mt76x2u: introduce mac workqueue support

Add mac workqueue support to mt76x2u driver in order
to compute device statistics and add mac stuck routine
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x2/init.c

@@ -162,6 +162,8 @@ void mt76x2_init_device(struct mt76x02_dev *dev)
 {
 	struct ieee80211_hw *hw = mt76_hw(dev);
 
+	INIT_DELAYED_WORK(&dev->mac_work, mt76x02_mac_work);
+
 	hw->queues = 4;
 	hw->max_rates = 1;
 	hw->max_report_rates = 7;

drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c

@@ -467,7 +467,6 @@ int mt76x2_register_device(struct mt76x02_dev *dev)
 	int i, ret;
 
 	INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate);
-	INIT_DELAYED_WORK(&dev->mac_work, mt76x02_mac_work);
 
 	mt76x2_init_device(dev);
 

drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c

@@ -297,6 +297,7 @@ void mt76x2u_stop_hw(struct mt76x02_dev *dev)
 {
 	mt76u_stop_stat_wk(&dev->mt76);
 	cancel_delayed_work_sync(&dev->cal_work);
+	cancel_delayed_work_sync(&dev->mac_work);
 	mt76x2u_mac_stop(dev);
 }
 

drivers/net/wireless/mediatek/mt76/mt76x2/usb_main.c

@@ -27,6 +27,8 @@ static int mt76x2u_start(struct ieee80211_hw *hw)
 	if (ret)
 		goto out;
 
+	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work,
+				     MT_CALIBRATE_INTERVAL);
 	set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
 
 out: