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mt76: mt7615: check MT76_STATE_PM flag before accessing the device

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Double-check if the device is in low-power state before accessing
registermap in mt7615_sta_rate_tbl_update() and in
mt7615_led_set_config()

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2020-07-03 10:15:56 +02:00
committed by Felix Fietkau
parent 1eae3fb949
commit a2b30bd409
2 changed files with 8 additions and 2 deletions
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6
drivers/net/wireless/mediatek/mt76/mt7615/main.c
View File

@@ -664,8 +664,10 @@ static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
break;
}
msta->n_rates = i;
mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
msta->rate_probe = false;
if (!test_bit(MT76_STATE_PM, &phy->mt76->state)) {
mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
msta->rate_probe = false;
}
spin_unlock_bh(&dev->mt76.lock);
}

4
drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c
View File

@@ -70,6 +70,10 @@ mt7615_led_set_config(struct led_classdev *led_cdev,
mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);
dev = container_of(mt76, struct mt7615_dev, mt76);
if (test_bit(MT76_STATE_PM, &mt76->phy.state))
return;
val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
FIELD_PREP(MT_LED_STATUS_ON, delay_on);