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mt76: fix setting chan->max_power

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When setting chan->max_power after registering the wiphy, chan->max_reg_power
needs to be used as a limit

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2019-05-31 22:03:13 +02:00
parent 89cda5d854
commit 77d0e3378b
3 changed files with 9 additions and 7 deletions
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mt76x2/init.c
+5 -4
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@@ -173,13 +173,14 @@ void mt76x2_init_txpower(struct mt76x02_dev *dev,
mt76x2_get_power_info(dev, &txp, chan);
mt76x2_get_rate_power(dev, &t, chan);
chan->max_power = mt76x02_get_max_rate_power(&t) +
chan->orig_mpwr = mt76x02_get_max_rate_power(&t) +
txp.target_power;
chan->max_power = DIV_ROUND_UP(chan->max_power, 2);
chan->orig_mpwr = DIV_ROUND_UP(chan->orig_mpwr, 2);
/* convert to combined output power on 2x2 devices */
chan->max_power += 3;
chan->orig_mpwr = chan->max_power;
chan->orig_mpwr += 3;
chan->max_power = min_t(int, chan->max_reg_power,
chan->orig_mpwr);
}
}
EXPORT_SYMBOL_GPL(mt76x2_init_txpower);