staging: rtl8192e: Remove constant variable reg_max_lps_awake_intvl

Remove constant variable reg_max_lps_awake_intvl as this value is just
written to MaxPeriod. Function _rtl92e_init_priv_constant() is then empty
and can be removed as well.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/d5b2ccc0f10c28f960552dd2b2c5ec83aa62041f.1696548527.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -712,15 +712,6 @@ static void _rtl92e_init_priv_handler(struct net_device *dev)
 	priv->rtllib->ScanOperationBackupHandler = rtl92e_scan_op_backup;
 }
 
-static void _rtl92e_init_priv_constant(struct net_device *dev)
-{
-	struct r8192_priv *priv = rtllib_priv(dev);
-	struct rt_pwr_save_ctrl *psc = (struct rt_pwr_save_ctrl *)
-					&priv->rtllib->pwr_save_ctrl;
-
-	psc->reg_max_lps_awake_intvl = 5;
-}
-
 static void _rtl92e_init_priv_variable(struct net_device *dev)
 {
 	struct r8192_priv *priv = rtllib_priv(dev);
@@ -838,7 +829,6 @@ static short _rtl92e_init(struct net_device *dev)
 	memset(&priv->stats, 0, sizeof(struct rt_stats));
 
 	_rtl92e_init_priv_handler(dev);
-	_rtl92e_init_priv_constant(dev);
 	_rtl92e_init_priv_variable(dev);
 	_rtl92e_init_priv_lock(priv);
 	_rtl92e_init_priv_task(dev);

drivers/staging/rtl8192e/rtllib.h

@@ -1079,7 +1079,6 @@ struct rt_pwr_save_ctrl {
 
 	bool				bLeisurePs;
 	u8				LpsIdleCount;
-	u8				reg_max_lps_awake_intvl;
 	u8				LPSAwakeIntvl;
 
 	u32				CurPsLevel;

drivers/staging/rtl8192e/rtllib_softmac.c

@@ -1588,16 +1588,10 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
 		if (ieee->bAwakePktSent) {
 			psc->LPSAwakeIntvl = 1;
 		} else {
-			u8 MaxPeriod = 1;
+			u8 MaxPeriod = 5;
 
 			if (psc->LPSAwakeIntvl == 0)
 				psc->LPSAwakeIntvl = 1;
-			if (psc->reg_max_lps_awake_intvl == 0)
-				MaxPeriod = 1;
-			else if (psc->reg_max_lps_awake_intvl == 0xFF)
-				MaxPeriod = ieee->current_network.dtim_period;
-			else
-				MaxPeriod = psc->reg_max_lps_awake_intvl;
 			psc->LPSAwakeIntvl = (psc->LPSAwakeIntvl >=
 					       MaxPeriod) ? MaxPeriod :
 					       (psc->LPSAwakeIntvl + 1);