diff --git a/drivers/staging/vt6655/80211hdr.h b/drivers/staging/vt6655/80211hdr.h
index a063db6..f55283b 100644
--- a/drivers/staging/vt6655/80211hdr.h
+++ b/drivers/staging/vt6655/80211hdr.h
@@ -290,7 +290,7 @@
 #define IEEE_ADDR_GROUP             0x01
 
 typedef struct {
-    BYTE            abyAddr[6];
+    unsigned char abyAddr[6];
 } IEEE_ADDR, *PIEEE_ADDR;
 
 /* 802.11 Header Format */
@@ -299,8 +299,8 @@
 
     unsigned short wFrameCtl;
     unsigned short wDurationID;
-    BYTE    abyAddr1[WLAN_ADDR_LEN];
-    BYTE    abyAddr2[WLAN_ADDR_LEN];
+    unsigned char abyAddr1[WLAN_ADDR_LEN];
+    unsigned char abyAddr2[WLAN_ADDR_LEN];
 
 } __attribute__ ((__packed__))
 WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
@@ -309,9 +309,9 @@
 
     unsigned short wFrameCtl;
     unsigned short wDurationID;
-    BYTE    abyAddr1[WLAN_ADDR_LEN];
-    BYTE    abyAddr2[WLAN_ADDR_LEN];
-    BYTE    abyAddr3[WLAN_ADDR_LEN];
+    unsigned char abyAddr1[WLAN_ADDR_LEN];
+    unsigned char abyAddr2[WLAN_ADDR_LEN];
+    unsigned char abyAddr3[WLAN_ADDR_LEN];
     unsigned short wSeqCtl;
 
 }__attribute__ ((__packed__))
@@ -321,11 +321,11 @@
 
     unsigned short wFrameCtl;
     unsigned short wDurationID;
-    BYTE    abyAddr1[WLAN_ADDR_LEN];
-    BYTE    abyAddr2[WLAN_ADDR_LEN];
-    BYTE    abyAddr3[WLAN_ADDR_LEN];
+    unsigned char abyAddr1[WLAN_ADDR_LEN];
+    unsigned char abyAddr2[WLAN_ADDR_LEN];
+    unsigned char abyAddr3[WLAN_ADDR_LEN];
     unsigned short wSeqCtl;
-    BYTE    abyAddr4[WLAN_ADDR_LEN];
+    unsigned char abyAddr4[WLAN_ADDR_LEN];
 
 } __attribute__ ((__packed__))
 WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
diff --git a/drivers/staging/vt6655/80211mgr.h b/drivers/staging/vt6655/80211mgr.h
index adae1f3..3bdab3f 100644
--- a/drivers/staging/vt6655/80211mgr.h
+++ b/drivers/staging/vt6655/80211mgr.h
@@ -230,8 +230,8 @@
 
 #pragma pack(1)
 typedef struct tagWLAN_IE {
-    BYTE   byElementID;
-    BYTE   len;
+    unsigned char byElementID;
+    unsigned char len;
 }__attribute__ ((__packed__))
 WLAN_IE, *PWLAN_IE;
 
@@ -239,9 +239,9 @@
 // Service Set Identity (SSID)
 #pragma pack(1)
 typedef struct tagWLAN_IE_SSID {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   abySSID[1];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abySSID[1];
 }__attribute__ ((__packed__))
 WLAN_IE_SSID, *PWLAN_IE_SSID;
 
@@ -249,9 +249,9 @@
 // Supported Rates
 #pragma pack(1)
 typedef struct tagWLAN_IE_SUPP_RATES {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   abyRates[1];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abyRates[1];
 }__attribute__ ((__packed__))
 WLAN_IE_SUPP_RATES,  *PWLAN_IE_SUPP_RATES;
 
@@ -260,20 +260,20 @@
 // FH Parameter Set
 #pragma pack(1)
 typedef struct _WLAN_IE_FH_PARMS {
-    BYTE    byElementID;
-    BYTE    len;
+    unsigned char byElementID;
+    unsigned char len;
     unsigned short wDwellTime;
-    BYTE    byHopSet;
-    BYTE    byHopPattern;
-    BYTE    byHopIndex;
+    unsigned char byHopSet;
+    unsigned char byHopPattern;
+    unsigned char byHopIndex;
 } WLAN_IE_FH_PARMS,  *PWLAN_IE_FH_PARMS;
 
 // DS Parameter Set
 #pragma pack(1)
 typedef struct tagWLAN_IE_DS_PARMS {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   byCurrChannel;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byCurrChannel;
 }__attribute__ ((__packed__))
 WLAN_IE_DS_PARMS,  *PWLAN_IE_DS_PARMS;
 
@@ -281,10 +281,10 @@
 // CF Parameter Set
 #pragma pack(1)
 typedef struct tagWLAN_IE_CF_PARMS {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   byCFPCount;
-    BYTE   byCFPPeriod;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byCFPCount;
+    unsigned char byCFPPeriod;
     unsigned short wCFPMaxDuration;
     unsigned short wCFPDurRemaining;
 }__attribute__ ((__packed__))
@@ -294,12 +294,12 @@
 // TIM
 #pragma pack(1)
 typedef struct tagWLAN_IE_TIM {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   byDTIMCount;
-    BYTE   byDTIMPeriod;
-    BYTE   byBitMapCtl;
-    BYTE   byVirtBitMap[1];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byDTIMCount;
+    unsigned char byDTIMPeriod;
+    unsigned char byBitMapCtl;
+    unsigned char byVirtBitMap[1];
 }__attribute__ ((__packed__))
 WLAN_IE_TIM,  *PWLAN_IE_TIM;
 
@@ -307,8 +307,8 @@
 // IBSS Parameter Set
 #pragma pack(1)
 typedef struct tagWLAN_IE_IBSS_PARMS {
-    BYTE   byElementID;
-    BYTE   len;
+    unsigned char byElementID;
+    unsigned char len;
     unsigned short wATIMWindow;
 }__attribute__ ((__packed__))
 WLAN_IE_IBSS_PARMS, *PWLAN_IE_IBSS_PARMS;
@@ -317,23 +317,23 @@
 // Challenge Text
 #pragma pack(1)
 typedef struct tagWLAN_IE_CHALLENGE {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   abyChallenge[1];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abyChallenge[1];
 }__attribute__ ((__packed__))
 WLAN_IE_CHALLENGE,  *PWLAN_IE_CHALLENGE;
 
 
 #pragma pack(1)
 typedef struct tagWLAN_IE_RSN_EXT {
-    BYTE byElementID;
-    BYTE len;
-    BYTE abyOUI[4];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abyOUI[4];
     unsigned short wVersion;
-    BYTE abyMulticast[4];
+    unsigned char abyMulticast[4];
     unsigned short wPKCount;
     struct {
-        BYTE abyOUI[4];
+        unsigned char abyOUI[4];
     } PKSList[1]; // the rest is variable so need to
     // overlay ieauth structure
 } WLAN_IE_RSN_EXT, *PWLAN_IE_RSN_EXT;
@@ -342,59 +342,59 @@
 typedef struct tagWLAN_IE_RSN_AUTH {
     unsigned short wAuthCount;
     struct {
-        BYTE abyOUI[4];
+        unsigned char abyOUI[4];
     } AuthKSList[1];
 } WLAN_IE_RSN_AUTH, *PWLAN_IE_RSN_AUTH;
 
 // RSN Identity
 #pragma pack(1)
 typedef struct tagWLAN_IE_RSN {
-    BYTE   byElementID;
-    BYTE   len;
+    unsigned char byElementID;
+    unsigned char len;
     unsigned short wVersion;
-    BYTE   abyRSN[WLAN_MIN_ARRAY];
+    unsigned char abyRSN[WLAN_MIN_ARRAY];
 } WLAN_IE_RSN, *PWLAN_IE_RSN;
 
 
 // ERP
 #pragma pack(1)
 typedef struct tagWLAN_IE_ERP {
-    BYTE   byElementID;
-    BYTE   len;
-    BYTE   byContext;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byContext;
 }__attribute__ ((__packed__))
 WLAN_IE_ERP,  *PWLAN_IE_ERP;
 
 
 #pragma pack(1)
 typedef struct _MEASEURE_REQ {
-    BYTE                byChannel;
-    BYTE                abyStartTime[8];
-    BYTE                abyDuration[2];
+    unsigned char byChannel;
+    unsigned char abyStartTime[8];
+    unsigned char abyDuration[2];
 } MEASEURE_REQ, *PMEASEURE_REQ,
   MEASEURE_REQ_BASIC, *PMEASEURE_REQ_BASIC,
   MEASEURE_REQ_CCA, *PMEASEURE_REQ_CCA,
   MEASEURE_REQ_RPI, *PMEASEURE_REQ_RPI;
 
 typedef struct _MEASEURE_REP_BASIC {
-    BYTE                byChannel;
-    BYTE                abyStartTime[8];
-    BYTE                abyDuration[2];
-    BYTE                byMap;
+    unsigned char byChannel;
+    unsigned char abyStartTime[8];
+    unsigned char abyDuration[2];
+    unsigned char byMap;
 } MEASEURE_REP_BASIC, *PMEASEURE_REP_BASIC;
 
 typedef struct _MEASEURE_REP_CCA {
-    BYTE                byChannel;
-    BYTE                abyStartTime[8];
-    BYTE                abyDuration[2];
-    BYTE                byCCABusyFraction;
+    unsigned char byChannel;
+    unsigned char abyStartTime[8];
+    unsigned char abyDuration[2];
+    unsigned char byCCABusyFraction;
 } MEASEURE_REP_CCA, *PMEASEURE_REP_CCA;
 
 typedef struct _MEASEURE_REP_RPI {
-    BYTE                byChannel;
-    BYTE                abyStartTime[8];
-    BYTE                abyDuration[2];
-    BYTE                abyRPIdensity[8];
+    unsigned char byChannel;
+    unsigned char abyStartTime[8];
+    unsigned char abyDuration[2];
+    unsigned char abyRPIdensity[8];
 } MEASEURE_REP_RPI, *PMEASEURE_REP_RPI;
 
 typedef union _MEASEURE_REP {
@@ -406,85 +406,85 @@
 } MEASEURE_REP, *PMEASEURE_REP;
 
 typedef struct _WLAN_IE_MEASURE_REQ {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byToken;
-    BYTE                byMode;
-    BYTE                byType;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byToken;
+    unsigned char byMode;
+    unsigned char byType;
     MEASEURE_REQ        sReq;
 } WLAN_IE_MEASURE_REQ, *PWLAN_IE_MEASURE_REQ;
 
 typedef struct _WLAN_IE_MEASURE_REP {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byToken;
-    BYTE                byMode;
-    BYTE                byType;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byToken;
+    unsigned char byMode;
+    unsigned char byType;
     MEASEURE_REP        sRep;
 } WLAN_IE_MEASURE_REP, *PWLAN_IE_MEASURE_REP;
 
 typedef struct _WLAN_IE_CH_SW {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byMode;
-    BYTE                byChannel;
-    BYTE                byCount;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byMode;
+    unsigned char byChannel;
+    unsigned char byCount;
 } WLAN_IE_CH_SW, *PWLAN_IE_CH_SW;
 
 typedef struct _WLAN_IE_QUIET {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byQuietCount;
-    BYTE                byQuietPeriod;
-    BYTE                abyQuietDuration[2];
-    BYTE                abyQuietOffset[2];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byQuietCount;
+    unsigned char byQuietPeriod;
+    unsigned char abyQuietDuration[2];
+    unsigned char abyQuietOffset[2];
 } WLAN_IE_QUIET, *PWLAN_IE_QUIET;
 
 typedef struct _WLAN_IE_COUNTRY {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                abyCountryString[3];
-    BYTE                abyCountryInfo[3];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abyCountryString[3];
+    unsigned char abyCountryInfo[3];
 } WLAN_IE_COUNTRY, *PWLAN_IE_COUNTRY;
 
 typedef struct _WLAN_IE_PW_CONST {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byPower;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byPower;
 } WLAN_IE_PW_CONST, *PWLAN_IE_PW_CONST;
 
 typedef struct _WLAN_IE_PW_CAP {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byMinPower;
-    BYTE                byMaxPower;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byMinPower;
+    unsigned char byMaxPower;
 } WLAN_IE_PW_CAP, *PWLAN_IE_PW_CAP;
 
 typedef struct _WLAN_IE_SUPP_CH {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                abyChannelTuple[2];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abyChannelTuple[2];
 } WLAN_IE_SUPP_CH, *PWLAN_IE_SUPP_CH;
 
 typedef struct _WLAN_IE_TPC_REQ {
-    BYTE                byElementID;
-    BYTE                len;
+    unsigned char byElementID;
+    unsigned char len;
 } WLAN_IE_TPC_REQ, *PWLAN_IE_TPC_REQ;
 
 typedef struct _WLAN_IE_TPC_REP {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                byTxPower;
-    BYTE                byLinkMargin;
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char byTxPower;
+    unsigned char byLinkMargin;
 } WLAN_IE_TPC_REP, *PWLAN_IE_TPC_REP;
 
 
 typedef struct _WLAN_IE_IBSS_DFS {
-    BYTE                byElementID;
-    BYTE                len;
-    BYTE                abyDFSOwner[6];
-    BYTE                byDFSRecovery;
-    BYTE                abyChannelMap[2];
+    unsigned char byElementID;
+    unsigned char len;
+    unsigned char abyDFSOwner[6];
+    unsigned char byDFSRecovery;
+    unsigned char abyChannelMap[2];
 } WLAN_IE_IBSS_DFS, *PWLAN_IE_IBSS_DFS;
 
 #pragma pack()
diff --git a/drivers/staging/vt6655/IEEE11h.c b/drivers/staging/vt6655/IEEE11h.c
index e6ca81b..35dd1aa 100644
--- a/drivers/staging/vt6655/IEEE11h.c
+++ b/drivers/staging/vt6655/IEEE11h.c
@@ -47,40 +47,40 @@
 
 typedef struct _WLAN_FRAME_ACTION {
     WLAN_80211HDR_A3    Header;
-    BYTE                byCategory;
-    BYTE                byAction;
-    BYTE                abyVars[1];
+    unsigned char byCategory;
+    unsigned char byAction;
+    unsigned char abyVars[1];
 } WLAN_FRAME_ACTION, *PWLAN_FRAME_ACTION;
 
 typedef struct _WLAN_FRAME_MSRREQ {
     WLAN_80211HDR_A3    Header;
-    BYTE                byCategory;
-    BYTE                byAction;
-    BYTE                byDialogToken;
+    unsigned char byCategory;
+    unsigned char byAction;
+    unsigned char byDialogToken;
     WLAN_IE_MEASURE_REQ sMSRReqEIDs[1];
 } WLAN_FRAME_MSRREQ, *PWLAN_FRAME_MSRREQ;
 
 typedef struct _WLAN_FRAME_MSRREP {
     WLAN_80211HDR_A3    Header;
-    BYTE                byCategory;
-    BYTE                byAction;
-    BYTE                byDialogToken;
+    unsigned char byCategory;
+    unsigned char byAction;
+    unsigned char byDialogToken;
     WLAN_IE_MEASURE_REP sMSRRepEIDs[1];
 } WLAN_FRAME_MSRREP, *PWLAN_FRAME_MSRREP;
 
 typedef struct _WLAN_FRAME_TPCREQ {
     WLAN_80211HDR_A3    Header;
-    BYTE                byCategory;
-    BYTE                byAction;
-    BYTE                byDialogToken;
+    unsigned char byCategory;
+    unsigned char byAction;
+    unsigned char byDialogToken;
     WLAN_IE_TPC_REQ     sTPCReqEIDs;
 } WLAN_FRAME_TPCREQ, *PWLAN_FRAME_TPCREQ;
 
 typedef struct _WLAN_FRAME_TPCREP {
     WLAN_80211HDR_A3    Header;
-    BYTE                byCategory;
-    BYTE                byAction;
-    BYTE                byDialogToken;
+    unsigned char byCategory;
+    unsigned char byAction;
+    unsigned char byDialogToken;
     WLAN_IE_TPC_REP     sTPCRepEIDs;
 } WLAN_FRAME_TPCREP, *PWLAN_FRAME_TPCREP;
 
@@ -118,7 +118,7 @@
 }
 
 
-static BOOL s_bRxTPCReq(PSMgmtObject pMgmt, PWLAN_FRAME_TPCREQ pTPCReq, BYTE byRate, BYTE byRSSI)
+static BOOL s_bRxTPCReq(PSMgmtObject pMgmt, PWLAN_FRAME_TPCREQ pTPCReq, unsigned char byRate, unsigned char byRSSI)
 {
     PWLAN_FRAME_TPCREP  pFrame;
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -235,7 +235,7 @@
                 return (s_bRxTPCReq(pMgmt,
                                     (PWLAN_FRAME_TPCREQ) pAction,
                                     ((PSRxMgmtPacket)pRxPacket)->byRxRate,
-                                    (BYTE) ((PSRxMgmtPacket)pRxPacket)->uRSSI));
+                                    (unsigned char) ((PSRxMgmtPacket)pRxPacket)->uRSSI));
                 break;
             case ACTION_TPCREP:
                 break;
diff --git a/drivers/staging/vt6655/aes_ccmp.c b/drivers/staging/vt6655/aes_ccmp.c
index be41ca8..7198f21 100644
--- a/drivers/staging/vt6655/aes_ccmp.c
+++ b/drivers/staging/vt6655/aes_ccmp.c
@@ -46,7 +46,7 @@
  * SBOX Table
  */
 
-BYTE sbox_table[256] =
+unsigned char sbox_table[256] =
 {
 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
@@ -66,7 +66,7 @@
 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
 };
 
-BYTE dot2_table[256] = {
+unsigned char dot2_table[256] = {
 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
 0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
@@ -85,7 +85,7 @@
 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5
 };
 
-BYTE dot3_table[256] = {
+unsigned char dot3_table[256] = {
 0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
 0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
@@ -110,7 +110,7 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-void xor_128(BYTE *a, BYTE *b, BYTE *out)
+void xor_128(unsigned char *a, unsigned char *b, unsigned char *out)
 {
 unsigned long *dwPtrA = (unsigned long *) a;
 unsigned long *dwPtrB = (unsigned long *) b;
@@ -123,7 +123,7 @@
 }
 
 
-void xor_32(BYTE *a, BYTE *b, BYTE *out)
+void xor_32(unsigned char *a, unsigned char *b, unsigned char *out)
 {
 unsigned long *dwPtrA = (unsigned long *) a;
 unsigned long *dwPtrB = (unsigned long *) b;
@@ -132,10 +132,10 @@
     (*dwPtrOut++) = (*dwPtrA++) ^ (*dwPtrB++);
 }
 
-void AddRoundKey(BYTE *key, int round)
+void AddRoundKey(unsigned char *key, int round)
 {
-BYTE sbox_key[4];
-BYTE rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
+unsigned char sbox_key[4];
+unsigned char rcon_table[10] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
 
     sbox_key[0] = sbox_table[key[13]];
     sbox_key[1] = sbox_table[key[14]];
@@ -150,7 +150,7 @@
     xor_32(&key[12], &key[8], &key[12]);
 }
 
-void SubBytes(BYTE *in, BYTE *out)
+void SubBytes(unsigned char *in, unsigned char *out)
 {
 int i;
 
@@ -160,7 +160,7 @@
     }
 }
 
-void ShiftRows(BYTE *in, BYTE *out)
+void ShiftRows(unsigned char *in, unsigned char *out)
 {
     out[0]  = in[0];
     out[1]  = in[5];
@@ -180,7 +180,7 @@
     out[15] = in[11];
 }
 
-void MixColumns(BYTE *in, BYTE *out)
+void MixColumns(unsigned char *in, unsigned char *out)
 {
 
     out[0] = dot2_table[in[0]] ^ dot3_table[in[1]] ^ in[2] ^ in[3];
@@ -190,13 +190,13 @@
 }
 
 
-void AESv128(BYTE *key, BYTE *data, BYTE *ciphertext)
+void AESv128(unsigned char *key, unsigned char *data, unsigned char *ciphertext)
 {
 int  i;
 int  round;
-BYTE TmpdataA[16];
-BYTE TmpdataB[16];
-BYTE abyRoundKey[16];
+unsigned char TmpdataA[16];
+unsigned char TmpdataB[16];
+unsigned char abyRoundKey[16];
 
     for(i=0; i<16; i++)
         abyRoundKey[i] = key[i];
@@ -245,15 +245,15 @@
  */
 BOOL AESbGenCCMP(unsigned char *pbyRxKey, unsigned char *pbyFrame, unsigned short wFrameSize)
 {
-BYTE            abyNonce[13];
-BYTE            MIC_IV[16];
-BYTE            MIC_HDR1[16];
-BYTE            MIC_HDR2[16];
-BYTE            abyMIC[16];
-BYTE            abyCTRPLD[16];
-BYTE            abyTmp[16];
-BYTE            abyPlainText[16];
-BYTE            abyLastCipher[16];
+unsigned char abyNonce[13];
+unsigned char MIC_IV[16];
+unsigned char MIC_HDR1[16];
+unsigned char MIC_HDR2[16];
+unsigned char abyMIC[16];
+unsigned char abyCTRPLD[16];
+unsigned char abyTmp[16];
+unsigned char abyPlainText[16];
+unsigned char abyLastCipher[16];
 
 PS802_11Header  pMACHeader = (PS802_11Header) pbyFrame;
 unsigned char *pbyIV;
@@ -261,7 +261,7 @@
 unsigned short wHLen = 22;
 unsigned short wPayloadSize = wFrameSize - 8 - 8 - 4 - WLAN_HDR_ADDR3_LEN;//8 is IV, 8 is MIC, 4 is CRC
 BOOL            bA4 = FALSE;
-BYTE            byTmp;
+unsigned char byTmp;
 unsigned short wCnt;
 int             ii,jj,kk;
 
@@ -288,15 +288,15 @@
     //MIC_IV
     MIC_IV[0] = 0x59;
     memcpy(&(MIC_IV[1]), &(abyNonce[0]), 13);
-    MIC_IV[14] = (BYTE)(wPayloadSize >> 8);
-    MIC_IV[15] = (BYTE)(wPayloadSize & 0xff);
+    MIC_IV[14] = (unsigned char)(wPayloadSize >> 8);
+    MIC_IV[15] = (unsigned char)(wPayloadSize & 0xff);
 
     //MIC_HDR1
-    MIC_HDR1[0] = (BYTE)(wHLen >> 8);
-    MIC_HDR1[1] = (BYTE)(wHLen & 0xff);
-    byTmp = (BYTE)(pMACHeader->wFrameCtl & 0xff);
+    MIC_HDR1[0] = (unsigned char)(wHLen >> 8);
+    MIC_HDR1[1] = (unsigned char)(wHLen & 0xff);
+    byTmp = (unsigned char)(pMACHeader->wFrameCtl & 0xff);
     MIC_HDR1[2] = byTmp & 0x8f;
-    byTmp = (BYTE)(pMACHeader->wFrameCtl >> 8);
+    byTmp = (unsigned char)(pMACHeader->wFrameCtl >> 8);
     byTmp &= 0x87;
     MIC_HDR1[3] = byTmp | 0x40;
     memcpy(&(MIC_HDR1[4]), pMACHeader->abyAddr1, ETH_ALEN);
@@ -304,7 +304,7 @@
 
     //MIC_HDR2
     memcpy(&(MIC_HDR2[0]), pMACHeader->abyAddr3, ETH_ALEN);
-    byTmp = (BYTE)(pMACHeader->wSeqCtl & 0xff);
+    byTmp = (unsigned char)(pMACHeader->wSeqCtl & 0xff);
     MIC_HDR2[6] = byTmp & 0x0f;
     MIC_HDR2[7] = 0;
     if ( bA4 ) {
@@ -337,8 +337,8 @@
 
     for(jj=wPayloadSize; jj>16; jj=jj-16) {
 
-        abyCTRPLD[14] = (BYTE) (wCnt >> 8);
-        abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+        abyCTRPLD[14] = (unsigned char) (wCnt >> 8);
+        abyCTRPLD[15] = (unsigned char) (wCnt & 0xff);
 
         AESv128(pbyRxKey,abyCTRPLD,abyTmp);
 
@@ -361,8 +361,8 @@
         abyLastCipher[ii] = 0x00;
     }
 
-    abyCTRPLD[14] = (BYTE) (wCnt >> 8);
-    abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+    abyCTRPLD[14] = (unsigned char) (wCnt >> 8);
+    abyCTRPLD[15] = (unsigned char) (wCnt & 0xff);
 
     AESv128(pbyRxKey,abyCTRPLD,abyTmp);
     for ( kk=0; kk<16; kk++ ) {
@@ -384,8 +384,8 @@
     //--------------------------------------------
 
     wCnt = 0;
-    abyCTRPLD[14] = (BYTE) (wCnt >> 8);
-    abyCTRPLD[15] = (BYTE) (wCnt & 0xff);
+    abyCTRPLD[14] = (unsigned char) (wCnt >> 8);
+    abyCTRPLD[15] = (unsigned char) (wCnt & 0xff);
     AESv128(pbyRxKey,abyCTRPLD,abyTmp);
     for ( kk=0; kk<8; kk++ ) {
         abyTmp[kk] = abyTmp[kk] ^ pbyPayload[kk];
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index a0dc3f3..b2f7327 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -79,7 +79,7 @@
 
 
 #define CB_VT3253_INIT_FOR_RFMD 446
-BYTE byVT3253InitTab_RFMD[CB_VT3253_INIT_FOR_RFMD][2] = {
+unsigned char byVT3253InitTab_RFMD[CB_VT3253_INIT_FOR_RFMD][2] = {
     {0x00, 0x30},
     {0x01, 0x00},
     {0x02, 0x00},
@@ -529,7 +529,7 @@
 };
 
 #define CB_VT3253B0_INIT_FOR_RFMD 256
-BYTE byVT3253B0_RFMD[CB_VT3253B0_INIT_FOR_RFMD][2] = {
+unsigned char byVT3253B0_RFMD[CB_VT3253B0_INIT_FOR_RFMD][2] = {
     {0x00, 0x31},
     {0x01, 0x00},
     {0x02, 0x00},
@@ -790,7 +790,7 @@
 
 #define CB_VT3253B0_AGC_FOR_RFMD2959 195
 // For RFMD2959
-BYTE byVT3253B0_AGC4_RFMD2959[CB_VT3253B0_AGC_FOR_RFMD2959][2] = {
+unsigned char byVT3253B0_AGC4_RFMD2959[CB_VT3253B0_AGC_FOR_RFMD2959][2] = {
     {0xF0, 0x00},
     {0xF1, 0x3E},
     {0xF0, 0x80},
@@ -990,7 +990,7 @@
 
 #define CB_VT3253B0_INIT_FOR_AIROHA2230 256
 // For AIROHA
-BYTE byVT3253B0_AIROHA2230[CB_VT3253B0_INIT_FOR_AIROHA2230][2] = {
+unsigned char byVT3253B0_AIROHA2230[CB_VT3253B0_INIT_FOR_AIROHA2230][2] = {
     {0x00, 0x31},
     {0x01, 0x00},
     {0x02, 0x00},
@@ -1254,7 +1254,7 @@
 
 #define CB_VT3253B0_INIT_FOR_UW2451 256
 //For UW2451
-BYTE byVT3253B0_UW2451[CB_VT3253B0_INIT_FOR_UW2451][2] = {
+unsigned char byVT3253B0_UW2451[CB_VT3253B0_INIT_FOR_UW2451][2] = {
     {0x00, 0x31},
     {0x01, 0x00},
     {0x02, 0x00},
@@ -1516,7 +1516,7 @@
 
 #define CB_VT3253B0_AGC 193
 // For AIROHA
-BYTE byVT3253B0_AGC[CB_VT3253B0_AGC][2] = {
+unsigned char byVT3253B0_AGC[CB_VT3253B0_AGC][2] = {
     {0xF0, 0x00},
     {0xF1, 0x00},
     {0xF0, 0x80},
@@ -1778,8 +1778,8 @@
  */
 unsigned int
 BBuGetFrameTime (
-    BYTE byPreambleType,
-    BYTE byPktType,
+    unsigned char byPreambleType,
+    unsigned char byPktType,
     unsigned int cbFrameLength,
     unsigned short wRate
     )
@@ -1848,7 +1848,7 @@
     PSDevice pDevice,
     unsigned int cbFrameLength,
     unsigned short wRate,
-    BYTE byPacketType,
+    unsigned char byPacketType,
     unsigned short *pwPhyLen,
     unsigned char *pbyPhySrv,
     unsigned char *pbyPhySgn
@@ -1858,7 +1858,7 @@
     unsigned int cbUsCount = 0;
     unsigned int cbTmp;
     BOOL bExtBit;
-    BYTE byPreambleType = pDevice->byPreambleType;
+    unsigned char byPreambleType = pDevice->byPreambleType;
     BOOL bCCK = pDevice->bCCK;
 
     cbBitCount = cbFrameLength * 8;
@@ -2015,10 +2015,10 @@
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL BBbReadEmbeded (unsigned long dwIoBase, BYTE byBBAddr, unsigned char *pbyData)
+BOOL BBbReadEmbeded (unsigned long dwIoBase, unsigned char byBBAddr, unsigned char *pbyData)
 {
     unsigned short ww;
-    BYTE    byValue;
+    unsigned char byValue;
 
     // BB reg offset
     VNSvOutPortB(dwIoBase + MAC_REG_BBREGADR, byBBAddr);
@@ -2058,10 +2058,10 @@
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL BBbWriteEmbeded (unsigned long dwIoBase, BYTE byBBAddr, BYTE byData)
+BOOL BBbWriteEmbeded (unsigned long dwIoBase, unsigned char byBBAddr, unsigned char byData)
 {
     unsigned short ww;
-    BYTE    byValue;
+    unsigned char byValue;
 
     // BB reg offset
     VNSvOutPortB(dwIoBase + MAC_REG_BBREGADR, byBBAddr);
@@ -2100,9 +2100,9 @@
  * Return Value: TRUE if all TestBits are set; FALSE otherwise.
  *
  */
-BOOL BBbIsRegBitsOn (unsigned long dwIoBase, BYTE byBBAddr, BYTE byTestBits)
+BOOL BBbIsRegBitsOn (unsigned long dwIoBase, unsigned char byBBAddr, unsigned char byTestBits)
 {
-    BYTE byOrgData;
+    unsigned char byOrgData;
 
     BBbReadEmbeded(dwIoBase, byBBAddr, &byOrgData);
     return (byOrgData & byTestBits) == byTestBits;
@@ -2123,9 +2123,9 @@
  * Return Value: TRUE if all TestBits are clear; FALSE otherwise.
  *
  */
-BOOL BBbIsRegBitsOff (unsigned long dwIoBase, BYTE byBBAddr, BYTE byTestBits)
+BOOL BBbIsRegBitsOff (unsigned long dwIoBase, unsigned char byBBAddr, unsigned char byTestBits)
 {
-    BYTE byOrgData;
+    unsigned char byOrgData;
 
     BBbReadEmbeded(dwIoBase, byBBAddr, &byOrgData);
     return (byOrgData & byTestBits) == 0;
@@ -2151,8 +2151,8 @@
     BOOL       bResult = TRUE;
     int        ii;
     unsigned long dwIoBase = pDevice->PortOffset;
-    BYTE       byRFType = pDevice->byRFType;
-    BYTE       byLocalID = pDevice->byLocalID;
+    unsigned char byRFType = pDevice->byRFType;
+    unsigned char byLocalID = pDevice->byLocalID;
 
     if (byRFType == RF_RFMD2959) {
         if (byLocalID <= REV_ID_VT3253_A1) {
@@ -2324,9 +2324,9 @@
 void BBvReadAllRegs (unsigned long dwIoBase, unsigned char *pbyBBRegs)
 {
     int  ii;
-    BYTE byBase = 1;
+    unsigned char byBase = 1;
     for (ii = 0; ii < BB_MAX_CONTEXT_SIZE; ii++) {
-        BBbReadEmbeded(dwIoBase, (BYTE)(ii*byBase), pbyBBRegs);
+        BBbReadEmbeded(dwIoBase, (unsigned char)(ii*byBase), pbyBBRegs);
         pbyBBRegs += byBase;
     }
 }
@@ -2348,7 +2348,7 @@
 
 void BBvLoopbackOn (PSDevice pDevice)
 {
-    BYTE      byData;
+    unsigned char byData;
     unsigned long dwIoBase = pDevice->PortOffset;
 
     //CR C9 = 0x00
@@ -2363,7 +2363,7 @@
     if (pDevice->uConnectionRate <= RATE_11M) { //CCK
         // Enable internal digital loopback: CR33 |= 0000 0001
         BBbReadEmbeded(dwIoBase, 0x21, &byData);//CR33
-        BBbWriteEmbeded(dwIoBase, 0x21, (BYTE)(byData | 0x01));//CR33
+        BBbWriteEmbeded(dwIoBase, 0x21, (unsigned char)(byData | 0x01));//CR33
         // CR154 = 0x00
         BBbWriteEmbeded(dwIoBase, 0x9A, 0);   //CR154
 
@@ -2372,7 +2372,7 @@
     else { //OFDM
         // Enable internal digital loopback:CR154 |= 0000 0001
         BBbReadEmbeded(dwIoBase, 0x9A, &byData);//CR154
-        BBbWriteEmbeded(dwIoBase, 0x9A, (BYTE)(byData | 0x01));//CR154
+        BBbWriteEmbeded(dwIoBase, 0x9A, (unsigned char)(byData | 0x01));//CR154
         // CR33 = 0x00
         BBbWriteEmbeded(dwIoBase, 0x21, 0);   //CR33
 
@@ -2384,7 +2384,7 @@
 
     // Disable TX_IQUN
     BBbReadEmbeded(pDevice->PortOffset, 0x09, &pDevice->byBBCR09);
-    BBbWriteEmbeded(pDevice->PortOffset, 0x09, (BYTE)(pDevice->byBBCR09 & 0xDE));
+    BBbWriteEmbeded(pDevice->PortOffset, 0x09, (unsigned char)(pDevice->byBBCR09 & 0xDE));
 }
 
 /*
@@ -2402,7 +2402,7 @@
  */
 void BBvLoopbackOff (PSDevice pDevice)
 {
-    BYTE      byData;
+    unsigned char byData;
     unsigned long dwIoBase = pDevice->PortOffset;
 
     BBbWriteEmbeded(dwIoBase, 0xC9, pDevice->byBBCRc9);//CR201
@@ -2413,14 +2413,14 @@
     if (pDevice->uConnectionRate <= RATE_11M) { // CCK
         // Set the CR33 Bit2 to disable internal Loopback.
         BBbReadEmbeded(dwIoBase, 0x21, &byData);//CR33
-        BBbWriteEmbeded(dwIoBase, 0x21, (BYTE)(byData & 0xFE));//CR33
+        BBbWriteEmbeded(dwIoBase, 0x21, (unsigned char)(byData & 0xFE));//CR33
     }
     else { // OFDM
         BBbReadEmbeded(dwIoBase, 0x9A, &byData);//CR154
-        BBbWriteEmbeded(dwIoBase, 0x9A, (BYTE)(byData & 0xFE));//CR154
+        BBbWriteEmbeded(dwIoBase, 0x9A, (unsigned char)(byData & 0xFE));//CR154
     }
     BBbReadEmbeded(dwIoBase, 0x0E, &byData);//CR14
-    BBbWriteEmbeded(dwIoBase, 0x0E, (BYTE)(byData | 0x80));//CR14
+    BBbWriteEmbeded(dwIoBase, 0x0E, (unsigned char)(byData | 0x80));//CR14
 
 }
 
@@ -2441,8 +2441,8 @@
 void
 BBvSetShortSlotTime (PSDevice pDevice)
 {
-    BYTE byBBRxConf=0;
-    BYTE byBBVGA=0;
+    unsigned char byBBRxConf=0;
+    unsigned char byBBVGA=0;
 
     BBbReadEmbeded(pDevice->PortOffset, 0x0A, &byBBRxConf);//CR10
 
@@ -2462,9 +2462,9 @@
 
 }
 
-void BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData)
+void BBvSetVGAGainOffset(PSDevice pDevice, unsigned char byData)
 {
-    BYTE byBBRxConf=0;
+    unsigned char byBBRxConf=0;
 
     BBbWriteEmbeded(pDevice->PortOffset, 0xE7, byData);
 
@@ -2518,7 +2518,7 @@
 void
 BBvPowerSaveModeON (unsigned long dwIoBase)
 {
-    BYTE byOrgData;
+    unsigned char byOrgData;
 
     BBbReadEmbeded(dwIoBase, 0x0D, &byOrgData);
     byOrgData |= BIT0;
@@ -2540,7 +2540,7 @@
 void
 BBvPowerSaveModeOFF (unsigned long dwIoBase)
 {
-    BYTE byOrgData;
+    unsigned char byOrgData;
 
     BBbReadEmbeded(dwIoBase, 0x0D, &byOrgData);
     byOrgData &= ~(BIT0);
@@ -2562,9 +2562,9 @@
  */
 
 void
-BBvSetTxAntennaMode (unsigned long dwIoBase, BYTE byAntennaMode)
+BBvSetTxAntennaMode (unsigned long dwIoBase, unsigned char byAntennaMode)
 {
-    BYTE byBBTxConf;
+    unsigned char byBBTxConf;
 
 #ifdef	PLICE_DEBUG
 	//printk("Enter BBvSetTxAntennaMode\n");
@@ -2604,9 +2604,9 @@
  */
 
 void
-BBvSetRxAntennaMode (unsigned long dwIoBase, BYTE byAntennaMode)
+BBvSetRxAntennaMode (unsigned long dwIoBase, unsigned char byAntennaMode)
 {
-    BYTE byBBRxConf;
+    unsigned char byBBRxConf;
 
     BBbReadEmbeded(dwIoBase, 0x0A, &byBBRxConf);//CR10
     if (byAntennaMode == ANT_DIVERSITY) {
@@ -2635,14 +2635,14 @@
  *
  */
 void
-BBvSetDeepSleep (unsigned long dwIoBase, BYTE byLocalID)
+BBvSetDeepSleep (unsigned long dwIoBase, unsigned char byLocalID)
 {
     BBbWriteEmbeded(dwIoBase, 0x0C, 0x17);//CR12
     BBbWriteEmbeded(dwIoBase, 0x0D, 0xB9);//CR13
 }
 
 void
-BBvExitDeepSleep (unsigned long dwIoBase, BYTE byLocalID)
+BBvExitDeepSleep (unsigned long dwIoBase, unsigned char byLocalID)
 {
     BBbWriteEmbeded(dwIoBase, 0x0C, 0x00);//CR12
     BBbWriteEmbeded(dwIoBase, 0x0D, 0x01);//CR13
@@ -2787,7 +2787,7 @@
  */
 
 void
-BBvAntennaDiversity (PSDevice pDevice, BYTE byRxRate, BYTE bySQ3)
+BBvAntennaDiversity (PSDevice pDevice, unsigned char byRxRate, unsigned char bySQ3)
 {
 
     if ((byRxRate >= MAX_RATE) || (pDevice->wAntDiversityMaxRate >= MAX_RATE)) {
diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h
index 0ce947a..cc30340 100644
--- a/drivers/staging/vt6655/baseband.h
+++ b/drivers/staging/vt6655/baseband.h
@@ -120,8 +120,8 @@
 
 unsigned int
 BBuGetFrameTime(
-    BYTE byPreambleType,
-    BYTE byPktType,
+    unsigned char byPreambleType,
+    unsigned char byPktType,
     unsigned int cbFrameLength,
     unsigned short wRate
     );
@@ -131,32 +131,32 @@
     PSDevice pDevice,
     unsigned int cbFrameLength,
     unsigned short wRate,
-    BYTE byPacketType,
+    unsigned char byPacketType,
     unsigned short *pwPhyLen,
     unsigned char *pbyPhySrv,
     unsigned char *pbyPhySgn
     );
 
-BOOL BBbReadEmbeded(unsigned long dwIoBase, BYTE byBBAddr, unsigned char *pbyData);
-BOOL BBbWriteEmbeded(unsigned long dwIoBase, BYTE byBBAddr, BYTE byData);
+BOOL BBbReadEmbeded(unsigned long dwIoBase, unsigned char byBBAddr, unsigned char *pbyData);
+BOOL BBbWriteEmbeded(unsigned long dwIoBase, unsigned char byBBAddr, unsigned char byData);
 
 void BBvReadAllRegs(unsigned long dwIoBase, unsigned char *pbyBBRegs);
 void BBvLoopbackOn(PSDevice pDevice);
 void BBvLoopbackOff(PSDevice pDevice);
 void BBvSetShortSlotTime(PSDevice pDevice);
-BOOL BBbIsRegBitsOn(unsigned long dwIoBase, BYTE byBBAddr, BYTE byTestBits);
-BOOL BBbIsRegBitsOff(unsigned long dwIoBase, BYTE byBBAddr, BYTE byTestBits);
-void BBvSetVGAGainOffset(PSDevice pDevice, BYTE byData);
+BOOL BBbIsRegBitsOn(unsigned long dwIoBase, unsigned char byBBAddr, unsigned char byTestBits);
+BOOL BBbIsRegBitsOff(unsigned long dwIoBase, unsigned char byBBAddr, unsigned char byTestBits);
+void BBvSetVGAGainOffset(PSDevice pDevice, unsigned char byData);
 
 // VT3253 Baseband
 BOOL BBbVT3253Init(PSDevice pDevice);
 void BBvSoftwareReset(unsigned long dwIoBase);
 void BBvPowerSaveModeON(unsigned long dwIoBase);
 void BBvPowerSaveModeOFF(unsigned long dwIoBase);
-void BBvSetTxAntennaMode(unsigned long dwIoBase, BYTE byAntennaMode);
-void BBvSetRxAntennaMode(unsigned long dwIoBase, BYTE byAntennaMode);
-void BBvSetDeepSleep(unsigned long dwIoBase, BYTE byLocalID);
-void BBvExitDeepSleep(unsigned long dwIoBase, BYTE byLocalID);
+void BBvSetTxAntennaMode(unsigned long dwIoBase, unsigned char byAntennaMode);
+void BBvSetRxAntennaMode(unsigned long dwIoBase, unsigned char byAntennaMode);
+void BBvSetDeepSleep(unsigned long dwIoBase, unsigned char byLocalID);
+void BBvExitDeepSleep(unsigned long dwIoBase, unsigned char byLocalID);
 
 // timer for antenna diversity
 
@@ -170,7 +170,7 @@
     void *hDeviceContext
     );
 
-void BBvAntennaDiversity(PSDevice pDevice, BYTE byRxRate, BYTE bySQ3);
+void BBvAntennaDiversity(PSDevice pDevice, unsigned char byRxRate, unsigned char bySQ3);
 void
 BBvClearAntDivSQ3Value (PSDevice pDevice);
 
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index 7ec088f..37a3f18 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -138,7 +138,7 @@
     PWLAN_IE_SSID   pSSID = NULL;
     PKnownBSS       pCurrBSS = NULL;
     PKnownBSS       pSelect = NULL;
-BYTE                 ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
+    unsigned char ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
     unsigned int ii = 0;
 
     if (pbyDesireBSSID != NULL) {
@@ -374,7 +374,7 @@
     QWORD qwTimestamp,
     unsigned short wBeaconInterval,
     unsigned short wCapInfo,
-    BYTE byCurrChannel,
+    unsigned char byCurrChannel,
     PWLAN_IE_SSID pSSID,
     PWLAN_IE_SUPP_RATES pSuppRates,
     PWLAN_IE_SUPP_RATES pExtSuppRates,
@@ -520,7 +520,7 @@
     if (pDevice->bUpdateBBVGA) {
         // Moniter if RSSI is too strong.
         pBSSList->byRSSIStatCnt = 0;
-        RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
+        RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
         pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
         for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
             pBSSList->ldBmAverage[ii] = 0;
@@ -589,7 +589,7 @@
     QWORD qwTimestamp,
     unsigned short wBeaconInterval,
     unsigned short wCapInfo,
-    BYTE byCurrChannel,
+    unsigned char byCurrChannel,
     BOOL bChannelHit,
     PWLAN_IE_SSID pSSID,
     PWLAN_IE_SUPP_RATES pSuppRates,
@@ -690,7 +690,7 @@
     }
 
     if (pRxPacket->uRSSI != 0) {
-        RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &ldBm);
+        RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &ldBm);
         // Moniter if RSSI is too strong.
         pBSSList->byRSSIStatCnt++;
         pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
@@ -870,7 +870,7 @@
 
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
-    BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+    unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     struct sk_buff  *skb;
 
 
@@ -1390,8 +1390,8 @@
 void
 BSSvUpdateNodeTxCounter(
     void *hDeviceContext,
-    BYTE        byTsr0,
-    BYTE        byTsr1,
+    unsigned char byTsr0,
+    unsigned char byTsr1,
     unsigned char *pbyBuffer,
     unsigned int uFIFOHeaderSize
     )
@@ -1399,12 +1399,12 @@
     PSDevice        pDevice = (PSDevice)hDeviceContext;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
     unsigned int uNodeIndex = 0;
-    BYTE            byTxRetry = (byTsr0 & TSR0_NCR);
+    unsigned char byTxRetry = (byTsr0 & TSR0_NCR);
     PSTxBufHead     pTxBufHead;
     PS802_11Header  pMACHeader;
     unsigned short wRate;
     unsigned short wFallBackRate = RATE_1M;
-    BYTE            byFallBack;
+    unsigned char byFallBack;
     unsigned int ii;
 //	unsigned int txRetryTemp;
 //PLICE_DEBUG->
@@ -1700,7 +1700,7 @@
 }
 else
 {
-   RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
+   RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
    if(-ldBm < 50)  {
    	RssiRatio = 4000;
      }
@@ -1734,7 +1734,7 @@
         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
         if (pBSSList != NULL) {
-            pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1);
+            pDevice->byBBPreEDRSSI = (unsigned char) (~(pBSSList->ldBmAverRange) + 1);
             //BBvUpdatePreEDThreshold(pDevice, FALSE);
         }
     }
diff --git a/drivers/staging/vt6655/bssdb.h b/drivers/staging/vt6655/bssdb.h
index 6baa83f..50a0171 100644
--- a/drivers/staging/vt6655/bssdb.h
+++ b/drivers/staging/vt6655/bssdb.h
@@ -91,7 +91,7 @@
 
 typedef struct tagSERPObject {
     BOOL    bERPExist;
-    BYTE    byERP;
+    unsigned char byERP;
 }ERPObject, *PERPObject;
 
 
@@ -105,19 +105,19 @@
 typedef struct tagKnownBSS {
     // BSS info
     BOOL            bActive;
-    BYTE            abyBSSID[WLAN_BSSID_LEN];
+    unsigned char abyBSSID[WLAN_BSSID_LEN];
     unsigned int	uChannel;
-    BYTE            abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    BYTE            abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
     unsigned int	uRSSI;
-    BYTE            bySQ;
+    unsigned char bySQ;
     unsigned short wBeaconInterval;
     unsigned short wCapInfo;
-    BYTE            abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-    BYTE            byRxRate;
+    unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+    unsigned char byRxRate;
 
 //    unsigned short wATIMWindow;
-    BYTE            byRSSIStatCnt;
+    unsigned char byRSSIStatCnt;
     long            ldBmMAX;
     long            ldBmAverage[RSSI_STAT_COUNT];
     long            ldBmAverRange;
@@ -126,32 +126,32 @@
 
     //++ WPA informations
     BOOL            bWPAValid;
-    BYTE            byGKType;
-    BYTE            abyPKType[4];
+    unsigned char byGKType;
+    unsigned char abyPKType[4];
     unsigned short wPKCount;
-    BYTE            abyAuthType[4];
+    unsigned char abyAuthType[4];
     unsigned short wAuthCount;
-    BYTE            byDefaultK_as_PK;
-    BYTE            byReplayIdx;
+    unsigned char byDefaultK_as_PK;
+    unsigned char byReplayIdx;
     //--
 
     //++ WPA2 informations
     BOOL            bWPA2Valid;
-    BYTE            byCSSGK;
+    unsigned char byCSSGK;
     unsigned short wCSSPKCount;
-    BYTE            abyCSSPK[4];
+    unsigned char abyCSSPK[4];
     unsigned short wAKMSSAuthCount;
-    BYTE            abyAKMSSAuthType[4];
+    unsigned char abyAKMSSAuthType[4];
 
     //++  wpactl
-    BYTE            byWPAIE[MAX_WPA_IE_LEN];
-    BYTE            byRSNIE[MAX_WPA_IE_LEN];
+    unsigned char byWPAIE[MAX_WPA_IE_LEN];
+    unsigned char byRSNIE[MAX_WPA_IE_LEN];
     unsigned short wWPALen;
     unsigned short wRSNLen;
 
     // Clear count
     unsigned int	uClearCount;
-//    BYTE            abyIEs[WLAN_BEACON_FR_MAXLEN];
+//    unsigned char abyIEs[WLAN_BEACON_FR_MAXLEN];
     unsigned int	uIELength;
     QWORD           qwBSSTimestamp;
     QWORD           qwLocalTSF;     // local TSF timer
@@ -161,7 +161,7 @@
 
     ERPObject       sERP;
     SRSNCapObject   sRSNCapObj;
-    BYTE            abyIEs[1024];   // don't move this field !!
+    unsigned char abyIEs[1024];   // don't move this field !!
 
 }__attribute__ ((__packed__))
 KnownBSS , *PKnownBSS;
@@ -182,9 +182,9 @@
 typedef struct tagKnownNodeDB {
     // STA info
     BOOL            bActive;
-    BYTE            abyMACAddr[WLAN_ADDR_LEN];
-    BYTE            abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
-    BYTE            abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
+    unsigned char abyMACAddr[WLAN_ADDR_LEN];
+    unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
+    unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
     unsigned short wTxDataRate;
     BOOL            bShortPreamble;
     BOOL            bERPExist;
@@ -193,8 +193,8 @@
     unsigned short wMaxBasicRate;     //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
     unsigned short wMaxSuppRate;      //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
     unsigned short wSuppRate;
-    BYTE            byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
-    BYTE            byTopCCKBasicRate; //Records the highest basic rate in CCK mode
+    unsigned char byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
+    unsigned char byTopCCKBasicRate; //Records the highest basic rate in CCK mode
 
     // For AP mode
     struct sk_buff_head sTxPSQueue;
@@ -204,21 +204,21 @@
     NODE_STATE      eNodeState;
     BOOL            bPSEnable;
     BOOL            bRxPSPoll;
-    BYTE            byAuthSequence;
+    unsigned char byAuthSequence;
     unsigned long ulLastRxJiffer;
-    BYTE            bySuppRate;
+    unsigned char bySuppRate;
     unsigned long dwFlags;
     unsigned short wEnQueueCnt;
 
     BOOL            bOnFly;
     unsigned long long       KeyRSC;
-    BYTE            byKeyIndex;
+    unsigned char byKeyIndex;
     unsigned long dwKeyIndex;
-    BYTE            byCipherSuite;
+    unsigned char byCipherSuite;
     unsigned long dwTSC47_16;
     unsigned short wTSC15_0;
     unsigned int	uWepKeyLength;
-    BYTE            abyWepKey[WLAN_WEPMAX_KEYLEN];
+    unsigned char abyWepKey[WLAN_WEPMAX_KEYLEN];
     //
     // Auto rate fallback vars
     BOOL            bIsInFallback;
@@ -270,7 +270,7 @@
     QWORD qwTimestamp,
     unsigned short wBeaconInterval,
     unsigned short wCapInfo,
-    BYTE byCurrChannel,
+    unsigned char byCurrChannel,
     PWLAN_IE_SSID pSSID,
     PWLAN_IE_SUPP_RATES pSuppRates,
     PWLAN_IE_SUPP_RATES pExtSuppRates,
@@ -291,7 +291,7 @@
     QWORD qwTimestamp,
     unsigned short wBeaconInterval,
     unsigned short wCapInfo,
-    BYTE byCurrChannel,
+    unsigned char byCurrChannel,
     BOOL bChannelHit,
     PWLAN_IE_SSID pSSID,
     PWLAN_IE_SUPP_RATES pSuppRates,
@@ -339,8 +339,8 @@
 void
 BSSvUpdateNodeTxCounter(
     void *hDeviceContext,
-    BYTE        byTsr0,
-    BYTE        byTsr1,
+    unsigned char byTsr0,
+    unsigned char byTsr1,
     unsigned char *pbyBuffer,
     unsigned int uFIFOHeaderSize
     );
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index c5da82a..c9f0d7a 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -80,13 +80,13 @@
 #define WAIT_BEACON_TX_DOWN_TMO         3    // Times
 
                                                               //1M,   2M,   5M,  11M,  18M,  24M,  36M,  54M
-static BYTE abyDefaultSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
+static unsigned char abyDefaultSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
                                                                     //6M,   9M,  12M,  48M
-static BYTE abyDefaultExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
+static unsigned char abyDefaultExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
                                                               //6M,   9M,  12M,  18M,  24M,  36M,  48M,  54M
-static BYTE abyDefaultSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
+static unsigned char abyDefaultSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
                                                               //1M,   2M,   5M,  11M,
-static BYTE abyDefaultSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
+static unsigned char abyDefaultSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
 
 
 /*---------------------  Static Variables  --------------------------*/
@@ -101,7 +101,7 @@
 static
 void
 s_vCaculateOFDMRParameter(
-    BYTE byRate,
+    unsigned char byRate,
     CARD_PHY_TYPE ePHYType,
     unsigned char *pbyTxRate,
     unsigned char *pbyRsvTime
@@ -127,7 +127,7 @@
 static
 void
 s_vCaculateOFDMRParameter (
-    BYTE byRate,
+    unsigned char byRate,
     CARD_PHY_TYPE ePHYType,
     unsigned char *pbyTxRate,
     unsigned char *pbyRsvTime
@@ -243,9 +243,9 @@
 void
 s_vSetRSPINF (PSDevice pDevice, CARD_PHY_TYPE ePHYType, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
 {
-    BYTE  byServ = 0, bySignal = 0; // For CCK
+    unsigned char byServ = 0, bySignal = 0; // For CCK
     unsigned short wLen = 0;
-    BYTE  byTxRate = 0, byRsvTime = 0;    // For OFDM
+    unsigned char byTxRate = 0, byRsvTime = 0;    // For OFDM
 
     //Set to Page1
     MACvSelectPage1(pDevice->PortOffset);
@@ -437,14 +437,14 @@
  * Return Value: None.
  *
  */
-BOOL CARDbSetPhyParameter (void *pDeviceHandler, CARD_PHY_TYPE ePHYType, unsigned short wCapInfo, BYTE byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
+BOOL CARDbSetPhyParameter (void *pDeviceHandler, CARD_PHY_TYPE ePHYType, unsigned short wCapInfo, unsigned char byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
-    BYTE        byCWMaxMin = 0;
-    BYTE        bySlot = 0;
-    BYTE        bySIFS = 0;
-    BYTE        byDIFS = 0;
-    BYTE        byData;
+    unsigned char byCWMaxMin = 0;
+    unsigned char bySlot = 0;
+    unsigned char bySIFS = 0;
+    unsigned char byDIFS = 0;
+    unsigned char byData;
 //    PWLAN_IE_SUPP_RATES pRates = NULL;
     PWLAN_IE_SUPP_RATES pSupportRates = (PWLAN_IE_SUPP_RATES) pvSupportRateIEs;
     PWLAN_IE_SUPP_RATES pExtSupportRates = (PWLAN_IE_SUPP_RATES) pvExtSupportRateIEs;
@@ -624,7 +624,7 @@
  * Return Value: none
  *
  */
-BOOL CARDbUpdateTSF (void *pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF)
+BOOL CARDbUpdateTSF (void *pDeviceHandler, unsigned char byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF)
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
     QWORD       qwTSFOffset;
@@ -1269,9 +1269,9 @@
 BOOL
 CARDbChannelSwitch (
     void *pDeviceHandler,
-    BYTE             byMode,
-    BYTE             byNewChannel,
-    BYTE             byCount
+    unsigned char byMode,
+    unsigned char byNewChannel,
+    unsigned char byCount
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
@@ -1313,8 +1313,8 @@
 CARDbSetQuiet (
     void *pDeviceHandler,
     BOOL             bResetQuiet,
-    BYTE             byQuietCount,
-    BYTE             byQuietPeriod,
+    unsigned char byQuietCount,
+    unsigned char byQuietPeriod,
     unsigned short wQuietDuration,
     unsigned short wQuietOffset
     )
@@ -1468,7 +1468,7 @@
 void
 CARDvSetPowerConstraint (
     void *pDeviceHandler,
-    BYTE             byChannel,
+    unsigned char byChannel,
     char byPower
     )
 {
@@ -1508,7 +1508,7 @@
     )
 {
     PSDevice    pDevice = (PSDevice) pDeviceHandler;
-    BYTE        byDec = 0;
+    unsigned char byDec = 0;
 
     *pbyMaxPower = pDevice->abyOFDMDefaultPwr[pDevice->byCurrentCh];
     byDec = pDevice->abyOFDMPwrTbl[pDevice->byCurrentCh];
@@ -1730,9 +1730,9 @@
 void CARDvSetRSPINF (void *pDeviceHandler, CARD_PHY_TYPE ePHYType)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
-    BYTE  byServ = 0x00, bySignal = 0x00; //For CCK
+    unsigned char byServ = 0x00, bySignal = 0x00; //For CCK
     unsigned short wLen = 0x0000;
-    BYTE  byTxRate, byRsvTime;             //For OFDM
+    unsigned char byTxRate, byRsvTime;             //For OFDM
 
     //Set to Page1
     MACvSelectPage1(pDevice->PortOffset);
@@ -1857,7 +1857,7 @@
     //Set SIFS, DIFS, EIFS, SlotTime, CwMin
     PSDevice pDevice = (PSDevice) pDeviceHandler;
 
-    BYTE byMaxMin = 0;
+    unsigned char byMaxMin = 0;
     if (pDevice->byPacketType==PK_TYPE_11A) {//0000 0000 0000 0000,11a
         pDevice->uSlot = C_SLOT_SHORT;
         pDevice->uSIFS = C_SIFS_A;
@@ -1894,23 +1894,23 @@
     pDevice->uEIFS = C_EIFS;
     if (pDevice->byRFType == RF_RFMD2959) {
         // bcs TX_PE will reserve 3 us
-        VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, (BYTE)(pDevice->uSIFS - 3));
-        VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, (BYTE)(pDevice->uDIFS - 3));
+        VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, (unsigned char)(pDevice->uSIFS - 3));
+        VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, (unsigned char)(pDevice->uDIFS - 3));
     } else {
-        VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, (BYTE)pDevice->uSIFS);
-        VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, (BYTE)pDevice->uDIFS);
+        VNSvOutPortB(pDevice->PortOffset + MAC_REG_SIFS, (unsigned char)pDevice->uSIFS);
+        VNSvOutPortB(pDevice->PortOffset + MAC_REG_DIFS, (unsigned char)pDevice->uDIFS);
     }
-    VNSvOutPortB(pDevice->PortOffset + MAC_REG_EIFS, (BYTE)pDevice->uEIFS);
-    VNSvOutPortB(pDevice->PortOffset + MAC_REG_SLOT, (BYTE)pDevice->uSlot);
+    VNSvOutPortB(pDevice->PortOffset + MAC_REG_EIFS, (unsigned char)pDevice->uEIFS);
+    VNSvOutPortB(pDevice->PortOffset + MAC_REG_SLOT, (unsigned char)pDevice->uSlot);
     byMaxMin |= 0xA0;//1010 1111,C_CWMAX = 1023
-    VNSvOutPortB(pDevice->PortOffset + MAC_REG_CWMAXMIN0, (BYTE)byMaxMin);
+    VNSvOutPortB(pDevice->PortOffset + MAC_REG_CWMAXMIN0, (unsigned char)byMaxMin);
 }
 
 void CARDvUpdateBasicTopRate (void *pDeviceHandler)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
-    BYTE byTopOFDM = RATE_24M, byTopCCK = RATE_1M;
-    BYTE ii;
+    unsigned char byTopOFDM = RATE_24M, byTopCCK = RATE_1M;
+    unsigned char ii;
 
      //Determines the highest basic rate.
      for (ii = RATE_54M; ii >= RATE_6M; ii --) {
@@ -1971,12 +1971,12 @@
     return FALSE;
 }
 
-BYTE CARDbyGetPktType (void *pDeviceHandler)
+unsigned char CARDbyGetPktType (void *pDeviceHandler)
 {
     PSDevice pDevice = (PSDevice) pDeviceHandler;
 
     if (pDevice->byBBType == BB_TYPE_11A || pDevice->byBBType == BB_TYPE_11B) {
-        return (BYTE)pDevice->byBBType;
+        return (unsigned char)pDevice->byBBType;
     }
     else if (CARDbIsOFDMinBasicRate((void *)pDevice)) {
         return PK_TYPE_11GA;
@@ -2055,7 +2055,7 @@
  * Return Value: TSF Offset value
  *
  */
-QWORD CARDqGetTSFOffset (BYTE byRxRate, QWORD qwTSF1, QWORD qwTSF2)
+QWORD CARDqGetTSFOffset (unsigned char byRxRate, QWORD qwTSF1, QWORD qwTSF2)
 {
     QWORD   qwTSFOffset;
     unsigned short wRxBcnTSFOffst= 0;;
@@ -2095,7 +2095,7 @@
 BOOL CARDbGetCurrentTSF (unsigned long dwIoBase, PQWORD pqwCurrTSF)
 {
     unsigned short ww;
-    BYTE    byData;
+    unsigned char byData;
 
     MACvRegBitsOn(dwIoBase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD);
     for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
diff --git a/drivers/staging/vt6655/card.h b/drivers/staging/vt6655/card.h
index fbc1f07..4c5a085 100644
--- a/drivers/staging/vt6655/card.h
+++ b/drivers/staging/vt6655/card.h
@@ -97,9 +97,9 @@
 void CARDvUpdateNextTBTT(unsigned long dwIoBase, QWORD qwTSF, unsigned short wBeaconInterval);
 BOOL CARDbGetCurrentTSF(unsigned long dwIoBase, PQWORD pqwCurrTSF);
 QWORD CARDqGetNextTBTT(QWORD qwTSF, unsigned short wBeaconInterval);
-QWORD CARDqGetTSFOffset(BYTE byRxRate, QWORD qwTSF1, QWORD qwTSF2);
+QWORD CARDqGetTSFOffset(unsigned char byRxRate, QWORD qwTSF1, QWORD qwTSF2);
 BOOL CARDbSetTxPower(void *pDeviceHandler, unsigned long ulTxPower);
-BYTE CARDbyGetPktType(void *pDeviceHandler);
+unsigned char CARDbyGetPktType(void *pDeviceHandler);
 void CARDvSafeResetTx(void *pDeviceHandler);
 void CARDvSafeResetRx(void *pDeviceHandler);
 
@@ -109,8 +109,8 @@
 //BOOL CARDbSendPacket(void *pDeviceHandler, void *pPacket, CARD_PKT_TYPE ePktType, unsigned int uLength);
 BOOL CARDbIsShortPreamble(void *pDeviceHandler);
 BOOL CARDbIsShorSlotTime(void *pDeviceHandler);
-BOOL CARDbSetPhyParameter(void *pDeviceHandler, CARD_PHY_TYPE ePHYType, unsigned short wCapInfo, BYTE byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs);
-BOOL CARDbUpdateTSF(void *pDeviceHandler, BYTE byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF);
+BOOL CARDbSetPhyParameter(void *pDeviceHandler, CARD_PHY_TYPE ePHYType, unsigned short wCapInfo, unsigned char byERPField, void *pvSupportRateIEs, void *pvExtSupportRateIEs);
+BOOL CARDbUpdateTSF(void *pDeviceHandler, unsigned char byRxRate, QWORD qwBSSTimestamp, QWORD qwLocalTSF);
 BOOL CARDbStopTxPacket(void *pDeviceHandler, CARD_PKT_TYPE ePktType);
 BOOL CARDbStartTxPacket(void *pDeviceHandler, CARD_PKT_TYPE ePktType);
 BOOL CARDbSetBeaconPeriod(void *pDeviceHandler, unsigned short wBeaconInterval);
@@ -152,17 +152,17 @@
 BOOL
 CARDbChannelSwitch (
     void *pDeviceHandler,
-    BYTE             byMode,
-    BYTE             byNewChannel,
-    BYTE             byCount
+    unsigned char byMode,
+    unsigned char byNewChannel,
+    unsigned char byCount
     );
 
 BOOL
 CARDbSetQuiet (
     void *pDeviceHandler,
     BOOL             bResetQuiet,
-    BYTE             byQuietCount,
-    BYTE             byQuietPeriod,
+    unsigned char byQuietCount,
+    unsigned char byQuietPeriod,
     unsigned short wQuietDuration,
     unsigned short wQuietOffset
     );
@@ -175,7 +175,7 @@
 void
 CARDvSetPowerConstraint (
     void *pDeviceHandler,
-    BYTE             byChannel,
+    unsigned char byChannel,
     char byPower
     );
 
diff --git a/drivers/staging/vt6655/channel.c b/drivers/staging/vt6655/channel.c
index 49b4019..15aab95 100644
--- a/drivers/staging/vt6655/channel.c
+++ b/drivers/staging/vt6655/channel.c
@@ -101,10 +101,10 @@
  ************************************************************************/
 static struct
 {
-	BYTE byChannelCountryCode;             /* The country code         */
+	unsigned char byChannelCountryCode;             /* The country code         */
 	char chCountryCode[2];
-	BYTE bChannelIdxList[CB_MAX_CHANNEL];  /* Available channels Index */
-	BYTE byPower[CB_MAX_CHANNEL];
+	unsigned char bChannelIdxList[CB_MAX_CHANNEL];  /* Available channels Index */
+	unsigned char byPower[CB_MAX_CHANNEL];
 } ChannelRuleTab[] =
 {
 /************************************************************************
@@ -495,7 +495,7 @@
 	}
 }
 
-BYTE get_channel_mapping(void *pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType)
+unsigned char get_channel_mapping(void *pDeviceHandler, unsigned char byChannelNumber, CARD_PHY_TYPE ePhyType)
 {
 	unsigned int ii;
 
@@ -504,13 +504,13 @@
 
 	for(ii = (CB_MAX_CHANNEL_24G + 1); ii <= CB_MAX_CHANNEL; ) {
 		if (sChannelTbl[ii].byChannelNumber == byChannelNumber)
-			return ((BYTE) ii);
+			return ((unsigned char) ii);
 		ii++;
 	}
 	return 0;
 }
 
-BYTE get_channel_number(void *pDeviceHandler, BYTE byChannelIndex)
+unsigned char get_channel_number(void *pDeviceHandler, unsigned char byChannelIndex)
 {
 	//PSDevice    pDevice = (PSDevice) pDeviceHandler;
 	return(sChannelTbl[byChannelIndex].byChannelNumber);
@@ -554,20 +554,20 @@
 
 	if ( pDevice->byRFType == RF_AIROHA7230 )
 	{
-		RFbAL7230SelectChannelPostProcess(pDevice->PortOffset, pDevice->byCurrentCh, (BYTE)uConnectionChannel);
+		RFbAL7230SelectChannelPostProcess(pDevice->PortOffset, pDevice->byCurrentCh, (unsigned char)uConnectionChannel);
 	}
 	//}} RobertYu
 
 
-	pDevice->byCurrentCh = (BYTE)uConnectionChannel;
-	bResult &= RFbSelectChannel(pDevice->PortOffset, pDevice->byRFType, (BYTE)uConnectionChannel);
+	pDevice->byCurrentCh = (unsigned char)uConnectionChannel;
+	bResult &= RFbSelectChannel(pDevice->PortOffset, pDevice->byRFType, (unsigned char)uConnectionChannel);
 
 	// Init Synthesizer Table
 	if (pDevice->bEnablePSMode == TRUE)
 		RFvWriteWakeProgSyn(pDevice->PortOffset, pDevice->byRFType, uConnectionChannel);
 
 
-	//DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CARDbSetMediaChannel: %d\n", (BYTE)uConnectionChannel);
+	//DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CARDbSetMediaChannel: %d\n", (unsigned char)uConnectionChannel);
 	BBvSoftwareReset(pDevice->PortOffset);
 
 	if (pDevice->byLocalID > REV_ID_VT3253_B1) {
@@ -609,7 +609,7 @@
 	unsigned int uu = 0;
 	unsigned int step = 0;
 	unsigned int uNumOfCountryInfo = 0;
-	BYTE byCh = 0;
+	unsigned char byCh = 0;
 	PWLAN_IE_COUNTRY pIE_Country = (PWLAN_IE_COUNTRY) pIE;
 
 
@@ -635,7 +635,7 @@
 
 	for(ii = 0 ; ii < uNumOfCountryInfo ; ii++) {
 		for(uu = 0 ; uu < pIE_Country->abyCountryInfo[ii*3+1] ; uu++) {
-			byCh = get_channel_mapping(pDevice, (BYTE)(pIE_Country->abyCountryInfo[ii*3]+step*uu), ePHYType);
+			byCh = get_channel_mapping(pDevice, (unsigned char)(pIE_Country->abyCountryInfo[ii*3]+step*uu), ePHYType);
 			sChannelTbl[byCh].bValid = TRUE;
 			pDevice->abyRegPwr[byCh] = pIE_Country->abyCountryInfo[ii*3+2];
 		}
@@ -652,14 +652,14 @@
  *
  */
 
-BYTE set_support_channels(void *pDeviceHandler, unsigned char *pbyIEs)
+unsigned char set_support_channels(void *pDeviceHandler, unsigned char *pbyIEs)
 {
 	PSDevice pDevice = (PSDevice) pDeviceHandler;
 	unsigned int ii;
-	BYTE byCount;
+	unsigned char byCount;
 	PWLAN_IE_SUPP_CH pIE = (PWLAN_IE_SUPP_CH) pbyIEs;
 	unsigned char *pbyChTupple;
-	BYTE byLen = 0;
+	unsigned char byLen = 0;
 
 
 	pIE->byElementID = WLAN_EID_SUPP_CH;
@@ -758,7 +758,7 @@
 }
 
 void set_channel_map_info(void *pDeviceHandler, unsigned int uChannelIndex,
-		BYTE byMap)
+		unsigned char byMap)
 {
 
 	if (uChannelIndex > CB_MAX_CHANNEL) {
@@ -776,22 +776,22 @@
 	}
 }
 
-BYTE auto_channel_select(void *pDeviceHandler, CARD_PHY_TYPE ePHYType)
+unsigned char auto_channel_select(void *pDeviceHandler, CARD_PHY_TYPE ePHYType)
 {
 	unsigned int ii = 0;
-	BYTE byOptionChannel = 0;
+	unsigned char byOptionChannel = 0;
 	int aiWeight[CB_MAX_CHANNEL_24G+1] = {-1000,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 
 	if (ePHYType == PHY_TYPE_11A) {
 		for(ii = CB_MAX_CHANNEL_24G + 1 ; ii <= CB_MAX_CHANNEL ; ii++) {
 			if (sChannelTbl[ii].bValid == TRUE) {
 				if (byOptionChannel == 0) {
-					byOptionChannel = (BYTE) ii;
+					byOptionChannel = (unsigned char) ii;
 				}
 				if (sChannelTbl[ii].byMAP == 0) {
-					return ((BYTE) ii);
+					return ((unsigned char) ii);
 				} else if ( !(sChannelTbl[ii].byMAP & 0x08)) {
-					byOptionChannel = (BYTE) ii;
+					byOptionChannel = (unsigned char) ii;
 				}
 			}
 		}
@@ -827,7 +827,7 @@
 		for(ii = 1 ; ii <= CB_MAX_CHANNEL_24G ; ii++) {
 			if ((sChannelTbl[ii].bValid == TRUE) &&
 					(aiWeight[ii] > aiWeight[byOptionChannel])) {
-				byOptionChannel = (BYTE) ii;
+				byOptionChannel = (unsigned char) ii;
 			}
 		}
 	}
diff --git a/drivers/staging/vt6655/channel.h b/drivers/staging/vt6655/channel.h
index ff338f6..0c82b44 100644
--- a/drivers/staging/vt6655/channel.h
+++ b/drivers/staging/vt6655/channel.h
@@ -29,10 +29,10 @@
 /*---------------------  Export Classes  ----------------------------*/
 
 typedef struct tagSChannelTblElement {
-    BYTE    byChannelNumber;
+    unsigned char byChannelNumber;
     unsigned int uFrequency;
     BOOL    bValid;
-    BYTE    byMAP;
+    unsigned char byMAP;
 }SChannelTblElement, *PSChannelTblElement;
 
 
@@ -40,19 +40,19 @@
 
 BOOL is_channel_valid(unsigned int CountryCode);
 void init_channel_table(void *pDeviceHandler);
-BYTE get_channel_mapping(void *pDeviceHandler, BYTE byChannelNumber, CARD_PHY_TYPE ePhyType);
+unsigned char get_channel_mapping(void *pDeviceHandler, unsigned char byChannelNumber, CARD_PHY_TYPE ePhyType);
 BOOL channel_get_list(unsigned int uCountryCodeIdx, unsigned char *pbyChannelTable);
-BYTE get_channel_number(void *pDeviceHandler, BYTE byChannelIndex);
+unsigned char get_channel_number(void *pDeviceHandler, unsigned char byChannelIndex);
 BOOL set_channel(void *pDeviceHandler, unsigned int uConnectionChannel);
 void set_country_info(void *pDeviceHandler, CARD_PHY_TYPE ePHYType, void *pIE);
-BYTE set_support_channels(void *pDeviceHandler, unsigned char *pbyIEs);
+unsigned char set_support_channels(void *pDeviceHandler, unsigned char *pbyIEs);
 void set_country_IE(void *pDeviceHandler, void *pIE);
 BOOL get_channel_map_info(void *pDeviceHandler, unsigned int uChannelIndex,
 		unsigned char *pbyChannelNumber, unsigned char *pbyMap);
 void set_channel_map_info(void *pDeviceHandler, unsigned int uChannelIndex,
-		BYTE byMap);
+		unsigned char byMap);
 void clear_channel_map_info(void *pDeviceHandler);
-BYTE auto_channel_select(void *pDeviceHandler, CARD_PHY_TYPE ePHYType);
+unsigned char auto_channel_select(void *pDeviceHandler, CARD_PHY_TYPE ePHYType);
 
 
 #endif /* _CHANNEL_H_ */
diff --git a/drivers/staging/vt6655/datarate.c b/drivers/staging/vt6655/datarate.c
index 23591a0..dea9599 100644
--- a/drivers/staging/vt6655/datarate.c
+++ b/drivers/staging/vt6655/datarate.c
@@ -55,7 +55,7 @@
 /*---------------------  Static Variables  --------------------------*/
 //static int          msglevel                =MSG_LEVEL_DEBUG;
 static int          msglevel                =MSG_LEVEL_INFO;
-const BYTE acbyIERate[MAX_RATE] =
+const unsigned char acbyIERate[MAX_RATE] =
 {0x02, 0x04, 0x0B, 0x16, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
 
 #define AUTORATE_TXOK_CNT       0x0400
@@ -75,7 +75,7 @@
     PKnownNodeDB psNodeDBTable
     )
 {
-    BYTE            ii;
+    unsigned char ii;
 
     // clear statistic counter for auto_rate
     for(ii=0;ii<=MAX_RATE;ii++) {
@@ -97,19 +97,19 @@
  *
  * Parameters:
  *  In:
- *      BYTE    - Rate value in SuppRates IE or ExtSuppRates IE
+ *      unsigned char - Rate value in SuppRates IE or ExtSuppRates IE
  *  Out:
  *      none
  *
  * Return Value: RateIdx
  *
 -*/
-BYTE
+unsigned char
 DATARATEbyGetRateIdx (
-    BYTE byRate
+    unsigned char byRate
     )
 {
-    BYTE    ii;
+    unsigned char ii;
 
     //Erase basicRate flag.
     byRate = byRate & 0x7F;//0111 1111
@@ -151,7 +151,7 @@
  *
  * Parameters:
  *  In:
- *      BYTE    - Rate value in SuppRates IE or ExtSuppRates IE
+ *      unsigned char - Rate value in SuppRates IE or ExtSuppRates IE
  *  Out:
  *      none
  *
@@ -160,7 +160,7 @@
 -*/
 unsigned short
 wGetRateIdx(
-    BYTE byRate
+    unsigned char byRate
     )
 {
     unsigned short ii;
@@ -209,8 +209,8 @@
 {
 PSDevice  pDevice = (PSDevice) pDeviceHandler;
 unsigned int ii;
-BYTE  byHighSuppRate = 0;
-BYTE  byRate = 0;
+unsigned char byHighSuppRate = 0;
+unsigned char byRate = 0;
 unsigned short wOldBasicRate = pDevice->wBasicRate;
 unsigned int uRateLen;
 
@@ -231,14 +231,14 @@
     }
 
     for (ii = 0; ii < uRateLen; ii++) {
-    	byRate = (BYTE)(pItemRates->abyRates[ii]);
+    	byRate = (unsigned char)(pItemRates->abyRates[ii]);
         if (WLAN_MGMT_IS_BASICRATE(byRate) &&
             (bUpdateBasicRate == TRUE))  {
             // Add to basic rate set, update pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
             CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", wGetRateIdx(byRate));
         }
-        byRate = (BYTE)(pItemRates->abyRates[ii]&0x7F);
+        byRate = (unsigned char)(pItemRates->abyRates[ii]&0x7F);
         if (byHighSuppRate == 0)
             byHighSuppRate = byRate;
         if (byRate > byHighSuppRate)
@@ -254,14 +254,14 @@
             uExtRateLen = WLAN_RATES_MAXLEN;
 
         for (ii = 0; ii < uExtRateLen ; ii++) {
-            byRate = (BYTE)(pItemExtRates->abyRates[ii]);
+            byRate = (unsigned char)(pItemExtRates->abyRates[ii]);
             // select highest basic rate
             if (WLAN_MGMT_IS_BASICRATE(pItemExtRates->abyRates[ii])) {
             	// Add to basic rate set, update pDevice->byTopCCKBasicRate and pDevice->byTopOFDMBasicRate
                 CARDbAddBasicRate((void *)pDevice, wGetRateIdx(byRate));
                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ParseMaxRate AddBasicRate: %d\n", wGetRateIdx(byRate));
             }
-            byRate = (BYTE)(pItemExtRates->abyRates[ii]&0x7F);
+            byRate = (unsigned char)(pItemExtRates->abyRates[ii]&0x7F);
             if (byHighSuppRate == 0)
                 byHighSuppRate = byRate;
             if (byRate > byHighSuppRate)
@@ -409,7 +409,7 @@
  * Return Value: None
  *
 -*/
-BYTE
+unsigned char
 RATEuSetIE (
     PWLAN_IE_SUPP_RATES pSrcRates,
     PWLAN_IE_SUPP_RATES pDstRates,
@@ -432,6 +432,6 @@
             }
         }
     }
-    return (BYTE)uRateCnt;
+    return (unsigned char)uRateCnt;
 }
 
diff --git a/drivers/staging/vt6655/datarate.h b/drivers/staging/vt6655/datarate.h
index fba250c..307e441 100644
--- a/drivers/staging/vt6655/datarate.h
+++ b/drivers/staging/vt6655/datarate.h
@@ -73,7 +73,7 @@
     PKnownNodeDB psNodeDBTable
     );
 
-BYTE
+unsigned char
 RATEuSetIE(
     PWLAN_IE_SUPP_RATES pSrcRates,
     PWLAN_IE_SUPP_RATES pDstRates,
@@ -82,13 +82,13 @@
 
 unsigned short
 wGetRateIdx(
-    BYTE byRate
+    unsigned char byRate
     );
 
 
-BYTE
+unsigned char
 DATARATEbyGetRateIdx(
-    BYTE byRate
+    unsigned char byRate
     );
 
 
diff --git a/drivers/staging/vt6655/desc.h b/drivers/staging/vt6655/desc.h
index d1fcf46..138897a 100644
--- a/drivers/staging/vt6655/desc.h
+++ b/drivers/staging/vt6655/desc.h
@@ -304,8 +304,8 @@
 
 /*
 typedef struct tagTDES0 {
-    volatile    BYTE    byTSR0;
-    volatile    BYTE    byTSR1;
+    volatile    unsigned char byTSR0;
+    volatile    unsigned char byTSR1;
     volatile    unsigned short wOwner_Txtime;
 //    volatile    unsigned short f15Txtime : 15;
 //    volatile    unsigned short f1Owner:1;
@@ -314,8 +314,8 @@
 */
 
 typedef struct tagTDES0 {
-    volatile    BYTE    byTSR0;
-    volatile    BYTE    byTSR1;
+    volatile    unsigned char byTSR0;
+    volatile    unsigned char byTSR1;
 	union {
 		volatile u16    f15Txtime;
 		struct {
@@ -330,8 +330,8 @@
 #else
 
 typedef struct tagTDES0 {
-    volatile    BYTE    byTSR0;
-    volatile    BYTE    byTSR1;
+    volatile    unsigned char byTSR0;
+    volatile    unsigned char byTSR1;
     volatile    unsigned short f15Txtime : 15;
     volatile    unsigned short f1Owner:1;
 } __attribute__ ((__packed__))
@@ -342,8 +342,8 @@
 
 typedef struct tagTDES1 {
     volatile    unsigned short wReqCount;
-    volatile    BYTE    byTCR;
-    volatile    BYTE    byReserved;
+    volatile    unsigned char byTCR;
+    volatile    unsigned char byReserved;
 } __attribute__ ((__packed__))
 STDES1;
 
@@ -356,7 +356,7 @@
     dma_addr_t          curr_desc;
     unsigned long dwReqCount;
     unsigned long dwHeaderLength;
-    BYTE                byFlags;
+    unsigned char byFlags;
 } DEVICE_TD_INFO,    *PDEVICE_TD_INFO;
 
 /*
@@ -446,18 +446,18 @@
 typedef struct tagSRTSData {
     unsigned short wFrameControl;
     unsigned short wDurationID;
-    BYTE    abyRA[ETH_ALEN];
-    BYTE    abyTA[ETH_ALEN];
+    unsigned char abyRA[ETH_ALEN];
+    unsigned char abyTA[ETH_ALEN];
 }__attribute__ ((__packed__))
 SRTSData, *PSRTSData;
 typedef const SRTSData *PCSRTSData;
 
 typedef struct tagSRTS_g {
-    BYTE        bySignalField_b;
-    BYTE        byServiceField_b;
+    unsigned char bySignalField_b;
+    unsigned char byServiceField_b;
     unsigned short wTransmitLength_b;
-    BYTE        bySignalField_a;
-    BYTE        byServiceField_a;
+    unsigned char bySignalField_a;
+    unsigned char byServiceField_a;
     unsigned short wTransmitLength_a;
     unsigned short wDuration_ba;
     unsigned short wDuration_aa;
@@ -470,11 +470,11 @@
 
 
 typedef struct tagSRTS_g_FB {
-    BYTE        bySignalField_b;
-    BYTE        byServiceField_b;
+    unsigned char bySignalField_b;
+    unsigned char byServiceField_b;
     unsigned short wTransmitLength_b;
-    BYTE        bySignalField_a;
-    BYTE        byServiceField_a;
+    unsigned char bySignalField_a;
+    unsigned char byServiceField_a;
     unsigned short wTransmitLength_a;
     unsigned short wDuration_ba;
     unsigned short wDuration_aa;
@@ -491,8 +491,8 @@
 
 
 typedef struct tagSRTS_ab {
-    BYTE        bySignalField;
-    BYTE        byServiceField;
+    unsigned char bySignalField;
+    unsigned char byServiceField;
     unsigned short wTransmitLength;
     unsigned short wDuration;
     unsigned short wReserved;
@@ -503,8 +503,8 @@
 
 
 typedef struct tagSRTS_a_FB {
-    BYTE        bySignalField;
-    BYTE        byServiceField;
+    unsigned char bySignalField;
+    unsigned char byServiceField;
     unsigned short wTransmitLength;
     unsigned short wDuration;
     unsigned short wReserved;
@@ -522,14 +522,14 @@
 typedef struct tagSCTSData {
     unsigned short wFrameControl;
     unsigned short wDurationID;
-    BYTE    abyRA[ETH_ALEN];
+    unsigned char abyRA[ETH_ALEN];
     unsigned short wReserved;
 }__attribute__ ((__packed__))
 SCTSData, *PSCTSData;
 
 typedef struct tagSCTS {
-    BYTE        bySignalField_b;
-    BYTE        byServiceField_b;
+    unsigned char bySignalField_b;
+    unsigned char byServiceField_b;
     unsigned short wTransmitLength_b;
     unsigned short wDuration_ba;
     unsigned short wReserved;
@@ -539,8 +539,8 @@
 typedef const SCTS *PCSCTS;
 
 typedef struct tagSCTS_FB {
-    BYTE        bySignalField_b;
-    BYTE        byServiceField_b;
+    unsigned char bySignalField_b;
+    unsigned char byServiceField_b;
     unsigned short wTransmitLength_b;
     unsigned short wDuration_ba;
     unsigned short wReserved;
@@ -560,8 +560,8 @@
     unsigned short wFIFOCtl;
     unsigned short wTimeStamp;
     unsigned short wFragCtl;
-    BYTE    byTxPower;
-    BYTE    wReserved;
+    unsigned char byTxPower;
+    unsigned char wReserved;
 }__attribute__ ((__packed__))
 STxBufHead, *PSTxBufHead;
 typedef const STxBufHead *PCSTxBufHead;
@@ -577,11 +577,11 @@
 // Tx data header
 //
 typedef struct tagSTxDataHead_g {
-    BYTE    bySignalField_b;
-    BYTE    byServiceField_b;
+    unsigned char bySignalField_b;
+    unsigned char byServiceField_b;
     unsigned short wTransmitLength_b;
-    BYTE    bySignalField_a;
-    BYTE    byServiceField_a;
+    unsigned char bySignalField_a;
+    unsigned char byServiceField_a;
     unsigned short wTransmitLength_a;
     unsigned short wDuration_b;
     unsigned short wDuration_a;
@@ -592,11 +592,11 @@
 typedef const STxDataHead_g *PCSTxDataHead_g;
 
 typedef struct tagSTxDataHead_g_FB {
-    BYTE    bySignalField_b;
-    BYTE    byServiceField_b;
+    unsigned char bySignalField_b;
+    unsigned char byServiceField_b;
     unsigned short wTransmitLength_b;
-    BYTE    bySignalField_a;
-    BYTE    byServiceField_a;
+    unsigned char bySignalField_a;
+    unsigned char byServiceField_a;
     unsigned short wTransmitLength_a;
     unsigned short wDuration_b;
     unsigned short wDuration_a;
@@ -610,8 +610,8 @@
 
 
 typedef struct tagSTxDataHead_ab {
-    BYTE    bySignalField;
-    BYTE    byServiceField;
+    unsigned char bySignalField;
+    unsigned char byServiceField;
     unsigned short wTransmitLength;
     unsigned short wDuration;
     unsigned short wTimeStampOff;
@@ -621,8 +621,8 @@
 
 
 typedef struct tagSTxDataHead_a_FB {
-    BYTE    bySignalField;
-    BYTE    byServiceField;
+    unsigned char bySignalField;
+    unsigned char byServiceField;
     unsigned short wTransmitLength;
     unsigned short wDuration;
     unsigned short wTimeStampOff;
@@ -654,14 +654,14 @@
 
 typedef struct tagSSecretKey {
     u32 dwLowDword;
-    BYTE    byHighByte;
+    unsigned char byHighByte;
 }__attribute__ ((__packed__))
 SSecretKey;
 
 typedef struct tagSKeyEntry {
-    BYTE  abyAddrHi[2];
+    unsigned char abyAddrHi[2];
     unsigned short wKCTL;
-    BYTE  abyAddrLo[4];
+    unsigned char abyAddrLo[4];
     u32 dwKey0[4];
     u32 dwKey1[4];
     u32 dwKey2[4];
diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index c959924..a05b46e 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -281,7 +281,7 @@
 typedef struct tagSQuietControl {
     BOOL        bEnable;
     unsigned long dwStartTime;
-    BYTE        byPeriod;
+    unsigned char byPeriod;
     unsigned short wDuration;
 } SQuietControl, *PSQuietControl;
 
@@ -304,7 +304,7 @@
 // The receive duplicate detection cache entry
 typedef struct tagSCacheEntry{
     unsigned short wFmSequence;
-    BYTE        abyAddr2[ETH_ALEN];
+    unsigned char abyAddr2[ETH_ALEN];
 } SCacheEntry, *PSCacheEntry;
 
 typedef struct tagSCache{
@@ -321,7 +321,7 @@
 {
     unsigned short wSequence;
     unsigned short wFragNum;
-    BYTE            abyAddr2[ETH_ALEN];
+    unsigned char abyAddr2[ETH_ALEN];
     unsigned int uLifetime;
     struct sk_buff* skb;
     unsigned char *pbyRxBuffer;
@@ -429,7 +429,7 @@
     u32                         ioaddr;
     u32                         io_size;
 
-    BYTE                        byRevId;
+    unsigned char byRevId;
     unsigned short SubSystemID;
     unsigned short SubVendorID;
 
@@ -458,7 +458,7 @@
 
     u32                         rx_buf_sz;
     int                         multicast_limit;
-    BYTE                        byRxMode;
+    unsigned char byRxMode;
 
     spinlock_t                  lock;
 //PLICE_DEBUG->
@@ -475,16 +475,16 @@
     u32                         rx_bytes;
 
     // Version control
-    BYTE                        byLocalID;
-    BYTE                        byRFType;
+    unsigned char byLocalID;
+    unsigned char byRFType;
 
-    BYTE                        byMaxPwrLevel;
-    BYTE                        byZoneType;
+    unsigned char byMaxPwrLevel;
+    unsigned char byZoneType;
     BOOL                        bZoneRegExist;
-   BYTE                        byOriginalZonetype;
-    BYTE                        abyMacContext[MAC_MAX_CONTEXT_REG];
+   unsigned char byOriginalZonetype;
+    unsigned char abyMacContext[MAC_MAX_CONTEXT_REG];
     BOOL                        bLinkPass;          // link status: OK or fail
-    BYTE                        abyCurrentNetAddr[ETH_ALEN];
+    unsigned char abyCurrentNetAddr[ETH_ALEN];
 
     // Adapter statistics
     SStatCounter                scStatistic;
@@ -498,13 +498,13 @@
 
     // 802.11 MAC specific
     unsigned int	uCurrRSSI;
-    BYTE                        byCurrSQ;
+    unsigned char byCurrSQ;
 
     unsigned long dwTxAntennaSel;
     unsigned long dwRxAntennaSel;
-    BYTE                        byAntennaCount;
-    BYTE                        byRxAntennaMode;
-    BYTE                        byTxAntennaMode;
+    unsigned char byAntennaCount;
+    unsigned char byRxAntennaMode;
+    unsigned char byTxAntennaMode;
     BOOL                        bTxRxAntInv;
 
     unsigned char *pbyTmpBuff;
@@ -515,44 +515,44 @@
     unsigned int	uCwMin;   //Current CwMin
     unsigned int	uCwMax;   //CwMax is fixed on 1023.
     // PHY parameter
-    BYTE                        bySIFS;
-    BYTE                        byDIFS;
-    BYTE                        byEIFS;
-    BYTE                        bySlot;
-    BYTE                        byCWMaxMin;
+    unsigned char bySIFS;
+    unsigned char byDIFS;
+    unsigned char byEIFS;
+    unsigned char bySlot;
+    unsigned char byCWMaxMin;
     CARD_PHY_TYPE               eCurrentPHYType;
 
 
     VIA_BB_TYPE                 byBBType; //0: 11A, 1:11B, 2:11G
     VIA_PKT_TYPE                byPacketType; //0:11a,1:11b,2:11gb(only CCK in BasicRate),3:11ga(OFDM in Basic Rate)
     unsigned short wBasicRate;
-    BYTE                        byACKRate;
-    BYTE                        byTopOFDMBasicRate;
-    BYTE                        byTopCCKBasicRate;
+    unsigned char byACKRate;
+    unsigned char byTopOFDMBasicRate;
+    unsigned char byTopCCKBasicRate;
 
-    BYTE                        byMinChannel;
-    BYTE                        byMaxChannel;
+    unsigned char byMinChannel;
+    unsigned char byMaxChannel;
     unsigned int	uConnectionRate;
 
-    BYTE                        byPreambleType;
-    BYTE                        byShortPreamble;
+    unsigned char byPreambleType;
+    unsigned char byShortPreamble;
 
     unsigned short wCurrentRate;
     unsigned short wRTSThreshold;
     unsigned short wFragmentationThreshold;
-    BYTE                        byShortRetryLimit;
-    BYTE                        byLongRetryLimit;
+    unsigned char byShortRetryLimit;
+    unsigned char byLongRetryLimit;
     CARD_OP_MODE                eOPMode;
-    BYTE                        byOpMode;
+    unsigned char byOpMode;
     BOOL                        bBSSIDFilter;
     unsigned short wMaxTransmitMSDULifetime;
-    BYTE                        abyBSSID[ETH_ALEN];
-    BYTE                        abyDesireBSSID[ETH_ALEN];
+    unsigned char abyBSSID[ETH_ALEN];
+    unsigned char abyDesireBSSID[ETH_ALEN];
     unsigned short wCTSDuration;       // update while speed change
     unsigned short wACKDuration;       // update while speed change
     unsigned short wRTSTransmitLen;    // update while speed change
-    BYTE                        byRTSServiceField;  // update while speed change
-    BYTE                        byRTSSignalField;   // update while speed change
+    unsigned char byRTSServiceField;  // update while speed change
+    unsigned char byRTSSignalField;   // update while speed change
 
     unsigned long dwMaxReceiveLifetime;       // dot11MaxReceiveLifetime
 
@@ -564,7 +564,7 @@
     BOOL                        bNonERPPresent;
     BOOL                        bBarkerPreambleMd;
 
-    BYTE                        byERPFlag;
+    unsigned char byERPFlag;
     unsigned short wUseProtectCntDown;
 
     BOOL                        bRadioControlOff;
@@ -576,8 +576,8 @@
 
 
     // GPIO Radio Control
-    BYTE                    byRadioCtl;
-    BYTE                    byGPIO;
+    unsigned char byRadioCtl;
+    unsigned char byGPIO;
     BOOL                    bHWRadioOff;
     BOOL                    bPrvActive4RadioOFF;
     BOOL                    bGPIOBlockRead;
@@ -590,7 +590,7 @@
     BOOL                    bIsBeaconBufReadySet;
     unsigned int	cbBeaconBufReadySetCnt;
     BOOL                    bFixRate;
-    BYTE                    byCurrentCh;
+    unsigned char byCurrentCh;
     unsigned int	uScanTime;
 
     CMD_STATE               eCommandState;
@@ -616,7 +616,7 @@
 
     BOOL                    bRoaming;
     //WOW
-    BYTE                    abyIPAddr[4];
+    unsigned char abyIPAddr[4];
 
     unsigned long ulTxPower;
     NDIS_802_11_WEP_STATUS  eEncryptionStatus;
@@ -632,13 +632,13 @@
     unsigned int	uCurrentWEPMode;
 
     RC4Ext                  SBox;
-    BYTE                    abyPRNG[WLAN_WEPMAX_KEYLEN+3];
-    BYTE                    byKeyIndex;
+    unsigned char abyPRNG[WLAN_WEPMAX_KEYLEN+3];
+    unsigned char byKeyIndex;
     unsigned int	uKeyLength;
-    BYTE                    abyKey[WLAN_WEP232_KEYLEN];
+    unsigned char abyKey[WLAN_WEP232_KEYLEN];
 
     BOOL                    bAES;
-    BYTE                    byCntMeasure;
+    unsigned char byCntMeasure;
 
     // for AP mode
     unsigned int	uAssocCount;
@@ -651,7 +651,7 @@
     BOOL                    bAssocInfoSet;
 
 
-    BYTE                    byAutoFBCtrl;
+    unsigned char byAutoFBCtrl;
 
     BOOL                    bTxMICFail;
     BOOL                    bRxMICFail;
@@ -663,24 +663,24 @@
     // For Update BaseBand VGA Gain Offset
     BOOL                    bUpdateBBVGA;
     unsigned int	uBBVGADiffCount;
-    BYTE                    byBBVGANew;
-    BYTE                    byBBVGACurrent;
-    BYTE                    abyBBVGA[BB_VGA_LEVEL];
+    unsigned char byBBVGANew;
+    unsigned char byBBVGACurrent;
+    unsigned char abyBBVGA[BB_VGA_LEVEL];
     long                    ldBmThreshold[BB_VGA_LEVEL];
 
-    BYTE                    byBBPreEDRSSI;
-    BYTE                    byBBPreEDIndex;
+    unsigned char byBBPreEDRSSI;
+    unsigned char byBBPreEDIndex;
 
 
     BOOL                    bRadioCmd;
     unsigned long dwDiagRefCount;
 
     // For FOE Tuning
-    BYTE                    byFOETuning;
+    unsigned char byFOETuning;
 
     // For Auto Power Tunning
 
-    BYTE                    byAutoPwrTunning;
+    unsigned char byAutoPwrTunning;
     short                   sPSetPointCCK;
     short                   sPSetPointOFDMG;
     short                   sPSetPointOFDMA;
@@ -690,12 +690,12 @@
     char                    cMinTxAGC;
 
     // For RF Power table
-    BYTE                    byCCKPwr;
-    BYTE                    byOFDMPwrG;
-    BYTE                    byCurPwr;
+    unsigned char byCCKPwr;
+    unsigned char byOFDMPwrG;
+    unsigned char byCurPwr;
     char	 byCurPwrdBm;
-    BYTE                    abyCCKPwrTbl[CB_MAX_CHANNEL_24G+1];
-    BYTE                    abyOFDMPwrTbl[CB_MAX_CHANNEL+1];
+    unsigned char abyCCKPwrTbl[CB_MAX_CHANNEL_24G+1];
+    unsigned char abyOFDMPwrTbl[CB_MAX_CHANNEL+1];
     char	abyCCKDefaultPwr[CB_MAX_CHANNEL_24G+1];
     char	abyOFDMDefaultPwr[CB_MAX_CHANNEL+1];
     char	abyRegPwr[CB_MAX_CHANNEL+1];
@@ -703,10 +703,10 @@
 
 
     // BaseBand Loopback Use
-    BYTE                    byBBCR4d;
-    BYTE                    byBBCRc9;
-    BYTE                    byBBCR88;
-    BYTE                    byBBCR09;
+    unsigned char byBBCR4d;
+    unsigned char byBBCRc9;
+    unsigned char byBBCR88;
+    unsigned char byBBCR09;
 
     // command timer
     struct timer_list       sTimerCommand;
@@ -720,24 +720,24 @@
 #ifdef WPA_SM_Transtatus
     BOOL  fWPA_Authened;           //is WPA/WPA-PSK or WPA2/WPA2-PSK authen??
 #endif
-    BYTE            byReAssocCount;   //mike add:re-association retry times!
-    BYTE            byLinkWaitCount;
+    unsigned char byReAssocCount;   //mike add:re-association retry times!
+    unsigned char byLinkWaitCount;
 
 
-    BYTE                    abyNodeName[17];
+    unsigned char abyNodeName[17];
 
     BOOL                    bDiversityRegCtlON;
     BOOL                    bDiversityEnable;
     unsigned long ulDiversityNValue;
     unsigned long ulDiversityMValue;
-    BYTE                    byTMax;
-    BYTE                    byTMax2;
-    BYTE                    byTMax3;
+    unsigned char byTMax;
+    unsigned char byTMax2;
+    unsigned char byTMax3;
     unsigned long ulSQ3TH;
 
 // ANT diversity
     unsigned long uDiversityCnt;
-    BYTE                    byAntennaState;
+    unsigned char byAntennaState;
     unsigned long ulRatio_State0;
     unsigned long ulRatio_State1;
 
@@ -753,10 +753,10 @@
 
     SEthernetHeader         sTxEthHeader;
     SEthernetHeader         sRxEthHeader;
-    BYTE                    abyBroadcastAddr[ETH_ALEN];
-    BYTE                    abySNAP_RFC1042[ETH_ALEN];
-    BYTE                    abySNAP_Bridgetunnel[ETH_ALEN];
-     BYTE                        abyEEPROM[EEP_MAX_CONTEXT_SIZE];  //unsigned long alignment
+    unsigned char abyBroadcastAddr[ETH_ALEN];
+    unsigned char abySNAP_RFC1042[ETH_ALEN];
+    unsigned char abySNAP_Bridgetunnel[ETH_ALEN];
+     unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE];  //unsigned long alignment
     // Pre-Authentication & PMK cache
     SPMKID                  gsPMKID;
     SPMKIDCandidateEvent    gsPMKIDCandidate;
@@ -764,25 +764,25 @@
 
     // for 802.11h
     BOOL                    b11hEnable;
-    BYTE                    abyCountryCode[3];
+    unsigned char abyCountryCode[3];
     // for 802.11h DFS
     unsigned int	uNumOfMeasureEIDs;
     PWLAN_IE_MEASURE_REQ    pCurrMeasureEID;
     BOOL                    bMeasureInProgress;
-    BYTE                    byOrgChannel;
-    BYTE                    byOrgRCR;
+    unsigned char byOrgChannel;
+    unsigned char byOrgRCR;
     unsigned long dwOrgMAR0;
     unsigned long dwOrgMAR4;
-    BYTE                    byBasicMap;
-    BYTE                    byCCAFraction;
-    BYTE                    abyRPIs[8];
+    unsigned char byBasicMap;
+    unsigned char byCCAFraction;
+    unsigned char abyRPIs[8];
     unsigned long dwRPIs[8];
     BOOL                    bChannelSwitch;
-    BYTE                    byNewChannel;
-    BYTE                    byChannelSwitchCount;
+    unsigned char byNewChannel;
+    unsigned char byChannelSwitchCount;
     BOOL                    bQuietEnable;
     BOOL                    bEnableFirstQuiet;
-    BYTE                    byQuietStartCount;
+    unsigned char byQuietStartCount;
     unsigned int	uQuietEnqueue;
     unsigned long dwCurrentQuietEndTime;
     SQuietControl           sQuiet[MAX_QUIET_COUNT];
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 7dd866b..0d697d0 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -431,9 +431,9 @@
 static void
 device_set_options(PSDevice pDevice) {
 
-    BYTE    abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-    BYTE    abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
-    BYTE    abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
+    unsigned char abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+    unsigned char abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
+    unsigned char abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
 
 
     memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN);
@@ -480,18 +480,18 @@
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" pDevice->bDiversityRegCtlON= %d\n",(int)pDevice->bDiversityRegCtlON);
 }
 
-static void s_vCompleteCurrentMeasure (PSDevice pDevice, BYTE byResult)
+static void s_vCompleteCurrentMeasure (PSDevice pDevice, unsigned char byResult)
 {
     unsigned int ii;
     unsigned long dwDuration = 0;
-    BYTE    byRPI0 = 0;
+    unsigned char byRPI0 = 0;
 
     for(ii=1;ii<8;ii++) {
         pDevice->dwRPIs[ii] *= 255;
         dwDuration |= *((unsigned short *) (pDevice->pCurrMeasureEID->sReq.abyDuration));
         dwDuration <<= 10;
         pDevice->dwRPIs[ii] /= dwDuration;
-        pDevice->abyRPIs[ii] = (BYTE) pDevice->dwRPIs[ii];
+        pDevice->abyRPIs[ii] = (unsigned char) pDevice->dwRPIs[ii];
         byRPI0 += pDevice->abyRPIs[ii];
     }
     pDevice->abyRPIs[0] = (0xFF - byRPI0);
@@ -528,10 +528,10 @@
 static void device_init_registers(PSDevice pDevice, DEVICE_INIT_TYPE InitType)
 {
     unsigned int ii;
-    BYTE    byValue;
-	BYTE    byValue1;
-    BYTE    byCCKPwrdBm = 0;
-    BYTE    byOFDMPwrdBm = 0;
+    unsigned char byValue;
+    unsigned char byValue1;
+    unsigned char byCCKPwrdBm = 0;
+    unsigned char byOFDMPwrdBm = 0;
     int zonetype=0;
      PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
     MACbShutdown(pDevice->PortOffset);
@@ -702,11 +702,11 @@
 
 
         for (ii=0;ii<CB_MAX_CHANNEL_24G;ii++) {
-            pDevice->abyCCKPwrTbl[ii+1] = SROMbyReadEmbedded(pDevice->PortOffset, (BYTE)(ii + EEP_OFS_CCK_PWR_TBL));
+            pDevice->abyCCKPwrTbl[ii+1] = SROMbyReadEmbedded(pDevice->PortOffset, (unsigned char)(ii + EEP_OFS_CCK_PWR_TBL));
             if (pDevice->abyCCKPwrTbl[ii+1] == 0) {
                 pDevice->abyCCKPwrTbl[ii+1] = pDevice->byCCKPwr;
             }
-            pDevice->abyOFDMPwrTbl[ii+1] = SROMbyReadEmbedded(pDevice->PortOffset, (BYTE)(ii + EEP_OFS_OFDM_PWR_TBL));
+            pDevice->abyOFDMPwrTbl[ii+1] = SROMbyReadEmbedded(pDevice->PortOffset, (unsigned char)(ii + EEP_OFS_OFDM_PWR_TBL));
             if (pDevice->abyOFDMPwrTbl[ii+1] == 0) {
                 pDevice->abyOFDMPwrTbl[ii+1] = pDevice->byOFDMPwrG;
             }
@@ -728,8 +728,8 @@
 
         // Load OFDM A Power Table
         for (ii=0;ii<CB_MAX_CHANNEL_5G;ii++) { //RobertYu:20041224, bug using CB_MAX_CHANNEL
-            pDevice->abyOFDMPwrTbl[ii+CB_MAX_CHANNEL_24G+1] = SROMbyReadEmbedded(pDevice->PortOffset, (BYTE)(ii + EEP_OFS_OFDMA_PWR_TBL));
-            pDevice->abyOFDMDefaultPwr[ii+CB_MAX_CHANNEL_24G+1] = SROMbyReadEmbedded(pDevice->PortOffset, (BYTE)(ii + EEP_OFS_OFDMA_PWR_dBm));
+            pDevice->abyOFDMPwrTbl[ii+CB_MAX_CHANNEL_24G+1] = SROMbyReadEmbedded(pDevice->PortOffset, (unsigned char)(ii + EEP_OFS_OFDMA_PWR_TBL));
+            pDevice->abyOFDMDefaultPwr[ii+CB_MAX_CHANNEL_24G+1] = SROMbyReadEmbedded(pDevice->PortOffset, (unsigned char)(ii + EEP_OFS_OFDMA_PWR_dBm));
         }
         init_channel_table((void *)pDevice);
 
@@ -1043,7 +1043,7 @@
 
     dev->base_addr = pDevice->ioaddr;
 #ifdef	PLICE_DEBUG
-	BYTE	value;
+	unsigned char 	value;
 
 	VNSvInPortB(pDevice->PortOffset+0x4F, &value);
 	printk("Before write: value is %x\n",value);
@@ -1157,8 +1157,8 @@
     u8  b;
     unsigned int cis_addr;
 #ifdef	PLICE_DEBUG
-	BYTE       pci_config[256];
-	BYTE	value =0x00;
+	unsigned char pci_config[256];
+	unsigned char 	value =0x00;
 	int		ii,j;
 	u16	max_lat=0x0000;
 	memset(pci_config,0x00,256);
@@ -1668,8 +1668,8 @@
     PSTxDesc                 pTD;
     BOOL                     bFull=FALSE;
     int                      works = 0;
-    BYTE                     byTsr0;
-    BYTE                     byTsr1;
+    unsigned char byTsr0;
+    unsigned char byTsr1;
     unsigned int	uFrameSize, uFIFOHeaderSize;
     PSTxBufHead              pTxBufHead;
     struct net_device_stats* pStats = &pDevice->stats;
@@ -1754,7 +1754,7 @@
                 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) &&
                     (pTD->pTDInfo->byFlags & TD_FLAGS_NETIF_SKB)) {
                     unsigned short wAID;
-                    BYTE    byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+                    unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 
                     skb = pTD->pTDInfo->skb;
                     if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data), &uNodeIndex)) {
@@ -2123,13 +2123,13 @@
     PSTxDesc        pHeadTD, pLastTD;
     unsigned int cbFrameBodySize;
     unsigned int uMACfragNum;
-    BYTE            byPktType;
+    unsigned char byPktType;
     BOOL            bNeedEncryption = FALSE;
     PSKeyItem       pTransmitKey = NULL;
     unsigned int cbHeaderSize;
     unsigned int ii;
     SKeyItem        STempKey;
-//    BYTE            byKeyIndex = 0;
+//    unsigned char byKeyIndex = 0;
 
 
     if (pDevice->bStopTx0Pkt == TRUE) {
@@ -2168,7 +2168,7 @@
         dev_kfree_skb_irq(skb);
         return FALSE;
     }
-    byPktType = (BYTE)pDevice->byPacketType;
+    byPktType = (unsigned char)pDevice->byPacketType;
 
 
     if (pDevice->bFixRate) {
@@ -2273,11 +2273,11 @@
     PSMgmtObject    pMgmt = pDevice->pMgmt;
     PSTxDesc        pHeadTD, pLastTD;
     unsigned int uNodeIndex = 0;
-    BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+    unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     unsigned short wAID;
     unsigned int uMACfragNum = 1;
     unsigned int cbFrameBodySize;
-    BYTE            byPktType;
+    unsigned char byPktType;
     unsigned int cbHeaderSize;
     BOOL            bNeedEncryption = FALSE;
     PSKeyItem       pTransmitKey = NULL;
@@ -2446,7 +2446,7 @@
         }
     }
 
-    byPktType = (BYTE)pDevice->byPacketType;
+    byPktType = (unsigned char)pDevice->byPacketType;
 
     if (pDevice->bFixRate) {
 #ifdef	PLICE_DEBUG
@@ -2471,7 +2471,7 @@
 
             }
         }
-        pDevice->byACKRate = (BYTE) pDevice->wCurrentRate;
+        pDevice->byACKRate = (unsigned char) pDevice->wCurrentRate;
         pDevice->byTopCCKBasicRate = RATE_1M;
         pDevice->byTopOFDMBasicRate = RATE_6M;
     }
@@ -2634,9 +2634,9 @@
 //#endif
 
 {
-    BYTE  Protocol_Version;    //802.1x Authentication
-    BYTE  Packet_Type;           //802.1x Authentication
-    BYTE  Descriptor_type;
+    unsigned char Protocol_Version;    //802.1x Authentication
+    unsigned char Packet_Type;           //802.1x Authentication
+    unsigned char Descriptor_type;
     unsigned short Key_info;
 BOOL            bTxeapol_key = FALSE;
     Protocol_Version = skb->data[ETH_HLEN];
@@ -2679,11 +2679,11 @@
     int             max_count=0;
     unsigned long dwMIBCounter=0;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
-    BYTE            byOrgPageSel=0;
+    unsigned char byOrgPageSel=0;
     int             handled = 0;
-    BYTE            byData = 0;
+    unsigned char byData = 0;
     int             ii= 0;
-//    BYTE            byRSSI;
+//    unsigned char byRSSI;
 
 
     MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr);
@@ -2835,7 +2835,7 @@
                 if ((pDevice->bUpdateBBVGA) && (pDevice->bLinkPass == TRUE) && (pDevice->uCurrRSSI != 0)) {
                     long            ldBm;
 
-                    RFvRSSITodBm(pDevice, (BYTE) pDevice->uCurrRSSI, &ldBm);
+                    RFvRSSITodBm(pDevice, (unsigned char) pDevice->uCurrRSSI, &ldBm);
                     for (ii=0;ii<BB_VGA_LEVEL;ii++) {
                         if (ldBm < pDevice->ldBmThreshold[ii]) {
                             pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 91a52e6..8b5310a 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -66,7 +66,7 @@
 //static int          msglevel                =MSG_LEVEL_DEBUG;
 static int          msglevel                =MSG_LEVEL_INFO;
 
-const BYTE acbyRxRate[MAX_RATE] =
+const unsigned char acbyRxRate[MAX_RATE] =
 {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
 
 
@@ -76,7 +76,7 @@
 
 /*---------------------  Static Functions  --------------------------*/
 
-static BYTE s_byGetRateIdx(BYTE byRate);
+static unsigned char s_byGetRateIdx(unsigned char byRate);
 
 
 static
@@ -249,9 +249,9 @@
 
 
 
-static BYTE s_byGetRateIdx (BYTE byRate)
+static unsigned char s_byGetRateIdx (unsigned char byRate)
 {
-    BYTE    byRateIdx;
+    unsigned char byRateIdx;
 
     for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
         if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
@@ -684,8 +684,8 @@
             }
    //mike add:station mode check eapol-key challenge--->
    	  {
-   	    BYTE  Protocol_Version;    //802.1x Authentication
-	    BYTE  Packet_Type;           //802.1x Authentication
+   	    unsigned char Protocol_Version;    //802.1x Authentication
+	    unsigned char Packet_Type;           //802.1x Authentication
               if (bIsWEP)
                   cbIVOffset = 8;
               else
@@ -753,7 +753,7 @@
     // -----------------------------------------------
 
     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){
-        BYTE    abyMacHdr[24];
+        unsigned char abyMacHdr[24];
 
         // Only 802.1x packet incoming allowed
         if (bIsWEP)
@@ -1176,9 +1176,9 @@
 {
     unsigned int PayloadLen = FrameSize;
     unsigned char *pbyIV;
-    BYTE            byKeyIdx;
+    unsigned char byKeyIdx;
     PSKeyItem       pKey = NULL;
-    BYTE            byDecMode = KEY_CTL_WEP;
+    unsigned char byDecMode = KEY_CTL_WEP;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
 
 
@@ -1323,8 +1323,8 @@
 {
     unsigned int PayloadLen = FrameSize;
     unsigned char *pbyIV;
-    BYTE            byKeyIdx;
-    BYTE            byDecMode = KEY_CTL_WEP;
+    unsigned char byKeyIdx;
+    unsigned char byDecMode = KEY_CTL_WEP;
     PS802_11Header  pMACHeader;
 
 
@@ -1451,7 +1451,7 @@
     PSMgmtObject        pMgmt = pDevice->pMgmt;
     BOOL                bRelayAndForward = FALSE;
     BOOL                bRelayOnly = FALSE;
-    BYTE                byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+    unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     unsigned short wAID;
 
 
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
index 07273b9..ef36394 100644
--- a/drivers/staging/vt6655/hostap.c
+++ b/drivers/staging/vt6655/hostap.c
@@ -472,10 +472,10 @@
 {
     PSMgmtObject    pMgmt = pDevice->pMgmt;
     unsigned long dwKeyIndex = 0;
-    BYTE    abyKey[MAX_KEY_LEN];
-    BYTE    abySeq[MAX_KEY_LEN];
+    unsigned char abyKey[MAX_KEY_LEN];
+    unsigned char abySeq[MAX_KEY_LEN];
     NDIS_802_11_KEY_RSC   KeyRSC;
-    BYTE    byKeyDecMode = KEY_CTL_WEP;
+    unsigned char byKeyDecMode = KEY_CTL_WEP;
 	int     ret = 0;
 	int     iNodeIndex = -1;
 	int     ii;
@@ -555,7 +555,7 @@
 
     dwKeyIndex = (unsigned long)(param->u.crypt.idx);
     if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
-        pDevice->byKeyIndex = (BYTE)dwKeyIndex;
+        pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
         pDevice->bTransmitKey = TRUE;
         dwKeyIndex |= (1 << 31);
     }
@@ -736,7 +736,7 @@
 	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
     memset(param->u.crypt.seq, 0, 8);
     for (ii = 0 ; ii < 8 ; ii++) {
-        param->u.crypt.seq[ii] = (BYTE)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
+        param->u.crypt.seq[ii] = (unsigned char)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
     }
 
 	return ret;
diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index 229aa15..94c981b 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -75,10 +75,10 @@
     PKnownNodeDB        pNode;
     unsigned int ii, jj;
     SCmdLinkStatus      sLinkStatus;
-    BYTE                abySuppRates[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
-    BYTE                abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+    unsigned char abySuppRates[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
+    unsigned char abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
     unsigned long dwKeyIndex= 0;
-    BYTE                abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+    unsigned char abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
     long                ldBm;
 
     pReq->wResult = 0;
@@ -147,7 +147,7 @@
             }
 	else {
           ///////read zonetype
-	  BYTE                       zonetype=0;
+	  unsigned char zonetype=0;
 
 
            if(zonetype == 0x00)  { //USA
@@ -340,7 +340,7 @@
     		    pList->sBSSIDList[ii].wBeaconInterval = pBSS->wBeaconInterval;
     		    pList->sBSSIDList[ii].wCapInfo = pBSS->wCapInfo;
 //    		    pList->sBSSIDList[ii].uRSSI = pBSS->uRSSI;
-    		    RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
+    		    RFvRSSITodBm(pDevice, (unsigned char)(pBSS->uRSSI), &ldBm);
     		    pList->sBSSIDList[ii].uRSSI = (unsigned int)ldBm;
     		    memcpy(pList->sBSSIDList[ii].abyBSSID, pBSS->abyBSSID, WLAN_BSSID_LEN);
     		    pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index 9583874..6a713e2 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -104,11 +104,11 @@
 	  #endif
 	   if(pDevice->scStatistic.LinkQuality > 100)
    	       pDevice->scStatistic.LinkQuality = 100;
-               pDevice->wstats.qual.qual =(BYTE) pDevice->scStatistic.LinkQuality;
+               pDevice->wstats.qual.qual =(unsigned char) pDevice->scStatistic.LinkQuality;
 	#else
 	pDevice->wstats.qual.qual = pDevice->byCurrSQ;
 	#endif
-	RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
+	RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
 	pDevice->wstats.qual.level = ldBm;
 	//pDevice->wstats.qual.level = 0x100 - pDevice->uCurrRSSI;
 	pDevice->wstats.qual.noise = 0;
@@ -175,7 +175,7 @@
 	PSDevice	        pDevice = (PSDevice)netdev_priv(dev);
 	 PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 	struct iw_scan_req  *req = (struct iw_scan_req *)extra;
-	BYTE                abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+	unsigned char abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 	PWLAN_IE_SSID       pItemSSID=NULL;
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWSCAN \n");
 
@@ -309,7 +309,7 @@
        		//ADD quality
             memset(&iwe, 0, sizeof(iwe));
 	        iwe.cmd = IWEVQUAL;
-	        RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
+	        RFvRSSITodBm(pDevice, (unsigned char)(pBSS->uRSSI), &ldBm);
 		    iwe.u.qual.level = ldBm;
 	        iwe.u.qual.noise = 0;
 //2008-0409-01, <Add> by Einsn Liu
@@ -577,7 +577,7 @@
 {
 	struct iw_range *range = (struct iw_range *) extra;
 	int		i,k;
-    BYTE abySupportedRates[13]= {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
+    unsigned char abySupportedRates[13]= {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
 
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWRANGE \n");
@@ -688,7 +688,7 @@
 	PSDevice	        pDevice = (PSDevice)netdev_priv(dev);
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
     int rc = 0;
-    BYTE                 ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
+    unsigned char ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWAP \n");
 if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
@@ -830,7 +830,7 @@
     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
     PWLAN_IE_SSID       pItemSSID;
   //2008-0409-05, <Add> by Einsn Liu
-    BYTE  len;
+    unsigned char len;
 
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWESSID \n");
@@ -885,7 +885,7 @@
         /*******search if  in hidden ssid mode ****/
         {
            PKnownBSS       pCurr = NULL;
-           BYTE                   abyTmpDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+           unsigned char abyTmpDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 	  unsigned int ii , uSameBssidNum=0;
 
 	  memcpy(abyTmpDesireSSID,pMgmt->abyDesireSSID,sizeof(abyTmpDesireSSID));
@@ -981,7 +981,7 @@
     int rc = 0;
 	u8	brate = 0;
 	int	i;
-	BYTE abySupportedRates[13]= {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
+	unsigned char abySupportedRates[13]= {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
 
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWRATE \n");
@@ -1068,7 +1068,7 @@
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWRATE \n");
     {
-        BYTE abySupportedRates[13]= {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
+        unsigned char abySupportedRates[13]= {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
 	    int brate = 0;
 //2008-5-8 <modify> by chester
 if(pDevice->bLinkPass){
@@ -1368,7 +1368,7 @@
                           );
             spin_unlock_irq(&pDevice->lock);
         }
-        pDevice->byKeyIndex = (BYTE)dwKeyIndex;
+        pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
         pDevice->uKeyLength = wrq->length;
         pDevice->bTransmitKey = TRUE;
         pDevice->bEncryptionEnable = TRUE;
@@ -1384,14 +1384,14 @@
 	}
 	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Just set Default key Index:\n");
 	pkeytab=&(pDevice->sKey.KeyTable[MAX_KEY_TABLE-1]);
-	if(pkeytab->GroupKey[(BYTE)dwKeyIndex].uKeyLength==0){
+	if(pkeytab->GroupKey[(unsigned char)dwKeyIndex].uKeyLength==0){
 		DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Default key len is 0\n");
 		rc = -EINVAL;
       	  	return rc;
 		}
-	 pDevice->byKeyIndex =(BYTE)dwKeyIndex;
+	 pDevice->byKeyIndex =(unsigned char)dwKeyIndex;
 	 pkeytab->dwGTKeyIndex =dwKeyIndex | (1 << 31);
-	 pkeytab->GroupKey[(BYTE)dwKeyIndex].dwKeyIndex=dwKeyIndex | (1 << 31);
+	 pkeytab->GroupKey[(unsigned char)dwKeyIndex].dwKeyIndex=dwKeyIndex | (1 << 31);
 	}
 
 }else {//disable the key
@@ -1460,7 +1460,7 @@
                           );
             spin_unlock_irq(&pDevice->lock);
         }
-        pDevice->byKeyIndex = (BYTE)dwKeyIndex;
+        pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
         pDevice->uKeyLength = wrq->length;
         pDevice->bTransmitKey = TRUE;
         pDevice->bEncryptionEnable = TRUE;
@@ -1549,7 +1549,7 @@
 	else
 		wrq->flags |=  IW_ENCODE_OPEN;
 
-	if (KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, (BYTE)index , &pKey)){
+	if (KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, (unsigned char)index , &pKey)){
         wrq->length = pKey->uKeyLength;
         memcpy(abyKey, pKey->abyKey,  pKey->uKeyLength);
 //2007-0207-06,<Modify> by EinsnLiu
@@ -1622,7 +1622,7 @@
 				  memcpy(abyKey, pKey->abyKey,	pKey->uKeyLength);
 				  memcpy(extra,  abyKey, WLAN_WEP232_KEYLEN);
 			   }
-	}else if (KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, (BYTE)index , &pKey)){
+	}else if (KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, (unsigned char)index , &pKey)){
 			wrq->length = pKey->uKeyLength;
 			memcpy(abyKey, pKey->abyKey,  pKey->uKeyLength);
 		memcpy(extra,  abyKey, WLAN_WEP232_KEYLEN);
@@ -1730,7 +1730,7 @@
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCGIWSENS \n");
     if (pDevice->bLinkPass == TRUE) {
-        RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
+        RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
 	    wrq->value = ldBm;
 	}
 	else {
diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c
index 0283d0f..490f653 100644
--- a/drivers/staging/vt6655/key.c
+++ b/drivers/staging/vt6655/key.c
@@ -196,9 +196,9 @@
     unsigned long uKeyLength,
     PQWORD          pKeyRSC,
     unsigned char *pbyKey,
-    BYTE            byKeyDecMode,
+    unsigned char byKeyDecMode,
     unsigned long dwIoBase,
-    BYTE            byLocalID
+    unsigned char byLocalID
     )
 {
     int         i,j;
@@ -637,9 +637,9 @@
     unsigned long uKeyLength,
     PQWORD          pKeyRSC,
     unsigned char *pbyKey,
-    BYTE            byKeyDecMode,
+    unsigned char byKeyDecMode,
     unsigned long dwIoBase,
-    BYTE            byLocalID
+    unsigned char byLocalID
     )
 {
     unsigned int ii;
@@ -744,9 +744,9 @@
     unsigned long uKeyLength,
     PQWORD          pKeyRSC,
     unsigned char *pbyKey,
-    BYTE            byKeyDecMode,
+    unsigned char byKeyDecMode,
     unsigned long dwIoBase,
-    BYTE            byLocalID
+    unsigned char byLocalID
     )
 {
     int         i;
diff --git a/drivers/staging/vt6655/key.h b/drivers/staging/vt6655/key.h
index f825a3e..a1f09a4 100644
--- a/drivers/staging/vt6655/key.h
+++ b/drivers/staging/vt6655/key.h
@@ -59,20 +59,20 @@
 {
     BOOL        bKeyValid;
     unsigned long uKeyLength;
-    BYTE        abyKey[MAX_KEY_LEN];
+    unsigned char abyKey[MAX_KEY_LEN];
     QWORD       KeyRSC;
     unsigned long dwTSC47_16;
     unsigned short wTSC15_0;
-    BYTE        byCipherSuite;
-    BYTE        byReserved0;
+    unsigned char byCipherSuite;
+    unsigned char byReserved0;
     unsigned long dwKeyIndex;
     void *pvKeyTable;
 } SKeyItem, *PSKeyItem; //64
 
 typedef struct tagSKeyTable
 {
-    BYTE        abyBSSID[ETH_ALEN];  //6
-    BYTE        byReserved0[2];              //8
+    unsigned char abyBSSID[ETH_ALEN];  //6
+    unsigned char byReserved0[2];              //8
     SKeyItem    PairwiseKey;
     SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
     unsigned long dwGTKeyIndex;            // GroupTransmitKey Index
@@ -83,7 +83,7 @@
     BOOL        bSoftWEP;
     unsigned short wKeyCtl;      // for address of wKeyCtl at align 4
 
-    BYTE        byReserved1[6];
+    unsigned char byReserved1[6];
 } SKeyTable, *PSKeyTable; //348
 
 typedef struct tagSKeyManagement
@@ -117,9 +117,9 @@
     unsigned long uKeyLength,
     PQWORD          pKeyRSC,
     unsigned char *pbyKey,
-    BYTE            byKeyDecMode,
+    unsigned char byKeyDecMode,
     unsigned long dwIoBase,
-    BYTE            byLocalID
+    unsigned char byLocalID
     );
 
 BOOL KeybSetDefaultKey(
@@ -128,9 +128,9 @@
     unsigned long uKeyLength,
     PQWORD          pKeyRSC,
     unsigned char *pbyKey,
-    BYTE            byKeyDecMode,
+    unsigned char byKeyDecMode,
     unsigned long dwIoBase,
-    BYTE            byLocalID
+    unsigned char byLocalID
     );
 
 BOOL KeybRemoveKey(
@@ -175,9 +175,9 @@
     unsigned long uKeyLength,
     PQWORD          pKeyRSC,
     unsigned char *pbyKey,
-    BYTE            byKeyDecMode,
+    unsigned char byKeyDecMode,
     unsigned long dwIoBase,
-    BYTE            byLocalID
+    unsigned char byLocalID
     );
 
 #endif // __KEY_H__
diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
index 1232bfe..48bfbf8 100644
--- a/drivers/staging/vt6655/mac.c
+++ b/drivers/staging/vt6655/mac.c
@@ -140,9 +140,9 @@
  * Return Value: TRUE if all test bits On; otherwise FALSE
  *
  */
-BOOL MACbIsRegBitsOn (unsigned long dwIoBase, BYTE byRegOfs, BYTE byTestBits)
+BOOL MACbIsRegBitsOn (unsigned long dwIoBase, unsigned char byRegOfs, unsigned char byTestBits)
 {
-    BYTE byData;
+    unsigned char byData;
 
     VNSvInPortB(dwIoBase + byRegOfs, &byData);
     return (byData & byTestBits) == byTestBits;
@@ -163,9 +163,9 @@
  * Return Value: TRUE if all test bits Off; otherwise FALSE
  *
  */
-BOOL MACbIsRegBitsOff (unsigned long dwIoBase, BYTE byRegOfs, BYTE byTestBits)
+BOOL MACbIsRegBitsOff (unsigned long dwIoBase, unsigned char byRegOfs, unsigned char byTestBits)
 {
-    BYTE byData;
+    unsigned char byData;
 
     VNSvInPortB(dwIoBase + byRegOfs, &byData);
     return !(byData & byTestBits);
@@ -209,9 +209,9 @@
  * Return Value: Mask Value read
  *
  */
-BYTE MACbyReadMultiAddr (unsigned long dwIoBase, unsigned int uByteIdx)
+unsigned char MACbyReadMultiAddr (unsigned long dwIoBase, unsigned int uByteIdx)
 {
-    BYTE byData;
+    unsigned char byData;
 
     MACvSelectPage1(dwIoBase);
     VNSvInPortB(dwIoBase + MAC_REG_MAR0 + uByteIdx, &byData);
@@ -234,7 +234,7 @@
  * Return Value: none
  *
  */
-void MACvWriteMultiAddr (unsigned long dwIoBase, unsigned int uByteIdx, BYTE byData)
+void MACvWriteMultiAddr (unsigned long dwIoBase, unsigned int uByteIdx, unsigned char byData)
 {
     MACvSelectPage1(dwIoBase);
     VNSvOutPortB(dwIoBase + MAC_REG_MAR0 + uByteIdx, byData);
@@ -255,11 +255,11 @@
  * Return Value: none
  *
  */
-void MACvSetMultiAddrByHash (unsigned long dwIoBase, BYTE byHashIdx)
+void MACvSetMultiAddrByHash (unsigned long dwIoBase, unsigned char byHashIdx)
 {
     unsigned int uByteIdx;
-    BYTE byBitMask;
-    BYTE byOrgValue;
+    unsigned char byBitMask;
+    unsigned char byOrgValue;
 
     // calculate byte position
     uByteIdx = byHashIdx / 8;
@@ -269,7 +269,7 @@
     byBitMask <<= (byHashIdx % 8);
     // turn on the bit
     byOrgValue = MACbyReadMultiAddr(dwIoBase, uByteIdx);
-    MACvWriteMultiAddr(dwIoBase, uByteIdx, (BYTE)(byOrgValue | byBitMask));
+    MACvWriteMultiAddr(dwIoBase, uByteIdx, (unsigned char)(byOrgValue | byBitMask));
 }
 
 /*
@@ -286,11 +286,11 @@
  * Return Value: none
  *
  */
-void MACvResetMultiAddrByHash (unsigned long dwIoBase, BYTE byHashIdx)
+void MACvResetMultiAddrByHash (unsigned long dwIoBase, unsigned char byHashIdx)
 {
     unsigned int uByteIdx;
-    BYTE byBitMask;
-    BYTE byOrgValue;
+    unsigned char byBitMask;
+    unsigned char byOrgValue;
 
     // calculate byte position
     uByteIdx = byHashIdx / 8;
@@ -300,7 +300,7 @@
     byBitMask <<= (byHashIdx % 8);
     // turn off the bit
     byOrgValue = MACbyReadMultiAddr(dwIoBase, uByteIdx);
-    MACvWriteMultiAddr(dwIoBase, uByteIdx, (BYTE)(byOrgValue & (~byBitMask)));
+    MACvWriteMultiAddr(dwIoBase, uByteIdx, (unsigned char)(byOrgValue & (~byBitMask)));
 }
 
 /*
@@ -317,9 +317,9 @@
  * Return Value: none
  *
  */
-void MACvSetRxThreshold (unsigned long dwIoBase, BYTE byThreshold)
+void MACvSetRxThreshold (unsigned long dwIoBase, unsigned char byThreshold)
 {
-    BYTE byOrgValue;
+    unsigned char byOrgValue;
 
     ASSERT(byThreshold < 4);
 
@@ -363,9 +363,9 @@
  * Return Value: none
  *
  */
-void MACvSetTxThreshold (unsigned long dwIoBase, BYTE byThreshold)
+void MACvSetTxThreshold (unsigned long dwIoBase, unsigned char byThreshold)
 {
-    BYTE byOrgValue;
+    unsigned char byOrgValue;
 
     ASSERT(byThreshold < 4);
 
@@ -409,9 +409,9 @@
  * Return Value: none
  *
  */
-void MACvSetDmaLength (unsigned long dwIoBase, BYTE byDmaLength)
+void MACvSetDmaLength (unsigned long dwIoBase, unsigned char byDmaLength)
 {
-    BYTE byOrgValue;
+    unsigned char byOrgValue;
 
     ASSERT(byDmaLength < 4);
 
@@ -455,7 +455,7 @@
  * Return Value: none
  *
  */
-void MACvSetShortRetryLimit (unsigned long dwIoBase, BYTE byRetryLimit)
+void MACvSetShortRetryLimit (unsigned long dwIoBase, unsigned char byRetryLimit)
 {
     // set SRT
     VNSvOutPortB(dwIoBase + MAC_REG_SRT, byRetryLimit);
@@ -494,7 +494,7 @@
  * Return Value: none
  *
  */
-void MACvSetLongRetryLimit (unsigned long dwIoBase, BYTE byRetryLimit)
+void MACvSetLongRetryLimit (unsigned long dwIoBase, unsigned char byRetryLimit)
 {
     // set LRT
     VNSvOutPortB(dwIoBase + MAC_REG_LRT, byRetryLimit);
@@ -533,9 +533,9 @@
  * Return Value: none
  *
  */
-void MACvSetLoopbackMode (unsigned long dwIoBase, BYTE byLoopbackMode)
+void MACvSetLoopbackMode (unsigned long dwIoBase, unsigned char byLoopbackMode)
 {
-    BYTE byOrgValue;
+    unsigned char byOrgValue;
 
     ASSERT(byLoopbackMode < 3);
     byLoopbackMode <<= 6;
@@ -561,7 +561,7 @@
  */
 BOOL MACbIsInLoopbackMode (unsigned long dwIoBase)
 {
-    BYTE byOrgValue;
+    unsigned char byOrgValue;
 
     VNSvInPortB(dwIoBase + MAC_REG_TEST, &byOrgValue);
     if (byOrgValue & (TEST_LBINT | TEST_LBEXT))
@@ -585,8 +585,8 @@
  */
 void MACvSetPacketFilter (unsigned long dwIoBase, unsigned short wFilterType)
 {
-    BYTE    byOldRCR;
-    BYTE    byNewRCR = 0;
+    unsigned char byOldRCR;
+    unsigned char byNewRCR = 0;
 
     // if only in DIRECTED mode, multicast-address will set to zero,
     // but if other mode exist (e.g. PROMISCUOUS), multicast-address
@@ -775,7 +775,7 @@
  */
 BOOL MACbSoftwareReset (unsigned long dwIoBase)
 {
-    BYTE    byData;
+    unsigned char byData;
     unsigned short ww;
 
     // turn on HOSTCR_SOFTRST, just write 0x01 to reset
@@ -808,7 +808,7 @@
  */
 BOOL MACbSafeSoftwareReset (unsigned long dwIoBase)
 {
-    BYTE    abyTmpRegData[MAC_MAX_CONTEXT_SIZE_PAGE0+MAC_MAX_CONTEXT_SIZE_PAGE1];
+    unsigned char abyTmpRegData[MAC_MAX_CONTEXT_SIZE_PAGE0+MAC_MAX_CONTEXT_SIZE_PAGE1];
     BOOL    bRetVal;
 
     // PATCH....
@@ -843,7 +843,7 @@
 {
     unsigned short ww;
     unsigned long dwData;
-    BYTE    byData;
+    unsigned char byData;
 
     // turn off wow temp for turn off Rx safely
 
@@ -904,7 +904,7 @@
 {
     unsigned short ww;
     unsigned long dwData;
-    BYTE    byData;
+    unsigned char byData;
 
     // Clear TX DMA
     //Tx0
@@ -1082,8 +1082,8 @@
 void MACvSetCurrRx0DescAddr (unsigned long dwIoBase, unsigned long dwCurrDescAddr)
 {
 unsigned short ww;
-BYTE    byData;
-BYTE    byOrgDMACtl;
+unsigned char byData;
+unsigned char byOrgDMACtl;
 
     VNSvInPortB(dwIoBase + MAC_REG_RXDMACTL0, &byOrgDMACtl);
     if (byOrgDMACtl & DMACTL_RUN) {
@@ -1120,8 +1120,8 @@
 void MACvSetCurrRx1DescAddr (unsigned long dwIoBase, unsigned long dwCurrDescAddr)
 {
 unsigned short ww;
-BYTE    byData;
-BYTE    byOrgDMACtl;
+unsigned char byData;
+unsigned char byOrgDMACtl;
 
     VNSvInPortB(dwIoBase + MAC_REG_RXDMACTL1, &byOrgDMACtl);
     if (byOrgDMACtl & DMACTL_RUN) {
@@ -1158,8 +1158,8 @@
 void MACvSetCurrTx0DescAddrEx (unsigned long dwIoBase, unsigned long dwCurrDescAddr)
 {
 unsigned short ww;
-BYTE    byData;
-BYTE    byOrgDMACtl;
+unsigned char byData;
+unsigned char byOrgDMACtl;
 
     VNSvInPortB(dwIoBase + MAC_REG_TXDMACTL0, &byOrgDMACtl);
     if (byOrgDMACtl & DMACTL_RUN) {
@@ -1197,8 +1197,8 @@
 void MACvSetCurrAC0DescAddrEx (unsigned long dwIoBase, unsigned long dwCurrDescAddr)
 {
 unsigned short ww;
-BYTE    byData;
-BYTE    byOrgDMACtl;
+unsigned char byData;
+unsigned char byOrgDMACtl;
 
     VNSvInPortB(dwIoBase + MAC_REG_AC0DMACTL, &byOrgDMACtl);
     if (byOrgDMACtl & DMACTL_RUN) {
@@ -1246,7 +1246,7 @@
  */
 void MACvTimer0MicroSDelay (unsigned long dwIoBase, unsigned int uDelay)
 {
-BYTE byValue;
+unsigned char byValue;
 unsigned int uu,ii;
 
     VNSvOutPortB(dwIoBase + MAC_REG_TMCTL0, 0);
@@ -1321,7 +1321,7 @@
 
 BOOL MACbTxDMAOff (unsigned long dwIoBase, unsigned int idx)
 {
-BYTE byData;
+unsigned char byData;
 unsigned int ww = 0;
 
     if (idx == TYPE_TXDMA0) {
@@ -1371,7 +1371,7 @@
 
 void MACvEnableBusSusEn (unsigned long dwIoBase)
 {
-    BYTE  byOrgValue;
+    unsigned char byOrgValue;
     unsigned long dwOrgValue;
     unsigned int ww;
     // check if BcnSusInd enabled
@@ -1393,7 +1393,7 @@
 
 BOOL MACbFlushSYNCFifo (unsigned long dwIoBase)
 {
-    BYTE  byOrgValue;
+    unsigned char byOrgValue;
     unsigned int ww;
     // Read MACCR
     VNSvInPortB(dwIoBase + MAC_REG_MACCR , &byOrgValue);
@@ -1417,7 +1417,7 @@
 
 BOOL MACbPSWakeup (unsigned long dwIoBase)
 {
-    BYTE  byOrgValue;
+    unsigned char byOrgValue;
     unsigned int ww;
     // Read PSCTL
     if (MACbIsRegBitsOff(dwIoBase, MAC_REG_PSCTL, PSCTL_PS)) {
@@ -1456,7 +1456,7 @@
  */
 
 void MACvSetKeyEntry (unsigned long dwIoBase, unsigned short wKeyCtl, unsigned int uEntryIdx,
-		unsigned int uKeyIdx, unsigned char *pbyAddr, unsigned long *pdwKey, BYTE byLocalID)
+		unsigned int uKeyIdx, unsigned char *pbyAddr, unsigned long *pdwKey, unsigned char byLocalID)
 {
 unsigned short wOffset;
 unsigned long dwData;
@@ -1551,7 +1551,7 @@
  */
 
 void MACvSetDefaultKeyEntry (unsigned long dwIoBase, unsigned int uKeyLen,
-		unsigned int uKeyIdx, unsigned long *pdwKey, BYTE byLocalID)
+		unsigned int uKeyIdx, unsigned long *pdwKey, unsigned char byLocalID)
 {
 unsigned short wOffset;
 unsigned long dwData;
@@ -1601,7 +1601,7 @@
  *
  */
 /*
-void MACvEnableDefaultKey (unsigned long dwIoBase, BYTE byLocalID)
+void MACvEnableDefaultKey (unsigned long dwIoBase, unsigned char byLocalID)
 {
 unsigned short wOffset;
 unsigned long dwData;
@@ -1667,7 +1667,7 @@
  *
  */
 void MACvSetDefaultTKIPKeyEntry (unsigned long dwIoBase, unsigned int uKeyLen,
-		unsigned int uKeyIdx, unsigned long *pdwKey, BYTE byLocalID)
+		unsigned int uKeyIdx, unsigned long *pdwKey, unsigned char byLocalID)
 {
 unsigned short wOffset;
 unsigned long dwData;
@@ -1723,7 +1723,7 @@
  *
  */
 
-void MACvSetDefaultKeyCtl (unsigned long dwIoBase, unsigned short wKeyCtl, unsigned int uEntryIdx, BYTE byLocalID)
+void MACvSetDefaultKeyCtl (unsigned long dwIoBase, unsigned short wKeyCtl, unsigned int uEntryIdx, unsigned char byLocalID)
 {
 unsigned short wOffset;
 unsigned long dwData;
diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index c83b8f8..ad3459f 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -663,7 +663,7 @@
 
 #define MACvRegBitsOn(dwIoBase, byRegOfs, byBits)           \
 {                                                           \
-    BYTE byData;                                            \
+    unsigned char byData;                                   \
     VNSvInPortB(dwIoBase + byRegOfs, &byData);              \
     VNSvOutPortB(dwIoBase + byRegOfs, byData | (byBits));   \
 }
@@ -684,7 +684,7 @@
 
 #define MACvRegBitsOnEx(dwIoBase, byRegOfs, byMask, byBits) \
 {                                                           \
-    BYTE byData;                                            \
+    unsigned char byData;                                   \
     VNSvInPortB(dwIoBase + byRegOfs, &byData);              \
     byData &= byMask;                                       \
     VNSvOutPortB(dwIoBase + byRegOfs, byData | (byBits));   \
@@ -692,7 +692,7 @@
 
 #define MACvRegBitsOff(dwIoBase, byRegOfs, byBits)          \
 {                                                           \
-    BYTE byData;                                            \
+    unsigned char byData;                                   \
     VNSvInPortB(dwIoBase + byRegOfs, &byData);              \
     VNSvOutPortB(dwIoBase + byRegOfs, byData & ~(byBits));  \
 }
@@ -955,7 +955,7 @@
 
 #define MACvClearStckDS(dwIoBase)                           \
 {                                                           \
-    BYTE byOrgValue;                                        \
+    unsigned char byOrgValue;                               \
     VNSvInPortB(dwIoBase + MAC_REG_STICKHW, &byOrgValue);   \
     byOrgValue = byOrgValue & 0xFC;                         \
     VNSvOutPortB(dwIoBase + MAC_REG_STICKHW, byOrgValue);   \
@@ -1077,32 +1077,32 @@
 extern unsigned short TxRate_iwconfig;//2008-5-8 <add> by chester
 void MACvReadAllRegs(unsigned long dwIoBase, unsigned char *pbyMacRegs);
 
-BOOL MACbIsRegBitsOn(unsigned long dwIoBase, BYTE byRegOfs, BYTE byTestBits);
-BOOL MACbIsRegBitsOff(unsigned long dwIoBase, BYTE byRegOfs, BYTE byTestBits);
+BOOL MACbIsRegBitsOn(unsigned long dwIoBase, unsigned char byRegOfs, unsigned char byTestBits);
+BOOL MACbIsRegBitsOff(unsigned long dwIoBase, unsigned char byRegOfs, unsigned char byTestBits);
 
 BOOL MACbIsIntDisable(unsigned long dwIoBase);
 
-BYTE MACbyReadMultiAddr(unsigned long dwIoBase, unsigned int uByteIdx);
-void MACvWriteMultiAddr(unsigned long dwIoBase, unsigned int uByteIdx, BYTE byData);
-void MACvSetMultiAddrByHash(unsigned long dwIoBase, BYTE byHashIdx);
-void MACvResetMultiAddrByHash(unsigned long dwIoBase, BYTE byHashIdx);
+unsigned char MACbyReadMultiAddr(unsigned long dwIoBase, unsigned int uByteIdx);
+void MACvWriteMultiAddr(unsigned long dwIoBase, unsigned int uByteIdx, unsigned char byData);
+void MACvSetMultiAddrByHash(unsigned long dwIoBase, unsigned char byHashIdx);
+void MACvResetMultiAddrByHash(unsigned long dwIoBase, unsigned char byHashIdx);
 
-void MACvSetRxThreshold(unsigned long dwIoBase, BYTE byThreshold);
+void MACvSetRxThreshold(unsigned long dwIoBase, unsigned char byThreshold);
 void MACvGetRxThreshold(unsigned long dwIoBase, unsigned char *pbyThreshold);
 
-void MACvSetTxThreshold(unsigned long dwIoBase, BYTE byThreshold);
+void MACvSetTxThreshold(unsigned long dwIoBase, unsigned char byThreshold);
 void MACvGetTxThreshold(unsigned long dwIoBase, unsigned char *pbyThreshold);
 
-void MACvSetDmaLength(unsigned long dwIoBase, BYTE byDmaLength);
+void MACvSetDmaLength(unsigned long dwIoBase, unsigned char byDmaLength);
 void MACvGetDmaLength(unsigned long dwIoBase, unsigned char *pbyDmaLength);
 
-void MACvSetShortRetryLimit(unsigned long dwIoBase, BYTE byRetryLimit);
+void MACvSetShortRetryLimit(unsigned long dwIoBase, unsigned char byRetryLimit);
 void MACvGetShortRetryLimit(unsigned long dwIoBase, unsigned char *pbyRetryLimit);
 
-void MACvSetLongRetryLimit(unsigned long dwIoBase, BYTE byRetryLimit);
+void MACvSetLongRetryLimit(unsigned long dwIoBase, unsigned char byRetryLimit);
 void MACvGetLongRetryLimit(unsigned long dwIoBase, unsigned char *pbyRetryLimit);
 
-void MACvSetLoopbackMode(unsigned long dwIoBase, BYTE byLoopbackMode);
+void MACvSetLoopbackMode(unsigned long dwIoBase, unsigned char byLoopbackMode);
 BOOL MACbIsInLoopbackMode(unsigned long dwIoBase);
 
 void MACvSetPacketFilter(unsigned long dwIoBase, unsigned short wFilterType);
@@ -1140,15 +1140,15 @@
 BOOL MACbPSWakeup(unsigned long dwIoBase);
 
 void MACvSetKeyEntry(unsigned long dwIoBase, unsigned short wKeyCtl, unsigned int uEntryIdx,
-		unsigned int uKeyIdx, unsigned char *pbyAddr, unsigned long *pdwKey, BYTE byLocalID);
+		unsigned int uKeyIdx, unsigned char *pbyAddr, unsigned long *pdwKey, unsigned char byLocalID);
 void MACvDisableKeyEntry(unsigned long dwIoBase, unsigned int uEntryIdx);
 void MACvSetDefaultKeyEntry(unsigned long dwIoBase, unsigned int uKeyLen,
-		unsigned int uKeyIdx, unsigned long *pdwKey, BYTE byLocalID);
-//void MACvEnableDefaultKey(unsigned long dwIoBase, BYTE byLocalID);
+		unsigned int uKeyIdx, unsigned long *pdwKey, unsigned char byLocalID);
+//void MACvEnableDefaultKey(unsigned long dwIoBase, unsigned char byLocalID);
 void MACvDisableDefaultKey(unsigned long dwIoBase);
 void MACvSetDefaultTKIPKeyEntry(unsigned long dwIoBase, unsigned int uKeyLen,
-		unsigned int uKeyIdx, unsigned long *pdwKey, BYTE byLocalID);
-void MACvSetDefaultKeyCtl(unsigned long dwIoBase, unsigned short wKeyCtl, unsigned int uEntryIdx, BYTE byLocalID);
+		unsigned int uKeyIdx, unsigned long *pdwKey, unsigned char byLocalID);
+void MACvSetDefaultKeyCtl(unsigned long dwIoBase, unsigned short wKeyCtl, unsigned int uEntryIdx, unsigned char byLocalID);
 
 #endif // __MAC_H__
 
diff --git a/drivers/staging/vt6655/mib.c b/drivers/staging/vt6655/mib.c
index a963436..1b91a83 100644
--- a/drivers/staging/vt6655/mib.c
+++ b/drivers/staging/vt6655/mib.c
@@ -177,7 +177,7 @@
  *
  */
 void STAvUpdateRDStatCounter (PSStatCounter pStatistic,
-                              BYTE byRSR, BYTE byNewRSR, BYTE byRxRate,
+                              unsigned char byRSR, unsigned char byNewRSR, unsigned char byRxRate,
                               unsigned char *pbyBuffer, unsigned int cbFrameLength)
 {
     //need change
@@ -389,9 +389,9 @@
 void
 STAvUpdateRDStatCounterEx (
     PSStatCounter   pStatistic,
-    BYTE            byRSR,
-    BYTE            byNewRSR,
-    BYTE            byRxRate,
+    unsigned char byRSR,
+    unsigned char byNewRSR,
+    unsigned char byRxRate,
     unsigned char *pbyBuffer,
     unsigned int cbFrameLength
     )
@@ -432,8 +432,8 @@
 void
 STAvUpdateTDStatCounter (
     PSStatCounter   pStatistic,
-    BYTE            byTSR0,
-    BYTE            byTSR1,
+    unsigned char byTSR0,
+    unsigned char byTSR1,
     unsigned char *pbyBuffer,
     unsigned int cbFrameLength,
     unsigned int uIdx
@@ -441,7 +441,7 @@
 {
     PWLAN_80211HDR_A4   pHeader;
     unsigned char *pbyDestAddr;
-    BYTE                byTSR0_NCR = byTSR0 & TSR0_NCR;
+    unsigned char byTSR0_NCR = byTSR0 & TSR0_NCR;
 
 
 
diff --git a/drivers/staging/vt6655/mib.h b/drivers/staging/vt6655/mib.h
index 3e86245..009f3a4 100644
--- a/drivers/staging/vt6655/mib.h
+++ b/drivers/staging/vt6655/mib.h
@@ -78,7 +78,7 @@
     long    ifType;
     long    ifMtu;
     unsigned long ifSpeed;
-    BYTE    ifPhysAddress[ETH_ALEN];
+    unsigned char ifPhysAddress[ETH_ALEN];
     long    ifAdminStatus;
     long    ifOperStatus;
     unsigned long ifLastChange;
@@ -292,8 +292,8 @@
     unsigned long dwCntRxFrmLength;
     unsigned long dwCntTxBufLength;
 
-    BYTE    abyCntRxPattern[16];
-    BYTE    abyCntTxPattern[16];
+    unsigned char abyCntRxPattern[16];
+    unsigned char abyCntTxPattern[16];
 
 
 
@@ -347,14 +347,14 @@
 void STAvUpdateIsrStatCounter(PSStatCounter pStatistic, unsigned long dwIsr);
 
 void STAvUpdateRDStatCounter(PSStatCounter pStatistic,
-                              BYTE byRSR, BYTE byNewRSR, BYTE byRxRate,
+                              unsigned char byRSR, unsigned char byNewRSR, unsigned char byRxRate,
                               unsigned char *pbyBuffer, unsigned int cbFrameLength);
 
 void STAvUpdateRDStatCounterEx(PSStatCounter pStatistic,
-                              BYTE byRSR, BYTE byNewRsr, BYTE byRxRate,
+                              unsigned char byRSR, unsigned char byNewRsr, unsigned char byRxRate,
                               unsigned char *pbyBuffer, unsigned int cbFrameLength);
 
-void STAvUpdateTDStatCounter(PSStatCounter pStatistic, BYTE byTSR0, BYTE byTSR1,
+void STAvUpdateTDStatCounter(PSStatCounter pStatistic, unsigned char byTSR0, unsigned char byTSR1,
 		unsigned char *pbyBuffer, unsigned int cbFrameLength, unsigned int uIdx);
 
 void STAvUpdateTDStatCounterEx(
diff --git a/drivers/staging/vt6655/michael.c b/drivers/staging/vt6655/michael.c
index ad02166..67618f0 100644
--- a/drivers/staging/vt6655/michael.c
+++ b/drivers/staging/vt6655/michael.c
@@ -26,8 +26,8 @@
  * Date: Sep 4, 2002
  *
  * Functions:
- *      s_dwGetUINT32 - Convert from BYTE[] to unsigned long in a portable way
- *      s_vPutUINT32 - Convert from unsigned long to BYTE[] in a portable way
+ *      s_dwGetUINT32 - Convert from unsigned char [] to unsigned long in a portable way
+ *      s_vPutUINT32 - Convert from unsigned long to unsigned char [] in a portable way
  *      s_vClear - Reset the state to the empty message.
  *      s_vSetKey - Set the key.
  *      MIC_vInit - Set the key.
@@ -48,13 +48,13 @@
 
 /*---------------------  Static Functions  --------------------------*/
 /*
-static unsigned long s_dwGetUINT32(BYTE * p);         // Get unsigned long from 4 bytes LSByte first
-static void s_vPutUINT32(BYTE* p, unsigned long val); // Put unsigned long into 4 bytes LSByte first
+static unsigned long s_dwGetUINT32(unsigned char *p);         // Get unsigned long from 4 bytes LSByte first
+static void s_vPutUINT32(unsigned char *p, unsigned long val); // Put unsigned long into 4 bytes LSByte first
 */
 static void s_vClear(void);                       // Clear the internal message,
                                               // resets the object to the state just after construction.
 static void s_vSetKey(unsigned long dwK0, unsigned long dwK1);
-static void s_vAppendByte(BYTE b);            // Add a single byte to the internal message
+static void s_vAppendByte(unsigned char b);            // Add a single byte to the internal message
 
 /*---------------------  Export Variables  --------------------------*/
 static unsigned long L, R;           // Current state
@@ -66,8 +66,8 @@
 /*---------------------  Export Functions  --------------------------*/
 
 /*
-static unsigned long s_dwGetUINT32 (BYTE * p)
-// Convert from BYTE[] to unsigned long in a portable way
+static unsigned long s_dwGetUINT32 (unsigned char *p)
+// Convert from unsigned char [] to unsigned long in a portable way
 {
     unsigned long res = 0;
     unsigned int i;
@@ -78,13 +78,13 @@
     return res;
 }
 
-static void s_vPutUINT32 (BYTE* p, unsigned long val)
-// Convert from unsigned long to BYTE[] in a portable way
+static void s_vPutUINT32 (unsigned char *p, unsigned long val)
+// Convert from unsigned long to unsigned char [] in a portable way
 {
     unsigned int i;
     for(i=0; i<4; i++ )
     {
-        *p++ = (BYTE) (val & 0xff);
+        *p++ = (unsigned char) (val & 0xff);
         val >>= 8;
     }
 }
@@ -108,7 +108,7 @@
     s_vClear();
 }
 
-static void s_vAppendByte (BYTE b)
+static void s_vAppendByte (unsigned char b)
 {
     // Append the byte to our word-sized buffer
     M |= b << (8*nBytesInM);
diff --git a/drivers/staging/vt6655/rc4.c b/drivers/staging/vt6655/rc4.c
index 783fdff..9856c08 100644
--- a/drivers/staging/vt6655/rc4.c
+++ b/drivers/staging/vt6655/rc4.c
@@ -44,15 +44,15 @@
     pRC4->ux = 0;
     pRC4->uy = 0;
     for (idx = 0; idx < 256; idx++)
-        pbyst[idx] = (BYTE)idx;
+        pbyst[idx] = (unsigned char)idx;
     keyindex = 0;
     stateindex = 0;
     for (idx = 0; idx < 256; idx++) {
         ust1 = pbyst[idx];
         stateindex = (stateindex + pbyKey[keyindex] + ust1) & 0xff;
         ust2 = pbyst[stateindex];
-        pbyst[stateindex] = (BYTE)ust1;
-        pbyst[idx] = (BYTE)ust2;
+        pbyst[stateindex] = (unsigned char)ust1;
+        pbyst[idx] = (unsigned char)ust2;
         if (++keyindex >= cbKey_len)
             keyindex = 0;
     }
@@ -72,8 +72,8 @@
     usty = pbyst[uy];
     pRC4->ux = ux;
     pRC4->uy = uy;
-    pbyst[uy] = (BYTE)ustx;
-    pbyst[ux] = (BYTE)usty;
+    pbyst[uy] = (unsigned char)ustx;
+    pbyst[ux] = (unsigned char)usty;
 
     return pbyst[(ustx + usty) & 0xff];
 }
@@ -83,5 +83,5 @@
 {
     unsigned int ii;
     for (ii = 0; ii < cbData_len; ii++)
-        pbyDest[ii] = (BYTE)(pbySrc[ii] ^ rc4_byte(pRC4));
+        pbyDest[ii] = (unsigned char)(pbySrc[ii] ^ rc4_byte(pRC4));
 }
diff --git a/drivers/staging/vt6655/rc4.h b/drivers/staging/vt6655/rc4.h
index c94eea2..ad04e35 100644
--- a/drivers/staging/vt6655/rc4.h
+++ b/drivers/staging/vt6655/rc4.h
@@ -37,7 +37,7 @@
 typedef struct {
     unsigned int ux;
     unsigned int uy;
-    BYTE abystate[256];
+    unsigned char abystate[256];
 } RC4Ext, *PRC4Ext;
 
 void rc4_init(PRC4Ext pRC4, unsigned char *pbyKey, unsigned int cbKey_len);
diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c
index 9122bb1..b4d76fe 100644
--- a/drivers/staging/vt6655/rf.c
+++ b/drivers/staging/vt6655/rf.c
@@ -517,7 +517,7 @@
 }
 
 // Need to Pull PLLON low when writing channel registers through 3-wire interface
-BOOL s_bAL7230SelectChannel (unsigned long dwIoBase, BYTE byChannel)
+BOOL s_bAL7230SelectChannel (unsigned long dwIoBase, unsigned char byChannel)
 {
     BOOL    bResult;
 
@@ -734,7 +734,7 @@
     return bResult;
 }
 
-BOOL RFbAL2230SelectChannel (unsigned long dwIoBase, BYTE byChannel)
+BOOL RFbAL2230SelectChannel (unsigned long dwIoBase, unsigned char byChannel)
 {
     BOOL    bResult;
 
@@ -875,7 +875,7 @@
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL RFbSelectChannel (unsigned long dwIoBase, BYTE byRFType, BYTE byChannel)
+BOOL RFbSelectChannel (unsigned long dwIoBase, unsigned char byRFType, unsigned char byChannel)
 {
 BOOL    bResult = TRUE;
     switch (byRFType) {
@@ -911,11 +911,11 @@
  * Return Value: None.
  *
  */
-BOOL RFvWriteWakeProgSyn (unsigned long dwIoBase, BYTE byRFType, unsigned int uChannel)
+BOOL RFvWriteWakeProgSyn (unsigned long dwIoBase, unsigned char byRFType, unsigned int uChannel)
 {
     int   ii;
-    BYTE  byInitCount = 0;
-    BYTE  bySleepCount = 0;
+    unsigned char byInitCount = 0;
+    unsigned char bySleepCount = 0;
 
     VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, 0);
     switch (byRFType) {
@@ -1003,9 +1003,9 @@
     )
 {
 BOOL    bResult = TRUE;
-BYTE    byPwr = 0;
-BYTE    byDec = 0;
-BYTE    byPwrdBm = 0;
+unsigned char byPwr = 0;
+unsigned char byDec = 0;
+unsigned char byPwrdBm = 0;
 
     if (pDevice->dwDiagRefCount != 0) {
         return TRUE;
@@ -1137,7 +1137,7 @@
 
 BOOL RFbRawSetPower (
     PSDevice  pDevice,
-    BYTE      byPwr,
+    unsigned char byPwr,
     unsigned int uRATE
     )
 {
@@ -1204,14 +1204,14 @@
 void
 RFvRSSITodBm (
     PSDevice pDevice,
-    BYTE     byCurrRSSI,
+    unsigned char byCurrRSSI,
     long *    pldBm
     )
 {
-    BYTE byIdx = (((byCurrRSSI & 0xC0) >> 6) & 0x03);
+    unsigned char byIdx = (((byCurrRSSI & 0xC0) >> 6) & 0x03);
     long b = (byCurrRSSI & 0x3F);
     long a = 0;
-    BYTE abyAIROHARF[4] = {0, 18, 0, 40};
+    unsigned char abyAIROHARF[4] = {0, 18, 0, 40};
 
     switch (pDevice->byRFType) {
         case RF_AIROHA:
@@ -1232,7 +1232,7 @@
 
 // Post processing for the 11b/g and 11a.
 // for save time on changing Reg2,3,5,7,10,12,15
-BOOL RFbAL7230SelectChannelPostProcess (unsigned long dwIoBase, BYTE byOldChannel, BYTE byNewChannel)
+BOOL RFbAL7230SelectChannelPostProcess (unsigned long dwIoBase, unsigned char byOldChannel, unsigned char byNewChannel)
 {
     BOOL    bResult;
 
diff --git a/drivers/staging/vt6655/rf.h b/drivers/staging/vt6655/rf.h
index 77e2e33..c856571 100644
--- a/drivers/staging/vt6655/rf.h
+++ b/drivers/staging/vt6655/rf.h
@@ -77,27 +77,27 @@
 /*---------------------  Export Functions  --------------------------*/
 
 BOOL IFRFbWriteEmbeded(unsigned long dwIoBase, unsigned long dwData);
-BOOL RFbSelectChannel(unsigned long dwIoBase, BYTE byRFType, BYTE byChannel);
+BOOL RFbSelectChannel(unsigned long dwIoBase, unsigned char byRFType, unsigned char byChannel);
 BOOL RFbInit (
     PSDevice  pDevice
     );
-BOOL RFvWriteWakeProgSyn(unsigned long dwIoBase, BYTE byRFType, unsigned int uChannel);
+BOOL RFvWriteWakeProgSyn(unsigned long dwIoBase, unsigned char byRFType, unsigned int uChannel);
 BOOL RFbSetPower(PSDevice pDevice, unsigned int uRATE, unsigned int uCH);
 BOOL RFbRawSetPower(
     PSDevice  pDevice,
-    BYTE      byPwr,
+    unsigned char byPwr,
     unsigned int uRATE
     );
 
 void
 RFvRSSITodBm(
     PSDevice pDevice,
-    BYTE     byCurrRSSI,
+    unsigned char byCurrRSSI,
     long    *pldBm
     );
 
 //{{ RobertYu: 20050104
-BOOL RFbAL7230SelectChannelPostProcess(unsigned long dwIoBase, BYTE byOldChannel, BYTE byNewChannel);
+BOOL RFbAL7230SelectChannelPostProcess(unsigned long dwIoBase, unsigned char byOldChannel, unsigned char byNewChannel);
 //}} RobertYu
 
 #endif // __RF_H__
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 8e5e888..8b5e210 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -132,21 +132,21 @@
 void
 s_vFillRTSHead(
     PSDevice         pDevice,
-    BYTE             byPktType,
+    unsigned char byPktType,
     void *           pvRTS,
     unsigned int	cbFrameLength,
     BOOL             bNeedAck,
     BOOL             bDisCRC,
     PSEthernetHeader psEthHeader,
     unsigned short wCurrentRate,
-    BYTE             byFBOption
+    unsigned char byFBOption
     );
 
 static
 void
 s_vGenerateTxParameter(
     PSDevice         pDevice,
-    BYTE            byPktType,
+    unsigned char byPktType,
     void *           pTxBufHead,
     void *           pvRrvTime,
     void *           pvRTS,
@@ -174,7 +174,7 @@
 unsigned int
 s_cbFillTxBufHead (
     PSDevice         pDevice,
-    BYTE             byPktType,
+    unsigned char byPktType,
     unsigned char *pbyTxBufferAddr,
     unsigned int	cbFrameBodySize,
     unsigned int	uDMAIdx,
@@ -192,7 +192,7 @@
 unsigned int
 s_uFillDataHead (
     PSDevice pDevice,
-    BYTE     byPktType,
+    unsigned char byPktType,
     void *   pTxDataHead,
     unsigned int cbFrameLength,
     unsigned int uDMAIdx,
@@ -200,7 +200,7 @@
     unsigned int uFragIdx,
     unsigned int cbLastFragmentSize,
     unsigned int uMACfragNum,
-    BYTE     byFBOption,
+    unsigned char byFBOption,
     unsigned short wCurrentRate
     );
 
@@ -226,7 +226,7 @@
     unsigned short wValue;
     PS802_11Header  pMACHeader = (PS802_11Header)pbyHdrBuf;
     unsigned long dwRevIVCounter;
-    BYTE            byKeyIndex = 0;
+    unsigned char byKeyIndex = 0;
 
 
 
@@ -270,7 +270,7 @@
         // Make IV
         memcpy(pdwIV, pDevice->abyPRNG, 3);
 
-        *(pbyIVHead+3) = (BYTE)(((byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
+        *(pbyIVHead+3) = (unsigned char)(((byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
         // Append IV&ExtIV after Mac Header
         *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %lx\n", *pdwExtIV);
@@ -284,7 +284,7 @@
 
         // Make IV
         *pdwIV = 0;
-        *(pbyIVHead+3) = (BYTE)(((byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
+        *(pbyIVHead+3) = (unsigned char)(((byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
         *pdwIV |= cpu_to_le16((unsigned short)(pTransmitKey->wTSC15_0));
         //Append IV&ExtIV after Mac Header
         *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
@@ -380,7 +380,7 @@
 unsigned int
 s_uGetTxRsvTime (
     PSDevice pDevice,
-    BYTE     byPktType,
+    unsigned char byPktType,
     unsigned int cbFrameLength,
     unsigned short wRate,
     BOOL     bNeedAck
@@ -411,8 +411,8 @@
 unsigned int
 s_uGetRTSCTSRsvTime (
     PSDevice pDevice,
-    BYTE byRTSRsvType,
-    BYTE byPktType,
+    unsigned char byRTSRsvType,
+    unsigned char byPktType,
     unsigned int cbFrameLength,
     unsigned short wCurrentRate
     )
@@ -453,15 +453,15 @@
 unsigned int
 s_uGetDataDuration (
     PSDevice pDevice,
-    BYTE     byDurType,
+    unsigned char byDurType,
     unsigned int cbFrameLength,
-    BYTE     byPktType,
+    unsigned char byPktType,
     unsigned short wRate,
     BOOL     bNeedAck,
     unsigned int uFragIdx,
     unsigned int cbLastFragmentSize,
     unsigned int uMACfragNum,
-    BYTE     byFBOption
+    unsigned char byFBOption
     )
 {
     BOOL bLastFrag = 0;
@@ -624,12 +624,12 @@
 unsigned int
 s_uGetRTSCTSDuration (
     PSDevice pDevice,
-    BYTE byDurType,
+    unsigned char byDurType,
     unsigned int cbFrameLength,
-    BYTE byPktType,
+    unsigned char byPktType,
     unsigned short wRate,
     BOOL bNeedAck,
-    BYTE byFBOption
+    unsigned char byFBOption
     )
 {
     unsigned int uCTSTime = 0, uDurTime = 0;
@@ -722,7 +722,7 @@
 unsigned int
 s_uFillDataHead (
     PSDevice pDevice,
-    BYTE     byPktType,
+    unsigned char byPktType,
     void *   pTxDataHead,
     unsigned int cbFrameLength,
     unsigned int uDMAIdx,
@@ -730,7 +730,7 @@
     unsigned int uFragIdx,
     unsigned int cbLastFragmentSize,
     unsigned int uMACfragNum,
-    BYTE     byFBOption,
+    unsigned char byFBOption,
     unsigned short wCurrentRate
     )
 {
@@ -854,14 +854,14 @@
 void
 s_vFillRTSHead (
     PSDevice         pDevice,
-    BYTE             byPktType,
+    unsigned char byPktType,
     void *           pvRTS,
     unsigned int cbFrameLength,
     BOOL             bNeedAck,
     BOOL             bDisCRC,
     PSEthernetHeader psEthHeader,
     unsigned short wCurrentRate,
-    BYTE             byFBOption
+    unsigned char byFBOption
     )
 {
     unsigned int uRTSFrameLen = 20;
@@ -1049,13 +1049,13 @@
 s_vFillCTSHead (
     PSDevice pDevice,
     unsigned int uDMAIdx,
-    BYTE     byPktType,
+    unsigned char byPktType,
     void *   pvCTS,
     unsigned int cbFrameLength,
     BOOL     bNeedAck,
     BOOL     bDisCRC,
     unsigned short wCurrentRate,
-    BYTE     byFBOption
+    unsigned char byFBOption
     )
 {
     unsigned int uCTSFrameLen = 14;
@@ -1153,7 +1153,7 @@
 void
 s_vGenerateTxParameter (
     PSDevice         pDevice,
-    BYTE             byPktType,
+    unsigned char byPktType,
     void *           pTxBufHead,
     void *           pvRrvTime,
     void *           pvRTS,
@@ -1168,7 +1168,7 @@
     unsigned int cbMACHdLen = WLAN_HDR_ADDR3_LEN; //24
     unsigned short wFifoCtl;
     BOOL bDisCRC = FALSE;
-    BYTE byFBOption = AUTO_FB_NONE;
+    unsigned char byFBOption = AUTO_FB_NONE;
 //    unsigned short wCurrentRate = pDevice->wCurrentRate;
 
     //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter...\n");
@@ -1319,7 +1319,7 @@
 unsigned int
 s_cbFillTxBufHead (
     PSDevice         pDevice,
-    BYTE             byPktType,
+    unsigned char byPktType,
     unsigned char *pbyTxBufferAddr,
     unsigned int cbFrameBodySize,
     unsigned int uDMAIdx,
@@ -1346,7 +1346,7 @@
     unsigned int uDuration;
     unsigned char *pbyBuffer;
 //    unsigned int uKeyEntryIdx = NUM_KEY_ENTRY+1;
-//    BYTE           byKeySel = 0xFF;
+//    unsigned char byKeySel = 0xFF;
     unsigned int cbIVlen = 0;
     unsigned int cbICVlen = 0;
     unsigned int cbMIClen = 0;
@@ -1354,7 +1354,7 @@
     unsigned int cb802_1_H_len = 0;
     unsigned int uLength = 0;
     unsigned int uTmpLen = 0;
-//    BYTE           abyTmp[8];
+//    unsigned char abyTmp[8];
 //    unsigned long dwCRC;
     unsigned int cbMICHDR = 0;
     unsigned long dwMICKey0, dwMICKey1;
@@ -1383,7 +1383,7 @@
     void *         pvTxDataHd;
     unsigned short wTxBufSize;   // FFinfo size
     unsigned int uTotalCopyLength = 0;
-    BYTE           byFBOption = AUTO_FB_NONE;
+    unsigned char byFBOption = AUTO_FB_NONE;
     BOOL           bIsWEP256 = FALSE;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
 
@@ -2096,7 +2096,7 @@
 void
 vGenerateFIFOHeader (
     PSDevice         pDevice,
-    BYTE             byPktType,
+    unsigned char byPktType,
     unsigned char *pbyTxBufferAddr,
     BOOL             bNeedEncrypt,
     unsigned int cbPayloadSize,
@@ -2340,7 +2340,7 @@
 CMD_STATUS csMgmt_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
 
     PSTxDesc        pFrstTD;
-    BYTE            byPktType;
+    unsigned char byPktType;
     unsigned char *pbyTxBufferAddr;
     void *          pvRTS;
     PSCTS           pCTS;
@@ -2661,7 +2661,7 @@
 
 CMD_STATUS csBeacon_xmit(PSDevice pDevice, PSTxMgmtPacket pPacket) {
 
-    BYTE             byPktType;
+    unsigned char byPktType;
     unsigned char *pbyBuffer = (unsigned char *)pDevice->tx_beacon_bufs;
     unsigned int cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN;
     unsigned int cbHeaderSize = 0;
@@ -2829,7 +2829,7 @@
 vDMA0_tx_80211(PSDevice  pDevice, struct sk_buff *skb, unsigned char *pbMPDU, unsigned int cbMPDULen) {
 
     PSTxDesc        pFrstTD;
-    BYTE            byPktType;
+    unsigned char byPktType;
     unsigned char *pbyTxBufferAddr;
     void *          pvRTS;
     void *          pvCTS;
diff --git a/drivers/staging/vt6655/rxtx.h b/drivers/staging/vt6655/rxtx.h
index 655488d..146da09 100644
--- a/drivers/staging/vt6655/rxtx.h
+++ b/drivers/staging/vt6655/rxtx.h
@@ -85,7 +85,7 @@
 void
 vGenerateFIFOHeader (
     PSDevice         pDevice,
-    BYTE             byPktTyp,
+    unsigned char byPktTyp,
     unsigned char *pbyTxBufferAddr,
     BOOL             bNeedEncrypt,
     unsigned int	cbPayloadSize,
diff --git a/drivers/staging/vt6655/srom.c b/drivers/staging/vt6655/srom.c
index 221fb0b..2f458fe 100644
--- a/drivers/staging/vt6655/srom.c
+++ b/drivers/staging/vt6655/srom.c
@@ -76,12 +76,12 @@
  * Return Value: data read
  *
  */
-BYTE SROMbyReadEmbedded(unsigned long dwIoBase, BYTE byContntOffset)
+unsigned char SROMbyReadEmbedded(unsigned long dwIoBase, unsigned char byContntOffset)
 {
     unsigned short wDelay, wNoACK;
-    BYTE    byWait;
-    BYTE    byData;
-    BYTE    byOrg;
+    unsigned char byWait;
+    unsigned char byData;
+    unsigned char byOrg;
 
     byData = 0xFF;
     VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
@@ -125,12 +125,12 @@
  * Return Value: TRUE if succeeded; FALSE if failed.
  *
  */
-BOOL SROMbWriteEmbedded(unsigned long dwIoBase, BYTE byContntOffset, BYTE byData)
+BOOL SROMbWriteEmbedded(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byData)
 {
     unsigned short wDelay, wNoACK;
-    BYTE    byWait;
+    unsigned char byWait;
 
-    BYTE    byOrg;
+    unsigned char byOrg;
 
     VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
     /* turn off hardware retry for getting NACK */
@@ -178,12 +178,12 @@
  * Return Value: none
  *
  */
-void SROMvRegBitsOn(unsigned long dwIoBase, BYTE byContntOffset, BYTE byBits)
+void SROMvRegBitsOn(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byBits)
 {
-    BYTE    byOrgData;
+    unsigned char byOrgData;
 
     byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
-    SROMbWriteEmbedded(dwIoBase, byContntOffset,(BYTE)(byOrgData | byBits));
+    SROMbWriteEmbedded(dwIoBase, byContntOffset,(unsigned char)(byOrgData | byBits));
 }
 
 
@@ -199,12 +199,12 @@
  *      none
  *
  */
-void SROMvRegBitsOff(unsigned long dwIoBase, BYTE byContntOffset, BYTE byBits)
+void SROMvRegBitsOff(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byBits)
 {
-    BYTE    byOrgData;
+    unsigned char byOrgData;
 
     byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
-    SROMbWriteEmbedded(dwIoBase, byContntOffset,(BYTE)(byOrgData & (~byBits)));
+    SROMbWriteEmbedded(dwIoBase, byContntOffset,(unsigned char)(byOrgData & (~byBits)));
 }
 
 
@@ -222,9 +222,9 @@
  * Return Value: TRUE if all test bits on; otherwise FALSE
  *
  */
-BOOL SROMbIsRegBitsOn(unsigned long dwIoBase, BYTE byContntOffset, BYTE byTestBits)
+BOOL SROMbIsRegBitsOn(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byTestBits)
 {
-    BYTE    byOrgData;
+    unsigned char byOrgData;
 
     byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
     return (byOrgData & byTestBits) == byTestBits;
@@ -245,9 +245,9 @@
  * Return Value: TRUE if all test bits off; otherwise FALSE
  *
  */
-BOOL SROMbIsRegBitsOff(unsigned long dwIoBase, BYTE byContntOffset, BYTE byTestBits)
+BOOL SROMbIsRegBitsOff(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byTestBits)
 {
-    BYTE    byOrgData;
+    unsigned char byOrgData;
 
     byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
     return !(byOrgData & byTestBits);
@@ -272,7 +272,7 @@
 
     /* ii = Rom Address */
     for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
-        *pbyEepromRegs = SROMbyReadEmbedded(dwIoBase,(BYTE) ii);
+        *pbyEepromRegs = SROMbyReadEmbedded(dwIoBase,(unsigned char) ii);
         pbyEepromRegs++;
     }
 }
@@ -297,7 +297,7 @@
 
     /* ii = Rom Address */
     for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
-        SROMbWriteEmbedded(dwIoBase,(BYTE) ii, *pbyEepromRegs);
+        SROMbWriteEmbedded(dwIoBase,(unsigned char) ii, *pbyEepromRegs);
         pbyEepromRegs++;
     }
 }
@@ -317,7 +317,7 @@
  */
 void SROMvReadEtherAddress(unsigned long dwIoBase, unsigned char *pbyEtherAddress)
 {
-    BYTE     ii;
+    unsigned char ii;
 
     /* ii = Rom Address */
     for (ii = 0; ii < ETH_ALEN; ii++) {
@@ -342,7 +342,7 @@
  */
 void SROMvWriteEtherAddress(unsigned long dwIoBase, unsigned char *pbyEtherAddress)
 {
-    BYTE     ii;
+    unsigned char ii;
 
     /* ii = Rom Address */
     for (ii = 0; ii < ETH_ALEN; ii++) {
@@ -391,10 +391,10 @@
  */
 BOOL SROMbAutoLoad(unsigned long dwIoBase)
 {
-    BYTE    byWait;
+    unsigned char byWait;
     int     ii;
 
-    BYTE    byOrg;
+    unsigned char byOrg;
 
     VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
     /* turn on hardware retry */
diff --git a/drivers/staging/vt6655/srom.h b/drivers/staging/vt6655/srom.h
index e735563..65a4b48 100644
--- a/drivers/staging/vt6655/srom.h
+++ b/drivers/staging/vt6655/srom.h
@@ -97,34 +97,34 @@
 //      2048 bits = 256 bytes = 128 words
 //
 typedef struct tagSSromReg {
-    BYTE    abyPAR[6];                  // 0x00 (unsigned short)
+    unsigned char abyPAR[6];                  // 0x00 (unsigned short)
 
     unsigned short wSUB_VID;                   // 0x03 (unsigned short)
     unsigned short wSUB_SID;
 
-    BYTE    byBCFG0;                    // 0x05 (unsigned short)
-    BYTE    byBCFG1;
+    unsigned char byBCFG0;                    // 0x05 (unsigned short)
+    unsigned char byBCFG1;
 
-    BYTE    byFCR0;                     // 0x06 (unsigned short)
-    BYTE    byFCR1;
-    BYTE    byPMC0;                     // 0x07 (unsigned short)
-    BYTE    byPMC1;
-    BYTE    byMAXLAT;                   // 0x08 (unsigned short)
-    BYTE    byMINGNT;
-    BYTE    byCFG0;                     // 0x09 (unsigned short)
-    BYTE    byCFG1;
+    unsigned char byFCR0;                     // 0x06 (unsigned short)
+    unsigned char byFCR1;
+    unsigned char byPMC0;                     // 0x07 (unsigned short)
+    unsigned char byPMC1;
+    unsigned char byMAXLAT;                   // 0x08 (unsigned short)
+    unsigned char byMINGNT;
+    unsigned char byCFG0;                     // 0x09 (unsigned short)
+    unsigned char byCFG1;
     unsigned short wCISPTR;                    // 0x0A (unsigned short)
     unsigned short wRsv0;                      // 0x0B (unsigned short)
     unsigned short wRsv1;                      // 0x0C (unsigned short)
-    BYTE    byBBPAIR;                   // 0x0D (unsigned short)
-    BYTE    byRFTYPE;
-    BYTE    byMinChannel;               // 0x0E (unsigned short)
-    BYTE    byMaxChannel;
-    BYTE    bySignature;                // 0x0F (unsigned short)
-    BYTE    byCheckSum;
+    unsigned char byBBPAIR;                   // 0x0D (unsigned short)
+    unsigned char byRFTYPE;
+    unsigned char byMinChannel;               // 0x0E (unsigned short)
+    unsigned char byMaxChannel;
+    unsigned char bySignature;                // 0x0F (unsigned short)
+    unsigned char byCheckSum;
 
-    BYTE    abyReserved0[96];           // 0x10 (unsigned short)
-    BYTE    abyCIS[128];                // 0x80 (unsigned short)
+    unsigned char abyReserved0[96];           // 0x10 (unsigned short)
+    unsigned char abyCIS[128];                // 0x80 (unsigned short)
 } SSromReg, *PSSromReg;
 
 /*---------------------  Export Macros ------------------------------*/
@@ -135,14 +135,14 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-BYTE SROMbyReadEmbedded(unsigned long dwIoBase, BYTE byContntOffset);
-BOOL SROMbWriteEmbedded(unsigned long dwIoBase, BYTE byContntOffset, BYTE byData);
+unsigned char SROMbyReadEmbedded(unsigned long dwIoBase, unsigned char byContntOffset);
+BOOL SROMbWriteEmbedded(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byData);
 
-void SROMvRegBitsOn(unsigned long dwIoBase, BYTE byContntOffset, BYTE byBits);
-void SROMvRegBitsOff(unsigned long dwIoBase, BYTE byContntOffset, BYTE byBits);
+void SROMvRegBitsOn(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byBits);
+void SROMvRegBitsOff(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byBits);
 
-BOOL SROMbIsRegBitsOn(unsigned long dwIoBase, BYTE byContntOffset, BYTE byTestBits);
-BOOL SROMbIsRegBitsOff(unsigned long dwIoBase, BYTE byContntOffset, BYTE byTestBits);
+BOOL SROMbIsRegBitsOn(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byTestBits);
+BOOL SROMbIsRegBitsOff(unsigned long dwIoBase, unsigned char byContntOffset, unsigned char byTestBits);
 
 void SROMvReadAllContents(unsigned long dwIoBase, unsigned char *pbyEepromRegs);
 void SROMvWriteAllContents(unsigned long dwIoBase, unsigned char *pbyEepromRegs);
diff --git a/drivers/staging/vt6655/tcrc.c b/drivers/staging/vt6655/tcrc.c
index 2d5504b..f9c28bf8 100644
--- a/drivers/staging/vt6655/tcrc.c
+++ b/drivers/staging/vt6655/tcrc.c
@@ -138,7 +138,7 @@
 
     dwCrc = dwCrcSeed;
     while (cbByte--) {
-        dwCrc = s_adwCrc32Table[(BYTE)((dwCrc ^ (*pbyData)) & 0xFF)] ^ (dwCrc >> 8);
+        dwCrc = s_adwCrc32Table[(unsigned char)((dwCrc ^ (*pbyData)) & 0xFF)] ^ (dwCrc >> 8);
         pbyData++;
     }
 
diff --git a/drivers/staging/vt6655/tether.c b/drivers/staging/vt6655/tether.c
index 0036259..ca767c2 100644
--- a/drivers/staging/vt6655/tether.c
+++ b/drivers/staging/vt6655/tether.c
@@ -61,14 +61,14 @@
  * Return Value: Hash value
  *
  */
-BYTE ETHbyGetHashIndexByCrc32 (unsigned char *pbyMultiAddr)
+unsigned char ETHbyGetHashIndexByCrc32 (unsigned char *pbyMultiAddr)
 {
     int     ii;
-    BYTE    byTmpHash;
-    BYTE    byHash = 0;
+    unsigned char byTmpHash;
+    unsigned char byHash = 0;
 
     // get the least 6-bits from CRC generator
-    byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
+    byTmpHash = (unsigned char)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
             0xFFFFFFFFL) & 0x3F);
     // reverse most bit to least bit
     for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index ad749e4..337db66 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -154,8 +154,8 @@
 // Ethernet packet
 //
 typedef struct tagSEthernetHeader {
-    BYTE    abyDstAddr[ETH_ALEN];
-    BYTE    abySrcAddr[ETH_ALEN];
+    unsigned char abyDstAddr[ETH_ALEN];
+    unsigned char abySrcAddr[ETH_ALEN];
     unsigned short wType;
 }__attribute__ ((__packed__))
 SEthernetHeader, *PSEthernetHeader;
@@ -165,8 +165,8 @@
 // 802_3 packet
 //
 typedef struct tagS802_3Header {
-    BYTE    abyDstAddr[ETH_ALEN];
-    BYTE    abySrcAddr[ETH_ALEN];
+    unsigned char abyDstAddr[ETH_ALEN];
+    unsigned char abySrcAddr[ETH_ALEN];
     unsigned short wLen;
 }__attribute__ ((__packed__))
 S802_3Header, *PS802_3Header;
@@ -177,11 +177,11 @@
 typedef struct tagS802_11Header {
     unsigned short wFrameCtl;
     unsigned short wDurationID;
-    BYTE    abyAddr1[ETH_ALEN];
-    BYTE    abyAddr2[ETH_ALEN];
-    BYTE    abyAddr3[ETH_ALEN];
+    unsigned char abyAddr1[ETH_ALEN];
+    unsigned char abyAddr2[ETH_ALEN];
+    unsigned char abyAddr3[ETH_ALEN];
     unsigned short wSeqCtl;
-    BYTE    abyAddr4[ETH_ALEN];
+    unsigned char abyAddr4[ETH_ALEN];
 }__attribute__ ((__packed__))
 S802_11Header, *PS802_11Header;
 
@@ -193,8 +193,8 @@
 
 /*---------------------  Export Functions  --------------------------*/
 
-BYTE ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr);
-//BYTE ETHbyGetHashIndexByCrc(unsigned char *pbyMultiAddr);
+unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr);
+//unsigned char ETHbyGetHashIndexByCrc(unsigned char *pbyMultiAddr);
 BOOL ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength);
 
 #endif // __TETHER_H__
diff --git a/drivers/staging/vt6655/tkip.c b/drivers/staging/vt6655/tkip.c
index 4d97c51..ed3eac1 100644
--- a/drivers/staging/vt6655/tkip.c
+++ b/drivers/staging/vt6655/tkip.c
@@ -55,7 +55,7 @@
 /* The 2nd table is the same as the 1st but with the upper and lower   */
 /* bytes swapped. To allow an endian tolerant implementation, the byte */
 /* halves have been expressed independently here.                      */
-const BYTE TKIP_Sbox_Lower[256] = {
+const unsigned char TKIP_Sbox_Lower[256] = {
     0xA5,0x84,0x99,0x8D,0x0D,0xBD,0xB1,0x54,
     0x50,0x03,0xA9,0x7D,0x19,0x62,0xE6,0x9A,
     0x45,0x9D,0x40,0x87,0x15,0xEB,0xC9,0x0B,
@@ -90,7 +90,7 @@
     0xC3,0xB0,0x77,0x11,0xCB,0xFC,0xD6,0x3A
 };
 
-const BYTE TKIP_Sbox_Upper[256] = {
+const unsigned char TKIP_Sbox_Upper[256] = {
     0xC6,0xF8,0xEE,0xF6,0xFF,0xD6,0xDE,0x91,
     0x60,0x02,0xCE,0x56,0xE7,0xB5,0x4D,0xEC,
     0x8F,0x1F,0x89,0xFA,0xEF,0xB2,0x8E,0xFB,
diff --git a/drivers/staging/vt6655/tmacro.h b/drivers/staging/vt6655/tmacro.h
index 0c49430..e8b177d 100644
--- a/drivers/staging/vt6655/tmacro.h
+++ b/drivers/staging/vt6655/tmacro.h
@@ -34,10 +34,10 @@
 /****** Common helper macros ***********************************************/
 
 #if !defined(LOBYTE)
-#define LOBYTE(w)           ((BYTE)(w))
+#define LOBYTE(w)           ((unsigned char)(w))
 #endif
 #if !defined(HIBYTE)
-#define HIBYTE(w)           ((BYTE)(((unsigned short)(w) >> 8) & 0xFF))
+#define HIBYTE(w)           ((unsigned char)(((unsigned short)(w) >> 8) & 0xFF))
 #endif
 
 #if !defined(LOWORD)
@@ -51,7 +51,7 @@
 #define HIDWORD(q)          ((q).u.dwHighDword)
 
 #if !defined(MAKEWORD)
-#define MAKEWORD(lb, hb)    ((unsigned short)(((BYTE)(lb)) | (((unsigned short)((BYTE)(hb))) << 8)))
+#define MAKEWORD(lb, hb)    ((unsigned short)(((unsigned char)(lb)) | (((unsigned short)((unsigned char)(hb))) << 8)))
 #endif
 #if !defined(MAKEDWORD)
 #define MAKEDWORD(lw, hw)   ((unsigned long)(((unsigned short)(lw)) | (((unsigned long)((unsigned short)(hw))) << 16)))
diff --git a/drivers/staging/vt6655/ttype.h b/drivers/staging/vt6655/ttype.h
index 6f2e1be..ed6d747 100644
--- a/drivers/staging/vt6655/ttype.h
+++ b/drivers/staging/vt6655/ttype.h
@@ -68,8 +68,6 @@
  * but it doesn't matter if they're signed or unsigned.
  */
 
-typedef unsigned char   BYTE;           //  8-bit
-
 // QWORD is for those situation that we want
 // an 8-byte-aligned 8 byte long structure
 // which is NOT really a floating point number.
diff --git a/drivers/staging/vt6655/upc.h b/drivers/staging/vt6655/upc.h
index 633449f..9596fde 100644
--- a/drivers/staging/vt6655/upc.h
+++ b/drivers/staging/vt6655/upc.h
@@ -76,7 +76,7 @@
 
 
 #define VNSvInPortB(dwIOAddress, pbyData) {                     \
-	volatile BYTE* pbyAddr = ((unsigned char *)(dwIOAddress));            \
+	volatile unsigned char * pbyAddr = ((unsigned char *)(dwIOAddress));            \
 	*(pbyData) = readb(pbyAddr);                           \
 }
 
@@ -93,8 +93,8 @@
 
 
 #define VNSvOutPortB(dwIOAddress, byData) {                     \
-    volatile BYTE* pbyAddr = ((unsigned char *)(dwIOAddress));            \
-    writeb((BYTE)byData, pbyAddr);							\
+    volatile unsigned char * pbyAddr = ((unsigned char *)(dwIOAddress));            \
+    writeb((unsigned char)byData, pbyAddr);							\
 }
 
 
@@ -140,7 +140,7 @@
 
 
 #define PCAvDelayByIO(uDelayUnit) {             \
-    BYTE    byData;                             \
+    unsigned char byData;                       \
     unsigned long ii;                           \
                                                 \
     if (uDelayUnit <= 50) {                     \
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c
index 23af1b5..e8678fc 100644
--- a/drivers/staging/vt6655/vntwifi.c
+++ b/drivers/staging/vt6655/vntwifi.c
@@ -202,14 +202,14 @@
  * Return Value: max support rate
  *
 -*/
-BYTE
+unsigned char
 VNTWIFIbyGetMaxSupportRate (
     PWLAN_IE_SUPP_RATES pSupportRateIEs,
     PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     )
 {
-    BYTE    byMaxSupportRate = RATE_1M;
-    BYTE    bySupportRate = RATE_1M;
+    unsigned char byMaxSupportRate = RATE_1M;
+    unsigned char bySupportRate = RATE_1M;
     unsigned int ii = 0;
 
     if (pSupportRateIEs) {
@@ -248,15 +248,15 @@
  * Return Value: max support rate
  *
 -*/
-BYTE
+unsigned char
 VNTWIFIbyGetACKTxRate (
-    BYTE byRxDataRate,
+    unsigned char byRxDataRate,
     PWLAN_IE_SUPP_RATES pSupportRateIEs,
     PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     )
 {
-    BYTE    byMaxAckRate;
-    BYTE    byBasicRate;
+    unsigned char byMaxAckRate;
+    unsigned char byBasicRate;
     unsigned int ii;
 
     if (byRxDataRate <= RATE_11M) {
@@ -542,9 +542,9 @@
     PSMgmtObject        pMgmt = (PSMgmtObject)pMgmtHandle;
     unsigned int uNodeIndex = 0;
     unsigned short wTxDataRate = RATE_1M;
-    BYTE                byACKRate = RATE_1M;
-    BYTE                byCCKBasicRate = RATE_1M;
-    BYTE                byOFDMBasicRate = RATE_24M;
+    unsigned char byACKRate = RATE_1M;
+    unsigned char byCCKBasicRate = RATE_1M;
+    unsigned char byOFDMBasicRate = RATE_24M;
     PWLAN_IE_SUPP_RATES pSupportRateIEs = NULL;
     PWLAN_IE_SUPP_RATES pExtSupportRateIEs = NULL;
 
@@ -579,12 +579,12 @@
         pSupportRateIEs = (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrSuppRates;
         pExtSupportRateIEs = (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrExtSuppRates;
     }
-    byACKRate = VNTWIFIbyGetACKTxRate(  (BYTE) wTxDataRate,
+    byACKRate = VNTWIFIbyGetACKTxRate(  (unsigned char) wTxDataRate,
                                         pSupportRateIEs,
                                         pExtSupportRateIEs
                                         );
-    if (byACKRate > (BYTE) wTxDataRate) {
-        byACKRate = (BYTE) wTxDataRate;
+    if (byACKRate > (unsigned char) wTxDataRate) {
+        byACKRate = (unsigned char) wTxDataRate;
     }
     byCCKBasicRate = VNTWIFIbyGetACKTxRate( RATE_11M,
                                             pSupportRateIEs,
@@ -601,7 +601,7 @@
     return;
 }
 
-BYTE
+unsigned char
 VNTWIFIbyGetKeyCypher(
     void *pMgmtHandle,
     BOOL     bGroupKey
@@ -718,9 +718,9 @@
     void *pMgmtObject,
     BOOL  bEndOfReport,
     void *pvMeasureEID,
-    BYTE  byReportMode,
-    BYTE  byBasicMap,
-    BYTE  byCCAFraction,
+    unsigned char byReportMode,
+    unsigned char byBasicMap,
+    unsigned char byCCAFraction,
     unsigned char *pbyRPIs
     )
 {
@@ -776,7 +776,7 @@
 BOOL
 VNTWIFIbChannelSwitch(
     void *pMgmtObject,
-    BYTE  byNewChannel
+    unsigned char byNewChannel
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
@@ -792,16 +792,16 @@
 BOOL
 VNTWIFIbRadarPresent(
     void *pMgmtObject,
-    BYTE  byChannel
+    unsigned char byChannel
     )
 {
     PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
     if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
-        (byChannel == (BYTE) pMgmt->uCurrChannel) &&
+        (byChannel == (unsigned char) pMgmt->uCurrChannel) &&
         (pMgmt->bSwitchChannel != TRUE) &&
         (pMgmt->b11hEnable == TRUE)) {
         if (!compare_ether_addr(pMgmt->abyIBSSDFSOwner, CARDpGetCurrentAddress(pMgmt->pAdapter))) {
-            pMgmt->byNewChannel = CARDbyAutoChannelSelect(pMgmt->pAdapter,(BYTE) pMgmt->uCurrChannel);
+            pMgmt->byNewChannel = CARDbyAutoChannelSelect(pMgmt->pAdapter,(unsigned char) pMgmt->uCurrChannel);
             pMgmt->bSwitchChannel = TRUE;
         }
         BEACONbSendBeacon(pMgmt);
diff --git a/drivers/staging/vt6655/vntwifi.h b/drivers/staging/vt6655/vntwifi.h
index 67f7ac8..25f90f3 100644
--- a/drivers/staging/vt6655/vntwifi.h
+++ b/drivers/staging/vt6655/vntwifi.h
@@ -169,15 +169,15 @@
     void *pMgmtHandle
     );
 
-BYTE
+unsigned char
 VNTWIFIbyGetMaxSupportRate (
     PWLAN_IE_SUPP_RATES pSupportRateIEs,
     PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     );
 
-BYTE
+unsigned char
 VNTWIFIbyGetACKTxRate (
-    BYTE byRxDataRate,
+    unsigned char byRxDataRate,
     PWLAN_IE_SUPP_RATES pSupportRateIEs,
     PWLAN_IE_SUPP_RATES pExtSupportRateIEs
     );
@@ -253,7 +253,7 @@
     );
 */
 
-BYTE
+unsigned char
 VNTWIFIbyGetKeyCypher(
     void *pMgmtHandle,
     BOOL     bGroupKey
@@ -291,22 +291,22 @@
     void *pMgmtObject,
     BOOL  bEndOfReport,
     void *pvMeasureEID,
-    BYTE  byReportMode,
-    BYTE  byBasicMap,
-    BYTE  byCCAFraction,
+    unsigned char byReportMode,
+    unsigned char byBasicMap,
+    unsigned char byCCAFraction,
     unsigned char *pbyRPIs
     );
 
 BOOL
 VNTWIFIbChannelSwitch(
     void *pMgmtObject,
-    BYTE  byNewChannel
+    unsigned char byNewChannel
     );
 /*
 BOOL
 VNTWIFIbRadarPresent(
     void *pMgmtObject,
-    BYTE  byChannel
+    unsigned char byChannel
     );
 */
 
diff --git a/drivers/staging/vt6655/wcmd.c b/drivers/staging/vt6655/wcmd.c
index 5d2ee26..b8e9d8e 100644
--- a/drivers/staging/vt6655/wcmd.c
+++ b/drivers/staging/vt6655/wcmd.c
@@ -209,11 +209,11 @@
     )
 {
                                                      //1M,   2M,   5M,   11M,  18M,  24M,  36M,  54M
-    BYTE abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
-    BYTE abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
+    unsigned char abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
+    unsigned char abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
                                                            //6M,   9M,   12M,  48M
-    BYTE abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
-    BYTE abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
+    unsigned char abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
+    unsigned char abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
     unsigned char *pbyRate;
     PSTxMgmtPacket  pTxPacket;
     PSMgmtObject    pMgmt = pDevice->pMgmt;
@@ -349,7 +349,7 @@
     PWLAN_IE_SSID   pItemSSIDCurr;
     CMD_STATUS      Status;
     unsigned int ii;
-    BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+    unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
     struct sk_buff  *skb;
 
 
diff --git a/drivers/staging/vt6655/wcmd.h b/drivers/staging/vt6655/wcmd.h
index a67c7fd..dccd009 100644
--- a/drivers/staging/vt6655/wcmd.h
+++ b/drivers/staging/vt6655/wcmd.h
@@ -75,7 +75,7 @@
 
 typedef struct tagCMD_ITEM {
     CMD_CODE eCmd;
-    BYTE     abyCmdDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+    unsigned char abyCmdDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
     BOOL     bNeedRadioOFF;
     unsigned short wDeAuthenReason;
     BOOL     bRadioCmd;
diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index d3a516a..3f7600c 100644
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -96,7 +96,7 @@
 //2008-8-4 <add> by chester
 static BOOL ChannelExceedZoneType(
     PSDevice pDevice,
-    BYTE byCurrChannel
+    unsigned char byCurrChannel
     );
 
 // Association/diassociation functions
@@ -295,7 +295,7 @@
     unsigned char *pCurrBSSID,
     PWLAN_IE_SUPP_RATES pCurrSuppRates,
     PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
-    BYTE byPHYType
+    unsigned char byPHYType
     );
 
 // received status
@@ -693,8 +693,8 @@
     unsigned short wAssocStatus = 0;
     unsigned short wAssocAID = 0;
     unsigned int uRateLen = WLAN_RATES_MAXLEN;
-    BYTE                abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    BYTE                abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 
 
     if (pMgmt->eCurrMode != WMAC_MODE_ESS_AP)
@@ -855,8 +855,8 @@
     unsigned short wAssocStatus = 0;
     unsigned short wAssocAID = 0;
     unsigned int	uRateLen = WLAN_RATES_MAXLEN;
-    BYTE                abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    BYTE                abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 
     if (pMgmt->eCurrMode != WMAC_MODE_ESS_AP)
         return;
@@ -1076,7 +1076,7 @@
 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 	//if(pDevice->bWPADevEnable == TRUE)
 		{
-		BYTE buf[512];
+		unsigned char buf[512];
 		size_t len;
 		union iwreq_data  wrqu;
 		int we_event;
@@ -1829,7 +1829,7 @@
 static BOOL
 ChannelExceedZoneType(
     PSDevice pDevice,
-    BYTE byCurrChannel
+    unsigned char byCurrChannel
     )
 {
   BOOL exceed=FALSE;
@@ -1884,19 +1884,19 @@
     BOOL                bIsAPBeacon = FALSE;
     BOOL                bIsChannelEqual = FALSE;
     unsigned int uLocateByteIndex;
-    BYTE                byTIMBitOn = 0;
+    unsigned char byTIMBitOn = 0;
     unsigned short wAIDNumber = 0;
     unsigned int uNodeIndex;
     QWORD               qwTimestamp, qwLocalTSF;
     QWORD               qwCurrTSF;
     unsigned short wStartIndex = 0;
     unsigned short wAIDIndex = 0;
-    BYTE                byCurrChannel = pRxPacket->byRxChannel;
+    unsigned char byCurrChannel = pRxPacket->byRxChannel;
     ERPObject           sERP;
     unsigned int uRateLen = WLAN_RATES_MAXLEN;
     BOOL                bChannelHit = FALSE;
     BOOL                bUpdatePhyParameter = FALSE;
-    BYTE                byIEChannel = 0;
+    unsigned char byIEChannel = 0;
 
 
     memset(&sFrame, 0, sizeof(WLAN_FR_BEACON));
@@ -1994,7 +1994,7 @@
         return;
     }
 
-    if(byCurrChannel == (BYTE)pMgmt->uCurrChannel)
+    if(byCurrChannel == (unsigned char)pMgmt->uCurrChannel)
        bIsChannelEqual = TRUE;
 
     if (bIsChannelEqual && (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
@@ -2116,7 +2116,7 @@
             }
             if (sFrame.pIE_PowerConstraint != NULL) {
                 CARDvSetPowerConstraint(pMgmt->pAdapter,
-                                        (BYTE) pBSSList->uChannel,
+                                        (unsigned char) pBSSList->uChannel,
                                         sFrame.pIE_PowerConstraint->byPower
                                         );
             }
@@ -2395,13 +2395,13 @@
     PSMgmtObject        pMgmt = pDevice->pMgmt;
     unsigned short wMaxBasicRate;
     unsigned short wMaxSuppRate;
-    BYTE                byTopCCKBasicRate;
-    BYTE                byTopOFDMBasicRate;
+    unsigned char byTopCCKBasicRate;
+    unsigned char byTopOFDMBasicRate;
     QWORD               qwCurrTSF;
     unsigned int ii;
-    BYTE    abyRATE[] = {0x82, 0x84, 0x8B, 0x96, 0x24, 0x30, 0x48, 0x6C, 0x0C, 0x12, 0x18, 0x60};
-    BYTE    abyCCK_RATE[] = {0x82, 0x84, 0x8B, 0x96};
-    BYTE    abyOFDM_RATE[] = {0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
+    unsigned char abyRATE[] = {0x82, 0x84, 0x8B, 0x96, 0x24, 0x30, 0x48, 0x6C, 0x0C, 0x12, 0x18, 0x60};
+    unsigned char abyCCK_RATE[] = {0x82, 0x84, 0x8B, 0x96};
+    unsigned char abyOFDM_RATE[] = {0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
     unsigned short wSuppRate;
 
     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create Basic Service Set .......\n");
@@ -2534,12 +2534,12 @@
     if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
 
         // BSSID selected must be randomized as spec 11.1.3
-        pMgmt->abyCurrBSSID[5] = (BYTE) (LODWORD(qwCurrTSF)& 0x000000ff);
-        pMgmt->abyCurrBSSID[4] = (BYTE)((LODWORD(qwCurrTSF)& 0x0000ff00) >> 8);
-        pMgmt->abyCurrBSSID[3] = (BYTE)((LODWORD(qwCurrTSF)& 0x00ff0000) >> 16);
-        pMgmt->abyCurrBSSID[2] = (BYTE)((LODWORD(qwCurrTSF)& 0x00000ff0) >> 4);
-        pMgmt->abyCurrBSSID[1] = (BYTE)((LODWORD(qwCurrTSF)& 0x000ff000) >> 12);
-        pMgmt->abyCurrBSSID[0] = (BYTE)((LODWORD(qwCurrTSF)& 0x0ff00000) >> 20);
+        pMgmt->abyCurrBSSID[5] = (unsigned char) (LODWORD(qwCurrTSF)& 0x000000ff);
+        pMgmt->abyCurrBSSID[4] = (unsigned char)((LODWORD(qwCurrTSF)& 0x0000ff00) >> 8);
+        pMgmt->abyCurrBSSID[3] = (unsigned char)((LODWORD(qwCurrTSF)& 0x00ff0000) >> 16);
+        pMgmt->abyCurrBSSID[2] = (unsigned char)((LODWORD(qwCurrTSF)& 0x00000ff0) >> 4);
+        pMgmt->abyCurrBSSID[1] = (unsigned char)((LODWORD(qwCurrTSF)& 0x000ff000) >> 12);
+        pMgmt->abyCurrBSSID[0] = (unsigned char)((LODWORD(qwCurrTSF)& 0x0ff00000) >> 20);
         pMgmt->abyCurrBSSID[5] ^= pMgmt->abyMACAddr[0];
         pMgmt->abyCurrBSSID[4] ^= pMgmt->abyMACAddr[1];
         pMgmt->abyCurrBSSID[3] ^= pMgmt->abyMACAddr[2];
@@ -2670,8 +2670,8 @@
     unsigned short wMaxBasicRate = RATE_1M;
     unsigned short wMaxSuppRate = RATE_1M;
     unsigned short wSuppRate;
-    BYTE            byTopCCKBasicRate = RATE_1M;
-    BYTE            byTopOFDMBasicRate = RATE_1M;
+    unsigned char byTopCCKBasicRate = RATE_1M;
+    unsigned char byTopOFDMBasicRate = RATE_1M;
 
 
     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
@@ -2771,9 +2771,9 @@
                     if (pItemExtRates->len <= ii)
                         break;
                 }
-                pItemRates->len += (BYTE)ii;
+                pItemRates->len += (unsigned char)ii;
                 if (pItemExtRates->len - ii > 0) {
-                    pItemExtRates->len -= (BYTE)ii;
+                    pItemExtRates->len -= (unsigned char)ii;
                     for (uu = 0; uu < pItemExtRates->len; uu ++) {
                         pItemExtRates->abyRates[uu] = pItemExtRates->abyRates[uu + ii];
                     }
@@ -2933,11 +2933,11 @@
     PSMgmtObject  pMgmt = pDevice->pMgmt;
 //    int     ii;
                                                      //1M,   2M,   5M,   11M,  18M,  24M,  36M,  54M
-    BYTE abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
-    BYTE abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
+    unsigned char abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C};
+    unsigned char abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60};
                                                            //6M,   9M,   12M,  48M
-    BYTE abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
-    BYTE abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
+    unsigned char abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C};
+    unsigned char abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16};
 
 
     *pStatus = CMD_STATUS_FAILURE;
@@ -3152,8 +3152,8 @@
     PWLAN_IE_TIM pTIM
     )
 {
-    BYTE        byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
-    BYTE        byMap;
+    unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+    unsigned char byMap;
     unsigned int ii, jj;
     BOOL        bStartFound = FALSE;
     BOOL        bMulticast = FALSE;
@@ -3237,7 +3237,7 @@
 {
     PSTxMgmtPacket      pTxPacket = NULL;
     WLAN_FR_BEACON      sFrame;
-    BYTE                abyBroadcastAddr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+    unsigned char abyBroadcastAddr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
     unsigned char *pbyBuffer;
     unsigned int uLength = 0;
     PWLAN_IE_IBSS_DFS   pIBSSDFS = NULL;
@@ -3287,7 +3287,7 @@
         sFrame.len += (1) + WLAN_IEHDR_LEN;
         sFrame.pDSParms->byElementID = WLAN_EID_DS_PARMS;
         sFrame.pDSParms->len = 1;
-        sFrame.pDSParms->byCurrChannel = (BYTE)uCurrChannel;
+        sFrame.pDSParms->byCurrChannel = (unsigned char)uCurrChannel;
     }
     // TIM field
     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
@@ -3463,7 +3463,7 @@
     unsigned char *pCurrBSSID,
     PWLAN_IE_SUPP_RATES pCurrSuppRates,
     PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
-    BYTE byPHYType
+    unsigned char byPHYType
     )
 {
     PSTxMgmtPacket      pTxPacket = NULL;
@@ -3519,7 +3519,7 @@
         sFrame.len += (1) + WLAN_IEHDR_LEN;
         sFrame.pDSParms->byElementID = WLAN_EID_DS_PARMS;
         sFrame.pDSParms->len = 1;
-        sFrame.pDSParms->byCurrChannel = (BYTE)uCurrChannel;
+        sFrame.pDSParms->byCurrChannel = (unsigned char)uCurrChannel;
     }
 
     if (pMgmt->eCurrMode != WMAC_MODE_ESS_AP) {
@@ -4323,9 +4323,9 @@
 {
     PKnownBSS           pBSSList = NULL;
     WLAN_FR_PROBERESP   sFrame;
-    BYTE                byCurrChannel = pRxPacket->byRxChannel;
+    unsigned char byCurrChannel = pRxPacket->byRxChannel;
     ERPObject           sERP;
-    BYTE                byIEChannel = 0;
+    unsigned char byIEChannel = 0;
     BOOL                bChannelHit = TRUE;
 
 
@@ -4449,7 +4449,7 @@
     WLAN_FR_PROBEREQ    sFrame;
     CMD_STATUS          Status;
     PSTxMgmtPacket      pTxPacket;
-    BYTE                byPHYType = BB_TYPE_11B;
+    unsigned char byPHYType = BB_TYPE_11B;
 
     // STA in Ad-hoc mode: when latest TBTT beacon transmit success,
     // STA have to response this request.
@@ -4890,8 +4890,8 @@
     unsigned char *pbyCCSGK
     )
 {
-    BYTE byMulticastCipher = KEY_CTL_INVALID;
-    BYTE byCipherMask = 0x00;
+    unsigned char byMulticastCipher = KEY_CTL_INVALID;
+    unsigned char byCipherMask = 0x00;
     int i;
 
     if (pBSSNode == NULL)
diff --git a/drivers/staging/vt6655/wmgr.h b/drivers/staging/vt6655/wmgr.h
index badf69d..31ff256 100644
--- a/drivers/staging/vt6655/wmgr.h
+++ b/drivers/staging/vt6655/wmgr.h
@@ -120,10 +120,10 @@
 
 typedef struct tagSAssocInfo {
     NDIS_802_11_ASSOCIATION_INFORMATION     AssocInfo;
-    BYTE                                    abyIEs[WLAN_BEACON_FR_MAXLEN+WLAN_BEACON_FR_MAXLEN];
+    unsigned char abyIEs[WLAN_BEACON_FR_MAXLEN+WLAN_BEACON_FR_MAXLEN];
     // store ReqIEs set by OID_802_11_ASSOCIATION_INFORMATION
     unsigned long RequestIELength;
-    BYTE                                    abyReqIEs[WLAN_BEACON_FR_MAXLEN];
+    unsigned char abyReqIEs[WLAN_BEACON_FR_MAXLEN];
 } SAssocInfo, *PSAssocInfo;
 //---
 
@@ -238,9 +238,9 @@
     unsigned int cbMPDULen;
     unsigned int cbPayloadLen;
     unsigned int uRSSI;
-    BYTE                bySQ;
-    BYTE                byRxRate;
-    BYTE                byRxChannel;
+    unsigned char bySQ;
+    unsigned char byRxRate;
+    unsigned char byRxChannel;
 
 } SRxMgmtPacket, *PSRxMgmtPacket;
 
@@ -251,7 +251,7 @@
 
     void *                   pAdapter;
     // MAC address
-    BYTE                    abyMACAddr[WLAN_ADDR_LEN];
+    unsigned char abyMACAddr[WLAN_ADDR_LEN];
 
     // Configuration Mode
     WMAC_CONFIG_MODE        eConfigMode; // MAC pre-configed mode
@@ -264,40 +264,40 @@
     WMAC_BSS_STATE          eCurrState;  // MAC current BSS state
 
     PKnownBSS               pCurrBSS;
-    BYTE                    byCSSGK;
-    BYTE                    byCSSPK;
+    unsigned char byCSSGK;
+    unsigned char byCSSPK;
 
-//    BYTE                    abyNewSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
-//    BYTE                    abyNewExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
+//    unsigned char abyNewSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
+//    unsigned char abyNewExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
 
     // Current state vars
     unsigned int	uCurrChannel;
-    BYTE                    abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    BYTE                    abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    BYTE                    abyCurrSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-    BYTE                    abyCurrBSSID[WLAN_BSSID_LEN];
+    unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char abyCurrSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+    unsigned char abyCurrBSSID[WLAN_BSSID_LEN];
     unsigned short wCurrCapInfo;
     unsigned short wCurrAID;
     unsigned short wCurrATIMWindow;
     unsigned short wCurrBeaconPeriod;
     BOOL                    bIsDS;
-    BYTE                    byERPContext;
+    unsigned char byERPContext;
 
     CMD_STATE               eCommandState;
     unsigned int	uScanChannel;
 
     // Desire joinning BSS vars
-    BYTE                    abyDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-    BYTE                    abyDesireBSSID[WLAN_BSSID_LEN];
+    unsigned char abyDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+    unsigned char abyDesireBSSID[WLAN_BSSID_LEN];
 
     // Adhoc or AP configuration vars
-  //BYTE                    abyAdHocSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+  //unsigned char abyAdHocSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
     unsigned short wIBSSBeaconPeriod;
     unsigned short wIBSSATIMWindow;
     unsigned int	uIBSSChannel;
-    BYTE                    abyIBSSSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
-    BYTE                    byAPBBType;
-    BYTE                    abyWPAIE[MAX_WPA_IE_LEN];
+    unsigned char abyIBSSSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
+    unsigned char byAPBBType;
+    unsigned char abyWPAIE[MAX_WPA_IE_LEN];
     unsigned short wWPAIELen;
 
     unsigned int	uAssocCount;
@@ -311,21 +311,21 @@
     unsigned short wScanSteps;
     unsigned int	uScanBSSType;
     // Desire scannig vars
-    BYTE                    abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-    BYTE                    abyScanBSSID[WLAN_BSSID_LEN];
+    unsigned char abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
+    unsigned char abyScanBSSID[WLAN_BSSID_LEN];
 
     // Privacy
     WMAC_AUTHENTICATION_MODE eAuthenMode;
     WMAC_ENCRYPTION_MODE    eEncryptionMode;
     BOOL                    bShareKeyAlgorithm;
-    BYTE                    abyChallenge[WLAN_CHALLENGE_LEN];
+    unsigned char abyChallenge[WLAN_CHALLENGE_LEN];
     BOOL                    bPrivacyInvoked;
 
     // Received beacon state vars
     BOOL                    bInTIM;
     BOOL                    bMulticastTIM;
-    BYTE                    byDTIMCount;
-    BYTE                    byDTIMPeriod;
+    unsigned char byDTIMCount;
+    unsigned char byDTIMPeriod;
 
     // Power saving state vars
     WMAC_POWER_MODE         ePSMode;
@@ -333,9 +333,9 @@
     unsigned short wCountToWakeUp;
     BOOL                    bInTIMWake;
     unsigned char *pbyPSPacketPool;
-    BYTE                    byPSPacketPool[sizeof(STxMgmtPacket) + WLAN_NULLDATA_FR_MAXLEN];
+    unsigned char byPSPacketPool[sizeof(STxMgmtPacket) + WLAN_NULLDATA_FR_MAXLEN];
     BOOL                    bRxBeaconInTBTTWake;
-    BYTE                    abyPSTxMap[MAX_NODE_NUM + 1];
+    unsigned char abyPSTxMap[MAX_NODE_NUM + 1];
 
     // management command related
     unsigned int	uCmdBusy;
@@ -343,7 +343,7 @@
 
     // management packet pool
     unsigned char *pbyMgmtPacketPool;
-    BYTE                    byMgmtPacketPool[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
+    unsigned char byMgmtPacketPool[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
 
 
     // One second callback timer
@@ -379,14 +379,14 @@
     // for 802.11h
     BOOL                    b11hEnable;
     BOOL                    bSwitchChannel;
-    BYTE                    byNewChannel;
+    unsigned char byNewChannel;
     PWLAN_IE_MEASURE_REP    pCurrMeasureEIDRep;
     unsigned int	uLengthOfRepEIDs;
-    BYTE                    abyCurrentMSRReq[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
-    BYTE                    abyCurrentMSRRep[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
-    BYTE                    abyIECountry[WLAN_A3FR_MAXLEN];
-    BYTE                    abyIBSSDFSOwner[6];
-    BYTE                    byIBSSDFSRecovery;
+    unsigned char abyCurrentMSRReq[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
+    unsigned char abyCurrentMSRRep[sizeof(STxMgmtPacket) + WLAN_A3FR_MAXLEN];
+    unsigned char abyIECountry[WLAN_A3FR_MAXLEN];
+    unsigned char abyIBSSDFSOwner[6];
+    unsigned char byIBSSDFSRecovery;
 
     struct sk_buff  skb;
 
diff --git a/drivers/staging/vt6655/wpa.c b/drivers/staging/vt6655/wpa.c
index 64a4f5f..5ac4688 100644
--- a/drivers/staging/vt6655/wpa.c
+++ b/drivers/staging/vt6655/wpa.c
@@ -45,12 +45,12 @@
 /*---------------------  Static Variables  --------------------------*/
 static int          msglevel                =MSG_LEVEL_INFO;
 
-const BYTE abyOUI00[4] = { 0x00, 0x50, 0xf2, 0x00 };
-const BYTE abyOUI01[4] = { 0x00, 0x50, 0xf2, 0x01 };
-const BYTE abyOUI02[4] = { 0x00, 0x50, 0xf2, 0x02 };
-const BYTE abyOUI03[4] = { 0x00, 0x50, 0xf2, 0x03 };
-const BYTE abyOUI04[4] = { 0x00, 0x50, 0xf2, 0x04 };
-const BYTE abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 };
+const unsigned char abyOUI00[4] = { 0x00, 0x50, 0xf2, 0x00 };
+const unsigned char abyOUI01[4] = { 0x00, 0x50, 0xf2, 0x01 };
+const unsigned char abyOUI02[4] = { 0x00, 0x50, 0xf2, 0x02 };
+const unsigned char abyOUI03[4] = { 0x00, 0x50, 0xf2, 0x03 };
+const unsigned char abyOUI04[4] = { 0x00, 0x50, 0xf2, 0x04 };
+const unsigned char abyOUI05[4] = { 0x00, 0x50, 0xf2, 0x05 };
 
 
 /*+
@@ -148,7 +148,7 @@
         {
             j = 0;
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wPKCount: %d, sizeof(pBSSList->abyPKType): %zu\n", pRSN->wPKCount, sizeof(pBSSList->abyPKType));
-            for(i = 0; (i < pRSN->wPKCount) && (j < sizeof(pBSSList->abyPKType)/sizeof(BYTE)); i++) {
+            for(i = 0; (i < pRSN->wPKCount) && (j < sizeof(pBSSList->abyPKType)/sizeof(unsigned char)); i++) {
                 if(pRSN->len >= 12+i*4+4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*i)
                     if ( !memcmp(pRSN->PKSList[i].abyOUI, abyOUI00, 4))
                         pBSSList->abyPKType[j++] = WPA_NONE;
@@ -180,7 +180,7 @@
             j = 0;
             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wAuthCount: %d, sizeof(pBSSList->abyAuthType): %zu\n",
                           pIE_RSN_Auth->wAuthCount, sizeof(pBSSList->abyAuthType));
-            for(i = 0; (i < pIE_RSN_Auth->wAuthCount) && (j < sizeof(pBSSList->abyAuthType)/sizeof(BYTE)); i++) {
+            for(i = 0; (i < pIE_RSN_Auth->wAuthCount) && (j < sizeof(pBSSList->abyAuthType)/sizeof(unsigned char)); i++) {
                 if(pRSN->len >= 14+4+(m+i)*4) { //oui1(4)+ver(2)+GKS(4)+PKSCnt(2)+PKS(4*m)+AKC(2)+AKS(4*i)
                     if ( !memcmp(pIE_RSN_Auth->AuthKSList[i].abyOUI, abyOUI01, 4))
                         pBSSList->abyAuthType[j++] = WPA_AUTH_IEEE802_1X;
@@ -239,13 +239,13 @@
 -*/
 BOOL
 WPA_SearchRSN (
-    BYTE                byCmd,
-    BYTE                byEncrypt,
+    unsigned char byCmd,
+    unsigned char byEncrypt,
     PKnownBSS        pBSSList
     )
 {
     int ii;
-    BYTE byPKType = WPA_NONE;
+    unsigned char byPKType = WPA_NONE;
 
     if (pBSSList->bWPAValid == FALSE)
         return FALSE;
diff --git a/drivers/staging/vt6655/wpa.h b/drivers/staging/vt6655/wpa.h
index 80d990b..99b2e0e 100644
--- a/drivers/staging/vt6655/wpa.h
+++ b/drivers/staging/vt6655/wpa.h
@@ -71,8 +71,8 @@
 
 BOOL
 WPA_SearchRSN(
-    BYTE                byCmd,
-    BYTE                byEncrypt,
+    unsigned char byCmd,
+    unsigned char byEncrypt,
     PKnownBSS        pBSSList
     );
 
diff --git a/drivers/staging/vt6655/wpa2.c b/drivers/staging/vt6655/wpa2.c
index b970941..29f185c 100644
--- a/drivers/staging/vt6655/wpa2.c
+++ b/drivers/staging/vt6655/wpa2.c
@@ -42,14 +42,14 @@
 
 /*---------------------  Static Variables  --------------------------*/
 
-const BYTE abyOUIGK[4]      = { 0x00, 0x0F, 0xAC, 0x00 };
-const BYTE abyOUIWEP40[4]   = { 0x00, 0x0F, 0xAC, 0x01 };
-const BYTE abyOUIWEP104[4]  = { 0x00, 0x0F, 0xAC, 0x05 };
-const BYTE abyOUITKIP[4]    = { 0x00, 0x0F, 0xAC, 0x02 };
-const BYTE abyOUICCMP[4]    = { 0x00, 0x0F, 0xAC, 0x04 };
+const unsigned char abyOUIGK[4]      = { 0x00, 0x0F, 0xAC, 0x00 };
+const unsigned char abyOUIWEP40[4]   = { 0x00, 0x0F, 0xAC, 0x01 };
+const unsigned char abyOUIWEP104[4]  = { 0x00, 0x0F, 0xAC, 0x05 };
+const unsigned char abyOUITKIP[4]    = { 0x00, 0x0F, 0xAC, 0x02 };
+const unsigned char abyOUICCMP[4]    = { 0x00, 0x0F, 0xAC, 0x04 };
 
-const BYTE abyOUI8021X[4]   = { 0x00, 0x0F, 0xAC, 0x01 };
-const BYTE abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };
+const unsigned char abyOUI8021X[4]   = { 0x00, 0x0F, 0xAC, 0x01 };
+const unsigned char abyOUIPSK[4]     = { 0x00, 0x0F, 0xAC, 0x02 };
 
 
 /*---------------------  Static Functions  --------------------------*/
@@ -168,7 +168,7 @@
             j = 0;
             pbyOUI = &(pRSN->abyRSN[6]);
 
-            for (i = 0; (i < pBSSNode->wCSSPKCount) && (j < sizeof(pBSSNode->abyCSSPK)/sizeof(BYTE)); i++) {
+            for (i = 0; (i < pBSSNode->wCSSPKCount) && (j < sizeof(pBSSNode->abyCSSPK)/sizeof(unsigned char)); i++) {
 
                 if (pRSN->len >= 8+i*4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*i)
                     if ( !memcmp(pbyOUI, abyOUIGK, 4)) {
@@ -219,7 +219,7 @@
             pBSSNode->wAKMSSAuthCount = *((unsigned short *) &(pRSN->abyRSN[6+4*m]));;
             j = 0;
             pbyOUI = &(pRSN->abyRSN[8+4*m]);
-            for (i = 0; (i < pBSSNode->wAKMSSAuthCount) && (j < sizeof(pBSSNode->abyAKMSSAuthType)/sizeof(BYTE)); i++) {
+            for (i = 0; (i < pBSSNode->wAKMSSAuthCount) && (j < sizeof(pBSSNode->abyAKMSSAuthType)/sizeof(unsigned char)); i++) {
                 if (pRSN->len >= 10+(m+i)*4+4) { // ver(2)+GK(4)+PKCnt(2)+PKS(4*m)+AKMSS(2)+AKS(4*i)
                     if ( !memcmp(pbyOUI, abyOUI8021X, 4))
                         pBSSNode->abyAKMSSAuthType[j++] = WLAN_11i_AKMSS_802_1X;
diff --git a/drivers/staging/vt6655/wpa2.h b/drivers/staging/vt6655/wpa2.h
index b6b3768..718208b 100644
--- a/drivers/staging/vt6655/wpa2.h
+++ b/drivers/staging/vt6655/wpa2.h
@@ -40,8 +40,8 @@
 #define MAX_PMKID_CACHE         16
 
 typedef struct tagsPMKIDInfo {
-    BYTE    abyBSSID[6];
-    BYTE    abyPMKID[16];
+    unsigned char abyBSSID[6];
+    unsigned char abyPMKID[16];
 } PMKIDInfo, *PPMKIDInfo;
 
 typedef struct tagSPMKIDCache {
diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index 2c2d590..f34fdfc 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -204,11 +204,11 @@
     struct viawget_wpa_param *param=ctx;
     PSMgmtObject pMgmt = pDevice->pMgmt;
     unsigned long dwKeyIndex = 0;
-    BYTE    abyKey[MAX_KEY_LEN];
-    BYTE    abySeq[MAX_KEY_LEN];
+    unsigned char abyKey[MAX_KEY_LEN];
+    unsigned char abySeq[MAX_KEY_LEN];
     QWORD   KeyRSC;
 //    NDIS_802_11_KEY_RSC KeyRSC;
-    BYTE    byKeyDecMode = KEY_CTL_WEP;
+    unsigned char byKeyDecMode = KEY_CTL_WEP;
 	int ret = 0;
 	int uu, ii;
 
@@ -251,7 +251,7 @@
         }
         else {
             if (param->u.wpa_key.set_tx) {
-                pDevice->byKeyIndex = (BYTE)dwKeyIndex;
+                pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
                 pDevice->bTransmitKey = TRUE;
 		        dwKeyIndex |= (1 << 31);
             }
@@ -422,7 +422,7 @@
         }
     } // BSSID not 0xffffffffffff
     if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
-        pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
+        pDevice->byKeyIndex = (unsigned char)param->u.wpa_key.key_index;
         pDevice->bTransmitKey = TRUE;
     }
     pDevice->bEncryptionEnable = TRUE;
@@ -752,8 +752,8 @@
 {
     PSMgmtObject    pMgmt = pDevice->pMgmt;
     PWLAN_IE_SSID   pItemSSID;
-    BYTE    abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-    BYTE    abyWPAIE[64];
+    unsigned char abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+    unsigned char abyWPAIE[64];
     int ret = 0;
     BOOL bWepEnabled=FALSE;
 
diff --git a/drivers/staging/vt6655/wroute.c b/drivers/staging/vt6655/wroute.c
index 9af4aeb..2ec077e 100644
--- a/drivers/staging/vt6655/wroute.c
+++ b/drivers/staging/vt6655/wroute.c
@@ -71,7 +71,7 @@
     PSTxDesc        pHeadTD, pLastTD;
     unsigned int cbFrameBodySize;
     unsigned int uMACfragNum;
-    BYTE            byPktType;
+    unsigned char byPktType;
     BOOL            bNeedEncryption = FALSE;
     SKeyItem        STempKey;
     PSKeyItem       pTransmitKey = NULL;
@@ -132,7 +132,7 @@
     if (uMACfragNum > AVAIL_TD(pDevice,TYPE_AC0DMA)) {
         return FALSE;
     }
-    byPktType = (BYTE)pDevice->byPacketType;
+    byPktType = (unsigned char)pDevice->byPacketType;
 
     if (pDevice->bFixRate) {
         if (pDevice->eCurrentPHYType == PHY_TYPE_11B) {