package/mac80211/patches/530-ath9k_nf_fix.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
   3 @@ -1508,6 +1508,9 @@ static void ar5008_hw_do_getnf(struct at
   4         nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
   5         nfarray[2] = sign_extend(nf, 9);
   6
   7 +       if (!IS_CHAN_HT40(ah->curchan))
   8 +               return;
   9 +
  10         nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
  11         nfarray[3] = sign_extend(nf, 9);
  12
  13 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
  14 +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
  15 @@ -477,7 +477,8 @@ static void ar9002_hw_do_getnf(struct at
  16         nfarray[0] = sign_extend(nf, 9);
  17
  18         nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
  19 -       nfarray[3] = sign_extend(nf, 9);
  20 +       if (IS_CHAN_HT40(ah->curchan))
  21 +               nfarray[3] = sign_extend(nf, 9);
  22
  23         if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
  24                 return;
  25 @@ -486,7 +487,8 @@ static void ar9002_hw_do_getnf(struct at
  26         nfarray[1] = sign_extend(nf, 9);
  27
  28         nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR);
  29 -       nfarray[4] = sign_extend(nf, 9);
  30 +       if (IS_CHAN_HT40(ah->curchan))
  31 +               nfarray[4] = sign_extend(nf, 9);
  32  }
  33
  34  static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
  35 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
  36 +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
  37 @@ -1029,6 +1029,9 @@ static void ar9003_hw_do_getnf(struct at
  38         nf = MS(REG_READ(ah, AR_PHY_CCA_2), AR_PHY_CH2_MINCCA_PWR);
  39         nfarray[2] = sign_extend(nf, 9);
  40
  41 +       if (!IS_CHAN_HT40(ah->curchan))
  42 +               return;
  43 +
  44         nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
  45         nfarray[3] = sign_extend(nf, 9);
  46