mac80211: remove dynamic PS driver interface

The functions were added for some sort of Bluetooth
coexistence, but aren't used, so remove them again.

Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b9e0246..8d25769 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1695,15 +1695,6 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
  * dynamic PS feature in stack and will just keep %IEEE80211_CONF_PS
  * enabled whenever user has enabled powersave.
  *
- * Some hardware need to toggle a single shared antenna between WLAN and
- * Bluetooth to facilitate co-existence. These types of hardware set
- * limitations on the use of host controlled dynamic powersave whenever there
- * is simultaneous WLAN and Bluetooth traffic. For these types of hardware, the
- * driver may request temporarily going into full power save, in order to
- * enable toggling the antenna between BT and WLAN. If the driver requests
- * disabling dynamic powersave, the @dynamic_ps_timeout value will be
- * temporarily set to zero until the driver re-enables dynamic powersave.
- *
  * Driver informs U-APSD client support by enabling
  * %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the
  * uapsd paramater in conf_tx() operation. Hardware needs to send the QoS
@@ -3938,36 +3929,6 @@ void ieee80211_connection_loss(struct ieee80211_vif *vif);
  */
 void ieee80211_resume_disconnect(struct ieee80211_vif *vif);
 
-/**
- * ieee80211_disable_dyn_ps - force mac80211 to temporarily disable dynamic psm
- *
- * @vif: &struct ieee80211_vif pointer from the add_interface callback.
- *
- * Some hardware require full power save to manage simultaneous BT traffic
- * on the WLAN frequency. Full PSM is required periodically, whenever there are
- * burst of BT traffic. The hardware gets information of BT traffic via
- * hardware co-existence lines, and consequentially requests mac80211 to
- * (temporarily) enter full psm.
- * This function will only temporarily disable dynamic PS, not enable PSM if
- * it was not already enabled.
- * The driver must make sure to re-enable dynamic PS using
- * ieee80211_enable_dyn_ps() if the driver has disabled it.
- *
- */
-void ieee80211_disable_dyn_ps(struct ieee80211_vif *vif);
-
-/**
- * ieee80211_enable_dyn_ps - restore dynamic psm after being disabled
- *
- * @vif: &struct ieee80211_vif pointer from the add_interface callback.
- *
- * This function restores dynamic PS after being temporarily disabled via
- * ieee80211_disable_dyn_ps(). Each ieee80211_disable_dyn_ps() call must
- * be coupled with an eventual call to this function.
- *
- */
-void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif);
-
 /**
  * ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring
  *     rssi threshold triggered

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d794856..fafeb30 100644 (file)
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1099,8 +1099,6 @@ struct ieee80211_local {
         * this will override whatever chosen by mac80211 internally.
         */
        int dynamic_ps_forced_timeout;
-       int dynamic_ps_user_timeout;
-       bool disable_dynamic_ps;
 
        int user_power_level; /* in dBm, for all interfaces */
 

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a29d09c..1e7662c 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -951,39 +951,6 @@ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
        return 0;
 }
 
-void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
-{
-       struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
-       struct ieee80211_local *local = sdata->local;
-       struct ieee80211_conf *conf = &local->hw.conf;
-
-       WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION ||
-               !(local->hw.flags & IEEE80211_HW_SUPPORTS_PS) ||
-               (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS));
-
-       local->disable_dynamic_ps = false;
-       conf->dynamic_ps_timeout = local->dynamic_ps_user_timeout;
-}
-EXPORT_SYMBOL(ieee80211_enable_dyn_ps);
-
-void ieee80211_disable_dyn_ps(struct ieee80211_vif *vif)
-{
-       struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
-       struct ieee80211_local *local = sdata->local;
-       struct ieee80211_conf *conf = &local->hw.conf;
-
-       WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION ||
-               !(local->hw.flags & IEEE80211_HW_SUPPORTS_PS) ||
-               (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS));
-
-       local->disable_dynamic_ps = true;
-       conf->dynamic_ps_timeout = 0;
-       del_timer_sync(&local->dynamic_ps_timer);
-       ieee80211_queue_work(&local->hw,
-                            &local->dynamic_ps_enable_work);
-}
-EXPORT_SYMBOL(ieee80211_disable_dyn_ps);
-
 /* powersave */
 static void ieee80211_enable_ps(struct ieee80211_local *local,
                                struct ieee80211_sub_if_data *sdata)
@@ -1086,7 +1053,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
        }
 
        if (count == 1 && ieee80211_powersave_allowed(found)) {
-               struct ieee80211_conf *conf = &local->hw.conf;
                s32 beaconint_us;
 
                if (latency < 0)
@@ -1110,10 +1076,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
                        else
                                timeout = 100;
                }
-               local->dynamic_ps_user_timeout = timeout;
-               if (!local->disable_dynamic_ps)
-                       conf->dynamic_ps_timeout =
-                               local->dynamic_ps_user_timeout;
+               local->hw.conf.dynamic_ps_timeout = timeout;
 
                if (beaconint_us > latency) {
                        local->ps_sdata = NULL;
@@ -1183,8 +1146,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
        if (local->hw.conf.flags & IEEE80211_CONF_PS)
                return;
 
-       if (!local->disable_dynamic_ps &&
-           local->hw.conf.dynamic_ps_timeout > 0) {
+       if (local->hw.conf.dynamic_ps_timeout > 0) {
                /* don't enter PS if TX frames are pending */
                if (drv_tx_frames_pending(local)) {
                        mod_timer(&local->dynamic_ps_timer, jiffies +