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mt7603: fix watchdog reset sequence

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- issue PSE reset first
- skip DMA reset if PSE reset failed
- schedule tx after reset has completed

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2018-11-21 13:08:16 +01:00
parent 4734108318
commit 9428e34d1f
1 changed files with 8 additions and 3 deletions
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mt7603/mac.c
+8 -3
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@@ -1259,6 +1259,10 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mutex_lock(&dev->mt76.mutex);
mt7603_pse_reset(dev);
if (dev->pse_reset_failed)
goto skip_dma_reset;
mt7603_mac_stop(dev);
mt76_clear(dev, MT_WPDMA_GLO_CFG,
@@ -1271,8 +1275,6 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mt7603_beacon_set_timer(dev, -1, 0);
mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_FORCE_TX_EOF);
mt7603_pse_reset(dev);
for (i = 0; i < ARRAY_SIZE(dev->mt76.q_tx); i++)
mt76_queue_tx_cleanup(dev, i, true);
@@ -1282,9 +1284,11 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
mt7603_mac_dma_start(dev);
mt7603_irq_enable(dev, mask);
clear_bit(MT76_RESET, &dev->mt76.state);
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);
@@ -1292,6 +1296,7 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
napi_enable(&dev->mt76.napi[0]);
napi_enable(&dev->mt76.napi[1]);
ieee80211_wake_queues(dev->mt76.hw);
mt76_txq_schedule_all(&dev->mt76);
}
static u32 mt7603_dma_debug(struct mt7603_dev *dev, u8 index)