Staging: rtl8187se: remove kernel version compatibility wrappers

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

14 files changed, 54 insertions, 724 deletions

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211.h b/drivers/staging/rtl8187se/ieee80211/ieee80211.h
index 58336080ad50..c6cb2e7b665d 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211.h
@@ -29,10 +29,7 @@
 #include <linux/jiffies.h>
 #include <linux/timer.h>
 #include <linux/sched.h>
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13))
 #include <linux/wireless.h>
-#endif
 
 /*
 #ifndef bool
@@ -47,11 +44,7 @@
 #define false  0
 #endif
 */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-#ifndef bool
-typedef enum{false = 0, true} bool;
-#endif
-#endif
+
 //#ifdef JOHN_HWSEC
 #define KEY_TYPE_NA		0x0
 #define KEY_TYPE_WEP40 		0x1
@@ -112,7 +105,6 @@ typedef enum{false = 0, true} bool;
 
 #define	IEEE_CRYPT_ALG_NAME_LEN			16
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10))
 #define ieee80211_wx_get_scan ieee80211_wx_get_scan_rtl
 #define ieee80211_wx_set_encode ieee80211_wx_set_encode_rtl
 #define ieee80211_wx_get_encode ieee80211_wx_get_encode_rtl
@@ -122,7 +114,7 @@ typedef enum{false = 0, true} bool;
 #define free_ieee80211          free_ieee80211_rtl
 #define alloc_ieee80211        alloc_ieee80211_rtl
 ///////////////////////////////
-#endif
+
 //error in ubuntu2.6.22,so add these
 #define ieee80211_wake_queue ieee80211_wake_queue_rtl
 #define ieee80211_stop_queue ieee80211_stop_queue_rtl
@@ -205,23 +197,8 @@ typedef struct ieee_param {
 #define IW_QUAL_NOISE_UPDATED  0x4
 #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)
-static inline unsigned long msleep_interruptible_rtl(unsigned int msecs)
-{
-         unsigned long timeout = MSECS(msecs) + 1;
-
-         while (timeout) {
-                 set_current_state(TASK_UNINTERRUPTIBLE);
-                 timeout = schedule_timeout(timeout);
-         }
-         return timeout;
-}
-#else
 #define MSECS(t) msecs_to_jiffies(t)
 #define msleep_interruptible_rtl  msleep_interruptible
-#endif
 
 #define IEEE80211_DATA_LEN		2304
 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
@@ -1097,22 +1074,6 @@ enum ieee80211_state {
 #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
 #define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
 
-
-#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
-
 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 
@@ -1313,7 +1274,6 @@ struct ieee80211_device {
 	unsigned long NumRxOkTotal;
 	unsigned long NumRxUnicast;//YJ,add,080828,for keep alive
 	bool bHwRadioOff;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
         struct delayed_work softmac_scan_wq;
         struct delayed_work associate_retry_wq;
 	struct delayed_work hw_wakeup_wq;
@@ -1329,24 +1289,7 @@ struct ieee80211_device {
 
 //Added for RF power on power off by lizhaoming 080512
 	struct delayed_work GPIOChangeRFWorkItem;
-#else
 
-	struct work_struct start_ibss_wq;
-        struct work_struct softmac_scan_wq;
-        struct work_struct associate_retry_wq;
-	struct work_struct hw_wakeup_wq;
-	struct work_struct hw_sleep_wq;
-	struct work_struct watch_dog_wq;
-	struct work_struct sw_antenna_wq;
-//by amy for rate adaptive 080312
-    struct work_struct rate_adapter_wq;
-//by amy for rate adaptive
-	struct work_struct hw_dig_wq;
-	struct work_struct tx_pw_wq;
-
-//Added for RF power on power off by lizhaoming 080512
-	struct work_struct GPIOChangeRFWorkItem;
-#endif
 	struct workqueue_struct *wq;
 
 	/* Callback functions */
@@ -1690,12 +1633,8 @@ extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_reques
 
 extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
 			     union iwreq_data *wrqu, char *b);
-#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 void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee);
 
 extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee,
 			       struct iw_request_info *info,
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
index 7370296225e1..1749246f817c 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c
@@ -19,10 +19,6 @@
 #include <asm/string.h>
 #include <asm/errno.h>
 
-#if (LINUX_VERSION_CODE<KERNEL_VERSION(2,6,18))
-#include<linux/config.h>
-#endif
-
 #include "ieee80211.h"
 
 MODULE_AUTHOR("Jouni Malinen");
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
index 08add385790f..21f09c62cff5 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8187se/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");
@@ -77,21 +67,7 @@ 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))||(IN_OPENSUSE_SLED))
 	crypto_cipher_encrypt_one((void *)tfm, ct, pt);
-	#else
-	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);
-	#endif
 }
 
 static void * ieee80211_ccmp_init(int key_idx)
@@ -104,33 +80,20 @@ 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)) && (!IN_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))
-       			#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED))
-			crypto_free_tfm(priv->tfm);
-                    #else
 			crypto_free_cipher((void *)priv->tfm);
-		      #endif
 		kfree(priv);
 	}
 
@@ -141,13 +104,9 @@ 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))
-       		#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED))
-		crypto_free_tfm(_priv->tfm);
-             #else
 		crypto_free_cipher((void *)_priv->tfm);
-		#endif
 	kfree(priv);
 }
 
@@ -522,11 +481,7 @@ void ieee80211_crypto_ccmp_exit(void)
 }
 
 #if 0
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_ccmp_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_ccmp_null);
-#endif
 #endif
 
 //module_init(ieee80211_crypto_ccmp_init);
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
index de97bbec0da5..c0a3c4b89573 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
@@ -23,18 +23,8 @@
 
 #include "ieee80211.h"
 
-#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");
@@ -70,13 +60,10 @@ struct ieee80211_tkip_data {
 
 	int key_idx;
 
-       #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_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;
-       #endif
-
+	struct crypto_blkcipher *rx_tfm_arc4;
+	struct crypto_hash *rx_tfm_michael;
+	struct crypto_blkcipher *tx_tfm_arc4;
+	struct crypto_hash *tx_tfm_michael;
 	struct crypto_tfm *tfm_arc4;
 	struct crypto_tfm *tfm_michael;
 
@@ -94,22 +81,6 @@ static void * ieee80211_tkip_init(int key_idx)
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = key_idx;
 
-      #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	priv->tfm_arc4 = crypto_alloc_tfm("arc4", 0);
-	if (priv->tfm_arc4 == NULL) {
-		printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
-		       "crypto API arc4\n");
-		goto fail;
-	}
-
-	priv->tfm_michael = crypto_alloc_tfm("michael_mic", 0);
-	if (priv->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)) {
@@ -145,17 +116,11 @@ 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))&&(!IN_OPENSUSE_SLED))
-		if (priv->tfm_michael)
-			crypto_free_tfm(priv->tfm_michael);
-		if (priv->tfm_arc4)
-			crypto_free_tfm(priv->tfm_arc4);
-             #else
 		if (priv->tx_tfm_michael)
 			crypto_free_hash(priv->tx_tfm_michael);
 		if (priv->tx_tfm_arc4)
@@ -164,7 +129,6 @@ fail:
 			crypto_free_hash(priv->rx_tfm_michael);
 		if (priv->rx_tfm_arc4)
 			crypto_free_blkcipher(priv->rx_tfm_arc4);
-		#endif
 		kfree(priv);
 	}
 
@@ -175,12 +139,7 @@ fail:
 static void ieee80211_tkip_deinit(void *priv)
 {
 	struct ieee80211_tkip_data *_priv = priv;
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	if (_priv && _priv->tfm_michael)
-		crypto_free_tfm(_priv->tfm_michael);
-	if (_priv && _priv->tfm_arc4)
-		crypto_free_tfm(_priv->tfm_arc4);
-	#else
+
 	if (_priv) {
 		if (_priv->tx_tfm_michael)
 			crypto_free_hash(_priv->tx_tfm_michael);
@@ -191,7 +150,6 @@ static void ieee80211_tkip_deinit(void *priv)
 		if (_priv->rx_tfm_arc4)
 			crypto_free_blkcipher(_priv->rx_tfm_arc4);
 	}
-	#endif
 	kfree(priv);
 }
 
@@ -355,9 +313,7 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
 static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
         struct ieee80211_tkip_data *tkey = priv;
-        #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED))
         struct blkcipher_desc desc = {.tfm = tkey->tx_tfm_arc4};
-        #endif
 	int len;
 	u8  *pos;
 	struct ieee80211_hdr *hdr;
@@ -419,32 +375,14 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 	*pos++ = (tkey->tx_iv32 >> 24) & 0xff;
 #ifndef JOHN_TKIP
 	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))&&(!IN_OPENSUSE_SLED))
-	crypto_cipher_setkey(tkey->tfm_arc4, rc4key, 16);
-	sg.page = virt_to_page(pos);
-	sg.offset = offset_in_page(pos);
-	sg.length = len + 4;
-	crypto_cipher_encrypt(tkey->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
 #endif
 	tkey->tx_iv16++;
 	if (tkey->tx_iv16 == 0) {
@@ -452,11 +390,7 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 		tkey->tx_iv32++;
 	}
 #ifndef JOHN_TKIP
-      #if((LINUX_VERSION_CODE <KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	   return 0;
-      #else
 	   return ret;
-      #endif
 #else
 	return 0;
 #endif
@@ -464,10 +398,8 @@ printk("%x\n", ((u32*)tkey->key)[7]);
 
 static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
-        struct ieee80211_tkip_data *tkey = priv;
-        #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) ||(IN_OPENSUSE_SLED))
-        struct blkcipher_desc desc = {.tfm = tkey->rx_tfm_arc4};
-        #endif
+	struct ieee80211_tkip_data *tkey = priv;
+	struct blkcipher_desc desc = { .tfm = tkey->rx_tfm_arc4 };
 	u8 keyidx, *pos;
 	u32 iv32;
 	u16 iv16;
@@ -530,21 +462,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	tkip_mixing_phase2(rc4key, tkey->key, tkey->rx_ttak, iv16);
 
 	plen = skb->len - hdr_len - 12;
-       #if((LINUX_VERSION_CODE <KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	crypto_cipher_setkey(tkey->tfm_arc4, rc4key, 16);
-	sg.page = virt_to_page(pos);
-	sg.offset = offset_in_page(pos);
-	sg.length = plen + 4;
-	crypto_cipher_decrypt(tkey->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 "
@@ -553,13 +472,8 @@ 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;
@@ -605,52 +519,6 @@ if( ((u16*)skb->data)[0] & 0x4000){
 	return keyidx;
 }
 
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED))
-static int michael_mic(struct ieee80211_tkip_data *tkey, 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 (tkey->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;
-
-	//crypto_digest_init(tkey->tfm_michael);
-	//crypto_digest_setkey(tkey->tfm_michael, key, 8);
-	//crypto_digest_update(tkey->tfm_michael, sg, 2);
-	//crypto_digest_final(tkey->tfm_michael, mic);
-
-	//return 0;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-	crypto_digest_init(tkey->tfm_michael);
-	crypto_digest_setkey(tkey->tfm_michael, key, 8);
-	crypto_digest_update(tkey->tfm_michael, sg, 2);
-	crypto_digest_final(tkey->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)
 {
@@ -661,18 +529,10 @@ 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;
@@ -681,9 +541,6 @@ 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)
 {
@@ -740,13 +597,9 @@ 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))&&(!IN_OPENSUSE_SLED))
-	if (michael_mic(tkey, &tkey->key[16], tkey->tx_hdr,
+
+	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
 		return -1;
 
 	return 0;
@@ -818,14 +671,11 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 		tkey->rx_hdr[12] = *(skb->data + hdr_len - 2) & 0x07;
 	}
 	// }
-        #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED))
-	if (michael_mic(tkey, &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
-            	return -1;
+			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 *hdr;
 		hdr = (struct ieee80211_hdr *) skb->data;
@@ -854,29 +704,19 @@ 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))&&(!IN_OPENSUSE_SLED))
-	struct crypto_tfm *tfm = tkey->tfm_michael;
-	struct crypto_tfm *tfm2 = tkey->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))&&(!IN_OPENSUSE_SLED))
-	tkey->tfm_michael = tfm;
-	tkey->tfm_arc4 = tfm2;
-       #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);
@@ -989,11 +829,7 @@ void ieee80211_tkip_null(void)
 }
 
 #if 0
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_tkip_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_tkip_null);
-#endif
 #endif
 
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
index 68a22b32fcf0..371ef871222a 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c
@@ -20,18 +20,8 @@
 
 #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>
 #include <linux/crc32.h>
 
 MODULE_AUTHOR("Jouni Malinen");
@@ -51,12 +41,8 @@ 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))&&(!IN_OPENSUSE_SLED))
-	struct crypto_tfm *tfm;
-	#else
 	struct crypto_blkcipher *tx_tfm;
 	struct crypto_blkcipher *rx_tfm;
-	#endif
 };
 
 
@@ -69,14 +55,6 @@ static void * prism2_wep_init(int keyidx)
 		goto fail;
 	memset(priv, 0, sizeof(*priv));
 	priv->key_idx = keyidx;
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_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 "
@@ -91,7 +69,6 @@ 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);
@@ -99,14 +76,6 @@ static void * prism2_wep_init(int keyidx)
 	return priv;
 
 fail:
-	//#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_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);
@@ -114,7 +83,7 @@ fail:
 			crypto_free_blkcipher(priv->rx_tfm);
 		kfree(priv);
 	}
-	#endif
+
 	return NULL;
 }
 
@@ -122,18 +91,14 @@ fail:
 static void prism2_wep_deinit(void *priv)
 {
 	struct prism2_wep_data *_priv = priv;
-	//#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_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);
 }
 
@@ -147,10 +112,7 @@ static void prism2_wep_deinit(void *priv)
 static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
 	struct prism2_wep_data *wep = priv;
-//#if(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED))
-        struct blkcipher_desc desc = {.tfm = wep->tx_tfm};
-#endif
+	struct blkcipher_desc desc = { .tfm = wep->tx_tfm };
 	u32 klen, len;
 	u8 key[WEP_KEY_LEN + 3];
 	u8 *pos;
@@ -192,37 +154,17 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 #ifndef JOHN_HWSEC
 	/* 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))
-	#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_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
+	sg_init_one(&sg, pos, len + 4);
+
 	return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
-	#endif
 #endif /* JOHN_HWSEC */
 	return 0;
 }
@@ -238,10 +180,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
 	struct prism2_wep_data *wep = priv;
-        //#if(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))
-	#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED))
-        struct blkcipher_desc desc = {.tfm = wep->rx_tfm};
-        #endif
+	struct blkcipher_desc desc = { .tfm = wep->rx_tfm };
 	u32 klen, plen;
 	u8 key[WEP_KEY_LEN + 3];
 	u8 keyidx, *pos;
@@ -269,31 +208,13 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	/* Apply RC4 to data and compute CRC32 over decrypted data */
 	plen = skb->len - hdr_len - 8;
 #ifndef JOHN_HWSEC
-//#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))
-#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_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;
@@ -384,11 +305,7 @@ void ieee80211_wep_null(void)
         return;
 }
 #if 0
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 EXPORT_SYMBOL(ieee80211_wep_null);
-#else
-EXPORT_SYMBOL_NOVERS(ieee80211_wep_null);
-#endif
 #endif
 //module_init(ieee80211_crypto_wep_init);
 //module_exit(ieee80211_crypto_wep_exit);
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
index 4d4ee563275e..0c2775c4d43b 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8187se/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_reset_mac_header(skb);
 	skb_pull(skb, ieee80211_get_hdrlen(fc));
 	skb->pkt_type = PACKET_OTHERHOST;
 	skb->protocol = __constant_htons(ETH_P_80211_RAW);
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index 80f9cc7137c2..cdb604495da2 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -375,15 +375,8 @@ inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee)
 
 struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee);
 
-//#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
-//void ext_ieee80211_send_beacon_wq(struct work_struct *work)
-//{
-//	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ext_send_beacon_wq);
-//#else
 void ext_ieee80211_send_beacon_wq(struct ieee80211_device *ieee)
 {
-//#endif
-
 	struct sk_buff *skb;
 
 	//unsigned long flags;
@@ -716,15 +709,10 @@ void ieee80211_softmac_scan(struct ieee80211_device *ieee)
 }
 #endif
 #ifdef ENABLE_IPS
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void ieee80211_softmac_scan_wq(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_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
 	static short watchdog = 0;
 #ifdef ENABLE_DOT11D
 	u8 channel_map[MAX_CHANNEL_NUMBER+1];
@@ -774,16 +762,10 @@ out:
 	return;
 }
 #else
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void ieee80211_softmac_scan_wq(struct work_struct *work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, softmac_scan_wq);
-#else
-void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee)
-{
-#endif
-
         short watchdog = 0;
 #ifdef ENABLE_DOT11D
 	u8 channel_map[MAX_CHANNEL_NUMBER+1];
@@ -826,18 +808,6 @@ out:
 }
 
 #endif
-#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)
 {
@@ -1132,14 +1102,8 @@ struct sk_buff* ieee80211_ext_probe_resp_by_net(struct ieee80211_device *ieee, u
 	if( ieee->meshScanMode&4)
 		ieee->current_network.channel = ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee);
 	if( ieee->meshScanMode&6)
-	{
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 		queue_work(ieee->wq, &ieee->ext_stop_scan_wq);
-#else
-		schedule_task(&ieee->ext_stop_scan_wq);
-#endif
-	}
+
 	if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS) // use current_network here
 		atim_len = 4;
 	else
@@ -1945,14 +1909,10 @@ void ieee80211_associate_step2(struct ieee80211_device *ieee)
 	}
 }
 
-#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");
 	if(ieee80211_is_54g(ieee->current_network) &&
 		(ieee->modulation & IEEE80211_OFDM_MODULATION)){
@@ -1984,14 +1944,10 @@ void ieee80211_associate_complete(struct ieee80211_device *ieee)
 	queue_work(ieee->wq, &ieee->associate_complete_wq);
 }
 
-#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);
 
@@ -2009,16 +1965,11 @@ void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee)
 #ifdef _RTL8187_EXT_PATCH_
 // based on ieee80211_associate_procedure_wq
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 void ieee80211_ext_stop_scan_wq(struct work_struct *work)
 {
 	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ext_stop_scan_wq);
-#else
-void ieee80211_ext_stop_scan_wq(struct ieee80211_device *ieee)
-{
-#endif
-	  if (ieee->scanning == 0)
-	{
+
+	if (ieee->scanning == 0) {
 		if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel
 				&& ( ieee->current_network.channel == ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee) ) )
 		return;
@@ -2046,12 +1997,7 @@ void ieee80211_ext_stop_scan_wq(struct ieee80211_device *ieee)
 
 void ieee80211_ext_send_11s_beacon(struct ieee80211_device *ieee)
 {
-	#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
-		queue_work(ieee->wq, &ieee->ext_send_beacon_wq);
-	#else
-		schedule_task(&ieee->ext_send_beacon_wq);
-	#endif
-
+	queue_work(ieee->wq, &ieee->ext_send_beacon_wq);
 }
 
 #endif // _RTL8187_EXT_PATCH_
@@ -2977,15 +2923,11 @@ 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 = to_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
@@ -3159,15 +3101,10 @@ void ieee80211_disassociate(struct ieee80211_device *ieee)
 	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 = to_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);
 	if(!ieee->proto_started)
@@ -3278,10 +3215,8 @@ void ieee80211_stop_protocol(struct ieee80211_device *ieee)
 		ieee->ext_patch_ieee80211_stop_protocol(ieee);
 //if call queue_delayed_work,can call this,or do nothing..
 //edit by lawrence,20071118
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 //	cancel_delayed_work(&ieee->ext_stop_scan_wq);
 //	cancel_delayed_work(&ieee->ext_send_beacon_wq);
-#endif
 #endif // _RTL8187_EXT_PATCH_
 
 	ieee80211_stop_send_beacons(ieee);
@@ -3372,9 +3307,8 @@ void ieee80211_start_protocol(struct ieee80211_device *ieee)
 			if((ieee->iw_mode == ieee->iw_ext_mode) &&\
 			    ieee->ext_patch_ieee80211_start_protocol &&\
                             ieee->ext_patch_ieee80211_start_protocol(ieee)) {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 				queue_work(ieee->wq, &ieee->ext_stop_scan_wq);
-#endif
+
 				// By default, WMM function will be disabled in
 				// EXTENSION mode
 				ieee->current_network.QoS_Enable = 0;
@@ -3522,7 +3456,6 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 #else
 	ieee->wq = create_workqueue(DRV_NAME);
 #endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)//added by lawrence,070702
 	INIT_DELAYED_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq);
 	INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq);
 	INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq);
@@ -3536,20 +3469,7 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 	//INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ieee80211_beacons_start,ieee);
 	INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ext_ieee80211_send_beacon_wq);
 #endif //_RTL8187_EXT_PATCH_
-#else
-	INIT_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq,ieee);
-	INIT_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq,ieee);
-	INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq,ieee);
-	INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq,ieee);
-	INIT_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq,ieee);
-	INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq,ieee);
-//	INIT_WORK(&ieee->watch_dog_wq,(void*) ieee80211_watch_dog_wq,ieee);
-#ifdef _RTL8187_EXT_PATCH_
-	INIT_WORK(&ieee->ext_stop_scan_wq,(void*) ieee80211_ext_stop_scan_wq,ieee);
-	//INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ieee80211_beacons_start,ieee);
-	INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ext_ieee80211_send_beacon_wq,ieee);
-#endif
-#endif
+
 	sema_init(&ieee->wx_sem, 1);
 	sema_init(&ieee->scan_sem, 1);
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
index 54b4b718f84a..5c388d8454c9 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
@@ -270,16 +270,9 @@ out:
 }
 
 
-#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
-//void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
-//{
 	short chan;
 
 	chan = ieee->current_network.channel;
@@ -379,11 +372,7 @@ int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
 
 	if (wrqu->essid.flags && wrqu->essid.length) {
 //YJ,modified,080819
-#if LINUX_VERSION_CODE <  KERNEL_VERSION(2,6,20)
-		len = ((wrqu->essid.length-1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length-1) : IW_ESSID_MAX_SIZE;
-#else
 		len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length) : IW_ESSID_MAX_SIZE;
-#endif
 		memset(ieee->current_network.ssid, 0, ieee->current_network.ssid_len); //YJ,add,080819
 		strncpy(ieee->current_network.ssid, extra, len);
 		ieee->current_network.ssid_len = len;
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
index 1b774601b4a3..8c721a70f7cd 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
@@ -308,11 +308,7 @@ ieee80211_classify(struct sk_buff *skb, struct ieee80211_network *network)
 // based on part of ieee80211_xmit. Mainly allocate txb. ieee->lock is held
 struct ieee80211_txb *ieee80211_ext_alloc_txb(struct sk_buff *skb, struct net_device *dev, struct ieee80211_hdr_3addr *header, int hdr_len, u8 isQoS, u16 *pQOS_ctl, int isEncrypt, struct ieee80211_crypt_data* crypt)
 {
-#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_3addr *frag_hdr;
 	int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size;
@@ -459,11 +455,7 @@ struct ieee80211_txb *ieee80211_ext_alloc_txb(struct sk_buff *skb, struct net_de
 // Assume no encryption, no FCS computing
 struct ieee80211_txb *ieee80211_ext_reuse_txb(struct sk_buff *skb, struct net_device *dev, struct ieee80211_hdr_3addr *header, int hdr_len, u8 isQoS, u16 *pQOS_ctl, int isEncrypt, struct ieee80211_crypt_data* crypt)
 {
-#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_3addr *frag_hdr;
 	int ether_type;
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
index d1295e56fd42..35a35a707c21 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
@@ -61,11 +61,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);
-#else
-	start = iwe_stream_add_event(start, stop, &iwe, IW_EV_ADDR_LEN);
-#endif
 
 	/* Remaining entries will be displayed in the order we provide them */
 
@@ -77,28 +73,16 @@ static inline char *rtl818x_translate_scan(struct ieee80211_device *ieee,
 	if (network->ssid_len == 0) {
 	//YJ,modified,080903,end
 		iwe.u.data.length = sizeof("<hidden>");
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9)
 		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))||IN_FEDORACORE_9)
 		start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
-#else
-		start = iwe_stream_add_point(start, stop, &iwe, network->ssid);
-#endif
 	}
 	//printk("ESSID: %s\n",network->ssid);
 	/* Add the protocol name */
 	iwe.cmd = SIOCGIWNAME;
 	snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", ieee80211_modes[network->mode]);
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9)
 	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);
-#else
-	start = iwe_stream_add_event(start, stop, &iwe, IW_EV_CHAR_LEN);
-#endif
 
         /* Add mode */
         iwe.cmd = SIOCGIWMODE;
@@ -109,11 +93,7 @@ static inline char *rtl818x_translate_scan(struct ieee80211_device *ieee,
 		else
 			iwe.u.mode = IW_MODE_ADHOC;
 
-#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9)
 		start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_UINT_LEN);
-#else
-		start = iwe_stream_add_event(start, stop, &iwe, IW_EV_UINT_LEN);
-#endif
 	}
 
         /* Add frequency/channel */
@@ -123,11 +103,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN);
-#else
-	start = iwe_stream_add_event(start, stop, &iwe, IW_EV_FREQ_LEN);
-#endif
 
 	/* Add encryption capability */
 	iwe.cmd = SIOCGIWENCODE;
@@ -136,11 +112,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 	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;
@@ -169,20 +141,12 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_PARAM_LEN);
-#else
-	start = iwe_stream_add_event(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))||IN_FEDORACORE_9)
 		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... */
@@ -201,22 +165,14 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
-#else
-	start = iwe_stream_add_event(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))||IN_FEDORACORE_9)
 		start = iwe_stream_add_point(info, start, stop, &iwe, custom);
-#else
-		start = iwe_stream_add_point(start, stop, &iwe, custom);
-#endif
 
 #if 0
 	if (ieee->wpa_enabled && network->wpa_ie_len){
@@ -231,11 +187,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 		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){
@@ -256,11 +208,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
                 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));
@@ -278,11 +226,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 		start = iwe_stream_add_point(info, start, stop, &iwe, buf);
-#else
-		start = iwe_stream_add_point(start, stop, &iwe, buf);
-#endif
 	}
 
 #endif
@@ -295,11 +239,7 @@ static inline char *rtl818x_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))||IN_FEDORACORE_9)
 		start = iwe_stream_add_point(info, start, stop, &iwe, custom);
-#else
-		start = iwe_stream_add_point(start, stop, &iwe, custom);
-#endif
 
 	return start;
 }
diff --git a/drivers/staging/rtl8187se/r8180.h b/drivers/staging/rtl8187se/r8180.h
index 9a307f241eff..9b93be1f11a7 100644
--- a/drivers/staging/rtl8187se/r8180.h
+++ b/drivers/staging/rtl8187se/r8180.h
@@ -750,11 +750,7 @@ void rtl8185b_irq_enable(struct net_device *dev);
 void fix_rx_fifo(struct net_device *dev);
 void fix_tx_fifo(struct net_device *dev);
 void rtl8225z2_SetTXPowerLevel(struct net_device *dev, short ch);
-#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
 void rtl8180_rate_adapter(struct work_struct * work);
-#else
-void rtl8180_rate_adapter(struct net_device *dev);
-#endif
 //#endif
 bool MgntActSet_RF_State(struct net_device *dev, RT_RF_POWER_STATE StateToSet, u32 ChangeSource);
 
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index ac9fae8c033e..b84199acb6cb 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -171,17 +171,10 @@ MODULE_PARM(channels,"i");
 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
 */
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 9)
 module_param(ifname, charp, S_IRUGO|S_IWUSR );
 module_param(hwseqnum,int, S_IRUGO|S_IWUSR);
 module_param(hwwep,int, S_IRUGO|S_IWUSR);
 module_param(channels,int, S_IRUGO|S_IWUSR);
-#else
-MODULE_PARM(ifname, "s");
-MODULE_PARM(hwseqnum,"i");
-MODULE_PARM(hwwep,"i");
-MODULE_PARM(channels,"i");
-#endif
 
 MODULE_PARM_DESC(devname," Net interface name, wlan%d=default");
 //MODULE_PARM_DESC(devname," Net interface name, ath%d=default");
@@ -603,21 +596,13 @@ static struct iw_statistics *r8180_get_wireless_stats(struct net_device *dev)
 void rtl8180_proc_module_init(void)
 {
 	DMESG("Initializing proc filesystem");
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-        rtl8180_proc=create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, proc_net);
-#else
         rtl8180_proc=create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, init_net.proc_net);
-#endif
 }
 
 
 void rtl8180_proc_module_remove(void)
 {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-        remove_proc_entry(RTL8180_MODULE_NAME, proc_net);
-#else
         remove_proc_entry(RTL8180_MODULE_NAME, init_net.proc_net);
-#endif
 }
 
 
@@ -3759,18 +3744,11 @@ void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl)
 
 
 //void rtl8180_wmm_param_update(struct net_device *dev,u8 *ac_param)
-#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
 void rtl8180_wmm_param_update(struct work_struct * work)
 {
 	struct ieee80211_device * ieee = container_of(work, struct ieee80211_device,wmm_param_update_wq);
 	//struct r8180_priv *priv = (struct r8180_priv*)(ieee->priv);
 	struct net_device *dev = ieee->dev;
-#else
-void rtl8180_wmm_param_update(struct ieee80211_device *ieee)
-{
-	struct net_device *dev = ieee->dev;
-	struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
 	u8 *ac_param = (u8 *)(ieee->current_network.wmm_param);
 	u8 mode = ieee->current_network.mode;
 	AC_CODING	eACI;
@@ -3872,47 +3850,15 @@ void rtl8180_wmm_param_update(struct ieee80211_device *ieee)
 #endif
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_tx_irq_wq(struct work_struct *work);
-#else
-void rtl8180_tx_irq_wq(struct net_device *dev);
-#endif
-
-
-
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_restart_wq(struct work_struct *work);
 //void rtl8180_rq_tx_ack(struct work_struct *work);
-#else
- void rtl8180_restart_wq(struct net_device *dev);
-//void rtl8180_rq_tx_ack(struct net_device *dev);
-#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_watch_dog_wq(struct work_struct *work);
-#else
-void rtl8180_watch_dog_wq(struct net_device *dev);
-#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_hw_wakeup_wq(struct work_struct *work);
-#else
-void rtl8180_hw_wakeup_wq(struct net_device *dev);
-#endif
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_hw_sleep_wq(struct work_struct *work);
-#else
-void rtl8180_hw_sleep_wq(struct net_device *dev);
-#endif
-
-
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_sw_antenna_wq(struct work_struct *work);
-#else
-void rtl8180_sw_antenna_wq(struct net_device *dev);
-#endif
- void rtl8180_watch_dog(struct net_device *dev);
+void rtl8180_watch_dog(struct net_device *dev);
+
 void watch_dog_adaptive(unsigned long data)
 {
     struct r8180_priv* priv = ieee80211_priv((struct net_device *)data);
@@ -4041,11 +3987,7 @@ static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ie
 #endif
 
 //Add for RF power on power off by lizhaoming 080512
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void GPIOChangeRFWorkItemCallBack(struct work_struct *work);
-#else
-void GPIOChangeRFWorkItemCallBack(struct ieee80211_device *ieee);
-#endif
 
 //YJ,add,080828
 static void rtl8180_statistics_init(struct Stats *pstats)
@@ -4295,7 +4237,6 @@ short rtl8180_init(struct net_device *dev)
 	spin_lock_init(&priv->rf_ps_lock);
 	sema_init(&priv->wx_sem,1);
 	sema_init(&priv->rf_state,1);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 	INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq);
 	INIT_WORK(&priv->tx_irq_wq,(void*) rtl8180_tx_irq_wq);
 	INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8180_hw_wakeup_wq);
@@ -4309,21 +4250,6 @@ short rtl8180_init(struct net_device *dev)
 
 	//add for RF power on power off by lizhaoming 080512
 	INIT_DELAYED_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,(void*) GPIOChangeRFWorkItemCallBack);
-#else
-	INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq,dev);
-	INIT_WORK(&priv->tx_irq_wq,(void*) rtl8180_tx_irq_wq,dev);
-	//INIT_WORK(&priv->ieee80211->watch_dog_wq,(void*) rtl8180_watch_dog_wq,dev);
-	INIT_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8180_hw_wakeup_wq,dev);
-	INIT_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8180_hw_sleep_wq,dev);
-	//INIT_WORK(&priv->ieee80211->sw_antenna_wq,(void*) rtl8180_sw_antenna_wq,dev);
-	INIT_WORK(&priv->ieee80211->wmm_param_update_wq,(void*) rtl8180_wmm_param_update,priv->ieee80211);
-    INIT_WORK(&priv->ieee80211->rate_adapter_wq,(void*)rtl8180_rate_adapter,dev);//+by amy 080312
-	INIT_WORK(&priv->ieee80211->hw_dig_wq,(void*)rtl8180_hw_dig_wq,dev);//+by amy 080312
-	INIT_WORK(&priv->ieee80211->tx_pw_wq,(void*)rtl8180_tx_pw_wq,dev);//+by amy 080312
-
-	//add for RF power on power off by lizhaoming 080512
-	INIT_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,(void*) GPIOChangeRFWorkItemCallBack, priv->ieee80211);
-#endif
 	//INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq,dev);
 
 	tasklet_init(&priv->irq_rx_tasklet,
@@ -5401,7 +5327,7 @@ LeisurePSLeave(
 		}
 	}
 }
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
+
 void rtl8180_hw_wakeup_wq (struct work_struct *work)
 {
 //	struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
@@ -5410,11 +5336,6 @@ void rtl8180_hw_wakeup_wq (struct work_struct *work)
 	struct delayed_work *dwork = to_delayed_work(work);
 	struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
 	struct net_device *dev = ieee->dev;
-#else
-void rtl8180_hw_wakeup_wq(struct net_device *dev)
-{
-	struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
 
 //	printk("dev is %d\n",dev);
 //	printk("&*&(^*(&(&=========>%s()\n", __func__);
@@ -5422,7 +5343,6 @@ void rtl8180_hw_wakeup_wq(struct net_device *dev)
 
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_hw_sleep_wq (struct work_struct *work)
 {
 //      struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
@@ -5431,11 +5351,6 @@ void rtl8180_hw_sleep_wq (struct work_struct *work)
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
         struct net_device *dev = ieee->dev;
-#else
-void rtl8180_hw_sleep_wq(struct net_device *dev)
-{
-        struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
 
         rtl8180_hw_sleep_down(dev);
 }
@@ -5700,16 +5615,11 @@ int rtl8180_down(struct net_device *dev)
 	return 0;
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_restart_wq(struct work_struct *work)
 {
 	struct r8180_priv *priv = container_of(work, struct r8180_priv, reset_wq);
 	struct net_device *dev = priv->dev;
-#else
-void rtl8180_restart_wq(struct net_device *dev)
-{
-	struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
+
 	down(&priv->wx_sem);
 
 	rtl8180_commit(dev);
@@ -5876,9 +5786,6 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 	priv = ieee80211_priv(dev);
 	priv->ieee80211 = netdev_priv(dev);
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-        SET_MODULE_OWNER(dev);
-#endif
 	pci_set_drvdata(pdev, dev);
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
@@ -6117,11 +6024,7 @@ static int __init rtl8180_pci_module_init(void)
 	DMESG("Wireless extensions version %d", WIRELESS_EXT);
 	rtl8180_proc_module_init();
 
-#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22))
-      if(0!=pci_module_init(&rtl8180_pci_driver))
-#else
       if(0!=pci_register_driver(&rtl8180_pci_driver))
-#endif
 	//if(0!=pci_module_init(&rtl8180_pci_driver))
 	{
 		DMESG("No device found");
@@ -6378,7 +6281,6 @@ priv->txnpring)/8);
 
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_tx_irq_wq(struct work_struct *work)
 {
 	//struct r8180_priv *priv = container_of(work, struct r8180_priv, reset_wq);
@@ -6386,11 +6288,7 @@ void rtl8180_tx_irq_wq(struct work_struct *work)
 	struct ieee80211_device * ieee = (struct ieee80211_device*)
 	                                       container_of(dwork, struct ieee80211_device, watch_dog_wq);
 	struct net_device *dev = ieee->dev;
-#else
-void rtl8180_tx_irq_wq(struct net_device *dev)
-{
-	//struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
+
 	rtl8180_tx_isr(dev,MANAGE_PRIORITY,0);
 }
 irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs)
@@ -6663,19 +6561,12 @@ void rtl8180_irq_rx_tasklet(struct r8180_priv* priv)
 lizhaoming--------------------------- RF power on/power off -----------------
 *****************************************************************************/
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void GPIOChangeRFWorkItemCallBack(struct work_struct *work)
 {
 	//struct delayed_work *dwork = to_delayed_work(work);
 	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, GPIOChangeRFWorkItem.work);
 	struct net_device *dev = ieee->dev;
 	struct r8180_priv *priv = ieee80211_priv(dev);
-#else
-void GPIOChangeRFWorkItemCallBack(struct ieee80211_device *ieee)
-{
-	struct net_device *dev = ieee->dev;
-	struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
 
 	//u16 tmp2byte;
 	u8 btPSR;
@@ -6757,7 +6648,6 @@ void GPIOChangeRFWorkItemCallBack(struct ieee80211_device *ieee)
 
 static u8 read_acadapter_file(char *filename)
 {
-//#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))
 #if 0
 	int fd;
 	char buf[1];
diff --git a/drivers/staging/rtl8187se/r8180_dm.c b/drivers/staging/rtl8187se/r8180_dm.c
index e772f0f6b67c..cdbe88ddaaf2 100644
--- a/drivers/staging/rtl8187se/r8180_dm.c
+++ b/drivers/staging/rtl8187se/r8180_dm.c
@@ -126,7 +126,6 @@ DoTxHighPower(
 //		Because of some event happend, e.g. CCX TPC, High Power Mechanism,
 //		We update Tx power of current channel again.
 //
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_tx_pw_wq (struct work_struct *work)
 {
 //      struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
@@ -135,11 +134,6 @@ void rtl8180_tx_pw_wq (struct work_struct *work)
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,tx_pw_wq);
         struct net_device *dev = ieee->dev;
-#else
-void rtl8180_tx_pw_wq(struct net_device *dev)
-{
-	// struct r8180_priv *priv = ieee80211_priv(dev);
-#endif
 
 //	printk("----> UpdateTxPowerWorkItemCallback()\n");
 
@@ -308,7 +302,6 @@ DynamicInitGain(
 	}
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_hw_dig_wq (struct work_struct *work)
 {
 //      struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
@@ -317,11 +310,6 @@ void rtl8180_hw_dig_wq (struct work_struct *work)
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_dig_wq);
         struct net_device *dev = ieee->dev;
-#else
-void rtl8180_hw_dig_wq(struct net_device *dev)
-{
-
-#endif
 	struct r8180_priv *priv = ieee80211_priv(dev);
 
 	// Read CCK and OFDM False Alarm.
@@ -1245,19 +1233,13 @@ SetInitialGain:
 	priv->LastTxThroughput = TxThroughput;
 	priv->ieee80211->rate = priv->CurrentOperaRate * 5;
 }
-
 #endif
-#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
+
 void rtl8180_rate_adapter(struct work_struct * work)
 {
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,rate_adapter_wq);
         struct net_device *dev = ieee->dev;
-#else
-void rtl8180_rate_adapter(struct net_device *dev)
-{
-
-#endif
         //struct r8180_priv *priv = ieee80211_priv(dev);
 //    DMESG("---->rtl8180_rate_adapter");
         StaRateAdaptive87SE(dev);
diff --git a/drivers/staging/rtl8187se/r8180_dm.h b/drivers/staging/rtl8187se/r8180_dm.h
index b2736c8e521d..84f46728c3de 100644
--- a/drivers/staging/rtl8187se/r8180_dm.h
+++ b/drivers/staging/rtl8187se/r8180_dm.h
@@ -11,30 +11,12 @@ void SwAntennaDiversity(struct net_device *dev	);
 void SwAntennaDiversityTimerCallback(struct net_device *dev);
 bool CheckDig(struct net_device *dev);
 bool CheckHighPower(struct net_device *dev);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_hw_dig_wq (struct work_struct *work);
-#else
-void rtl8180_hw_dig_wq(struct net_device *dev);
-#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
 void rtl8180_tx_pw_wq (struct work_struct *work);
-#else
-void rtl8180_tx_pw_wq(struct net_device *dev);
-#endif
-#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
 void rtl8180_rate_adapter(struct work_struct * work);
-
-#else
-void rtl8180_rate_adapter(struct net_device *dev);
-
-#endif
 void TxPwrTracking87SE(struct net_device *dev);
 bool CheckTxPwrTracking(struct net_device *dev);
-#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
 void rtl8180_rate_adapter(struct work_struct * work);
-#else
-void rtl8180_rate_adapter(struct net_device *dev);
-#endif
 void timer_rate_adaptive(unsigned long data);