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wifi: mt76: mt7915: fix error recovery with WED enabled

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Do not clear the interrupt mask register on MT7915, since that prevents
MCU_CMD interrupts from being reported, thus causing timeouts during the
reset sequence. Defer stopping WED until tx/rx processing activity has
stopped.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2024-01-18 15:51:53 +01:00
parent 6178554066
commit 350f63c962
1 changed files with 3 additions and 6 deletions
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9
drivers/net/wireless/mediatek/mt76/mt7915/mac.c
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@@ -1520,12 +1520,6 @@ void mt7915_mac_reset_work(struct work_struct *work)
if (!(READ_ONCE(dev->recovery.state) & MT_MCU_CMD_STOP_DMA))
return;
if (mtk_wed_device_active(&dev->mt76.mmio.wed)) {
mtk_wed_device_stop(&dev->mt76.mmio.wed);
if (!is_mt798x(&dev->mt76))
mt76_wr(dev, MT_INT_WED_MASK_CSR, 0);
}
ieee80211_stop_queues(mt76_hw(dev));
if (ext_phy)
ieee80211_stop_queues(ext_phy->hw);
@@ -1545,6 +1539,9 @@ void mt7915_mac_reset_work(struct work_struct *work)
mutex_lock(&dev->mt76.mutex);
if (mtk_wed_device_active(&dev->mt76.mmio.wed))
mtk_wed_device_stop(&dev->mt76.mmio.wed);
mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);
if (mt7915_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) {