package/kernel/mac80211/patches/341-ath9k_common-always-update-value-in-ath9k_cmn_update.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Wed, 22 Oct 2014 18:16:14 +0200
   3 Subject: [PATCH] ath9k_common: always update value in
   4  ath9k_cmn_update_txpow
   5
   6 In some cases the limit may be the same as reg->power_limit, but the
   7 actual value that the hardware uses is not up to date. In that case, a
   8 wrong value for current tx power is tracked internally.
   9 Fix this by unconditionally updating it.
  10
  11 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
  12 ---
  13
  14 --- a/drivers/net/wireless/ath/ath9k/common.c
  15 +++ b/drivers/net/wireless/ath/ath9k/common.c
  16 @@ -368,11 +368,11 @@ void ath9k_cmn_update_txpow(struct ath_h
  17  {
  18         struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
  19
  20 -       if (reg->power_limit != new_txpow) {
  21 +       if (reg->power_limit != new_txpow)
  22                 ath9k_hw_set_txpowerlimit(ah, new_txpow, false);
  23 -               /* read back in case value is clamped */
  24 -               *txpower = reg->max_power_level;
  25 -       }
  26 +
  27 +       /* read back in case value is clamped */
  28 +       *txpower = reg->max_power_level;
  29  }
  30  EXPORT_SYMBOL(ath9k_cmn_update_txpow);
  31