diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index aa739c4..eb281a2 100644
--- a/drivers/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
@@ -122,25 +122,6 @@
 	ID_AD5668_2,
 };
 
-static int ad5064_i2c_write(struct ad5064_state *st, unsigned int cmd,
-	unsigned int addr, unsigned int val)
-{
-	struct i2c_client *i2c = to_i2c_client(st->dev);
-
-	st->data.i2c[0] = (cmd << 4) | addr;
-	put_unaligned_be16(val, &st->data.i2c[1]);
-	return i2c_master_send(i2c, st->data.i2c, 3);
-}
-
-static int ad5064_spi_write(struct ad5064_state *st, unsigned int cmd,
-	unsigned int addr, unsigned int val)
-{
-	struct spi_device *spi = to_spi_device(st->dev);
-
-	st->data.spi = cpu_to_be32(AD5064_CMD(cmd) | AD5064_ADDR(addr) | val);
-	return spi_write(spi, &st->data.spi, sizeof(st->data.spi));
-}
-
 static int ad5064_write(struct ad5064_state *st, unsigned int cmd,
 	unsigned int addr, unsigned int val, unsigned int shift)
 {
@@ -533,6 +514,15 @@
 
 #if IS_ENABLED(CONFIG_SPI_MASTER)
 
+static int ad5064_spi_write(struct ad5064_state *st, unsigned int cmd,
+	unsigned int addr, unsigned int val)
+{
+	struct spi_device *spi = to_spi_device(st->dev);
+
+	st->data.spi = cpu_to_be32(AD5064_CMD(cmd) | AD5064_ADDR(addr) | val);
+	return spi_write(spi, &st->data.spi, sizeof(st->data.spi));
+}
+
 static int __devinit ad5064_spi_probe(struct spi_device *spi)
 {
 	const struct spi_device_id *id = spi_get_device_id(spi);
@@ -582,7 +572,7 @@
 	return spi_register_driver(&ad5064_spi_driver);
 }
 
-static void __exit ad5064_spi_unregister_driver(void)
+static void ad5064_spi_unregister_driver(void)
 {
 	spi_unregister_driver(&ad5064_spi_driver);
 }
@@ -596,6 +586,16 @@
 
 #if IS_ENABLED(CONFIG_I2C)
 
+static int ad5064_i2c_write(struct ad5064_state *st, unsigned int cmd,
+	unsigned int addr, unsigned int val)
+{
+	struct i2c_client *i2c = to_i2c_client(st->dev);
+
+	st->data.i2c[0] = (cmd << 4) | addr;
+	put_unaligned_be16(val, &st->data.i2c[1]);
+	return i2c_master_send(i2c, st->data.i2c, 3);
+}
+
 static int __devinit ad5064_i2c_probe(struct i2c_client *i2c,
 	const struct i2c_device_id *id)
 {
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 8c1dc9a..4add9bb 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -292,7 +292,7 @@
 			if (channels[i].scan_index >
 			    (int)indio_dev->masklength - 1)
 				indio_dev->masklength
-					= indio_dev->channels[i].scan_index + 1;
+					= channels[i].scan_index + 1;
 
 			ret = iio_buffer_add_channel_sysfs(indio_dev,
 							 &channels[i]);
diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index b49059d..fa6543b 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -345,7 +345,6 @@
 {
 	int j, ret, attrcount = 0;
 
-	INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list);
 	/* Dynically created from the channels array */
 	for (j = 0; j < indio_dev->num_channels; j++) {
 		ret = iio_device_add_event_sysfs(indio_dev,
@@ -396,6 +395,8 @@
 		goto error_ret;
 	}
 
+	INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list);
+
 	iio_setup_ev_int(indio_dev->event_interface);
 	if (indio_dev->info->event_attrs != NULL) {
 		attr = indio_dev->info->event_attrs->attrs;
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 9a46ca6..b5afc2f 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -193,17 +193,17 @@
 						c->map->adc_channel_label);
 		if (chans[mapind].channel == NULL) {
 			ret = -EINVAL;
-			iio_device_put(chans[mapind].indio_dev);
 			goto error_free_chans;
 		}
 		iio_device_get(chans[mapind].indio_dev);
 		mapind++;
 	}
-	mutex_unlock(&iio_map_list_lock);
 	if (mapind == 0) {
 		ret = -ENODEV;
 		goto error_free_chans;
 	}
+	mutex_unlock(&iio_map_list_lock);
+
 	return chans;
 
 error_free_chans:
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 510d796..f63c1d3 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -782,20 +782,20 @@
 	oled_class = class_create(THIS_MODULE, ASUS_OLED_UNDERSCORE_NAME);
 
 	if (IS_ERR(oled_class)) {
-		printk(KERN_ERR "Error creating " ASUS_OLED_UNDERSCORE_NAME " class\n");
+		pr_err("Error creating " ASUS_OLED_UNDERSCORE_NAME " class\n");
 		return PTR_ERR(oled_class);
 	}
 
 	retval = class_create_file(oled_class, &class_attr_version.attr);
 	if (retval) {
-		printk(KERN_ERR "Error creating class version file\n");
+		pr_err("Error creating class version file\n");
 		goto error;
 	}
 
 	retval = usb_register(&oled_driver);
 
 	if (retval) {
-		printk(KERN_ERR "usb_register failed. Error number %d\n", retval);
+		pr_err("usb_register failed. Error number %d\n", retval);
 		goto error;
 	}
 
diff --git a/drivers/staging/bcm/CmHost.c b/drivers/staging/bcm/CmHost.c
index 9c8c9b1..b54ec97 100644
--- a/drivers/staging/bcm/CmHost.c
+++ b/drivers/staging/bcm/CmHost.c
@@ -4,7 +4,6 @@
  * Management.
  ************************************************************/
 
-/* #define CONN_MSG */
 #include "headers.h"
 
 enum E_CLASSIFIER_ACTION {
diff --git a/drivers/staging/bcm/Debug.h b/drivers/staging/bcm/Debug.h
index 420382d..8018a18 100644
--- a/drivers/staging/bcm/Debug.h
+++ b/drivers/staging/bcm/Debug.h
@@ -42,10 +42,6 @@
 #define ARP_REQ  	(TX<<5)
 #define ARP_RESP 	(TX<<6)
 
-// dhcp.c
-//#define DHCP TX
-//#define DHCP_REQ (DHCP<<7)
-
 // Leakybucket.c
 #define TOKEN_COUNTS (TX<<8)
 #define CHECK_TOKENS (TX<<9)
@@ -147,7 +143,6 @@
 
 #define HOST_MIBS   	(OTHERS << 28)
 #define CONN_MSG    	(CMHOST << 29)
-//#define OTHERS_MISC		(OTHERS << 29)	// ProcSupport.c
 /*-----------------END SUBTYPEs------------------------------------------*/
 
 
diff --git a/drivers/staging/bcm/Macros.h b/drivers/staging/bcm/Macros.h
index b5ca6f6..46f5f0f 100644
--- a/drivers/staging/bcm/Macros.h
+++ b/drivers/staging/bcm/Macros.h
@@ -6,7 +6,6 @@
 
 #define TX_TIMER_PERIOD 10 /*10 msec*/
 #define MAX_CLASSIFIERS 100
-/* #define MAX_CLASSIFIERS_PER_SF  20 */
 #define MAX_TARGET_DSX_BUFFERS 24
 
 #define MAX_CNTRL_PKTS    100
diff --git a/drivers/staging/bcm/Misc.c b/drivers/staging/bcm/Misc.c
index c36fd76..9a60d4c 100644
--- a/drivers/staging/bcm/Misc.c
+++ b/drivers/staging/bcm/Misc.c
@@ -402,30 +402,6 @@
 	return Status;
 }
 
-#if 0
-/*****************************************************************
-* Function    - SendStatisticsPointerRequest()
-*
-* Description - This function builds and forwards the Statistics
-* Pointer Request control Packet.
-*
-* Parameters  - Adapter					: Pointer to Adapter structure.
-* - pstStatisticsPtrRequest : Pointer to link request.
-*
-* Returns     - None.
-*****************************************************************/
-static VOID SendStatisticsPointerRequest(struct bcm_mini_adapter *Adapter, struct bcm_link_request *pstStatisticsPtrRequest)
-{
-	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "======>");
-	pstStatisticsPtrRequest->Leader.Status = STATS_POINTER_REQ_STATUS;
-	pstStatisticsPtrRequest->Leader.PLength = sizeof(ULONG); /* minimum 4 bytes */
-	pstStatisticsPtrRequest->szData[0] = STATISTICS_POINTER_REQ;
-	CopyBufferToControlPacket(Adapter, pstStatisticsPtrRequest);
-	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_RX, RX_DPC, DBG_LVL_ALL, "<=====");
-	return;
-}
-#endif
-
 /******************************************************************
 * Function    - LinkMessage()
 *
@@ -1217,45 +1193,6 @@
 	}
 }
 
-#if 0
-static unsigned char *ReadMacAddrEEPROM(struct bcm_mini_adapter *Adapter, ulong dwAddress)
-{
-	int status = 0, i = 0;
-	unsigned int temp = 0;
-	unsigned char *pucmacaddr = kmalloc(MAC_ADDRESS_SIZE, GFP_KERNEL);
-	int bytes;
-
-	if (!pucmacaddr) {
-		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "No Buffers to Read the EEPROM Address\n");
-		return NULL;
-	}
-
-	dwAddress |= 0x5b000000;
-	status = wrmalt(Adapter, EEPROM_COMMAND_Q_REG, (PUINT)&dwAddress, sizeof(UINT));
-	if (status != STATUS_SUCCESS) {
-		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "wrm Failed..\n");
-		kfree(pucmacaddr);
-		pucmacaddr = NULL;
-		goto OUT;
-	}
-
-	for (i = 0; i < MAC_ADDRESS_SIZE; i++) {
-		bytes = rdmalt(Adapter, EEPROM_READ_DATA_Q_REG, &temp, sizeof(temp));
-		if (bytes < 0) {
-			status = bytes;
-			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "rdm Failed..\n");
-			kfree(pucmacaddr);
-			pucmacaddr = NULL;
-			goto OUT;
-		}
-		pucmacaddr[i] = temp & 0xff;
-		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "%x\n", pucmacaddr[i]);
-	}
-OUT:
-	return pucmacaddr;
-}
-#endif
-
 static void convertEndian(B_UINT8 rwFlag, PUINT puiBuffer, UINT uiByteCount)
 {
 	UINT uiIndex = 0;
@@ -1269,9 +1206,6 @@
 	}
 }
 
-#define CACHE_ADDRESS_MASK 0x80000000
-#define UNCACHE_ADDRESS_MASK 0xa0000000
-
 int rdm(struct bcm_mini_adapter *Adapter, UINT uiAddress, PCHAR pucBuff, size_t sSize)
 {
 	return Adapter->interface_rdm(Adapter->pvInterfaceAdapter,
diff --git a/drivers/staging/bcm/PHSDefines.h b/drivers/staging/bcm/PHSDefines.h
index eed4cfc..6016fc5 100644
--- a/drivers/staging/bcm/PHSDefines.h
+++ b/drivers/staging/bcm/PHSDefines.h
@@ -27,7 +27,6 @@
 #define PHS_BUFFER_SIZE				 1532
 
 
-//#define MAX_PHS_LENGTHS 100
 #define MAX_PHSRULE_PER_SF       20
 #define MAX_SERVICEFLOWS			 17
 
diff --git a/drivers/staging/csr/csr_util.h b/drivers/staging/csr/csr_util.h
index ce39c7e..5cd6cb4 100644
--- a/drivers/staging/csr/csr_util.h
+++ b/drivers/staging/csr/csr_util.h
@@ -47,17 +47,10 @@
 #define CsrMemCmp(s1, s2, n) ((CsrInt32) memcmp((s1), (s2), (n)))
 #define CsrStrCmp(s1, s2) ((CsrInt32) strcmp((s1), (s2)))
 #define CsrStrNCmp(s1, s2, n) ((CsrInt32) strncmp((s1), (s2), (n)))
-/*#define CsrMemChr memchr*/
 #define CsrStrChr strchr
-/*#define CsrStrCSpn strcspn*/
-/*#define CsrStrPBrk strpbrk*/
-/*#define CsrStrRChr strrchr*/
-/*#define CsrStrSpn strspn*/
 #define CsrStrStr strstr
-/*#define CsrStrTok strtok*/
 #define CsrMemSet memset
 #define CsrStrLen strlen
-/*#define CsrVsnprintf(s, n, format, arg) ((CsrInt32) vsnprintf((s), (n), (format), (arg)))*/
 #else /* !CSR_USE_STDC_LIB */
 void *CsrMemCpy(void *dest, const void *src, CsrSize count);
 void *CsrMemMove(void *dest, const void *src, CsrSize count);
diff --git a/drivers/staging/csr/csr_wifi_hip_card_sdio.c b/drivers/staging/csr/csr_wifi_hip_card_sdio.c
index 91976b8..5a86ff9 100644
--- a/drivers/staging/csr/csr_wifi_hip_card_sdio.c
+++ b/drivers/staging/csr/csr_wifi_hip_card_sdio.c
@@ -36,9 +36,6 @@
 #define MAILBOX2_TIMEOUT                5   /* in millisecs */
 #define MAILBOX2_ATTEMPTS               10  /* 50ms */
 
-#define MAILBOX2_RESET_ATTEMPTS         10
-#define MAILBOX2_RESET_TIMEOUT          5   /* in millisecs */
-
 #define RESET_SETTLE_DELAY              25  /* in millisecs */
 
 static CsrResult card_init_slots(card_t *card);
diff --git a/drivers/staging/csr/csr_wifi_hip_chiphelper.c b/drivers/staging/csr/csr_wifi_hip_chiphelper.c
index 0e2477f..a3148d8 100644
--- a/drivers/staging/csr/csr_wifi_hip_chiphelper.c
+++ b/drivers/staging/csr/csr_wifi_hip_chiphelper.c
@@ -630,7 +630,7 @@
 }
 
 
-ChipDescript* ChipHelper_Null()
+ChipDescript *ChipHelper_Null(void)
 {
     return &chip_device_desc_null;
 }
diff --git a/drivers/staging/csr/drv.c b/drivers/staging/csr/drv.c
index fbe8630..4be6d95 100644
--- a/drivers/staging/csr/drv.c
+++ b/drivers/staging/csr/drv.c
@@ -63,7 +63,6 @@
 int run_bh_once = -1;          /* Set for scheduled interrupt mode, -1 = default */
 int bh_priority = -1;
 #ifdef CSR_WIFI_HIP_DEBUG_OFFLINE
-#define UNIFI_LOG_HIP_SIGNALS_FILTER_SIGNAL     (1 << 0)
 #define UNIFI_LOG_HIP_SIGNALS_FILTER_BULKDATA   (1 << 1)
 #define UNIFI_LOG_HIP_SIGNALS_FILTER_TIMESTAMP  (1 << 2)
 int log_hip_signals = 0;
diff --git a/drivers/staging/csr/firmware.c b/drivers/staging/csr/firmware.c
index 03da0d5..98e27d6 100644
--- a/drivers/staging/csr/firmware.c
+++ b/drivers/staging/csr/firmware.c
@@ -220,7 +220,6 @@
 
 
 
-#define UNIFIHELPER_INIT_MODE_SMEEMB    0
 #define UNIFIHELPER_INIT_MODE_SMEUSER   2
 #define UNIFIHELPER_INIT_MODE_NATIVE    1
 
diff --git a/drivers/staging/csr/mlme.c b/drivers/staging/csr/mlme.c
index 790d5d7..ed767ecc 100644
--- a/drivers/staging/csr/mlme.c
+++ b/drivers/staging/csr/mlme.c
@@ -15,11 +15,6 @@
 #include "csr_wifi_hip_unifi.h"
 #include "unifi_priv.h"
 
-
-/* The additional time taken by the UniFi to do a scan per channel */
-#define SCAN_STARTUP_TIME       300 /* in millisecs */
-
-
 /*
  * ---------------------------------------------------------------------------
  * unifi_mlme_wait_for_reply
diff --git a/drivers/staging/csr/monitor.c b/drivers/staging/csr/monitor.c
index 7648d2b..628782a 100644
--- a/drivers/staging/csr/monitor.c
+++ b/drivers/staging/csr/monitor.c
@@ -51,13 +51,6 @@
     req->Channel = priv->wext_conf.channel;
     req->ChannelStartingFactor = 0;
 
-#if 0
-    printk("SniffJoin: Ifindex=%d, Channel=%d, ChannelStartingFactor=%d\n",
-           req->Ifindex,
-           req->Channel,
-           req->ChannelStartingFactor);
-#endif
-
     signal.SignalPrimitiveHeader.SignalId = CSR_MLME_SNIFFJOIN_REQUEST_ID;
 
     r = unifi_mlme_blocking_request(priv, pcli, &signal, NULL, timeout);
@@ -198,11 +191,6 @@
     unifi_rt->rt_antenna = ind->AntennaId;
 
 
-#if 0
-    printk("skb datalen=%d\n", skb->len);
-    dump(skb->data, 48);
-#endif
-
     skb->dev = dev;
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
     skb->mac_header = skb->data;
@@ -254,9 +242,7 @@
     unsigned char *ptr;
     unsigned char *base;
     int ind_data_len = skb_orig->len - 2 - ETH_HLEN;
-#define WLANCAP_MAGIC_COOKIE_BASE 0x80211000
 #define WLANCAP_MAGIC_COOKIE_V1 0x80211001
-#define WLANCAP_MAGIC_COOKIE_V2 0x80211002
     struct avs_header_v1 {
         uint32  version;
         uint32  length;
@@ -282,24 +268,6 @@
         return;
     }
 
-#if 0
-    printk("MA-SINFFDATA.ind: DataLen=%d bytes, TSF %02X %02X %02X %02X %02X %02X %02X %02X, Rate=%d, Antenna=%d\n",
-           ind->Data.DataLength,
-           ind->Timestamp.x[0],
-           ind->Timestamp.x[1],
-           ind->Timestamp.x[2],
-           ind->Timestamp.x[3],
-           ind->Timestamp.x[4],
-           ind->Timestamp.x[5],
-           ind->Timestamp.x[6],
-           ind->Timestamp.x[7],
-           ind->Rate,
-           ind->Antenna);
-
-    printk("payload, len %d\n", length);
-    dump((unsigned char *)payload, 32);
-#endif
-
     /*
      * Allocate a SKB for the received data packet, including radiotap
      * header.
@@ -341,11 +309,6 @@
     avs->encoding       = htonl(0); /* unknown */
 
 
-#if 0
-    printk("skb datalen=%d\n", skb->len);
-    dump(skb->data, 48);
-#endif
-
     skb->dev = dev;
     skb->mac.raw = skb->data;
     skb->pkt_type = PACKET_OTHERHOST;
@@ -402,33 +365,11 @@
     }
 
     skb->len = bulkdata->d[0].data_length;
-#if 0
-    printk("MA-SNIFFDATA.ind: DataLen=%d bytes, TSF %02X %02X %02X %02X %02X %02X %02X %02X, Rate=%d, Antenna=%d\n",
-           ind->Data.DataLength,
-           ind->Timestamp.x[0],
-           ind->Timestamp.x[1],
-           ind->Timestamp.x[2],
-           ind->Timestamp.x[3],
-           ind->Timestamp.x[4],
-           ind->Timestamp.x[5],
-           ind->Timestamp.x[6],
-           ind->Timestamp.x[7],
-           ind->Rate,
-           ind->AntennaId);
-
-    printk("payload, len %lu\n", bulkdata->d[0].data_length);
-    if (bulkdata->d[0].os_data_ptr && (bulkdata->d[0].data_length >= 32)) {
-        dump((unsigned char *)bulkdata->d[0].os_data_ptr, 32);
-    }
-#endif
 
     /* We only process data packets if the interface is open */
     if (unlikely(!netif_running(dev))) {
         priv->stats.rx_dropped++;
         priv->wext_conf.wireless_stats.discard.misc++;
-#if 0
-        printk("Dropping packet while interface is not up.\n");
-#endif
         dev_kfree_skb(skb);
         return;
     }
diff --git a/drivers/staging/csr/netdev.c b/drivers/staging/csr/netdev.c
index cf19f11..55149df 100644
--- a/drivers/staging/csr/netdev.c
+++ b/drivers/staging/csr/netdev.c
@@ -70,11 +70,6 @@
  */
 #define ALLOW_Q_PAUSE
 
-#define ieee2host16(n)  __le16_to_cpu(n)
-#define ieee2host32(n)  __le32_to_cpu(n)
-#define host2ieee16(n)  __cpu_to_le16(n)
-#define host2ieee32(n)  __cpu_to_le32(n)
-
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
 #ifdef UNIFI_NET_NAME
 #define UF_ALLOC_NETDEV(_dev, _size, _name, _setup, _num_of_queues)     \
diff --git a/drivers/staging/csr/sme_sys.c b/drivers/staging/csr/sme_sys.c
index 9c3aa74..5f38f9d 100644
--- a/drivers/staging/csr/sme_sys.c
+++ b/drivers/staging/csr/sme_sys.c
@@ -1572,7 +1572,6 @@
     r = _sys_packet_req(priv, &signal, mareq->subscriptionHandle,
             mareq->frameLength, mareq->frame, snap_protocol);
 
-#define MAX_RETRY 2
     if (r && mareq->cfmRequested)
     {
         CsrWifiRouterMaPacketCfmSend(msg->source,interfaceTag,
diff --git a/drivers/staging/csr/unifi_native.h b/drivers/staging/csr/unifi_native.h
index a480c9e..a73b38e 100644
--- a/drivers/staging/csr/unifi_native.h
+++ b/drivers/staging/csr/unifi_native.h
@@ -242,25 +242,6 @@
                                   const u8 *packed_signal,
                                   int packed_signal_len,
                                   const bulk_data_param_t *bulkdata, int dir);
-#if 0
-/*
- * Choose one of these if available in linux/if_arp.h:
- *  #define UNIFI_SNIFF_ARPHRD ARPHRD_IEEE80211_RADIOTAP
- *  #define UNIFI_SNIFF_ARPHRD ARPHRD_IEEE80211_PRISM
- *
- * Radiotap is the newer standard for softmac WLAN devices, it works with
- * Wireshark but not Ethereal (due to a bug in the Ethereal dissector).
- * Prism is an older (less desirable) format but it does work with Ethereal.
- */
-#ifdef ARPHRD_IEEE80211_RADIOTAP
-#define UNIFI_SNIFF_ARPHRD ARPHRD_IEEE80211_RADIOTAP
-#else
-#ifdef ARPHRD_IEEE80211_PRISM
-#define UNIFI_SNIFF_ARPHRD ARPHRD_IEEE80211_PRISM
-#endif
-#endif
-#endif
-
 #ifdef UNIFI_SNIFF_ARPHRD
 /*
  * monitor.c
diff --git a/drivers/staging/csr/unifi_sme.c b/drivers/staging/csr/unifi_sme.c
index 6e7cbbf..5ad1d5f 100644
--- a/drivers/staging/csr/unifi_sme.c
+++ b/drivers/staging/csr/unifi_sme.c
@@ -78,12 +78,6 @@
     CsrResult result = CSR_RESULT_SUCCESS;
     int r;
 
-    /* Following bits are encoded in hostTag These are there to ensure that hostTags are unique*/
-#define CSR_SME_DATA     0x00000000  /* Frames Sent by SME */
-#define CSR_PAL_DATA     0X10000000  /* Frames Sent by PAL-D*/
-#define CSR_NME_DATA     0x20000000  /* Frames Sent by NME*/
-#define APPLICATION_DATA 0x30000000  /* Frames Sent by Application*/
-
     func_enter();
     /* Just a sanity check */
     if ((signal == NULL) || (signal_len <= 0)) {
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 8f3fc5f..ac6897b 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -5445,24 +5445,4 @@
 	.driver.pm	= ET131X_PM_OPS,
 };
 
-/**
- * et131x_init_module - The "main" entry point called on driver initialization
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-static int __init et131x_init_module(void)
-{
-	return pci_register_driver(&et131x_driver);
-}
-
-/**
- * et131x_cleanup_module - The entry point called on driver cleanup
- */
-static void __exit et131x_cleanup_module(void)
-{
-	pci_unregister_driver(&et131x_driver);
-}
-
-module_init(et131x_init_module);
-module_exit(et131x_cleanup_module);
-
+module_pci_driver(et131x_driver);
diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
index c4a8a0a..86a680c 100644
--- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
+++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c
@@ -97,11 +97,10 @@
 {
 	struct ft1000_info *info = netdev_priv(dev);
 
-	if (info->AsicID == ELECTRABUZZ_ID) {
+	if (info->AsicID == ELECTRABUZZ_ID)
 		return (ft1000_read_reg(dev, FT1000_REG_UFIFO_STAT) - 16);
-	} else {
+	else
 		return (ft1000_read_reg(dev, FT1000_REG_MAG_UFSR) - 16);
-	}
 }
 
 //---------------------------------------------------------------------------
@@ -116,7 +115,7 @@
 //     value  - value of dpram
 //
 //---------------------------------------------------------------------------
-u16 ft1000_read_dpram(struct net_device * dev, int offset)
+u16 ft1000_read_dpram(struct net_device *dev, int offset)
 {
 	struct ft1000_info *info = netdev_priv(dev);
 	unsigned long flags;
@@ -1997,42 +1996,43 @@
 	inttype = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
 
     // Make sure we process all interrupt before leaving the ISR due to the edge trigger interrupt type
-    while (inttype) {
-	if (inttype & ISR_DOORBELL_PEND) {
-		ft1000_parse_dpram_msg(dev);
+	while (inttype) {
+		if (inttype & ISR_DOORBELL_PEND)
+			ft1000_parse_dpram_msg(dev);
+
+		if (inttype & ISR_RCV) {
+			DEBUG(1, "Data in FIFO\n");
+
+			cnt = 0;
+			do {
+				// Check if we have packets in the Downlink FIFO
+				if (info->AsicID == ELECTRABUZZ_ID) {
+					tempword =
+					ft1000_read_reg(dev,
+							FT1000_REG_DFIFO_STAT);
+				} else {
+					tempword =
+					ft1000_read_reg(dev,
+							FT1000_REG_MAG_DFSR);
+				}
+				if (tempword & 0x1f) {
+					ft1000_copy_up_pkt(dev);
+				} else {
+					break;
+				}
+				cnt++;
+			} while (cnt < MAX_RCV_LOOP);
+
+		}
+		// clear interrupts
+		tempword = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
+		DEBUG(1, "ft1000_hw: interrupt status register = 0x%x\n", tempword);
+		ft1000_write_reg(dev, FT1000_REG_SUP_ISR, tempword);
+
+		// Read interrupt type
+		inttype = ft1000_read_reg (dev, FT1000_REG_SUP_ISR);
+		DEBUG(1,"ft1000_hw: interrupt status register after clear = 0x%x\n",inttype);
 	}
-
-	if (inttype & ISR_RCV) {
-		DEBUG(1, "Data in FIFO\n");
-
-		cnt = 0;
-		do {
-			// Check if we have packets in the Downlink FIFO
-			if (info->AsicID == ELECTRABUZZ_ID) {
-				tempword =
-					ft1000_read_reg(dev, FT1000_REG_DFIFO_STAT);
-			} else {
-				tempword =
-					ft1000_read_reg(dev, FT1000_REG_MAG_DFSR);
-			}
-			if (tempword & 0x1f) {
-				ft1000_copy_up_pkt(dev);
-			} else {
-				break;
-			}
-			cnt++;
-		} while (cnt < MAX_RCV_LOOP);
-
-	}
-	// clear interrupts
-	tempword = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
-	DEBUG(1, "ft1000_hw: interrupt status register = 0x%x\n", tempword);
-	ft1000_write_reg(dev, FT1000_REG_SUP_ISR, tempword);
-
-        // Read interrupt type
-        inttype = ft1000_read_reg (dev, FT1000_REG_SUP_ISR);
-        DEBUG(1,"ft1000_hw: interrupt status register after clear = 0x%x\n",inttype);
-    }
 	ft1000_enable_interrupts(dev);
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c
index 71aaad3..72727c6 100644
--- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c
+++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c
@@ -34,16 +34,14 @@
 
 #define PUTX_TO_PAGE(len, page, message, size, var) \
 	len += snprintf(page+len, PAGE_SIZE - len, message); \
-	for(i = 0; i < (size - 1); i++) \
-	{ \
+	for(i = 0; i < (size - 1); i++) { \
 		len += snprintf(page+len, PAGE_SIZE - len, "%02x:", var[i]); \
 	} \
 	len += snprintf(page+len, PAGE_SIZE - len, "%02x\n", var[i])
 
 #define PUTD_TO_PAGE(len, page, message, size, var) \
 	len += snprintf(page+len, PAGE_SIZE - len, message); \
-	for(i = 0; i < (size - 1); i++) \
-	{ \
+	for(i = 0; i < (size - 1); i++) { \
 		len += snprintf(page+len, PAGE_SIZE - len, "%d.", var[i]); \
 	} \
 	len += snprintf(page+len, PAGE_SIZE - len, "%d\n", var[i])
@@ -55,8 +53,8 @@
 	int len;
 	int i;
 	struct ft1000_info *info;
-	char *status[] =
-		{ "Idle (Disconnect)", "Searching", "Active (Connected)",
+	char *status[] = {
+		"Idle (Disconnect)", "Searching", "Active (Connected)",
 		"Waiting for L2", "Sleep", "No Coverage", "", ""
 	};
 	char *signal[] = { "", "*", "**", "***", "****" };
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c b/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c
index 19db23f..6d911fd 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c
@@ -167,7 +167,7 @@
 		goto fail;
 	}
 
-	dir = debugfs_create_dir(info->DeviceName, 0);
+	dir = debugfs_create_dir(info->DeviceName, NULL);
 	if (IS_ERR(dir)) {
 		result = PTR_ERR(dir);
 		goto debug_dir_fail;
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c
index bfead67..e8c4a4e5 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_usb.c
@@ -37,9 +37,9 @@
 MODULE_DEVICE_TABLE(usb, id_table);
 
 static bool gPollingfailed = FALSE;
-int ft1000_poll_thread(void *arg)
+static int ft1000_poll_thread(void *arg)
 {
-	int ret = STATUS_SUCCESS;
+	int ret;
 
 	while (!kthread_should_stop()) {
 		msleep(10);
@@ -237,7 +237,7 @@
 			ft1000_destroy_dev(pft1000info->pFt1000Dev->net);
 			unregister_netdev(pft1000info->pFt1000Dev->net);
 			DEBUG
-			    ("ft1000_disconnect: network device unregisterd\n");
+			    ("ft1000_disconnect: network device unregistered\n");
 			free_netdev(pft1000info->pFt1000Dev->net);
 
 		}
diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c
index 247602a..03fcf6e 100644
--- a/drivers/staging/iio/accel/adis16201_ring.c
+++ b/drivers/staging/iio/accel/adis16201_ring.c
@@ -70,7 +70,7 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)
@@ -85,8 +85,9 @@
 
 	ring->access->store_to(ring, (u8 *)data, pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/accel/adis16203_ring.c b/drivers/staging/iio/accel/adis16203_ring.c
index 7bbd2c2..c16b2b7 100644
--- a/drivers/staging/iio/accel/adis16203_ring.c
+++ b/drivers/staging/iio/accel/adis16203_ring.c
@@ -69,7 +69,7 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
@@ -86,8 +86,9 @@
 			      (u8 *)data,
 			      pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/accel/adis16204_ring.c b/drivers/staging/iio/accel/adis16204_ring.c
index f73518b..1d2b31c 100644
--- a/drivers/staging/iio/accel/adis16204_ring.c
+++ b/drivers/staging/iio/accel/adis16204_ring.c
@@ -66,7 +66,7 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
@@ -81,8 +81,9 @@
 
 	ring->access->store_to(ring, (u8 *)data, pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c
index 0906075..1a4a55c 100644
--- a/drivers/staging/iio/accel/adis16209_ring.c
+++ b/drivers/staging/iio/accel/adis16209_ring.c
@@ -66,7 +66,7 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
@@ -81,8 +81,9 @@
 
 	ring->access->store_to(ring, (u8 *)data, pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/accel/adis16240_ring.c b/drivers/staging/iio/accel/adis16240_ring.c
index 86a2a47..360dfed 100644
--- a/drivers/staging/iio/accel/adis16240_ring.c
+++ b/drivers/staging/iio/accel/adis16240_ring.c
@@ -64,7 +64,7 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
@@ -79,8 +79,9 @@
 
 	ring->access->store_to(ring, (u8 *)data, pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 51b00df..d7f8af7 100644
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -143,7 +143,7 @@
 	if (data == NULL) {
 		dev_err(indio_dev->dev.parent,
 			"memory alloc failed in buffer bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
@@ -156,8 +156,9 @@
 			= pf->timestamp;
 	buffer->access->store_to(buffer, (u8 *)data, pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 6ec5c20..c218d71 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -1189,7 +1189,7 @@
 		ret = request_threaded_irq(spi->irq,
 					   NULL,
 					   &sca3000_event_handler,
-					   IRQF_TRIGGER_FALLING,
+					   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 					   "sca3000",
 					   indio_dev);
 		if (ret)
diff --git a/drivers/staging/iio/adc/ad7298_ring.c b/drivers/staging/iio/adc/ad7298_ring.c
index cd3e9cb..fd1d855 100644
--- a/drivers/staging/iio/adc/ad7298_ring.c
+++ b/drivers/staging/iio/adc/ad7298_ring.c
@@ -82,7 +82,7 @@
 
 	b_sent = spi_sync(st->spi, &st->ring_msg);
 	if (b_sent)
-		return b_sent;
+		goto done;
 
 	if (indio_dev->scan_timestamp) {
 		time_ns = iio_get_time_ns();
@@ -95,6 +95,8 @@
 		buf[i] = be16_to_cpu(st->rx_buf[i]);
 
 	indio_dev->buffer->access->store_to(ring, (u8 *)buf, time_ns);
+
+done:
 	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
diff --git a/drivers/staging/iio/adc/ad7476_ring.c b/drivers/staging/iio/adc/ad7476_ring.c
index 10f8b8d..d087b21 100644
--- a/drivers/staging/iio/adc/ad7476_ring.c
+++ b/drivers/staging/iio/adc/ad7476_ring.c
@@ -31,7 +31,7 @@
 
 	rxbuf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (rxbuf == NULL)
-		return -ENOMEM;
+		goto done;
 
 	b_sent = spi_read(st->spi, rxbuf,
 			  st->chip_info->channel[0].scan_type.storagebits / 8);
diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index 5356b09..c5fb947 100644
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -402,7 +402,7 @@
 		ret = request_threaded_irq(spi_dev->irq,
 					   NULL,
 					   &ad7816_event_handler,
-					   IRQF_TRIGGER_LOW,
+					   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 					   indio_dev->name,
 					   indio_dev);
 		if (ret)
diff --git a/drivers/staging/iio/adc/ad7887_ring.c b/drivers/staging/iio/adc/ad7887_ring.c
index 1c406da..c76fdb5 100644
--- a/drivers/staging/iio/adc/ad7887_ring.c
+++ b/drivers/staging/iio/adc/ad7887_ring.c
@@ -82,7 +82,7 @@
 
 	buf = kzalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (buf == NULL)
-		return -ENOMEM;
+		goto done;
 
 	b_sent = spi_sync(st->spi, st->ring_msg);
 	if (b_sent)
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index 2d4bda9..9900507 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -350,10 +350,10 @@
 
 	ret = ad799x_i2c_read8(st, AD7998_ALERT_STAT_REG, &status);
 	if (ret)
-		return ret;
+		goto done;
 
 	if (!status)
-		return -EIO;
+		goto done;
 
 	ad799x_i2c_write8(st, AD7998_ALERT_STAT_REG, AD7998_ALERT_STAT_CLEAR);
 
@@ -372,6 +372,7 @@
 				       iio_get_time_ns());
 	}
 
+done:
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c
index 0882c9e..858a685 100644
--- a/drivers/staging/iio/adc/ad799x_ring.c
+++ b/drivers/staging/iio/adc/ad799x_ring.c
@@ -81,8 +81,6 @@
 	ring->access->store_to(indio_dev->buffer, rxbuf, time_ns);
 done:
 	kfree(rxbuf);
-	if (b_sent < 0)
-		return b_sent;
 out:
 	iio_trigger_notify_done(indio_dev->trig);
 
diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c
index e5f1ed7..72460b6 100644
--- a/drivers/staging/iio/adc/adt7310.c
+++ b/drivers/staging/iio/adc/adt7310.c
@@ -397,7 +397,7 @@
 
 	ret = adt7310_spi_read_byte(chip, ADT7310_STATUS, &status);
 	if (ret)
-		return ret;
+		goto done;
 
 	if (status & ADT7310_STAT_T_HIGH)
 		iio_push_event(indio_dev,
@@ -417,6 +417,8 @@
 						    IIO_EV_TYPE_THRESH,
 						    IIO_EV_DIR_RISING),
 			timestamp);
+
+done:
 	return IRQ_HANDLED;
 }
 
@@ -778,7 +780,7 @@
 		ret = request_threaded_irq(spi_dev->irq,
 					   NULL,
 					   &adt7310_event_handler,
-					   irq_flags,
+					   irq_flags | IRQF_ONESHOT,
 					   indio_dev->name,
 					   indio_dev);
 		if (ret)
@@ -790,7 +792,8 @@
 		ret = request_threaded_irq(adt7310_platform_data[0],
 					   NULL,
 					   &adt7310_event_handler,
-					   adt7310_platform_data[1],
+					   adt7310_platform_data[1] |
+					   IRQF_ONESHOT,
 					   indio_dev->name,
 					   indio_dev);
 		if (ret)
diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
index 42fe2c8..4157596 100644
--- a/drivers/staging/iio/adc/adt7410.c
+++ b/drivers/staging/iio/adc/adt7410.c
@@ -257,7 +257,7 @@
 
 	chip->config = config;
 
-	return ret;
+	return len;
 }
 
 static IIO_DEVICE_ATTR(resolution, S_IRUGO | S_IWUSR,
@@ -293,26 +293,17 @@
 {
 	char sign = ' ';
 
-	if (chip->config & ADT7410_RESOLUTION) {
-		if (data & ADT7410_T16_VALUE_SIGN) {
-			/* convert supplement to positive value */
-			data = (u16)((ADT7410_T16_VALUE_SIGN << 1) - (u32)data);
-			sign = '-';
-		}
-		return sprintf(buf, "%c%d.%.7d\n", sign,
-				(data >> ADT7410_T16_VALUE_FLOAT_OFFSET),
-				(data & ADT7410_T16_VALUE_FLOAT_MASK) * 78125);
-	} else {
-		if (data & ADT7410_T13_VALUE_SIGN) {
-			/* convert supplement to positive value */
-			data >>= ADT7410_T13_VALUE_OFFSET;
-			data = (ADT7410_T13_VALUE_SIGN << 1) - data;
-			sign = '-';
-		}
-		return sprintf(buf, "%c%d.%.4d\n", sign,
-				(data >> ADT7410_T13_VALUE_FLOAT_OFFSET),
-				(data & ADT7410_T13_VALUE_FLOAT_MASK) * 625);
+	if (!(chip->config & ADT7410_RESOLUTION))
+		data &= ~0x7;
+
+	if (data & ADT7410_T16_VALUE_SIGN) {
+		/* convert supplement to positive value */
+		data = (u16)((ADT7410_T16_VALUE_SIGN << 1) - (u32)data);
+		sign = '-';
 	}
+	return sprintf(buf, "%c%d.%.7d\n", sign,
+			(data >> ADT7410_T16_VALUE_FLOAT_OFFSET),
+			(data & ADT7410_T16_VALUE_FLOAT_MASK) * 78125);
 }
 
 static ssize_t adt7410_show_value(struct device *dev,
@@ -746,7 +737,7 @@
 		ret = request_threaded_irq(client->irq,
 					   NULL,
 					   &adt7410_event_handler,
-					   IRQF_TRIGGER_LOW,
+					   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 					   id->name,
 					   indio_dev);
 		if (ret)
@@ -758,7 +749,8 @@
 		ret = request_threaded_irq(adt7410_platform_data[0],
 					   NULL,
 					   &adt7410_event_handler,
-					   adt7410_platform_data[1],
+					   adt7410_platform_data[1] |
+					   IRQF_ONESHOT,
 					   id->name,
 					   indio_dev);
 		if (ret)
diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c
index b302013..774ae1b 100644
--- a/drivers/staging/iio/adc/max1363_ring.c
+++ b/drivers/staging/iio/adc/max1363_ring.c
@@ -64,17 +64,17 @@
 	 * no harm.
 	 */
 	if (numvals == 0)
-		return IRQ_HANDLED;
+		goto done;
 
 	rxbuf = kmalloc(d_size,	GFP_KERNEL);
 	if (rxbuf == NULL)
-		return -ENOMEM;
+		goto done;
 	if (st->chip_info->bits != 8)
 		b_sent = i2c_master_recv(st->client, rxbuf, numvals*2);
 	else
 		b_sent = i2c_master_recv(st->client, rxbuf, numvals);
 	if (b_sent < 0)
-		goto done;
+		goto done_free;
 
 	time_ns = iio_get_time_ns();
 
@@ -82,9 +82,10 @@
 		memcpy(rxbuf + d_size - sizeof(s64), &time_ns, sizeof(time_ns));
 	iio_push_to_buffer(indio_dev->buffer, rxbuf, time_ns);
 
+done_free:
+	kfree(rxbuf);
 done:
 	iio_trigger_notify_done(indio_dev->trig);
-	kfree(rxbuf);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
index a16d1a2..6a40414 100644
--- a/drivers/staging/iio/cdc/ad7150.c
+++ b/drivers/staging/iio/cdc/ad7150.c
@@ -585,7 +585,8 @@
 					   NULL,
 					   &ad7150_event_handler,
 					   IRQF_TRIGGER_RISING |
-					   IRQF_TRIGGER_FALLING,
+					   IRQF_TRIGGER_FALLING |
+					   IRQF_ONESHOT,
 					   "ad7150_irq1",
 					   indio_dev);
 		if (ret)
@@ -598,7 +599,8 @@
 					   NULL,
 					   &ad7150_event_handler,
 					   IRQF_TRIGGER_RISING |
-					   IRQF_TRIGGER_FALLING,
+					   IRQF_TRIGGER_FALLING |
+					   IRQF_ONESHOT,
 					   "ad7150_irq2",
 					   indio_dev);
 		if (ret)
diff --git a/drivers/staging/iio/gyro/adis16260_ring.c b/drivers/staging/iio/gyro/adis16260_ring.c
index 0fe2d9d..eeee8e7 100644
--- a/drivers/staging/iio/gyro/adis16260_ring.c
+++ b/drivers/staging/iio/gyro/adis16260_ring.c
@@ -69,7 +69,7 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
@@ -84,8 +84,9 @@
 
 	ring->access->store_to(ring, (u8 *)data, pf->timestamp);
 
-	iio_trigger_notify_done(indio_dev->trig);
 	kfree(data);
+done:
+	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c
index b9e6093..c0951f9 100644
--- a/drivers/staging/iio/iio_simple_dummy_buffer.c
+++ b/drivers/staging/iio/iio_simple_dummy_buffer.c
@@ -52,7 +52,7 @@
 
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL)
-		return -ENOMEM;
+		goto done;
 
 	if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) {
 		/*
@@ -91,6 +91,7 @@
 
 	kfree(data);
 
+done:
 	/*
 	 * Tell the core we are done with this trigger and ready for the
 	 * next one.
diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c
index 809e2c4..beec650 100644
--- a/drivers/staging/iio/imu/adis16400_ring.c
+++ b/drivers/staging/iio/imu/adis16400_ring.c
@@ -125,20 +125,20 @@
 	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (data == NULL) {
 		dev_err(&st->us->dev, "memory alloc failed in ring bh");
-		return -ENOMEM;
+		goto done;
 	}
 
 	if (scan_count) {
 		if (st->variant->flags & ADIS16400_NO_BURST) {
 			ret = adis16350_spi_read_all(indio_dev, st->rx);
 			if (ret < 0)
-				goto err;
+				goto done;
 			for (; i < scan_count; i++)
 				data[i]	= *(s16 *)(st->rx + i*2);
 		} else {
 			ret = adis16400_spi_read_burst(indio_dev, st->rx);
 			if (ret < 0)
-				goto err;
+				goto done;
 			for (; i < scan_count; i++) {
 				j = __ffs(mask);
 				mask &= ~(1 << j);
@@ -152,14 +152,11 @@
 		*((s64 *)(data + ((i + 3)/4)*4)) = pf->timestamp;
 	ring->access->store_to(indio_dev->buffer, (u8 *) data, pf->timestamp);
 
+done:
+	kfree(data);
 	iio_trigger_notify_done(indio_dev->trig);
 
-	kfree(data);
 	return IRQ_HANDLED;
-
-err:
-	kfree(data);
-	return ret;
 }
 
 void adis16400_unconfigure_ring(struct iio_dev *indio_dev)
diff --git a/drivers/staging/phison/phison.c b/drivers/staging/phison/phison.c
index d77b21f..919cb95 100644
--- a/drivers/staging/phison/phison.c
+++ b/drivers/staging/phison/phison.c
@@ -87,18 +87,7 @@
 #endif
 };
 
-static int __init phison_ide_init(void)
-{
-	return pci_register_driver(&phison_pci_driver);
-}
-
-static void __exit phison_ide_exit(void)
-{
-	pci_unregister_driver(&phison_pci_driver);
-}
-
-module_init(phison_ide_init);
-module_exit(phison_ide_exit);
+module_pci_driver(phison_pci_driver);
 
 MODULE_AUTHOR("Evan Ko");
 MODULE_DESCRIPTION("PCIE driver module for PHISON PS5000 E-BOX");
diff --git a/drivers/staging/rts_pstor/sd.c b/drivers/staging/rts_pstor/sd.c
index b9474a8..3cc9a48 100644
--- a/drivers/staging/rts_pstor/sd.c
+++ b/drivers/staging/rts_pstor/sd.c
@@ -137,11 +137,10 @@
 {
 	u8 stat;
 
-	if (CHECK_PID(chip, 0x5209)) {
+	if (CHECK_PID(chip, 0x5209))
 		RTSX_READ_REG(chip, REG_SD_BUS_STAT, &stat);
-	} else {
+	else
 		RTSX_READ_REG(chip, REG_SD_STAT1, &stat);
-	}
 
 	if (!(stat & SD_DAT0_STATUS)) {
 		sd_set_err_code(chip, SD_BUSY);
@@ -188,9 +187,9 @@
 		     SD_TRANSFER_END | SD_STAT_IDLE, SD_TRANSFER_END | SD_STAT_IDLE);
 
 	if (rsp_type == SD_RSP_TYPE_R2) {
-		for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; reg_addr++) {
+		for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; reg_addr++)
 			rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
-		}
+
 		stat_idx = 16;
 	} else if (rsp_type != SD_RSP_TYPE_R0) {
 		for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4; reg_addr++) {
diff --git a/drivers/staging/sbe-2t3e3/module.c b/drivers/staging/sbe-2t3e3/module.c
index e87fe81..cd778b3 100644
--- a/drivers/staging/sbe-2t3e3/module.c
+++ b/drivers/staging/sbe-2t3e3/module.c
@@ -194,17 +194,6 @@
 	.remove   = t3e3_remove_card,
 };
 
-static int __init t3e3_init_module(void)
-{
-	return pci_register_driver(&t3e3_pci_driver);
-}
-
-static void __exit t3e3_cleanup_module(void)
-{
-	pci_unregister_driver(&t3e3_pci_driver);
-}
-
-module_init(t3e3_init_module);
-module_exit(t3e3_cleanup_module);
+module_pci_driver(t3e3_pci_driver);
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, t3e3_pci_tbl);
diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c
index 270fcb8..205d0df 100644
--- a/drivers/staging/sep/sep_main.c
+++ b/drivers/staging/sep/sep_main.c
@@ -4492,30 +4492,5 @@
 	.remove = sep_remove
 };
 
-/**
- * sep_init - init function
- *
- * Module load time. Register the PCI device driver.
- */
-
-static int __init sep_init(void)
-{
-	return pci_register_driver(&sep_pci_driver);
-}
-
-
-/**
- * sep_exit - called to unload driver
- *
- * Unregister the driver The device will perform all the cleanup required.
- */
-static void __exit sep_exit(void)
-{
-	pci_unregister_driver(&sep_pci_driver);
-}
-
-
-module_init(sep_init);
-module_exit(sep_exit);
-
+module_pci_driver(sep_pci_driver);
 MODULE_LICENSE("GPL");
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index d2b82a7..56829fc 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -3196,7 +3196,6 @@
 	struct sliccard *card;
 	struct mcast_address *mcaddr, *mlist;
 
-	ASSERT(adapter);
 	slic_adapter_freeresources(adapter);
 	slic_unmap_mmio_space(adapter);
 	unregister_netdev(dev);
@@ -3235,6 +3234,7 @@
 	}
 	free_netdev(dev);
 	pci_release_regions(pcidev);
+	pci_disable_device(pcidev);
 }
 
 static int slic_entry_halt(struct net_device *dev)
@@ -3746,8 +3746,7 @@
 		rdhostid_offset = SLIC_RDHOSTID_1GB;
 		break;
 	default:
-		ASSERT(0);
-		break;
+		return -ENODEV;
 	}
 
 	hostid_reg =
diff --git a/drivers/staging/sm7xxfb/sm7xxfb.c b/drivers/staging/sm7xxfb/sm7xxfb.c
index e3511ec..7395196 100644
--- a/drivers/staging/sm7xxfb/sm7xxfb.c
+++ b/drivers/staging/sm7xxfb/sm7xxfb.c
@@ -808,8 +808,10 @@
 
 	sfb = smtc_alloc_fb_info(pdev, name);
 
-	if (!sfb)
+	if (!sfb) {
+		err = -ENOMEM;
 		goto failed_free;
+	}
 
 	sfb->chip_id = ent->device;
 	sprintf(name, "sm%Xfb", sfb->chip_id);
@@ -1058,18 +1060,7 @@
 	.driver.pm  = SM7XX_PM_OPS,
 };
 
-static int __init smtcfb_init(void)
-{
-	return pci_register_driver(&smtcfb_driver);
-}
-
-static void __exit smtcfb_exit(void)
-{
-	pci_unregister_driver(&smtcfb_driver);
-}
-
-module_init(smtcfb_init);
-module_exit(smtcfb_exit);
+module_pci_driver(smtcfb_driver);
 
 MODULE_AUTHOR("Siliconmotion ");
 MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards");
diff --git a/drivers/staging/speakup/i18n.c b/drivers/staging/speakup/i18n.c
index c211943..ca01734 100644
--- a/drivers/staging/speakup/i18n.c
+++ b/drivers/staging/speakup/i18n.c
@@ -71,7 +71,7 @@
 	[MSG_CTL_SHIFT] = "shift",
 	[MSG_CTL_ALTGR] = "altgr",
 	[MSG_CTL_CONTROL] = "control",
-	[MSG_CTL_ALT] = "ault",
+	[MSG_CTL_ALT] = "alt",
 	[MSG_CTL_LSHIFT] = "l shift",
 	[MSG_CTL_SPEAKUP] = "speakup",
 	[MSG_CTL_LCONTROL] = "l control",
diff --git a/drivers/staging/speakup/speakup_acnt.h b/drivers/staging/speakup/speakup_acnt.h
index 2d88365..6376fca 100644
--- a/drivers/staging/speakup/speakup_acnt.h
+++ b/drivers/staging/speakup/speakup_acnt.h
@@ -12,5 +12,5 @@
 				   to accept a byte of data. */
 #define SYNTH_QUIET	'S' /* synth is not speaking */
 #define SYNTH_FULL	'F' /* synth is full. */
-#define SYNTH_ALMOST_EMPTY 'M' /* synth has les than 2 seconds of text left */
+#define SYNTH_ALMOST_EMPTY 'M' /* synth has less than 2 seconds of text left */
 #define SYNTH_SPEAKING	's' /* synth is speaking and has a fare way to go */
diff --git a/drivers/staging/speakup/speakup_decpc.c b/drivers/staging/speakup/speakup_decpc.c
index de25527..a09a0c9 100644
--- a/drivers/staging/speakup/speakup_decpc.c
+++ b/drivers/staging/speakup/speakup_decpc.c
@@ -66,7 +66,7 @@
 #define	CMD_null		0x0000	/* post status */
 #define	CMD_control		0x1000	/* hard control command */
 #define	CTRL_mask		0x0F00	/*   mask off control nibble */
-#define	CTRL_data		0x00FF	/*   madk to get data byte */
+#define	CTRL_data		0x00FF	/*   mask to get data byte */
 #define	CTRL_null		0x0000	/*   null control */
 #define	CTRL_vol_up		0x0100	/*   increase volume */
 #define	CTRL_vol_down		0x0200	/*   decrease volume */
diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
index 331eae7..df95337 100644
--- a/drivers/staging/speakup/synth.c
+++ b/drivers/staging/speakup/synth.c
@@ -64,7 +64,7 @@
 /* Main loop of the progression thread: keep eating from the buffer
  * and push to the serial port, waiting as needed
  *
- * For devices that have a "full" notification mecanism, the driver can
+ * For devices that have a "full" notification mechanism, the driver can
  * adapt the loop the way they prefer.
  */
 void spk_do_catch_up(struct spk_synth *synth)
diff --git a/drivers/staging/vt6655/80211hdr.h b/drivers/staging/vt6655/80211hdr.h
index f55283b..c4d2349 100644
--- a/drivers/staging/vt6655/80211hdr.h
+++ b/drivers/staging/vt6655/80211hdr.h
@@ -80,7 +80,6 @@
 #define WLAN_HDR_ADDR4_LEN          30
 #define WLAN_IEHDR_LEN              2
 #define WLAN_SSID_MAXLEN            32
-/*#define WLAN_RATES_MAXLEN           255*/
 #define WLAN_RATES_MAXLEN           16
 #define WLAN_RATES_MAXLEN_11B       4
 #define WLAN_RSN_MAXLEN             32
@@ -106,7 +105,6 @@
 #define WLAN_WEP40_KEYLEN           5
 #define WLAN_WEP104_KEYLEN          13
 #define WLAN_WEP232_KEYLEN          29
-/*#define WLAN_WEPMAX_KEYLEN          29*/
 #define WLAN_WEPMAX_KEYLEN          32
 #define WLAN_CHALLENGE_IE_MAXLEN    255
 #define WLAN_CHALLENGE_IE_LEN       130
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index 1e1c6e3..e7b93a2 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -60,8 +60,6 @@
 //static int          msglevel                =MSG_LEVEL_DEBUG;
 static int          msglevel                =MSG_LEVEL_INFO;
 
-//#define	PLICE_DEBUG
-
 /*---------------------  Static Classes  ----------------------------*/
 
 /*---------------------  Static Variables  --------------------------*/
diff --git a/drivers/staging/vt6655/baseband.h b/drivers/staging/vt6655/baseband.h
index 8294bdb..be2d689 100644
--- a/drivers/staging/vt6655/baseband.h
+++ b/drivers/staging/vt6655/baseband.h
@@ -46,36 +46,6 @@
 // Baseband RF pair definition in eeprom (Bits 6..0)
 //
 
-/*
-#define RATE_1M         0
-#define RATE_2M         1
-#define RATE_5M         2
-#define RATE_11M        3
-#define RATE_6M         4
-#define RATE_9M         5
-#define RATE_12M        6
-#define RATE_18M        7
-#define RATE_24M        8
-#define RATE_36M        9
-#define RATE_48M       10
-#define RATE_54M       11
-#define RATE_AUTO      12
-#define MAX_RATE       12
-
-
-//0:11A 1:11B 2:11G
-#define BB_TYPE_11A    0
-#define BB_TYPE_11B    1
-#define BB_TYPE_11G    2
-
-//0:11a,1:11b,2:11gb(only CCK in BasicRate),3:11ga(OFDM in Basic Rate)
-#define PK_TYPE_11A     0
-#define PK_TYPE_11B     1
-#define PK_TYPE_11GB    2
-#define PK_TYPE_11GA    3
-*/
-
-
 #define PREAMBLE_LONG   0
 #define PREAMBLE_SHORT  1
 
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c
index f4f108f..fcffa4f 100644
--- a/drivers/staging/vt6655/bssdb.c
+++ b/drivers/staging/vt6655/bssdb.c
@@ -58,7 +58,6 @@
 #include "wpa2.h"
 #include "iowpa.h"
 
-//#define	PLICE_DEBUG
 /*---------------------  Static Definitions -------------------------*/
 
 
diff --git a/drivers/staging/vt6655/desc.h b/drivers/staging/vt6655/desc.h
index 138897a..084a1a5 100644
--- a/drivers/staging/vt6655/desc.h
+++ b/drivers/staging/vt6655/desc.h
@@ -152,10 +152,6 @@
 #define FRAGCTL_TKIP        0x0002 // 0000 0010 0000 0000
 #define FRAGCTL_LEGACY      0x0001 // 0000 0001 0000 0000
 #define FRAGCTL_NONENCRYPT  0x0000 // 0000 0000 0000 0000
-//#define FRAGCTL_AC3         0x0C00 // 0000 0000 0000 1100
-//#define FRAGCTL_AC2         0x0800 // 0000 0000 0000 1000
-//#define FRAGCTL_AC1         0x0400 // 0000 0000 0000 0100
-//#define FRAGCTL_AC0         0x0000 // 0000 0000 0000 0000
 #define FRAGCTL_ENDFRAG     0x0300 // 0000 0000 0000 0011
 #define FRAGCTL_MIDFRAG     0x0200 // 0000 0000 0000 0010
 #define FRAGCTL_STAFRAG     0x0100 // 0000 0000 0000 0001
@@ -184,10 +180,6 @@
 #define FRAGCTL_TKIP        0x0200 // 0000 0010 0000 0000
 #define FRAGCTL_LEGACY      0x0100 // 0000 0001 0000 0000
 #define FRAGCTL_NONENCRYPT  0x0000 // 0000 0000 0000 0000
-//#define FRAGCTL_AC3         0x000C // 0000 0000 0000 1100
-//#define FRAGCTL_AC2         0x0008 // 0000 0000 0000 1000
-//#define FRAGCTL_AC1         0x0004 // 0000 0000 0000 0100
-//#define FRAGCTL_AC0         0x0000 // 0000 0000 0000 0000
 #define FRAGCTL_ENDFRAG     0x0003 // 0000 0000 0000 0011
 #define FRAGCTL_MIDFRAG     0x0002 // 0000 0000 0000 0010
 #define FRAGCTL_STAFRAG     0x0001 // 0000 0000 0000 0001
@@ -195,8 +187,6 @@
 
 #endif // #ifdef __BIG_ENDIAN
 
-//#define TYPE_AC0DMA     0
-//#define TYPE_TXDMA0     1
 #define TYPE_TXDMA0     0
 #define TYPE_AC0DMA     1
 #define TYPE_ATIMDMA    2
@@ -215,7 +205,6 @@
 #define TD_FLAGS_NETIF_SKB               0x01       // check if need release skb
 #define TD_FLAGS_PRIV_SKB                0x02       // check if called from private skb(hostap)
 #define TD_FLAGS_PS_RETRY                0x04       // check if PS STA frame re-transmit
-//#define TD_FLAGS_NETIF_SKB                0x04
 
 /*---------------------  Export Types  ------------------------------*/
 
diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index 780205c..c5e6b98 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -69,10 +69,6 @@
 #ifndef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 #define WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 #endif
-//2008-4-14<add> by chester for led issue
-//#define FOR_LED_ON_NOTEBOOK
-//
-
 
 //
 // device specific
@@ -91,12 +87,6 @@
 #include "key.h"
 #include "mac.h"
 
-//PLICE_DEBUG->
-//#define		THREAD
-
-//#define	TASK_LET
-//PLICE_DEBUG<-
-
 
 /*---------------------  Export Definitions -------------------------*/
 
@@ -105,11 +95,6 @@
 #define MAX_MULTICAST_ADDRESS_NUM       32
 #define MULTICAST_ADDRESS_LIST_SIZE     (MAX_MULTICAST_ADDRESS_NUM * ETH_ALEN)
 
-
-//#define OP_MODE_INFRASTRUCTURE  0
-//#define OP_MODE_ADHOC           1
-//#define OP_MODE_AP              2
-
 #define DUPLICATE_RX_CACHE_LENGTH       5
 
 #define NUM_KEY_ENTRY                   11
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 3e8283c..89d1c22 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -87,12 +87,10 @@
 #include <linux/kthread.h>
 #include <linux/slab.h>
 
-//#define	DEBUG
 /*---------------------  Static Definitions -------------------------*/
 //static int          msglevel                =MSG_LEVEL_DEBUG;
 static int          msglevel                =   MSG_LEVEL_INFO;
 
-//#define	PLICE_DEBUG
 //
 // Define module options
 //
@@ -100,10 +98,8 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("VIA Networking Solomon-A/B/G Wireless LAN Adapter Driver");
 
-//PLICE_DEBUG ->
 	static int mlme_kill;
 	//static  struct task_struct * mlme_task;
-//PLICE_DEBUG <-
 
 #define DEVICE_PARAM(N,D)
 /*
@@ -1086,15 +1082,6 @@
         device_free_info(pDevice);
         return -ENODEV;
     }
-//2008-07-21-01<Add>by MikeLiu
-//register wpadev
-#if 0
-   if(wpa_set_wpadev(pDevice, 1)!=0) {
-     printk("Fail to Register WPADEV?\n");
-        unregister_netdev(pDevice->dev);
-        free_netdev(dev);
-   }
-#endif
     device_print_info(pDevice);
     pci_set_drvdata(pcid, pDevice);
     return 0;
@@ -1948,15 +1935,6 @@
 
 
 
-#if 0
-	pDevice->MLMEThr_pid = kernel_thread(MlmeThread, pDevice, CLONE_VM);
-	if (pDevice->MLMEThr_pid <0 )
-	{
-		printk("unable start thread MlmeThread\n");
-		return -1;
-	}
-#endif
-
 	//printk("thread id is %d\n",pDevice->MLMEThr_pid);
 	//printk("Create thread time is %x\n",jiffies);
 	//wait_for_completion(&pDevice->notify);
@@ -2493,21 +2471,6 @@
                                 &(pDevice->byTopCCKBasicRate),
                                 &(pDevice->byTopOFDMBasicRate));
 
-#if 0
-printk("auto rate:Rate : %d,AckRate:%d,TopCCKRate:%d,TopOFDMRate:%d\n",
-pDevice->wCurrentRate,pDevice->byACKRate,
-pDevice->byTopCCKBasicRate,pDevice->byTopOFDMBasicRate);
-
-#endif
-
-#if 0
-
-	pDevice->wCurrentRate = 11;
-	pDevice->byACKRate = 8;
-	pDevice->byTopCCKBasicRate = 3;
-	pDevice->byTopOFDMBasicRate = 8;
-#endif
-
 
 		}
     }
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index c0fab4b..e8a71ba 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -55,7 +55,6 @@
 #include "iowpa.h"
 #include "aes_ccmp.h"
 
-//#define	PLICE_DEBUG
 
 
 /*---------------------  Static Definitions -------------------------*/
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c
index 7735027..6ac6f45 100644
--- a/drivers/staging/vt6655/hostap.c
+++ b/drivers/staging/vt6655/hostap.c
@@ -40,14 +40,8 @@
 
 #define VIAWGET_HOSTAPD_MAX_BUF_SIZE 1024
 #define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT0
-#define HOSTAP_CRYPT_FLAG_PERMANENT BIT1
-#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
 #define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
-#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
 #define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
-#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
-#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
-
 
 /*---------------------  Static Definitions -------------------------*/
 
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index 87288db..77aad7f 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -84,24 +84,6 @@
 
 	pDevice->wstats.status = pDevice->eOPMode;
 	#ifdef Calcu_LinkQual
-	 #if 0
-	  if(pDevice->byBBType == BB_TYPE_11B) {
-	     if(pDevice->byCurrSQ > 120)
-                  pDevice->scStatistic.LinkQuality = 100;
-	     else
-		 pDevice->scStatistic.LinkQuality = pDevice->byCurrSQ*100/120;
-	    }
-	  else if(pDevice->byBBType == BB_TYPE_11G) {
-                if(pDevice->byCurrSQ < 20)
-		   pDevice->scStatistic.LinkQuality = 100;
-	       else if(pDevice->byCurrSQ >96)
-		   pDevice->scStatistic.LinkQuality  = 0;
-	       else
-		   pDevice->scStatistic.LinkQuality = (96-pDevice->byCurrSQ)*100/76;
-	   }
-	   if(pDevice->bLinkPass !=true)
-	       pDevice->scStatistic.LinkQuality = 0;
-	  #endif
 	   if(pDevice->scStatistic.LinkQuality > 100)
    	       pDevice->scStatistic.LinkQuality = 100;
                pDevice->wstats.qual.qual =(unsigned char) pDevice->scStatistic.LinkQuality;
@@ -2004,24 +1986,6 @@
 param->u.wpa_key.seq = (u8 *)seq;
 param->u.wpa_key.seq_len = seq_len;
 
-#if 0
-printk("param->u.wpa_key.alg_name =%d\n",param->u.wpa_key.alg_name);
-printk(KERN_DEBUG "param->addr=%pM\n", param->addr);
-printk("param->u.wpa_key.set_tx =%d\n",param->u.wpa_key.set_tx);
-printk("param->u.wpa_key.key_index =%d\n",param->u.wpa_key.key_index);
-printk("param->u.wpa_key.key_len =%d\n",param->u.wpa_key.key_len);
-printk("param->u.wpa_key.key =");
-for(ii=0;ii<param->u.wpa_key.key_len;ii++)
-	printk("%02x:",param->u.wpa_key.key[ii]);
-         printk("\n");
-printk("param->u.wpa_key.seq_len =%d\n",param->u.wpa_key.seq_len);
-printk("param->u.wpa_key.seq =");
-for(ii=0;ii<param->u.wpa_key.seq_len;ii++)
-	printk("%02x:",param->u.wpa_key.seq[ii]);
-         printk("\n");
-
-printk("...........\n");
-#endif
 //****set if current action is Network Manager count??
 //****this method is so foolish,but there is no other way???
 if(param->u.wpa_key.alg_name == WPA_ALG_NONE) {
diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index b96d27e..e3ccfee 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -292,19 +292,11 @@
 //
 #define EnCFG_BarkerPream   0x00020000
 #define EnCFG_NXTBTTCFPSTR  0x00010000
-//#define EnCFG_TXLMT3UPDATE  0x00008000
-//#define EnCFG_TXLMT2UPDATE  0x00004000
-//#define EnCFG_TXLMT1UPDATE  0x00002000
-//#define EnCFG_TXLMT3EN      0x00001000
-//#define EnCFG_TXLMT2EN      0x00000800
-//#define EnCFG_TXLMT1EN      0x00000400
 #define EnCFG_BcnSusClr     0x00000200
 #define EnCFG_BcnSusInd     0x00000100
-//#define EnCFG_CWOFF1        0x00000080
 #define EnCFG_CFP_ProtectEn 0x00000040
 #define EnCFG_ProtectMd     0x00000020
 #define EnCFG_HwParCFP      0x00000010
-//#define EnCFG_QOS           0x00000008
 #define EnCFG_CFNULRSP      0x00000004
 #define EnCFG_BBType_MASK   0x00000003
 #define EnCFG_BBType_g      0x00000002
@@ -392,14 +384,6 @@
 #define IMR_RADARDETECT     0x10000000      //
 #define IMR_MEASUREEND      0x08000000      //
 #define IMR_SOFTTIMER1      0x00200000      //
-//#define IMR_SYNCFLUSHOK     0x00100000      //
-//#define IMR_ATIMEND         0x00080000      //0000 1000 0000 0000 0000 0000
-//#define IMR_CFPEND          0x00040000      //0000 0100 0000 0000 0000 0000
-//#define IMR_AC3DMA          0x00020000      //0000 0010 0000 0000 0000 0000
-//#define IMR_AC2DMA          0x00010000      //0000 0001 0000 0000 0000 0000
-//#define IMR_AC1DMA          0x00008000      //0000 0000 1000 0000 0000 0000
-//#define IMR_SYNCTX          0x00004000      //0000 0000 0100 0000 0000 0000
-//#define IMR_ATIMTX          0x00002000      //0000 0000 0010 0000 0000 0000
 #define IMR_RXDMA1          0x00001000      //0000 0000 0001 0000 0000 0000
 #define IMR_RXNOBUF         0x00000800      //
 #define IMR_MIBNEARFULL     0x00000400      //
@@ -424,14 +408,6 @@
 #define ISR_RADARDETECT     0x10000000      //
 #define ISR_MEASUREEND      0x08000000      //
 #define ISR_SOFTTIMER1      0x00200000      //
-//#define ISR_SYNCFLUSHOK     0x00100000      //0001 0000 0000 0000 0000 0000
-//#define ISR_ATIMEND         0x00080000      //0000 1000 0000 0000 0000 0000
-//#define ISR_CFPEND          0x00040000      //0000 0100 0000 0000 0000 0000
-//#define ISR_AC3DMA          0x00020000      //0000 0010 0000 0000 0000 0000
-//#define ISR_AC2DMA          0x00010000      //0000 0001 0000 0000 0000 0000
-//#define ISR_AC1DMA          0x00008000      //0000 0000 1000 0000 0000 0000
-//#define ISR_SYNCTX          0x00004000      //0000 0000 0100 0000 0000 0000
-//#define ISR_ATIMTX          0x00002000      //0000 0000 0010 0000 0000 0000
 #define ISR_RXDMA1          0x00001000      //0000 0000 0001 0000 0000 0000
 #define ISR_RXNOBUF         0x00000800      //0000 0000 0000 1000 0000 0000
 #define ISR_MIBNEARFULL     0x00000400      //0000 0000 0000 0100 0000 0000
diff --git a/drivers/staging/vt6655/mib.h b/drivers/staging/vt6655/mib.h
index 009f3a4..5cd697a 100644
--- a/drivers/staging/vt6655/mib.h
+++ b/drivers/staging/vt6655/mib.h
@@ -98,7 +98,6 @@
 } SMib2Counter, *PSMib2Counter;
 
 // Value in the ifType entry
-//#define ETHERNETCSMACD      6           //
 #define WIRELESSLANIEEE80211b      6           //
 
 // Value in the ifAdminStatus/ifOperStatus entry
@@ -210,7 +209,6 @@
 #define UNDER_CREATION      3           //
 #define INVALID             4           //
 
-//#define MAX_RATE            12
 //
 // statistic counter
 //
diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c
index b8ec783..aa69665 100644
--- a/drivers/staging/vt6655/rf.c
+++ b/drivers/staging/vt6655/rf.c
@@ -41,52 +41,16 @@
 
 //static int          msglevel                =MSG_LEVEL_INFO;
 
-#define BY_RF2959_REG_LEN     23 //24bits
-#define CB_RF2959_INIT_SEQ    15
-#define SWITCH_CHANNEL_DELAY_RF2959 200 //us
-#define RF2959_PWR_IDX_LEN    32
-
-#define BY_MA2825_REG_LEN     23 //24bit
-#define CB_MA2825_INIT_SEQ    13
-#define SWITCH_CHANNEL_DELAY_MA2825 200 //us
-#define MA2825_PWR_IDX_LEN    31
-
 #define BY_AL2230_REG_LEN     23 //24bit
 #define CB_AL2230_INIT_SEQ    15
 #define SWITCH_CHANNEL_DELAY_AL2230 200 //us
 #define AL2230_PWR_IDX_LEN    64
 
 
-#define BY_UW2451_REG_LEN     23
-#define CB_UW2451_INIT_SEQ    6
-#define SWITCH_CHANNEL_DELAY_UW2451 200 //us
-#define UW2451_PWR_IDX_LEN    25
-
-//{{ RobertYu: 20041118
-#define BY_MA2829_REG_LEN     23 //24bit
-#define CB_MA2829_INIT_SEQ    13
-#define SWITCH_CHANNEL_DELAY_MA2829 200 //us
-#define MA2829_PWR_IDX_LEN    64
-//}} RobertYu
-
-//{{ RobertYu:20050103
 #define BY_AL7230_REG_LEN     23 //24bit
 #define CB_AL7230_INIT_SEQ    16
 #define SWITCH_CHANNEL_DELAY_AL7230 200 //us
 #define AL7230_PWR_IDX_LEN    64
-//}} RobertYu
-
-//{{ RobertYu: 20041210
-#define BY_UW2452_REG_LEN     23
-#define CB_UW2452_INIT_SEQ    5 //RoberYu:20050113, Rev0.2 Programming Guide(remove R3, so 6-->5)
-#define SWITCH_CHANNEL_DELAY_UW2452 100 //us
-#define UW2452_PWR_IDX_LEN    64
-//}} RobertYu
-
-#define BY_VT3226_REG_LEN     23
-#define CB_VT3226_INIT_SEQ    12
-#define SWITCH_CHANNEL_DELAY_VT3226 200 //us
-#define VT3226_PWR_IDX_LEN    16
 
 /*---------------------  Static Classes  ----------------------------*/
 
@@ -1067,48 +1031,6 @@
 		break;
     }
 
-#if 0
-
-    // 802.11h TPC
-    if (pDevice->bLinkPass == true) {
-        // do not over local constraint
-        if (byPwrdBm > pDevice->abyLocalPwr[uCH]) {
-            pDevice->byCurPwrdBm = pDevice->abyLocalPwr[uCH];
-            byDec = byPwrdBm - pDevice->abyLocalPwr[uCH];
-            if (pDevice->byRFType == RF_UW2452) {
-                byDec *= 3;
-            } else {
-                byDec <<= 1;
-            }
-            if (byPwr > byDec) {
-                byPwr -= byDec;
-            } else {
-                byPwr = 0;
-            }
-        } else {
-            pDevice->byCurPwrdBm = byPwrdBm;
-        }
-    } else {
-        // do not over regulatory constraint
-        if (byPwrdBm > pDevice->abyRegPwr[uCH]) {
-            pDevice->byCurPwrdBm = pDevice->abyRegPwr[uCH];
-            byDec = byPwrdBm - pDevice->abyRegPwr[uCH];
-            if (pDevice->byRFType == RF_UW2452) {
-                byDec *= 3;
-            } else {
-                byDec <<= 1;
-            }
-            if (byPwr > byDec) {
-                byPwr -= byDec;
-            } else {
-                byPwr = 0;
-            }
-        } else {
-            pDevice->byCurPwrdBm = byPwrdBm;
-        }
-    }
-#endif
-
 //    if (pDevice->byLocalID <= REV_ID_VT3253_B1) {
     if (pDevice->byCurPwr == byPwr) {
         return true;
diff --git a/drivers/staging/vt6655/rf.h b/drivers/staging/vt6655/rf.h
index 1f8d82e..73f0969 100644
--- a/drivers/staging/vt6655/rf.h
+++ b/drivers/staging/vt6655/rf.h
@@ -41,7 +41,6 @@
 #define RF_MAXIMAG              0x02
 #define RF_AIROHA               0x03
 
-//#define RF_GCT5103              0x04
 #define RF_UW2451               0x05
 #define RF_MAXIMG               0x06
 #define RF_MAXIM2829            0x07 // RobertYu: 20041118
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index 787d885..6a68f97 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -90,8 +90,6 @@
 #define TYPE_CTL_ACK        0xd400
 
 
-//#define WEP_IV_MASK         0xFFFFFF00
-
 #else //if LITTLE_ENDIAN
 //
 // wType field in the SEthernetHeader
@@ -143,7 +141,6 @@
 #define TYPE_CTL_ACK        0x00d4
 
 
-//#define WEP_IV_MASK         0x00FFFFFF
 
 #endif //#ifdef __BIG_ENDIAN
 
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c
index 0491d0b..d645ecd 100644
--- a/drivers/staging/vt6655/vntwifi.c
+++ b/drivers/staging/vt6655/vntwifi.c
@@ -38,8 +38,6 @@
 #include "wmgr.h"
 #include "datarate.h"
 
-//#define	PLICE_DEBUG
-
 /*---------------------  Static Definitions -------------------------*/
 //static int          msglevel                =MSG_LEVEL_DEBUG;
 //static int          msglevel                =MSG_LEVEL_INFO;
diff --git a/drivers/staging/vt6655/wcmd.c b/drivers/staging/vt6655/wcmd.c
index bab3b01..7b5b99c 100644
--- a/drivers/staging/vt6655/wcmd.c
+++ b/drivers/staging/vt6655/wcmd.c
@@ -684,18 +684,6 @@
 	       return;
 	   }
 	          pDevice->byLinkWaitCount = 0;
-		 #if 0
-                     #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
-                    // if(pDevice->bWPASuppWextEnabled == true)
-                        {
-                  	union iwreq_data  wrqu;
-                  	memset(&wrqu, 0, sizeof (wrqu));
-                          wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-                  	printk("wireless_send_event--->SIOCGIWAP(disassociated:AUTHENTICATE_WAIT_timeout)\n");
-                  	wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
-                       }
-                    #endif
-	         #endif
             s_bCommandComplete(pDevice);
             break;
 
@@ -748,18 +736,6 @@
 	       return;
 	   }
 	          pDevice->byLinkWaitCount = 0;
-		#if 0
-                     #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
-                    // if(pDevice->bWPASuppWextEnabled == true)
-                        {
-                  	union iwreq_data  wrqu;
-                  	memset(&wrqu, 0, sizeof (wrqu));
-                          wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-                  	printk("wireless_send_event--->SIOCGIWAP(disassociated:ASSOCIATE_WAIT_timeout)\n");
-                  	wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
-                       }
-                    #endif
-		#endif
 
             s_bCommandComplete(pDevice);
             break;
diff --git a/drivers/staging/vt6656/80211hdr.h b/drivers/staging/vt6656/80211hdr.h
index 15c6ef1..b87d543 100644
--- a/drivers/staging/vt6656/80211hdr.h
+++ b/drivers/staging/vt6656/80211hdr.h
@@ -78,7 +78,6 @@
 #define WLAN_HDR_ADDR4_LEN          30
 #define WLAN_IEHDR_LEN              2
 #define WLAN_SSID_MAXLEN            32
-/* #define WLAN_RATES_MAXLEN           255 */
 #define WLAN_RATES_MAXLEN           16
 #define WLAN_RATES_MAXLEN_11B       4
 #define WLAN_RSN_MAXLEN             32
@@ -104,7 +103,6 @@
 #define WLAN_WEP40_KEYLEN           5
 #define WLAN_WEP104_KEYLEN          13
 #define WLAN_WEP232_KEYLEN          29
-/* #define WLAN_WEPMAX_KEYLEN          29 */
 #define WLAN_WEPMAX_KEYLEN          32
 #define WLAN_CHALLENGE_IE_MAXLEN    255
 #define WLAN_CHALLENGE_IE_LEN       130
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index a8f97eb..6b2ec39 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -64,8 +64,6 @@
 // send and receive non-IEEE 802.1X frames
 #define WLAN_STA_AUTHORIZED      BIT5
 
-//#define MAX_RATE            12
-
 #define MAX_WPA_IE_LEN      64
 
 
diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index 9d09e9f..e3ddc0b 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -66,7 +66,6 @@
 
 
 /*---------------------  Static Definitions -------------------------*/
-#define CB_TXPOWER_LEVEL            6
 
 /*---------------------  Static Classes  ----------------------------*/
 
diff --git a/drivers/staging/vt6656/card.h b/drivers/staging/vt6656/card.h
index 9cf71a3..55962b1 100644
--- a/drivers/staging/vt6656/card.h
+++ b/drivers/staging/vt6656/card.h
@@ -52,7 +52,6 @@
 } CARD_OP_MODE, *PCARD_OP_MODE;
 
 #define CB_MAX_CHANNEL_24G  14
-/* #define CB_MAX_CHANNEL_5G   24 */
 #define CB_MAX_CHANNEL_5G       42 /* add channel9(5045MHz), 41==>42 */
 #define CB_MAX_CHANNEL      (CB_MAX_CHANNEL_24G+CB_MAX_CHANNEL_5G)
 
diff --git a/drivers/staging/vt6656/channel.c b/drivers/staging/vt6656/channel.c
index 99e054d2..6502176 100644
--- a/drivers/staging/vt6656/channel.c
+++ b/drivers/staging/vt6656/channel.c
@@ -368,8 +368,6 @@
 /*                                           1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  */
 };
 
-#define NUM_RULES	ARRAY_SIZE(ChannelRuleTab)
-
 /*---------------------  Export function  -------------------------*/
 /************************************************************************
  * Country Channel Valid
diff --git a/drivers/staging/vt6656/desc.h b/drivers/staging/vt6656/desc.h
index 767112b..b68b2ec 100644
--- a/drivers/staging/vt6656/desc.h
+++ b/drivers/staging/vt6656/desc.h
@@ -36,8 +36,6 @@
 #include "ttype.h"
 #include "tether.h"
 
-/*---------------------  Export Definitions -------------------------*/
-
 // max transmit or receive buffer size
 #define CB_MAX_BUF_SIZE     2900U       // max buffer size
                                         // NOTE: must be multiple of 4
@@ -120,17 +118,11 @@
 #define FRAGCTL_TKIP        0x0200 // 0000 0010 0000 0000
 #define FRAGCTL_LEGACY      0x0100 // 0000 0001 0000 0000
 #define FRAGCTL_NONENCRYPT  0x0000 // 0000 0000 0000 0000
-//#define FRAGCTL_AC3         0x000C // 0000 0000 0000 1100
-//#define FRAGCTL_AC2         0x0008 // 0000 0000 0000 1000
-//#define FRAGCTL_AC1         0x0004 // 0000 0000 0000 0100
-//#define FRAGCTL_AC0         0x0000 // 0000 0000 0000 0000
 #define FRAGCTL_ENDFRAG     0x0003 // 0000 0000 0000 0011
 #define FRAGCTL_MIDFRAG     0x0002 // 0000 0000 0000 0010
 #define FRAGCTL_STAFRAG     0x0001 // 0000 0000 0000 0001
 #define FRAGCTL_NONFRAG     0x0000 // 0000 0000 0000 0000
 
-//#define TYPE_AC0DMA     0
-//#define TYPE_TXDMA0     1
 #define TYPE_TXDMA0     0
 #define TYPE_AC0DMA     1
 #define TYPE_ATIMDMA    2
@@ -147,9 +139,6 @@
 #define TD_FLAGS_NETIF_SKB               0x01       // check if need release skb
 #define TD_FLAGS_PRIV_SKB                0x02       // check if called from private skb(hostap)
 #define TD_FLAGS_PS_RETRY                0x04       // check if PS STA frame re-transmit
-//#define TD_FLAGS_NETIF_SKB                0x04
-
-/*---------------------  Export Types  ------------------------------*/
 
 //
 // RsvTime buffer header
@@ -268,7 +257,6 @@
 
 typedef const SRTS_a_FB *PCSRTS_a_FB;
 
-
 //
 // CTS buffer header
 //
@@ -421,12 +409,5 @@
     DWORD dwKey4[4];
 } __attribute__ ((__packed__))
 SKeyEntry;
-/*---------------------  Export Macros ------------------------------*/
-
-/*---------------------  Export Classes  ----------------------------*/
-
-/*---------------------  Export Variables  --------------------------*/
-
-/*---------------------  Export Functions  --------------------------*/
 
 #endif /* __DESC_H__ */
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index f1496ec..171dd68 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -106,10 +106,6 @@
 #define MAX_MULTICAST_ADDRESS_NUM       32
 #define MULTICAST_ADDRESS_LIST_SIZE     (MAX_MULTICAST_ADDRESS_NUM * ETH_ALEN)
 
-//#define OP_MODE_INFRASTRUCTURE  0
-//#define OP_MODE_ADHOC           1
-//#define OP_MODE_AP              2
-
 #define DUPLICATE_RX_CACHE_LENGTH       5
 
 #define NUM_KEY_ENTRY                   11
diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c
index 51b5adf..682002a 100644
--- a/drivers/staging/vt6656/hostap.c
+++ b/drivers/staging/vt6656/hostap.c
@@ -41,31 +41,11 @@
 
 #define VIAWGET_HOSTAPD_MAX_BUF_SIZE 1024
 #define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT0
-#define HOSTAP_CRYPT_FLAG_PERMANENT BIT1
-#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
 #define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
-#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
 #define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
-#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
-#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
 
-
-/*---------------------  Static Definitions -------------------------*/
-
-/*---------------------  Static Classes  ----------------------------*/
-
-/*---------------------  Static Variables  --------------------------*/
-//static int          msglevel                =MSG_LEVEL_DEBUG;
 static int          msglevel                =MSG_LEVEL_INFO;
 
-/*---------------------  Static Functions  --------------------------*/
-
-
-
-
-/*---------------------  Export Variables  --------------------------*/
-
-
 /*
  * Description:
  *      register net_device (AP) for hostap deamon
@@ -314,37 +294,6 @@
 	return 0;
 }
 
-/*
- * Description:
- *      reset txexec
- *
- * Parameters:
- *  In:
- *      pDevice   -
- *      param     -
- *  Out:
- *      TURE, FALSE
- *
- * Return Value:
- *
- */
-/*
-static int hostap_reset_txexc_sta(PSDevice pDevice,
-					  struct viawget_hostapd_param *param)
-{
-    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
-	unsigned int uNodeIndex;
-
-    if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
-        pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts = 0;
-	}
-	else {
-	    return -ENOENT;
-	}
-
-	return 0;
-}
-*/
 
 /*
  * Description:
@@ -479,12 +428,6 @@
 
 
 	param->u.crypt.err = 0;
-/*
-	if (param_len !=
-	    (int) ((char *) param->u.crypt.key - (char *) param) +
-	    param->u.crypt.key_len)
-		return -EINVAL;
-*/
 
 	if (param->u.crypt.alg > WPA_ALG_CCMP)
 		return -EINVAL;
@@ -814,12 +757,6 @@
 		 ret = hostap_get_info_sta(pDevice, param);
 		 ap_ioctl = 1;
 		break;
-/*
-	case VIAWGET_HOSTAPD_RESET_TXEXC_STA:
-	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_RESET_TXEXC_STA \n");
-		 ret = hostap_reset_txexc_sta(pDevice, param);
-		break;
-*/
 	case VIAWGET_HOSTAPD_SET_FLAGS_STA:
 	    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
 		 ret = hostap_set_flags_sta(pDevice, param);
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index dc24096..8b9894b 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -104,7 +104,7 @@
 	PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
 	struct iw_scan_req *req = (struct iw_scan_req *)extra;
 	BYTE abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
-	PWLAN_IE_SSID pItemSSID=NULL;
+	PWLAN_IE_SSID pItemSSID = NULL;
 
 	if (!(pDevice->flags & DEVICE_FLAGS_OPENED))
 		return -EINVAL;
@@ -140,9 +140,9 @@
 			if (pItemSSID->abySSID[req->essid_len - 1] == '\0') {
 				if (req->essid_len > 0)
 					pItemSSID->len = req->essid_len - 1;
-			}
-			else
+			} else {
 				pItemSSID->len = req->essid_len;
+			}
 			pMgmt->eScanType = WMAC_SCAN_PASSIVE;
 			PRINT_K("SIOCSIWSCAN:[desired_ssid=%s,len=%d]\n", ((PWLAN_IE_SSID)abyScanSSID)->abySSID,
 				((PWLAN_IE_SSID)abyScanSSID)->len);
@@ -203,7 +203,7 @@
 			iwe.cmd = SIOCGIWAP;
 			iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
 			memcpy(iwe.u.ap_addr.sa_data, pBSS->abyBSSID, WLAN_BSSID_LEN);
-			current_ev = iwe_stream_add_event(info,current_ev,end_buf, &iwe, IW_EV_ADDR_LEN);
+			current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
 			// ADD ssid
 			memset(&iwe, 0, sizeof(iwe));
 			iwe.cmd = SIOCGIWESSID;
@@ -244,7 +244,7 @@
 			iwe.u.qual.level = ldBm;
 			iwe.u.qual.noise = 0;
 
-			if (-ldBm<50)
+			if (-ldBm < 50)
 				iwe.u.qual.qual = 100;
 			else  if (-ldBm > 90)
 				iwe.u.qual.qual = 0;
@@ -577,9 +577,9 @@
 
 	PRINT_K(" SIOCSIWAP \n");
 
-	if (wrq->sa_family != ARPHRD_ETHER)
+	if (wrq->sa_family != ARPHRD_ETHER) {
 		rc = -EINVAL;
-	else {
+	} else {
 		memcpy(pMgmt->abyDesireBSSID, wrq->sa_data, 6);
 		// mike: add
 		if ((is_broadcast_ether_addr(pMgmt->abyDesireBSSID)) ||
@@ -882,8 +882,7 @@
 			pDevice->uConnectionRate = brate;
 			DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fixed to Rate %d \n", pDevice->uConnectionRate);
 		}
-	}
-	else {
+	} else {
 		pDevice->bFixRate = FALSE;
 		pDevice->uConnectionRate = 13;
 	}
@@ -965,7 +964,6 @@
 	wrq->value = pDevice->wRTSThreshold;
 	wrq->disabled = (wrq->value >= 2312);
 	wrq->fixed = 1;
-
 	return 0;
 }
 
@@ -1004,7 +1002,6 @@
 	wrq->value = pDevice->wFragmentationThreshold;
 	wrq->disabled = (wrq->value >= 2312);
 	wrq->fixed = 1;
-
 	return 0;
 }
 
@@ -1098,10 +1095,9 @@
 
 	// Send the key to the card
 	if (wrq->length > 0) {
-
-		if (wrq->length ==  WLAN_WEP232_KEYLEN) {
+		if (wrq->length == WLAN_WEP232_KEYLEN) {
 			DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set 232 bit wep key\n");
-		} else if (wrq->length ==  WLAN_WEP104_KEYLEN) {
+		} else if (wrq->length == WLAN_WEP104_KEYLEN) {
 			DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set 104 bit wep key\n");
 		} else if (wrq->length == WLAN_WEP40_KEYLEN) {
 			DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set 40 bit wep key, index= %d\n", (int)dwKeyIndex);
@@ -1120,8 +1116,7 @@
 					dwKeyIndex | (1 << 31),
 					wrq->length, NULL,
 					pDevice->abyKey,
-					KEY_CTL_WEP
-				);
+					KEY_CTL_WEP);
 			spin_unlock_irq(&pDevice->lock);
 		}
 		pDevice->byKeyIndex = (BYTE)dwKeyIndex;
@@ -1205,7 +1200,7 @@
 	wrq->length = 0;
 
 	if ((index == 0) && (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled ||
-				pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)){ // get wpa pairwise  key
+				pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)) { // get wpa pairwise  key
 		if (KeybGetKey(&(pDevice->sKey), pMgmt->abyCurrBSSID, 0xffffffff, &pKey)) {
 			wrq->length = pKey->uKeyLength;
 			memcpy(abyKey, pKey->abyKey,	pKey->uKeyLength);
@@ -1360,11 +1355,10 @@
 		if (wpa_version == IW_AUTH_WPA_VERSION_DISABLED)
 			break;
 		if (pairwise == IW_AUTH_CIPHER_NONE) {
-			if (wrq->value == IW_AUTH_CIPHER_CCMP) {
+			if (wrq->value == IW_AUTH_CIPHER_CCMP)
 				pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
-			}else {
+			else
 				pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
-			}
 		}
 		break;
 	case IW_AUTH_KEY_MGMT:
@@ -1446,7 +1440,7 @@
 			goto out;
 		}
 		pMgmt->wWPAIELen = wrq->length;
-	}else {
+	} else {
 		memset(pMgmt->abyWPAIE, 0, MAX_WPA_IE_LEN);
 		pMgmt->wWPAIELen = 0;
 	}
@@ -1470,8 +1464,9 @@
 			if (copy_to_user(extra, pMgmt->abyWPAIE, pMgmt->wWPAIELen)) {
 				ret = -EFAULT;
 			}
-		} else
+		} else {
 			ret = -E2BIG;
+		}
 	}
 	return ret;
 }
@@ -1624,8 +1619,7 @@
 	case IW_MLME_DISASSOC:
 		if (pDevice->bLinkPass == TRUE) {
 			PRINT_K("iwctl_siwmlme--->send DISASSOCIATE\n");
-			bScheduleCommand((void *)pDevice,
-					WLAN_CMD_DISASSOCIATE,
+			bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE,
 					NULL);
 		}
 		break;
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 5048341..b06fd5b 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -205,11 +205,6 @@
 	};
 
 
-#ifndef IW_ENCODE_NOKEY
-#define IW_ENCODE_NOKEY         0x0800
-#define IW_ENCODE_MODE  (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
-#endif
-
 static const struct iw_handler_def	iwctl_handler_def;
 */
 
diff --git a/drivers/staging/vt6656/mib.h b/drivers/staging/vt6656/mib.h
index a89cca0..82d69a9 100644
--- a/drivers/staging/vt6656/mib.h
+++ b/drivers/staging/vt6656/mib.h
@@ -113,7 +113,6 @@
 } SMib2Counter, *PSMib2Counter;
 
 // Value in the ifType entry
-//#define ETHERNETCSMACD      6           //
 #define WIRELESSLANIEEE80211b      6           //
 
 // Value in the ifAdminStatus/ifOperStatus entry
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 9b64b10..bb46452 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -73,8 +73,6 @@
 /*---------------------  Static Functions  --------------------------*/
 
 /*---------------------  Static Definitions -------------------------*/
-#define CRITICAL_PACKET_LEN      256    // if packet size < 256 -> in-direct send
-                                        //    packet size >= 256 -> direct send
 
 const WORD wTimeStampOff[2][MAX_RATE] = {
         {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, // Long Preamble
diff --git a/drivers/staging/vt6656/tether.h b/drivers/staging/vt6656/tether.h
index 4ec0523..8c1f5d2 100644
--- a/drivers/staging/vt6656/tether.h
+++ b/drivers/staging/vt6656/tether.h
@@ -72,7 +72,6 @@
 #define TYPE_CTL_ACK        0xd400
 
 
-//#define WEP_IV_MASK         0xFFFFFF00
 
 #else //if LITTLE_ENDIAN
 //
@@ -111,7 +110,6 @@
 #define TYPE_CTL_ACK        0x00d4
 
 
-//#define WEP_IV_MASK         0x00FFFFFF
 
 #endif //#ifdef __BIG_ENDIAN
 
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index c612ab5..609e8fa 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -52,9 +52,6 @@
 //endpoint 2: read bulk
 //endpoint 3: write bulk
 
-//RequestType:
-//#define REQUEST_OUT       (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE) // 0x40
-//#define REQUEST_IN        (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE )  //0xc0
 //static int          msglevel                =MSG_LEVEL_DEBUG;
 static int          msglevel                =MSG_LEVEL_INFO;
 
diff --git a/drivers/staging/xgifb/XGI_main.h b/drivers/staging/xgifb/XGI_main.h
index be6bb7d..c033da4 100644
--- a/drivers/staging/xgifb/XGI_main.h
+++ b/drivers/staging/xgifb/XGI_main.h
@@ -68,9 +68,6 @@
 /* PR: Tv plug type (for overriding autodetection) */
 static int XGIfb_tvplug = -1;
 
-/* TW: For ioctl XGIFB_GET_INFO */
-/* XGIfb_info XGIfbinfo; */
-
 #define MD_XGI315 1
 
 /* mode table */
@@ -230,17 +227,6 @@
 	{0, 0, 0, 0}
 };
 
-static const struct _chswtable {
-	int subsysVendor;
-	int subsysCard;
-	char *vendorName;
-	char *cardName;
-} mychswtable[] = {
-	{ 0x1631, 0x1002, "Mitachi", "0x1002" },
-	{ 0,      0,      ""       , ""       }
-};
-
-/* Eden Chen */
 static const struct _XGI_TV_filter {
 	u8 filter[9][4];
 } XGI_TV_filter[] = {
diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index fe9061d..64ffd70 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -36,72 +36,18 @@
 	u8 i, reg;
 
 	xgifb_reg_set(XGISR, 0x05, 0x86);
-	/*
-	xgifb_reg_set(XGISR, 0x08, 0x4f);
-	xgifb_reg_set(XGISR, 0x0f, 0x20);
-	xgifb_reg_set(XGISR, 0x11, 0x4f);
-	xgifb_reg_set(XGISR, 0x13, 0x45);
-	xgifb_reg_set(XGISR, 0x14, 0x51);
-	xgifb_reg_set(XGISR, 0x1e, 0x41);
-	xgifb_reg_set(XGISR, 0x1f, 0x0);
-	xgifb_reg_set(XGISR, 0x20, 0xa1);
-	xgifb_reg_set(XGISR, 0x22, 0xfb);
-	xgifb_reg_set(XGISR, 0x26, 0x22);
-	xgifb_reg_set(XGISR, 0x3e, 0x07);
-	*/
-
-	/* xgifb_reg_set(XGICR, 0x19, 0x00); */
-	/* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
-	/* xgifb_reg_set(XGICR, 0x22, 0xff); */
-	/* xgifb_reg_set(XGICR, 0x3D, 0x10); */
-
-	/* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
-
-	/* xgifb_reg_set(XGICR, 0x57, 0x0); */
-	/* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
-
-	/* xgifb_reg_set(XGICR, 0x82, 0xcc); */
-	/* xgifb_reg_set(XGICR, 0x8c, 0x0); */
-	/*
-	xgifb_reg_set(XGICR, 0x99, 0x1);
-	xgifb_reg_set(XGICR, 0x41, 0x40);
-	*/
 
 	for (i = 0; i < 0x4f; i++) {
 		reg = xgifb_reg_get(XGISR, i);
-		pr_debug("\no 3c4 %x", i);
-		pr_debug("\ni 3c5 => %x", reg);
+		pr_debug("o 3c4 %x\n", i);
+		pr_debug("i 3c5 => %x\n", reg);
 	}
 
 	for (i = 0; i < 0xF0; i++) {
 		reg = xgifb_reg_get(XGICR, i);
-		pr_debug("\no 3d4 %x", i);
-		pr_debug("\ni 3d5 => %x", reg);
+		pr_debug("o 3d4 %x\n", i);
+		pr_debug("i 3d5 => %x\n", reg);
 	}
-	/*
-	xgifb_reg_set(XGIPART1,0x2F,1);
-	for (i=1; i < 0x50; i++) {
-		reg = xgifb_reg_get(XGIPART1, i);
-		pr_debug("\no d004 %x", i);
-		pr_debug("\ni d005 => %x", reg);
-	}
-
-	for (i=0; i < 0x50; i++) {
-		 reg = xgifb_reg_get(XGIPART2, i);
-		 pr_debug("\no d010 %x", i);
-		 pr_debug("\ni d011 => %x", reg);
-	}
-	for (i=0; i < 0x50; i++) {
-		reg = xgifb_reg_get(XGIPART3, i);
-		pr_debug("\no d012 %x",i);
-		pr_debug("\ni d013 => %x",reg);
-	}
-	for (i=0; i < 0x50; i++) {
-		reg = xgifb_reg_get(XGIPART4, i);
-		pr_debug("\no d014 %x",i);
-		pr_debug("\ni d015 => %x",reg);
-	}
-	*/
 }
 #else
 static inline void dumpVGAReg(void)
@@ -215,15 +161,6 @@
 			| ((unsigned short) (sr_data & 0x01) << 10);
 	A = VT + 2;
 
-	/* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
-
-	/* Vertical display enable end */
-	/*
-	VDE = (cr_data & 0xff) |
-		((unsigned short) (cr_data2 & 0x02) << 7) |
-		((unsigned short) (cr_data2 & 0x40) << 3) |
-		((unsigned short) (sr_data & 0x02) << 9);
-	*/
 	VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
 	E = VDE + 1;
 
@@ -325,28 +262,19 @@
 
 static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
 {
+	int i = 0;
 
-	int found_mode = 0;
-	int XGIfb_mode_idx = 0;
-
-	found_mode = 0;
-	while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
-			&& (XGIbios_mode[XGIfb_mode_idx].xres
-					<= xgifb_info->lvds_data.LVDSHDE)) {
-		if ((XGIbios_mode[XGIfb_mode_idx].xres
-				== xgifb_info->lvds_data.LVDSHDE)
-				&& (XGIbios_mode[XGIfb_mode_idx].yres
-					== xgifb_info->lvds_data.LVDSVDE)
-				&& (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
-			found_mode = 1;
-			break;
+	while ((XGIbios_mode[i].mode_no != 0)
+	       && (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
+		if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE)
+		    && (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE)
+		    && (XGIbios_mode[i].bpp == 8)) {
+			return i;
 		}
-		XGIfb_mode_idx++;
+		i++;
 	}
-	if (!found_mode)
-		XGIfb_mode_idx = -1;
 
-	return XGIfb_mode_idx;
+	return -1;
 }
 
 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
@@ -377,7 +305,7 @@
 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
 				  unsigned int vesamode)
 {
-	int i = 0, j = 0;
+	int i = 0;
 
 	if (vesamode == 0)
 		goto invalid;
@@ -388,15 +316,13 @@
 		if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
 		    (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
 			xgifb_info->mode_idx = i;
-			j = 1;
-			break;
+			return;
 		}
 		i++;
 	}
 
 invalid:
-	if (!j)
-		pr_info("Invalid VESA mode 0x%x'\n", vesamode);
+	pr_info("Invalid VESA mode 0x%x'\n", vesamode);
 }
 
 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
@@ -590,7 +516,7 @@
 				if (XGIbios_mode[myindex].yres != 576)
 					return -1;
 			}
-			/*  TW: LVDS/CHRONTEL does not support 720 */
+			/* LVDS/CHRONTEL does not support 720 */
 			if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
 			    xgifb_info->hasVB == HASVB_CHRONTEL) {
 				return -1;
@@ -654,7 +580,7 @@
 				break;
 			} else if (XGIfb_vrate[i].refresh > rate) {
 				if ((XGIfb_vrate[i].refresh - rate) <= 3) {
-					pr_debug("XGIfb: Adjusting rate from %d up to %d\n",
+					pr_debug("Adjusting rate from %d up to %d\n",
 						 rate, XGIfb_vrate[i].refresh);
 					xgifb_info->rate_idx =
 						XGIfb_vrate[i].idx;
@@ -663,8 +589,9 @@
 				} else if (((rate - XGIfb_vrate[i - 1].refresh)
 						<= 2) && (XGIfb_vrate[i].idx
 						!= 1)) {
-					pr_debug("XGIfb: Adjusting rate from %d down to %d\n",
-						 rate, XGIfb_vrate[i-1].refresh);
+					pr_debug("Adjusting rate from %d down to %d\n",
+						 rate,
+						 XGIfb_vrate[i-1].refresh);
 					xgifb_info->rate_idx =
 						XGIfb_vrate[i - 1].idx;
 					xgifb_info->refresh_rate =
@@ -672,7 +599,7 @@
 				}
 				break;
 			} else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
-				pr_debug("XGIfb: Adjusting rate from %d down to %d\n",
+				pr_debug("Adjusting rate from %d down to %d\n",
 					 rate, XGIfb_vrate[i].refresh);
 				xgifb_info->rate_idx = XGIfb_vrate[i].idx;
 				break;
@@ -794,26 +721,25 @@
 {
 	u8 reg;
 	unsigned char doit = 1;
-	/*
-	xgifb_reg_set(XGISR,IND_SIS_PASSWORD,SIS_PASSWORD);
-	xgifb_reg_set(XGICR, 0x13, 0x00);
-	xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
-	*test*
-	*/
+
 	if (xgifb_info->video_bpp == 8) {
-		/* TW: We can't switch off CRT1 on LVDS/Chrontel
-		 * in 8bpp Modes */
+		/*
+		 * We can't switch off CRT1 on LVDS/Chrontel
+		 * in 8bpp Modes
+		 */
 		if ((xgifb_info->hasVB == HASVB_LVDS) ||
 		    (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
 			doit = 0;
 		}
-		/* TW: We can't switch off CRT1 on 301B-DH
-		 * in 8bpp Modes if using LCD */
+		/*
+		 * We can't switch off CRT1 on 301B-DH
+		 * in 8bpp Modes if using LCD
+		 */
 		if (xgifb_info->display2 == XGIFB_DISP_LCD)
 			doit = 0;
 	}
 
-	/* TW: We can't switch off CRT1 if bridge is in slave mode */
+	/* We can't switch off CRT1 if bridge is in slave mode */
 	if (xgifb_info->hasVB != HASVB_NONE) {
 		reg = xgifb_reg_get(XGIPART1, 0x00);
 
@@ -1038,7 +964,6 @@
 	unsigned int drate = 0, hrate = 0;
 	int found_mode = 0;
 	int old_mode;
-	/* unsigned char reg, reg1; */
 
 	info->var.xres_virtual = var->xres_virtual;
 	info->var.yres_virtual = var->yres_virtual;
@@ -1048,13 +973,9 @@
 		vtotal <<= 1;
 	else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
 		vtotal <<= 2;
-	else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
-		/* vtotal <<= 1; */
-		/* var->yres <<= 1; */
-	}
 
 	if (!htotal || !vtotal) {
-		pr_debug("XGIfb: Invalid 'var' information\n");
+		pr_debug("Invalid 'var' information\n");
 		return -EINVAL;
 	} pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
 			var->pixclock, htotal, vtotal);
@@ -1130,7 +1051,7 @@
 
 		XGIfb_post_setmode(xgifb_info);
 
-		pr_debug("XGIfb: Set new mode: %dx%dx%d-%d\n",
+		pr_debug("Set new mode: %dx%dx%d-%d\n",
 			 XGIbios_mode[xgifb_info->mode_idx].xres,
 			 XGIbios_mode[xgifb_info->mode_idx].yres,
 			 XGIbios_mode[xgifb_info->mode_idx].bpp,
@@ -1176,7 +1097,7 @@
 			break;
 		default:
 			xgifb_info->video_cmap_len = 16;
-			pr_err("Unsupported depth %d",
+			pr_err("Unsupported depth %d\n",
 			       xgifb_info->video_bpp);
 			break;
 		}
@@ -1370,7 +1291,7 @@
 				+ var->vsync_len;
 
 	if (!(htotal) || !(vtotal)) {
-		pr_debug("XGIfb: no valid timing data\n");
+		pr_debug("No valid timing data\n");
 		return -EINVAL;
 	}
 
@@ -1388,16 +1309,7 @@
 		xgifb_info->refresh_rate = 60;
 	}
 
-	/*
-	if ((var->pixclock) && (htotal)) {
-		drate = 1E12 / var->pixclock;
-		hrate = drate / htotal;
-		refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
-	} else {
-		refresh_rate = 60;
-	}
-	*/
-	/* TW: Calculation wrong for 1024x600 - force it to 60Hz */
+	/* Calculation wrong for 1024x600 - force it to 60Hz */
 	if ((var->xres == 1024) && (var->yres == 600))
 		refresh_rate = 60;
 
@@ -1446,8 +1358,6 @@
 		}
 	}
 
-	/* TW: TODO: Check the refresh rate */
-
 	/* Adapt RGB settings */
 	XGIfb_bpp_to_var(xgifb_info, var);
 
@@ -1462,16 +1372,7 @@
 			var->xres_virtual = var->xres;
 		if (var->yres != var->yres_virtual)
 			var->yres_virtual = var->yres;
-	} /* else { */
-		/* TW: Now patch yres_virtual if we use panning */
-		/* May I do this? */
-		/* var->yres_virtual = xgifb_info->heapstart /
-			(var->xres * (var->bits_per_pixel >> 3)); */
-		/* if (var->yres_virtual <= var->yres) { */
-		/* TW: Paranoia check */
-		/* var->yres_virtual = var->yres; */
-		/* } */
-	/* } */
+	}
 
 	/* Truncate offsets to maximum if too high */
 	if (var->xoffset > var->xres_virtual - var->xres)
@@ -1553,7 +1454,6 @@
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
-	/* .fb_mmap = XGIfb_mmap, */
 };
 
 /* ---------------- Chip generation dependent routines ---------------- */
@@ -1630,9 +1530,6 @@
 	}
 
 	xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
-	/* PLiad fixed for benchmarking and fb set */
-	/* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
-	/* xgifb_info->video_size = 0x1000000; */ /* benchmark */
 
 	pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
 	       reg,
@@ -1647,16 +1544,6 @@
 
 	xgifb_info->TV_plug = xgifb_info->TV_type = 0;
 
-	switch (xgifb_info->hasVB) {
-	case HASVB_LVDS_CHRONTEL:
-	case HASVB_CHRONTEL:
-		break;
-	case HASVB_301:
-	case HASVB_302:
-		/* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
-		break;
-	}
-
 	cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
 
 	if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
@@ -1680,7 +1567,7 @@
 	}
 
 	if (XGIfb_tvplug != -1)
-		/* PR/TW: Override with option */
+		/* Override with option */
 		xgifb_info->TV_plug = XGIfb_tvplug;
 	else if (cr32 & SIS_VB_HIVISION) {
 		xgifb_info->TV_type = TVMODE_HIVISION;
@@ -1700,7 +1587,7 @@
 			xgifb_info->TV_type = TVMODE_NTSC;
 	}
 
-	/* TW: Copy forceCRT1 option to CRT1off if option is given */
+	/* Copy forceCRT1 option to CRT1off if option is given */
 	if (XGIfb_forcecrt1 != -1) {
 		if (XGIfb_forcecrt1)
 			XGIfb_crt1off = 0;
@@ -1752,7 +1639,7 @@
 	unsigned long lres;
 
 	if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
-		pr_err("xgifb: invalid value for option: %s\n", fullopt);
+		pr_err("Invalid value for option: %s\n", fullopt);
 		return 0;
 	}
 	return lres;
@@ -1765,7 +1652,7 @@
 	if (!options || !*options)
 		return 0;
 
-	pr_info("xgifb: options: %s\n", options);
+	pr_info("Options: %s\n", options);
 
 	while ((this_opt = strsep(&options, ",")) != NULL) {
 
@@ -1794,7 +1681,7 @@
 			XGIfb_search_tvstd(this_opt + 7);
 		} else if (!strncmp(this_opt, "dstn", 4)) {
 			enable_dstn = 1;
-			/* TW: DSTN overrules forcecrt2type */
+			/* DSTN overrules forcecrt2type */
 			XGIfb_crt2type = XGIFB_DISP_LCD;
 		} else if (!strncmp(this_opt, "noypan", 6)) {
 			XGIfb_ypan = 0;
@@ -1858,7 +1745,7 @@
 	reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
 
 	if (reg1 != 0xa1) { /*I/O error */
-		dev_err(&pdev->dev, "I/O error!!!");
+		dev_err(&pdev->dev, "I/O error\n");
 		ret = -EIO;
 		goto error_disable;
 	}
@@ -1908,7 +1795,7 @@
 	if (!request_mem_region(xgifb_info->video_base,
 				xgifb_info->video_size,
 				"XGIfb FB")) {
-		dev_err(&pdev->dev, "unable request memory size %x\n",
+		dev_err(&pdev->dev, "Unable request memory size %x\n",
 		       xgifb_info->video_size);
 		dev_err(&pdev->dev,
 			"Fatal error: Unable to reserve frame buffer memory. "
@@ -1981,13 +1868,7 @@
 			dev_info(&pdev->dev,
 				 "XGI301LV bridge detected (revision 0x%02x)\n",
 				 reg);
-		}
-		/* else if (reg >= 0xB0) {
-			hw_info->ujVBChipID = VB_CHIP_301B;
-			reg1 = xgifb_reg_get(XGIPART4, 0x23);
-			pr_debug("XGIfb: XGI301B bridge detected\n");
-		} */
-		else {
+		} else {
 			hw_info->ujVBChipID = VB_CHIP_301;
 			dev_info(&pdev->dev, "XGI301 bridge detected\n");
 		}
@@ -2049,36 +1930,6 @@
 		}
 	}
 
-	if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
-			(hw_info->ujVBChipID == VB_CHIP_301LV) ||
-			(hw_info->ujVBChipID == VB_CHIP_302LV)) {
-		int tmp;
-		tmp = xgifb_reg_get(XGICR, 0x34);
-		if (tmp <= 0x13) {
-			/* Currently on LCDA?
-			 *(Some BIOSes leave CR38) */
-			tmp = xgifb_reg_get(XGICR, 0x38);
-			if ((tmp & 0x03) == 0x03) {
-				/* XGI_Pr.XGI_UseLCDA = 1; */
-			} else {
-				/* Currently on LCDA?
-				 *(Some newer BIOSes set D0 in CR35) */
-				tmp = xgifb_reg_get(XGICR, 0x35);
-				if (tmp & 0x01) {
-					/* XGI_Pr.XGI_UseLCDA = 1; */
-				} else {
-					tmp = xgifb_reg_get(XGICR,
-							    0x30);
-					if (tmp & 0x20) {
-						tmp = xgifb_reg_get(
-							XGIPART1, 0x13);
-					}
-				}
-			}
-		}
-
-	}
-
 	xgifb_info->mode_idx = -1;
 
 	if (mode)
@@ -2100,11 +1951,11 @@
 	}
 
 	if (xgifb_info->mode_idx < 0) {
-		dev_err(&pdev->dev, "no supported video mode found\n");
+		dev_err(&pdev->dev, "No supported video mode found\n");
 		goto error_1;
 	}
 
-	/* yilin set default refresh rate */
+	/* set default refresh rate */
 	xgifb_info->refresh_rate = refresh_rate;
 	if (xgifb_info->refresh_rate == 0)
 		xgifb_info->refresh_rate = 60;
@@ -2212,7 +2063,7 @@
 	xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
 		xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
 	if (xgifb_info->mtrr >= 0)
-		dev_info(&pdev->dev, "added MTRR\n");
+		dev_info(&pdev->dev, "Added MTRR\n");
 #endif
 
 	if (register_framebuffer(fb_info) < 0) {
diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h
index 741bba3..8054798 100644
--- a/drivers/staging/xgifb/XGIfb.h
+++ b/drivers/staging/xgifb/XGIfb.h
@@ -30,13 +30,13 @@
 	TVMODE_NTSC = 0,
 	TVMODE_PAL,
 	TVMODE_HIVISION,
-	TVTYPE_PALM,	/* vicki@030226 */
-	TVTYPE_PALN,	/* vicki@030226 */
-	TVTYPE_NTSCJ,	/* vicki@030226 */
+	TVTYPE_PALM,
+	TVTYPE_PALN,
+	TVTYPE_NTSCJ,
 	TVMODE_TOTAL
 };
 
-enum xgi_tv_plug { /* vicki@030226 */
+enum xgi_tv_plug {
 	TVPLUG_UNKNOWN = 0,
 	TVPLUG_COMPOSITE = 1,
 	TVPLUG_SVIDEO = 2,
diff --git a/drivers/staging/xgifb/vb_def.h b/drivers/staging/xgifb/vb_def.h
index 5b987a6..69078d9 100644
--- a/drivers/staging/xgifb/vb_def.h
+++ b/drivers/staging/xgifb/vb_def.h
@@ -1,5 +1,3 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/xgi/initdef.h
- * ,v 1.4 2000/12/02 01:16:17 dawes Exp $*/
 #ifndef _VB_DEF_
 #define _VB_DEF_
 #include "../../video/sis/initdef.h"
@@ -12,7 +10,6 @@
 #define SetCHTVOverScan         0x8000
 
 #define Panel_320x480            0x07 /*fstn*/
-/* [ycchen] 02/12/03 Modify for Multi-Sync. LCD Support */
 #define PanelResInfo            0x1F /* CR36 Panel Type/LCDResInfo */
 #define Panel_1024x768x75        0x22
 #define Panel_1280x1024x75       0x23
diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 7c555a7..80dba6a 100644
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -1,4 +1,4 @@
-#include <linux/delay.h> /* udelay */
+#include <linux/delay.h>
 #include <linux/vmalloc.h>
 
 #include "XGIfb.h"
@@ -132,10 +132,8 @@
 		      0x30,
 		      pVBInfo->ECLKData[pVBInfo->ram_type].SR30);
 
-	/* [Vicent] 2004/07/07,
-	 * When XG42 ECLK = MCLK = 207MHz, Set SR32 D[1:0] = 10b */
-	/* [Hsuan] 2004/08/20,
-	 * Modify SR32 value, when MCLK=207MHZ, ELCK=250MHz,
+	/* When XG42 ECLK = MCLK = 207MHz, Set SR32 D[1:0] = 10b */
+	/* Modify SR32 value, when MCLK=207MHZ, ELCK=250MHz,
 	 * Set SR32 D[1:0] = 10b */
 	if (HwDeviceExtension->jChipType == XG42) {
 		if ((pVBInfo->MCLKData[pVBInfo->ram_type].SR28 == 0x1C) &&
@@ -160,7 +158,6 @@
 	XGINew_SetMemoryClock(HwDeviceExtension, pVBInfo);
 
 	/* Set Double Frequency */
-	/* xgifb_reg_set(P3d4, 0x97, 0x11); *//* CR97 */
 	xgifb_reg_set(P3d4, 0x97, pVBInfo->XGINew_CR97); /* CR97 */
 
 	udelay(200);
@@ -192,7 +189,6 @@
 	udelay(30);
 	xgifb_reg_set(P3c4, 0x16, 0x00); /* Set SR16 */
 	xgifb_reg_set(P3c4, 0x16, 0x80); /* Set SR16 */
-	/* udelay(15); */
 
 	xgifb_reg_set(P3c4, 0x1B, 0x04); /* Set SR1B */
 	udelay(60);
@@ -252,7 +248,6 @@
 	xgifb_reg_set(P3c4, 0x16, 0x05);
 	xgifb_reg_set(P3c4, 0x16, 0x85);
 
-	/* xgifb_reg_set(P3c4, 0x18, 0x52); */ /* MRS1 */
 	xgifb_reg_set(P3c4, 0x18, 0x42); /* MRS1 */
 	xgifb_reg_set(P3c4, 0x19, 0x02);
 	xgifb_reg_set(P3c4, 0x16, 0x05);
@@ -264,7 +259,6 @@
 	xgifb_reg_set(P3c4, 0x1B, 0x00); /* SR1B */
 	udelay(100);
 
-	/* xgifb_reg_set(P3c4 ,0x18, 0x52); */ /* MRS2 */
 	xgifb_reg_set(P3c4, 0x18, 0x42); /* MRS1 */
 	xgifb_reg_set(P3c4, 0x19, 0x00);
 	xgifb_reg_set(P3c4, 0x16, 0x05);
@@ -290,14 +284,12 @@
 	xgifb_reg_set(P3c4,
 		      0x18,
 		      pVBInfo->SR15[2][pVBInfo->ram_type]); /* SR18 */
-	/* xgifb_reg_set(P3c4, 0x18, 0x31); */
 	xgifb_reg_set(P3c4, 0x19, 0x01);
 	xgifb_reg_set(P3c4, 0x16, 0x03);
 	xgifb_reg_set(P3c4, 0x16, 0x83);
 	mdelay(1);
 	xgifb_reg_set(P3c4, 0x1B, 0x03);
 	udelay(500);
-	/* xgifb_reg_set(P3c4, 0x18, 0x31); */
 	xgifb_reg_set(P3c4,
 		      0x18,
 		      pVBInfo->SR15[2][pVBInfo->ram_type]); /* SR18 */
@@ -546,7 +538,6 @@
 	xgifb_reg_set(P3d4, 0x87, 0x00); /* CR87 */
 	xgifb_reg_set(P3d4, 0xCF, XG40_CRCF); /* CRCF */
 	if (pVBInfo->ram_type) {
-		/* xgifb_reg_set(P3c4, 0x17, 0xC0); */ /* SR17 DDRII */
 		xgifb_reg_set(P3c4, 0x17, 0x80); /* SR17 DDRII */
 		if (HwDeviceExtension->jChipType == XG27)
 			xgifb_reg_set(P3c4, 0x17, 0x02); /* SR17 DDRII */
@@ -597,19 +588,12 @@
 
 		memsize = data >> 4;
 
-		/* [2004/03/25] Vicent, Fix DRAM Sizing Error */
+		/* Fix DRAM Sizing Error */
 		xgifb_reg_set(pVBInfo->P3c4,
 			      0x14,
 			      (xgifb_reg_get(pVBInfo->P3c4, 0x14) & 0x0F) |
 				(data & 0xF0));
 		udelay(15);
-
-		/* data |= pVBInfo->ram_channel << 2; */
-		/* data |= (pVBInfo->ram_bus / 64) << 1; */
-		/* xgifb_reg_set(pVBInfo->P3c4, 0x14, data); */
-
-		/* should delay */
-		/* XGINew_SetDRAMModeRegister340(pVBInfo); */
 	}
 	return memsize;
 }
@@ -628,8 +612,7 @@
 		writel(Position, fbaddr + Position);
 	}
 
-	udelay(500); /* [Vicent] 2004/04/16.
-			Fix #1759 Memory Size error in Multi-Adapter. */
+	udelay(500); /* Fix #1759 Memory Size error in Multi-Adapter. */
 
 	Position = 0;
 
@@ -925,9 +908,6 @@
 	xgifb_reg_set(pVBInfo->P3c4, 0x21, (unsigned short) (data & 0xDF));
 	XGI_DisplayOff(xgifb_info, HwDeviceExtension, pVBInfo);
 
-	/* data = xgifb_reg_get(pVBInfo->P3c4, 0x1); */
-	/* data |= 0x20 ; */
-	/* xgifb_reg_set(pVBInfo->P3c4, 0x01, data); *//* Turn OFF Display */
 	XGINew_DDRSizing340(HwDeviceExtension, pVBInfo);
 	data = xgifb_reg_get(pVBInfo->P3c4, 0x21);
 	/* enable read cache */
@@ -971,7 +951,7 @@
 	pVBInfo->IF_DEF_LVDS = 0;
 	vbios = xgifb_copy_rom(pdev, &vbios_size);
 	if (vbios == NULL) {
-		dev_err(&pdev->dev, "video BIOS not available\n");
+		dev_err(&pdev->dev, "Video BIOS not available\n");
 		return;
 	}
 	if (vbios_size <= 0x65)
@@ -1026,7 +1006,7 @@
 	pVBInfo->IF_DEF_LVDS = 1;
 	return;
 error:
-	dev_err(&pdev->dev, "video BIOS corrupted\n");
+	dev_err(&pdev->dev, "Video BIOS corrupted\n");
 	vfree(vbios);
 }
 
@@ -1062,9 +1042,8 @@
 
 	if (tempbx & tempcx) {
 		CR3CData = xgifb_reg_get(pVBInfo->P3d4, 0x3c);
-		if (!(CR3CData & DisplayDeviceFromCMOS)) {
+		if (!(CR3CData & DisplayDeviceFromCMOS))
 			tempcx = 0x1FF0;
-		}
 	} else {
 		tempcx = 0x1FF0;
 	}
@@ -1205,13 +1184,11 @@
 {
 	unsigned char Temp;
 
-#if 1
 	if (pVBInfo->IF_DEF_LVDS) { /* For XG21 LVDS */
 		xgifb_reg_or(pVBInfo->P3d4, 0x32, LCDSense);
 		/* LVDS on chip */
 		xgifb_reg_and_or(pVBInfo->P3d4, 0x38, ~0xE0, 0xC0);
 	} else {
-#endif
 		/* Enable GPIOA/B read  */
 		xgifb_reg_and_or(pVBInfo->P3d4, 0x4A, ~0x03, 0x03);
 		Temp = xgifb_reg_get(pVBInfo->P3d4, 0x48) & 0xC0;
@@ -1234,9 +1211,7 @@
 			/* Disable read GPIOF */
 			xgifb_reg_and(pVBInfo->P3d4, 0x4A, ~0x20);
 		}
-#if 1
 	}
-#endif
 }
 
 static void XGINew_GetXG27Sense(struct xgi_hw_device_info *HwDeviceExtension,
@@ -1308,16 +1283,11 @@
 	struct vb_device_info VBINF;
 	struct vb_device_info *pVBInfo = &VBINF;
 	unsigned char i, temp = 0, temp1;
-	/* VBIOSVersion[5]; */
-
-	/* unsigned long j, k; */
 
 	pVBInfo->FBAddr = HwDeviceExtension->pjVideoMemoryAddress;
 
 	pVBInfo->BaseAddr = xgifb_info->vga_base;
 
-	/* Newdebugcode(0x99); */
-
 	if (pVBInfo->FBAddr == NULL) {
 		dev_dbg(&pdev->dev, "pVBInfo->FBAddr == 0\n");
 		return 0;
@@ -1331,10 +1301,6 @@
 
 	pVBInfo->ISXPDOS = 0;
 
-	/* VBIOSVersion[4] = 0x0; */
-
-	/* 09/07/99 modify by domao */
-
 	pVBInfo->P3c4 = pVBInfo->BaseAddr + 0x14;
 	pVBInfo->P3d4 = pVBInfo->BaseAddr + 0x24;
 	pVBInfo->P3c0 = pVBInfo->BaseAddr + 0x10;
@@ -1353,7 +1319,7 @@
 	pVBInfo->Part4Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_14;
 	pVBInfo->Part5Port = pVBInfo->BaseAddr + SIS_CRT2_PORT_14 + 2;
 
-	if (HwDeviceExtension->jChipType < XG20) /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20)
 		/* Run XGI_GetVBType before InitTo330Pointer */
 		XGI_GetVBType(pVBInfo);
 
@@ -1361,7 +1327,7 @@
 
 	xgifb_read_vbios(pdev, pVBInfo);
 
-	/* 1.Openkey */
+	/* Openkey */
 	xgifb_reg_set(pVBInfo->P3c4, 0x05, 0x86);
 
 	/* GetXG21Sense (GPIO) */
@@ -1371,7 +1337,7 @@
 	if (HwDeviceExtension->jChipType == XG27)
 		XGINew_GetXG27Sense(HwDeviceExtension, pVBInfo);
 
-	/* 2.Reset Extended register */
+	/* Reset Extended register */
 
 	for (i = 0x06; i < 0x20; i++)
 		xgifb_reg_set(pVBInfo->P3c4, i, 0);
@@ -1379,31 +1345,20 @@
 	for (i = 0x21; i <= 0x27; i++)
 		xgifb_reg_set(pVBInfo->P3c4, i, 0);
 
-	/* for(i = 0x06; i <= 0x27; i++) */
-	/* xgifb_reg_set(pVBInfo->P3c4, i, 0); */
-
 	for (i = 0x31; i <= 0x3B; i++)
 		xgifb_reg_set(pVBInfo->P3c4, i, 0);
 
-	/* [Hsuan] 2004/08/20 Auto over driver for XG42 */
+	/* Auto over driver for XG42 */
 	if (HwDeviceExtension->jChipType == XG42)
 		xgifb_reg_set(pVBInfo->P3c4, 0x3B, 0xC0);
 
-	/* for (i = 0x30; i <= 0x3F; i++) */
-	/* xgifb_reg_set(pVBInfo->P3d4, i, 0); */
-
 	for (i = 0x79; i <= 0x7C; i++)
-		xgifb_reg_set(pVBInfo->P3d4, i, 0); /* shampoo 0208 */
+		xgifb_reg_set(pVBInfo->P3d4, i, 0);
 
 	if (HwDeviceExtension->jChipType >= XG20)
 		xgifb_reg_set(pVBInfo->P3d4, 0x97, pVBInfo->XGINew_CR97);
 
-	/* 3.SetMemoryClock
-
-	pVBInfo->ram_type = XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
-	*/
-
-	/* 4.SetDefExt1Regs begin */
+	/* SetDefExt1Regs begin */
 	xgifb_reg_set(pVBInfo->P3c4, 0x07, XGI330_SR07);
 	if (HwDeviceExtension->jChipType == XG27) {
 		xgifb_reg_set(pVBInfo->P3c4, 0x40, XG27_SR40);
@@ -1411,62 +1366,16 @@
 	}
 	xgifb_reg_set(pVBInfo->P3c4, 0x11, 0x0F);
 	xgifb_reg_set(pVBInfo->P3c4, 0x1F, XGI330_SR1F);
-	/* xgifb_reg_set(pVBInfo->P3c4, 0x20, 0x20); */
-	/* alan, 2001/6/26 Frame buffer can read/write SR20 */
+	/* Frame buffer can read/write SR20 */
 	xgifb_reg_set(pVBInfo->P3c4, 0x20, 0xA0);
-	/* Hsuan, 2006/01/01 H/W request for slow corner chip */
+	/* H/W request for slow corner chip */
 	xgifb_reg_set(pVBInfo->P3c4, 0x36, 0x70);
-	if (HwDeviceExtension->jChipType == XG27) /* Alan 12/07/2006 */
+	if (HwDeviceExtension->jChipType == XG27)
 		xgifb_reg_set(pVBInfo->P3c4, 0x36, XG27_SR36);
 
-	/* SR11 = 0x0F; */
-	/* xgifb_reg_set(pVBInfo->P3c4, 0x11, SR11); */
-
-	if (HwDeviceExtension->jChipType < XG20) { /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20) {
 		u32 Temp;
 
-		/* Set AGP Rate */
-		/*
-		temp1 = xgifb_reg_get(pVBInfo->P3c4, 0x3B);
-		temp1 &= 0x02;
-		if (temp1 == 0x02) {
-			outl(0x80000000, 0xcf8);
-			ChipsetID = inl(0x0cfc);
-			outl(0x8000002C, 0xcf8);
-			VendorID = inl(0x0cfc);
-			VendorID &= 0x0000FFFF;
-			outl(0x8001002C, 0xcf8);
-			GraphicVendorID = inl(0x0cfc);
-			GraphicVendorID &= 0x0000FFFF;
-
-			if (ChipsetID == 0x7301039)
-				xgifb_reg_set(pVBInfo->P3d4, 0x5F, 0x09);
-
-			ChipsetID &= 0x0000FFFF;
-
-			if ((ChipsetID == 0x700E) ||
-			    (ChipsetID == 0x1022) ||
-			    (ChipsetID == 0x1106) ||
-			    (ChipsetID == 0x10DE)) {
-				if (ChipsetID == 0x1106) {
-					if ((VendorID == 0x1019) &&
-					    (GraphicVendorID == 0x1019))
-						xgifb_reg_set(pVBInfo->P3d4,
-							      0x5F,
-							      0x0D);
-					else
-						xgifb_reg_set(pVBInfo->P3d4,
-							      0x5F,
-							      0x0B);
-				} else {
-					xgifb_reg_set(pVBInfo->P3d4,
-						      0x5F,
-						      0x0B);
-				}
-			}
-		}
-		*/
-
 		/* Set AGP customize registers (in SetDefAGPRegs) Start */
 		for (i = 0x47; i <= 0x4C; i++)
 			xgifb_reg_set(pVBInfo->P3d4,
@@ -1482,12 +1391,6 @@
 			xgifb_reg_set(pVBInfo->P3d4,
 				      i,
 				      pVBInfo->AGPReg[8 + i - 0x74]);
-		/* Set AGP customize registers (in SetDefAGPRegs) End */
-		/* [Hsuan]2004/12/14 AGP Input Delay Adjustment on 850 */
-		/*        outl(0x80000000, 0xcf8); */
-		/*        ChipsetID = inl(0x0cfc); */
-		/*        if (ChipsetID == 0x25308086) */
-		/*            xgifb_reg_set(pVBInfo->P3d4, 0x77, 0xF0); */
 
 		pci_read_config_dword(pdev, 0x50, &Temp);
 		Temp >>= 20;
@@ -1502,10 +1405,10 @@
 	xgifb_reg_set(pVBInfo->P3c4, 0x24, XGI330_SR24);
 	xgifb_reg_set(pVBInfo->P3c4, 0x25, XGI330_SR25);
 
-	if (HwDeviceExtension->jChipType < XG20) { /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20) {
 		/* Set VB */
 		XGI_UnLockCRT2(HwDeviceExtension, pVBInfo);
-		/* alan, disable VideoCapture */
+		/* disable VideoCapture */
 		xgifb_reg_and_or(pVBInfo->Part0Port, 0x3F, 0xEF, 0x00);
 		xgifb_reg_set(pVBInfo->Part1Port, 0x00, 0x00);
 		/* chk if BCLK>=100MHz */
@@ -1535,10 +1438,7 @@
 	}
 	xgifb_reg_set(pVBInfo->P3c4, 0x33, XGI330_SR33);
 
-	/*
-	 SetPowerConsume (HwDeviceExtension, pVBInfo->P3c4);	*/
-
-	if (HwDeviceExtension->jChipType < XG20) { /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20) {
 		if (XGI_BridgeIsOn(pVBInfo) == 1) {
 			if (pVBInfo->IF_DEF_LVDS == 0) {
 				xgifb_reg_set(pVBInfo->Part2Port, 0x00, 0x1C);
@@ -1557,7 +1457,6 @@
 
 	XGI_SenseCRT1(pVBInfo);
 
-	/* XGINew_DetectMonitor(HwDeviceExtension); */
 	if (HwDeviceExtension->jChipType == XG21) {
 
 		xgifb_reg_and_or(pVBInfo->P3d4,
@@ -1585,32 +1484,9 @@
 
 	XGINew_SetDRAMSize_340(xgifb_info, HwDeviceExtension, pVBInfo);
 
-	/* SetDefExt2Regs begin */
-	/*
-	AGP = 1;
-	temp = (unsigned char) xgifb_reg_get(pVBInfo->P3c4, 0x3A);
-	temp &= 0x30;
-	if (temp == 0x30)
-		AGP = 0;
-
-	if (AGP == 0)
-		pVBInfo->SR21 &= 0xEF;
-
-	xgifb_reg_set(pVBInfo->P3c4, 0x21, pVBInfo->SR21);
-	if (AGP == 1)
-		pVBInfo->SR22 &= 0x20;
-	xgifb_reg_set(pVBInfo->P3c4, 0x22, pVBInfo->SR22);
-	*/
-	/* base = 0x80000000; */
-	/* OutPortLong(0xcf8, base); */
-	/* Temp = (InPortLong(0xcfc) & 0xFFFF); */
-	/* if (Temp == 0x1039) { */
 	xgifb_reg_set(pVBInfo->P3c4,
 		      0x22,
 		      (unsigned char) ((pVBInfo->SR22) & 0xFE));
-	/* } else { */
-	/*	xgifb_reg_set(pVBInfo->P3c4, 0x22, pVBInfo->SR22); */
-	/* } */
 
 	xgifb_reg_set(pVBInfo->P3c4, 0x21, pVBInfo->SR21);
 
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 479362e..e81149f 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -161,18 +161,15 @@
 
 	for (i = 0; i <= 0x13; i++) {
 		ARdata = pVBInfo->StandTable->ATTR[i];
-		if (modeflag & Charx8Dot) { /* ifndef Dot9 */
-			if (i == 0x13) {
-				if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
+
+		if ((modeflag & Charx8Dot) && i == 0x13) { /* ifndef Dot9 */
+			if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
+				ARdata = 0;
+			} else {
+				if ((pVBInfo->VBInfo &
+				     (SetCRT2ToTV | SetCRT2ToLCD)) &&
+				    (pVBInfo->VBInfo & SetInSlaveMode))
 					ARdata = 0;
-				} else {
-					if (pVBInfo->VBInfo & (SetCRT2ToTV
-							| SetCRT2ToLCD)) {
-						if (pVBInfo->VBInfo &
-						    SetInSlaveMode)
-							ARdata = 0;
-					}
-				}
 			}
 		}
 
@@ -253,48 +250,30 @@
 		if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) {
 			tempax |= SupportLCD;
 
-			if (pVBInfo->LCDResInfo != Panel_1280x1024) {
-				if (pVBInfo->LCDResInfo != Panel_1280x960) {
-					if (pVBInfo->LCDInfo &
-					    LCDNonExpanding) {
-						if (resinfo >= 9) {
-							tempax = 0;
-							return 0;
-						}
-					}
-				}
-			}
+			if (pVBInfo->LCDResInfo != Panel_1280x1024 &&
+			    pVBInfo->LCDResInfo != Panel_1280x960 &&
+			    (pVBInfo->LCDInfo & LCDNonExpanding) &&
+			    resinfo >= 9)
+				return 0;
 		}
 
 		if (pVBInfo->VBInfo & SetCRT2ToHiVision) { /* for HiTV */
 			if ((pVBInfo->VBType & VB_SIS301LV) &&
 			    (pVBInfo->VBExtInfo == VB_YPbPr1080i)) {
 				tempax |= SupportYPbPr750p;
-				if (pVBInfo->VBInfo & SetInSlaveMode) {
-					if (resinfo == 4)
-						return 0;
-
-					if (resinfo == 3)
-						return 0;
-
-					if (resinfo > 7)
-						return 0;
-				}
+				if ((pVBInfo->VBInfo & SetInSlaveMode) &&
+				    ((resinfo == 3) ||
+				     (resinfo == 4) ||
+				     (resinfo > 7)))
+					return 0;
 			} else {
 				tempax |= SupportHiVision;
-				if (pVBInfo->VBInfo & SetInSlaveMode) {
-					if (resinfo == 4)
+				if ((pVBInfo->VBInfo & SetInSlaveMode) &&
+				    ((resinfo == 4) ||
+				     (resinfo == 3 &&
+				      (pVBInfo->SetFlag & TVSimuMode)) ||
+				     (resinfo > 7)))
 						return 0;
-
-					if (resinfo == 3) {
-						if (pVBInfo->SetFlag
-								& TVSimuMode)
-							return 0;
-					}
-
-					if (resinfo > 7)
-						return 0;
-				}
 			}
 		} else {
 			if (pVBInfo->VBInfo & (SetCRT2ToAVIDEO |
@@ -304,23 +283,18 @@
 					       SetCRT2ToHiVision)) {
 				tempax |= SupportTV;
 
-				if (pVBInfo->VBType & (VB_SIS301B | VB_SIS302B
-						| VB_SIS301LV | VB_SIS302LV
-						| VB_XGI301C)) {
+				if (pVBInfo->VBType & (VB_SIS301B |
+						       VB_SIS302B |
+						       VB_SIS301LV |
+						       VB_SIS302LV |
+						       VB_XGI301C))
 					tempax |= SupportTV1024;
-				}
 
-				if (!(pVBInfo->VBInfo & TVSetPAL)) {
-					if (modeflag & NoSupportSimuTV) {
-						if (pVBInfo->VBInfo &
-						    SetInSlaveMode) {
-							if (!(pVBInfo->VBInfo &
-							      SetNotSimuMode)) {
-								return 0;
-							}
-						}
-					}
-				}
+				if (!(pVBInfo->VBInfo & TVSetPAL) &&
+				    (modeflag & NoSupportSimuTV) &&
+				    (pVBInfo->VBInfo & SetInSlaveMode) &&
+				    (!(pVBInfo->VBInfo & SetNotSimuMode)))
+					return 0;
 			}
 		}
 	} else { /* for LVDS */
@@ -971,23 +945,26 @@
 
 	if (pVBInfo->IF_DEF_LVDS == 0) {
 		CRT2Index = CRT2Index >> 6; /*  for LCD */
-		if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { /*301b*/
+		if (pVBInfo->VBInfo &
+		    (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) { /*301b*/
 			if (pVBInfo->LCDResInfo != Panel_1024x768)
-				VCLKIndex =  VCLK108_2_315 + 5; /* LCDXlat2VCLK */
+				/* LCDXlat2VCLK */
+				VCLKIndex = VCLK108_2_315 + 5;
 			else
 				VCLKIndex = VCLK65_315 + 2; /* LCDXlat1VCLK */
 		} else if (pVBInfo->VBInfo & SetCRT2ToHiVision) {
-			if (pVBInfo->SetFlag & RPLLDIV2XO) {
+			if (pVBInfo->SetFlag & RPLLDIV2XO)
 				VCLKIndex = TVCLKBASE_315_25 + HiTVVCLKDIV2;
-			} else {
+			else
 				VCLKIndex = TVCLKBASE_315_25 + HiTVVCLK;
-			}
 
 			if (pVBInfo->SetFlag & TVSimuMode) {
 				if (modeflag & Charx8Dot) {
-					VCLKIndex = TVCLKBASE_315_25 + HiTVSimuVCLK;
+					VCLKIndex = TVCLKBASE_315_25 +
+							HiTVSimuVCLK;
 				} else {
-					VCLKIndex = TVCLKBASE_315_25 + HiTVTextVCLK;
+					VCLKIndex = TVCLKBASE_315_25 +
+							HiTVTextVCLK;
 				}
 			}
 
@@ -1004,11 +981,10 @@
 					VCLKIndex = YPbPr525iVCLK;
 			}
 		} else if (pVBInfo->VBInfo & SetCRT2ToTV) {
-			if (pVBInfo->SetFlag & RPLLDIV2XO) {
+			if (pVBInfo->SetFlag & RPLLDIV2XO)
 				VCLKIndex = TVCLKBASE_315_25 + TVVCLKDIV2;
-			} else {
+			else
 				VCLKIndex = TVCLKBASE_315_25 + TVVCLK;
-			}
 		} else { /* for CRT2 */
 			/* di+Ext_CRTVCLK */
 			VCLKIndex = pVBInfo->RefIndex[RefreshRateTableIndex].
@@ -1020,7 +996,8 @@
 		    (pVBInfo->LCDResInfo == Panel_320x480))
 			VCLKIndex = VCLK40; /* LVDSXlat1VCLK */
 		else
-			VCLKIndex = VCLK65_315 + 2; /* LVDSXlat2VCLK, LVDSXlat3VCLK  */
+			VCLKIndex = VCLK65_315 + 2; /* LVDSXlat2VCLK,
+						       LVDSXlat3VCLK  */
 	}
 
 	return VCLKIndex;
@@ -1859,7 +1836,6 @@
 		i++;
 	}
 
-	/* 07/05/22 */
 	if (table == 0x04) {
 		switch (tempdi[i].DATAPTR) {
 		case 0:
@@ -1955,7 +1931,8 @@
 				pVBInfo->HDE = 1024;
 				pVBInfo->VDE = 768;
 			} else if ((pVBInfo->LCDResInfo == Panel_1280x1024) ||
-				   (pVBInfo->LCDResInfo == Panel_1280x1024x75)) {
+				   (pVBInfo->LCDResInfo ==
+					Panel_1280x1024x75)) {
 				pVBInfo->HDE = 1280;
 				pVBInfo->VDE = 1024;
 			} else if (pVBInfo->LCDResInfo == Panel_1400x1050) {
@@ -2412,7 +2389,8 @@
 				if (pVBInfo->TVInfo & TVSimuMode) {
 					tempal = TVCLKBASE_315 + HiTVSimuVCLK;
 					if (!(modeflag & Charx8Dot))
-						tempal = TVCLKBASE_315 + HiTVTextVCLK;
+						tempal = TVCLKBASE_315 +
+								HiTVTextVCLK;
 
 				}
 				return tempal;
@@ -2458,8 +2436,8 @@
 {
 	if (pVBInfo->VBType & (VB_SIS301 | VB_SIS301B | VB_SIS302B
 			| VB_SIS301LV | VB_SIS302LV | VB_XGI301C)) {
-		if ((!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) && (pVBInfo->SetFlag
-				& ProgrammingCRT2)) {
+		if ((!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)) &&
+		    (pVBInfo->SetFlag & ProgrammingCRT2)) {
 			*di_0 = (unsigned char) XGI_VBVCLKData[tempal].SR2B;
 			*di_1 = XGI_VBVCLKData[tempal].SR2C;
 		}
@@ -2519,7 +2497,7 @@
 		temp &= 0x0f;
 
 		if (!(temp == 0x08)) {
-			/* Check ChannelA by Part1_13 [2003/10/03] */
+			/* Check ChannelA */
 			tempax = xgifb_reg_get(pVBInfo->Part1Port, 0x13);
 			if (tempax & 0x04)
 				tempcl = tempcl | ActiveLCD;
@@ -2586,42 +2564,45 @@
 {
 	unsigned short flag, tempbx, tempah;
 
-	if (pVBInfo->IF_DEF_LVDS == 0) {
-		tempbx = VB_SIS302B;
-		flag = xgifb_reg_get(pVBInfo->Part4Port, 0x00);
-		if (flag != 0x02) {
-			tempbx = VB_SIS301;
-			flag = xgifb_reg_get(pVBInfo->Part4Port, 0x01);
-			if (flag >= 0xB0) {
-				tempbx = VB_SIS301B;
-				if (flag >= 0xC0) {
-					tempbx = VB_XGI301C;
-					if (flag >= 0xD0) {
-						tempbx = VB_SIS301LV;
-						if (flag >= 0xE0) {
-							tempbx = VB_SIS302LV;
-							tempah = xgifb_reg_get(
-							    pVBInfo->Part4Port,
-							    0x39);
-							if (tempah != 0xFF)
-								tempbx =
-								    VB_XGI301C;
-						}
-					}
-				}
+	if (pVBInfo->IF_DEF_LVDS != 0)
+		return;
 
-				if (tempbx & (VB_SIS301B | VB_SIS302B)) {
-					flag = xgifb_reg_get(
-							pVBInfo->Part4Port,
-							0x23);
+	tempbx = VB_SIS302B;
+	flag = xgifb_reg_get(pVBInfo->Part4Port, 0x00);
+	if (flag == 0x02)
+		goto finish;
 
-					if (!(flag & 0x02))
-						tempbx = tempbx | VB_NoLCD;
-				}
-			}
-		}
-		pVBInfo->VBType = tempbx;
+	tempbx = VB_SIS301;
+	flag = xgifb_reg_get(pVBInfo->Part4Port, 0x01);
+	if (flag < 0xB0)
+		goto finish;
+
+	tempbx = VB_SIS301B;
+	if (flag < 0xC0)
+		goto bigger_than_0xB0;
+
+	tempbx = VB_XGI301C;
+	if (flag < 0xD0)
+		goto bigger_than_0xB0;
+
+	tempbx = VB_SIS301LV;
+	if (flag < 0xE0)
+		goto bigger_than_0xB0;
+
+	tempbx = VB_SIS302LV;
+	tempah = xgifb_reg_get(pVBInfo->Part4Port, 0x39);
+	if (tempah != 0xFF)
+		tempbx = VB_XGI301C;
+
+bigger_than_0xB0:
+	if (tempbx & (VB_SIS301B | VB_SIS302B)) {
+		flag = xgifb_reg_get(pVBInfo->Part4Port, 0x23);
+		if (!(flag & 0x02))
+			tempbx = tempbx | VB_NoLCD;
 	}
+
+finish:
+	pVBInfo->VBType = tempbx;
 }
 
 static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
@@ -2635,186 +2616,182 @@
 	pVBInfo->ModeType = modeflag & ModeTypeMask;
 	tempbx = 0;
 
-	if (pVBInfo->VBType & 0xFFFF) {
-		/* Check Display Device */
-		temp = xgifb_reg_get(pVBInfo->P3d4, 0x30);
-		tempbx = tempbx | temp;
-		temp = xgifb_reg_get(pVBInfo->P3d4, 0x31);
-		push = temp;
-		push = push << 8;
-		tempax = temp << 8;
-		tempbx = tempbx | tempax;
-		temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr525750 | XGI_SetCRT2ToLCDA
-				| SetInSlaveMode | DisableCRT2Display);
-		temp = 0xFFFF ^ temp;
-		tempbx &= temp;
+	if (!(pVBInfo->VBType & 0xFFFF))
+		return;
 
-		temp = xgifb_reg_get(pVBInfo->P3d4, 0x38);
+	/* Check Display Device */
+	temp = xgifb_reg_get(pVBInfo->P3d4, 0x30);
+	tempbx = tempbx | temp;
+	temp = xgifb_reg_get(pVBInfo->P3d4, 0x31);
+	push = temp;
+	push = push << 8;
+	tempax = temp << 8;
+	tempbx = tempbx | tempax;
+	temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr525750 | XGI_SetCRT2ToLCDA
+		| SetInSlaveMode | DisableCRT2Display);
+	temp = 0xFFFF ^ temp;
+	tempbx &= temp;
 
-		if (pVBInfo->IF_DEF_LCDA == 1) {
+	temp = xgifb_reg_get(pVBInfo->P3d4, 0x38);
 
-			if ((HwDeviceExtension->jChipType >= XG20) ||
-			    (HwDeviceExtension->jChipType >= XG40)) {
-				if (pVBInfo->IF_DEF_LVDS == 0) {
-					if (pVBInfo->VBType &
-					    (VB_SIS302B |
-					     VB_SIS301LV |
-					     VB_SIS302LV |
-					     VB_XGI301C)) {
-						if (temp & EnableDualEdge) {
-							tempbx |=
-							    SetCRT2ToDualEdge;
+	if (pVBInfo->IF_DEF_LCDA == 1) {
 
-							if (temp & SetToLCDA)
-								tempbx |=
-								  XGI_SetCRT2ToLCDA;
-						}
+		if (((HwDeviceExtension->jChipType >= XG20) ||
+		     (HwDeviceExtension->jChipType >= XG40)) &&
+		    (pVBInfo->IF_DEF_LVDS == 0)) {
+			if (pVBInfo->VBType &
+			    (VB_SIS302B |
+			     VB_SIS301LV |
+			     VB_SIS302LV |
+			     VB_XGI301C)) {
+				if (temp & EnableDualEdge) {
+					tempbx |= SetCRT2ToDualEdge;
+					if (temp & SetToLCDA)
+						tempbx |= XGI_SetCRT2ToLCDA;
+				}
+			}
+		}
+	}
+
+	if (pVBInfo->IF_DEF_YPbPr == 1) {
+		if (((pVBInfo->IF_DEF_LVDS == 0) &&
+		     ((pVBInfo->VBType & VB_SIS301LV) ||
+		      (pVBInfo->VBType & VB_SIS302LV) ||
+		      (pVBInfo->VBType & VB_XGI301C)))) {
+			if (temp & SetYPbPr) {
+				if (pVBInfo->IF_DEF_HiVision == 1) {
+					/* shampoo add for new
+					 * scratch */
+					temp = xgifb_reg_get(
+						pVBInfo->P3d4,
+						0x35);
+					temp &= YPbPrMode;
+					tempbx |= SetCRT2ToHiVision;
+
+					if (temp != YPbPrMode1080i) {
+						tempbx &=
+							(~SetCRT2ToHiVision);
+						tempbx |=
+							SetCRT2ToYPbPr525750;
 					}
 				}
 			}
 		}
+	}
 
+	tempax = push; /* restore CR31 */
+
+	if (pVBInfo->IF_DEF_LVDS == 0) {
 		if (pVBInfo->IF_DEF_YPbPr == 1) {
-			/* [Billy] 07/05/04 */
-			if (((pVBInfo->IF_DEF_LVDS == 0) &&
-			    ((pVBInfo->VBType & VB_SIS301LV) ||
-			    (pVBInfo->VBType & VB_SIS302LV) ||
-			    (pVBInfo->VBType & VB_XGI301C)))) {
-				if (temp & SetYPbPr) {
-					if (pVBInfo->IF_DEF_HiVision == 1) {
-						/* shampoo add for new
-						 * scratch */
-						temp = xgifb_reg_get(
-								pVBInfo->P3d4,
-								0x35);
-						temp &= YPbPrMode;
-						tempbx |= SetCRT2ToHiVision;
-
-						if (temp != YPbPrMode1080i) {
-							tempbx &=
-							 (~SetCRT2ToHiVision);
-							tempbx |=
-							 SetCRT2ToYPbPr525750;
-						}
-					}
-				}
-			}
+			if (pVBInfo->IF_DEF_HiVision == 1)
+				temp = 0x09FC;
+			else
+				temp = 0x097C;
+		} else {
+			if (pVBInfo->IF_DEF_HiVision == 1)
+				temp = 0x01FC;
+			else
+				temp = 0x017C;
 		}
+	} else { /* 3nd party chip */
+		temp = SetCRT2ToLCD;
+	}
 
-		tempax = push; /* restore CR31 */
+	if (!(tempbx & temp)) {
+		tempax |= DisableCRT2Display;
+		tempbx = 0;
+	}
 
-		if (pVBInfo->IF_DEF_LVDS == 0) {
-			if (pVBInfo->IF_DEF_YPbPr == 1) {
-				if (pVBInfo->IF_DEF_HiVision == 1)
-					temp = 0x09FC;
-				else
-					temp = 0x097C;
-			} else {
-				if (pVBInfo->IF_DEF_HiVision == 1)
-					temp = 0x01FC;
-				else
-					temp = 0x017C;
-			}
-		} else { /* 3nd party chip */
-			temp = SetCRT2ToLCD;
-		}
-
-		if (!(tempbx & temp)) {
-			tempax |= DisableCRT2Display;
-			tempbx = 0;
-		}
-
-		if (pVBInfo->IF_DEF_LCDA == 1) { /* Select Display Device */
-			if (!(pVBInfo->VBType & VB_NoLCD)) {
-				if (tempbx & XGI_SetCRT2ToLCDA) {
-					if (tempbx & SetSimuScanMode)
-						tempbx &= (~(SetCRT2ToLCD |
-							   SetCRT2ToRAMDAC |
-							   SwitchCRT2));
-					else
-						tempbx &= (~(SetCRT2ToLCD |
-							     SetCRT2ToRAMDAC |
-							     SetCRT2ToTV |
-							     SwitchCRT2));
-				}
-			}
-		}
-
-		/* shampoo add */
-		/* for driver abnormal */
-		if (!(tempbx & (SwitchCRT2 | SetSimuScanMode))) {
-			if (pVBInfo->IF_DEF_CRT2Monitor == 1) {
-				if (tempbx & SetCRT2ToRAMDAC) {
-					tempbx &= (0xFF00 |
-						   SetCRT2ToRAMDAC |
-						   SwitchCRT2 |
-						   SetSimuScanMode);
-					tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
-				}
-			} else {
-				tempbx &= (~(SetCRT2ToRAMDAC |
-					   SetCRT2ToLCD |
-					   SetCRT2ToTV));
-			}
-		}
-
+	if (pVBInfo->IF_DEF_LCDA == 1) { /* Select Display Device */
 		if (!(pVBInfo->VBType & VB_NoLCD)) {
-			if (tempbx & SetCRT2ToLCD) {
+			if (tempbx & XGI_SetCRT2ToLCDA) {
+				if (tempbx & SetSimuScanMode)
+					tempbx &= (~(SetCRT2ToLCD |
+						     SetCRT2ToRAMDAC |
+						     SwitchCRT2));
+				else
+					tempbx &= (~(SetCRT2ToLCD |
+						     SetCRT2ToRAMDAC |
+						     SetCRT2ToTV |
+						     SwitchCRT2));
+			}
+		}
+	}
+
+	/* shampoo add */
+	/* for driver abnormal */
+	if (!(tempbx & (SwitchCRT2 | SetSimuScanMode))) {
+		if (pVBInfo->IF_DEF_CRT2Monitor == 1) {
+			if (tempbx & SetCRT2ToRAMDAC) {
 				tempbx &= (0xFF00 |
-					   SetCRT2ToLCD |
+					   SetCRT2ToRAMDAC |
 					   SwitchCRT2 |
 					   SetSimuScanMode);
 				tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
 			}
+		} else {
+			tempbx &= (~(SetCRT2ToRAMDAC |
+				     SetCRT2ToLCD |
+				     SetCRT2ToTV));
 		}
+	}
 
-		if (tempbx & SetCRT2ToSCART) {
+	if (!(pVBInfo->VBType & VB_NoLCD)) {
+		if (tempbx & SetCRT2ToLCD) {
 			tempbx &= (0xFF00 |
-				   SetCRT2ToSCART |
+				   SetCRT2ToLCD |
 				   SwitchCRT2 |
 				   SetSimuScanMode);
 			tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
 		}
+	}
 
-		if (pVBInfo->IF_DEF_YPbPr == 1) {
-			if (tempbx & SetCRT2ToYPbPr525750)
-				tempbx &= (0xFF00 |
-					   SwitchCRT2 |
-					   SetSimuScanMode);
-		}
+	if (tempbx & SetCRT2ToSCART) {
+		tempbx &= (0xFF00 |
+			   SetCRT2ToSCART |
+			   SwitchCRT2 |
+			   SetSimuScanMode);
+		tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
+	}
 
-		if (pVBInfo->IF_DEF_HiVision == 1) {
-			if (tempbx & SetCRT2ToHiVision)
-				tempbx &= (0xFF00 |
-					   SetCRT2ToHiVision |
-					   SwitchCRT2 |
-					   SetSimuScanMode);
-		}
+	if (pVBInfo->IF_DEF_YPbPr == 1) {
+		if (tempbx & SetCRT2ToYPbPr525750)
+			tempbx &= (0xFF00 |
+				   SwitchCRT2 |
+				   SetSimuScanMode);
+	}
 
-		if (tempax & DisableCRT2Display) { /* Set Display Device Info */
-			if (!(tempbx & (SwitchCRT2 | SetSimuScanMode)))
-				tempbx = DisableCRT2Display;
-		}
+	if (pVBInfo->IF_DEF_HiVision == 1) {
+		if (tempbx & SetCRT2ToHiVision)
+			tempbx &= (0xFF00 |
+				   SetCRT2ToHiVision |
+				   SwitchCRT2 |
+				   SetSimuScanMode);
+	}
 
-		if (!(tempbx & DisableCRT2Display)) {
-			if ((!(tempbx & DriverMode)) ||
-			    (!(modeflag & CRT2Mode))) {
-				if (pVBInfo->IF_DEF_LCDA == 1) {
-					if (!(tempbx & XGI_SetCRT2ToLCDA))
-						tempbx |= (SetInSlaveMode |
-							   SetSimuScanMode);
-				}
+	if (tempax & DisableCRT2Display) { /* Set Display Device Info */
+		if (!(tempbx & (SwitchCRT2 | SetSimuScanMode)))
+			tempbx = DisableCRT2Display;
+	}
+
+	if (!(tempbx & DisableCRT2Display)) {
+		if ((!(tempbx & DriverMode)) ||
+		    (!(modeflag & CRT2Mode))) {
+			if (pVBInfo->IF_DEF_LCDA == 1) {
+				if (!(tempbx & XGI_SetCRT2ToLCDA))
+					tempbx |= (SetInSlaveMode |
+						   SetSimuScanMode);
 			}
+		}
 
-			/* LCD+TV can't support in slave mode
-			 * (Force LCDA+TV->LCDB) */
-			if ((tempbx & SetInSlaveMode) &&
-			    (tempbx & XGI_SetCRT2ToLCDA)) {
-				tempbx ^= (SetCRT2ToLCD |
-					  XGI_SetCRT2ToLCDA |
-					  SetCRT2ToDualEdge);
-				pVBInfo->SetFlag |= ReserveTVOption;
-			}
+		/* LCD+TV can't support in slave mode
+		 * (Force LCDA+TV->LCDB) */
+		if ((tempbx & SetInSlaveMode) &&
+		    (tempbx & XGI_SetCRT2ToLCDA)) {
+			tempbx ^= (SetCRT2ToLCD |
+				   XGI_SetCRT2ToLCDA |
+				   SetCRT2ToDualEdge);
+			pVBInfo->SetFlag |= ReserveTVOption;
 		}
 	}
 
@@ -2927,7 +2904,7 @@
 	if (tempbx == 0)
 		tempbx = Panel_1024x768; /* default */
 
-	/* LCD75 [2003/8/22] Vicent */
+	/* LCD75 */
 	if ((tempbx == Panel_1024x768) || (tempbx == Panel_1280x1024)) {
 		if (pVBInfo->VBInfo & DriverMode) {
 			tempax = xgifb_reg_get(pVBInfo->P3d4, 0x33);
@@ -2976,7 +2953,10 @@
 		if ((pVBInfo->LCDResInfo == Panel_1400x1050) && (pVBInfo->VBInfo
 				& SetCRT2ToLCD) && (resinfo == 9) &&
 				(!(tempbx & EnableScalingLCD)))
-			/* set to center in 1280x1024 LCDB for Panel_1400x1050 */
+			/*
+			 * set to center in 1280x1024 LCDB
+			 * for Panel_1400x1050
+			 */
 			tempbx |= SetLCDtoNonExpanding;
 	}
 
@@ -3291,46 +3271,47 @@
 	if (modeflag & DoubleScanMode)
 		yres *= 2;
 
-	if (pVBInfo->VBInfo & SetCRT2ToLCD) {
-		if (pVBInfo->IF_DEF_LVDS == 0) {
-			if (pVBInfo->LCDResInfo == Panel_1600x1200) {
-				if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) {
-					if (yres == 1024)
-						yres = 1056;
-				}
-			}
+	if (!(pVBInfo->VBInfo & SetCRT2ToLCD))
+		goto exit;
 
-			if (pVBInfo->LCDResInfo == Panel_1280x1024) {
-				if (yres == 400)
-					yres = 405;
-				else if (yres == 350)
-					yres = 360;
-
-				if (pVBInfo->LCDInfo & XGI_LCDVESATiming) {
-					if (yres == 360)
-						yres = 375;
-				}
-			}
-
-			if (pVBInfo->LCDResInfo == Panel_1024x768) {
-				if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) {
-					if (!(pVBInfo->LCDInfo
-							& LCDNonExpanding)) {
-						if (yres == 350)
-							yres = 357;
-						else if (yres == 400)
-							yres = 420;
-						else if (yres == 480)
-							yres = 525;
-					}
-				}
+	if (pVBInfo->IF_DEF_LVDS == 0) {
+		if (pVBInfo->LCDResInfo == Panel_1600x1200) {
+			if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) {
+				if (yres == 1024)
+					yres = 1056;
 			}
 		}
 
-		if (xres == 720)
-			xres = 640;
+		if (pVBInfo->LCDResInfo == Panel_1280x1024) {
+			if (yres == 400)
+				yres = 405;
+			else if (yres == 350)
+				yres = 360;
+
+			if (pVBInfo->LCDInfo & XGI_LCDVESATiming) {
+				if (yres == 360)
+					yres = 375;
+			}
+		}
+
+		if (pVBInfo->LCDResInfo == Panel_1024x768) {
+			if (!(pVBInfo->LCDInfo & XGI_LCDVESATiming)) {
+				if (!(pVBInfo->LCDInfo & LCDNonExpanding)) {
+					if (yres == 350)
+						yres = 357;
+					else if (yres == 400)
+						yres = 420;
+					else if (yres == 480)
+						yres = 525;
+				}
+			}
+		}
 	}
 
+	if (xres == 720)
+		xres = 640;
+
+exit:
 	pVBInfo->VGAHDE = xres;
 	pVBInfo->HDE = xres;
 	pVBInfo->VGAVDE = yres;
@@ -4066,24 +4047,16 @@
 	}
 
 	if (pVBInfo->VBInfo & SetCRT2ToHiVision) {
-		if (pVBInfo->VBType & VB_SIS301LV) {
-			if (pVBInfo->TVInfo & TVSetHiVision) {
-				tempbx -= 10;
-			} else {
-				if (pVBInfo->TVInfo & TVSimuMode) {
-					if (pVBInfo->TVInfo & TVSetPAL) {
-						if (pVBInfo->VBType &
-						    VB_SIS301LV) {
-							if (!(pVBInfo->TVInfo &
-							    (TVSetYPbPr525p |
-							    TVSetYPbPr750p |
-							    TVSetHiVision)))
-								tempbx += 40;
-						} else {
-							tempbx += 40;
-						}
-					}
-				}
+		if ((pVBInfo->VBType & VB_SIS301LV) &&
+		    !(pVBInfo->TVInfo & TVSetHiVision)) {
+			if ((pVBInfo->TVInfo & TVSimuMode) &&
+			    (pVBInfo->TVInfo & TVSetPAL)) {
+				if (!(pVBInfo->VBType & VB_SIS301LV) ||
+				    !(pVBInfo->TVInfo &
+				      (TVSetYPbPr525p |
+				       TVSetYPbPr750p |
+				       TVSetHiVision)))
+					tempbx += 40;
 			}
 		} else {
 			tempbx -= 10;
@@ -4591,7 +4564,7 @@
 		}
 	}
 
-	/* [ycchen] 01/14/03 Modify for 301C PALM Support */
+	/* Modify for 301C PALM Support */
 	if (pVBInfo->VBType & VB_XGI301C) {
 		if (pVBInfo->TVInfo & TVSetPALM)
 			xgifb_reg_and_or(pVBInfo->Part2Port, 0x4E, ~0x08,
@@ -5486,7 +5459,8 @@
 			if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
 				if (pVBInfo->VBInfo & SetCRT2ToDualEdge) {
 					tempah = 0x7F; /* Disable Channel A */
-					if (!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA))
+					if (!(pVBInfo->VBInfo &
+					      XGI_SetCRT2ToLCDA))
 						/* Disable Channel B */
 						tempah = 0xBF;
 
@@ -5505,9 +5479,10 @@
 		xgifb_reg_and(pVBInfo->Part4Port, 0x1F, tempah);
 
 		if (pVBInfo->VBType & (VB_SIS302LV | VB_XGI301C)) {
-			if (((pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)))
-					|| (XGI_DisableChISLCD(pVBInfo))
-					|| (XGI_IsLCDON(pVBInfo)))
+			if (((pVBInfo->VBInfo &
+			      (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)))
+			    || (XGI_DisableChISLCD(pVBInfo))
+			    || (XGI_IsLCDON(pVBInfo)))
 				/* LVDS Driver power down */
 				xgifb_reg_or(pVBInfo->Part4Port, 0x30, 0x80);
 		}
@@ -5673,7 +5648,8 @@
 
 			if (pVBInfo->VBInfo & SetCRT2ToDualEdge)
 				tempbl = tempbl >> 4;
-			if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) {
+			if (pVBInfo->VBInfo &
+			    (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) {
 				tempbh = XGI301LCDDelay;
 
 				if (!(pVBInfo->VBInfo & XGI_SetCRT2ToLCDA))
@@ -5690,7 +5666,8 @@
 				tempah |= tempbl;
 			}
 
-			if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) { /* Channel A */
+			if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
+				/* Channel A */
 				tempah &= 0x0F;
 				tempah |= tempbh;
 			}
@@ -6025,60 +6002,49 @@
 	tempah = 0x08;
 	tempbl = 0xf0;
 
-	if (pVBInfo->VBInfo & DisableCRT2Display) {
-		xgifb_reg_and_or(pVBInfo->Part1Port, 0x2e, tempbl, tempah);
-	} else {
-		tempah = 0x00;
-		tempbl = 0xff;
+	if (pVBInfo->VBInfo & DisableCRT2Display)
+		goto reg_and_or;
 
-		if (pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToTV
-				| SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) {
-			if ((pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) &&
-			    (!(pVBInfo->VBInfo & SetSimuScanMode))) {
-				tempbl &= 0xf7;
-				tempah |= 0x01;
-				xgifb_reg_and_or(pVBInfo->Part1Port, 0x2e,
-						tempbl, tempah);
-			} else {
-				if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
-					tempbl &= 0xf7;
-					tempah |= 0x01;
-				}
+	tempah = 0x00;
+	tempbl = 0xff;
 
-				if (pVBInfo->VBInfo &
-				    (SetCRT2ToRAMDAC |
-				     SetCRT2ToTV |
-				     SetCRT2ToLCD)) {
-					tempbl &= 0xf8;
-					tempah = 0x01;
+	if (!(pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToTV |
+				 SetCRT2ToLCD | XGI_SetCRT2ToLCDA)))
+		goto reg_and_or;
 
-					if (!(pVBInfo->VBInfo & SetInSlaveMode))
-						tempah |= 0x02;
-
-					if (!(pVBInfo->VBInfo &
-					      SetCRT2ToRAMDAC)) {
-						tempah = tempah ^ 0x05;
-						if (!(pVBInfo->VBInfo &
-						      SetCRT2ToLCD))
-							tempah = tempah ^ 0x01;
-					}
-
-					if (!(pVBInfo->VBInfo &
-					      SetCRT2ToDualEdge))
-						tempah |= 0x08;
-					xgifb_reg_and_or(pVBInfo->Part1Port,
-							0x2e, tempbl, tempah);
-				} else {
-					xgifb_reg_and_or(pVBInfo->Part1Port,
-							0x2e, tempbl, tempah);
-				}
-			}
-		} else {
-			xgifb_reg_and_or(pVBInfo->Part1Port, 0x2e, tempbl,
-					tempah);
-		}
+	if ((pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) &&
+	    (!(pVBInfo->VBInfo & SetSimuScanMode))) {
+		tempbl &= 0xf7;
+		tempah |= 0x01;
+		goto reg_and_or;
 	}
 
+	if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
+		tempbl &= 0xf7;
+		tempah |= 0x01;
+	}
+
+	if (!(pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToTV | SetCRT2ToLCD)))
+		goto reg_and_or;
+
+	tempbl &= 0xf8;
+	tempah = 0x01;
+
+	if (!(pVBInfo->VBInfo & SetInSlaveMode))
+		tempah |= 0x02;
+
+	if (!(pVBInfo->VBInfo & SetCRT2ToRAMDAC)) {
+		tempah = tempah ^ 0x05;
+		if (!(pVBInfo->VBInfo & SetCRT2ToLCD))
+			tempah = tempah ^ 0x01;
+	}
+
+	if (!(pVBInfo->VBInfo & SetCRT2ToDualEdge))
+		tempah |= 0x08;
+
+reg_and_or:
+	xgifb_reg_and_or(pVBInfo->Part1Port, 0x2e, tempbl, tempah);
+
 	if (pVBInfo->VBInfo & (SetCRT2ToRAMDAC | SetCRT2ToTV | SetCRT2ToLCD
 			| XGI_SetCRT2ToLCDA)) {
 		tempah &= (~0x08);
@@ -6245,8 +6211,7 @@
 		    (pVBInfo->RefIndex[RefreshRateTableIndex].YRes == 600)) {
 			index++;
 		}
-		/* Alan 10/19/2007;
-		 * do the similar adjustment like XGISearchCRT1Rate() */
+		/* do the similar adjustment like XGISearchCRT1Rate() */
 		if ((pVBInfo->RefIndex[RefreshRateTableIndex].XRes == 1024) &&
 		    (pVBInfo->RefIndex[RefreshRateTableIndex].YRes == 768)) {
 			index++;
@@ -6354,7 +6319,7 @@
 	int i;
 	xgifb_reg_set(pVBInfo->P3c4, 0x05, 0x86);
 
-	/* [2004/05/06] Vicent to fix XG42 single LCD sense to CRT+LCD */
+	/* to fix XG42 single LCD sense to CRT+LCD */
 	xgifb_reg_set(pVBInfo->P3d4, 0x57, 0x4A);
 	xgifb_reg_set(pVBInfo->P3d4, 0x53, (unsigned char) (xgifb_reg_get(
 			pVBInfo->P3d4, 0x53) | 0x02));
@@ -6419,7 +6384,7 @@
 	else
 		xgifb_reg_and_or(pVBInfo->P3d4, 0x32, 0xDF, 0x00);
 
-	/* alan, avoid display something, set BLACK DAC if not restore DAC */
+	/* avoid display something, set BLACK DAC if not restore DAC */
 	outb(0x00, pVBInfo->P3c8);
 
 	for (i = 0; i < 256; i++) {
@@ -6432,7 +6397,6 @@
 	xgifb_reg_set(pVBInfo->P3d4, 0x63, CR63);
 	xgifb_reg_set(pVBInfo->P3c4, 0x31, SR31);
 
-	/* [2004/05/11] Vicent */
 	xgifb_reg_set(pVBInfo->P3d4, 0x53, (unsigned char) (xgifb_reg_get(
 			pVBInfo->P3d4, 0x53) & 0xFD));
 	xgifb_reg_set(pVBInfo->P3c4, 0x1F, (unsigned char) SR1F);
@@ -6509,32 +6473,24 @@
 		if (!(pVBInfo->VBInfo & DisableCRT2Display)) {
 			tempah = 0xc0;
 
-			if (!(pVBInfo->VBInfo & SetSimuScanMode)) {
-				if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) {
-					if (pVBInfo->VBInfo &
-					    SetCRT2ToDualEdge) {
-						tempah = tempah & 0x40;
-						if (pVBInfo->VBInfo &
-						    XGI_SetCRT2ToLCDA)
-							tempah = tempah ^ 0xC0;
+			if (!(pVBInfo->VBInfo & SetSimuScanMode) &&
+			    (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA) &&
+			    (pVBInfo->VBInfo & SetCRT2ToDualEdge)) {
+				tempah = tempah & 0x40;
+				if (pVBInfo->VBInfo & XGI_SetCRT2ToLCDA)
+					tempah = tempah ^ 0xC0;
 
-						if (pVBInfo->SetFlag &
-						    DisableChB)
-							tempah &= 0xBF;
+				if (pVBInfo->SetFlag & DisableChB)
+					tempah &= 0xBF;
 
-						if (pVBInfo->SetFlag &
-						    DisableChA)
-							tempah &= 0x7F;
+				if (pVBInfo->SetFlag &  DisableChA)
+					tempah &= 0x7F;
 
-						if (pVBInfo->SetFlag &
-						    EnableChB)
-							tempah |= 0x40;
+				if (pVBInfo->SetFlag &  EnableChB)
+					tempah |= 0x40;
 
-						if (pVBInfo->SetFlag &
-						    EnableChA)
-							tempah |= 0x80;
-					}
-				}
+				if (pVBInfo->SetFlag &  EnableChA)
+					tempah |= 0x80;
 			}
 		}
 
@@ -6653,7 +6609,7 @@
 	pVBInfo->IF_DEF_LVDS = 0;
 	pVBInfo->IF_DEF_LCDA = 1;
 
-	if (HwDeviceExtension->jChipType >= XG20) { /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType >= XG20) {
 		pVBInfo->IF_DEF_YPbPr = 0;
 		pVBInfo->IF_DEF_HiVision = 0;
 		pVBInfo->IF_DEF_CRT2Monitor = 0;
@@ -6695,7 +6651,7 @@
 		}
 	}
 
-	if (HwDeviceExtension->jChipType < XG20) /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20)
 		XGI_GetVBType(pVBInfo);
 
 	InitTo330Pointer(HwDeviceExtension->jChipType, pVBInfo);
@@ -6703,12 +6659,12 @@
 		ModeNo = ModeNo & 0x7F;
 	xgifb_reg_set(pVBInfo->P3c4, 0x05, 0x86);
 
-	if (HwDeviceExtension->jChipType < XG20) /* kuku 2004/06/25 1.Openkey */
+	if (HwDeviceExtension->jChipType < XG20)
 		XGI_UnLockCRT2(HwDeviceExtension, pVBInfo);
 
 	XGI_SearchModeID(ModeNo, &ModeIdIndex, pVBInfo);
 
-	if (HwDeviceExtension->jChipType < XG20) { /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20) {
 		XGI_GetVBInfo(ModeNo, ModeIdIndex, HwDeviceExtension, pVBInfo);
 		XGI_GetTVInfo(ModeNo, ModeIdIndex, pVBInfo);
 		XGI_GetLCDInfo(ModeNo, ModeIdIndex, pVBInfo);
@@ -6779,9 +6735,8 @@
 
 	XGI_UpdateModeInfo(HwDeviceExtension, pVBInfo);
 
-	if (HwDeviceExtension->jChipType < XG20) { /* kuku 2004/06/25 */
+	if (HwDeviceExtension->jChipType < XG20)
 		XGI_LockCRT2(HwDeviceExtension, pVBInfo);
-	}
 
 	return 1;
 }
diff --git a/drivers/staging/xgifb/vb_struct.h b/drivers/staging/xgifb/vb_struct.h
index aea760a..22c8eb9 100644
--- a/drivers/staging/xgifb/vb_struct.h
+++ b/drivers/staging/xgifb/vb_struct.h
@@ -28,7 +28,6 @@
 	unsigned char  ModeID;
 	unsigned short XRes;
 	unsigned short YRes;
-	/* unsigned short ROM_OFFSET; */
 };
 
 struct XGI_ECLKDataStruct {
@@ -167,7 +166,6 @@
 	unsigned short   LCDHRS, LCDVRS, LCDHDES, LCDVDES;
 
 	unsigned short   ModeType;
-	/* ,IF_DEF_FSTN; add for dstn */
 	unsigned short   IF_DEF_LVDS, IF_DEF_TRUMPION, IF_DEF_DSTN;
 	unsigned short   IF_DEF_CRT2Monitor;
 	unsigned short   IF_DEF_LCDA, IF_DEF_YPbPr;
@@ -225,7 +223,6 @@
 	struct SiS_StandTable_S  *StandTable;
 	struct XGI_ExtStruct         *EModeIDTable;
 	struct XGI_Ext2Struct        *RefIndex;
-	/* XGINew_CRT1TableStruct *CRT1Table; */
 	struct XGI_CRT1TableStruct    *XGINEWUB_CRT1Table;
 	struct SiS_VCLKData    *VCLKData;
 	struct SiS_VBVCLKData  *VBVCLKData;
diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h
index 75da7c3..1c16846 100644
--- a/drivers/staging/xgifb/vb_table.h
+++ b/drivers/staging/xgifb/vb_table.h
@@ -1,6 +1,5 @@
 #ifndef _VB_TABLE_
 #define _VB_TABLE_
-/* yilin modify for xgi20 */
 static struct SiS_MCLKData XGI340New_MCLKData[] = {
 	{0x16, 0x01, 0x01, 166},
 	{0x19, 0x02, 0x01, 124},
@@ -23,7 +22,6 @@
 	{0x5c, 0x23, 0x01, 166}
 };
 
-/* yilin modify for xgi20 */
 static struct XGI_ECLKDataStruct XGI340_ECLKData[] = {
 	{0x5c, 0x23, 0x01, 166},
 	{0x55, 0x84, 0x01, 123},
@@ -424,13 +422,9 @@
 };
 
 static struct SiS_LCDData  XGI_ExtLCD1024x768Data[] = {
-	/* { 12, 5, 896, 512,1344, 806}, // alan 09/12/2003 */
 	{42, 25, 1536, 419, 1344, 806},
-	/* { 12, 5, 896, 510,1344, 806}, // alan 09/12/2003 */
 	{48, 25, 1536, 369, 1344, 806},
-	/* { 32, 15,1008, 505,1344, 806}, // alan 09/12/2003 */
 	{42, 25, 1536, 419, 1344, 806},
-	/* { 32, 15,1008, 514,1344, 806}, // alan 09/12/2003 */
 	{48, 25, 1536, 369, 1344, 806},
 	{12, 5,  896,  500, 1344, 806},
 	{42, 25, 1024, 625, 1344, 806},
@@ -504,14 +498,10 @@
 };
 
 static struct SiS_LCDData  XGI_ExtLCD1600x1200Data[] = {
-	{4,  1,  1620, 420,  2160, 1250}, /* { 3,1,2160,425,2160,1250 },
-					  // 00 (320x200,320x400,
-					  //	 640x200,640x400)
-					  //	 // alan 10/14/2003 */
+	{4,  1,  1620, 420,  2160, 1250}, /* 00 (320x200,320x400,
+						 640x200,640x400)*/
 	{27, 7,  1920, 375,  2160, 1250}, /* 01 (320x350,640x350) */
-	{4,  1,  1620, 420,  2160, 1250}, /* { 3,1,2160,425,2160,1250 },
-					  // 02 (360x400,720x400)
-					  // // alan 10/14/2003 */
+	{4,  1,  1620, 420,  2160, 1250}, /* 02 (360x400,720x400)*/
 	{27, 7,  1920, 375,  2160, 1250}, /* 03 (720x350) */
 	{27, 4,  800,  500,  2160, 1250}, /* 04 (640x480x60Hz) */
 	{4,  1,  1080, 625,  2160, 1250}, /* 05 (800x600x60Hz) */
@@ -615,8 +605,7 @@
 	{1, 1, 1056, 625,  1056, 625},  /* ; 05 (800x600x75Hz) */
 	{1, 1, 1312, 800,  1312, 800},  /* ; 06 (1024x768x75Hz) */
 	{1, 1, 1688, 1066, 1688, 1066}, /* ; 07 (1280x1024x75Hz) */
-	{1, 1, 1688, 1066, 1688, 1066}, /* ; 08 (1400x1050x75Hz)
-					   ;;[ycchen] 12/19/02 */
+	{1, 1, 1688, 1066, 1688, 1066}, /* ; 08 (1400x1050x75Hz)*/
 	{1, 1, 2160, 1250, 2160, 1250}, /* ; 09 (1600x1200x75Hz) */
 	{1, 1, 1688, 806,  1688, 806}   /* ; 0A (1280x768x75Hz) */
 };
@@ -823,8 +812,7 @@
 	{9, 849,  627, 600,  128,  4}, /* 05 (800x600x60Hz) */
 	{9, 1057, 805, 770,  0136, 6}, /* 06 (1024x768x60Hz) */
 	{9, 1337, 0,   1025, 112,  3}, /* 07 (1280x1024x60Hz) */
-	{9, 1457, 0,   1051, 112,  3}, /* 08 (1400x1050x60Hz) },
-					//;[ycchen] 12/19/02 */
+	{9, 1457, 0,   1051, 112,  3}, /* 08 (1400x1050x60Hz)*/
 	{9, 1673, 0,   1201, 192,  3}, /* 09 (1600x1200x60Hz) */
 	{9, 1337, 0,   771,  112,  6}  /* 0A (1280x768x60Hz) */
 };
@@ -910,8 +898,7 @@
 	{9, 825,  0,   601,  80,  3}, /* ; 05 (800x600x75Hz) */
 	{9, 1049, 0,   769,  96,  3}, /* ; 06 (1024x768x75Hz) */
 	{9, 1305, 0,   1025, 144, 3}, /* ; 07 (1280x1024x75Hz) */
-	{9, 1457, 0,   1051, 112, 3}, /* ; 08 (1400x1050x60Hz)
-					 ;;[ycchen] 12/19/02 */
+	{9, 1457, 0,   1051, 112, 3}, /* ; 08 (1400x1050x60Hz)*/
 	{9, 1673, 0,   1201, 192, 3}, /* ; 09 (1600x1200x75Hz) */
 	{9, 1337, 0,   771,  112, 6}  /* ; 0A (1280x768x60Hz) */
 };
@@ -1308,7 +1295,7 @@
 	{1056,  628, 1056,  628}, /* 05 (800x600x60Hz) */
 	{1344,  806, 1344,  806}, /* 06 (1024x768x60Hz) */
 	{1688, 1066, 1688, 1066}, /* 07 (1280x1024x60Hz) */
-	{1688, 1066, 1688, 1066}, /* 08 (1400x1050x60Hz) ;;[ycchen] 12/19/02 */
+	{1688, 1066, 1688, 1066}, /* 08 (1400x1050x60Hz) */
 	{2160, 1250, 2160, 1250}, /* 09 (1600x1200x60Hz) */
 	{1688,  806, 1688,  806}  /* 0A (1280x768x60Hz) */
 };
@@ -1469,8 +1456,7 @@
 	{0,  840,  627,  600, 128, 4}, /* 05 (800x600x60Hz) */
 	{0, 1048,  805,  770, 136, 6}, /* 06 (1024x768x60Hz) */
 	{0, 1328,    0, 1025, 112, 3}, /* 07 (1280x1024x60Hz) */
-	{0, 1438,    0, 1051, 112, 3}, /* 08 (1400x1050x60Hz)
-					;;[ycchen] 12/19/02 */
+	{0, 1438,    0, 1051, 112, 3}, /* 08 (1400x1050x60Hz)*/
 	{0, 1664,    0, 1201, 192, 3}, /* 09 (1600x1200x60Hz) */
 	{0, 1328,    0, 0771, 112, 6}  /* 0A (1280x768x60Hz) */
 };
@@ -1518,7 +1504,7 @@
 };
 
 /* The Display setting for DE Mode Panel */
-/* [ycchen] 02/18/03 Set DE as default */
+/* Set DE as default */
 static struct SiS_LVDSData XGI_LVDS1280x1024Des_2x75[] = {
 	{1368,  976, 752,  711}, /* ; 00 (320x200,320x400,640x200,640x400) */
 	{1368,  976, 729,  688}, /* ; 01 (320x350,640x350) */
@@ -1541,8 +1527,7 @@
 	{0,  816,   0,  601,  80, 3}, /* ; 05 (800x600x75Hz) */
 	{0, 1040,   0,  769,  96, 3}, /* ; 06 (1024x768x75Hz) */
 	{0, 1296,   0, 1025, 144, 3}, /* ; 07 (1280x1024x75Hz) */
-	{0, 1448,   0, 1051, 112, 3}, /* ; 08 (1400x1050x75Hz)
-					 ;;[ycchen] 12/19/02 */
+	{0, 1448,   0, 1051, 112, 3}, /* ; 08 (1400x1050x75Hz) */
 	{0, 1664,   0, 1201, 192, 3}, /* ; 09 (1600x1200x75Hz) */
 	{0, 1328,   0,  771, 112, 6}  /* ; 0A (1280x768x75Hz) */
 };
@@ -1853,9 +1838,12 @@
 	{Panel_1024x768x75, 0x0019, 0x0001, 12}, /* XGI_ExtLCD1024x768x75Data */
 	{Panel_1024x768x75, 0x0019, 0x0000, 13}, /* XGI_StLCD1024x768x75Data */
 	{Panel_1024x768x75, 0x0018, 0x0010, 14}, /* XGI_CetLCD1024x768x75Data */
-	{Panel_1280x1024x75, 0x0019, 0x0001, 15}, /* XGI_ExtLCD1280x1024x75Data*/
-	{Panel_1280x1024x75, 0x0019, 0x0000, 16}, /* XGI_StLCD1280x1024x75Data */
-	{Panel_1280x1024x75, 0x0018, 0x0010, 17}, /* XGI_CetLCD1280x1024x75Data*/
+	/* XGI_ExtLCD1280x1024x75Data */
+	{Panel_1280x1024x75, 0x0019, 0x0001, 15},
+	/* XGI_StLCD1280x1024x75Data */
+	{Panel_1280x1024x75, 0x0019, 0x0000, 16},
+	/* XGI_CetLCD1280x1024x75Data */
+	{Panel_1280x1024x75, 0x0018, 0x0010, 17},
 	{PanelRef75Hz, 0x0008, 0x0008, 18}, /* XGI_NoScalingDatax75 */
 	{0xFF, 0x0000, 0x0000, 0} /* End of table */
 };
@@ -1874,9 +1862,12 @@
 	{Panel_1600x1200, 0x0019, 0x0001, 10}, /* XGI_ExtLCDDes1600x1200Data */
 	{Panel_1600x1200, 0x0019, 0x0000, 11}, /* XGI_StLCDDes1600x1200Data */
 	{PanelRef60Hz, 0x0008, 0x0008, 12}, /* XGI_NoScalingDesData */
-	{Panel_1024x768x75, 0x0019, 0x0001, 13}, /*XGI_ExtLCDDes1024x768x75Data*/
-	{Panel_1024x768x75, 0x0019, 0x0000, 14}, /* XGI_StLCDDes1024x768x75Data*/
-	{Panel_1024x768x75, 0x0018, 0x0010, 15}, /*XGI_CetLCDDes1024x768x75Data*/
+	/* XGI_ExtLCDDes1024x768x75Data */
+	{Panel_1024x768x75, 0x0019, 0x0001, 13},
+	/* XGI_StLCDDes1024x768x75Data */
+	{Panel_1024x768x75, 0x0019, 0x0000, 14},
+	/* XGI_CetLCDDes1024x768x75Data */
+	{Panel_1024x768x75, 0x0018, 0x0010, 15},
 	/* XGI_ExtLCDDes1280x1024x75Data */
 	{Panel_1280x1024x75, 0x0019, 0x0001, 16},
 	/* XGI_StLCDDes1280x1024x75Data */
@@ -1913,8 +1904,10 @@
 	{PanelRef60Hz, 0x0008, 0x0008, 7}, /* XGI_LVDSNoScalingData */
 	{Panel_1024x768x75, 0x0018, 0x0000, 8}, /* XGI_LVDS1024x768Data_1x75 */
 	{Panel_1024x768x75, 0x0018, 0x0010, 9}, /* XGI_LVDS1024x768Data_2x75 */
-	{Panel_1280x1024x75, 0x0018, 0x0000, 10}, /* XGI_LVDS1280x1024Data_1x75*/
-	{Panel_1280x1024x75, 0x0018, 0x0010, 11},  /*XGI_LVDS1280x1024Data_2x75*/
+	/* XGI_LVDS1280x1024Data_1x75 */
+	{Panel_1280x1024x75, 0x0018, 0x0000, 10},
+	/* XGI_LVDS1280x1024Data_2x75 */
+	{Panel_1280x1024x75, 0x0018, 0x0010, 11},
 	{PanelRef75Hz, 0x0008, 0x0008, 12}, /* XGI_LVDSNoScalingDatax75 */
 	{0xFF, 0x0000, 0x0000, 0}
 };
@@ -1932,8 +1925,10 @@
 	{Panel_1024x768x75, 0x0018, 0x0000, 9}, /* XGI_LVDS1024x768Des_1x75 */
 	{Panel_1024x768x75, 0x0618, 0x0410, 10}, /* XGI_LVDS1024x768Des_3x75 */
 	{Panel_1024x768x75, 0x0018, 0x0010, 11}, /* XGI_LVDS1024x768Des_2x75 */
-	{Panel_1280x1024x75, 0x0018, 0x0000, 12}, /* XGI_LVDS1280x1024Des_1x75 */
-	{Panel_1280x1024x75, 0x0018, 0x0010, 13}, /* XGI_LVDS1280x1024Des_2x75 */
+	/* XGI_LVDS1280x1024Des_1x75 */
+	{Panel_1280x1024x75, 0x0018, 0x0000, 12},
+	/* XGI_LVDS1280x1024Des_2x75 */
+	{Panel_1280x1024x75, 0x0018, 0x0010, 13},
 	{PanelRef75Hz, 0x0008, 0x0008, 14}, /* XGI_LVDSNoScalingDesDatax75 */
 	{0xFF, 0x0000, 0x0000, 0}
 };
diff --git a/drivers/staging/xgifb/vgatypes.h b/drivers/staging/xgifb/vgatypes.h
index 7fc0719..ddf7776 100644
--- a/drivers/staging/xgifb/vgatypes.h
+++ b/drivers/staging/xgifb/vgatypes.h
@@ -21,40 +21,6 @@
 };
 #endif
 
-
-#define XGI_LCD_TYPE
-/* Since the merge with video/sis the LCD_TYPEs are used from
- drivers/video/sis/sis.h . Nevertheless we keep this (for the moment) for
- future reference until the code is merged completely and we are sure
- nothing of this should be added to the sis.h header */
-#ifndef XGI_LCD_TYPE
-enum XGI_LCD_TYPE {
-	LCD_INVALID = 0,
-	LCD_320x480,       /* FSTN, DSTN */
-	LCD_640x480,
-	LCD_640x480_2,     /* FSTN, DSTN */
-	LCD_640x480_3,     /* FSTN, DSTN */
-	LCD_800x600,
-	LCD_848x480,
-	LCD_1024x600,
-	LCD_1024x768,
-	LCD_1152x768,
-	LCD_1152x864,
-	LCD_1280x720,
-	LCD_1280x768,
-	LCD_1280x800,
-	LCD_1280x960,
-	LCD_1280x1024,
-	LCD_1400x1050,
-	LCD_1600x1200,
-	LCD_1680x1050,
-	LCD_1920x1440,
-	LCD_2048x1536,
-	LCD_CUSTOM,
-	LCD_UNKNOWN
-};
-#endif
-
 struct xgi_hw_device_info {
 	unsigned long ulExternalChip; /* NO VB or other video bridge*/
 				      /* if ujVBChipID = VB_CHIP_UNKNOWN, */
diff --git a/drivers/staging/zcache/tmem.c b/drivers/staging/zcache/tmem.c
index 1ca66ea..eaa9021 100644
--- a/drivers/staging/zcache/tmem.c
+++ b/drivers/staging/zcache/tmem.c
@@ -72,33 +72,49 @@
  * the hashbucket lock must be held.
  */
 
-/* searches for object==oid in pool, returns locked object if found */
-static struct tmem_obj *tmem_obj_find(struct tmem_hashbucket *hb,
-					struct tmem_oid *oidp)
+static struct tmem_obj
+*__tmem_obj_find(struct tmem_hashbucket*hb, struct tmem_oid *oidp,
+		 struct rb_node **parent, struct rb_node ***link)
 {
-	struct rb_node *rbnode;
-	struct tmem_obj *obj;
+	struct rb_node *_parent = NULL, **rbnode;
+	struct tmem_obj *obj = NULL;
 
-	rbnode = hb->obj_rb_root.rb_node;
-	while (rbnode) {
-		BUG_ON(RB_EMPTY_NODE(rbnode));
-		obj = rb_entry(rbnode, struct tmem_obj, rb_tree_node);
+	rbnode = &hb->obj_rb_root.rb_node;
+	while (*rbnode) {
+		BUG_ON(RB_EMPTY_NODE(*rbnode));
+		_parent = *rbnode;
+		obj = rb_entry(*rbnode, struct tmem_obj,
+			       rb_tree_node);
 		switch (tmem_oid_compare(oidp, &obj->oid)) {
 		case 0: /* equal */
 			goto out;
 		case -1:
-			rbnode = rbnode->rb_left;
+			rbnode = &(*rbnode)->rb_left;
 			break;
 		case 1:
-			rbnode = rbnode->rb_right;
+			rbnode = &(*rbnode)->rb_right;
 			break;
 		}
 	}
+
+	if (parent)
+		*parent = _parent;
+	if (link)
+		*link = rbnode;
+
 	obj = NULL;
 out:
 	return obj;
 }
 
+
+/* searches for object==oid in pool, returns locked object if found */
+static struct tmem_obj *tmem_obj_find(struct tmem_hashbucket *hb,
+					struct tmem_oid *oidp)
+{
+	return __tmem_obj_find(hb, oidp, NULL, NULL);
+}
+
 static void tmem_pampd_destroy_all_in_obj(struct tmem_obj *);
 
 /* free an object that has no more pampds in it */
@@ -131,8 +147,7 @@
 					struct tmem_oid *oidp)
 {
 	struct rb_root *root = &hb->obj_rb_root;
-	struct rb_node **new = &(root->rb_node), *parent = NULL;
-	struct tmem_obj *this;
+	struct rb_node **new = NULL, *parent = NULL;
 
 	BUG_ON(pool == NULL);
 	atomic_inc(&pool->obj_count);
@@ -144,22 +159,10 @@
 	obj->pampd_count = 0;
 	(*tmem_pamops.new_obj)(obj);
 	SET_SENTINEL(obj, OBJ);
-	while (*new) {
-		BUG_ON(RB_EMPTY_NODE(*new));
-		this = rb_entry(*new, struct tmem_obj, rb_tree_node);
-		parent = *new;
-		switch (tmem_oid_compare(oidp, &this->oid)) {
-		case 0:
-			BUG(); /* already present; should never happen! */
-			break;
-		case -1:
-			new = &(*new)->rb_left;
-			break;
-		case 1:
-			new = &(*new)->rb_right;
-			break;
-		}
-	}
+
+	if (__tmem_obj_find(hb, oidp, &parent, &new))
+		BUG();
+
 	rb_link_node(&obj->rb_tree_node, parent, new);
 	rb_insert_color(&obj->rb_tree_node, root);
 }
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index c9e08bb..c214977 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -36,9 +36,6 @@
 
 #include "../zsmalloc/zsmalloc.h"
 
-#if (!defined(CONFIG_CLEANCACHE) && !defined(CONFIG_FRONTSWAP))
-#error "zcache is useless without CONFIG_CLEANCACHE or CONFIG_FRONTSWAP"
-#endif
 #ifdef CONFIG_CLEANCACHE
 #include <linux/cleancache.h>
 #endif
@@ -77,6 +74,17 @@
 	return cli - &zcache_clients[0];
 }
 
+static struct zcache_client *get_zcache_client(uint16_t cli_id)
+{
+	if (cli_id == LOCAL_CLIENT)
+		return &zcache_host;
+
+	if ((unsigned int)cli_id < MAX_CLIENTS)
+		return &zcache_clients[cli_id];
+
+	return NULL;
+}
+
 static inline bool is_local_client(struct zcache_client *cli)
 {
 	return cli == &zcache_host;
@@ -109,6 +117,8 @@
 	case ZCACHE_COMPOP_DECOMPRESS:
 		ret = crypto_comp_decompress(tfm, src, slen, dst, dlen);
 		break;
+	default:
+		ret = -EINVAL;
 	}
 	put_cpu();
 	return ret;
@@ -601,16 +611,14 @@
 	return;
 }
 
-static void zbud_init(void)
+static void __init zbud_init(void)
 {
 	int i;
 
 	INIT_LIST_HEAD(&zbud_buddied_list);
-	zcache_zbud_buddied_count = 0;
-	for (i = 0; i < NCHUNKS; i++) {
+
+	for (i = 0; i < NCHUNKS; i++)
 		INIT_LIST_HEAD(&zbud_unbuddied[i].list);
-		zbud_unbuddied[i].count = 0;
-	}
 }
 
 #ifdef CONFIG_SYSFS
@@ -708,7 +716,7 @@
 		goto out;
 	atomic_inc(&zv_curr_dist_counts[chunks]);
 	atomic_inc(&zv_cumul_dist_counts[chunks]);
-	zv = zs_map_object(pool, handle);
+	zv = zs_map_object(pool, handle, ZS_MM_WO);
 	zv->index = index;
 	zv->oid = *oid;
 	zv->pool_id = pool_id;
@@ -727,7 +735,7 @@
 	uint16_t size;
 	int chunks;
 
-	zv = zs_map_object(pool, handle);
+	zv = zs_map_object(pool, handle, ZS_MM_RW);
 	ASSERT_SENTINEL(zv, ZVH);
 	size = zv->size + sizeof(struct zv_hdr);
 	INVERT_SENTINEL(zv, ZVH);
@@ -749,7 +757,7 @@
 	int ret;
 	struct zv_hdr *zv;
 
-	zv = zs_map_object(zcache_host.zspool, handle);
+	zv = zs_map_object(zcache_host.zspool, handle, ZS_MM_RO);
 	BUG_ON(zv->size == 0);
 	ASSERT_SENTINEL(zv, ZVH);
 	to_va = kmap_atomic(page);
@@ -938,16 +946,11 @@
 	struct tmem_pool *pool = NULL;
 	struct zcache_client *cli = NULL;
 
-	if (cli_id == LOCAL_CLIENT)
-		cli = &zcache_host;
-	else {
-		if (cli_id >= MAX_CLIENTS)
-			goto out;
-		cli = &zcache_clients[cli_id];
-		if (cli == NULL)
-			goto out;
-		atomic_inc(&cli->refcount);
-	}
+	cli = get_zcache_client(cli_id);
+	if (!cli)
+		goto out;
+
+	atomic_inc(&cli->refcount);
 	pool = idr_find(&cli->tmem_pools, poolid);
 	if (pool != NULL)
 		atomic_inc(&pool->refcount);
@@ -968,13 +971,11 @@
 
 int zcache_new_client(uint16_t cli_id)
 {
-	struct zcache_client *cli = NULL;
+	struct zcache_client *cli;
 	int ret = -1;
 
-	if (cli_id == LOCAL_CLIENT)
-		cli = &zcache_host;
-	else if ((unsigned int)cli_id < MAX_CLIENTS)
-		cli = &zcache_clients[cli_id];
+	cli = get_zcache_client(cli_id);
+
 	if (cli == NULL)
 		goto out;
 	if (cli->allocated)
@@ -1033,45 +1034,38 @@
 		goto out;
 	if (unlikely(zcache_obj_cache == NULL))
 		goto out;
-	preempt_disable();
+
+	/* IRQ has already been disabled. */
 	kp = &__get_cpu_var(zcache_preloads);
 	while (kp->nr < ARRAY_SIZE(kp->objnodes)) {
-		preempt_enable_no_resched();
 		objnode = kmem_cache_alloc(zcache_objnode_cache,
 				ZCACHE_GFP_MASK);
 		if (unlikely(objnode == NULL)) {
 			zcache_failed_alloc++;
 			goto out;
 		}
-		preempt_disable();
-		kp = &__get_cpu_var(zcache_preloads);
-		if (kp->nr < ARRAY_SIZE(kp->objnodes))
-			kp->objnodes[kp->nr++] = objnode;
-		else
-			kmem_cache_free(zcache_objnode_cache, objnode);
+
+		kp->objnodes[kp->nr++] = objnode;
 	}
-	preempt_enable_no_resched();
-	obj = kmem_cache_alloc(zcache_obj_cache, ZCACHE_GFP_MASK);
-	if (unlikely(obj == NULL)) {
-		zcache_failed_alloc++;
-		goto out;
-	}
-	page = (void *)__get_free_page(ZCACHE_GFP_MASK);
-	if (unlikely(page == NULL)) {
-		zcache_failed_get_free_pages++;
-		kmem_cache_free(zcache_obj_cache, obj);
-		goto out;
-	}
-	preempt_disable();
-	kp = &__get_cpu_var(zcache_preloads);
-	if (kp->obj == NULL)
+
+	if (!kp->obj) {
+		obj = kmem_cache_alloc(zcache_obj_cache, ZCACHE_GFP_MASK);
+		if (unlikely(obj == NULL)) {
+			zcache_failed_alloc++;
+			goto out;
+		}
 		kp->obj = obj;
-	else
-		kmem_cache_free(zcache_obj_cache, obj);
-	if (kp->page == NULL)
-		kp->page = page;
-	else
-		free_page((unsigned long)page);
+	}
+
+	if (!kp->page) {
+		page = (void *)__get_free_page(ZCACHE_GFP_MASK);
+		if (unlikely(page == NULL)) {
+			zcache_failed_get_free_pages++;
+			goto out;
+		}
+		kp->page =  page;
+	}
+
 	ret = 0;
 out:
 	return ret;
@@ -1581,15 +1575,14 @@
 			else
 				zcache_failed_pers_puts++;
 		}
-		zcache_put_pool(pool);
-		preempt_enable_no_resched();
 	} else {
 		zcache_put_to_flush++;
 		if (atomic_read(&pool->obj_count) > 0)
 			/* the put fails whether the flush succeeds or not */
 			(void)tmem_flush_page(pool, oidp, index);
-		zcache_put_pool(pool);
 	}
+
+	zcache_put_pool(pool);
 out:
 	return ret;
 }
@@ -1659,17 +1652,16 @@
 static int zcache_destroy_pool(int cli_id, int pool_id)
 {
 	struct tmem_pool *pool = NULL;
-	struct zcache_client *cli = NULL;
+	struct zcache_client *cli;
 	int ret = -1;
 
 	if (pool_id < 0)
 		goto out;
-	if (cli_id == LOCAL_CLIENT)
-		cli = &zcache_host;
-	else if ((unsigned int)cli_id < MAX_CLIENTS)
-		cli = &zcache_clients[cli_id];
+
+	cli = get_zcache_client(cli_id);
 	if (cli == NULL)
 		goto out;
+
 	atomic_inc(&cli->refcount);
 	pool = idr_find(&cli->tmem_pools, pool_id);
 	if (pool == NULL)
@@ -1696,12 +1688,10 @@
 	struct zcache_client *cli = NULL;
 	int r;
 
-	if (cli_id == LOCAL_CLIENT)
-		cli = &zcache_host;
-	else if ((unsigned int)cli_id < MAX_CLIENTS)
-		cli = &zcache_clients[cli_id];
+	cli = get_zcache_client(cli_id);
 	if (cli == NULL)
 		goto out;
+
 	atomic_inc(&cli->refcount);
 	pool = kmalloc(sizeof(struct tmem_pool), GFP_ATOMIC);
 	if (pool == NULL) {
@@ -1985,7 +1975,7 @@
 __setup("zcache=", enable_zcache_compressor);
 
 
-static int zcache_comp_init(void)
+static int __init zcache_comp_init(void)
 {
 	int ret = 0;
 
@@ -2025,7 +2015,7 @@
 		goto out;
 	}
 #endif /* CONFIG_SYSFS */
-#if defined(CONFIG_CLEANCACHE) || defined(CONFIG_FRONTSWAP)
+
 	if (zcache_enabled) {
 		unsigned int cpu;
 
@@ -2056,7 +2046,7 @@
 		pr_err("zcache: can't create client\n");
 		goto out;
 	}
-#endif
+
 #ifdef CONFIG_CLEANCACHE
 	if (zcache_enabled && use_cleancache) {
 		struct cleancache_ops old_ops;
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 706cb62..653b0740 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -220,7 +220,8 @@
 		uncmem = user_mem;
 	clen = PAGE_SIZE;
 
-	cmem = zs_map_object(zram->mem_pool, zram->table[index].handle);
+	cmem = zs_map_object(zram->mem_pool, zram->table[index].handle,
+				ZS_MM_RO);
 
 	ret = lzo1x_decompress_safe(cmem, zram->table[index].size,
 				    uncmem, &clen);
@@ -258,7 +259,7 @@
 		return 0;
 	}
 
-	cmem = zs_map_object(zram->mem_pool, handle);
+	cmem = zs_map_object(zram->mem_pool, handle, ZS_MM_RO);
 	ret = lzo1x_decompress_safe(cmem, zram->table[index].size,
 				    mem, &clen);
 	zs_unmap_object(zram->mem_pool, handle);
@@ -351,7 +352,7 @@
 		ret = -ENOMEM;
 		goto out;
 	}
-	cmem = zs_map_object(zram->mem_pool, handle);
+	cmem = zs_map_object(zram->mem_pool, handle, ZS_MM_WO);
 
 	memcpy(cmem, src, clen);
 
diff --git a/drivers/staging/zsmalloc/Kconfig b/drivers/staging/zsmalloc/Kconfig
index a5ab720..9084565 100644
--- a/drivers/staging/zsmalloc/Kconfig
+++ b/drivers/staging/zsmalloc/Kconfig
@@ -1,9 +1,5 @@
 config ZSMALLOC
 	tristate "Memory allocator for compressed pages"
-	# X86 dependency is because of the use of __flush_tlb_one and set_pte
-	# in zsmalloc-main.c.
-	# TODO: convert these to portable functions
-	depends on X86
 	default n
 	help
 	  zsmalloc is a slab-based memory allocator designed to store
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index 10b0d60..8b0bcb6 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -470,6 +470,51 @@
 	return page;
 }
 
+static void zs_copy_map_object(char *buf, struct page *firstpage,
+				int off, int size)
+{
+	struct page *pages[2];
+	int sizes[2];
+	void *addr;
+
+	pages[0] = firstpage;
+	pages[1] = get_next_page(firstpage);
+	BUG_ON(!pages[1]);
+
+	sizes[0] = PAGE_SIZE - off;
+	sizes[1] = size - sizes[0];
+
+	/* copy object to per-cpu buffer */
+	addr = kmap_atomic(pages[0]);
+	memcpy(buf, addr + off, sizes[0]);
+	kunmap_atomic(addr);
+	addr = kmap_atomic(pages[1]);
+	memcpy(buf + sizes[0], addr, sizes[1]);
+	kunmap_atomic(addr);
+}
+
+static void zs_copy_unmap_object(char *buf, struct page *firstpage,
+				int off, int size)
+{
+	struct page *pages[2];
+	int sizes[2];
+	void *addr;
+
+	pages[0] = firstpage;
+	pages[1] = get_next_page(firstpage);
+	BUG_ON(!pages[1]);
+
+	sizes[0] = PAGE_SIZE - off;
+	sizes[1] = size - sizes[0];
+
+	/* copy per-cpu buffer to object */
+	addr = kmap_atomic(pages[0]);
+	memcpy(addr + off, buf, sizes[0]);
+	kunmap_atomic(addr);
+	addr = kmap_atomic(pages[1]);
+	memcpy(addr, buf + sizes[0], sizes[1]);
+	kunmap_atomic(addr);
+}
 
 static int zs_cpu_notifier(struct notifier_block *nb, unsigned long action,
 				void *pcpu)
@@ -480,18 +525,23 @@
 	switch (action) {
 	case CPU_UP_PREPARE:
 		area = &per_cpu(zs_map_area, cpu);
-		if (area->vm)
-			break;
-		area->vm = alloc_vm_area(2 * PAGE_SIZE, area->vm_ptes);
-		if (!area->vm)
-			return notifier_from_errno(-ENOMEM);
+		/*
+		 * Make sure we don't leak memory if a cpu UP notification
+		 * and zs_init() race and both call zs_cpu_up() on the same cpu
+		 */
+		if (area->vm_buf)
+			return 0;
+		area->vm_buf = (char *)__get_free_page(GFP_KERNEL);
+		if (!area->vm_buf)
+			return -ENOMEM;
+		return 0;
 		break;
 	case CPU_DEAD:
 	case CPU_UP_CANCELED:
 		area = &per_cpu(zs_map_area, cpu);
-		if (area->vm)
-			free_vm_area(area->vm);
-		area->vm = NULL;
+		if (area->vm_buf)
+			free_page((unsigned long)area->vm_buf);
+		area->vm_buf = NULL;
 		break;
 	}
 
@@ -691,9 +741,15 @@
  *
  * Before using an object allocated from zs_malloc, it must be mapped using
  * this function. When done with the object, it must be unmapped using
- * zs_unmap_object
+ * zs_unmap_object.
+ *
+ * Only one object can be mapped per cpu at a time. There is no protection
+ * against nested mappings.
+ *
+ * This function returns with preemption and page faults disabled.
 */
-void *zs_map_object(struct zs_pool *pool, unsigned long handle)
+void *zs_map_object(struct zs_pool *pool, unsigned long handle,
+			enum zs_mapmode mm)
 {
 	struct page *page;
 	unsigned long obj_idx, off;
@@ -714,22 +770,16 @@
 	if (off + class->size <= PAGE_SIZE) {
 		/* this object is contained entirely within a page */
 		area->vm_addr = kmap_atomic(page);
-	} else {
-		/* this object spans two pages */
-		struct page *nextp;
-
-		nextp = get_next_page(page);
-		BUG_ON(!nextp);
-
-
-		set_pte(area->vm_ptes[0], mk_pte(page, PAGE_KERNEL));
-		set_pte(area->vm_ptes[1], mk_pte(nextp, PAGE_KERNEL));
-
-		/* We pre-allocated VM area so mapping can never fail */
-		area->vm_addr = area->vm->addr;
+		return area->vm_addr + off;
 	}
 
-	return area->vm_addr + off;
+	/* disable page faults to match kmap_atomic() return conditions */
+	pagefault_disable();
+
+	if (mm != ZS_MM_WO)
+		zs_copy_map_object(area->vm_buf, page, off, class->size);
+	area->vm_addr = NULL;
+	return area->vm_buf;
 }
 EXPORT_SYMBOL_GPL(zs_map_object);
 
@@ -743,6 +793,17 @@
 	struct size_class *class;
 	struct mapping_area *area;
 
+	area = &__get_cpu_var(zs_map_area);
+	/* single-page object fastpath */
+	if (area->vm_addr) {
+		kunmap_atomic(area->vm_addr);
+		goto out;
+	}
+
+	/* no write fastpath */
+	if (area->vm_mm == ZS_MM_RO)
+		goto pfenable;
+
 	BUG_ON(!handle);
 
 	obj_handle_to_location(handle, &page, &obj_idx);
@@ -750,15 +811,12 @@
 	class = &pool->size_class[class_idx];
 	off = obj_idx_to_offset(page, obj_idx, class->size);
 
-	area = &__get_cpu_var(zs_map_area);
-	if (off + class->size <= PAGE_SIZE) {
-		kunmap_atomic(area->vm_addr);
-	} else {
-		set_pte(area->vm_ptes[0], __pte(0));
-		set_pte(area->vm_ptes[1], __pte(0));
-		__flush_tlb_one((unsigned long)area->vm_addr);
-		__flush_tlb_one((unsigned long)area->vm_addr + PAGE_SIZE);
-	}
+	zs_copy_unmap_object(area->vm_buf, page, off, class->size);
+
+pfenable:
+	/* enable page faults to match kunmap_atomic() return conditions */
+	pagefault_enable();
+out:
 	put_cpu_var(zs_map_area);
 }
 EXPORT_SYMBOL_GPL(zs_unmap_object);
diff --git a/drivers/staging/zsmalloc/zsmalloc.h b/drivers/staging/zsmalloc/zsmalloc.h
index 485cbb1..de2e8bf 100644
--- a/drivers/staging/zsmalloc/zsmalloc.h
+++ b/drivers/staging/zsmalloc/zsmalloc.h
@@ -15,6 +15,17 @@
 
 #include <linux/types.h>
 
+/*
+ * zsmalloc mapping modes
+ *
+ * NOTE: These only make a difference when a mapped object spans pages
+*/
+enum zs_mapmode {
+	ZS_MM_RW, /* normal read-write mapping */
+	ZS_MM_RO, /* read-only (no copy-out at unmap time) */
+	ZS_MM_WO /* write-only (no copy-in at map time) */
+};
+
 struct zs_pool;
 
 struct zs_pool *zs_create_pool(const char *name, gfp_t flags);
@@ -23,7 +34,8 @@
 unsigned long zs_malloc(struct zs_pool *pool, size_t size);
 void zs_free(struct zs_pool *pool, unsigned long obj);
 
-void *zs_map_object(struct zs_pool *pool, unsigned long handle);
+void *zs_map_object(struct zs_pool *pool, unsigned long handle,
+			enum zs_mapmode mm);
 void zs_unmap_object(struct zs_pool *pool, unsigned long handle);
 
 u64 zs_get_total_size_bytes(struct zs_pool *pool);
diff --git a/drivers/staging/zsmalloc/zsmalloc_int.h b/drivers/staging/zsmalloc/zsmalloc_int.h
index 6fd32a9..52805176 100644
--- a/drivers/staging/zsmalloc/zsmalloc_int.h
+++ b/drivers/staging/zsmalloc/zsmalloc_int.h
@@ -110,9 +110,9 @@
 static const int fullness_threshold_frac = 4;
 
 struct mapping_area {
-	struct vm_struct *vm;
-	pte_t *vm_ptes[2];
-	char *vm_addr;
+	char *vm_buf; /* copy buffer for objects that span pages */
+	char *vm_addr; /* address of kmap_atomic()'ed pages */
+	enum zs_mapmode vm_mm; /* mapping mode */
 };
 
 struct size_class {