1 files changed, 7 insertions, 44 deletions

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index d59dd01d6cde..f777ddcd1172 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -105,19 +105,19 @@ static int ath_max_4ms_framelen[4][32] = {
 /* Aggregation logic */
 /*********************/
 
-static void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq)
+void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq)
         __acquires(&txq->axq_lock)
 {
         spin_lock_bh(&txq->axq_lock);
 }
 
-static void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq)
+void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq)
         __releases(&txq->axq_lock)
 {
         spin_unlock_bh(&txq->axq_lock);
 }
 
-static void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq)
+void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq)
         __releases(&txq->axq_lock)
 {
         struct sk_buff_head q;
@@ -1536,7 +1536,7 @@ bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
         int i;
         u32 npend = 0;
 
-        if (sc->sc_flags & SC_OP_INVALID)
+        if (test_bit(SC_OP_INVALID, &sc->sc_flags))
                 return true;
 
         ath9k_hw_abort_tx_dma(ah);
@@ -1994,6 +1994,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
         int q, padpos, padsize;
+        unsigned long flags;
 
         ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
 
@@ -2012,6 +2013,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
                 skb_pull(skb, padsize);
         }
 
+        spin_lock_irqsave(&sc->sc_pm_lock, flags);
         if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
                 sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
                 ath_dbg(common, PS,
@@ -2021,6 +2023,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
                                         PS_WAIT_FOR_PSPOLL_DATA |
                                         PS_WAIT_FOR_TX_ACK));
         }
+        spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
 
         q = skb_get_queue_mapping(skb);
         if (txq == sc->tx.txq_map[q]) {
@@ -2231,46 +2234,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
         ath_txq_unlock_complete(sc, txq);
 }
 
-static void ath_tx_complete_poll_work(struct work_struct *work)
-{
-        struct ath_softc *sc = container_of(work, struct ath_softc,
-                        tx_complete_work.work);
-        struct ath_txq *txq;
-        int i;
-        bool needreset = false;
-#ifdef CONFIG_ATH9K_DEBUGFS
-        sc->tx_complete_poll_work_seen++;
-#endif
-
-        for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
-                if (ATH_TXQ_SETUP(sc, i)) {
-                        txq = &sc->tx.txq[i];
-                        ath_txq_lock(sc, txq);
-                        if (txq->axq_depth) {
-                                if (txq->axq_tx_inprogress) {
-                                        needreset = true;
-                                        ath_txq_unlock(sc, txq);
-                                        break;
-                                } else {
-                                        txq->axq_tx_inprogress = true;
-                                }
-                        }
-                        ath_txq_unlock_complete(sc, txq);
-                }
-
-        if (needreset) {
-                ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,
-                        "tx hung, resetting the chip\n");
-                RESET_STAT_INC(sc, RESET_TYPE_TX_HANG);
-                ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
-        }
-
-        ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
-                        msecs_to_jiffies(ATH_TX_COMPLETE_POLL_INT));
-}
-
-
-
 void ath_tx_tasklet(struct ath_softc *sc)
 {
         struct ath_hw *ah = sc->sc_ah;