package/kernel/mac80211/patches/rt2x00/986-rt2x00-don-t-run-Rt5592-IQ-calibration-on-MT7620.patch

   1 From 5f921753b95927c964a5061b5b64c310b968ff3e Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Fri, 16 Sep 2022 20:43:14 +0100
   4 Subject: [PATCH 08/16] rt2x00: don't run Rt5592 IQ calibration on MT7620
   5 To: linux-wireless@vger.kernel.org,
   6     Stanislaw Gruszka <stf_xl@wp.pl>,
   7     Helmut Schaa <helmut.schaa@googlemail.com>
   8 Cc: Kalle Valo <kvalo@kernel.org>,
   9     David S. Miller <davem@davemloft.net>,
  10     Eric Dumazet <edumazet@google.com>,
  11     Jakub Kicinski <kuba@kernel.org>,
  12     Paolo Abeni <pabeni@redhat.com>,
  13     Johannes Berg <johannes.berg@intel.com>
  14
  15 The function rt2800_iq_calibrate is intended for Rt5592 only.
  16 Don't call it for MT7620 which has it's own calibration functions.
  17
  18 Reported-by: Serge Vasilugin <vasilugin@yandex.ru>
  19 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  20 ---
  21  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 3 ++-
  22  1 file changed, 2 insertions(+), 1 deletion(-)
  23
  24 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  25 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  26 @@ -4366,7 +4366,8 @@ static void rt2800_config_channel(struct
  27                 reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
  28                 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
  29
  30 -               rt2800_iq_calibrate(rt2x00dev, rf->channel);
  31 +               if (!rt2x00_rt(rt2x00dev, RT6352))
  32 +                       rt2800_iq_calibrate(rt2x00dev, rf->channel);
  33         }
  34
  35         if (rt2x00_rt(rt2x00dev, RT6352)) {