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wifi: mt76: mt7996: reset device after MCU message timeout

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Trigger a full reset after MCU message timeout.

Signed-off-by: Chad Monroe <[email protected]>
Link: https://patch.msgid.link/6e05ed063f3763ad3457633c56b60a728a49a6f0.1765203753.git.chad@monroe.io
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Chad Monroe
2026-01-27 12:25:24 +00:00
committed by Felix Fietkau
parent db0460d663
commit 07ae843cd4
2 changed files with 14 additions and 0 deletions
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mt7996/mac.c
+5
View File
@@ -2709,6 +2709,11 @@ void mt7996_reset(struct mt7996_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);
}
mt7996/mcu.c
+9
View File
@@ -209,6 +209,7 @@ static int
mt7996_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
struct mt7996_mcu_rxd *rxd;
struct mt7996_mcu_uni_event *event;
int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
@@ -217,6 +218,14 @@ mt7996_mcu_parse_response(struct mt76_dev *mdev, int cmd,
if (!skb) {
dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
cmd, seq);
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;
}