/* +by amy 080312. */
 #define RATE_ADAPTIVE_TIMER_PERIOD 300
 
-typedef enum _WIRELESS_MODE {
+enum wireless_mode {
        WIRELESS_MODE_UNKNOWN = 0x00,
        WIRELESS_MODE_A = 0x01,
        WIRELESS_MODE_B = 0x02,
        WIRELESS_MODE_G = 0x04,
        WIRELESS_MODE_AUTO = 0x08,
-} WIRELESS_MODE;
+};
 
 struct chnl_access_setting {
        u16 sifs_timer;
 
  * Map dBm into Tx power index according to current HW model, for example,
  * RF and PA, and current wireless mode.
  */
-static s8 DbmToTxPwrIdx(struct r8180_priv *priv, WIRELESS_MODE WirelessMode,
-                       s32 PowerInDbm)
+static s8 DbmToTxPwrIdx(struct r8180_priv *priv,
+                       enum wireless_mode mode, s32 PowerInDbm)
 {
        bool bUseDefault = true;
        s8 TxPwrIdx = 0;
         */
        s32 tmp = 0;
 
-       if (WirelessMode == WIRELESS_MODE_G) {
+       if (mode == WIRELESS_MODE_G) {
                bUseDefault = false;
                tmp = (2 * PowerInDbm);
 
                        TxPwrIdx = 40;
                else
                        TxPwrIdx = (s8)tmp;
-       } else if (WirelessMode == WIRELESS_MODE_B) {
+       } else if (mode == WIRELESS_MODE_B) {
                bUseDefault = false;
                tmp = (4 * PowerInDbm) - 52;
 
 
 
 static void
 ActUpdateChannelAccessSetting(struct net_device *dev,
-                             WIRELESS_MODE WirelessMode,
+                             enum wireless_mode mode,
                              struct chnl_access_setting *chnl_access_setting)
 {
        AC_CODING       eACI;
         * wireless mode if we switch to specified band successfully.
         */
 
-       ieee->mode = (WIRELESS_MODE)btWirelessMode;
+       ieee->mode = (enum wireless_mode)btWirelessMode;
 
        /* 3. Change related setting. */
        if (ieee->mode == WIRELESS_MODE_A)
 
                /* Initialize RegWirelessMode if it is not a valid one. */
                if (bInvalidWirelessMode)
-                       ieee->mode = (WIRELESS_MODE)InitWirelessMode;
+                       ieee->mode = (enum wireless_mode)InitWirelessMode;
 
        } else {
        /* One of B, G, A. */