package/kernel/mac80211/patches/332-ath9k_hw-start-initial-NF-calibration-after-PA-calib.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Sat, 18 Oct 2014 13:42:03 +0200
   3 Subject: [PATCH] ath9k_hw: start initial NF calibration after PA
   4  calibration on <AR9003
   5
   6 This makes the initial NF calibration less likely to fail.
   7
   8 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
   9 ---
  10
  11 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
  12 +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
  13 @@ -856,6 +856,8 @@ static bool ar9002_hw_init_cal(struct at
  14
  15         /* Do PA Calibration */
  16         ar9002_hw_pa_cal(ah, true);
  17 +       ath9k_hw_loadnf(ah, chan);
  18 +       ath9k_hw_start_nfcal(ah, true);
  19
  20         if (ah->caldata)
  21                 set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
  22 --- a/drivers/net/wireless/ath/ath9k/hw.c
  23 +++ b/drivers/net/wireless/ath/ath9k/hw.c
  24 @@ -1953,8 +1953,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
  25         if (ath9k_hw_mci_is_enabled(ah))
  26                 ar9003_mci_check_bt(ah);
  27
  28 -       ath9k_hw_loadnf(ah, chan);
  29 -       ath9k_hw_start_nfcal(ah, true);
  30 +       if (AR_SREV_9300_20_OR_LATER(ah)) {
  31 +               ath9k_hw_loadnf(ah, chan);
  32 +               ath9k_hw_start_nfcal(ah, true);
  33 +       }
  34
  35         if (AR_SREV_9300_20_OR_LATER(ah))
  36                 ar9003_hw_bb_watchdog_config(ah);