ath9k: add some more minor hw reset related fixes

SVN-Revision: 28129

diff --git a/package/mac80211/patches/581-ath9k_use_reset_work.patch b/package/mac80211/patches/581-ath9k_use_reset_work.patch
index db8d85aeeb2c375f65dca4f88cec4467b20e8019..309da0d8354ac17731ad4bc40fb15bf0a938341f 100644 (file)
--- a/package/mac80211/patches/581-ath9k_use_reset_work.patch
+++ b/package/mac80211/patches/581-ath9k_use_reset_work.patch
@@ -8,7 +8,15 @@
  void ath_hw_check(struct work_struct *work);
  void ath_hw_pll_work(struct work_struct *work);
  void ath_paprd_calibrate(struct work_struct *work);
-@@ -609,6 +610,7 @@ struct ath_softc {
+@@ -559,6 +560,7 @@ struct ath_ant_comb {
+ #define SC_OP_RXFLUSH                BIT(7)
+ #define SC_OP_LED_ASSOCIATED         BIT(8)
+ #define SC_OP_LED_ON                 BIT(9)
++#define SC_OP_HW_RESET               BIT(10)
+ #define SC_OP_TSF_RESET              BIT(11)
+ #define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
+ #define SC_OP_BT_SCAN              BIT(13)
+@@ -609,6 +611,7 @@ struct ath_softc {
        struct mutex mutex;
        struct work_struct paprd_work;
        struct work_struct hw_check_work;
@@ -16,7 +24,7 @@
        struct completion paprd_complete;
  
        unsigned int hw_busy_count;
-@@ -655,7 +657,6 @@ struct ath_softc {
+@@ -655,7 +658,6 @@ struct ath_softc {
  };
  
  void ath9k_tasklet(unsigned long data);
@@ -24,6 +32,19 @@
  int ath_cabq_update(struct ath_softc *);
  
  static inline void ath_read_cachesize(struct ath_common *common, int *csz)
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -386,9 +386,7 @@ void ath_beacon_tasklet(unsigned long da
+                       ath_dbg(common, ATH_DBG_BSTUCK,
+                               "beacon is officially stuck\n");
+                       sc->sc_flags |= SC_OP_TSF_RESET;
+-                      spin_lock(&sc->sc_pcu_lock);
+-                      ath_reset(sc, true);
+-                      spin_unlock(&sc->sc_pcu_lock);
++                      ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
+               }
+ 
+               return;
 --- a/drivers/net/wireless/ath/ath9k/init.c
 +++ b/drivers/net/wireless/ath/ath9k/init.c
 @@ -776,6 +776,7 @@ int ath9k_init_device(u16 devid, struct 
@@ -122,7 +143,7 @@
                return;
        }
  
-@@ -968,7 +898,7 @@ void ath_radio_disable(struct ath_softc 
+@@ -968,13 +898,14 @@ void ath_radio_disable(struct ath_softc 
        ath9k_ps_restore(sc);
  }
  
@@ -131,7 +152,14 @@
  {
        struct ath_hw *ah = sc->sc_ah;
        struct ath_common *common = ath9k_hw_common(ah);
-@@ -1035,6 +965,84 @@ int ath_reset(struct ath_softc *sc, bool
+       struct ieee80211_hw *hw = sc->hw;
+       int r;
+ 
++      sc->sc_flags &= ~SC_OP_HW_RESET;
+       sc->hw_busy_count = 0;
+ 
+       /* Stop ANI */
+@@ -1035,6 +966,84 @@ int ath_reset(struct ath_softc *sc, bool
        return r;
  }
  
@@ -218,16 +246,30 @@
  /**********************/
 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -601,7 +601,7 @@ static void ath_tx_complete_aggr(struct 
+@@ -600,8 +600,10 @@ static void ath_tx_complete_aggr(struct 
+ 
        rcu_read_unlock();
  
-       if (needreset)
+-      if (needreset)
 -              ath_reset(sc, false);
++      if (needreset) {
++              sc->sc_flags |= SC_OP_HW_RESET;
 +              ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
++      }
  }
  
  static bool ath_lookup_legacy(struct ath_buf *bf)
-@@ -2268,9 +2268,7 @@ static void ath_tx_complete_poll_work(st
+@@ -2181,6 +2183,9 @@ static void ath_tx_processq(struct ath_s
+ 
+       spin_lock_bh(&txq->axq_lock);
+       for (;;) {
++              if (sc->sc_flags & SC_OP_HW_RESET)
++                      break;
++
+               if (list_empty(&txq->axq_q)) {
+                       txq->axq_link = NULL;
+                       if (sc->sc_flags & SC_OP_TXAGGR)
+@@ -2268,9 +2273,7 @@ static void ath_tx_complete_poll_work(st
        if (needreset) {
                ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
                        "tx hung, resetting the chip\n");
@@ -238,16 +280,13 @@
        }
  
        ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -386,9 +386,7 @@ void ath_beacon_tasklet(unsigned long da
-                       ath_dbg(common, ATH_DBG_BSTUCK,
-                               "beacon is officially stuck\n");
-                       sc->sc_flags |= SC_OP_TSF_RESET;
--                      spin_lock(&sc->sc_pcu_lock);
--                      ath_reset(sc, true);
--                      spin_unlock(&sc->sc_pcu_lock);
-+                      ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
-               }
+@@ -2303,6 +2306,9 @@ void ath_tx_edma_tasklet(struct ath_soft
+       int status;
  
-               return;
+       for (;;) {
++              if (sc->sc_flags & SC_OP_HW_RESET)
++                      break;
++
+               status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
+               if (status == -EINPROGRESS)
+                       break;

diff --git a/package/mac80211/patches/582-ath9k_merge_reset_functions.patch b/package/mac80211/patches/582-ath9k_merge_reset_functions.patch
index 5484829b16b96b1132e2a2922d762338d6363f35..8d22d8f79cd19777bf04fbb8f3e7ed30f9a788a1 100644 (file)
--- a/package/mac80211/patches/582-ath9k_merge_reset_functions.patch
+++ b/package/mac80211/patches/582-ath9k_merge_reset_functions.patch
@@ -117,7 +117,7 @@
        }
  
        ath9k_cmn_update_txpow(ah, sc->curtxpow,
-@@ -296,21 +270,93 @@ static int ath_set_channel(struct ath_so
+@@ -296,21 +270,95 @@ static int ath_set_channel(struct ath_so
        ath9k_hw_set_interrupts(ah, ah->imask);
        ath9k_hw_enable_interrupts(ah);
  
@@ -152,6 +152,8 @@
 +      __ath_cancel_work(sc);
 +
 +      spin_lock_bh(&sc->sc_pcu_lock);
++
++      sc->sc_flags &= ~SC_OP_HW_RESET;
  
 +      if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) {
 +              fastcc = false;
@@ -188,7 +190,7 @@
 +
 +out:
        spin_unlock_bh(&sc->sc_pcu_lock);
-+      return 0;
++      return r;
 +}
 +
 +
@@ -214,7 +216,7 @@
        return r;
  }
  
-@@ -823,28 +869,13 @@ static void ath_radio_enable(struct ath_
+@@ -823,28 +871,13 @@ static void ath_radio_enable(struct ath_
                        channel->center_freq, r);
        }
  
@@ -244,7 +246,7 @@
        spin_unlock_bh(&sc->sc_pcu_lock);
  
        ath9k_ps_restore(sc);
-@@ -857,11 +888,10 @@ void ath_radio_disable(struct ath_softc 
+@@ -857,11 +890,10 @@ void ath_radio_disable(struct ath_softc 
        int r;
  
        ath9k_ps_wakeup(sc);
@@ -258,7 +260,7 @@
  
        /*
         * Keep the LED on when the radio is disabled
-@@ -872,13 +902,7 @@ void ath_radio_disable(struct ath_softc 
+@@ -872,13 +904,7 @@ void ath_radio_disable(struct ath_softc 
                ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
        }
  
@@ -273,7 +275,7 @@
  
        if (!ah->curchan)
                ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
-@@ -900,48 +924,11 @@ void ath_radio_disable(struct ath_softc 
+@@ -900,49 +926,11 @@ void ath_radio_disable(struct ath_softc 
  
  static int ath_reset(struct ath_softc *sc, bool retry_tx)
  {
@@ -282,6 +284,7 @@
 -      struct ieee80211_hw *hw = sc->hw;
        int r;
  
+-      sc->sc_flags &= ~SC_OP_HW_RESET;
 -      sc->hw_busy_count = 0;
 -
 -      /* Stop ANI */
@@ -323,7 +326,7 @@
  
        if (retry_tx) {
                int i;
-@@ -954,12 +941,6 @@ static int ath_reset(struct ath_softc *s
+@@ -955,12 +943,6 @@ static int ath_reset(struct ath_softc *s
                }
        }
  
@@ -336,7 +339,7 @@
        ath9k_ps_restore(sc);
  
        return r;
-@@ -969,9 +950,7 @@ void ath_reset_work(struct work_struct *
+@@ -970,9 +952,7 @@ void ath_reset_work(struct work_struct *
  {
        struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
  
@@ -346,7 +349,7 @@
  }
  
  void ath_hw_check(struct work_struct *work)
-@@ -992,11 +971,8 @@ void ath_hw_check(struct work_struct *wo
+@@ -993,11 +973,8 @@ void ath_hw_check(struct work_struct *wo
        ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
                "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
        if (busy >= 99) {
@@ -360,7 +363,7 @@
  
        } else if (busy >= 0)
                sc->hw_busy_count = 0;
-@@ -1016,9 +992,7 @@ static void ath_hw_pll_rx_hang_check(str
+@@ -1017,9 +994,7 @@ static void ath_hw_pll_rx_hang_check(str
                        /* Rx is hung for more than 500ms. Reset it */
                        ath_dbg(common, ATH_DBG_RESET,
                                "Possible RX hang, resetting");
@@ -371,7 +374,7 @@
                        count = 0;
                }
        } else
-@@ -1089,28 +1063,6 @@ static int ath9k_start(struct ieee80211_
+@@ -1090,28 +1065,6 @@ static int ath9k_start(struct ieee80211_
                goto mutex_unlock;
        }
  
@@ -400,7 +403,7 @@
        /* Setup our intr mask. */
        ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
                    ATH9K_INT_RXORN | ATH9K_INT_FATAL |
-@@ -1133,12 +1085,14 @@ static int ath9k_start(struct ieee80211_
+@@ -1134,12 +1087,14 @@ static int ath9k_start(struct ieee80211_
  
        /* Disable BMISS interrupt when we're not associated */
        ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
@@ -419,7 +422,7 @@
  
        if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
            !ah->btcoex_hw.enabled) {
-@@ -1231,10 +1185,7 @@ static void ath9k_stop(struct ieee80211_
+@@ -1232,10 +1187,7 @@ static void ath9k_stop(struct ieee80211_
  
        mutex_lock(&sc->mutex);
  
@@ -431,7 +434,7 @@
  
        if (sc->sc_flags & SC_OP_INVALID) {
                ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
-@@ -2351,9 +2302,11 @@ static void ath9k_flush(struct ieee80211
+@@ -2352,9 +2304,11 @@ static void ath9k_flush(struct ieee80211
        ath9k_ps_wakeup(sc);
        spin_lock_bh(&sc->sc_pcu_lock);
        drain_txq = ath_drain_all_txq(sc, false);

diff --git a/package/mac80211/patches/583-ath9k_antenna_control.patch b/package/mac80211/patches/583-ath9k_antenna_control.patch
index d69684d12b36e0fb2025be3599d6e106f972d912..08f1b8f2e7481ac2626bdb36bf40399bc6b28f80 100644 (file)
--- a/package/mac80211/patches/583-ath9k_antenna_control.patch
+++ b/package/mac80211/patches/583-ath9k_antenna_control.patch
@@ -57,7 +57,7 @@
  }
 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -654,6 +654,7 @@ struct ath_softc {
+@@ -655,6 +655,7 @@ struct ath_softc {
        struct ath_descdma txsdma;
  
        struct ath_ant_comb ant_comb;
@@ -65,7 +65,7 @@
  };
  
  void ath9k_tasklet(unsigned long data);
-@@ -674,6 +675,7 @@ int ath9k_init_device(u16 devid, struct 
+@@ -675,6 +676,7 @@ int ath9k_init_device(u16 devid, struct 
                    const struct ath_bus_ops *bus_ops);
  void ath9k_deinit_device(struct ath_softc *sc);
  void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
@@ -98,7 +98,7 @@
        ieee80211_wake_queues(sc->hw);
  
        return true;
-@@ -2383,6 +2399,59 @@ static int ath9k_get_stats(struct ieee80
+@@ -2385,6 +2401,59 @@ static int ath9k_get_stats(struct ieee80
        return 0;
  }
  
@@ -158,7 +158,7 @@
  struct ieee80211_ops ath9k_ops = {
        .tx                 = ath9k_tx,
        .start              = ath9k_start,
-@@ -2409,4 +2478,6 @@ struct ieee80211_ops ath9k_ops = {
+@@ -2411,4 +2480,6 @@ struct ieee80211_ops ath9k_ops = {
        .tx_frames_pending  = ath9k_tx_frames_pending,
        .tx_last_beacon     = ath9k_tx_last_beacon,
        .get_stats          = ath9k_get_stats,