iwlwifi: removing IWL4965_HT config

This patch removes CONFIG_IWL4965_HT #ifdefs for iwl 4965 and 5000. 11n
feature is stable in those drivers and its mode of operation is determined
in mac80211, so this dependency is not needed any more.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 45 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index d8f2b4d33fd9..7f9178bf602e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -105,8 +105,6 @@ struct iwl4965_scale_tbl_info {
         struct iwl4965_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */
 };
 
-#ifdef CONFIG_IWL4965_HT
-
 struct iwl4965_traffic_load {
         unsigned long time_stamp;       /* age of the oldest statistics */
         u32 packet_count[TID_QUEUE_MAX_SIZE];   /* packet count in this time
@@ -118,8 +116,6 @@ struct iwl4965_traffic_load {
         u8 head;                        /* start of the circular buffer */
 };
 
-#endif /* CONFIG_IWL4965_HT */
-
 /**
  * struct iwl4965_lq_sta -- driver's rate scaling private structure
  *
@@ -157,16 +153,12 @@ struct iwl4965_lq_sta {
 
         struct iwl_link_quality_cmd lq;
         struct iwl4965_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */
-#ifdef CONFIG_IWL4965_HT
         struct iwl4965_traffic_load load[TID_MAX_LOAD_COUNT];
         u8 tx_agg_tid_en;
-#endif
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct dentry *rs_sta_dbgfs_scale_table_file;
         struct dentry *rs_sta_dbgfs_stats_table_file;
-#ifdef CONFIG_IWL4965_HT
         struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
-#endif
         u32 dbg_fixed_rate;
 #endif
         struct iwl_priv *drv;
@@ -256,7 +248,6 @@ static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type)
         return ((ant_type & valid_antenna) == ant_type);
 }
 
-#ifdef CONFIG_IWL4965_HT
 /*
  *      removes the old data from the statistics. All data that is older than
  *      TID_MAX_TIME_DIFF, will be deleted.
@@ -389,8 +380,6 @@ static void rs_tl_turn_on_agg(struct iwl_priv *priv, u8 tid,
                         rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
 }
 
-#endif /* CONFIG_IWLWIFI_HT */
-
 static inline int get_num_of_ant_from_rate(u32 rate_n_flags)
 {
         return (!!(rate_n_flags & RATE_MCS_ANT_A_MSK) +
@@ -626,7 +615,6 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
 
 /* FIXME:RS: in 4965 we don't use greenfield at all */
 /* FIXME:RS: don't use greenfield for now in TX */
-/* #ifdef CONFIG_IWL4965_HT */
 #if 0
 static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf)
 {
@@ -634,12 +622,11 @@ static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf
                 priv->current_ht_config.is_green_field &&
                 !priv->current_ht_config.non_GF_STA_present);
 }
-#else
+#endif
 static inline u8 rs_use_green(struct iwl_priv *priv, struct ieee80211_conf *conf)
 {
         return 0;
 }
-#endif  /* CONFIG_IWL4965_HT */
 
 /**
  * rs_get_supported_rates - get the available rates
@@ -1050,7 +1037,6 @@ static void rs_set_expected_tpt_table(struct iwl4965_lq_sta *lq_sta,
                 tbl->expected_tpt = expected_tpt_G;
 }
 
-#ifdef CONFIG_IWL4965_HT
 /*
  * Find starting rate for new "search" high-throughput mode of modulation.
  * Goal is to find lowest expected rate (under perfect conditions) that is
@@ -1152,12 +1138,10 @@ static s32 rs_get_best_rate(struct iwl_priv *priv,
 
         return new_rate;
 }
-#endif                          /* CONFIG_IWL4965_HT */
 
 /*
  * Set up search table for MIMO
  */
-#ifdef CONFIG_IWL4965_HT
 static int rs_switch_to_mimo2(struct iwl_priv *priv,
                              struct iwl4965_lq_sta *lq_sta,
                              struct ieee80211_conf *conf,
@@ -1221,16 +1205,6 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
                      tbl->current_rate, is_green);
         return 0;
 }
-#else
-static int rs_switch_to_mimo2(struct iwl_priv *priv,
-                             struct iwl4965_lq_sta *lq_sta,
-                             struct ieee80211_conf *conf,
-                             struct sta_info *sta,
-                             struct iwl4965_scale_tbl_info *tbl, int index)
-{
-        return -1;
-}
-#endif  /*CONFIG_IWL4965_HT */
 
 /*
  * Set up search table for SISO
@@ -1241,7 +1215,6 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
                              struct sta_info *sta,
                              struct iwl4965_scale_tbl_info *tbl, int index)
 {
-#ifdef CONFIG_IWL4965_HT
         u16 rate_mask;
         u8 is_green = lq_sta->is_green;
         s32 rate;
@@ -1291,9 +1264,6 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
         IWL_DEBUG_RATE("LQ: Switch to new mcs %X index is green %X\n",
                      tbl->current_rate, is_green);
         return 0;
-#else
-        return -1;
-#endif  /*CONFIG_IWL4965_HT */
 }
 
 /*
@@ -1689,9 +1659,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
         u8 done_search = 0;
         u16 high_low;
         s32 sr;
-#ifdef CONFIG_IWL4965_HT
         u8 tid = MAX_TID_COUNT;
-#endif
 
         IWL_DEBUG_RATE("rate scale calculate new rate for skb\n");
 
@@ -1712,9 +1680,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
         }
         lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv;
 
-#ifdef CONFIG_IWL4965_HT
         rs_tl_add_packet(lq_sta, hdr);
-#endif
         /*
          * Select rate-scale / modulation-mode table to work with in
          * the rest of this function:  "search" if searching for better
@@ -2013,9 +1979,7 @@ lq_update:
                  * before next round of mode comparisons. */
                 tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
                 if (is_legacy(tbl1->lq_type) &&
-#ifdef CONFIG_IWL4965_HT
                    (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) &&
-#endif
                     (lq_sta->action_counter >= 1)) {
                         lq_sta->action_counter = 0;
                         IWL_DEBUG_RATE("LQ: STAY in legacy table\n");
@@ -2027,14 +1991,12 @@ lq_update:
                  * mode for a while before next round of mode comparisons. */
                 if (lq_sta->enable_counter &&
                     (lq_sta->action_counter >= IWL_ACTION_LIMIT)) {
-#ifdef CONFIG_IWL4965_HT
                         if ((lq_sta->last_tpt > IWL_AGG_TPT_THREHOLD) &&
                             (lq_sta->tx_agg_tid_en & (1 << tid)) &&
                             (tid != MAX_TID_COUNT)) {
                                 IWL_DEBUG_RATE("try to aggregate tid %d\n", tid);
                                 rs_tl_turn_on_agg(priv, tid, lq_sta, sta);
                         }
-#endif /*CONFIG_IWL4965_HT */
                         lq_sta->action_counter = 0;
                         rs_set_stay_in_table(priv, 0, lq_sta);
                 }
@@ -2279,7 +2241,6 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
         lq_sta->active_legacy_rate = priv->active_rate & ~(0x1000);
         lq_sta->active_rate_basic = priv->active_rate_basic;
         lq_sta->band = priv->band;
-#ifdef CONFIG_IWL4965_HT
         /*
          * active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3),
          * supp_rates[] does not; shift to convert format, force 9 MBits off.
@@ -2317,7 +2278,6 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 
         /* as default allow aggregation for all tids */
         lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID;
-#endif /*CONFIG_IWL4965_HT*/
 #ifdef CONFIG_MAC80211_DEBUGFS
         lq_sta->drv = priv;
 #endif
@@ -2635,11 +2595,9 @@ static void rs_add_debugfs(void *priv, void *priv_sta,
         lq_sta->rs_sta_dbgfs_stats_table_file =
                 debugfs_create_file("rate_stats_table", 0600, dir,
                         lq_sta, &rs_sta_dbgfs_stats_table_ops);
-#ifdef CONFIG_IWL4965_HT
         lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file =
                 debugfs_create_u8("tx_agg_tid_enable", 0600, dir,
                 &lq_sta->tx_agg_tid_en);
-#endif
 
 }
 
@@ -2648,9 +2606,7 @@ static void rs_remove_debugfs(void *priv, void *priv_sta)
         struct iwl4965_lq_sta *lq_sta = priv_sta;
         debugfs_remove(lq_sta->rs_sta_dbgfs_scale_table_file);
         debugfs_remove(lq_sta->rs_sta_dbgfs_stats_table_file);
-#ifdef CONFIG_IWL4965_HT
         debugfs_remove(lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file);
-#endif
 }
 #endif