rtlwifi: rtl8192cu: Remove unused parameter

rtl_ps_set_rf_state's protect_or_not parameter is not set to
true anywhere, except for commented out code.

It enables some legacy locking code, which is no longer used,
so delete the parameter and the old locking code.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 59 deletions

diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index d14c13d..3eb039a 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -79,53 +79,12 @@ EXPORT_SYMBOL(rtl_ps_disable_nic);
 
 bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
 			 enum rf_pwrstate state_toset,
-			 u32 changesource, bool protect_or_not)
+			 u32 changesource)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 	bool actionallowed = false;
-	u16 rfwait_cnt = 0;
 
-	/*protect_or_not = true; */
-
-	if (protect_or_not)
-		goto no_protect;
-
-	/*
-	 *Only one thread can change
-	 *the RF state at one time, and others
-	 *should wait to be executed.
-	 */
-	while (true) {
-		spin_lock(&rtlpriv->locks.rf_ps_lock);
-		if (ppsc->rfchange_inprogress) {
-			spin_unlock(&rtlpriv->locks.rf_ps_lock);
-
-			RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
-				 ("RF Change in progress!"
-				  "Wait to set..state_toset(%d).\n",
-				  state_toset));
-
-			/* Set RF after the previous action is done.  */
-			while (ppsc->rfchange_inprogress) {
-				rfwait_cnt++;
-				mdelay(1);
-
-				/*
-				 *Wait too long, return false to avoid
-				 *to be stuck here.
-				 */
-				if (rfwait_cnt > 100)
-					return false;
-			}
-		} else {
-			ppsc->rfchange_inprogress = true;
-			spin_unlock(&rtlpriv->locks.rf_ps_lock);
-			break;
-		}
-	}
-
-no_protect:
 	switch (state_toset) {
 	case ERFON:
 		ppsc->rfoff_reason &= (~changesource);
@@ -167,12 +126,6 @@ no_protect:
 	if (actionallowed)
 		rtlpriv->cfg->ops->set_rf_power_state(hw, state_toset);
 
-	if (!protect_or_not) {
-		spin_lock(&rtlpriv->locks.rf_ps_lock);
-		ppsc->rfchange_inprogress = false;
-		spin_unlock(&rtlpriv->locks.rf_ps_lock);
-	}
-
 	return actionallowed;
 }
 EXPORT_SYMBOL(rtl_ps_set_rf_state);
@@ -195,8 +148,7 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
 		}
 	}
 
-	rtl_ps_set_rf_state(hw, ppsc->inactive_pwrstate,
-			    RF_CHANGE_BY_IPS, false);
+	rtl_ps_set_rf_state(hw, ppsc->inactive_pwrstate, RF_CHANGE_BY_IPS);
 
 	if (ppsc->inactive_pwrstate == ERFOFF &&
 	    rtlhal->interface == INTF_PCI) {
@@ -587,7 +539,7 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
 	}
 
 	spin_lock(&rtlpriv->locks.lps_lock);
-	rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS, false);
+	rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
 	spin_unlock(&rtlpriv->locks.lps_lock);
 }
 
@@ -621,15 +573,8 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
 	if (rtlpriv->link_info.busytraffic)
 		return;
 
-	spin_lock(&rtlpriv->locks.rf_ps_lock);
-	if (rtlpriv->psc.rfchange_inprogress) {
-		spin_unlock(&rtlpriv->locks.rf_ps_lock);
-		return;
-	}
-	spin_unlock(&rtlpriv->locks.rf_ps_lock);
-
 	spin_lock(&rtlpriv->locks.lps_lock);
-	rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS, false);
+	rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
 	spin_unlock(&rtlpriv->locks.lps_lock);
 
 	if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&