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mt76: mmio: introduce mt76x02_check_tx_hang watchdog

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Port mt76x02_check_tx_hang watchdog from vendor driver in order to
perform a device reset when tx mac/dma logic hangs. Tx mac/dma stuck
has been observed when the device is heavy loaded or in a noisy
environment. Moreover introduce wdt delayed work in order to run
tx_hang watchdog. For the moment run mt76x02_check_tx_hang watchdog
just on mt76x2 devices since the issue has not been observed on mt76x0
driver yet

Signed-off-by: Lorenzo Bianconi <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2018-12-28 16:16:41 +01:00
committed by Felix Fietkau
parent c78e317701
commit 3598046d01
8 changed files with 140 additions and 1 deletions
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mt76x2/pci_init.c
+1
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@@ -301,6 +301,7 @@ void mt76x2_stop_hardware(struct mt76x02_dev *dev)
{
cancel_delayed_work_sync(&dev->cal_work);
cancel_delayed_work_sync(&dev->mac_work);
cancel_delayed_work_sync(&dev->wdt_work);
mt76x02_mcu_set_radio_state(dev, false);
mt76x2_mac_stop(dev, false);
}