR       SlotTime;    // in unit of 1-us
-		UCHAR		Sifs;               // in unit of 1-us
-	}	field;
-	UINT32			word;
-}	NAV_TIME_CFG_STRUC, *PNAV_TIME_CFG_STRUC;
-#else
 typedef	union	_NAV_TIME_CFG_STRUC	{
 	struct	{
 		UCHAR		Sifs;               // in unit of 1-us
@@ -2241,44 +1429,10 @@
 	}	field;
 	UINT32			word;
 }	NAV_TIME_CFG_STRUC, *PNAV_TIME_CFG_STRUC;
-#endif
-
-
-
-
 
 //
 // RX_FILTR_CFG:  /RX configuration register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	RX_FILTR_CFG_STRUC	{
-	struct	{
-		UINT32		:15;
-		UINT32       DropRsvCntlType:1;
-
-        	UINT32       	DropBAR:1;       //
-		UINT32		DropBA:1;		//
-		UINT32		DropPsPoll:1;		// Drop Ps-Poll
-		UINT32		DropRts:1;		// Drop Ps-Poll
-
-		UINT32		DropCts:1;		// Drop Ps-Poll
-		UINT32		DropAck:1;		// Drop Ps-Poll
-		UINT32		DropCFEnd:1;		// Drop Ps-Poll
-		UINT32		DropCFEndAck:1;		// Drop Ps-Poll
-
-		UINT32		DropDuplicate:1;		// Drop duplicate frame
-		UINT32		DropBcast:1;		// Drop broadcast frames
-		UINT32		DropMcast:1;		// Drop multicast frames
-		UINT32		DropVerErr:1;	    // Drop version error frame
-
-		UINT32		DropNotMyBSSID:1;			// Drop fram ToDs bit is true
-		UINT32		DropNotToMe:1;		// Drop not to me unicast frame
-		UINT32		DropPhyErr:1;		// Drop physical error
-		UINT32		DropCRCErr:1;		// Drop CRC error
-	}	field;
-	UINT32			word;
-}	RX_FILTR_CFG_STRUC, *PRX_FILTR_CFG_STRUC;
-#else
 typedef	union	_RX_FILTR_CFG_STRUC	{
 	struct	{
 		UINT32		DropCRCErr:1;		// Drop CRC error
@@ -2306,26 +1460,10 @@
 	}	field;
 	UINT32			word;
 }	RX_FILTR_CFG_STRUC, *PRX_FILTR_CFG_STRUC;
-#endif
-
-
-
 
 //
 // PHY_CSR4: RF serial control register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_PHY_CSR4_STRUC	{
-	struct	{
-		UINT32		Busy:1;				// 1: ASIC is busy execute RF programming.
-		UINT32		PLL_LD:1;			// RF PLL_LD status
-		UINT32		IFSelect:1;			// 1: select IF	to program,	0: select RF to	program
-		UINT32		NumberOfBits:5;		// Number of bits used in RFRegValue (I:20,	RFMD:22)
-		UINT32		RFRegValue:24;		// Register	value (include register	id)	serial out to RF/IF	chip.
-	}	field;
-	UINT32			word;
-}	PHY_CSR4_STRUC, *PPHY_CSR4_STRUC;
-#else
 typedef	union	_PHY_CSR4_STRUC	{
 	struct	{
 		UINT32		RFRegValue:24;		// Register	value (include register	id)	serial out to RF/IF	chip.
@@ -2336,35 +1474,10 @@
 	}	field;
 	UINT32			word;
 }	PHY_CSR4_STRUC, *PPHY_CSR4_STRUC;
-#endif
-
 
 //
 // SEC_CSR5: shared key table security mode register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_SEC_CSR5_STRUC	{
-	struct	{
-        UINT32       :1;
-        UINT32       Bss3Key3CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss3Key2CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss3Key1CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss3Key0CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss2Key3CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss2Key2CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss2Key1CipherAlg:3;
-        UINT32       :1;
-        UINT32       Bss2Key0CipherAlg:3;
-	}	field;
-	UINT32			word;
-}	SEC_CSR5_STRUC, *PSEC_CSR5_STRUC;
-#else
 typedef	union	_SEC_CSR5_STRUC	{
 	struct	{
         UINT32       Bss2Key0CipherAlg:3;
@@ -2386,21 +1499,10 @@
 	}	field;
 	UINT32			word;
 }	SEC_CSR5_STRUC, *PSEC_CSR5_STRUC;
-#endif
-
 
 //
 // HOST_CMD_CSR: For HOST to interrupt embedded processor
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_HOST_CMD_CSR_STRUC	{
-	struct	{
-	    UINT32   Rsv:24;
-	    UINT32   HostCommand:8;
-	}	field;
-	UINT32			word;
-}	HOST_CMD_CSR_STRUC, *PHOST_CMD_CSR_STRUC;
-#else
 typedef	union	_HOST_CMD_CSR_STRUC	{
 	struct	{
 	    UINT32   HostCommand:8;
@@ -2408,8 +1510,6 @@
 	}	field;
 	UINT32			word;
 }	HOST_CMD_CSR_STRUC, *PHOST_CMD_CSR_STRUC;
-#endif
-
 
 //
 // AIFSN_CSR: AIFSN for each EDCA AC
@@ -2420,21 +1520,6 @@
 //
 // E2PROM_CSR: EEPROM control register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_E2PROM_CSR_STRUC	{
-	struct	{
-		UINT32		Rsvd:25;
-		UINT32       LoadStatus:1;   // 1:loading, 0:done
-		UINT32		Type:1;			// 1: 93C46, 0:93C66
-		UINT32		EepromDO:1;
-		UINT32		EepromDI:1;
-		UINT32		EepromCS:1;
-		UINT32		EepromSK:1;
-		UINT32		Reload:1;		// Reload EEPROM content, write one to reload, self-cleared.
-	}	field;
-	UINT32			word;
-}	E2PROM_CSR_STRUC, *PE2PROM_CSR_STRUC;
-#else
 typedef	union	_E2PROM_CSR_STRUC	{
 	struct	{
 		UINT32		Reload:1;		// Reload EEPROM content, write one to reload, self-cleared.
@@ -2448,8 +1533,6 @@
 	}	field;
 	UINT32			word;
 }	E2PROM_CSR_STRUC, *PE2PROM_CSR_STRUC;
-#endif
-
 
 // -------------------------------------------------------------------
 //  E2PROM data layout
@@ -2458,17 +1541,6 @@
 //
 // EEPROM antenna select format
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_EEPROM_ANTENNA_STRUC	{
-	struct	{
-		USHORT      Rsv:4;
-		USHORT      RfIcType:4;             // see E2PROM document
-		USHORT		TxPath:4;	// 1: 1T, 2: 2T
-		USHORT		RxPath:4;	// 1: 1R, 2: 2R, 3: 3R
-	}	field;
-	USHORT			word;
-}	EEPROM_ANTENNA_STRUC, *PEEPROM_ANTENNA_STRUC;
-#else
 typedef	union	_EEPROM_ANTENNA_STRUC	{
 	struct	{
 		USHORT		RxPath:4;	// 1: 1R, 2: 2R, 3: 3R
@@ -2478,26 +1550,7 @@
 	}	field;
 	USHORT			word;
 }	EEPROM_ANTENNA_STRUC, *PEEPROM_ANTENNA_STRUC;
-#endif
 
-#ifdef RT_BIG_ENDIAN
-typedef	union _EEPROM_NIC_CINFIG2_STRUC	{
-	struct	{
-        USHORT		Rsv2:6;					// must be 0
-		USHORT		BW40MAvailForA:1;			// 0:enable, 1:disable
-		USHORT		BW40MAvailForG:1;			// 0:enable, 1:disable
-		USHORT		EnableWPSPBC:1;                 // WPS PBC Control bit
-		USHORT		BW40MSidebandForA:1;
-		USHORT		BW40MSidebandForG:1;
-		USHORT		CardbusAcceleration:1;	// !!! NOTE: 0 - enable, 1 - disable
-		USHORT		ExternalLNAForA:1;			// external LNA enable for 5G
-		USHORT		ExternalLNAForG:1;			// external LNA enable for 2.4G
-		USHORT		DynamicTxAgcControl:1;			//
-		USHORT		HardwareRadioControl:1;	// Whether RF is controlled by driver or HW. 1:enable hw control, 0:disable
-	}	field;
-	USHORT			word;
-}	EEPROM_NIC_CONFIG2_STRUC, *PEEPROM_NIC_CONFIG2_STRUC;
-#else
 typedef	union _EEPROM_NIC_CINFIG2_STRUC	{
 	struct {
 		USHORT		HardwareRadioControl:1;	// 1:enable, 0:disable
@@ -2514,20 +1567,10 @@
 	}	field;
 	USHORT			word;
 }	EEPROM_NIC_CONFIG2_STRUC, *PEEPROM_NIC_CONFIG2_STRUC;
-#endif
 
 //
 // TX_PWR Value valid range 0xFA(-6) ~ 0x24(36)
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_EEPROM_TX_PWR_STRUC	{
-	struct	{
-		CHAR	Byte1;				// High Byte
-		CHAR	Byte0;				// Low Byte
-	}	field;
-	USHORT	word;
-}	EEPROM_TX_PWR_STRUC, *PEEPROM_TX_PWR_STRUC;
-#else
 typedef	union	_EEPROM_TX_PWR_STRUC	{
 	struct	{
 		CHAR	Byte0;				// Low Byte
@@ -2535,17 +1578,7 @@
 	}	field;
 	USHORT	word;
 }	EEPROM_TX_PWR_STRUC, *PEEPROM_TX_PWR_STRUC;
-#endif
 
-#ifdef RT_BIG_ENDIAN
-typedef	union	_EEPROM_VERSION_STRUC	{
-	struct	{
-		UCHAR	Version;			// High Byte
-		UCHAR	FaeReleaseNumber;	// Low Byte
-	}	field;
-	USHORT	word;
-}	EEPROM_VERSION_STRUC, *PEEPROM_VERSION_STRUC;
-#else
 typedef	union	_EEPROM_VERSION_STRUC	{
 	struct	{
 		UCHAR	FaeReleaseNumber;	// Low Byte
@@ -2553,25 +1586,7 @@
 	}	field;
 	USHORT	word;
 }	EEPROM_VERSION_STRUC, *PEEPROM_VERSION_STRUC;
-#endif
 
-#ifdef RT_BIG_ENDIAN
-typedef	union	_EEPROM_LED_STRUC	{
-	struct	{
-		USHORT	Rsvd:3;				// Reserved
-		USHORT	LedMode:5;			// Led mode.
-		USHORT	PolarityGPIO_4:1;	// Polarity GPIO#4 setting.
-		USHORT	PolarityGPIO_3:1;	// Polarity GPIO#3 setting.
-		USHORT	PolarityGPIO_2:1;	// Polarity GPIO#2 setting.
-		USHORT	PolarityGPIO_1:1;	// Polarity GPIO#1 setting.
-		USHORT	PolarityGPIO_0:1;	// Polarity GPIO#0 setting.
-		USHORT	PolarityACT:1;		// Polarity ACT setting.
-		USHORT	PolarityRDY_A:1;		// Polarity RDY_A setting.
-		USHORT	PolarityRDY_G:1;		// Polarity RDY_G setting.
-	}	field;
-	USHORT	word;
-}	EEPROM_LED_STRUC, *PEEPROM_LED_STRUC;
-#else
 typedef	union	_EEPROM_LED_STRUC	{
 	struct	{
 		USHORT	PolarityRDY_G:1;		// Polarity RDY_G setting.
@@ -2587,18 +1602,7 @@
 	}	field;
 	USHORT	word;
 }	EEPROM_LED_STRUC, *PEEPROM_LED_STRUC;
-#endif
 
-#ifdef RT_BIG_ENDIAN
-typedef	union	_EEPROM_TXPOWER_DELTA_STRUC	{
-	struct	{
-		UCHAR	TxPowerEnable:1;// Enable
-		UCHAR	Type:1;			// 1: plus the delta value, 0: minus the delta value
-		UCHAR	DeltaValue:6;	// Tx Power dalta value (MAX=4)
-	}	field;
-	UCHAR	value;
-}	EEPROM_TXPOWER_DELTA_STRUC, *PEEPROM_TXPOWER_DELTA_STRUC;
-#else
 typedef	union	_EEPROM_TXPOWER_DELTA_STRUC	{
 	struct	{
 		UCHAR	DeltaValue:6;	// Tx Power dalta value (MAX=4)
@@ -2607,22 +1611,10 @@
 	}	field;
 	UCHAR	value;
 }	EEPROM_TXPOWER_DELTA_STRUC, *PEEPROM_TXPOWER_DELTA_STRUC;
-#endif
 
 //
 // QOS_CSR0: TXOP holder address0 register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_QOS_CSR0_STRUC	{
-	struct	{
-		UCHAR		Byte3;		// MAC address byte 3
-		UCHAR		Byte2;		// MAC address byte 2
-		UCHAR		Byte1;		// MAC address byte 1
-		UCHAR		Byte0;		// MAC address byte 0
-	}	field;
-	UINT32			word;
-}	QOS_CSR0_STRUC, *PQOS_CSR0_STRUC;
-#else
 typedef	union	_QOS_CSR0_STRUC	{
 	struct	{
 		UCHAR		Byte0;		// MAC address byte 0
@@ -2632,22 +1624,10 @@
 	}	field;
 	UINT32			word;
 }	QOS_CSR0_STRUC, *PQOS_CSR0_STRUC;
-#endif
 
 //
 // QOS_CSR1: TXOP holder address1 register
 //
-#ifdef RT_BIG_ENDIAN
-typedef	union	_QOS_CSR1_STRUC	{
-	struct	{
-		UCHAR		Rsvd1;
-		UCHAR		Rsvd0;
-		UCHAR		Byte5;		// MAC address byte 5
-		UCHAR		Byte4;		// MAC address byte 4
-	}	field;
-	UINT32			word;
-}	QOS_CSR1_STRUC, *PQOS_CSR1_STRUC;
-#else
 typedef	union	_QOS_CSR1_STRUC	{
 	struct	{
 		UCHAR		Byte4;		// MAC address byte 4
@@ -2657,22 +1637,8 @@
 	}	field;
 	UINT32			word;
 }	QOS_CSR1_STRUC, *PQOS_CSR1_STRUC;
-#endif
 
 #define	RF_CSR_CFG	0x500
-#ifdef RT_BIG_ENDIAN
-typedef	union	_RF_CSR_CFG_STRUC	{
-	struct	{
-		UINT	Rsvd1:14;				// Reserved
-		UINT	RF_CSR_KICK:1;			// kick RF register read/write
-		UINT	RF_CSR_WR:1;			// 0: read  1: write
-		UINT	Rsvd2:3;				// Reserved
-		UINT	TESTCSR_RFACC_REGNUM:5;	// RF register ID
-		UINT	RF_CSR_DATA:8;			// DATA
-	}	field;
-	UINT	word;
-}	RF_CSR_CFG_STRUC, *PRF_CSR_CFG_STRUC;
-#else
 typedef	union	_RF_CSR_CFG_STRUC	{
 	struct	{
 		UINT	RF_CSR_DATA:8;			// DATA
@@ -2684,6 +1650,5 @@
 	}	field;
 	UINT	word;
 }	RF_CSR_CFG_STRUC, *PRF_CSR_CFG_STRUC;
-#endif
 
 #endif	// __RT28XX_H__
diff --git a/drivers/staging/rt2870/rtmp.h b/drivers/staging/rt2870/rtmp.h
index f27c610..097db1e 100644
--- a/drivers/staging/rt2870/rtmp.h
+++ b/drivers/staging/rt2870/rtmp.h
@@ -815,17 +815,10 @@
 
 
 typedef	union	_HEADER_802_11_SEQ{
-#ifdef RT_BIG_ENDIAN
-    struct {
-   	USHORT			Sequence:12;
-	USHORT			Frag:4;
-    }   field;
-#else
     struct {
 	USHORT			Frag:4;
 	USHORT			Sequence:12;
     }   field;
-#endif
     USHORT           value;
 }	HEADER_802_11_SEQ, *PHEADER_802_11_SEQ;
 
@@ -1041,15 +1034,6 @@
 
 // MIMO Tx parameter, ShortGI, MCS, STBC, etc.  these are fields in TXWI too. just copy to TXWI.
 typedef struct  _RECEIVE_SETTING {
-#ifdef RT_BIG_ENDIAN
-	USHORT		MIMO:1;
-	USHORT		OFDM:1;
-	USHORT		rsv:3;
-	USHORT		STBC:2;	//SPACE
-	USHORT		ShortGI:1;
-	USHORT		Mode:2;	//channel bandwidth 20MHz or 40 MHz
-	USHORT   	NumOfRX:2;                 // MIMO. WE HAVE 3R
-#else
 	USHORT   	NumOfRX:2;                 // MIMO. WE HAVE 3R
 	USHORT		Mode:2;	//channel bandwidth 20MHz or 40 MHz
 	USHORT		ShortGI:1;
@@ -1057,7 +1041,6 @@
 	USHORT		rsv:3;
 	USHORT		OFDM:1;
 	USHORT		MIMO:1;
-#endif
  } RECEIVE_SETTING, *PRECEIVE_SETTING;
 
 // Shared key data structure
@@ -1392,21 +1375,6 @@
 } QUERYBA_TABLE, *PQUERYBA_TABLE;
 
 typedef	union	_BACAP_STRUC	{
-#ifdef RT_BIG_ENDIAN
-	struct	{
-		UINT32     :4;
-		UINT32     b2040CoexistScanSup:1;		//As Sta, support do 2040 coexistence scan for AP. As Ap, support monitor trigger event to check if can use BW 40MHz.
-		UINT32     bHtAdhoc:1;			// adhoc can use ht rate.
-		UINT32     MMPSmode:2;	// MIMO power save more, 0:static, 1:dynamic, 2:rsv, 3:mimo enable
-		UINT32     AmsduSize:1;	// 0:3839, 1:7935 bytes. UINT  MSDUSizeToBytes[]	= { 3839, 7935};
-		UINT32     AmsduEnable:1;	//Enable AMSDU transmisstion
-		UINT32		MpduDensity:3;
-		UINT32		Policy:2;	// 0: DELAY_BA 1:IMMED_BA  (//BA Policy subfiled value in ADDBA frame)   2:BA-not use
-		UINT32		AutoBA:1;	// automatically BA
-		UINT32		TxBAWinLimit:8;
-		UINT32		RxBAWinLimit:8;
-	}	field;
-#else
 	struct	{
 		UINT32		RxBAWinLimit:8;
 		UINT32		TxBAWinLimit:8;
@@ -1420,7 +1388,6 @@
 		UINT32       	b2040CoexistScanSup:1;		//As Sta, support do 2040 coexistence scan for AP. As Ap, support monitor trigger event to check if can use BW 40MHz.
 		UINT32       	:4;
 	}	field;
-#endif
 	UINT32			word;
 } BACAP_STRUC, *PBACAP_STRUC;
 #endif // DOT11_N_SUPPORT //
@@ -1449,21 +1416,6 @@
 
 // This is the registry setting for 802.11n transmit setting.  Used in advanced page.
 typedef union _REG_TRANSMIT_SETTING {
-#ifdef RT_BIG_ENDIAN
- struct {
-         UINT32  rsv:13;
-		 UINT32  EXTCHA:2;
-		 UINT32  HTMODE:1;
-		 UINT32  TRANSNO:2;
-		 UINT32  STBC:1; //SPACE
-		 UINT32  ShortGI:1;
-		 UINT32  BW:1; //channel bandwidth 20MHz or 40 MHz
-		 UINT32  TxBF:1; // 3*3
-		 UINT32  rsv0:10;
-		 //UINT32  MCS:7;                 // MCS
-         //UINT32  PhyMode:4;
-    } field;
-#else
  struct {
          //UINT32  PhyMode:4;
          //UINT32  MCS:7;                 // MCS
@@ -1477,26 +1429,16 @@
          UINT32  EXTCHA:2;
          UINT32  rsv:13;
     } field;
-#endif
  UINT32   word;
 } REG_TRANSMIT_SETTING, *PREG_TRANSMIT_SETTING;
 
 typedef union  _DESIRED_TRANSMIT_SETTING {
-#ifdef RT_BIG_ENDIAN
-	struct	{
-			USHORT		rsv:3;
-			USHORT		FixedTxMode:2;			// If MCS isn't AUTO, fix rate in CCK, OFDM or HT mode.
-			USHORT		PhyMode:4;
-			USHORT   	MCS:7;                 // MCS
-	}	field;
-#else
 	struct	{
 			USHORT   	MCS:7;                 	// MCS
 			USHORT		PhyMode:4;
 			USHORT	 	FixedTxMode:2;			// If MCS isn't AUTO, fix rate in CCK, OFDM or HT mode.
 			USHORT		rsv:3;
 	}	field;
-#endif
 	USHORT		word;
  } DESIRED_TRANSMIT_SETTING, *PDESIRED_TRANSMIT_SETTING;
 
@@ -3012,244 +2954,6 @@
 
 //------------------------------------------------------------------------------------------
 
-
-
-#ifdef RT_BIG_ENDIAN
-static inline VOID	WriteBackToDescriptor(
-	IN  PUCHAR			Dest,
- 	IN	PUCHAR			Src,
-    IN  BOOLEAN			DoEncrypt,
-	IN  ULONG           DescriptorType)
-{
-	UINT32 *p1, *p2;
-
-	p1 = ((UINT32 *)Dest);
-	p2 = ((UINT32 *)Src);
-
-	*p1 = *p2;
-	*(p1+2) = *(p2+2);
-	*(p1+3) = *(p2+3);
-	*(p1+1) = *(p2+1); // Word 1; this must be written back last
-}
-
-/*
-	========================================================================
-
-	Routine Description:
-		Endian conversion of Tx/Rx descriptor .
-
-	Arguments:
-		pAd 	Pointer to our adapter
-		pData			Pointer to Tx/Rx descriptor
-		DescriptorType	Direction of the frame
-
-	Return Value:
-		None
-
-	Note:
-		Call this function when read or update descriptor
-	========================================================================
-*/
-static inline VOID	RTMPWIEndianChange(
-	IN	PUCHAR			pData,
-	IN	ULONG			DescriptorType)
-{
-	int size;
-	int i;
-
-	size = ((DescriptorType == TYPE_TXWI) ? TXWI_SIZE : RXWI_SIZE);
-
-	if(DescriptorType == TYPE_TXWI)
-	{
-		*((UINT32 *)(pData)) = SWAP32(*((UINT32 *)(pData)));		// Byte 0~3
-		*((UINT32 *)(pData + 4)) = SWAP32(*((UINT32 *)(pData+4)));	// Byte 4~7
-	}
-	else
-	{
-		for(i=0; i < size/4 ; i++)
-			*(((UINT32 *)pData) +i) = SWAP32(*(((UINT32 *)pData)+i));
-	}
-}
-
-/*
-	========================================================================
-
-	Routine Description:
-		Endian conversion of Tx/Rx descriptor .
-
-	Arguments:
-		pAd 	Pointer to our adapter
-		pData			Pointer to Tx/Rx descriptor
-		DescriptorType	Direction of the frame
-
-	Return Value:
-		None
-
-	Note:
-		Call this function when read or update descriptor
-	========================================================================
-*/
-
-#ifdef RT2870
-static inline VOID	RTMPDescriptorEndianChange(
-	IN	PUCHAR			pData,
-	IN	ULONG			DescriptorType)
-{
-	*((UINT32 *)(pData)) = SWAP32(*((UINT32 *)(pData)));
-}
-#endif // RT2870 //
-/*
-	========================================================================
-
-	Routine Description:
-		Endian conversion of all kinds of 802.11 frames .
-
-	Arguments:
-		pAd 	Pointer to our adapter
-		pData			Pointer to the 802.11 frame structure
-		Dir 			Direction of the frame
-		FromRxDoneInt	Caller is from RxDone interrupt
-
-	Return Value:
-		None
-
-	Note:
-		Call this function when read or update buffer data
-	========================================================================
-*/
-static inline VOID	RTMPFrameEndianChange(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	PUCHAR			pData,
-	IN	ULONG			Dir,
-	IN	BOOLEAN 		FromRxDoneInt)
-{
-	PHEADER_802_11 pFrame;
-	PUCHAR	pMacHdr;
-
-	// swab 16 bit fields - Frame Control field
-	if(Dir == DIR_READ)
-	{
-		*(USHORT *)pData = SWAP16(*(USHORT *)pData);
-	}
-
-	pFrame = (PHEADER_802_11) pData;
-	pMacHdr = (PUCHAR) pFrame;
-
-	// swab 16 bit fields - Duration/ID field
-	*(USHORT *)(pMacHdr + 2) = SWAP16(*(USHORT *)(pMacHdr + 2));
-
-	// swab 16 bit fields - Sequence Control field
-	*(USHORT *)(pMacHdr + 22) = SWAP16(*(USHORT *)(pMacHdr + 22));
-
-	if(pFrame->FC.Type == BTYPE_MGMT)
-	{
-		switch(pFrame->FC.SubType)
-		{
-			case SUBTYPE_ASSOC_REQ:
-			case SUBTYPE_REASSOC_REQ:
-				// swab 16 bit fields - CapabilityInfo field
-				pMacHdr += sizeof(HEADER_802_11);
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-
-				// swab 16 bit fields - Listen Interval field
-				pMacHdr += 2;
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-				break;
-
-			case SUBTYPE_ASSOC_RSP:
-			case SUBTYPE_REASSOC_RSP:
-				// swab 16 bit fields - CapabilityInfo field
-				pMacHdr += sizeof(HEADER_802_11);
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-
-				// swab 16 bit fields - Status Code field
-				pMacHdr += 2;
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-
-				// swab 16 bit fields - AID field
-				pMacHdr += 2;
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-				break;
-
-			case SUBTYPE_AUTH:
-				// If from APHandleRxDoneInterrupt routine, it is still a encrypt format.
-				// The convertion is delayed to RTMPHandleDecryptionDoneInterrupt.
-				if(!FromRxDoneInt && pFrame->FC.Wep == 1)
-					break;
-				else
-				{
-					// swab 16 bit fields - Auth Alg No. field
-					pMacHdr += sizeof(HEADER_802_11);
-					*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-
-					// swab 16 bit fields - Auth Seq No. field
-					pMacHdr += 2;
-					*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-
-					// swab 16 bit fields - Status Code field
-					pMacHdr += 2;
-					*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-				}
-				break;
-
-			case SUBTYPE_BEACON:
-			case SUBTYPE_PROBE_RSP:
-				// swab 16 bit fields - BeaconInterval field
-				pMacHdr += (sizeof(HEADER_802_11) + TIMESTAMP_LEN);
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-
-				// swab 16 bit fields - CapabilityInfo field
-				pMacHdr += sizeof(USHORT);
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-				break;
-
-			case SUBTYPE_DEAUTH:
-			case SUBTYPE_DISASSOC:
-				// swab 16 bit fields - Reason code field
-				pMacHdr += sizeof(HEADER_802_11);
-				*(USHORT *)pMacHdr = SWAP16(*(USHORT *)pMacHdr);
-				break;
-		}
-	}
-	else if( pFrame->FC.Type == BTYPE_DATA )
-	{
-	}
-	else if(pFrame->FC.Type == BTYPE_CNTL)
-	{
-		switch(pFrame->FC.SubType)
-		{
-			case SUBTYPE_BLOCK_ACK_REQ:
-				{
-					PFRAME_BA_REQ pBAReq = (PFRAME_BA_REQ)pFrame;
-					*(USHORT *)(&pBAReq->BARControl) = SWAP16(*(USHORT *)(&pBAReq->BARControl));
-					pBAReq->BAStartingSeq.word = SWAP16(pBAReq->BAStartingSeq.word);
-				}
-				break;
-			case SUBTYPE_BLOCK_ACK:
-				// For Block Ack packet, the HT_CONTROL field is in the same offset with Addr3
-				*(UINT32 *)(&pFrame->Addr3[0]) = SWAP32(*(UINT32 *)(&pFrame->Addr3[0]));
-				break;
-
-			case SUBTYPE_ACK:
-				//For ACK packet, the HT_CONTROL field is in the same offset with Addr2
-				*(UINT32 *)(&pFrame->Addr2[0])=	SWAP32(*(UINT32 *)(&pFrame->Addr2[0]));
-				break;
-		}
-	}
-	else
-	{
-		DBGPRINT(RT_DEBUG_ERROR,("Invalid Frame Type!!!\n"));
-	}
-
-	// swab 16 bit fields - Frame Control
-	if(Dir == DIR_WRITE)
-	{
-		*(USHORT *)pData = SWAP16(*(USHORT *)pData);
-	}
-}
-#endif // RT_BIG_ENDIAN //
-
-
 static inline VOID ConvertMulticastIP2MAC(
 	IN PUCHAR pIpAddr,
 	IN PUCHAR *ppMacAddr,
diff --git a/drivers/staging/rt2870/rtmp_def.h b/drivers/staging/rt2870/rtmp_def.h
index 5662446..274fe0c 100644
--- a/drivers/staging/rt2870/rtmp_def.h
+++ b/drivers/staging/rt2870/rtmp_def.h
@@ -1256,17 +1256,6 @@
 #define OPMODE_AP                   1
 //#define OPMODE_L3_BRG               2       // as AP and STA at the same time
 
-#ifdef RT_BIG_ENDIAN
-#define DIR_READ                    0
-#define DIR_WRITE                   1
-#define TYPE_TXD                    0
-#define TYPE_RXD                    1
-#define TYPE_TXINFO					0
-#define TYPE_RXINFO					1
-#define TYPE_TXWI					0
-#define TYPE_RXWI					1
-#endif
-
 // ========================= AP rtmp_def.h ===========================
 // value domain for pAd->EventTab.Log[].Event
 #define EVENT_RESET_ACCESS_POINT    0 // Log = "hh:mm:ss   Restart Access Point"
@@ -1447,23 +1436,6 @@
     (UINT64)(((UINT64)(x) & (UINT64) 0x00ff000000000000ULL) >> 40) | \
     (UINT64)(((UINT64)(x) & (UINT64) 0xff00000000000000ULL) >> 56) ))
 
-#ifdef RT_BIG_ENDIAN
-
-#define cpu2le64(x) SWAP64((x))
-#define le2cpu64(x) SWAP64((x))
-#define cpu2le32(x) SWAP32((x))
-#define le2cpu32(x) SWAP32((x))
-#define cpu2le16(x) SWAP16((x))
-#define le2cpu16(x) SWAP16((x))
-#define cpu2be64(x) ((UINT64)(x))
-#define be2cpu64(x) ((UINT64)(x))
-#define cpu2be32(x) ((UINT32)(x))
-#define be2cpu32(x) ((UINT32)(x))
-#define cpu2be16(x) ((UINT16)(x))
-#define be2cpu16(x) ((UINT16)(x))
-
-#else   // Little_Endian
-
 #define cpu2le64(x) ((UINT64)(x))
 #define le2cpu64(x) ((UINT64)(x))
 #define cpu2le32(x) ((UINT32)(x))
@@ -1477,8 +1449,6 @@
 #define cpu2be16(x) SWAP16((x))
 #define be2cpu16(x) SWAP16((x))
 
-#endif  // RT_BIG_ENDIAN
-
 #endif  // __RTMP_DEF_H__
 
 
diff --git a/drivers/staging/rt2870/spectrum.h b/drivers/staging/rt2870/spectrum.h
index 94cfa5b..95e0b0e 100644
--- a/drivers/staging/rt2870/spectrum.h
+++ b/drivers/staging/rt2870/spectrum.h
@@ -46,16 +46,6 @@
 
 typedef union PACKED _MEASURE_REQ_MODE
 {
-#ifdef RT_BIG_ENDIAN
-	struct PACKED
-	{
-		UINT8 Rev1:4;
-		UINT8 Report:1;
-		UINT8 Request:1;
-		UINT8 Enable:1;
-		UINT8 Rev0:1;
-	} field;
-#else
 	struct PACKED
 	{
 		UINT8 Rev0:1;
@@ -64,7 +54,6 @@
 		UINT8 Report:1;
 		UINT8 Rev1:4;
 	} field;
-#endif // RT_BIG_ENDIAN //
 	UINT8 word;
 } MEASURE_REQ_MODE, *PMEASURE_REQ_MODE;
 
@@ -85,17 +74,6 @@
 
 typedef union PACKED _MEASURE_BASIC_REPORT_MAP
 {
-#ifdef RT_BIG_ENDIAN
-	struct PACKED
-	{
-		UINT8 Rev:3;
-		UINT8 Unmeasure:1;
-		UINT8 Radar:1;
-		UINT8 UnidentifiedSignal:1;
-		UINT8 OfdmPreamble:1;
-		UINT8 BSS:1;
-	} field;
-#else
 	struct PACKED
 	{
 		UINT8 BSS:1;
@@ -105,7 +83,6 @@
 		UINT8 Unmeasure:1;
 		UINT8 Rev:3;
 	} field;
-#endif // RT_BIG_ENDIAN //
 	UINT8 word;
 } MEASURE_BASIC_REPORT_MAP, *PMEASURE_BASIC_REPORT_MAP;
 
@@ -137,17 +114,10 @@
 {
 	struct PACKED
 	{
-#ifdef RT_BIG_ENDIAN
-		UINT8 Rev:5;
-		UINT8 Refused:1;
-		UINT8 Incapable:1;
-		UINT8 Late:1;
-#else
 		UINT8 Late:1;
 		UINT8 Incapable:1;
 		UINT8 Refused:1;
 		UINT8 Rev:5;
-#endif // RT_BIG_ENDIAN //
 	} field;
 	UINT8 word;
 } MEASURE_REPORT_MODE, *PMEASURE_REPORT_MODE;
diff --git a/drivers/staging/rt2870/sta/assoc.c b/drivers/staging/rt2870/sta/assoc.c
index d958b2f..67621a4 100644
--- a/drivers/staging/rt2870/sta/assoc.c
+++ b/drivers/staging/rt2870/sta/assoc.c
@@ -360,28 +360,11 @@
 			}
 			else
 			{
-#ifdef RT_BIG_ENDIAN
-		        HT_CAPABILITY_IE HtCapabilityTmp;
-#endif
-
-#ifndef RT_BIG_ENDIAN
 				MakeOutgoingFrame(pOutBuffer + FrameLen,            &TmpLen,
 							  1,                                &HtCapIe,
 							  1,                                &pAd->MlmeAux.HtCapabilityLen,
 							 pAd->MlmeAux.HtCapabilityLen,          &pAd->MlmeAux.HtCapability,
 							  END_OF_ARGS);
-#else
-                NdisZeroMemory(&HtCapabilityTmp, sizeof(HT_CAPABILITY_IE));
-                NdisMoveMemory(&HtCapabilityTmp, &pAd->MlmeAux.HtCapability, pAd->MlmeAux.HtCapabilityLen);
-        		*(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
-        		*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
-
-        		MakeOutgoingFrame(pOutBuffer + FrameLen,         &TmpLen,
-        							1,                           &HtCapIe,
-        							1,                           &pAd->MlmeAux.HtCapabilityLen,
-        							pAd->MlmeAux.HtCapabilityLen,&HtCapabilityTmp,
-        							END_OF_ARGS);
-#endif
 			}
 			FrameLen += TmpLen;
 		}
diff --git a/drivers/staging/rt2870/sta/connect.c b/drivers/staging/rt2870/sta/connect.c
index 210c0a0..c3a9441 100644
--- a/drivers/staging/rt2870/sta/connect.c
+++ b/drivers/staging/rt2870/sta/connect.c
@@ -2448,16 +2448,10 @@
 		ULONG TmpLen;
 		UCHAR HtLen, HtLen1;
 
-#ifdef RT_BIG_ENDIAN
-		HT_CAPABILITY_IE HtCapabilityTmp;
-		ADD_HT_INFO_IE	addHTInfoTmp;
-		USHORT	b2lTmp, b2lTmp2;
-#endif
-
 		// add HT Capability IE
 		HtLen = sizeof(pAd->CommonCfg.HtCapability);
 		HtLen1 = sizeof(pAd->CommonCfg.AddHTInfo);
-#ifndef RT_BIG_ENDIAN
+
 		MakeOutgoingFrame(pBeaconFrame+FrameLen,	&TmpLen,
 						  1,						&HtCapIe,
 						  1,						&HtLen,
@@ -2466,24 +2460,7 @@
 						  1,						&HtLen1,
 						  HtLen1,					&pAd->CommonCfg.AddHTInfo,
 						  END_OF_ARGS);
-#else
-		NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.HtCapability, HtLen);
-		*(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
-		*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
 
-		NdisMoveMemory(&addHTInfoTmp, &pAd->CommonCfg.AddHTInfo, HtLen1);
-		*(USHORT *)(&addHTInfoTmp.AddHtInfo2) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo2));
-		*(USHORT *)(&addHTInfoTmp.AddHtInfo3) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo3));
-
-		MakeOutgoingFrame(pBeaconFrame+FrameLen,	&TmpLen,
-						  1,						&HtCapIe,
-						  1,						&HtLen,
-						  HtLen,					&HtCapabilityTmp,
-						  1,						&AddHtInfoIe,
-						  1,						&HtLen1,
-						  HtLen1,					&addHTInfoTmp,
-						  END_OF_ARGS);
-#endif
 		FrameLen += TmpLen;
 	}
 #endif // DOT11_N_SUPPORT //
@@ -2503,11 +2480,6 @@
     		PID_MGMT, PID_BEACON, RATE_1, IFS_HTTXOP, FALSE, &Transmit);
     }
 
-#ifdef RT_BIG_ENDIAN
-	RTMPFrameEndianChange(pAd, pBeaconFrame, DIR_WRITE, FALSE);
-	RTMPWIEndianChange((PUCHAR)pTxWI, TYPE_TXWI);
-#endif
-
     DBGPRINT(RT_DEBUG_TRACE, ("MakeIbssBeacon (len=%ld), SupRateLen=%d, ExtRateLen=%d, Channel=%d, PhyMode=%d\n",
 					FrameLen, SupRateLen, ExtRateLen, pAd->CommonCfg.Channel, pAd->CommonCfg.PhyMode));
 	return FrameLen;
diff --git a/drivers/staging/rt2870/sta/rtmp_data.c b/drivers/staging/rt2870/sta/rtmp_data.c
index 835e882..b7c1097 100644
--- a/drivers/staging/rt2870/sta/rtmp_data.c
+++ b/drivers/staging/rt2870/sta/rtmp_data.c
@@ -693,11 +693,6 @@
 		pRxWI	= (PRXWI_STRUC) pData;
 		pHeader = (PHEADER_802_11) (pData+RXWI_SIZE) ;
 
-#ifdef RT_BIG_ENDIAN
-	    RTMPFrameEndianChange(pAd, (PUCHAR)pHeader, DIR_READ, TRUE);
-		RTMPWIEndianChange((PUCHAR)pRxWI, TYPE_RXWI);
-#endif
-
 		// build RxCell
 		RxCell.pRxWI = pRxWI;
 		RxCell.pHeader = pHeader;
diff --git a/drivers/staging/rt2870/wpa.h b/drivers/staging/rt2870/wpa.h
index 0134ae6..355309a 100644
--- a/drivers/staging/rt2870/wpa.h
+++ b/drivers/staging/rt2870/wpa.h
@@ -150,19 +150,6 @@
 // EAPOL Key Information definition within Key descriptor format
 typedef	struct PACKED _KEY_INFO
 {
-#ifdef RT_BIG_ENDIAN
-	UCHAR	KeyAck:1;
-    UCHAR	Install:1;
-    UCHAR	KeyIndex:2;
-    UCHAR	KeyType:1;
-    UCHAR	KeyDescVer:3;
-    UCHAR	Rsvd:3;
-    UCHAR	EKD_DL:1;		// EKD for AP; DL for STA
-    UCHAR	Request:1;
-    UCHAR	Error:1;
-    UCHAR	Secure:1;
-    UCHAR	KeyMic:1;
-#else
 	UCHAR	KeyMic:1;
 	UCHAR	Secure:1;
 	UCHAR	Error:1;
@@ -174,7 +161,6 @@
 	UCHAR	KeyIndex:2;
 	UCHAR	Install:1;
 	UCHAR	KeyAck:1;
-#endif
 }	KEY_INFO, *PKEY_INFO;
 
 // EAPOL Key descriptor format
@@ -204,17 +190,10 @@
 //802.11i D10 page 83
 typedef struct PACKED _GTK_ENCAP
 {
-#ifndef RT_BIG_ENDIAN
     UCHAR               Kid:2;
     UCHAR               tx:1;
     UCHAR               rsv:5;
     UCHAR               rsv1;
-#else
-    UCHAR               rsv:5;
-    UCHAR               tx:1;
-    UCHAR               Kid:2;
-    UCHAR               rsv1;
-#endif
     UCHAR               GTK[TKIP_GTK_LENGTH];
 }   GTK_ENCAP, *PGTK_ENCAP;
 
@@ -258,19 +237,11 @@
 
 typedef	union PACKED _RSN_CAPABILITIES	{
 	struct	PACKED {
-#ifdef RT_BIG_ENDIAN
-        USHORT		Rsvd:10;
-        USHORT		GTKSA_R_Counter:2;
-        USHORT		PTKSA_R_Counter:2;
-        USHORT		No_Pairwise:1;
-		USHORT		PreAuth:1;
-#else
         USHORT		PreAuth:1;
 		USHORT		No_Pairwise:1;
 		USHORT		PTKSA_R_Counter:2;
 		USHORT		GTKSA_R_Counter:2;
 		USHORT		Rsvd:10;
-#endif
 	}	field;
 	USHORT			word;
 }	RSN_CAPABILITIES, *PRSN_CAPABILITIES;