package/mac80211/patches/541-ath9k_pllclock_fix.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
   3 @@ -447,26 +447,27 @@ static void ar9002_olc_init(struct ath_h
   4  static u32 ar9002_hw_compute_pll_control(struct ath_hw *ah,
   5                                          struct ath9k_channel *chan)
   6  {
   7 +       int ref_div = 5;
   8 +       int pll_div = 0x2c;
   9         u32 pll;
  10
  11 -       pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
  12 +       if (chan && IS_CHAN_5GHZ(chan) && !IS_CHAN_A_FAST_CLOCK(ah, chan)) {
  13 +               if (AR_SREV_9280_20(ah)) {
  14 +                       ref_div = 10;
  15 +                       pll_div = 0x50;
  16 +               } else {
  17 +                       pll_div = 0x28;
  18 +               }
  19 +       }
  20 +
  21 +       pll = SM(ref_div, AR_RTC_9160_PLL_REFDIV);
  22 +       pll |= SM(pll_div, AR_RTC_9160_PLL_DIV);
  23
  24         if (chan && IS_CHAN_HALF_RATE(chan))
  25                 pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
  26         else if (chan && IS_CHAN_QUARTER_RATE(chan))
  27                 pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
  28
  29 -       if (chan && IS_CHAN_5GHZ(chan)) {
  30 -               if (IS_CHAN_A_FAST_CLOCK(ah, chan))
  31 -                       pll = 0x142c;
  32 -               else if (AR_SREV_9280_20(ah))
  33 -                       pll = 0x2850;
  34 -               else
  35 -                       pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
  36 -       } else {
  37 -               pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
  38 -       }
  39 -
  40         return pll;
  41  }
  42