package/mac80211/patches/511-ath9k_per_chan_nf.patch

   1 --- a/drivers/net/wireless/ath/ath9k/hw.h
   2 +++ b/drivers/net/wireless/ath/ath9k/hw.h
   3 @@ -342,7 +342,6 @@ struct ath9k_hw_cal_data {
   4         int32_t CalValid;
   5         int8_t iCoff;
   6         int8_t qCoff;
   7 -       int16_t rawNoiseFloor;
   8         bool paprd_done;
   9         bool nfcal_pending;
  10         bool nfcal_interference;
  11 @@ -356,6 +355,7 @@ struct ath9k_channel {
  12         u16 channel;
  13         u32 channelFlags;
  14         u32 chanmode;
  15 +       s16 noisefloor;
  16  };
  17
  18  #define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
  19 --- a/drivers/net/wireless/ath/ath9k/calib.c
  20 +++ b/drivers/net/wireless/ath/ath9k/calib.c
  21 @@ -346,34 +346,34 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
  22         struct ieee80211_channel *c = chan->chan;
  23         struct ath9k_hw_cal_data *caldata = ah->caldata;
  24
  25 -       if (!caldata)
  26 -               return false;
  27 -
  28         chan->channelFlags &= (~CHANNEL_CW_INT);
  29         if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
  30                 ath_print(common, ATH_DBG_CALIBRATE,
  31                           "NF did not complete in calibration window\n");
  32 -               nf = 0;
  33 -               caldata->rawNoiseFloor = nf;
  34                 return false;
  35 -       } else {
  36 -               ath9k_hw_do_getnf(ah, nfarray);
  37 -               ath9k_hw_nf_sanitize(ah, nfarray);
  38 -               nf = nfarray[0];
  39 -               if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
  40 -                   && nf > nfThresh) {
  41 -                       ath_print(common, ATH_DBG_CALIBRATE,
  42 -                                 "noise floor failed detected; "
  43 -                                 "detected %d, threshold %d\n",
  44 -                                 nf, nfThresh);
  45 -                       chan->channelFlags |= CHANNEL_CW_INT;
  46 -               }
  47 +       }
  48 +
  49 +       ath9k_hw_do_getnf(ah, nfarray);
  50 +       ath9k_hw_nf_sanitize(ah, nfarray);
  51 +       nf = nfarray[0];
  52 +       if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
  53 +           && nf > nfThresh) {
  54 +               ath_print(common, ATH_DBG_CALIBRATE,
  55 +                         "noise floor failed detected; "
  56 +                         "detected %d, threshold %d\n",
  57 +                         nf, nfThresh);
  58 +               chan->channelFlags |= CHANNEL_CW_INT;
  59 +       }
  60 +
  61 +       if (!caldata) {
  62 +               chan->noisefloor = nf;
  63 +               return false;
  64         }
  65
  66         h = caldata->nfCalHist;
  67         caldata->nfcal_pending = false;
  68         ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
  69 -       caldata->rawNoiseFloor = h[0].privNF;
  70 +       chan->noisefloor = h[0].privNF;
  71         return true;
  72  }
  73
  74 @@ -401,10 +401,10 @@ void ath9k_init_nfcal_hist_buffer(struct
  75
  76  s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
  77  {
  78 -       if (!ah->caldata || !ah->caldata->rawNoiseFloor)
  79 +       if (!ah->curchan || !ah->curchan->noisefloor)
  80                 return ath9k_hw_get_default_nf(ah, chan);
  81
  82 -       return ah->caldata->rawNoiseFloor;
  83 +       return ah->curchan->noisefloor;
  84  }
  85  EXPORT_SYMBOL(ath9k_hw_getchan_noise);
  86
  87 --- a/drivers/net/wireless/ath/ath9k/hw.c
  88 +++ b/drivers/net/wireless/ath/ath9k/hw.c
  89 @@ -1251,7 +1251,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  90         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
  91                 return -EIO;
  92
  93 -       if (curchan && !ah->chip_fullsleep && ah->caldata)
  94 +       if (curchan && !ah->chip_fullsleep)
  95                 ath9k_hw_getnf(ah, curchan);
  96
  97         ah->caldata = caldata;