diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2018-10-31 10:32:58 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-11-30 14:21:42 +0300 |
| commit | b983a5b900627faa49cf37e101d65b56e941c740 (patch) | |
| tree | 8933cadc98672c1432363c5a66d85525da6836c7 /drivers/net/wireless | |
| parent | 88046b2c9f6d8b91cc8b3ada547f49f6dd45469b (diff) | |
| download | linux-b983a5b900627faa49cf37e101d65b56e941c740.tar.xz | |
mt76x0: do not overwrite other MT_BBP(AGC, 8) fields
MT_BBP(AGC, 8) register has values depend on band in
mt76x0_bbp_switch_tab, so we should not overwrite other fields
than MT_BBP_AGC_GAIN when setting gain.
This can fix performance issues when connecting to 2.4GHz AP.
Fixes: 4636a2544c3b ("mt76x0: phy: align channel gain logic to mt76x2 one")
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/phy.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c index c734987a344c..ec9b2a2a403f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -715,10 +715,8 @@ done: static void mt76x0_phy_set_gain_val(struct mt76x02_dev *dev) { u8 gain = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust; - u32 val = 0x122c << 16 | 0xf2; - mt76_wr(dev, MT_BBP(AGC, 8), - val | FIELD_PREP(MT_BBP_AGC_GAIN, gain)); + mt76_rmw_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN, gain); if ((dev->mt76.chandef.chan->flags & IEEE80211_CHAN_RADAR) && !is_mt7630(dev)) |