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mt76x0: use band parameter for LC calibration

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We use always 1 as band parameter for MCU_CAL_LC, this break 2GHz,
we should use 0 for this band instead.

Patch fixes problems happened sometimes when try to associate with 2GHz
AP and manifest by errors like below:

[14680.920823] wlan0: authenticate with 18:31:bf:c0:51:b0
[14681.109506] wlan0: send auth to 18:31:bf:c0:51:b0 (try 1/3)
[14681.310454] wlan0: send auth to 18:31:bf:c0:51:b0 (try 2/3)
[14681.518469] wlan0: send auth to 18:31:bf:c0:51:b0 (try 3/3)
[14681.726499] wlan0: authentication with 18:31:bf:c0:51:b0 timed out

Fixes: 9aec146d0f6b ("mt76x0: pci: introduce mt76x0_phy_calirate routine")
Signed-off-by: Stanislaw Gruszka <[email protected]>
This commit is contained in:
Stanislaw Gruszka
2018-10-25 19:15:54 +02:00
committed by Felix Fietkau
parent ed17ba23e8
commit 14b6c59dc6
1 changed files with 3 additions and 2 deletions
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mt76x0/phy.c
+3 -2
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@@ -522,6 +522,7 @@ void mt76x0_phy_set_txpower(struct mt76x02_dev *dev)
void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
{
struct ieee80211_channel *chan = dev->mt76.chandef.chan;
int is_5ghz = (chan->band == NL80211_BAND_5GHZ) ? 1 : 0;
u32 val, tx_alc, reg_val;
if (is_mt7630(dev))
@@ -542,7 +543,7 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
reg_val = mt76_rr(dev, MT_BBP(IBI, 9));
mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e);
if (chan->band == NL80211_BAND_5GHZ) {
if (is_5ghz) {
if (chan->hw_value < 100)
val = 0x701;
else if (chan->hw_value < 140)
@@ -555,7 +556,7 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
mt76x02_mcu_calibrate(dev, MCU_CAL_FULL, val, false);
msleep(350);
mt76x02_mcu_calibrate(dev, MCU_CAL_LC, 1, false);
mt76x02_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz, false);
usleep_range(15000, 20000);
mt76_wr(dev, MT_BBP(IBI, 9), reg_val);