1 files changed, 9 insertions, 27 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 52561b341d68..e4e73f061a22 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -19,7 +19,7 @@
 #include "ath9k.h"
 #include "btcoex.h"
 
-static u8 parse_mpdudensity(u8 mpdudensity)
+u8 ath9k_parse_mpdudensity(u8 mpdudensity)
 {
         /*
          * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
@@ -150,8 +150,10 @@ static void __ath_cancel_work(struct ath_softc *sc)
         cancel_work_sync(&sc->hw_check_work);
         cancel_delayed_work_sync(&sc->tx_complete_work);
         cancel_delayed_work_sync(&sc->hw_pll_work);
+
 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
-        cancel_work_sync(&sc->mci_work);
+        if (ath9k_hw_mci_is_enabled(sc->sc_ah))
+                cancel_work_sync(&sc->mci_work);
 #endif
 }
 
@@ -320,6 +322,7 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
                             struct ieee80211_vif *vif)
 {
         struct ath_node *an;
+        u8 density;
         an = (struct ath_node *)sta->drv_priv;
 
 #ifdef CONFIG_ATH9K_DEBUGFS
@@ -334,7 +337,8 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
                 ath_tx_node_init(sc, an);
                 an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
                                      sta->ht_cap.ampdu_factor);
-                an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density);
+                density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density);
+                an->mpdudensity = density;
         }
 }
 
@@ -516,24 +520,6 @@ irqreturn_t ath_isr(int irq, void *dev)
                 ath9k_hw_set_interrupts(ah);
         }
 
-        if (status & ATH9K_INT_MIB) {
-                /*
-                 * Disable interrupts until we service the MIB
-                 * interrupt; otherwise it will continue to
-                 * fire.
-                 */
-                ath9k_hw_disable_interrupts(ah);
-                /*
-                 * Let the hal handle the event. We assume
-                 * it will clear whatever condition caused
-                 * the interrupt.
-                 */
-                spin_lock(&common->cc_lock);
-                ath9k_hw_proc_mib_event(ah);
-                spin_unlock(&common->cc_lock);
-                ath9k_hw_enable_interrupts(ah);
-        }
-
         if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
                 if (status & ATH9K_INT_TIM_TIMER) {
                         if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
@@ -959,14 +945,10 @@ static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
         /*
          * Enable MIB interrupts when there are hardware phy counters.
          */
-        if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) {
-                if (ah->config.enable_ani)
-                        ah->imask |= ATH9K_INT_MIB;
+        if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0)
                 ah->imask |= ATH9K_INT_TSFOOR;
-        } else {
-                ah->imask &= ~ATH9K_INT_MIB;
+        else
                 ah->imask &= ~ATH9K_INT_TSFOOR;
-        }
 
         ath9k_hw_set_interrupts(ah);