1 files changed, 41 insertions, 89 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index f7baa406918b..9f49a3251d4d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -231,6 +231,19 @@ static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
         }
 }
 
+static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
+                                                struct ieee80211_hw *hw)
+{
+        struct ieee80211_channel *curchan = hw->conf.channel;
+        struct ath9k_channel *channel;
+        u8 chan_idx;
+
+        chan_idx = curchan->hw_value;
+        channel = &sc->sc_ah->channels[chan_idx];
+        ath9k_update_ichannel(sc, hw, channel);
+        return channel;
+}
+
 /*
  * Set/change channels.  If the channel is really being changed, it's done
  * by reseting the chip.  To accomplish this we must first cleanup any pending
@@ -283,7 +296,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
                         "reset status %d\n",
                         channel->center_freq, r);
                 spin_unlock_bh(&sc->sc_resetlock);
-                return r;
+                goto ps_restore;
         }
         spin_unlock_bh(&sc->sc_resetlock);
 
@@ -292,14 +305,17 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
         if (ath_startrecv(sc) != 0) {
                 DPRINTF(sc, ATH_DBG_FATAL,
                         "Unable to restart recv logic\n");
-                return -EIO;
+                r = -EIO;
+                goto ps_restore;
         }
 
         ath_cache_conf_rate(sc, &hw->conf);
         ath_update_txpow(sc);
         ath9k_hw_set_interrupts(ah, sc->imask);
+
+ ps_restore:
         ath9k_ps_restore(sc);
-        return 0;
+        return r;
 }
 
 /*
@@ -1110,6 +1126,9 @@ void ath_radio_enable(struct ath_softc *sc)
         ath9k_ps_wakeup(sc);
         ath9k_hw_configpcipowersave(ah, 0);
 
+        if (!ah->curchan)
+                ah->curchan = ath_get_curchannel(sc, sc->hw);
+
         spin_lock_bh(&sc->sc_resetlock);
         r = ath9k_hw_reset(ah, ah->curchan, false);
         if (r) {
@@ -1162,6 +1181,9 @@ void ath_radio_disable(struct ath_softc *sc)
         ath_stoprecv(sc);               /* turn off frame recv */
         ath_flushrecv(sc);              /* flush recv queue */
 
+        if (!ah->curchan)
+                ah->curchan = ath_get_curchannel(sc, sc->hw);
+
         spin_lock_bh(&sc->sc_resetlock);
         r = ath9k_hw_reset(ah, ah->curchan, false);
         if (r) {
@@ -1178,8 +1200,6 @@ void ath_radio_disable(struct ath_softc *sc)
         ath9k_ps_restore(sc);
 }
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-
 /*******************/
 /*      Rfkill     */
 /*******************/
@@ -1192,81 +1212,27 @@ static bool ath_is_rfkill_set(struct ath_softc *sc)
                                   ah->rfkill_polarity;
 }
 
-/* s/w rfkill handlers */
-static int ath_rfkill_set_block(void *data, bool blocked)
+static void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
 {
-        struct ath_softc *sc = data;
-
-        if (blocked)
-                ath_radio_disable(sc);
-        else
-                ath_radio_enable(sc);
-
-        return 0;
-}
-
-static void ath_rfkill_poll_state(struct rfkill *rfkill, void *data)
-{
-        struct ath_softc *sc = data;
+        struct ath_wiphy *aphy = hw->priv;
+        struct ath_softc *sc = aphy->sc;
         bool blocked = !!ath_is_rfkill_set(sc);
 
-        if (rfkill_set_hw_state(rfkill, blocked))
+        wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
+
+        if (blocked)
                 ath_radio_disable(sc);
         else
                 ath_radio_enable(sc);
 }
 
-/* Init s/w rfkill */
-static int ath_init_sw_rfkill(struct ath_softc *sc)
-{
-        sc->rf_kill.ops.set_block = ath_rfkill_set_block;
-        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
-                sc->rf_kill.ops.poll = ath_rfkill_poll_state;
-
-        snprintf(sc->rf_kill.rfkill_name, sizeof(sc->rf_kill.rfkill_name),
-                "ath9k-%s::rfkill", wiphy_name(sc->hw->wiphy));
-
-        sc->rf_kill.rfkill = rfkill_alloc(sc->rf_kill.rfkill_name,
-                                          wiphy_dev(sc->hw->wiphy),
-                                          RFKILL_TYPE_WLAN,
-                                          &sc->rf_kill.ops, sc);
-        if (!sc->rf_kill.rfkill) {
-                DPRINTF(sc, ATH_DBG_FATAL, "Failed to allocate rfkill\n");
-                return -ENOMEM;
-        }
-
-        return 0;
-}
-
-/* Deinitialize rfkill */
-static void ath_deinit_rfkill(struct ath_softc *sc)
-{
-        if (sc->sc_flags & SC_OP_RFKILL_REGISTERED) {
-                rfkill_unregister(sc->rf_kill.rfkill);
-                rfkill_destroy(sc->rf_kill.rfkill);
-                sc->sc_flags &= ~SC_OP_RFKILL_REGISTERED;
-        }
-}
-
-static int ath_start_rfkill_poll(struct ath_softc *sc)
+static void ath_start_rfkill_poll(struct ath_softc *sc)
 {
-        if (!(sc->sc_flags & SC_OP_RFKILL_REGISTERED)) {
-                if (rfkill_register(sc->rf_kill.rfkill)) {
-                        DPRINTF(sc, ATH_DBG_FATAL,
-                                "Unable to register rfkill\n");
-                        rfkill_destroy(sc->rf_kill.rfkill);
-
-                        /* Deinitialize the device */
-                        ath_cleanup(sc);
-                        return -EIO;
-                } else {
-                        sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
-                }
-        }
+        struct ath_hw *ah = sc->sc_ah;
 
-        return 0;
+        if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+                wiphy_rfkill_start_polling(sc->hw->wiphy);
 }
-#endif /* CONFIG_RFKILL */
 
 void ath_cleanup(struct ath_softc *sc)
 {
@@ -1286,9 +1252,6 @@ void ath_detach(struct ath_softc *sc)
 
         DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-        ath_deinit_rfkill(sc);
-#endif
         ath_deinit_leds(sc);
         cancel_work_sync(&sc->chan_work);
         cancel_delayed_work_sync(&sc->wiphy_work);
@@ -1626,13 +1589,6 @@ int ath_attach(u16 devid, struct ath_softc *sc)
         if (error != 0)
                 goto error_attach;
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-        /* Initialize s/w rfkill */
-        error = ath_init_sw_rfkill(sc);
-        if (error)
-                goto error_attach;
-#endif
-
         INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
         INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
         sc->wiphy_scheduler_int = msecs_to_jiffies(500);
@@ -1648,6 +1604,7 @@ int ath_attach(u16 devid, struct ath_softc *sc)
         /* Initialize LED control */
         ath_init_leds(sc);
 
+        ath_start_rfkill_poll(sc);
 
         return 0;
 
@@ -1920,7 +1877,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
         struct ath_softc *sc = aphy->sc;
         struct ieee80211_channel *curchan = hw->conf.channel;
         struct ath9k_channel *init_channel;
-        int r, pos;
+        int r;
 
         DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with "
                 "initial channel: %d MHz\n", curchan->center_freq);
@@ -1950,11 +1907,9 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
         /* setup initial channel */
 
-        pos = curchan->hw_value;
+        sc->chan_idx = curchan->hw_value;
 
-        sc->chan_idx = pos;
-        init_channel = &sc->sc_ah->channels[pos];
-        ath9k_update_ichannel(sc, hw, init_channel);
+        init_channel = ath_get_curchannel(sc, hw);
 
         /* Reset SERDES registers */
         ath9k_hw_configpcipowersave(sc->sc_ah, 0);
@@ -2018,10 +1973,6 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
         ieee80211_wake_queues(hw);
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-        r = ath_start_rfkill_poll(sc);
-#endif
-
 mutex_unlock:
         mutex_unlock(&sc->mutex);
 
@@ -2159,7 +2110,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
         } else
                 sc->rx.rxlink = NULL;
 
-        rfkill_pause_polling(sc->rf_kill.rfkill);
+        wiphy_rfkill_stop_polling(sc->hw->wiphy);
 
         /* disable HAL and put h/w to sleep */
         ath9k_hw_disable(sc->sc_ah);
@@ -2765,6 +2716,7 @@ struct ieee80211_ops ath9k_ops = {
         .ampdu_action       = ath9k_ampdu_action,
         .sw_scan_start      = ath9k_sw_scan_start,
         .sw_scan_complete   = ath9k_sw_scan_complete,
+        .rfkill_poll        = ath9k_rfkill_poll_state,
 };
 
 static struct {