[PATCH 07/12] Staging: rt28x0: remove optional loading of EEPROM from file in eFuse mode

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: [PATCH] Staging: rt28x0: remove optional loading of EEPROM from file in eFuse mode

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/staging/rt2860/common/cmm_profile.c |   10 
 drivers/staging/rt2860/common/ee_efuse.c    |  788 ----------------------------
 drivers/staging/rt2860/common/eeprom.c      |    3 
 drivers/staging/rt2860/common/rtmp_init.c   |    9 
 drivers/staging/rt2860/rt_linux.c           |   20 
 drivers/staging/rt2860/rtmp.h               |   21 
 6 files changed, 1 insertion(+), 850 deletions(-)

Index: b/drivers/staging/rt2860/common/cmm_profile.c
===================================================================
--- a/drivers/staging/rt2860/common/cmm_profile.c
+++ b/drivers/staging/rt2860/common/cmm_profile.c
@@ -1194,16 +1194,6 @@ NDIS_STATUS	RTMPSetProfileParameters(
 			retval = RT_CfgSetCountryRegion(pAd, tmpbuf, BAND_5G);
 			DBGPRINT(RT_DEBUG_TRACE, ("CountryRegionABand=%d\n", pAd->CommonCfg.CountryRegionForABand));
 		}
-#ifdef RTMP_EFUSE_SUPPORT
-#ifdef RT30xx
-		//EfuseBufferMode
-		if(RTMPGetKeyParameter("EfuseBufferMode", tmpbuf, 25, pBuffer, TRUE))
-		{
-			pAd->bEEPROMFile = (UCHAR) simple_strtol(tmpbuf, 0, 10);
-			DBGPRINT(RT_DEBUG_TRACE, ("EfuseBufferMode=%d\n", pAd->bUseEfuse));
-		}
-#endif // RT30xx //
-#endif // RTMP_EFUSE_SUPPORT //
 		//CountryCode
 		if(RTMPGetKeyParameter("CountryCode", tmpbuf, 25, pBuffer, TRUE))
 		{
Index: b/drivers/staging/rt2860/common/ee_efuse.c
===================================================================
--- a/drivers/staging/rt2860/common/ee_efuse.c
+++ b/drivers/staging/rt2860/common/ee_efuse.c
@@ -67,21 +67,6 @@ typedef	union	_EFUSE_CTRL_STRUC {
 	UINT32			word;
 }	EFUSE_CTRL_STRUC, *PEFUSE_CTRL_STRUC;
 
-static VOID eFuseWritePhysical(
-	IN	PRTMP_ADAPTER	pAd,
-	PUSHORT lpInBuffer,
-	ULONG nInBufferSize,
-	PUCHAR lpOutBuffer,
-	ULONG nOutBufferSize);
-
-
-static NTSTATUS eFuseWriteRegistersFromBin(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	USHORT Offset,
-	IN	USHORT Length,
-	IN	USHORT* pData);
-
-
 /*
 ========================================================================
 
@@ -281,164 +266,6 @@ static VOID eFuseReadPhysical(
 
 ========================================================================
 */
-static VOID eFusePhysicalWriteRegisters(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	USHORT Offset,
-	IN	USHORT Length,
-	OUT	USHORT* pData)
-{
-	EFUSE_CTRL_STRUC		eFuseCtrlStruc;
-	int	i;
-	USHORT	efuseDataOffset;
-	UINT32	data, eFuseDataBuffer[4];
-
-	//Step0. Write 16-byte of data to EFUSE_DATA0-3 (0x590-0x59C), where EFUSE_DATA0 is the LSB DW, EFUSE_DATA3 is the MSB DW.
-
-	/////////////////////////////////////////////////////////////////
-	//read current values of 16-byte block
-	RTMP_IO_READ32(pAd, EFUSE_CTRL,  &eFuseCtrlStruc.word);
-
-	//Step0. Write 10-bit of address to EFSROM_AIN (0x580, bit25:bit16). The address must be 16-byte alignment.
-	eFuseCtrlStruc.field.EFSROM_AIN = Offset & 0xfff0;
-
-	//Step1. Write EFSROM_MODE (0x580, bit7:bit6) to 1.
-	eFuseCtrlStruc.field.EFSROM_MODE = 1;
-
-	//Step2. Write EFSROM_KICK (0x580, bit30) to 1 to kick-off physical read procedure.
-	eFuseCtrlStruc.field.EFSROM_KICK = 1;
-
-	NdisMoveMemory(&data, &eFuseCtrlStruc, 4);
-	RTMP_IO_WRITE32(pAd, EFUSE_CTRL, data);
-
-	//Step3. Polling EFSROM_KICK(0x580, bit30) until it become 0 again.
-	i = 0;
-	while(i < 500)
-	{
-		RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-
-		if(eFuseCtrlStruc.field.EFSROM_KICK == 0)
-			break;
-		RTMPusecDelay(2);
-		i++;
-	}
-
-	//Step4. Read 16-byte of data from EFUSE_DATA0-3 (0x59C-0x590)
-	efuseDataOffset =  EFUSE_DATA3;
-	for(i=0; i< 4; i++)
-	{
-		RTMP_IO_READ32(pAd, efuseDataOffset, (PUINT32) &eFuseDataBuffer[i]);
-		efuseDataOffset -=  4;
-	}
-
-	//Update the value, the offset is multiple of 2, length is 2
-	efuseDataOffset = (Offset & 0xc) >> 2;
-	data = pData[0] & 0xffff;
-	//The offset should be 0x***10 or 0x***00
-	if((Offset % 4) != 0)
-	{
-		eFuseDataBuffer[efuseDataOffset] = (eFuseDataBuffer[efuseDataOffset] & 0xffff) | (data << 16);
-	}
-	else
-	{
-		eFuseDataBuffer[efuseDataOffset] = (eFuseDataBuffer[efuseDataOffset] & 0xffff0000) | data;
-	}
-
-	efuseDataOffset =  EFUSE_DATA3;
-	for(i=0; i< 4; i++)
-	{
-		RTMP_IO_WRITE32(pAd, efuseDataOffset, eFuseDataBuffer[i]);
-		efuseDataOffset -= 4;
-	}
-	/////////////////////////////////////////////////////////////////
-
-	//Step1. Write 10-bit of address to EFSROM_AIN (0x580, bit25:bit16). The address must be 16-byte alignment.
-
-	RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-
-	eFuseCtrlStruc.field.EFSROM_AIN = Offset & 0xfff0;
-
-	//Step2. Write EFSROM_MODE (0x580, bit7:bit6) to 3.
-	eFuseCtrlStruc.field.EFSROM_MODE = 3;
-
-	//Step3. Write EFSROM_KICK (0x580, bit30) to 1 to kick-off physical write procedure.
-	eFuseCtrlStruc.field.EFSROM_KICK = 1;
-
-	NdisMoveMemory(&data, &eFuseCtrlStruc, 4);
-	RTMP_IO_WRITE32(pAd, EFUSE_CTRL, data);
-
-	//Step4. Polling EFSROM_KICK(0x580, bit30) until it become 0 again. It¡¦s done.
-	i = 0;
-
-	while(i < 500)
-	{
-		RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-
-		if(eFuseCtrlStruc.field.EFSROM_KICK == 0)
-			break;
-
-		RTMPusecDelay(2);
-		i++;
-	}
-}
-
-/*
-========================================================================
-
-	Routine Description:
-
-	Arguments:
-
-	Return Value:
-
-	Note:
-
-========================================================================
-*/
-static VOID eFuseWritePhysical(
-	IN	PRTMP_ADAPTER	pAd,
-	PUSHORT lpInBuffer,
-	ULONG nInBufferSize,
-	PUCHAR lpOutBuffer,
-	ULONG nOutBufferSize
-)
-{
-	USHORT* pInBuf = (USHORT*)lpInBuffer;
-	int		i;
-	//USHORT* pOutBuf = (USHORT*)ioBuffer;
-	USHORT Offset = pInBuf[0];					// addr
-	USHORT Length = pInBuf[1];					// length
-	USHORT* pValueX = &pInBuf[2];				// value ...
-
-	DBGPRINT(RT_DEBUG_TRACE, ("eFuseWritePhysical Offset=0x%x, length=%d\n", Offset, Length));
-
-	{
-		// Little-endian		S	|	S	Big-endian
-		// addr	3	2	1	0	|	0	1	2	3
-		// Ori-V	D	C	B	A	|	A	B	C	D
-		// After swapping
-		//		D	C	B	A	|	D	C	B	A
-		// Both the little and big-endian use the same sequence to write  data.
-		// Therefore, we only need swap data when read the data.
-		for (i=0; i<Length; i+=2)
-		{
-			eFusePhysicalWriteRegisters(pAd, Offset+i, 2, &pValueX[i/2]);
-		}
-	}
-}
-
-/*
-========================================================================
-
-	Routine Description:
-
-	Arguments:
-
-	Return Value:
-
-	Note:
-
-========================================================================
-*/
 INT set_eFuseGetFreeBlockCount_Proc(
 	IN	PRTMP_ADAPTER	pAd,
 	IN	PSTRING			arg)
@@ -492,442 +319,12 @@ USHORT InBuf[3];
 	return TRUE;
 }
 
-
-INT	set_eFuseLoadFromBin_Proc(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	PSTRING			arg)
-{
-	PSTRING					src;
-	RTMP_OS_FD				srcf;
-	RTMP_OS_FS_INFO			osfsInfo;
-	INT						retval, memSize;
-	PSTRING					buffer, memPtr;
-	INT						i = 0,j=0,k=1;
-	USHORT					*PDATA;
-	USHORT					DATA;
-
-	memSize = 128 + MAX_EEPROM_BIN_FILE_SIZE + sizeof(USHORT) * 8;
-	memPtr = kmalloc(memSize, MEM_ALLOC_FLAG);
-	if (memPtr == NULL)
-		return FALSE;
-
-	NdisZeroMemory(memPtr, memSize);
-	src = memPtr; // kmalloc(128, MEM_ALLOC_FLAG);
-	buffer = src + 128;		// kmalloc(MAX_EEPROM_BIN_FILE_SIZE, MEM_ALLOC_FLAG);
-	PDATA = (USHORT*)(buffer + MAX_EEPROM_BIN_FILE_SIZE);	// kmalloc(sizeof(USHORT)*8,MEM_ALLOC_FLAG);
-
-	if(strlen(arg)>0)
-		NdisMoveMemory(src, arg, strlen(arg));
-	else
-		NdisMoveMemory(src, EFUSE_EEPROM_DEFULT_FILE, strlen(EFUSE_EEPROM_DEFULT_FILE));
-	DBGPRINT(RT_DEBUG_TRACE, ("FileName=%s\n",src));
-
-	RtmpOSFSInfoChange(&osfsInfo, TRUE);
-
-	srcf = RtmpOSFileOpen(src, O_RDONLY, 0);
-	if (IS_FILE_OPEN_ERR(srcf))
-	{
-		DBGPRINT(RT_DEBUG_ERROR, ("--> Error opening file %s\n", src));
-		retval = FALSE;
-		goto recoverFS;
-	}
-	else
-	{
-		// The object must have a read method
-		while(RtmpOSFileRead(srcf, &buffer[i], 1)==1)
-		{
-		i++;
-			if(i>MAX_EEPROM_BIN_FILE_SIZE)
-			{
-				DBGPRINT(RT_DEBUG_ERROR, ("--> Error reading file %s, file size too large[>%d]\n", src, MAX_EEPROM_BIN_FILE_SIZE));
-				retval = FALSE;
-				goto closeFile;
-			}
-		}
-
-		retval = RtmpOSFileClose(srcf);
-		if (retval)
-			DBGPRINT(RT_DEBUG_TRACE, ("--> Error closing file %s\n", src));
-	}
-
-
-	RtmpOSFSInfoChange(&osfsInfo, FALSE);
-
-	for(j=0;j<i;j++)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("%02X ",buffer[j]&0xff));
-		if((j+1)%2==0)
-			PDATA[j/2%8]=((buffer[j]<<8)&0xff00)|(buffer[j-1]&0xff);
-		if(j%16==0)
-		{
-			k=buffer[j];
-		}
-		else
-		{
-			k&=buffer[j];
-			if((j+1)%16==0)
-			{
-				DBGPRINT(RT_DEBUG_TRACE, (" result=%02X,blk=%02x\n",k,j/16));
-				if(k!=0xff)
-					eFuseWriteRegistersFromBin(pAd,(USHORT)j-15, 16, PDATA);
-				else
-				{
-					if(eFuseReadRegisters(pAd,j, 2,(PUSHORT)&DATA)!=0x3f)
-						eFuseWriteRegistersFromBin(pAd,(USHORT)j-15, 16, PDATA);
-				}
-				/*
-				for(l=0;l<8;l++)
-					printk("%04x ",PDATA[l]);
-				printk("\n");
-				*/
-				NdisZeroMemory(PDATA,16);
-			}
-		}
-	}
-
-	return TRUE;
-
-closeFile:
-	if (srcf)
-		RtmpOSFileClose(srcf);
-
-recoverFS:
-	RtmpOSFSInfoChange(&osfsInfo, FALSE);
-
-
-	if (memPtr)
-		kfree(memPtr);
-
-	return retval;
-}
-
-
-static NTSTATUS eFuseWriteRegistersFromBin(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	USHORT Offset,
-	IN	USHORT Length,
-	IN	USHORT* pData)
-{
-	USHORT	i;
-	USHORT	eFuseData;
-	USHORT	LogicalAddress, BlkNum = 0xffff;
-	UCHAR	EFSROM_AOUT,Loop=0;
-	EFUSE_CTRL_STRUC		eFuseCtrlStruc;
-	USHORT	efuseDataOffset;
-	UINT32	data,tempbuffer;
-	USHORT addr,tmpaddr, InBuf[3], tmpOffset;
-	UINT32 buffer[4];
-	BOOLEAN		bWriteSuccess = TRUE;
-	BOOLEAN		bNotWrite=TRUE;
-	BOOLEAN		bAllocateNewBlk=TRUE;
-
-	DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegistersFromBin Offset=%x, pData=%04x:%04x:%04x:%04x\n", Offset, *pData,*(pData+1),*(pData+2),*(pData+3)));
-
-	do
-	{
-	//Step 0. find the entry in the mapping table
-	//The address of EEPROM is 2-bytes alignment.
-	//The last bit is used for alignment, so it must be 0.
-	Loop++;
-	tmpOffset = Offset & 0xfffe;
-	EFSROM_AOUT = eFuseReadRegisters(pAd, tmpOffset, 2, &eFuseData);
-
-	if( EFSROM_AOUT == 0x3f)
-	{	//find available logical address pointer
-		//the logical address does not exist, find an empty one
-		//from the first address of block 45=16*45=0x2d0 to the last address of block 47
-		//==>48*16-3(reserved)=2FC
-		bAllocateNewBlk=TRUE;
-		for (i=EFUSE_USAGE_MAP_START; i<=EFUSE_USAGE_MAP_END; i+=2)
-		{
-			//Retrive the logical block nubmer form each logical address pointer
-			//It will access two logical address pointer each time.
-			eFusePhysicalReadRegisters(pAd, i, 2, &LogicalAddress);
-			if( (LogicalAddress & 0xff) == 0)
-			{//Not used logical address pointer
-				BlkNum = i-EFUSE_USAGE_MAP_START;
-				break;
-			}
-			else if(( (LogicalAddress >> 8) & 0xff) == 0)
-			{//Not used logical address pointer
-				if (i != EFUSE_USAGE_MAP_END)
-				{
-					BlkNum = i-EFUSE_USAGE_MAP_START+1;
-				}
-				break;
-			}
-		}
-	}
-	else
-	{
-		bAllocateNewBlk=FALSE;
-		BlkNum = EFSROM_AOUT;
-	}
-
-	DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegisters BlkNum = %d \n", BlkNum));
-
-	if(BlkNum == 0xffff)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegisters: out of free E-fuse space!!!\n"));
-		return FALSE;
-	}
-	//Step 1.1.0
-	//If the block is not existing in mapping table, create one
-	//and write down the 16-bytes data to the new block
-	if(bAllocateNewBlk)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("Allocate New Blk\n"));
-		efuseDataOffset =  EFUSE_DATA3;
-		for(i=0; i< 4; i++)
-		{
-			DBGPRINT(RT_DEBUG_TRACE, ("Allocate New Blk, Data%d=%04x%04x\n",3-i,pData[2*i+1],pData[2*i]));
-			tempbuffer=((pData[2*i+1]<<16)&0xffff0000)|pData[2*i];
-
-
-			RTMP_IO_WRITE32(pAd, efuseDataOffset,tempbuffer);
-			efuseDataOffset -= 4;
-
-		}
-		/////////////////////////////////////////////////////////////////
-
-		//Step1.1.1. Write 10-bit of address to EFSROM_AIN (0x580, bit25:bit16). The address must be 16-byte alignment.
-		RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-		eFuseCtrlStruc.field.EFSROM_AIN = BlkNum* 0x10 ;
-
-		//Step1.1.2. Write EFSROM_MODE (0x580, bit7:bit6) to 3.
-		eFuseCtrlStruc.field.EFSROM_MODE = 3;
-
-		//Step1.1.3. Write EFSROM_KICK (0x580, bit30) to 1 to kick-off physical write procedure.
-		eFuseCtrlStruc.field.EFSROM_KICK = 1;
-
-		NdisMoveMemory(&data, &eFuseCtrlStruc, 4);
-
-		RTMP_IO_WRITE32(pAd, EFUSE_CTRL, data);
-
-		//Step1.1.4. Polling EFSROM_KICK(0x580, bit30) until it become 0 again. It¡¦s done.
-		i = 0;
-		while(i < 100)
-		{
-			RTMP_IO_READ32(pAd, EFUSE_CTRL, (PUINT32) &eFuseCtrlStruc);
-
-			if(eFuseCtrlStruc.field.EFSROM_KICK == 0)
-				break;
-
-			RTMPusecDelay(2);
-			i++;
-		}
-
-	}
-	else
-	{	//Step1.2.
-		//If the same logical number is existing, check if the writting data and the data
-		//saving in this block are the same.
-		/////////////////////////////////////////////////////////////////
-		//read current values of 16-byte block
-		RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-
-		//Step1.2.0. Write 10-bit of address to EFSROM_AIN (0x580, bit25:bit16). The address must be 16-byte alignment.
-		eFuseCtrlStruc.field.EFSROM_AIN = Offset & 0xfff0;
-
-		//Step1.2.1. Write EFSROM_MODE (0x580, bit7:bit6) to 1.
-		eFuseCtrlStruc.field.EFSROM_MODE = 0;
-
-		//Step1.2.2. Write EFSROM_KICK (0x580, bit30) to 1 to kick-off physical read procedure.
-		eFuseCtrlStruc.field.EFSROM_KICK = 1;
-
-		NdisMoveMemory(&data, &eFuseCtrlStruc, 4);
-		RTMP_IO_WRITE32(pAd, EFUSE_CTRL, data);
-
-		//Step1.2.3. Polling EFSROM_KICK(0x580, bit30) until it become 0 again.
-		i = 0;
-		while(i < 500)
-		{
-			RTMP_IO_READ32(pAd, EFUSE_CTRL, (PUINT32) &eFuseCtrlStruc);
-
-			if(eFuseCtrlStruc.field.EFSROM_KICK == 0)
-				break;
-			RTMPusecDelay(2);
-			i++;
-		}
-
-		//Step1.2.4. Read 16-byte of data from EFUSE_DATA0-3 (0x59C-0x590)
-		efuseDataOffset =  EFUSE_DATA3;
-		for(i=0; i< 4; i++)
-		{
-			RTMP_IO_READ32(pAd, efuseDataOffset, (PUINT32) &buffer[i]);
-			efuseDataOffset -=  4;
-		}
-		//Step1.2.5. Check if the data of efuse and the writing data are the same.
-		for(i =0; i<4; i++)
-		{
-			tempbuffer=((pData[2*i+1]<<16)&0xffff0000)|pData[2*i];
-			DBGPRINT(RT_DEBUG_TRACE, ("buffer[%d]=%x,pData[%d]=%x,pData[%d]=%x,tempbuffer=%x\n",i,buffer[i],2*i,pData[2*i],2*i+1,pData[2*i+1],tempbuffer));
-
-			if(((buffer[i]&0xffff0000)==(pData[2*i+1]<<16))&&((buffer[i]&0xffff)==pData[2*i]))
-				bNotWrite&=TRUE;
-			else
-			{
-				bNotWrite&=FALSE;
-				break;
-			}
-		}
-		if(!bNotWrite)
-		{
-		printk("The data is not the same\n");
-
-			for(i =0; i<8; i++)
-			{
-				addr = BlkNum * 0x10 ;
-
-				InBuf[0] = addr+2*i;
-				InBuf[1] = 2;
-				InBuf[2] = pData[i];
-
-				eFuseWritePhysical(pAd, &InBuf[0], 6, NULL, 2);
-			}
-
-		}
-		else
-			return TRUE;
-	     }
-
-
-
-		//Step 2. Write mapping table
-		addr = EFUSE_USAGE_MAP_START+BlkNum;
-
-		tmpaddr = addr;
-
-		if(addr % 2 != 0)
-			addr = addr -1;
-		InBuf[0] = addr;
-		InBuf[1] = 2;
-
-		//convert the address from 10 to 8 bit ( bit7, 6 = parity and bit5 ~ 0 = bit9~4), and write to logical map entry
-		tmpOffset = Offset;
-		tmpOffset >>= 4;
-		tmpOffset |= ((~((tmpOffset & 0x01) ^ ( tmpOffset >> 1 & 0x01) ^  (tmpOffset >> 2 & 0x01) ^  (tmpOffset >> 3 & 0x01))) << 6) & 0x40;
-		tmpOffset |= ((~( (tmpOffset >> 2 & 0x01) ^ (tmpOffset >> 3 & 0x01) ^ (tmpOffset >> 4 & 0x01) ^ ( tmpOffset >> 5 & 0x01))) << 7) & 0x80;
-
-		// write the logical address
-		if(tmpaddr%2 != 0)
-			InBuf[2] = tmpOffset<<8;
-		else
-			InBuf[2] = tmpOffset;
-
-		eFuseWritePhysical(pAd,&InBuf[0], 6, NULL, 0);
-
-		//Step 3. Compare data if not the same, invalidate the mapping entry, then re-write the data until E-fuse is exhausted
-		bWriteSuccess = TRUE;
-		for(i =0; i<8; i++)
-		{
-			addr = BlkNum * 0x10 ;
-
-			InBuf[0] = addr+2*i;
-			InBuf[1] = 2;
-			InBuf[2] = 0x0;
-
-			eFuseReadPhysical(pAd, &InBuf[0], 4, &InBuf[2], 2);
-			DBGPRINT(RT_DEBUG_TRACE, ("addr=%x, buffer[i]=%x,InBuf[2]=%x\n",InBuf[0],pData[i],InBuf[2]));
-			if(pData[i] != InBuf[2])
-			{
-				bWriteSuccess = FALSE;
-				break;
-			}
-		}
-
-		//Step 4. invlidate mapping entry and find a free mapping entry if not succeed
-
-		if (!bWriteSuccess&&Loop<2)
-		{
-			DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegistersFromBin::Not bWriteSuccess BlkNum = %d\n", BlkNum));
-
-			// the offset of current mapping entry
-			addr = EFUSE_USAGE_MAP_START+BlkNum;
-
-			//find a new mapping entry
-			BlkNum = 0xffff;
-			for (i=EFUSE_USAGE_MAP_START; i<=EFUSE_USAGE_MAP_END; i+=2)
-			{
-				eFusePhysicalReadRegisters(pAd, i, 2, &LogicalAddress);
-				if( (LogicalAddress & 0xff) == 0)
-				{
-					BlkNum = i-EFUSE_USAGE_MAP_START;
-					break;
-				}
-				else if(( (LogicalAddress >> 8) & 0xff) == 0)
-				{
-					if (i != EFUSE_USAGE_MAP_END)
-					{
-						BlkNum = i+1-EFUSE_USAGE_MAP_START;
-					}
-					break;
-				}
-			}
-			DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegistersFromBin::Not bWriteSuccess new BlkNum = %d\n", BlkNum));
-			if(BlkNum == 0xffff)
-			{
-				DBGPRINT(RT_DEBUG_TRACE, ("eFuseWriteRegistersFromBin: out of free E-fuse space!!!\n"));
-				return FALSE;
-			}
-
-			//invalidate the original mapping entry if new entry is not found
-			tmpaddr = addr;
-
-			if(addr % 2 != 0)
-				addr = addr -1;
-			InBuf[0] = addr;
-			InBuf[1] = 2;
-
-			eFuseReadPhysical(pAd, &InBuf[0], 4, &InBuf[2], 2);
-
-			// write the logical address
-			if(tmpaddr%2 != 0)
-			{
-				// Invalidate the high byte
-				for (i=8; i<15; i++)
-				{
-					if( ( (InBuf[2] >> i) & 0x01) == 0)
-					{
-						InBuf[2] |= (0x1 <<i);
-						break;
-					}
-				}
-			}
-			else
-			{
-				// invalidate the low byte
-				for (i=0; i<8; i++)
-				{
-					if( ( (InBuf[2] >> i) & 0x01) == 0)
-					{
-						InBuf[2] |= (0x1 <<i);
-						break;
-					}
-				}
-			}
-			eFuseWritePhysical(pAd, &InBuf[0], 6, NULL, 0);
-		}
-
-	}
-	while(!bWriteSuccess&&Loop<2);
-
-	return TRUE;
-}
-
-
 int rtmp_ee_efuse_read16(
 	IN RTMP_ADAPTER *pAd,
 	IN USHORT Offset,
 	OUT USHORT *pValue)
 {
-	if(pAd->bFroceEEPROMBuffer || pAd->bEEPROMFile)
-	{
-	    DBGPRINT(RT_DEBUG_TRACE,  ("Read from EEPROM Buffer\n"));
-	    NdisMoveMemory(pValue, &(pAd->EEPROMImage[Offset]), 2);
-	}
-	else
-	    eFuseReadRegisters(pAd, Offset, 2, pValue);
+	eFuseReadRegisters(pAd, Offset, 2, pValue);
 	return (*pValue);
 }
 
@@ -944,177 +341,6 @@ int RtmpEfuseSupportCheck(
 	return 0;
 }
 
-INT set_eFuseBufferModeWriteBack_Proc(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	PSTRING			arg)
-{
-	UINT Enable;
-
-
-	if(strlen(arg)>0)
-	{
-		Enable= simple_strtol(arg, 0, 16);
-	}
-	else
-		return FALSE;
-	if(Enable==1)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("set_eFuseBufferMode_Proc:: Call WRITEEEPROMBUF"));
-		eFuseWriteEeeppromBuf(pAd);
-	}
-	else
-		return FALSE;
-	return TRUE;
-}
-
-
-/*
-	========================================================================
-
-	Routine Description:
-		Load EEPROM from bin file for eFuse mode
-
-	Arguments:
-		Adapter						Pointer to our adapter
-
-	Return Value:
-		NDIS_STATUS_SUCCESS         firmware image load ok
-		NDIS_STATUS_FAILURE         image not found
-
-	IRQL = PASSIVE_LEVEL
-
-	========================================================================
-*/
-INT eFuseLoadEEPROM(
-	IN PRTMP_ADAPTER pAd)
-{
-	PSTRING					src = NULL;
-	INT						retval;
-	RTMP_OS_FD				srcf;
-	RTMP_OS_FS_INFO			osFSInfo;
-
-
-	src=EFUSE_BUFFER_PATH;
-	DBGPRINT(RT_DEBUG_TRACE, ("FileName=%s\n",src));
-
-
-	RtmpOSFSInfoChange(&osFSInfo, TRUE);
-
-	if (src && *src)
-	{
-		srcf = RtmpOSFileOpen(src, O_RDONLY, 0);
-		if (IS_FILE_OPEN_ERR(srcf))
-		{
-			DBGPRINT(RT_DEBUG_ERROR, ("--> Error %ld opening %s\n", -PTR_ERR(srcf),src));
-			return FALSE;
-		}
-		else
-		{
-
-				memset(pAd->EEPROMImage, 0x00, MAX_EEPROM_BIN_FILE_SIZE);
-
-
-			retval =RtmpOSFileRead(srcf, (PSTRING)pAd->EEPROMImage, MAX_EEPROM_BIN_FILE_SIZE);
-			if (retval > 0)
-							{
-				RTMPSetProfileParameters(pAd, (PSTRING)pAd->EEPROMImage);
-				retval = NDIS_STATUS_SUCCESS;
-			}
-			else
-				DBGPRINT(RT_DEBUG_ERROR, ("Read file \"%s\" failed(errCode=%d)!\n", src, retval));
-
-		}
-
-
-	}
-	else
-		{
-					DBGPRINT(RT_DEBUG_ERROR, ("--> Error src  or srcf is null\n"));
-					return FALSE;
-
-		}
-
-	retval=RtmpOSFileClose(srcf);
-
-	if (retval)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("--> Error %d closing %s\n", -retval, src));
-	}
-
-
-	RtmpOSFSInfoChange(&osFSInfo, FALSE);
-
-	return TRUE;
-}
-
-INT eFuseWriteEeeppromBuf(
-	IN PRTMP_ADAPTER pAd)
-{
-
-	PSTRING					src = NULL;
-	INT						retval;
-	RTMP_OS_FD				srcf;
-	RTMP_OS_FS_INFO			osFSInfo;
-
-
-	src=EFUSE_BUFFER_PATH;
-	DBGPRINT(RT_DEBUG_TRACE, ("FileName=%s\n",src));
-
-	RtmpOSFSInfoChange(&osFSInfo, TRUE);
-
-
-
-	if (src && *src)
-	{
-		srcf = RtmpOSFileOpen(src, O_WRONLY|O_CREAT, 0);
-
-		if (IS_FILE_OPEN_ERR(srcf))
-		{
-			DBGPRINT(RT_DEBUG_ERROR, ("--> Error %ld opening %s\n", -PTR_ERR(srcf),src));
-			return FALSE;
-		}
-		else
-		{
-/*
-			// The object must have a read method
-			if (srcf->f_op && srcf->f_op->write)
-			{
-				// The object must have a read method
-                        srcf->f_op->write(srcf, pAd->EEPROMImage, 1024, &srcf->f_pos);
-
-			}
-			else
-			{
-						DBGPRINT(RT_DEBUG_ERROR, ("--> Error!! System doest not support read function\n"));
-						return FALSE;
-			}
-*/
-
-			RtmpOSFileWrite(srcf, (PSTRING)pAd->EEPROMImage,MAX_EEPROM_BIN_FILE_SIZE);
-
-		}
-
-
-	}
-	else
-	{
-		DBGPRINT(RT_DEBUG_ERROR, ("--> Error src  or srcf is null\n"));
-		return FALSE;
-
-	}
-
-	retval=RtmpOSFileClose(srcf);
-
-	if (retval)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("--> Error %d closing %s\n", -retval, src));
-	}
-
-	RtmpOSFSInfoChange(&osFSInfo, FALSE);
-	return TRUE;
-}
-
-
 VOID eFuseGetFreeBlockCount(IN PRTMP_ADAPTER pAd,
 	PUINT EfuseFreeBlock)
 {
@@ -1151,18 +377,6 @@ INT eFuse_init(
 	UINT	EfuseFreeBlock=0;
 	DBGPRINT(RT_DEBUG_ERROR, ("NVM is Efuse and its size =%x[%x-%x] \n",EFUSE_USAGE_MAP_SIZE,EFUSE_USAGE_MAP_START,EFUSE_USAGE_MAP_END));
 	eFuseGetFreeBlockCount(pAd, &EfuseFreeBlock);
-	//If the used block of efuse is less than 5. We assume the default value
-	// of this efuse is empty and change to the buffer mode in odrder to
-	//bring up interfaces successfully.
-	if(EfuseFreeBlock > (EFUSE_USAGE_MAP_END-5))
-	{
-		DBGPRINT(RT_DEBUG_ERROR, ("NVM is Efuse and the information is too less to bring up interface. Force to use EEPROM Buffer Mode\n"));
-		pAd->bFroceEEPROMBuffer = TRUE;
-		eFuseLoadEEPROM(pAd);
-	}
-	else
-		pAd->bFroceEEPROMBuffer = FALSE;
-	DBGPRINT(RT_DEBUG_TRACE, ("NVM is Efuse and force to use EEPROM Buffer Mode=%x\n",pAd->bFroceEEPROMBuffer));
 
 	return 0;
 }
Index: b/drivers/staging/rt2860/common/eeprom.c
===================================================================
--- a/drivers/staging/rt2860/common/eeprom.c
+++ b/drivers/staging/rt2860/common/eeprom.c
@@ -69,10 +69,7 @@ INT RtmpChipOpsEepromHook(
 		return 0 ;
 	     }
 		else
-			{
-		pAd->bFroceEEPROMBuffer = FALSE;
 		DBGPRINT(RT_DEBUG_TRACE, ("NVM is EEPROM\n"));
-			}
 #endif // RTMP_EFUSE_SUPPORT //
 #endif // RT30xx //
 
Index: b/drivers/staging/rt2860/common/rtmp_init.c
===================================================================
--- a/drivers/staging/rt2860/common/rtmp_init.c
+++ b/drivers/staging/rt2860/common/rtmp_init.c
@@ -694,15 +694,6 @@ VOID	NICReadEEPROMParameters(
 
 	if (pAd->chipOps.eeinit)
 		pAd->chipOps.eeinit(pAd);
-#ifdef RTMP_EFUSE_SUPPORT
-#ifdef RT30xx
-	if(!pAd->bFroceEEPROMBuffer && pAd->bEEPROMFile)
-	{
-		DBGPRINT(RT_DEBUG_TRACE, ("--> NICReadEEPROMParameters::(Efuse)Load  to EEPROM Buffer Mode\n"));
-		eFuseLoadEEPROM(pAd);
-	}
-#endif // RT30xx //
-#endif // RTMP_EFUSE_SUPPORT //
 
 	// Init EEPROM Address Number, before access EEPROM; if 93c46, EEPROMAddressNum=6, else if 93c66, EEPROMAddressNum=8
 	RTMP_IO_READ32(pAd, E2PROM_CSR, &data);
Index: b/drivers/staging/rt2860/rt_linux.c
===================================================================
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -1065,26 +1065,6 @@ int RtmpOSFileWrite(RTMP_OS_FD osfd, cha
 	return osfd->f_op->write(osfd, pDataPtr, (size_t)writeLen, &osfd->f_pos);
 }
 
-
-void RtmpOSFSInfoChange(RTMP_OS_FS_INFO *pOSFSInfo, BOOLEAN bSet)
-{
-	if (bSet)
-	{
-		// Save uid and gid used for filesystem access.
-		// Set user and group to 0 (root)
-		pOSFSInfo->fsuid = current_fsuid();
-		pOSFSInfo->fsgid = current_fsgid();
-		pOSFSInfo->fs = get_fs();
-		set_fs(KERNEL_DS);
-	}
-	else
-	{
-		set_fs(pOSFSInfo->fs);
-	}
-}
-
-
-
 /*******************************************************************************
 
 	Task create/management/kill related functions.
Index: b/drivers/staging/rt2860/rtmp.h
===================================================================
--- a/drivers/staging/rt2860/rtmp.h
+++ b/drivers/staging/rt2860/rtmp.h
@@ -2258,8 +2258,6 @@ struct _RTMP_ADAPTER
 #ifdef RT30xx
 #ifdef RTMP_EFUSE_SUPPORT
 	BOOLEAN		bUseEfuse;
-	BOOLEAN		bEEPROMFile;
-	BOOLEAN		bFroceEEPROMBuffer;
 	UCHAR		EEPROMImage[1024];
 #endif // RTMP_EFUSE_SUPPORT //
 #endif // RT30xx //
@@ -4021,10 +4019,6 @@ INT set_eFusedump_Proc(
 	IN	PRTMP_ADAPTER	pAd,
 	IN	PSTRING			arg);
 
-INT set_eFuseLoadFromBin_Proc(
-	IN PRTMP_ADAPTER    pAd,
-	IN	PSTRING			arg);
-
 VOID eFusePhysicalReadRegisters(
 	IN PRTMP_ADAPTER    pAd,
 	IN	USHORT Offset,
@@ -4034,16 +4028,6 @@ VOID eFusePhysicalReadRegisters(
 int RtmpEfuseSupportCheck(
 	IN RTMP_ADAPTER *pAd);
 
-INT set_eFuseBufferModeWriteBack_Proc(
-	IN	PRTMP_ADAPTER	pAd,
-	IN	PSTRING			arg);
-
-INT eFuseLoadEEPROM(
-	IN PRTMP_ADAPTER pAd);
-
-INT eFuseWriteEeeppromBuf(
-	IN PRTMP_ADAPTER pAd);
-
 VOID eFuseGetFreeBlockCount(IN PRTMP_ADAPTER pAd,
 	PUINT EfuseFreeBlock);
 
@@ -5632,10 +5616,5 @@ int RtmpOSFileWrite(
 	IN char *pDataPtr,
 	IN int writeLen);
 
-void RtmpOSFSInfoChange(
-	IN RTMP_OS_FS_INFO *pOSFSInfo,
-	IN BOOLEAN bSet);
-
-
 #endif  // __RTMP_H__