package/kernel/mac80211/patches/322-ath9k-ar9271_hw_pa_cal-use-RMW-buffer.patch

   1 From: Oleksij Rempel <linux@rempel-privat.de>
   2 Date: Sun, 22 Mar 2015 19:29:49 +0100
   3 Subject: [PATCH] ath9k: ar9271_hw_pa_cal: use RMW buffer
   4
   5 Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
   6 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
   7 ---
   8
   9 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
  10 +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
  11 @@ -436,13 +436,14 @@ static void ar9271_hw_pa_cal(struct ath_
  12                 { AR9285_AN_RF2G2, 0 },
  13                 { AR9285_AN_TOP2, 0 },
  14                 { AR9285_AN_RF2G8, 0 },
  15 -               { AR9285_AN_RF2G7, 0 } ,
  16 -               { AR9285_AN_RF2G3, 0 } ,
  17 +               { AR9285_AN_RF2G7, 0 },
  18 +               { AR9285_AN_RF2G3, 0 },
  19         };
  20
  21         for (i = 0; i < ARRAY_SIZE(regList); i++)
  22                 regList[i][1] = REG_READ(ah, regList[i][0]);
  23
  24 +       ENABLE_REG_RMW_BUFFER(ah);
  25         /* 7834, b1=0 */
  26         REG_CLR_BIT(ah, AR9285_AN_RF2G6, 1 << 0);
  27         /* 9808, b27=1 */
  28 @@ -476,6 +477,7 @@ static void ar9271_hw_pa_cal(struct ath_
  29         REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
  30         /* 7828, b0-11, ccom=fff */
  31         REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_CCOMP, 0xfff);
  32 +       REG_RMW_BUFFER_FLUSH(ah);
  33
  34         /* Set:
  35          * localmode=1,bmode=1,bmoderxtx=1,synthon=1,
  36 @@ -514,10 +516,12 @@ static void ar9271_hw_pa_cal(struct ath_
  37         }
  38
  39
  40 +       ENABLE_REG_RMW_BUFFER(ah);
  41         /* 7834, b1=1 */
  42         REG_SET_BIT(ah, AR9285_AN_RF2G6, 1 << 0);
  43         /* 9808, b27=0 */
  44         REG_CLR_BIT(ah, 0x9808, 1 << 27);
  45 +       REG_RMW_BUFFER_FLUSH(ah);
  46
  47         ENABLE_REGWRITE_BUFFER(ah);
  48         for (i = 0; i < ARRAY_SIZE(regList); i++)