8 files changed, 18 insertions, 29 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index a0398fe3eb28..be3eb2a8d602 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -86,7 +86,6 @@ static int ath_ahb_probe(struct platform_device *pdev)
         int irq;
         int ret = 0;
         struct ath_hw *ah;
-        struct ath_common *common;
         char hw_name[64];
 
         if (!dev_get_platdata(&pdev->dev)) {
@@ -146,9 +145,6 @@ static int ath_ahb_probe(struct platform_device *pdev)
         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
                    hw_name, (unsigned long)mem, irq);
 
-        common = ath9k_hw_common(sc->sc_ah);
-        /* Will be cleared in ath9k_start() */
-        set_bit(ATH_OP_INVALID, &common->op_flags);
         return 0;
 
  err_irq:
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 6d47783f2e5b..ba502a2d199b 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -155,6 +155,9 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
                 ATH9K_ANI_RSSI_THR_LOW,
                 ATH9K_ANI_RSSI_THR_HIGH);
 
+        if (AR_SREV_9100(ah) && immunityLevel < ATH9K_ANI_OFDM_DEF_LEVEL)
+                immunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
+
         if (!scan)
                 aniState->ofdmNoiseImmunityLevel = immunityLevel;
 
@@ -235,6 +238,9 @@ static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel,
                 BEACON_RSSI(ah), ATH9K_ANI_RSSI_THR_LOW,
                 ATH9K_ANI_RSSI_THR_HIGH);
 
+        if (AR_SREV_9100(ah) && immunityLevel < ATH9K_ANI_CCK_DEF_LEVEL)
+                immunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
+
         if (ah->opmode == NL80211_IFTYPE_STATION &&
             BEACON_RSSI(ah) <= ATH9K_ANI_RSSI_THR_LOW &&
             immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 44d74495c4de..3ba03dde4215 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -251,7 +251,6 @@ struct ath_atx_tid {
 
         s8 bar_index;
         bool sched;
-        bool paused;
         bool active;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/debug_sta.c b/drivers/net/wireless/ath/ath9k/debug_sta.c
index d76e6e0120d2..ffca918ff16a 100644
--- a/drivers/net/wireless/ath/ath9k/debug_sta.c
+++ b/drivers/net/wireless/ath/ath9k/debug_sta.c
@@ -72,7 +72,7 @@ static ssize_t read_file_node_aggr(struct file *file, char __user *user_buf,
                 ath_txq_lock(sc, txq);
                 if (tid->active) {
                         len += scnprintf(buf + len, size - len,
-                                         "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
+                                         "%3d%11d%10d%10d%10d%10d%9d%6d\n",
                                          tid->tidno,
                                          tid->seq_start,
                                          tid->seq_next,
@@ -80,8 +80,7 @@ static ssize_t read_file_node_aggr(struct file *file, char __user *user_buf,
                                          tid->baw_head,
                                          tid->baw_tail,
                                          tid->bar_index,
-                                         tid->sched,
-                                         tid->paused);
+                                         tid->sched);
                 }
                 ath_txq_unlock(sc, txq);
         }
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index cbbb02a6b13b..36ae6490e554 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -783,6 +783,9 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
         common = ath9k_hw_common(ah);
         ath9k_set_hw_capab(sc, hw);
 
+        /* Will be cleared in ath9k_start() */
+        set_bit(ATH_OP_INVALID, &common->op_flags);
+
         /* Initialize regulatory */
         error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
                               ath9k_reg_notifier);
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 25304adece57..914dbc6b1720 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -784,7 +784,6 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
         struct ath_softc *sc;
         struct ieee80211_hw *hw;
-        struct ath_common *common;
         u8 csz;
         u32 val;
         int ret = 0;
@@ -877,10 +876,6 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
                    hw_name, (unsigned long)sc->mem, pdev->irq);
 
-        /* Will be cleared in ath9k_start() */
-        common = ath9k_hw_common(sc->sc_ah);
-        set_bit(ATH_OP_INVALID, &common->op_flags);
-
         return 0;
 
 err_init:
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 6c9accdb52e4..19df969ec909 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -975,6 +975,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
         u64 tsf = 0;
         unsigned long flags;
         dma_addr_t new_buf_addr;
+        unsigned int budget = 512;
 
         if (edma)
                 dma_type = DMA_BIDIRECTIONAL;
@@ -1113,15 +1114,17 @@ requeue_drop_frag:
                 }
 requeue:
                 list_add_tail(&bf->list, &sc->rx.rxbuf);
-                if (flush)
-                        continue;
 
                 if (edma) {
                         ath_rx_edma_buf_link(sc, qtype);
                 } else {
                         ath_rx_buf_relink(sc, bf);
-                        ath9k_hw_rxena(ah);
+                        if (!flush)
+                                ath9k_hw_rxena(ah);
                 }
+
+                if (!budget--)
+                        break;
         } while (1);
 
         if (!(ah->imask & ATH9K_INT_RXEOL)) {
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 87cbec47fb48..66acb2cbd9df 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -107,9 +107,6 @@ static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid)
 {
         struct ath_atx_ac *ac = tid->ac;
 
-        if (tid->paused)
-                return;
-
         if (tid->sched)
                 return;
 
@@ -1407,7 +1404,6 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
         ath_tx_tid_change_state(sc, txtid);
 
         txtid->active = true;
-        txtid->paused = true;
         *ssn = txtid->seq_start = txtid->seq_next;
         txtid->bar_index = -1;
 
@@ -1427,7 +1423,6 @@ void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
 
         ath_txq_lock(sc, txq);
         txtid->active = false;
-        txtid->paused = false;
         ath_tx_flush_tid(sc, txtid);
         ath_tx_tid_change_state(sc, txtid);
         ath_txq_unlock_complete(sc, txq);
@@ -1487,7 +1482,7 @@ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an)
                 ath_txq_lock(sc, txq);
                 ac->clear_ps_filter = true;
 
-                if (!tid->paused && ath_tid_has_buffered(tid)) {
+                if (ath_tid_has_buffered(tid)) {
                         ath_tx_queue_tid(txq, tid);
                         ath_txq_schedule(sc, txq);
                 }
@@ -1510,7 +1505,6 @@ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta,
         ath_txq_lock(sc, txq);
 
         tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
-        tid->paused = false;
 
         if (ath_tid_has_buffered(tid)) {
                 ath_tx_queue_tid(txq, tid);
@@ -1544,8 +1538,6 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
                         continue;
 
                 tid = ATH_AN_2_TID(an, i);
-                if (tid->paused)
-                        continue;
 
                 ath_txq_lock(sc, tid->ac->txq);
                 while (nframes > 0) {
@@ -1844,9 +1836,6 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
                         list_del(&tid->list);
                         tid->sched = false;
 
-                        if (tid->paused)
-                                continue;
-
                         if (ath_tx_sched_aggr(sc, txq, tid, &stop))
                                 sent = true;
 
@@ -2698,7 +2687,6 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an)
                 tid->baw_size  = WME_MAX_BA;
                 tid->baw_head  = tid->baw_tail = 0;
                 tid->sched     = false;
-                tid->paused    = false;
                 tid->active        = false;
                 __skb_queue_head_init(&tid->buf_q);
                 __skb_queue_head_init(&tid->retry_q);