staging: rtl8192u: r8192U_core: fix comments lines over 80 characters

Move, replace and reorganize comments to stay under 80 characters
per line, as to follow the kernel code style. Some unuseful comments
have been removed.

Signed-off-by: Raphaël Beamonte <raphael.beamonte@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 153 insertions, 79 deletions

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 80a6a4fcea92..d243989c7d66 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -143,17 +143,28 @@ struct CHANNEL_LIST {
 };
 
 static struct CHANNEL_LIST ChannelPlan[] = {
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},	/* FCC */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},								/* IC */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},			/* ETSI */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},							/* Spain. Change to ETSI. */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},							/* France. Change to ETSI. */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},			/* MKK */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},			/* MKK1 */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},							/* Israel. */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},			/* For 11a , TELEC */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},			/* MIC */
-	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}	/* For Global Domain. 1-11:active scan, 12-14 passive scan. */
+	/* FCC */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24},
+	/* IC */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
+	/* ETSI */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
+	/* Spain. Change to ETSI. */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	/* France. Change to ETSI. */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	/* MKK */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
+	/* MKK1 */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
+	/* Israel. */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	/* For 11a , TELEC */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
+	/* MIC */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
+	/* For Global Domain. 1-11:active scan, 12-14 passive scan. */
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
 };
 
 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
@@ -194,7 +205,10 @@ static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 		break;
 
 	case COUNTRY_CODE_GLOBAL_DOMAIN:
-		GET_DOT11D_INFO(ieee)->bEnabled = 0; /* this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain settings. */
+		/* this flag enabled to follow 11d country IE setting,
+		 * otherwise, it shall follow global domain settings.
+		 */
+		GET_DOT11D_INFO(ieee)->bEnabled = 0;
 		Dot11d_Reset(ieee);
 		ieee->bGlobalDomain = true;
 		break;
@@ -210,9 +224,11 @@ static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 static void CamResetAllEntry(struct net_device *dev)
 {
 	u32 ulcommand = 0;
-	/* 2004/02/11  In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA associate to AP.
-	 *  However, ResetKey is called on OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest
-	 *  In this condition, Cam can not be reset because upper layer will not set this static key again.
+	/* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
+	 * associate to AP. However, ResetKey is called on
+	 * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
+	 * condition, Cam can not be reset because upper layer will not set
+	 * this static key again.
 	 */
 	ulcommand |= BIT31 | BIT30;
 	write_nic_dword(dev, RWCAM, ulcommand);
@@ -1039,8 +1055,9 @@ static void rtl8192_tx_isr(struct urb *tx_urb)
 	 *
 	 * Caution:
 	 * Handling the wait queue of command packets.
-	 * For Tx command packets, we must not do TCB fragment because it is not handled right now.
-	 * We must cut the packets to match the size of TX_CMD_PKT before we send it.
+	 * For Tx command packets, we must not do TCB fragment because it is
+	 * not handled right now. We must cut the packets to match the size of
+	 * TX_CMD_PKT before we send it.
 	 */
 
 	/* Handle MPDU in wait queue. */
@@ -1169,9 +1186,10 @@ static void rtl8192_update_cap(struct net_device *dev, u16 cap)
 	if (net->mode & (IEEE_G | IEEE_N_24G)) {
 		u8 slot_time = 0;
 
-		if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) /* short slot time */
+		if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
+			/* short slot time */
 			slot_time = SHORT_SLOT_TIME;
-		else /* long slot time */
+		else	/* long slot time */
 			slot_time = NON_SHORT_SLOT_TIME;
 		priv->slot_time = slot_time;
 		write_nic_byte(dev, SLOT_TIME, slot_time);
@@ -1253,9 +1271,9 @@ short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
 	pdesc->OWN = 1;
 	pdesc->LINIP = tcb_desc->bLastIniPkt;
 
-	/*----------------------------------------------------------------------------
+	/*---------------------------------------------------------------------
 	 * Fill up USB_OUT_CONTEXT.
-	 *----------------------------------------------------------------------------
+	 *---------------------------------------------------------------------
 	 */
 	idx_pipe = 0x04;
 	usb_fill_bulk_urb(tx_urb, priv->udev, usb_sndbulkpipe(priv->udev, idx_pipe),
@@ -1305,7 +1323,7 @@ static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
 		QueueSelect = QSLT_BEACON;
 		break;
 
-		/* TODO: 2006.10.30 mark other queue selection until we verify it is OK */
+		/* TODO: mark other queue selection until we verify it is OK */
 		/* TODO: Remove Assertions */
 	case TXCMD_QUEUE:
 		QueueSelect = QSLT_CMD;
@@ -1507,7 +1525,8 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
 	if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
 		if (tcb_desc->bPacketBW) {
 			tx_fwinfo->TxBandwidth = 1;
-			tx_fwinfo->TxSubCarrier = 0;    /* use duplicated mode */
+			/* use duplicated mode */
+			tx_fwinfo->TxSubCarrier = 0;
 		} else {
 			tx_fwinfo->TxBandwidth = 0;
 			tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
@@ -1558,7 +1577,9 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
 	tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
 	tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
 
-	/* Fill fields that are required to be initialized in all of the descriptors */
+	/* Fill fields that are required to be initialized in
+	 * all of the descriptors
+	 */
 	/* DWORD 0 */
 	tx_desc->FirstSeg = 1;
 	tx_desc->LastSeg = 1;
@@ -1794,9 +1815,13 @@ static void rtl8192_qos_activate(struct work_struct *work)
 	if (priv->ieee80211->state != IEEE80211_LINKED)
 		goto success;
 	RT_TRACE(COMP_QOS, "qos active process with associate response received\n");
-	/* It better set slot time at first */
-	/* For we just support b/g mode at present, let the slot time at 9/20 selection */
-	/* update the ac parameter to related registers */
+	/* It better set slot time at first
+	 *
+	 * For we just support b/g mode at present, let the slot time at
+	 * 9/20 selection
+	 *
+	 * update the ac parameter to related registers
+	 */
 	for (i = 0; i <  QOS_QUEUE_NUM; i++) {
 		/* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
 		u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
@@ -2071,7 +2096,10 @@ static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
 			wireless_mode = WIRELESS_MODE_B;
 		}
 	}
-#ifdef TO_DO_LIST /* TODO: this function doesn't work well at this time, we should wait for FPGA */
+#ifdef TO_DO_LIST
+	/* TODO: this function doesn't work well at this time,
+	 * we should wait for FPGA
+	 */
 	ActUpdateChannelAccessSetting(pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
 #endif
 	priv->ieee80211->mode = wireless_mode;
@@ -2109,7 +2137,8 @@ static void rtl8192_init_priv_variable(struct net_device *dev)
 	priv->bDisableNormalResetCheck = false;
 	priv->force_reset = false;
 
-	priv->ieee80211->FwRWRF = 0;	/* we don't use FW read/write RF until stable firmware is available. */
+	/* we don't use FW read/write RF until stable firmware is available. */
+	priv->ieee80211->FwRWRF = 0;
 	priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
 	priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
 		IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
@@ -2155,29 +2184,54 @@ static void rtl8192_init_priv_variable(struct net_device *dev)
 	priv->EarlyRxThreshold = 7;
 	priv->enable_gpio0 = 0;
 	priv->TransmitConfig =
-		(TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)	  | /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
-		(priv->ShortRetryLimit << TCR_SRL_OFFSET) | /* Short retry limit */
-		(priv->LongRetryLimit << TCR_LRL_OFFSET)  | /* Long retry limit */
-		(false ? TCR_SAT : 0);	/* FALSE: HW provides PLCP length and LENGEXT, TRUE: SW provides them */
+		/* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
+		(TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)	  |
+		/* Short retry limit */
+		(priv->ShortRetryLimit << TCR_SRL_OFFSET) |
+		/* Long retry limit */
+		(priv->LongRetryLimit << TCR_LRL_OFFSET)  |
+		/* FALSE: HW provides PLCP length and LENGEXT
+		 * TRUE: SW provides them
+		 */
+		(false ? TCR_SAT : 0);
 #ifdef TO_DO_LIST
 	if (Adapter->bInHctTest)
 		pHalData->ReceiveConfig	=	pHalData->CSMethod |
-						RCR_AMF | RCR_ADF | /* accept management/data */
-						RCR_ACF | /* accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. */
-						RCR_AB | RCR_AM | RCR_APM | /* accept BC/MC/UC */
-						RCR_AICV | RCR_ACRC32 | /* accept ICV/CRC error packet */
-						((u32)7 << RCR_MXDMA_OFFSET) | /* Max DMA Burst Size per Tx DMA Burst, 7: unlimited. */
-						(pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) | /* Rx FIFO Threshold, 7: No Rx threshold. */
+						/* accept management/data */
+						RCR_AMF | RCR_ADF |
+						/* accept control frame for SW
+						 * AP needs PS-poll
+						 */
+						RCR_ACF |
+						/* accept BC/MC/UC */
+						RCR_AB | RCR_AM | RCR_APM |
+						/* accept ICV/CRC error
+						 * packet
+						 */
+						RCR_AICV | RCR_ACRC32 |
+						/* Max DMA Burst Size per Tx
+						 * DMA Burst, 7: unlimited.
+						 */
+						((u32)7 << RCR_MXDMA_OFFSET) |
+						/* Rx FIFO Threshold,
+						 * 7: No Rx threshold.
+						 */
+						(pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
 						(pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
 	else
 
 #endif
 	priv->ReceiveConfig	=
-		RCR_AMF | RCR_ADF | /* accept management/data */
-		RCR_ACF | /* accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. */
-		RCR_AB | RCR_AM | RCR_APM | /* accept BC/MC/UC */
-		((u32)7 << RCR_MXDMA_OFFSET) | /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
-		(priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) | /* Rx FIFO Threshold, 7: No Rx threshold. */
+		/* accept management/data */
+		RCR_AMF | RCR_ADF |
+		/* accept control frame for SW AP needs PS-poll */
+		RCR_ACF |
+		/* accept BC/MC/UC */
+		RCR_AB | RCR_AM | RCR_APM |
+		/* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
+		((u32)7 << RCR_MXDMA_OFFSET) |
+		/* Rx FIFO Threshold, 7: No Rx threshold. */
+		(priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
 		(priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
 
 	priv->AcmControl = 0;
@@ -2742,7 +2796,8 @@ static bool rtl8192_adapter_start(struct net_device *dev)
 			 */
 			for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
 				PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
-		} else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) { /* H/W or S/W RF OFF before sleep. */
+		} else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
+			/* H/W or S/W RF OFF before sleep. */
 			RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", pMgntInfo->RfOffReason));
 			MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
 		} else {
@@ -2951,17 +3006,18 @@ static RESET_TYPE RxCheckStuck(struct net_device *dev)
 
 
 /**
-*	This function is called by Checkforhang to check whether we should ask OS to reset driver
-*
-*	\param pAdapter	The adapter context for this miniport
-*
-*	Note:NIC with USB interface sholud not call this function because we cannot scan descriptor
-*	to judge whether there is tx stuck.
-*	Note: This function may be required to be rewrite for Vista OS.
-*	<<<Assumption: Tx spinlock has been acquired >>>
-*
-*	8185 and 8185b does not implement this function. This is added by Emily at 2006.11.24
-*/
+ * This function is called by Checkforhang to check whether we should
+ * ask OS to reset driver
+ *
+ * \param pAdapter	The adapter context for this miniport
+ *
+ * Note:NIC with USB interface sholud not call this function because we
+ * cannot scan descriptor to judge whether there is tx stuck.
+ * Note: This function may be required to be rewrite for Vista OS.
+ * <<<Assumption: Tx spinlock has been acquired >>>
+ *
+ * 8185 and 8185b does not implement this function.
+ */
 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
@@ -3242,9 +3298,10 @@ static void rtl819x_watchdog_wqcallback(struct work_struct *work)
 		ResetType = rtl819x_ifcheck_resetornot(dev);
 		check_reset_cnt = 3;
 	}
+	/* This is control by OID set in Pomelo */
 	if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
 	    (priv->bForcedSilentReset ||
-	    (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) { /* This is control by OID set in Pomelo */
+	    (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
 		RT_TRACE(COMP_RESET, "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n", __func__, priv->force_reset, priv->ResetProgress, priv->bForcedSilentReset, priv->bDisableNormalResetCheck, ResetType);
 		rtl819x_ifsilentreset(dev);
 	}
@@ -3507,11 +3564,16 @@ static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 
 				if (ieee->group_key_type) {
 					setKey(dev, ipw->u.crypt.idx,
-					       ipw->u.crypt.idx, /* KeyIndex */
-					       ieee->group_key_type, /* KeyType */
-					       broadcast_addr, /* MacAddr */
-					       0,	       /* DefaultKey */
-					       key);	       /* KeyContent */
+					       /* KeyIndex */
+					       ipw->u.crypt.idx,
+					       /* KeyType */
+					       ieee->group_key_type,
+					       /* MacAddr */
+					       broadcast_addr,
+					       /* DefaultKey */
+					       0,
+					       /* KeyContent */
+					       key);
 				}
 			}
 		}
@@ -3671,7 +3733,8 @@ static void UpdateRxPktTimeStamp8190(struct net_device *dev,
 	}
 }
 
-static long rtl819x_translate_todbm(u8 signal_strength_index) /* 0-100 index. */
+/* 0-100 index. */
+static long rtl819x_translate_todbm(u8 signal_strength_index)
 {
 	long	signal_power; /* in dBm. */
 
@@ -3808,7 +3871,8 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
 
 
 	if (pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA) {
-		if (priv->undecorated_smoothed_pwdb < 0)	/* initialize */
+		if (priv->undecorated_smoothed_pwdb < 0)
+			/* initialize */
 			priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
 		if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
 			priv->undecorated_smoothed_pwdb =
@@ -3842,7 +3906,9 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
 			/* <1> Showed on UI for user, in percentage. */
 			tmp_val = priv->stats.slide_evm_total / slide_evm_statistics;
 			priv->stats.signal_quality = tmp_val;
-			/* Showed on UI for user in Windows Vista, for Link quality. */
+			/* Showed on UI for user in Windows Vista,
+			 * for Link quality.
+			 */
 			priv->stats.last_signal_strength_inpercent = tmp_val;
 		}
 
@@ -3873,11 +3939,6 @@ static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
  * Output:		NONE
  *
  * Return:		0-100 percentage
- *
- * Revised History:
- *	When		Who		Remark
- *	05/26/2008	amy		Create Version 0 porting from windows code.
- *
  *---------------------------------------------------------------------------*/
 static u8 rtl819x_query_rxpwrpercentage(char antpower)
 {
@@ -4004,7 +4065,9 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
 	if (is_cck_rate) {
 		/* (1)Hardware does not provide RSSI for CCK */
 
-		/* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */
+		/* (2)PWDB, Average PWDB cacluated by hardware
+		 * (for rate adaptive)
+		 */
 		u8 report;
 
 		priv->stats.numqry_phystatusCCK++;
@@ -4111,9 +4174,11 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
 		/* (3)EVM of HT rate */
 		if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
 		    pdrvinfo->RxRate <= DESC90_RATEMCS15)
-			max_spatial_stream = 2; /* both spatial stream make sense */
+			/* both spatial stream make sense */
+			max_spatial_stream = 2;
 		else
-			max_spatial_stream = 1; /* only spatial stream 1 makes sense */
+			/* only spatial stream 1 makes sense */
+			max_spatial_stream = 1;
 
 		for (i = 0; i < max_spatial_stream; i++) {
 			tmp_rxevm =	pofdm_buf->rxevm_X[i];
@@ -4129,7 +4194,10 @@ static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
 			rx_evmX /= 2;	/* dbm */
 
 			evm = rtl819x_evm_dbtopercentage(rx_evmX);
-			if (i == 0) /* Fill value in RFD, Get the first spatial stream only */
+			if (i == 0)
+				/* Fill value in RFD, Get the first spatial
+				 * stream only
+				 */
 				pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
 			pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
 		}
@@ -4243,9 +4311,11 @@ UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
 					  struct ieee80211_rx_stats *stats)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
-	u32 rcvType = 1;   /* 0: Total, 1:OK, 2:CRC, 3:ICV */
+	/* 0: Total, 1:OK, 2:CRC, 3:ICV */
+	u32 rcvType = 1;
 	u32 rateIndex;
-	u32 preamble_guardinterval;  /* 1: short preamble/GI, 0: long preamble/GI */
+	/* 1: short preamble/GI, 0: long preamble/GI */
+	u32 preamble_guardinterval;
 
 
 	if (stats->bCRC)
@@ -4405,7 +4475,8 @@ static void query_rxdesc_status(struct sk_buff *skb,
 				 */
 
 				stats->bHwError = 1;
-				stats->rate = MGN_1M; /* Set 1M rate by default */
+				/* Set 1M rate by default */
+				stats->rate = MGN_1M;
 			} else {
 				stats->rate = ret_rate;
 			}
@@ -4696,7 +4767,9 @@ fail:
 	return ret;
 }
 
-/* detach all the work and timer structure declared or inititialize in r8192U_init function. */
+/* detach all the work and timer structure declared or inititialize
+ * in r8192U_init function.
+ */
 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
 {
 
@@ -4818,7 +4891,8 @@ void EnableHWSecurityConfig8192(struct net_device *dev)
 
 	ieee->hwsec_active = 1;
 
-	if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) { /* add hwsec_support flag to totol control hw_sec on/off */
+	/* add hwsec_support flag to totol control hw_sec on/off */
+	if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
 		ieee->hwsec_active = 0;
 		SECR_value &= ~SCR_RxDecEnable;
 	}