iwlwifi: kill iwl4965_fill_rs_info

iwl4965_fill_rs_info was used in sysfs. This info is already present
in iwl-agn-rs debugfs.

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>

3 files changed, 0 insertions, 111 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index eee22c6dec73..0e8100e70620 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2600,98 +2600,6 @@ static struct rate_control_ops rs_ops = {
 #endif
 };
 
-int iwl4965_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id)
-{
-        struct ieee80211_local *local = hw_to_local(hw);
-        struct iwl_priv *priv = hw->priv;
-        struct iwl_lq_sta *lq_sta;
-        struct sta_info *sta;
-        int cnt = 0, i;
-        u32 samples = 0, success = 0, good = 0;
-        unsigned long now = jiffies;
-        u32 max_time = 0;
-        u8 lq_type, antenna;
-
-        rcu_read_lock();
-
-        sta = sta_info_get(local, priv->stations[sta_id].sta.sta.addr);
-        if (!sta || !sta->rate_ctrl_priv) {
-                if (sta)
-                        IWL_DEBUG_RATE("leave - no private rate data!\n");
-                else
-                        IWL_DEBUG_RATE("leave - no station!\n");
-                rcu_read_unlock();
-                return sprintf(buf, "station %d not found\n", sta_id);
-        }
-
-        lq_sta = (void *)sta->rate_ctrl_priv;
-
-        lq_type = lq_sta->lq_info[lq_sta->active_tbl].lq_type;
-        antenna = lq_sta->lq_info[lq_sta->active_tbl].ant_type;
-
-        if (is_legacy(lq_type))
-                i = IWL_RATE_54M_INDEX;
-        else
-                i = IWL_RATE_60M_INDEX;
-        while (1) {
-                u64 mask;
-                int j;
-                int active = lq_sta->active_tbl;
-
-                cnt +=
-                    sprintf(&buf[cnt], " %2dMbs: ", iwl_rates[i].ieee / 2);
-
-                mask = (1ULL << (IWL_RATE_MAX_WINDOW - 1));
-                for (j = 0; j < IWL_RATE_MAX_WINDOW; j++, mask >>= 1)
-                        buf[cnt++] =
-                                (lq_sta->lq_info[active].win[i].data & mask)
-                                ? '1' : '0';
-
-                samples += lq_sta->lq_info[active].win[i].counter;
-                good += lq_sta->lq_info[active].win[i].success_counter;
-                success += lq_sta->lq_info[active].win[i].success_counter *
-                           iwl_rates[i].ieee;
-
-                if (lq_sta->lq_info[active].win[i].stamp) {
-                        int delta =
-                                   jiffies_to_msecs(now -
-                                   lq_sta->lq_info[active].win[i].stamp);
-
-                        if (delta > max_time)
-                                max_time = delta;
-
-                        cnt += sprintf(&buf[cnt], "%5dms\n", delta);
-                } else
-                        buf[cnt++] = '\n';
-
-                j = iwl4965_get_prev_ieee_rate(i);
-                if (j == i)
-                        break;
-                i = j;
-        }
-
-        /*
-         * Display the average rate of all samples taken.
-         * NOTE: We multiply # of samples by 2 since the IEEE measurement
-         * added from iwl_rates is actually 2X the rate.
-         */
-        if (samples)
-                cnt += sprintf(&buf[cnt],
-                         "\nAverage rate is %3d.%02dMbs over last %4dms\n"
-                         "%3d%% success (%d good packets over %d tries)\n",
-                         success / (2 * samples), (success * 5 / samples) % 10,
-                         max_time, good * 100 / samples, good, samples);
-        else
-                cnt += sprintf(&buf[cnt], "\nAverage rate: 0Mbs\n");
-
-        cnt += sprintf(&buf[cnt], "\nrate scale type %d antenna %d "
-                         "active_search %d rate index %d\n", lq_type, antenna,
-                         lq_sta->search_better_tbl, sta->last_txrate_idx);
-
-        rcu_read_unlock();
-        return cnt;
-}
-
 int iwlagn_rate_control_register(void)
 {
         return ieee80211_rate_control_register(&rs_ops);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
index 3b06c9da77e3..84d4d1e33755 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h
@@ -287,15 +287,6 @@ static inline u8 iwl4965_get_prev_ieee_rate(u8 rate_index)
 }
 
 /**
- * iwl4965_fill_rs_info - Fill an output text buffer with the rate representation
- *
- * NOTE:  This is provided as a quick mechanism for a user to visualize
- * the performance of the rate control algorithm and is not meant to be
- * parsed software.
- */
-extern int iwl4965_fill_rs_info(struct ieee80211_hw *, char *buf, u8 sta_id);
-
-/**
  * iwl4965_rate_control_register - Register the rate control algorithm callbacks
  *
  * Since the rate control algorithm is hardware specific, there is no need
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index dcd11e9bd86c..9db6aac02185 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -3687,15 +3687,6 @@ static ssize_t show_temperature(struct device *d,
 
 static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL);
 
-static ssize_t show_rs_window(struct device *d,
-                              struct device_attribute *attr,
-                              char *buf)
-{
-        struct iwl_priv *priv = d->driver_data;
-        return iwl4965_fill_rs_info(priv->hw, buf, IWL_AP_ID);
-}
-static DEVICE_ATTR(rs_window, S_IRUGO, show_rs_window, NULL);
-
 static ssize_t show_tx_power(struct device *d,
                              struct device_attribute *attr, char *buf)
 {
@@ -4118,7 +4109,6 @@ static struct attribute *iwl4965_sysfs_entries[] = {
 #endif
         &dev_attr_power_level.attr,
         &dev_attr_retry_rate.attr,
-        &dev_attr_rs_window.attr,
         &dev_attr_statistics.attr,
         &dev_attr_status.attr,
         &dev_attr_temperature.attr,