package/kernel/mac80211/patches/rt2x00/018-rt2800-enable-TX_PIN_CFG_RFRX_EN-only-for-MT7620.patch

   1 From 7aca14885edeab536a8cbe1e7cfeadd4c3310b9b Mon Sep 17 00:00:00 2001
   2 From: Stanislaw Gruszka <sgruszka@redhat.com>
   3 Date: Wed, 13 Feb 2019 11:09:15 +0100
   4 Subject: [PATCH 18/28] rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
   5
   6 The TX_PIN_CFG_RFRX_EN bit was not set on other devices than MT7620,
   7 restore old behavaviour since setting this bit maight not be
   8 correct for older devices.
   9
  10 Fixes: 41977e86c984 ("rt2x00: add support for MT7620")
  11 Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
  12 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  13 ---
  14  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 ++++---
  15  1 file changed, 4 insertions(+), 3 deletions(-)
  16
  17 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  18 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  19 @@ -3858,10 +3858,12 @@ static void rt2800_config_channel(struct
  20         if (rt2x00_rt(rt2x00dev, RT3572))
  21                 rt2800_rfcsr_write(rt2x00dev, 8, 0);
  22
  23 -       if (rt2x00_rt(rt2x00dev, RT6352))
  24 +       if (rt2x00_rt(rt2x00dev, RT6352)) {
  25                 tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
  26 -       else
  27 +               rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1);
  28 +       } else {
  29                 tx_pin = 0;
  30 +       }
  31
  32         switch (rt2x00dev->default_ant.tx_chain_num) {
  33         case 3:
  34 @@ -3916,7 +3918,6 @@ static void rt2800_config_channel(struct
  35
  36         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
  37         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
  38 -       rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); /* mt7620 */
  39
  40         rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
  41