package/kernel/mac80211/patches/325-ath9k-ar9271_hw_pa_cal-use-REG_READ_ARRAY.patch

   1 From: Oleksij Rempel <linux@rempel-privat.de>
   2 Date: Sun, 22 Mar 2015 19:29:52 +0100
   3 Subject: [PATCH] ath9k: ar9271_hw_pa_cal: use REG_READ_ARRAY
   4
   5 insted of reading each register separatly
   6 and waste 4ms on each operation, we can
   7 use one shot read.
   8
   9 Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
  10 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  11 ---
  12
  13 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
  14 +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
  15 @@ -440,8 +440,7 @@ static void ar9271_hw_pa_cal(struct ath_
  16                 { AR9285_AN_RF2G3, 0 },
  17         };
  18
  19 -       for (i = 0; i < ARRAY_SIZE(regList); i++)
  20 -               regList[i][1] = REG_READ(ah, regList[i][0]);
  21 +       REG_READ_ARRAY(ah, regList, ARRAY_SIZE(regList));
  22
  23         ENABLE_REG_RMW_BUFFER(ah);
  24         /* 7834, b1=0 */