iwlwifi: remove obsolete lq_ready use

This patch removes the use of lq_ready, once used to sync between link
quality commands to avoid race conditions, but no longer needed as
bss_info_changed is in use.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index 2023031..c2f21d7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -822,9 +822,6 @@
 
 	lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv;
 
-	if (!priv->lq_mngr.lq_ready)
-		goto out;
-
 	if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
 	    !lq_sta->ibss_sta_added)
 		goto out;
@@ -1678,10 +1675,6 @@
 	if (!sta || !sta->rate_ctrl_priv)
 		return;
 
-	if (!priv->lq_mngr.lq_ready) {
-		IWL_DEBUG_RATE("still rate scaling not ready\n");
-		return;
-	}
 	lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv;
 
 	tid = rs_tl_add_packet(lq_sta, hdr);
@@ -2279,9 +2272,6 @@
 	lq_sta->drv = priv;
 #endif
 
-	if (priv->assoc_station_added)
-		priv->lq_mngr.lq_ready = 1;
-
 	rs_initialize_lq(priv, conf, sta);
 }
 
@@ -2421,7 +2411,7 @@
 
 	IWL_DEBUG_RATE("enter\n");
 
-	priv->lq_mngr.lq_ready = 0;
+	/* TODO - add rate scale state reset */
 
 	IWL_DEBUG_RATE("leave\n");
 }
@@ -2716,13 +2706,6 @@
 	return cnt;
 }
 
-void iwl4965_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	priv->lq_mngr.lq_ready = 1;
-}
-
 int iwl4965_rate_control_register(void)
 {
 	return ieee80211_rate_control_register(&rs_ops);