1 files changed, 31 insertions, 29 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 67ca4e5a601..c25216be616 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -225,7 +225,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 
         ath_cache_conf_rate(sc, &hw->conf);
         ath_update_txpow(sc);
-        ath9k_hw_set_interrupts(ah, sc->imask);
+        ath9k_hw_set_interrupts(ah, ah->imask);
 
  ps_restore:
         ath9k_ps_restore(sc);
@@ -434,7 +434,7 @@ void ath9k_tasklet(unsigned long data)
                         ath_gen_timer_isr(sc->sc_ah);
 
         /* re-enable hardware interrupt */
-        ath9k_hw_set_interrupts(ah, sc->imask);
+        ath9k_hw_set_interrupts(ah, ah->imask);
         ath9k_ps_restore(sc);
 }
 
@@ -477,7 +477,7 @@ irqreturn_t ath_isr(int irq, void *dev)
          * value to insure we only process bits we requested.
          */
         ath9k_hw_getisr(ah, &status);   /* NB: clears ISR too */
-        status &= sc->imask;    /* discard unasked-for bits */
+        status &= ah->imask;    /* discard unasked-for bits */
 
         /*
          * If there are no status bits set, then this interrupt was not
@@ -518,7 +518,7 @@ irqreturn_t ath_isr(int irq, void *dev)
                  * the interrupt.
                  */
                 ath9k_hw_procmibevent(ah);
-                ath9k_hw_set_interrupts(ah, sc->imask);
+                ath9k_hw_set_interrupts(ah, ah->imask);
         }
 
         if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
@@ -536,7 +536,7 @@ chip_reset:
 
         if (sched) {
                 /* turn off every interrupt except SWBA */
-                ath9k_hw_set_interrupts(ah, (sc->imask & ATH9K_INT_SWBA));
+                ath9k_hw_set_interrupts(ah, (ah->imask & ATH9K_INT_SWBA));
                 tasklet_schedule(&sc->intr_tq);
         }
 
@@ -887,7 +887,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
                 ath_beacon_config(sc, NULL);    /* restart beacons */
 
         /* Re-Enable  interrupts */
-        ath9k_hw_set_interrupts(ah, sc->imask);
+        ath9k_hw_set_interrupts(ah, ah->imask);
 
         /* Enable LED */
         ath9k_hw_cfg_output(ah, ah->led_pin,
@@ -977,7 +977,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
         if (sc->sc_flags & SC_OP_BEACONS)
                 ath_beacon_config(sc, NULL);    /* restart beacons */
 
-        ath9k_hw_set_interrupts(ah, sc->imask);
+        ath9k_hw_set_interrupts(ah, ah->imask);
 
         if (retry_tx) {
                 int i;
@@ -1162,23 +1162,23 @@ static int ath9k_start(struct ieee80211_hw *hw)
         }
 
         /* Setup our intr mask. */
-        sc->imask = ATH9K_INT_RX | ATH9K_INT_TX
+        ah->imask = ATH9K_INT_RX | ATH9K_INT_TX
                 | ATH9K_INT_RXEOL | ATH9K_INT_RXORN
                 | ATH9K_INT_FATAL | ATH9K_INT_GLOBAL;
 
         if (ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
-                sc->imask |= ATH9K_INT_GTT;
+                ah->imask |= ATH9K_INT_GTT;
 
         if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
-                sc->imask |= ATH9K_INT_CST;
+                ah->imask |= ATH9K_INT_CST;
 
         ath_cache_conf_rate(sc, &hw->conf);
 
         sc->sc_flags &= ~SC_OP_INVALID;
 
         /* Disable BMISS interrupt when we're not associated */
-        sc->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
-        ath9k_hw_set_interrupts(ah, sc->imask);
+        ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
+        ath9k_hw_set_interrupts(ah, ah->imask);
 
         ieee80211_wake_queues(hw);
 
@@ -1372,14 +1372,15 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 {
         struct ath_wiphy *aphy = hw->priv;
         struct ath_softc *sc = aphy->sc;
-        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+        struct ath_hw *ah = sc->sc_ah;
+        struct ath_common *common = ath9k_hw_common(ah);
         struct ath_vif *avp = (void *)vif->drv_priv;
         enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
         int ret = 0;
 
         mutex_lock(&sc->mutex);
 
-        if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) &&
+        if (!(ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK) &&
             sc->nvifs > 0) {
                 ret = -ENOBUFS;
                 goto out;
@@ -1414,19 +1415,19 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 
         sc->nvifs++;
 
-        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
+        if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
                 ath9k_set_bssid_mask(hw);
 
         if (sc->nvifs > 1)
                 goto out; /* skip global settings for secondary vif */
 
         if (ic_opmode == NL80211_IFTYPE_AP) {
-                ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
+                ath9k_hw_set_tsfadjust(ah, 1);
                 sc->sc_flags |= SC_OP_TSF_RESET;
         }
 
         /* Set the device opmode */
-        sc->sc_ah->opmode = ic_opmode;
+        ah->opmode = ic_opmode;
 
         /*
          * Enable MIB interrupts when there are hardware phy counters.
@@ -1435,11 +1436,11 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
         if ((vif->type == NL80211_IFTYPE_STATION) ||
             (vif->type == NL80211_IFTYPE_ADHOC) ||
             (vif->type == NL80211_IFTYPE_MESH_POINT)) {
-                sc->imask |= ATH9K_INT_MIB;
-                sc->imask |= ATH9K_INT_TSFOOR;
+                ah->imask |= ATH9K_INT_MIB;
+                ah->imask |= ATH9K_INT_TSFOOR;
         }
 
-        ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+        ath9k_hw_set_interrupts(ah, ah->imask);
 
         if (vif->type == NL80211_IFTYPE_AP    ||
             vif->type == NL80211_IFTYPE_ADHOC ||
@@ -1495,15 +1496,16 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
 
 void ath9k_enable_ps(struct ath_softc *sc)
 {
+        struct ath_hw *ah = sc->sc_ah;
+
         sc->ps_enabled = true;
-        if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
-                if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
-                        sc->imask |= ATH9K_INT_TIM_TIMER;
-                        ath9k_hw_set_interrupts(sc->sc_ah,
-                                        sc->imask);
+        if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+                if ((ah->imask & ATH9K_INT_TIM_TIMER) == 0) {
+                        ah->imask |= ATH9K_INT_TIM_TIMER;
+                        ath9k_hw_set_interrupts(ah, ah->imask);
                 }
         }
-        ath9k_hw_setrxabort(sc->sc_ah, 1);
+        ath9k_hw_setrxabort(ah, 1);
 }
 
 static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
@@ -1580,10 +1582,10 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
                                                   PS_WAIT_FOR_CAB |
                                                   PS_WAIT_FOR_PSPOLL_DATA |
                                                   PS_WAIT_FOR_TX_ACK);
-                                if (sc->imask & ATH9K_INT_TIM_TIMER) {
-                                        sc->imask &= ~ATH9K_INT_TIM_TIMER;
+                                if (ah->imask & ATH9K_INT_TIM_TIMER) {
+                                        ah->imask &= ~ATH9K_INT_TIM_TIMER;
                                         ath9k_hw_set_interrupts(sc->sc_ah,
-                                                        sc->imask);
+                                                        ah->imask);
                                 }
                         }
                 }