package/kernel/mac80211/patches/rt2x00/989-rt2x00-fix-HT20-HT40-bandwidth-switch-on-MT7620.patch

   1 From d20eadcb4eac59c5168f48c33836fba32b8cd1ae Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Fri, 16 Sep 2022 20:26:03 +0100
   4 Subject: [PATCH 11/16] rt2x00: fix HT20/HT40 bandwidth switch 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 Add missing configuration of the channel bandwidth filter to the
  16 channel setup function for MT7620.
  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 | 8 ++++++++
  22  1 file changed, 8 insertions(+)
  23
  24 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  25 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  26 @@ -3814,6 +3814,14 @@ static void rt2800_config_channel_rf7620
  27                 rfcsr |= tx_agc_fc;
  28                 rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr);
  29         }
  30 +
  31 +       if (conf_is_ht40(conf)) {
  32 +               rt2800_bbp_glrt_write(rt2x00dev, 141, 0x10);
  33 +               rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2f);
  34 +       } else {
  35 +               rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1a);
  36 +               rt2800_bbp_glrt_write(rt2x00dev, 157, 0x40);
  37 +       }
  38  }
  39
  40  static void rt2800_config_alc(struct rt2x00_dev *rt2x00dev,