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wifi: mt76: mt7915: improve hardware recovery

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Do not trigger full restarts when running into timeouts during SER.
Immediately abort MCU commands when firmware requests DMA restart.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-10-17 12:32:27 +02:00
parent a178e924e2
commit 990f94e1ac
2 changed files with 12 additions and 5 deletions
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mt7915/mac.c
+5
View File
@@ -1696,6 +1696,11 @@ void mt7915_reset(struct mt7915_dev *dev)
return;
}
if ((READ_ONCE(dev->recovery.state) & MT_MCU_CMD_STOP_DMA)) {
set_bit(MT76_MCU_RESET, &dev->mphy.state);
wake_up(&dev->mt76.mcu.wait);
}
queue_work(dev->mt76.wq, &dev->reset_work);
wake_up(&dev->reset_wait);
}
mt7915/mcu.c
+7 -5
View File
@@ -164,11 +164,13 @@ mt7915_mcu_parse_response(struct mt76_dev *mdev, int cmd,
if (!skb) {
dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
cmd, seq);
dev->recovery.restart = true;
set_bit(MT76_MCU_RESET, &dev->mphy.state);
wake_up(&dev->mt76.mcu.wait);
queue_work(dev->mt76.wq, &dev->reset_work);
wake_up(&dev->reset_wait);
if (!test_and_set_bit(MT76_MCU_RESET, &dev->mphy.state)) {
dev->recovery.restart = true;
wake_up(&dev->mt76.mcu.wait);
queue_work(dev->mt76.wq, &dev->reset_work);
wake_up(&dev->reset_wait);
}
return -ETIMEDOUT;
}