diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/beacon.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 7 |
3 files changed, 14 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 0b6e3b65bb0..e19a230dfff 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -385,7 +385,9 @@ void ath_beacon_tasklet(unsigned long data) 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); } return; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 5ae303b11e6..9098aaad97a 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *work) ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); if (busy >= 99) { - if (++sc->hw_busy_count >= 3) + if (++sc->hw_busy_count >= 3) { + spin_lock_bh(&sc->sc_pcu_lock); ath_reset(sc, true); + spin_unlock_bh(&sc->sc_pcu_lock); + } } else if (busy >= 0) sc->hw_busy_count = 0; @@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) /* Rx is hung for more than 500ms. Reset it */ ath_dbg(common, ATH_DBG_RESET, "Possible RX hang, resetting"); + spin_lock_bh(&sc->sc_pcu_lock); ath_reset(sc, true); + spin_unlock_bh(&sc->sc_pcu_lock); count = 0; } } else @@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data) if ((status & ATH9K_INT_FATAL) || (status & ATH9K_INT_BB_WATCHDOG)) { + spin_lock(&sc->sc_pcu_lock); ath_reset(sc, true); + spin_unlock(&sc->sc_pcu_lock); return; } @@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) del_timer_sync(&common->ani.timer); ath9k_ps_wakeup(sc); - spin_lock_bh(&sc->sc_pcu_lock); ieee80211_stop_queues(hw); @@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) } ieee80211_wake_queues(hw); - spin_unlock_bh(&sc->sc_pcu_lock); /* Start ANI */ if (!common->disable_ani) @@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop) ath9k_ps_wakeup(sc); spin_lock_bh(&sc->sc_pcu_lock); drain_txq = ath_drain_all_txq(sc, false); - spin_unlock_bh(&sc->sc_pcu_lock); if (!drain_txq) ath_reset(sc, false); + spin_unlock_bh(&sc->sc_pcu_lock); ath9k_ps_restore(sc); ieee80211_wake_queues(hw); diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index ec012b4317a..a1fed6c8ff9 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, rcu_read_unlock(); - if (needreset) { - spin_unlock_bh(&sc->sc_pcu_lock); + if (needreset) ath_reset(sc, false); - spin_lock_bh(&sc->sc_pcu_lock); - } } static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf, @@ -2169,7 +2166,9 @@ static void ath_tx_complete_poll_work(struct work_struct *work) if (needreset) { ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, "tx hung, resetting the chip\n"); + spin_lock_bh(&sc->sc_pcu_lock); ath_reset(sc, true); + spin_unlock_bh(&sc->sc_pcu_lock); } ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, |