Staging: rtl8192su: remove kernel version compatibility wrappers

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

15 files changed, 53 insertions, 920 deletions

diff --git a/drivers/staging/rtl8192su/ieee80211/dot11d.c b/drivers/staging/rtl8192su/ieee80211/dot11d.c
index e5f2dedc437..eebcb7f01c9 100644
--- a/drivers/staging/rtl8192su/ieee80211/dot11d.c
+++ b/drivers/staging/rtl8192su/ieee80211/dot11d.c
@@ -218,7 +218,7 @@ int ToLegalChannel(
 
 	return default_chn;
 }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+
 EXPORT_SYMBOL(Dot11d_Init);
 EXPORT_SYMBOL(Dot11d_Reset);
 EXPORT_SYMBOL(Dot11d_UpdateCountryIe);
@@ -226,14 +226,5 @@ EXPORT_SYMBOL(DOT11D_GetMaxTxPwrInDbm);
 EXPORT_SYMBOL(DOT11D_ScanComplete);
 EXPORT_SYMBOL(IsLegalChannel);
 EXPORT_SYMBOL(ToLegalChannel);
-#else
-EXPORT_SYMBOL_NOVERS(Dot11d_Init);
-EXPORT_SYMBOL_NOVERS(Dot11d_Reset);
-EXPORT_SYMBOL_NOVERS(Dot11d_UpdateCountryIe);
-EXPORT_SYMBOL_NOVERS(DOT11D_GetMaxTxPwrInDbm);
-EXPORT_SYMBOL_NOVERS(DOT11D_ScanComplete);
-EXPORT_SYMBOL_NOVERS(IsLegalChannel);
-EXPORT_SYMBOL_NOVERS(ToLegalChannel);
-#endif
 
 #endif
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211.h b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
index 5e3a2cbed2b..7d97300924a 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
@@ -27,12 +27,7 @@
 #include <linux/kernel.h>   /* ARRAY_SIZE */
 #include <linux/version.h>
 #include <linux/module.h>
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 #include <linux/jiffies.h>
-#else
-#include <linux/jffs.h>
-#include <linux/tqueue.h>
-#endif
 #include <linux/timer.h>
 #include <linux/sched.h>
 
@@ -43,12 +38,6 @@
 #include "rtl819x_BA.h"
 #include "rtl819x_TS.h"
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-#ifndef bool
-typedef enum{false = 0, true} bool;
-#endif
-#endif
-
 #ifndef IW_MODE_MONITOR
 #define IW_MODE_MONITOR 6
 #endif
@@ -57,25 +46,6 @@ typedef enum{false = 0, true} bool;
 #define IWEVCUSTOM 0x8c02
 #endif
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#ifndef __bitwise
-#define __bitwise __attribute__((bitwise))
-#endif
-typedef __u16  __le16;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,27))
-struct iw_spy_data{
-	/* --- Standard spy support --- */
-	int 			spy_number;
-	u_char 			spy_address[IW_MAX_SPY][ETH_ALEN];
-	struct iw_quality	spy_stat[IW_MAX_SPY];
-	/* --- Enhanced spy support (event) */
-	struct iw_quality	spy_thr_low; /* Low threshold */
-	struct iw_quality	spy_thr_high; /* High threshold */
-	u_char			spy_thr_under[IW_MAX_SPY];
-};
-#endif
-#endif
-
 #ifndef container_of
 /**
  * container_of - cast a member of a structure out to the containing structure
@@ -456,46 +426,8 @@ typedef struct ieee_param {
 #define IW_QUAL_NOISE_UPDATED  0x4
 #endif
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-static inline void tq_init(struct tq_struct * task, void(*func)(void *), void *data)
-{
-	task->routine = func;
-	task->data 	= data;
-	//task->next = NULL;
-	INIT_LIST_HEAD(&task->list);
-	task->sync = 0;
-}
-#endif
-
-// linux under 2.6.9 release may not support it, so modify it for common use
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9))
-//#define MSECS(t)	(1000 * ((t) / HZ) + 1000 * ((t) % HZ) / HZ)
-#define MSECS(t)	(HZ * ((t) / 1000) + (HZ * ((t) % 1000)) / 1000)
-static inline unsigned long msleep_interruptible_rsl(unsigned int msecs)
-{
-         unsigned long timeout = MSECS(msecs) + 1;
-
-         while (timeout) {
-                 set_current_state(TASK_INTERRUPTIBLE);
-                 timeout = schedule_timeout(timeout);
-         }
-         return timeout;
-}
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,31))
-static inline void msleep(unsigned int msecs)
-{
-         unsigned long timeout = MSECS(msecs) + 1;
-
-         while (timeout) {
-                 set_current_state(TASK_UNINTERRUPTIBLE);
-                 timeout = schedule_timeout(timeout);
-         }
-}
-#endif
-#else
 #define MSECS(t) msecs_to_jiffies(t)
 #define msleep_interruptible_rsl  msleep_interruptible
-#endif
 
 #define IEEE80211_DATA_LEN		2304
 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
@@ -1787,21 +1719,6 @@ enum ieee80211_state {
 #define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
                                   IEEE80211_52GHZ_MIN_CHANNEL + 1)
 
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11))
-extern inline int is_multicast_ether_addr(const u8 *addr)
-{
-        return ((addr[0] != 0xff) && (0x01 & addr[0]));
-}
-#endif
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13))
-extern inline int is_broadcast_ether_addr(const u8 *addr)
-{
-	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
-		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
-}
-#endif
-
 typedef struct tx_pending_t{
 	int frag;
 	struct ieee80211_txb *txb;
@@ -1879,11 +1796,7 @@ typedef struct _RT_POWER_SAVE_CONTROL
 	bool				bHaltAdapterClkRQ;
 	bool				bSwRfProcessing;
 	RT_RF_POWER_STATE	eInactivePowerState;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	struct work_struct 	InactivePsWorkItem;
-#else
-	struct tq_struct	InactivePsWorkItem;
-#endif
 	struct timer_list	InactivePsTimer;
 
 	// Return point for join action
@@ -2290,41 +2203,17 @@ struct ieee80211_device {
 
 	/* used if IEEE_SOFTMAC_BEACONS is set */
 	struct timer_list beacon_timer;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
         struct work_struct associate_complete_wq;
         struct work_struct associate_procedure_wq;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
         struct delayed_work softmac_scan_wq;
         struct delayed_work associate_retry_wq;
 	 struct delayed_work start_ibss_wq;
 	 struct delayed_work hw_wakeup_wq;
 	struct delayed_work hw_sleep_wq;
 	struct delayed_work link_change_wq;
-#else
-        struct work_struct softmac_scan_wq;
-        struct work_struct associate_retry_wq;
-	struct work_struct start_ibss_wq;
-	struct work_struct hw_wakeup_wq;
-	struct work_struct hw_sleep_wq;
-	struct work_struct link_change_wq;
-#endif
         struct work_struct wx_sync_scan_wq;
         struct workqueue_struct *wq;
-#else
-	/* used for periodly scan */
-	struct timer_list scan_timer;
-
-	struct tq_struct associate_complete_wq;
-	struct tq_struct associate_retry_wq;
-	struct tq_struct start_ibss_wq;
-	struct tq_struct associate_procedure_wq;
-	struct tq_struct softmac_scan_wq;
-	struct tq_struct wx_sync_scan_wq;
-	struct tq_struct hw_wakeup_wq;
-	struct tq_struct hw_sleep_wq;
-	struct tq_struct link_change_wq;
 
-#endif
         // Qos related. Added by Annie, 2005-11-01.
         //STA_QOS  StaQos;
 
@@ -2512,11 +2401,7 @@ struct ieee80211_device {
 
 static inline void *ieee80211_priv(struct net_device *dev)
 {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	return ((struct ieee80211_device *)netdev_priv(dev))->priv;
-#else
-	return ((struct ieee80211_device *)dev->priv)->priv;
-#endif
 }
 
 extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
@@ -2769,12 +2654,7 @@ extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_reques
 			     union iwreq_data *wrqu, char *b);
 
 //extern void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 extern void ieee80211_wx_sync_scan_wq(struct work_struct *work);
-#else
- extern void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee);
-#endif
-
 
 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
 			       struct iw_request_info *info,
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
index 199ee1695ad..14ffd76e0d7 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
@@ -55,11 +55,7 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
 
 		if (entry->ops) {
 			entry->ops->deinit(entry->priv);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 			module_put(entry->ops->owner);
-#else
-			__MOD_DEC_USE_COUNT(entry->ops->owner);
-#endif
 		}
 		kfree(entry);
 	}
@@ -251,7 +247,6 @@ static void __exit ieee80211_crypto_deinit(void)
 	kfree(hcrypt);
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_crypt_deinit_entries);
 EXPORT_SYMBOL(ieee80211_crypt_deinit_handler);
 EXPORT_SYMBOL(ieee80211_crypt_delayed_deinit);
@@ -259,15 +254,6 @@ EXPORT_SYMBOL(ieee80211_crypt_delayed_deinit);
 EXPORT_SYMBOL(ieee80211_register_crypto_ops);
 EXPORT_SYMBOL(ieee80211_unregister_crypto_ops);
 EXPORT_SYMBOL(ieee80211_get_crypto_ops);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_crypt_deinit_entries);
-EXPORT_SYMBOL_NOVERS(ieee80211_crypt_deinit_handler);
-EXPORT_SYMBOL_NOVERS(ieee80211_crypt_delayed_deinit);
-
-EXPORT_SYMBOL_NOVERS(ieee80211_register_crypto_ops);
-EXPORT_SYMBOL_NOVERS(ieee80211_unregister_crypto_ops);
-EXPORT_SYMBOL_NOVERS(ieee80211_get_crypto_ops);
-#endif
 
 module_init(ieee80211_crypto_init);
 module_exit(ieee80211_crypto_deinit);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h
index a84df4b7648..b58a3bcc0dc 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h
@@ -82,12 +82,5 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int);
 void ieee80211_crypt_deinit_handler(unsigned long);
 void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee,
 				    struct ieee80211_crypt_data **crypt);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
-#endif
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,31))
-#define crypto_alloc_tfm crypto_alloc_tfm_rsl
-#define crypto_free_tfm crypto_free_tfm_rsl
-#endif
 
 #endif
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
index a86c26eceb3..e9225fef427 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
@@ -24,18 +24,8 @@
 
 #include "ieee80211.h"
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
-    #include <linux/scatterlist.h>
-#endif
-//#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 
 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Host AP crypt: CCMP");
@@ -75,21 +65,7 @@ struct ieee80211_ccmp_data {
 void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm,
 			     const u8 pt[16], u8 ct[16])
 {
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	struct scatterlist src, dst;
-
-	src.page = virt_to_page(pt);
-	src.offset = offset_in_page(pt);
-	src.length = AES_BLOCK_LEN;
-
-	dst.page = virt_to_page(ct);
-	dst.offset = offset_in_page(ct);
-	dst.length = AES_BLOCK_LEN;
-
-	crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN);
-#else
 	crypto_cipher_encrypt_one((void*)tfm, ct, pt);
-#endif
 }
 
 static void * ieee80211_ccmp_init(int key_idx)
@@ -102,32 +78,20 @@ static void * ieee80211_ccmp_init(int key_idx)
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	priv->tfm = crypto_alloc_tfm("aes", 0);
-	if (priv->tfm == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate "
-		       "crypto API aes\n");
-		goto fail;
-	}
-       #else
-       priv->tfm = (void*)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
+	priv->tfm = (void *)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tfm)) {
 		printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate "
 		       "crypto API aes\n");
 		priv->tfm = NULL;
 		goto fail;
 	}
-	#endif
+
 	return priv;
 
 fail:
 	if (priv) {
 		if (priv->tfm)
-			#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-			crypto_free_tfm(priv->tfm);
-                    #else
 			crypto_free_cipher((void*)priv->tfm);
-		      #endif
 		kfree(priv);
 	}
 
@@ -138,12 +102,9 @@ fail:
 static void ieee80211_ccmp_deinit(void *priv)
 {
 	struct ieee80211_ccmp_data *_priv = priv;
+
 	if (_priv && _priv->tfm)
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-		crypto_free_tfm(_priv->tfm);
-#else
 		crypto_free_cipher((void*)_priv->tfm);
-#endif
 	kfree(priv);
 }
 
@@ -524,11 +485,7 @@ static void __exit ieee80211_crypto_ccmp_exit(void)
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp);
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_ccmp_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_ccmp_null);
-#endif
 
 module_init(ieee80211_crypto_ccmp_init);
 module_exit(ieee80211_crypto_ccmp_exit);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
index b031b649524..6662d55d221 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
@@ -22,23 +22,9 @@
 #include <asm/string.h>
 
 #include "ieee80211.h"
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
-//#include "crypto_compat.h"
-#endif
-
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-//#include <asm/scatterlist.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
-        #include <linux/scatterlist.h>
-#endif
-
+#include <linux/scatterlist.h>
 #include <linux/crc32.h>
 
 MODULE_AUTHOR("Jouni Malinen");
@@ -71,17 +57,12 @@ struct ieee80211_tkip_data {
 	u32 dot11RSNAStatsTKIPLocalMICFailures;
 
 	int key_idx;
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
+
 	struct crypto_blkcipher *rx_tfm_arc4;
 	struct crypto_hash *rx_tfm_michael;
 	struct crypto_blkcipher *tx_tfm_arc4;
 	struct crypto_hash *tx_tfm_michael;
-#else
-	struct crypto_tfm *tx_tfm_arc4;
-	struct crypto_tfm *tx_tfm_michael;
-	struct crypto_tfm *rx_tfm_arc4;
-	struct crypto_tfm *rx_tfm_michael;
-#endif
+
 	/* scratch buffers for virt_to_page() (crypto API) */
 	u8 rx_hdr[16], tx_hdr[16];
 };
@@ -95,35 +76,7 @@ static void * ieee80211_tkip_init(int key_idx)
 		goto fail;
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	priv->tx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
-	if (priv->tx_tfm_arc4 == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API arc4\n");
-		goto fail;
-	}
 
-	priv->tx_tfm_michael = crypto_alloc_tfm("michael_mic", 0);
-	if (priv->tx_tfm_michael == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API michael_mic\n");
-		goto fail;
-	}
-
-	priv->rx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
-	if (priv->rx_tfm_arc4 == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API arc4\n");
-		goto fail;
-	}
-
-	priv->rx_tfm_michael = crypto_alloc_tfm("michael_mic", 0);
-	if (priv->rx_tfm_michael == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-				"crypto API michael_mic\n");
-		goto fail;
-	}
-#else
 	priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
 			CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tx_tfm_arc4)) {
@@ -159,22 +112,11 @@ static void * ieee80211_tkip_init(int key_idx)
 		priv->rx_tfm_michael = NULL;
 		goto fail;
 	}
-#endif
+
 	return priv;
 
 fail:
 	if (priv) {
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		if (priv->tx_tfm_michael)
-			crypto_free_tfm(priv->tx_tfm_michael);
-		if (priv->tx_tfm_arc4)
-			crypto_free_tfm(priv->tx_tfm_arc4);
-		if (priv->rx_tfm_michael)
-			crypto_free_tfm(priv->rx_tfm_michael);
-		if (priv->rx_tfm_arc4)
-			crypto_free_tfm(priv->rx_tfm_arc4);
-
-#else
 		if (priv->tx_tfm_michael)
 			crypto_free_hash(priv->tx_tfm_michael);
 		if (priv->tx_tfm_arc4)
@@ -183,7 +125,6 @@ fail:
 			crypto_free_hash(priv->rx_tfm_michael);
 		if (priv->rx_tfm_arc4)
 			crypto_free_blkcipher(priv->rx_tfm_arc4);
-#endif
 		kfree(priv);
 	}
 
@@ -194,16 +135,7 @@ fail:
 static void ieee80211_tkip_deinit(void *priv)
 {
 	struct ieee80211_tkip_data *_priv = priv;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (_priv->tx_tfm_michael)
-		crypto_free_tfm(_priv->tx_tfm_michael);
-	if (_priv->tx_tfm_arc4)
-		crypto_free_tfm(_priv->tx_tfm_arc4);
-	if (_priv->rx_tfm_michael)
-		crypto_free_tfm(_priv->rx_tfm_michael);
-	if (_priv->rx_tfm_arc4)
-		crypto_free_tfm(_priv->rx_tfm_arc4);
-#else
+
 	if (_priv) {
 		if (_priv->tx_tfm_michael)
 			crypto_free_hash(_priv->tx_tfm_michael);
@@ -214,7 +146,6 @@ static void ieee80211_tkip_deinit(void *priv)
 		if (_priv->rx_tfm_arc4)
 			crypto_free_blkcipher(_priv->rx_tfm_arc4);
 	}
-#endif
 	kfree(priv);
 }
 
@@ -384,11 +315,8 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 *pos;
 	struct ieee80211_hdr_4addr *hdr;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
-	struct blkcipher_desc desc = {.tfm = tkey->tx_tfm_arc4};
+	struct blkcipher_desc desc = { .tfm = tkey->tx_tfm_arc4 };
 	int ret = 0;
-	#endif
 	u8 rc4key[16],  *icv;
 	u32 crc;
 	struct scatterlist sg;
@@ -451,33 +379,14 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 	if (!tcb_desc->bHwSec)
 	{
 		icv = skb_put(skb, 4);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 		crc = ~crc32_le(~0, pos, len);
-#else
-		crc = ~ether_crc_le(len, pos);
-#endif
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
 		icv[3] = crc >> 24;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-		crypto_cipher_encrypt(tkey->tx_tfm_arc4, &sg, &sg, len + 4);
-#else
 		crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-#else
-		sg_init_one(&sg, pos, len+4);
-#endif
+		sg_init_one(&sg, pos, len + 4);
 		ret= crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
-#endif
-
 	}
 
 	tkey->tx_iv16++;
@@ -487,11 +396,7 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 	}
 
 	if (!tcb_desc->bHwSec)
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		return 0;
-	#else
 		return ret;
-	#endif
 	else
         	return 0;
 
@@ -506,9 +411,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u16 iv16;
 	struct ieee80211_hdr_4addr *hdr;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
-	struct blkcipher_desc desc = {.tfm = tkey->rx_tfm_arc4};
-	#endif
+	struct blkcipher_desc desc = { .tfm = tkey->rx_tfm_arc4 };
 	u8 rc4key[16];
 	u8 icv[4];
 	u32 crc;
@@ -567,21 +470,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 		plen = skb->len - hdr_len - 12;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-		crypto_cipher_decrypt(tkey->rx_tfm_arc4, &sg, &sg, plen + 4);
-#else
 		crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-#else
-		sg_init_one(&sg, pos, plen+4);
-#endif
+		sg_init_one(&sg, pos, plen + 4);
+
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG ": TKIP: failed to decrypt "
@@ -590,13 +481,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 			}
 			return -7;
 		}
-#endif
 
-	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 		crc = ~crc32_le(~0, pos, plen);
-	#else
-		crc = ~ether_crc_le(plen, pos);
-	#endif
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
@@ -643,48 +529,6 @@ if( ((u16*)skb->data)[0] & 0x4000){
 	return keyidx;
 }
 
-
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-static int michael_mic(struct crypto_tfm * tfm_michael, u8 *key, u8 *hdr,
-		       u8 *data, size_t data_len, u8 *mic)
-{
-	struct scatterlist sg[2];
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
-        struct hash_desc desc;
-        int ret = 0;
-#endif
-
-	if (tfm_michael == NULL){
-		printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
-		return -1;
-	}
-	sg[0].page = virt_to_page(hdr);
-	sg[0].offset = offset_in_page(hdr);
-	sg[0].length = 16;
-
-	sg[1].page = virt_to_page(data);
-	sg[1].offset = offset_in_page(data);
-	sg[1].length = data_len;
-
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-	crypto_digest_init(tfm_michael);
-        crypto_digest_setkey(tfm_michael, key, 8);
-        crypto_digest_update(tfm_michael, sg, 2);
-        crypto_digest_final(tfm_michael, mic);
-        return 0;
-#else
-if (crypto_hash_setkey(tkey->tfm_michael, key, 8))
-                return -1;
-
-//      return 0;
-              desc.tfm = tkey->tfm_michael;
-              desc.flags = 0;
-              ret = crypto_hash_digest(&desc, sg, data_len + 16, mic);
-              return ret;
-#endif
-}
-#else
 static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
                        u8 * data, size_t data_len, u8 * mic)
 {
@@ -695,19 +539,10 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
                 printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n");
                 return -1;
         }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-        sg[0].page = virt_to_page(hdr);
-        sg[0].offset = offset_in_page(hdr);
-        sg[0].length = 16;
-
-        sg[1].page = virt_to_page(data);
-        sg[1].offset = offset_in_page(data);
-        sg[1].length = data_len;
-#else
-        sg_init_table(sg, 2);
-        sg_set_buf(&sg[0], hdr, 16);
-        sg_set_buf(&sg[1], data, data_len);
-#endif
+
+	sg_init_table(sg, 2);
+	sg_set_buf(&sg[0], hdr, 16);
+	sg_set_buf(&sg[1], data, data_len);
 
         if (crypto_hash_setkey(tfm_michael, key, 8))
                 return -1;
@@ -716,9 +551,6 @@ static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
         desc.flags = 0;
         return crypto_hash_digest(&desc, sg, data_len + 16, mic);
 }
-#endif
-
-
 
 static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr)
 {
@@ -775,13 +607,9 @@ static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *pri
 	}
 	// }
 	pos = skb_put(skb, 8);
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,
-				skb->data + hdr_len, skb->len - 8 - hdr_len, pos))
-#else
+
 	if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,
-				skb->data + hdr_len, skb->len - 8 - hdr_len, pos))
-#endif
+			skb->data + hdr_len, skb->len - 8 - hdr_len, pos))
 		return -1;
 
 	return 0;
@@ -853,13 +681,8 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 	}
 	// }
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
 	if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,
-				skb->data + hdr_len, skb->len - 8 - hdr_len, mic))
-#else
-	if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,
-				skb->data + hdr_len, skb->len - 8 - hdr_len, mic))
-#endif
+			skb->data + hdr_len, skb->len - 8 - hdr_len, mic))
             	return -1;
 	if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) {
 		struct ieee80211_hdr_4addr *hdr;
@@ -889,32 +712,18 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv)
 {
 	struct ieee80211_tkip_data *tkey = priv;
 	int keyidx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	struct crypto_tfm *tfm = tkey->tx_tfm_michael;
-	struct crypto_tfm *tfm2 = tkey->tx_tfm_arc4;
-	struct crypto_tfm *tfm3 = tkey->rx_tfm_michael;
-	struct crypto_tfm *tfm4 = tkey->rx_tfm_arc4;
-#else
 	struct crypto_hash *tfm = tkey->tx_tfm_michael;
 	struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4;
 	struct crypto_hash *tfm3 = tkey->rx_tfm_michael;
 	struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4;
-#endif
 
 	keyidx = tkey->key_idx;
 	memset(tkey, 0, sizeof(*tkey));
 	tkey->key_idx = keyidx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
 	tkey->tx_tfm_michael = tfm;
 	tkey->tx_tfm_arc4 = tfm2;
 	tkey->rx_tfm_michael = tfm3;
 	tkey->rx_tfm_arc4 = tfm4;
-#else
-	tkey->tx_tfm_michael = tfm;
-	tkey->tx_tfm_arc4 = tfm2;
-	tkey->rx_tfm_michael = tfm3;
-	tkey->rx_tfm_arc4 = tfm4;
-#endif
 
 	if (len == TKIP_KEY_LEN) {
 		memcpy(tkey->key, key, TKIP_KEY_LEN);
@@ -1024,11 +833,7 @@ void ieee80211_tkip_null(void)
 //    printk("============>%s()\n", __FUNCTION__);
         return;
 }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_tkip_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_tkip_null);
-#endif
 
 module_init(ieee80211_crypto_tkip_init);
 module_exit(ieee80211_crypto_tkip_exit);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c
index 7e394328ec9..df07212bd17 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_wep.c
@@ -20,35 +20,10 @@
 
 #include "ieee80211.h"
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,20))
-//#include "crypto_compat.h"
-#endif
-
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
 #include <linux/crypto.h>
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-    #include <asm/scatterlist.h>
-#else
-    #include <linux/scatterlist.h>
-#endif
-//#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <linux/crc32.h>
-//
-/*
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include "rtl_crypto.h"
-#else
-#include <linux/crypto.h>
-#endif
 
-#include <asm/scatterlist.h>
-#include <linux/crc32.h>
-*/
 MODULE_AUTHOR("Jouni Malinen");
 MODULE_DESCRIPTION("Host AP crypt: WEP");
 MODULE_LICENSE("GPL");
@@ -62,12 +37,8 @@ struct prism2_wep_data {
 	u8 key[WEP_KEY_LEN + 1];
 	u8 key_len;
 	u8 key_idx;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	struct crypto_tfm *tfm;
-	#else
-        struct crypto_blkcipher *tx_tfm;
-        struct crypto_blkcipher *rx_tfm;
-        #endif
+	struct crypto_blkcipher *tx_tfm;
+	struct crypto_blkcipher *rx_tfm;
 };
 
 
@@ -81,14 +52,6 @@ static void * prism2_wep_init(int keyidx)
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	priv->tfm = crypto_alloc_tfm("arc4", 0);
-	if (priv->tfm == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
-		       "crypto API arc4\n");
-		goto fail;
-	}
-	#else
 	priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
         if (IS_ERR(priv->tx_tfm)) {
                 printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
@@ -103,7 +66,6 @@ static void * prism2_wep_init(int keyidx)
                 priv->rx_tfm = NULL;
                 goto fail;
         }
-        #endif
 
 	/* start WEP IV from a random value */
 	get_random_bytes(&priv->iv, 4);
@@ -111,13 +73,6 @@ static void * prism2_wep_init(int keyidx)
 	return priv;
 
 fail:
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (priv) {
-		if (priv->tfm)
-			crypto_free_tfm(priv->tfm);
-		kfree(priv);
-	}
-	#else
 	if (priv) {
                 if (priv->tx_tfm)
                         crypto_free_blkcipher(priv->tx_tfm);
@@ -125,7 +80,7 @@ fail:
                         crypto_free_blkcipher(priv->rx_tfm);
                 kfree(priv);
         }
-        #endif
+
 	return NULL;
 }
 
@@ -133,17 +88,13 @@ fail:
 static void prism2_wep_deinit(void *priv)
 {
 	struct prism2_wep_data *_priv = priv;
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-	if (_priv && _priv->tfm)
-		crypto_free_tfm(_priv->tfm);
-	#else
+
 	if (_priv) {
                 if (_priv->tx_tfm)
                         crypto_free_blkcipher(_priv->tx_tfm);
                 if (_priv->rx_tfm)
                         crypto_free_blkcipher(_priv->rx_tfm);
         }
-        #endif
 	kfree(priv);
 }
 
@@ -160,9 +111,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 key[WEP_KEY_LEN + 3];
 	u8 *pos;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
-	struct blkcipher_desc desc = {.tfm = wep->tx_tfm};
-	#endif
+	struct blkcipher_desc desc = { .tfm = wep->tx_tfm };
 	u32 crc;
 	u8 *icv;
 	struct scatterlist sg;
@@ -201,35 +150,17 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	{
 
 		/* Append little-endian CRC32 and encrypt it to produce ICV */
-	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 		crc = ~crc32_le(~0, pos, len);
-	#else
-		crc = ~ether_crc_le(len, pos);
-	#endif
 		icv = skb_put(skb, 4);
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
 		icv[3] = crc >> 24;
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(wep->tfm, key, klen);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-		crypto_cipher_encrypt(wep->tfm, &sg, &sg, len + 4);
-		return 0;
-	#else
 		crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
-	#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = len + 4;
-	#else
 		sg_init_one(&sg, pos, len+4);
-	#endif
+
 		return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
-	#endif
 	}
 
 	return 0;
@@ -250,9 +181,7 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	u8 key[WEP_KEY_LEN + 3];
 	u8 keyidx, *pos;
 	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) || (OPENSUSE_SLED))
-	struct blkcipher_desc desc = {.tfm = wep->rx_tfm};
-	#endif
+	struct blkcipher_desc desc = { .tfm = wep->rx_tfm };
 	u32 crc;
 	u8 icv[4];
 	struct scatterlist sg;
@@ -277,29 +206,13 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (!tcb_desc->bHwSec)
 	{
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!OPENSUSE_SLED))
-		crypto_cipher_setkey(wep->tfm, key, klen);
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-		crypto_cipher_decrypt(wep->tfm, &sg, &sg, plen + 4);
-	#else
 		crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
-	#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		sg.page = virt_to_page(pos);
-		sg.offset = offset_in_page(pos);
-		sg.length = plen + 4;
-	#else
-		sg_init_one(&sg, pos, plen+4);
-	#endif
+		sg_init_one(&sg, pos, plen + 4);
+
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
 			return -7;
-	#endif
-	#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+
 		crc = ~crc32_le(~0, pos, plen);
-	#else
-		crc = ~ether_crc_le(plen, pos);
-	#endif
 		icv[0] = crc;
 		icv[1] = crc >> 8;
 		icv[2] = crc >> 16;
@@ -387,11 +300,7 @@ void ieee80211_wep_null(void)
 //	printk("============>%s()\n", __FUNCTION__);
         return;
 }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_wep_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_wep_null);
-#endif
 
 module_init(ieee80211_crypto_wep_init);
 module_exit(ieee80211_crypto_wep_exit);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
index 759032db4a3..b85ffa0e83c 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
@@ -113,12 +113,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 		goto failed;
 	}
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	ieee = netdev_priv(dev);
-#else
-	ieee = (struct ieee80211_device *)dev->priv;
-#endif
-
 	memset(ieee, 0, sizeof(struct ieee80211_device)+sizeof_priv);
 	ieee->dev = dev;
 
@@ -166,12 +161,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
 	ieee80211_softmac_init(ieee);
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
 	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
-#else
-	ieee->pHTInfo = (RT_HIGH_THROUGHPUT*)kmalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
-	memset(ieee->pHTInfo,0,sizeof(RT_HIGH_THROUGHPUT));
-#endif
 	if (ieee->pHTInfo == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
@@ -181,11 +171,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 	HTInitializeHTInfo(ieee); //may move to other place.
 	TSInitialize(ieee);
 #if 0
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
  	INIT_WORK(&ieee->ht_onAssRsp, (void(*)(void*)) HTOnAssocRsp_wq);
-#else
-	INIT_WORK(&ieee->ht_onAssRsp, (void(*)(void*)) HTOnAssocRsp_wq, ieee);
-#endif
 #endif
 	for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++)
 		INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]);
@@ -205,22 +191,15 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
 
  failed:
 	if (dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 		free_netdev(dev);
-#else
-		kfree(dev);
-#endif
+
 	return NULL;
 }
 
 
 void free_ieee80211(struct net_device *dev)
 {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	struct ieee80211_device *ieee = netdev_priv(dev);
-#else
-	struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv;
-#endif
 	int i;
 	//struct list_head *p, *q;
 //	del_timer_sync(&ieee->SwBwTimer);
@@ -241,11 +220,7 @@ void free_ieee80211(struct net_device *dev)
 		if (crypt) {
 			if (crypt->ops) {
 				crypt->ops->deinit(crypt->priv);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 				module_put(crypt->ops->owner);
-#else
-				__MOD_DEC_USE_COUNT(crypt->ops->owner);
-#endif
 			}
 			kfree(crypt);
 			ieee->crypt[i] = NULL;
@@ -262,11 +237,7 @@ void free_ieee80211(struct net_device *dev)
 	}
 
 #endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	free_netdev(dev);
-#else
-	kfree(dev);
-#endif
 }
 
 #ifdef CONFIG_IEEE80211_DEBUG
@@ -332,11 +303,8 @@ static int __init ieee80211_init(void)
 	struct proc_dir_entry *e;
 
 	ieee80211_debug_level = debug;
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-	ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, proc_net);
-#else
+
 	ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, init_net.proc_net);
-#endif
 	if (ieee80211_proc == NULL) {
 		IEEE80211_ERROR("Unable to create " DRV_NAME
 				" proc directory\n");
@@ -345,11 +313,7 @@ static int __init ieee80211_init(void)
 	e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
 			      ieee80211_proc);
 	if (!e) {
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		remove_proc_entry(DRV_NAME, proc_net);
-#else
 		remove_proc_entry(DRV_NAME, init_net.proc_net);
-#endif
 		ieee80211_proc = NULL;
 		return -EIO;
 	}
@@ -364,16 +328,11 @@ static void __exit ieee80211_exit(void)
 {
 	if (ieee80211_proc) {
 		remove_proc_entry("debug_level", ieee80211_proc);
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
-		remove_proc_entry(DRV_NAME, proc_net);
-#else
 		remove_proc_entry(DRV_NAME, init_net.proc_net);
-#endif
 		ieee80211_proc = NULL;
 	}
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 #include <linux/moduleparam.h>
 module_param(debug, int, 0444);
 MODULE_PARM_DESC(debug, "debug output mask");
@@ -382,12 +341,6 @@ MODULE_PARM_DESC(debug, "debug output mask");
 module_exit(ieee80211_exit);
 module_init(ieee80211_init);
 #endif
-#endif
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(alloc_ieee80211);
 EXPORT_SYMBOL(free_ieee80211);
-#else
-EXPORT_SYMBOL_NOVERS(alloc_ieee80211);
-EXPORT_SYMBOL_NOVERS(free_ieee80211);
-#endif
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
index 2b2ffd34bc9..bbc9759e2c3 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
@@ -55,11 +55,7 @@ static inline void ieee80211_monitor_rx(struct ieee80211_device *ieee,
 	u16 fc = le16_to_cpu(hdr->frame_ctl);
 
 	skb->dev = ieee->dev;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
         skb_reset_mac_header(skb);
-#else
-        skb->mac.raw = skb->data;
-#endif
 
 	skb_pull(skb, ieee80211_get_hdrlen(fc));
 	skb->pkt_type = PACKET_OTHERHOST;
@@ -2823,10 +2819,5 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 	}
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_rx_mgt);
 EXPORT_SYMBOL(ieee80211_rx);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_rx_mgt);
-EXPORT_SYMBOL_NOVERS(ieee80211_rx);
-#endif
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
index 6773e84c778..e25247e8ea5 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -512,34 +512,10 @@ out:
 }
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-/* called both by wq with ieee->lock held */
-void ieee80211_softmac_scan(struct ieee80211_device *ieee)
-{
-#if 0
-	short watchdog = 0;
-	do{
-		ieee->current_network.channel =
-			(ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER;
-		if (watchdog++ > MAX_CHANNEL_NUMBER)
-				return; /* no good chans */
-
-	}while(!ieee->channel_map[ieee->current_network.channel]);
-#endif
-
-	schedule_task(&ieee->softmac_scan_wq);
-}
-#endif
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void ieee80211_softmac_scan_wq(struct work_struct *work)
 {
         struct delayed_work *dwork = container_of(work, struct delayed_work, work);
         struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq);
-#else
-void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee)
-{
-#endif
 	u8 last_channel = ieee->current_network.channel; //recored init channel inorder not change current channel when comming out the scan unexpectedly. WB.
 #ifdef ENABLE_DOT11D
 	u8 channel_map[MAX_CHANNEL_NUMBER+1];
@@ -575,14 +551,7 @@ void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee)
 #endif
 	ieee80211_send_probe_requests(ieee);
 
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
-#else
-	//ieee->scan_timer.expires = jiffies + MSECS(IEEE80211_SOFTMAC_SCAN_TIME);
-	if (ieee->scanning == 1)
-		mod_timer(&ieee->scan_timer,(jiffies + MSECS(IEEE80211_SOFTMAC_SCAN_TIME)));
-#endif
 
 	up(&ieee->scan_sem);
 	return;
@@ -598,19 +567,6 @@ out:
 	up(&ieee->scan_sem);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-void ieee80211_softmac_scan_cb(unsigned long _dev)
-{
-	unsigned long flags;
-	struct ieee80211_device *ieee = (struct ieee80211_device *)_dev;
-
-	spin_lock_irqsave(&ieee->lock, flags);
-	ieee80211_softmac_scan(ieee);
-	spin_unlock_irqrestore(&ieee->lock, flags);
-}
-#endif
-
-
 void ieee80211_beacons_start(struct ieee80211_device *ieee)
 {
 	unsigned long flags;
@@ -666,11 +622,7 @@ void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
 	if (ieee->scanning == 1){
 		ieee->scanning = 0;
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 		cancel_delayed_work(&ieee->softmac_scan_wq);
-#else
-		del_timer_sync(&ieee->scan_timer);
-#endif
 	}
 
 //	spin_unlock_irqrestore(&ieee->lock, flags);
@@ -700,16 +652,7 @@ void ieee80211_start_scan(struct ieee80211_device *ieee)
 	if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){
 		if (ieee->scanning == 0){
 			ieee->scanning = 1;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 			queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, 0);
-#else
-
-			queue_work(ieee->wq, &ieee->softmac_scan_wq);
-#endif
-#else
-			ieee80211_softmac_scan(ieee);
-#endif
 		}
 	}else
 		ieee->start_scan(ieee->dev);
@@ -1390,12 +1333,8 @@ void ieee80211_associate_abort(struct ieee80211_device *ieee)
 
 	ieee->state = IEEE80211_ASSOCIATING_RETRY;
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	queue_delayed_work(ieee->wq, &ieee->associate_retry_wq, \
                            IEEE80211_SOFTMAC_ASSOC_RETRY_TIME);
-#else
-	schedule_task(&ieee->associate_retry_wq);
-#endif
 
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
@@ -1489,14 +1428,11 @@ void ieee80211_associate_step2(struct ieee80211_device *ieee)
 		//dev_kfree_skb_any(skb);//edit by thomas
 	}
 }
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
+
 void ieee80211_associate_complete_wq(struct work_struct *work)
 {
         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq);
-#else
-void ieee80211_associate_complete_wq(struct ieee80211_device *ieee)
-{
-#endif
+
 	printk(KERN_INFO "Associated successfully\n");
 	ieee->is_roaming = false;
 	if(ieee80211_is_54g(ieee->current_network) &&
@@ -1568,21 +1504,13 @@ void ieee80211_associate_complete(struct ieee80211_device *ieee)
 	}
 #endif
 	//ieee->UpdateHalRATRTableHandler(dev, ieee->dot11HTOperationalRateSet);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	queue_work(ieee->wq, &ieee->associate_complete_wq);
-#else
-	schedule_task(&ieee->associate_complete_wq);
-#endif
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void ieee80211_associate_procedure_wq(struct work_struct *work)
 {
         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq);
-#else
-void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee)
-{
-#endif
+
 	ieee->sync_scan_hurryup = 1;
 	down(&ieee->wx_sem);
 
@@ -1682,11 +1610,7 @@ inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee
 					ieee->state = IEEE80211_ASSOCIATING;
 					if(ieee->LedControlHandler != NULL)
 					        ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 					queue_work(ieee->wq, &ieee->associate_procedure_wq);
-#else
-					schedule_task(&ieee->associate_procedure_wq);
-#endif
 				}else{
 					if(ieee80211_is_54g(ieee->current_network) &&
 						(ieee->modulation & IEEE80211_OFDM_MODULATION)){
@@ -2194,11 +2118,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
 						"Association response status code 0x%x\n",
 						errcode);
 					if(ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT) {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 						queue_work(ieee->wq, &ieee->associate_procedure_wq);
-#else
-						schedule_task(&ieee->associate_procedure_wq);
-#endif
 					} else {
 						ieee80211_associate_abort(ieee);
 					}
@@ -2310,11 +2230,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
 				RemovePeerTS(ieee, header->addr2);
 				if(ieee->LedControlHandler != NULL)
 				        ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK); //added by amy for LED 090318
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 				queue_work(ieee->wq, &ieee->associate_procedure_wq);
-#else
-				schedule_task(&ieee->associate_procedure_wq);
-#endif
 			}
 			break;
 		case IEEE80211_STYPE_MANAGE_ACT:
@@ -2551,16 +2467,12 @@ void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
 		netif_carrier_on(ieee->dev);
 	}
 }
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
+
 void ieee80211_start_ibss_wq(struct work_struct *work)
 {
 
         struct delayed_work *dwork = container_of(work, struct delayed_work, work);
         struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
-#else
-void ieee80211_start_ibss_wq(struct ieee80211_device *ieee)
-{
-#endif
 	/* iwconfig mode ad-hoc will schedule this and return
 	 * on the other hand this will block further iwconfig SET
 	 * operations because of the wx_sem hold.
@@ -2673,11 +2585,7 @@ void ieee80211_start_ibss_wq(struct ieee80211_device *ieee)
 
 inline void ieee80211_start_ibss(struct ieee80211_device *ieee)
 {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 150);
-#else
-	schedule_task(&ieee->start_ibss_wq);
-#endif
 }
 
 /* this is called only in user context, with wx_sem held */
@@ -2720,15 +2628,11 @@ void ieee80211_start_bss(struct ieee80211_device *ieee)
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void ieee80211_link_change_wq(struct work_struct *work)
 {
         struct delayed_work *dwork = container_of(work, struct delayed_work, work);
         struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, link_change_wq);
-#else
-void ieee80211_link_change_wq(struct ieee80211_device *ieee)
-{
-#endif
+
 	ieee->link_change(ieee->dev);
 }
 /* called only in userspace context */
@@ -2751,25 +2655,17 @@ void ieee80211_disassociate(struct ieee80211_device *ieee)
 
 	//LZM for usb dev crash.
 	//ieee->link_change(ieee->dev);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	queue_delayed_work(ieee->wq, &ieee->link_change_wq, 0);
-#else
-	schedule_task(&ieee->link_change_wq);
-#endif
 
 	//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
 	notify_wx_assoc_event(ieee);
 
 }
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
+
 void ieee80211_associate_retry_wq(struct work_struct *work)
 {
         struct delayed_work *dwork = container_of(work, struct delayed_work, work);
         struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
-#else
-void ieee80211_associate_retry_wq(struct ieee80211_device *ieee)
-{
-#endif
 	unsigned long flags;
 
 	down(&ieee->wx_sem);
@@ -2868,11 +2764,9 @@ void ieee80211_stop_protocol(struct ieee80211_device *ieee)
 
 	ieee80211_stop_send_beacons(ieee);
 	del_timer_sync(&ieee->associate_timer);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	cancel_delayed_work(&ieee->associate_retry_wq);
 	cancel_delayed_work(&ieee->start_ibss_wq);
 	cancel_delayed_work(&ieee->link_change_wq);
-#endif
 	ieee80211_stop_scan(ieee);
 
 	ieee80211_disassociate(ieee);
@@ -2990,11 +2884,6 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	ieee->sta_edca_param[3] = 0x002F3262;
 	ieee->aggregation = true;
 	ieee->enable_rx_imm_BA = 1;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-	init_timer(&ieee->scan_timer);
-	ieee->scan_timer.data = (unsigned long)ieee;
-	ieee->scan_timer.function = ieee80211_softmac_scan_cb;
-#endif
 	ieee->tx_pending.txb = NULL;
 
 	init_timer(&ieee->associate_timer);
@@ -3005,16 +2894,12 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	ieee->beacon_timer.data = (unsigned long) ieee;
 	ieee->beacon_timer.function = ieee80211_send_beacon_cb;
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 #ifdef PF_SYNCTHREAD
 	ieee->wq = create_workqueue(DRV_NAME,0);
 #else
 	ieee->wq = create_workqueue(DRV_NAME);
 #endif
-#endif
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
         INIT_DELAYED_WORK(&ieee->link_change_wq,ieee80211_link_change_wq);
         INIT_DELAYED_WORK(&ieee->start_ibss_wq,ieee80211_start_ibss_wq);
         INIT_WORK(&ieee->associate_complete_wq, ieee80211_associate_complete_wq);
@@ -3023,25 +2908,6 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
         INIT_DELAYED_WORK(&ieee->associate_retry_wq, ieee80211_associate_retry_wq);
         INIT_WORK(&ieee->wx_sync_scan_wq,ieee80211_wx_sync_scan_wq);
 
-#else
-	INIT_WORK(&ieee->link_change_wq,(void(*)(void*)) ieee80211_link_change_wq,ieee);
-	INIT_WORK(&ieee->start_ibss_wq,(void(*)(void*)) ieee80211_start_ibss_wq,ieee);
-	INIT_WORK(&ieee->associate_retry_wq,(void(*)(void*)) ieee80211_associate_retry_wq,ieee);
-	INIT_WORK(&ieee->associate_complete_wq,(void(*)(void*)) ieee80211_associate_complete_wq,ieee);
-	INIT_WORK(&ieee->associate_procedure_wq,(void(*)(void*)) ieee80211_associate_procedure_wq,ieee);
-	INIT_WORK(&ieee->softmac_scan_wq,(void(*)(void*)) ieee80211_softmac_scan_wq,ieee);
-	INIT_WORK(&ieee->wx_sync_scan_wq,(void(*)(void*)) ieee80211_wx_sync_scan_wq,ieee);
-#endif
-
-#else
-	tq_init(&ieee->link_change_wq,(void(*)(void*)) ieee80211_link_change_wq,ieee);
-	tq_init(&ieee->start_ibss_wq,(void(*)(void*)) ieee80211_start_ibss_wq,ieee);
-	tq_init(&ieee->associate_retry_wq,(void(*)(void*)) ieee80211_associate_retry_wq,ieee);
-	tq_init(&ieee->associate_complete_wq,(void(*)(void*)) ieee80211_associate_complete_wq,ieee);
-	tq_init(&ieee->associate_procedure_wq,(void(*)(void*)) ieee80211_associate_procedure_wq,ieee);
-	tq_init(&ieee->softmac_scan_wq,(void(*)(void*)) ieee80211_softmac_scan_wq,ieee);
-	tq_init(&ieee->wx_sync_scan_wq,(void(*)(void*)) ieee80211_wx_sync_scan_wq,ieee);
-#endif
 	sema_init(&ieee->wx_sem, 1);
 	sema_init(&ieee->scan_sem, 1);
 
@@ -3066,10 +2932,8 @@ void ieee80211_softmac_free(struct ieee80211_device *ieee)
 #endif
 	del_timer_sync(&ieee->associate_timer);
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	cancel_delayed_work(&ieee->associate_retry_wq);
 	destroy_workqueue(ieee->wq);
-#endif
 
 	up(&ieee->wx_sem);
 }
@@ -3347,11 +3211,8 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
 		}
 		memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 		new_crypt->ops = ops;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+
 		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
-#else
-		if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner))
-#endif
 			new_crypt->priv =
 				new_crypt->ops->init(param->u.crypt.idx);
 
@@ -3534,7 +3395,6 @@ void notify_wx_assoc_event(struct ieee80211_device *ieee)
 	wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
 }
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_get_beacon);
 EXPORT_SYMBOL(ieee80211_wake_queue);
 EXPORT_SYMBOL(ieee80211_stop_queue);
@@ -3555,26 +3415,4 @@ EXPORT_SYMBOL(ieee80211_stop_scan);
 EXPORT_SYMBOL(ieee80211_send_probe_requests);
 EXPORT_SYMBOL(ieee80211_softmac_scan_syncro);
 EXPORT_SYMBOL(ieee80211_start_scan_syncro);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_get_beacon);
-EXPORT_SYMBOL_NOVERS(ieee80211_wake_queue);
-EXPORT_SYMBOL_NOVERS(ieee80211_stop_queue);
-EXPORT_SYMBOL_NOVERS(ieee80211_reset_queue);
-EXPORT_SYMBOL_NOVERS(ieee80211_softmac_stop_protocol);
-EXPORT_SYMBOL_NOVERS(ieee80211_softmac_start_protocol);
-EXPORT_SYMBOL_NOVERS(ieee80211_is_shortslot);
-EXPORT_SYMBOL_NOVERS(ieee80211_is_54g);
-EXPORT_SYMBOL_NOVERS(ieee80211_wpa_supplicant_ioctl);
-EXPORT_SYMBOL_NOVERS(ieee80211_ps_tx_ack);
-EXPORT_SYMBOL_NOVERS(ieee80211_softmac_xmit);
-EXPORT_SYMBOL_NOVERS(ieee80211_stop_send_beacons);
-EXPORT_SYMBOL_NOVERS(notify_wx_assoc_event);
-EXPORT_SYMBOL_NOVERS(SendDisassociation);
-EXPORT_SYMBOL_NOVERS(ieee80211_disassociate);
-EXPORT_SYMBOL_NOVERS(ieee80211_start_send_beacons);
-EXPORT_SYMBOL_NOVERS(ieee80211_stop_scan);
-EXPORT_SYMBOL_NOVERS(ieee80211_send_probe_requests);
-EXPORT_SYMBOL_NOVERS(ieee80211_softmac_scan_syncro);
-EXPORT_SYMBOL_NOVERS(ieee80211_start_scan_syncro);
-#endif
 //EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac_wx.c
index 191dc3fbbe3..0f668d1c1bb 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac_wx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac_wx.c
@@ -313,14 +313,9 @@ out:
 	return 0;
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 void ieee80211_wx_sync_scan_wq(struct work_struct *work)
 {
         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq);
-#else
-void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
-{
-#endif
 	short chan;
 	HT_EXTCHNL_OFFSET chan_offset=0;
 	HT_CHANNEL_WIDTH bandwidth=0;
@@ -410,11 +405,7 @@ int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info
 	}
 
 	if ( ieee->state == IEEE80211_LINKED){
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 		queue_work(ieee->wq, &ieee->wx_sync_scan_wq);
-#else
-		schedule_task(&ieee->wx_sync_scan_wq);
-#endif
 		/* intentionally forget to up sem */
 		return 0;
 	}
@@ -460,18 +451,6 @@ int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
 	if (wrqu->essid.flags && wrqu->essid.length) {
 		//first flush current network.ssid
 		len = ((wrqu->essid.length-1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length-1) : IW_ESSID_MAX_SIZE;
-#if LINUX_VERSION_CODE <  KERNEL_VERSION(2,6,20)
-		strncpy(ieee->current_network.ssid, extra, len);
-		ieee->current_network.ssid_len = len;
-#if 0
-		{
-			int i;
-			for (i=0; i<len; i++)
-				printk("%c ", extra[i]);
-			printk("\n");
-		}
-#endif
-#else
 		strncpy(ieee->current_network.ssid, extra, len+1);
 		ieee->current_network.ssid_len = len+1;
 #if 0
@@ -482,7 +461,6 @@ int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
 			printk("\n");
 		}
 #endif
-#endif
 		ieee->ssid_set = 1;
 	}
 	else{
@@ -670,7 +648,7 @@ exit:
 	return ret;
 
 }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
+
 EXPORT_SYMBOL(ieee80211_wx_get_essid);
 EXPORT_SYMBOL(ieee80211_wx_set_essid);
 EXPORT_SYMBOL(ieee80211_wx_set_rate);
@@ -689,23 +667,3 @@ EXPORT_SYMBOL(ieee80211_wx_get_power);
 EXPORT_SYMBOL(ieee80211_wlan_frequencies);
 EXPORT_SYMBOL(ieee80211_wx_set_rts);
 EXPORT_SYMBOL(ieee80211_wx_get_rts);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_essid);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_essid);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rate);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_rate);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_wap);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_wap);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_mode);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_mode);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_scan);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_freq);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_freq);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rawtx);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_name);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_power);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_power);
-EXPORT_SYMBOL_NOVERS(ieee80211_wlan_frequencies);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_rts);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_rts);
-#endif
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
index cba12b84be5..d4047c6ca2d 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
@@ -287,11 +287,8 @@ ieee80211_classify(struct sk_buff *skb, struct ieee80211_network *network)
 		return 0;
 
 //	IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
 	ip = ip_hdr(skb);
-#else
-	ip = (struct iphdr*)(skb->data + sizeof(struct ether_header));
-#endif
+
 	switch (ip->tos & 0xfc) {
 		case 0x20:
 			return 2;
@@ -620,11 +617,7 @@ void ieee80211_query_seqnum(struct ieee80211_device*ieee, struct sk_buff* skb, u
 
 int rtl8192_ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
 	struct ieee80211_device *ieee = netdev_priv(dev);
-#else
-	struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv;
-#endif
 	struct ieee80211_txb *txb = NULL;
 	struct ieee80211_hdr_3addrqos *frag_hdr;
 	int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
index ae11e2576be..79bb4800226 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
@@ -53,25 +53,7 @@ struct modes_unit ieee80211_modes[] = {
 	{"N-5G",4},
 };
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,20)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-static inline char *
-iwe_stream_add_event_rsl(char *     stream,         /* Stream of events */
-                     char *     ends,           /* End of stream */
-                     struct iw_event *iwe,      /* Payload */
-                     int        event_len)      /* Real size of payload */
-{
-        /* Check if it's possible */
-        if((stream + event_len) < ends) {
-                iwe->len = event_len;
-		ndelay(1);   //new
-                memcpy(stream, (char *) iwe, event_len);
-                stream += event_len;
-        }
-        return stream;
-}
-#else
 #define iwe_stream_add_event_rsl iwe_stream_add_event
-#endif
 
 #define MAX_CUSTOM_LEN 64
 static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
@@ -92,11 +74,8 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	iwe.cmd = SIOCGIWAP;
 	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
 	memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
 	start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN);
-#else
-	start = iwe_stream_add_event_rsl(start, stop, &iwe, IW_EV_ADDR_LEN);
-#endif
+
 	/* Remaining entries will be displayed in the order we provide them */
 
 	/* Add the ESSID */
@@ -105,18 +84,10 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 //	if (network->flags & NETWORK_EMPTY_ESSID) {
 	if (network->ssid_len == 0) {
 		iwe.u.data.length = sizeof("<hidden>");
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
-#else
-                start = iwe_stream_add_point(start, stop, &iwe, "<hidden>");
-#endif
         } else {
 		iwe.u.data.length = min(network->ssid_len, (u8)32);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
-#else
-                start = iwe_stream_add_point(start, stop, &iwe, network->ssid);
-#endif
         }
 	/* Add the protocol name */
 	iwe.cmd = SIOCGIWNAME;
@@ -128,11 +99,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	}
 	*pname = '\0';
 	snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
         start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN);
-#else
-        start = iwe_stream_add_event_rsl(start, stop, &iwe, IW_EV_CHAR_LEN);
-#endif
         /* Add mode */
         iwe.cmd = SIOCGIWMODE;
         if (network->capability &
@@ -141,11 +108,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 			iwe.u.mode = IW_MODE_MASTER;
 		else
 			iwe.u.mode = IW_MODE_ADHOC;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN);
-#else
-                start = iwe_stream_add_event_rsl(start, stop, &iwe, IW_EV_UINT_LEN);
-#endif
         }
 
         /* Add frequency/channel */
@@ -155,11 +118,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	iwe.u.freq.m = network->channel;
 	iwe.u.freq.e = 0;
 	iwe.u.freq.i = 0;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
         start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN);
-#else
-        start = iwe_stream_add_event_rsl(start, stop, &iwe, IW_EV_FREQ_LEN);
-#endif
 	/* Add encryption capability */
 	iwe.cmd = SIOCGIWENCODE;
 	if (network->capability & WLAN_CAPABILITY_PRIVACY)
@@ -167,11 +126,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	else
 		iwe.u.data.flags = IW_ENCODE_DISABLED;
 	iwe.u.data.length = 0;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
         start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
-#else
-        start = iwe_stream_add_point(start, stop, &iwe, network->ssid);
-#endif
 	/* Add basic and extended rates */
 	max_rate = 0;
 	p = custom;
@@ -227,21 +182,14 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	iwe.cmd = SIOCGIWRATE;
 	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
 	iwe.u.bitrate.value = max_rate * 500000;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
         start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
 				     IW_EV_PARAM_LEN);
-#else
-        start = iwe_stream_add_event_rsl(start, stop, &iwe,
-				     IW_EV_PARAM_LEN);
-#endif
+
 	iwe.cmd = IWEVCUSTOM;
 	iwe.u.data.length = p - custom;
 	if (iwe.u.data.length)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
         start = iwe_stream_add_point(info, start, stop, &iwe, custom);
-#else
-        start = iwe_stream_add_point(start, stop, &iwe, custom);
-#endif
+
 	/* Add quality statistics */
 	/* TODO: Fix these values... */
 	iwe.cmd = IWEVQUAL;
@@ -256,21 +204,13 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
 		iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
 	iwe.u.qual.updated = 7;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
         start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN);
-#else
-        start = iwe_stream_add_event_rsl(start, stop, &iwe, IW_EV_QUAL_LEN);
-#endif
 	iwe.cmd = IWEVCUSTOM;
 	p = custom;
 
 	iwe.u.data.length = p - custom;
 	if (iwe.u.data.length)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
             start = iwe_stream_add_point(info, start, stop, &iwe, custom);
-#else
-            start = iwe_stream_add_point(start, stop, &iwe, custom);
-#endif
 #if (WIRELESS_EXT < 18)
 	if (ieee->wpa_enabled && network->wpa_ie_len){
 		char buf[MAX_WPA_IE_LEN * 2 + 30];
@@ -284,11 +224,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = IWEVCUSTOM;
 		iwe.u.data.length = strlen(buf);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
-#else
-                start = iwe_stream_add_point(start, stop, &iwe, buf);
-#endif
         }
 
 	if (ieee->wpa_enabled && network->rsn_ie_len){
@@ -303,11 +239,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = IWEVCUSTOM;
 		iwe.u.data.length = strlen(buf);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
-#else
-                start = iwe_stream_add_point(start, stop, &iwe, buf);
-#endif
         }
 #else
 	memset(&iwe, 0, sizeof(iwe));
@@ -317,11 +249,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 		memcpy(buf, network->wpa_ie, network->wpa_ie_len);
 		iwe.cmd = IWEVGENIE;
 		iwe.u.data.length = network->wpa_ie_len;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
-#else
-                start = iwe_stream_add_point(start, stop, &iwe, buf);
-#endif
         }
 	memset(&iwe, 0, sizeof(iwe));
 	if (network->rsn_ie_len)
@@ -330,11 +258,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 		memcpy(buf, network->rsn_ie, network->rsn_ie_len);
 		iwe.cmd = IWEVGENIE;
 		iwe.u.data.length = network->rsn_ie_len;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
                 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
-#else
-                start = iwe_stream_add_point(start, stop, &iwe, buf);
-#endif
         }
 #endif
 
@@ -347,11 +271,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 		      " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
 	iwe.u.data.length = p - custom;
 	if (iwe.u.data.length)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
             start = iwe_stream_add_point(info, start, stop, &iwe, custom);
-#else
-            start = iwe_stream_add_point(start, stop, &iwe, custom);
-#endif
 
 	return start;
 }
@@ -486,11 +406,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 			request_module("ieee80211_crypt_wep");
 			new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 		}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
-#else
-		if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner))
-#endif
 			new_crypt->priv = new_crypt->ops->init(key);
 
 		if (!new_crypt->ops || !new_crypt->priv) {
@@ -638,7 +554,6 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
                                union iwreq_data *wrqu, char *extra)
 {
 	int ret = 0;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	struct net_device *dev = ieee->dev;
         struct iw_point *encoding = &wrqu->encoding;
         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
@@ -747,12 +662,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
 
                 ieee80211_crypt_delayed_deinit(ieee, crypt);
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
                 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
-#else
-                new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
-		memset(new_crypt,0,sizeof(*new_crypt));
-#endif
                 if (new_crypt == NULL) {
                         ret = -ENOMEM;
                         goto done;
@@ -818,7 +728,7 @@ done:
                 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
                 return -EINVAL;
         }
-#endif
+
         return ret;
 }
 
@@ -881,8 +791,8 @@ int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
                                struct iw_request_info *info,
                                union iwreq_data *wrqu, char *extra)
 {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	struct iw_mlme *mlme = (struct iw_mlme *) extra;
+
 	switch (mlme->cmd) {
         case IW_MLME_DEAUTH:
 	case IW_MLME_DISASSOC:
@@ -891,7 +801,7 @@ int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
 	 default:
                 return -EOPNOTSUPP;
         }
-#endif
+
 	return 0;
 }
 
@@ -899,7 +809,6 @@ int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
                                struct iw_request_info *info,
                                struct iw_param *data, char *extra)
 {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	switch (data->flags & IW_AUTH_INDEX) {
         case IW_AUTH_WPA_VERSION:
 	     /*need to support wpa2 here*/
@@ -957,14 +866,13 @@ int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
 	default:
                 return -EOPNOTSUPP;
 	}
-#endif
+
 	return 0;
 }
 #endif
 #if 1
 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 #if 0
 	printk("====>%s()\n", __FUNCTION__);
 	{
@@ -1004,13 +912,12 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 		ieee->wpa_ie = NULL;
 		ieee->wpa_ie_len = 0;
 	}
-#endif
+
 	return 0;
 
 }
 #endif
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
 #if (WIRELESS_EXT >= 18)
 EXPORT_SYMBOL(ieee80211_wx_set_mlme);
@@ -1021,12 +928,3 @@ EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
 EXPORT_SYMBOL(ieee80211_wx_get_scan);
 EXPORT_SYMBOL(ieee80211_wx_set_encode);
 EXPORT_SYMBOL(ieee80211_wx_get_encode);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_gen_ie);
-//EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_mlme);
-//EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_auth);
-//EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_encode_ext);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_scan);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_set_encode);
-EXPORT_SYMBOL_NOVERS(ieee80211_wx_get_encode);
-#endif
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
index f357085f664..d263cdfca6d 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
@@ -1241,14 +1241,9 @@ u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperate
 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH	Bandwidth, HT_EXTCHNL_OFFSET	Offset);
 #if 0
 //I need move this function to other places, such as rx?
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void HTOnAssocRsp_wq(struct work_struct *work)
 {
 	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ht_onAssRsp);
-#else
-void HTOnAssocRsp_wq(struct ieee80211_device *ieee)
-{
-#endif
 #endif
 void HTOnAssocRsp(struct ieee80211_device *ieee)
 {
@@ -2030,8 +2025,4 @@ void HTSetConnectBwModeCallback(struct ieee80211_device* ieee)
 	pHTInfo->bSwBwInProgress = false;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-EXPORT_SYMBOL_NOVERS(HTUpdateSelfAndPeerSetting);
-#else
 EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);
-#endif
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
index 6fb7033ed36..ec4a8a3493e 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
@@ -2,13 +2,6 @@
 #include <linux/etherdevice.h>
 #include "rtl819x_TS.h"
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define list_for_each_entry_safe(pos, n, head, member) \
-	for (pos = list_entry((head)->next, typeof(*pos), member), \
-		n = list_entry(pos->member.next, typeof(*pos), member); \
-		&pos->member != (head); \
-		pos = n, n = list_entry(n->member.next, typeof(*n), member))
-#endif
 void TsSetupTimeOut(unsigned long data)
 {
 	// Not implement yet
@@ -660,8 +653,5 @@ void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD	pTxTS)
 	else
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
 }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-EXPORT_SYMBOL_NOVERS(RemovePeerTS);
-#else
+
 EXPORT_SYMBOL(RemovePeerTS);
-#endif