iwlwifi: remove priv->active_rate_basic

This variable is assigned a default value,
but then assigned zero as soon as mac80211
calls a change channel (which will happen
right after the hw is started) and after
that it never changes again.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>

6 files changed, 10 insertions, 50 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 696e668b801d..84271cc62afa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -597,10 +597,6 @@ static u16 rs_get_supported_rates(struct iwl_lq_sta *lq_sta,
                                   struct ieee80211_hdr *hdr,
                                   enum iwl_table_type rate_type)
 {
-        if (hdr && is_multicast_ether_addr(hdr->addr1) &&
-            lq_sta->active_rate_basic)
-                return lq_sta->active_rate_basic;
-
         if (is_legacy(rate_type)) {
                 return lq_sta->active_legacy_rate;
         } else {
@@ -2552,7 +2548,6 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
         lq_sta->missed_rate_counter = IWL_MISSED_RATE_MAX;
         lq_sta->is_green = rs_use_green(sta, &priv->current_ht_config);
         lq_sta->active_legacy_rate = priv->active_rate & ~(0x1000);
-        lq_sta->active_rate_basic = priv->active_rate_basic;
         lq_sta->band = priv->band;
         /*
          * active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3),
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
index e71923961e69..e182f5a0f736 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
@@ -411,7 +411,6 @@ struct iwl_lq_sta {
         u16 active_siso_rate;
         u16 active_mimo2_rate;
         u16 active_mimo3_rate;
-        u16 active_rate_basic;
         s8 max_rate_idx;     /* Max rate set by user */
         u8 missed_rate_counter;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index e7e4bf71568c..fbbe99859662 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2104,7 +2104,6 @@ static void iwl_alive_start(struct iwl_priv *priv)
         ieee80211_wake_queues(priv->hw);
 
         priv->active_rate = IWL_RATES_MASK;
-        priv->active_rate_basic = IWL_RATES_MASK & IWL_BASIC_RATES_MASK;
 
         /* Configure Tx antenna selection based on H/W config */
         if (priv->cfg->ops->hcmd->set_tx_ant)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 1cfcc9fe9dc3..8e8f5282c01c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -897,23 +897,10 @@ EXPORT_SYMBOL(iwl_full_rxon_required);
 
 u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv)
 {
-        int i;
-        int rate_mask;
-
-        /* Set rate mask*/
-        if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
-                rate_mask = priv->active_rate_basic & IWL_CCK_RATES_MASK;
-        else
-                rate_mask = priv->active_rate_basic & IWL_OFDM_RATES_MASK;
-
-        /* Find lowest valid rate */
-        for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID;
-                                        i = iwl_rates[i].next_ieee) {
-                if (rate_mask & (1 << i))
-                        return iwl_rates[i].plcp;
-        }
-
-        /* No valid rate was found. Assign the lowest one */
+        /*
+         * Assign the lowest rate -- should really get this from
+         * the beacon skb from mac80211.
+         */
         if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
                 return IWL_RATE_1M_PLCP;
         else
@@ -1272,7 +1259,6 @@ static void iwl_set_rate(struct iwl_priv *priv)
         }
 
         priv->active_rate = 0;
-        priv->active_rate_basic = 0;
 
         for (i = 0; i < hw->n_bitrates; i++) {
                 rate = &(hw->bitrates[i]);
@@ -1280,30 +1266,13 @@ static void iwl_set_rate(struct iwl_priv *priv)
                         priv->active_rate |= (1 << rate->hw_value);
         }
 
-        IWL_DEBUG_RATE(priv, "Set active_rate = %0x, active_rate_basic = %0x\n",
-                       priv->active_rate, priv->active_rate_basic);
+        IWL_DEBUG_RATE(priv, "Set active_rate = %0x\n", priv->active_rate);
 
-        /*
-         * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK)
-         * otherwise set it to the default of all CCK rates and 6, 12, 24 for
-         * OFDM
-         */
-        if (priv->active_rate_basic & IWL_CCK_BASIC_RATES_MASK)
-                priv->staging_rxon.cck_basic_rates =
-                    ((priv->active_rate_basic &
-                      IWL_CCK_RATES_MASK) >> IWL_FIRST_CCK_RATE) & 0xF;
-        else
-                priv->staging_rxon.cck_basic_rates =
-                    (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
-
-        if (priv->active_rate_basic & IWL_OFDM_BASIC_RATES_MASK)
-                priv->staging_rxon.ofdm_basic_rates =
-                    ((priv->active_rate_basic &
-                      (IWL_OFDM_BASIC_RATES_MASK | IWL_RATE_6M_MASK)) >>
-                      IWL_FIRST_OFDM_RATE) & 0xFF;
-        else
-                priv->staging_rxon.ofdm_basic_rates =
-                   (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+        priv->staging_rxon.cck_basic_rates =
+            (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
+
+        priv->staging_rxon.ofdm_basic_rates =
+           (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
 }
 
 void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 4d6558fbebe5..ba404b99f4fe 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1168,7 +1168,6 @@ struct iwl_priv {
         u64 led_tpt;
 
         u16 active_rate;
-        u16 active_rate_basic;
 
         u8 assoc_station_added;
         u8 start_calib;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b2b050592bc1..9cc15f96d208 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2509,7 +2509,6 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
         ieee80211_wake_queues(priv->hw);
 
         priv->active_rate = IWL_RATES_MASK;
-        priv->active_rate_basic = IWL_RATES_MASK & IWL_BASIC_RATES_MASK;
 
         iwl_power_update_mode(priv, true);