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mt7603: fix handling lost interrupt events during watchdog reset

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Schedule tx tasklet and rx napi poll after reset to ensure that processing
of DMA queues resumes

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2018-11-21 15:00:15 +01:00
parent a301decead
commit 94cebfc31a
1 changed files with 10 additions and 3 deletions
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mt7603/mac.c
+10 -3
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@@ -1291,6 +1291,8 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mutex_lock(&dev->mt76.mutex);
mt7603_beacon_set_timer(dev, -1, 0);
mt7603_pse_reset(dev);
if (dev->reset_cause[RESET_CAUSE_RESET_FAILED])
goto skip_dma_reset;
@@ -1304,7 +1306,6 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mt7603_irq_disable(dev, mask);
mt7603_beacon_set_timer(dev, -1, 0);
mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_FORCE_TX_EOF);
mt7603_pse_client_reset(dev);
@@ -1319,16 +1320,22 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mt7603_irq_enable(dev, mask);
mt7603_beacon_set_timer(dev, -1, beacon_int);
skip_dma_reset:
clear_bit(MT76_RESET, &dev->mt76.state);
mutex_unlock(&dev->mt76.mutex);
tasklet_enable(&dev->tx_tasklet);
tasklet_schedule(&dev->tx_tasklet);
tasklet_enable(&dev->pre_tbtt_tasklet);
mt7603_beacon_set_timer(dev, -1, beacon_int);
napi_enable(&dev->mt76.napi[0]);
napi_schedule(&dev->mt76.napi[0]);
napi_enable(&dev->mt76.napi[1]);
napi_schedule(&dev->mt76.napi[1]);
ieee80211_wake_queues(dev->mt76.hw);
mt76_txq_schedule_all(&dev->mt76);
}