diff --git a/drivers/staging/rtl8723bs/hal/hal_btcoex.c b/drivers/staging/rtl8723bs/hal/hal_btcoex.c
index 9e08a4de4895..86fee109e42d 100644
--- a/drivers/staging/rtl8723bs/hal/hal_btcoex.c
+++ b/drivers/staging/rtl8723bs/hal/hal_btcoex.c
@@ -419,10 +419,10 @@ static u8 halbtcoutsrc_Get(void *pBtcContext, u8 getType, void *pOutBuf)
 	padapter = pBtCoexist->Adapter;
 	pHalData = GET_HAL_DATA(padapter);
 	mlmeext = &padapter->mlmeextpriv;
-	pu8 = (u8 *)pOutBuf;
-	pS4Tmp = (s32 *)pOutBuf;
-	pU4Tmp = (u32 *)pOutBuf;
-	pU1Tmp = (u8 *)pOutBuf;
+	pu8 = pOutBuf;
+	pS4Tmp = pOutBuf;
+	pU4Tmp = pOutBuf;
+	pU1Tmp = pOutBuf;
 	ret = true;
 
 	switch (getType) {
@@ -585,9 +585,9 @@ static u8 halbtcoutsrc_Set(void *pBtcContext, u8 setType, void *pInBuf)
 	pBtCoexist = (PBTC_COEXIST)pBtcContext;
 	padapter = pBtCoexist->Adapter;
 	pHalData = GET_HAL_DATA(padapter);
-	pu8 = (u8 *)pInBuf;
-	pU1Tmp = (u8 *)pInBuf;
-	pU4Tmp = (u32 *)pInBuf;
+	pu8 = pInBuf;
+	pU1Tmp = pInBuf;
+	pU4Tmp = pInBuf;
 	ret = true;
 
 	if (!halbtcoutsrc_IsBtCoexistAvailable(pBtCoexist))
diff --git a/drivers/staging/rtl8723bs/hal/hal_com.c b/drivers/staging/rtl8723bs/hal/hal_com.c
index e3a98322f475..3e63b6d9c097 100644
--- a/drivers/staging/rtl8723bs/hal/hal_com.c
+++ b/drivers/staging/rtl8723bs/hal/hal_com.c
@@ -1311,7 +1311,7 @@ void SetHalODMVar(
 	switch (eVariable) {
 	case HAL_ODM_STA_INFO:
 		{
-			struct sta_info *psta = (struct sta_info *)pValue1;
+			struct sta_info *psta = pValue1;
 			if (bSet) {
 				DBG_8192C("### Set STA_(%d) info ###\n", psta->mac_id);
 				ODM_CmnInfoPtrArrayHook(podmpriv, ODM_CMNINFO_STA_STATUS, psta->mac_id, psta);
@@ -1333,7 +1333,7 @@ void SetHalODMVar(
 	#if defined(CONFIG_SIGNAL_DISPLAY_DBM) && defined(CONFIG_BACKGROUND_NOISE_MONITOR)
 	case HAL_ODM_NOISE_MONITOR:
 		{
-			struct noise_info *pinfo = (struct noise_info *)pValue1;
+			struct noise_info *pinfo = pValue1;
 
 			#ifdef DBG_NOISE_MONITOR
 			DBG_8192C("### Noise monitor chan(%d)-bPauseDIG:%d, IGIValue:0x%02x, max_time:%d (ms) ###\n",
diff --git a/drivers/staging/rtl8723bs/hal/odm.c b/drivers/staging/rtl8723bs/hal/odm.c
index 2dbf19971e04..ff43bb26950b 100644
--- a/drivers/staging/rtl8723bs/hal/odm.c
+++ b/drivers/staging/rtl8723bs/hal/odm.c
@@ -592,95 +592,95 @@ void ODM_CmnInfoHook(PDM_ODM_T pDM_Odm, ODM_CMNINFO_E CmnInfo, void *pValue)
 	/*  Dynamic call by reference pointer. */
 	/*  */
 	case ODM_CMNINFO_MAC_PHY_MODE:
-		pDM_Odm->pMacPhyMode = (u8 *)pValue;
+		pDM_Odm->pMacPhyMode = pValue;
 		break;
 
 	case ODM_CMNINFO_TX_UNI:
-		pDM_Odm->pNumTxBytesUnicast = (u64 *)pValue;
+		pDM_Odm->pNumTxBytesUnicast = pValue;
 		break;
 
 	case ODM_CMNINFO_RX_UNI:
-		pDM_Odm->pNumRxBytesUnicast = (u64 *)pValue;
+		pDM_Odm->pNumRxBytesUnicast = pValue;
 		break;
 
 	case ODM_CMNINFO_WM_MODE:
-		pDM_Odm->pwirelessmode = (u8 *)pValue;
+		pDM_Odm->pwirelessmode = pValue;
 		break;
 
 	case ODM_CMNINFO_BAND:
-		pDM_Odm->pBandType = (u8 *)pValue;
+		pDM_Odm->pBandType = pValue;
 		break;
 
 	case ODM_CMNINFO_SEC_CHNL_OFFSET:
-		pDM_Odm->pSecChOffset = (u8 *)pValue;
+		pDM_Odm->pSecChOffset = pValue;
 		break;
 
 	case ODM_CMNINFO_SEC_MODE:
-		pDM_Odm->pSecurity = (u8 *)pValue;
+		pDM_Odm->pSecurity = pValue;
 		break;
 
 	case ODM_CMNINFO_BW:
-		pDM_Odm->pBandWidth = (u8 *)pValue;
+		pDM_Odm->pBandWidth = pValue;
 		break;
 
 	case ODM_CMNINFO_CHNL:
-		pDM_Odm->pChannel = (u8 *)pValue;
+		pDM_Odm->pChannel = pValue;
 		break;
 
 	case ODM_CMNINFO_DMSP_GET_VALUE:
-		pDM_Odm->pbGetValueFromOtherMac = (bool *)pValue;
+		pDM_Odm->pbGetValueFromOtherMac = pValue;
 		break;
 
 	case ODM_CMNINFO_BUDDY_ADAPTOR:
-		pDM_Odm->pBuddyAdapter = (struct adapter **)pValue;
+		pDM_Odm->pBuddyAdapter = pValue;
 		break;
 
 	case ODM_CMNINFO_DMSP_IS_MASTER:
-		pDM_Odm->pbMasterOfDMSP = (bool *)pValue;
+		pDM_Odm->pbMasterOfDMSP = pValue;
 		break;
 
 	case ODM_CMNINFO_SCAN:
-		pDM_Odm->pbScanInProcess = (bool *)pValue;
+		pDM_Odm->pbScanInProcess = pValue;
 		break;
 
 	case ODM_CMNINFO_POWER_SAVING:
-		pDM_Odm->pbPowerSaving = (bool *)pValue;
+		pDM_Odm->pbPowerSaving = pValue;
 		break;
 
 	case ODM_CMNINFO_ONE_PATH_CCA:
-		pDM_Odm->pOnePathCCA = (u8 *)pValue;
+		pDM_Odm->pOnePathCCA = pValue;
 		break;
 
 	case ODM_CMNINFO_DRV_STOP:
-		pDM_Odm->pbDriverStopped =  (bool *)pValue;
+		pDM_Odm->pbDriverStopped =  pValue;
 		break;
 
 	case ODM_CMNINFO_PNP_IN:
-		pDM_Odm->pbDriverIsGoingToPnpSetPowerSleep =  (bool *)pValue;
+		pDM_Odm->pbDriverIsGoingToPnpSetPowerSleep =  pValue;
 		break;
 
 	case ODM_CMNINFO_INIT_ON:
-		pDM_Odm->pinit_adpt_in_progress =  (bool *)pValue;
+		pDM_Odm->pinit_adpt_in_progress =  pValue;
 		break;
 
 	case ODM_CMNINFO_ANT_TEST:
-		pDM_Odm->pAntennaTest =  (u8 *)pValue;
+		pDM_Odm->pAntennaTest =  pValue;
 		break;
 
 	case ODM_CMNINFO_NET_CLOSED:
-		pDM_Odm->pbNet_closed = (bool *)pValue;
+		pDM_Odm->pbNet_closed = pValue;
 		break;
 
 	case ODM_CMNINFO_FORCED_RATE:
-		pDM_Odm->pForcedDataRate = (u16 *)pValue;
+		pDM_Odm->pForcedDataRate = pValue;
 		break;
 
 	case ODM_CMNINFO_FORCED_IGI_LB:
-		pDM_Odm->pu1ForcedIgiLb = (u8 *)pValue;
+		pDM_Odm->pu1ForcedIgiLb = pValue;
 		break;
 
 	case ODM_CMNINFO_MP_MODE:
-		pDM_Odm->mp_mode = (u8 *)pValue;
+		pDM_Odm->mp_mode = pValue;
 		break;
 
 	/* case ODM_CMNINFO_RTSTA_AID: */
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
index 84a89ef74169..1565f2d67ea4 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
@@ -63,7 +63,7 @@ static int _BlockWrite(struct adapter *padapter, void *buffer, u32 buffSize)
 	u32 blockSize_p3 = 1; /*  Phase #3 : Use 1-byte, the remnant of FW image. */
 	u32 blockCount_p1 = 0, blockCount_p2 = 0, blockCount_p3 = 0;
 	u32 remainSize_p1 = 0, remainSize_p2 = 0;
-	u8 *bufferPtr = (u8 *)buffer;
+	u8 *bufferPtr = buffer;
 	u32 i = 0, offset = 0;
 
 /* 	printk("====>%s %d\n", __func__, __LINE__); */
@@ -163,7 +163,7 @@ static int _WriteFW(struct adapter *padapter, void *buffer, u32 size)
 	int ret = _SUCCESS;
 	u32 pageNums, remainSize;
 	u32 page, offset;
-	u8 *bufferPtr = (u8 *)buffer;
+	u8 *bufferPtr = buffer;
 
 	pageNums = size / MAX_DLFW_PAGE_SIZE;
 	/* RT_ASSERT((pageNums <= 4), ("Page numbers should not greater then 4\n")); */
@@ -643,7 +643,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_EFUSE_MAX_SECTION:
 		{
 			u8 *pMax_section;
-			pMax_section = (u8 *)pOut;
+			pMax_section = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pMax_section = EFUSE_MAX_SECTION_8723B;
@@ -655,7 +655,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_EFUSE_REAL_CONTENT_LEN:
 		{
 			u16 *pu2Tmp;
-			pu2Tmp = (u16 *)pOut;
+			pu2Tmp = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pu2Tmp = EFUSE_REAL_CONTENT_LEN_8723B;
@@ -667,7 +667,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_AVAILABLE_EFUSE_BYTES_BANK:
 		{
 			u16 *pu2Tmp;
-			pu2Tmp = (u16 *)pOut;
+			pu2Tmp = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pu2Tmp = (EFUSE_REAL_CONTENT_LEN_8723B-EFUSE_OOB_PROTECT_BYTES);
@@ -679,7 +679,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_AVAILABLE_EFUSE_BYTES_TOTAL:
 		{
 			u16 *pu2Tmp;
-			pu2Tmp = (u16 *)pOut;
+			pu2Tmp = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pu2Tmp = (EFUSE_REAL_CONTENT_LEN_8723B-EFUSE_OOB_PROTECT_BYTES);
@@ -691,7 +691,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_EFUSE_MAP_LEN:
 		{
 			u16 *pu2Tmp;
-			pu2Tmp = (u16 *)pOut;
+			pu2Tmp = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pu2Tmp = EFUSE_MAX_MAP_LEN;
@@ -703,7 +703,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_EFUSE_PROTECT_BYTES_BANK:
 		{
 			u8 *pu1Tmp;
-			pu1Tmp = (u8 *)pOut;
+			pu1Tmp = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pu1Tmp = EFUSE_OOB_PROTECT_BYTES;
@@ -715,7 +715,7 @@ static void Hal_GetEfuseDefinition(
 	case TYPE_EFUSE_CONTENT_LEN_BANK:
 		{
 			u16 *pu2Tmp;
-			pu2Tmp = (u16 *)pOut;
+			pu2Tmp = pOut;
 
 			if (efuseType == EFUSE_WIFI)
 				*pu2Tmp = EFUSE_REAL_CONTENT_LEN_8723B;
@@ -727,7 +727,7 @@ static void Hal_GetEfuseDefinition(
 	default:
 		{
 			u8 *pu1Tmp;
-			pu1Tmp = (u8 *)pOut;
+			pu1Tmp = pOut;
 			*pu1Tmp = 0;
 		}
 		break;
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_rxdesc.c b/drivers/staging/rtl8723bs/hal/rtl8723b_rxdesc.c
index 92e5a0e7aa59..14bfbe3be0ca 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723b_rxdesc.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723b_rxdesc.c
@@ -64,7 +64,7 @@ static void process_link_qual(struct adapter *padapter, union recv_frame *prfram
 
 void rtl8723b_process_phy_info(struct adapter *padapter, void *prframe)
 {
-	union recv_frame *precvframe = (union recv_frame *)prframe;
+	union recv_frame *precvframe = prframe;
 	/*  */
 	/*  Check RSSI */
 	/*  */
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
index b002eb446b2c..d9a4567ca721 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
@@ -190,7 +190,7 @@ static void rtl8723bs_recv_tasklet(void *priv)
 	u8 shift_sz = 0, rx_report_sz = 0;
 
 
-	padapter = (struct adapter *)priv;
+	padapter = priv;
 	pHalData = GET_HAL_DATA(padapter);
 	precvpriv = &padapter->recvpriv;
 
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
index 9bee2e40be32..d0b317077511 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
@@ -490,7 +490,7 @@ int rtl8723bs_xmit_thread(void *context)
 
 
 	ret = _SUCCESS;
-	padapter = (struct adapter *)context;
+	padapter = context;
 	pxmitpriv = &padapter->xmitpriv;
 
 	rtw_sprintf(thread_name, 20, "%s-"ADPT_FMT, thread_name, ADPT_ARG(padapter));
diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 6285b72faa9a..1d1b14dedd35 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -1121,7 +1121,7 @@ void sd_int_dpc(struct adapter *padapter)
 			}
 		} else {
 			/* Error handling for malloc fail */
-			if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void *)NULL) != _SUCCESS)
+			if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, NULL) != _SUCCESS)
 				DBG_871X("%s rtw_cbuf_push fail\n", __func__);
 			_set_workitem(&padapter->evtpriv.c2h_wk);
 		}