package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ani.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ani.c
   3 @@ -490,46 +490,6 @@ void ath9k_hw_disable_mib_counters(struc
   4  }
   5  EXPORT_SYMBOL(ath9k_hw_disable_mib_counters);
   6
   7 -/*
   8 - * Process a MIB interrupt.  We may potentially be invoked because
   9 - * any of the MIB counters overflow/trigger so don't assume we're
  10 - * here because a PHY error counter triggered.
  11 - */
  12 -void ath9k_hw_proc_mib_event(struct ath_hw *ah)
  13 -{
  14 -       u32 phyCnt1, phyCnt2;
  15 -
  16 -       /* Reset these counters regardless */
  17 -       REG_WRITE(ah, AR_FILT_OFDM, 0);
  18 -       REG_WRITE(ah, AR_FILT_CCK, 0);
  19 -       if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
  20 -               REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
  21 -
  22 -       /* Clear the mib counters and save them in the stats */
  23 -       ath9k_hw_update_mibstats(ah, &ah->ah_mibStats);
  24 -
  25 -       if (!DO_ANI(ah)) {
  26 -               /*
  27 -                * We must always clear the interrupt cause by
  28 -                * resetting the phy error regs.
  29 -                */
  30 -               REG_WRITE(ah, AR_PHY_ERR_1, 0);
  31 -               REG_WRITE(ah, AR_PHY_ERR_2, 0);
  32 -               return;
  33 -       }
  34 -
  35 -       /* NB: these are not reset-on-read */
  36 -       phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
  37 -       phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
  38 -       if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
  39 -           ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) {
  40 -
  41 -               /* NB: always restart to insure the h/w counters are reset */
  42 -               ath9k_ani_restart(ah);
  43 -       }
  44 -}
  45 -EXPORT_SYMBOL(ath9k_hw_proc_mib_event);
  46 -
  47  void ath9k_hw_ani_setup(struct ath_hw *ah)
  48  {
  49         int i;
  50 --- a/drivers/net/wireless/ath/ath9k/hw.h
  51 +++ b/drivers/net/wireless/ath/ath9k/hw.h
  52 @@ -1023,7 +1023,6 @@ void ar9003_hw_attach_ops(struct ath_hw
  53  void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
  54
  55  void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning);
  56 -void ath9k_hw_proc_mib_event(struct ath_hw *ah);
  57  void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
  58
  59  #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
  60 --- a/drivers/net/wireless/ath/ath9k/main.c
  61 +++ b/drivers/net/wireless/ath/ath9k/main.c
  62 @@ -827,24 +827,6 @@ irqreturn_t ath_isr(int irq, void *dev)
  63                 ath9k_hw_set_interrupts(ah);
  64         }
  65
  66 -       if (status & ATH9K_INT_MIB) {
  67 -               /*
  68 -                * Disable interrupts until we service the MIB
  69 -                * interrupt; otherwise it will continue to
  70 -                * fire.
  71 -                */
  72 -               ath9k_hw_disable_interrupts(ah);
  73 -               /*
  74 -                * Let the hal handle the event. We assume
  75 -                * it will clear whatever condition caused
  76 -                * the interrupt.
  77 -                */
  78 -               spin_lock(&common->cc_lock);
  79 -               ath9k_hw_proc_mib_event(ah);
  80 -               spin_unlock(&common->cc_lock);
  81 -               ath9k_hw_enable_interrupts(ah);
  82 -       }
  83 -
  84         if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
  85                 if (status & ATH9K_INT_TIM_TIMER) {
  86                         if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle))
  87 @@ -1347,14 +1329,10 @@ static void ath9k_calculate_summary_stat
  88         /*
  89          * Enable MIB interrupts when there are hardware phy counters.
  90          */
  91 -       if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) {
  92 -               if (ah->config.enable_ani)
  93 -                       ah->imask |= ATH9K_INT_MIB;
  94 +       if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0)
  95                 ah->imask |= ATH9K_INT_TSFOOR;
  96 -       } else {
  97 -               ah->imask &= ~ATH9K_INT_MIB;
  98 +       else
  99                 ah->imask &= ~ATH9K_INT_TSFOOR;
 100 -       }
 101
 102         ath9k_hw_set_interrupts(ah);
 103
 104 --- a/drivers/net/wireless/ath/ath9k/debug.c
 105 +++ b/drivers/net/wireless/ath/ath9k/debug.c
 106 @@ -348,8 +348,6 @@ void ath_debug_stat_interrupt(struct ath
 107                 sc->debug.stats.istats.txok++;
 108         if (status & ATH9K_INT_TXURN)
 109                 sc->debug.stats.istats.txurn++;
 110 -       if (status & ATH9K_INT_MIB)
 111 -               sc->debug.stats.istats.mib++;
 112         if (status & ATH9K_INT_RXPHY)
 113                 sc->debug.stats.istats.rxphyerr++;
 114         if (status & ATH9K_INT_RXKCM)