Commit e5f35576 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: connac: use waitqueue for runtime-pm



Simplify the code using a wait_queue_head_t instead of a completion to
wait the chip is fully awake in mt76_connac_pm_wake routine

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 310718ba
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+1 −1
Original line number Diff line number Diff line
@@ -508,7 +508,7 @@ void mt7615_init_device(struct mt7615_dev *dev)
	INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work);
	spin_lock_init(&dev->pm.wake.lock);
	mutex_init(&dev->pm.mutex);
	init_completion(&dev->pm.wake_cmpl);
	init_waitqueue_head(&dev->pm.wait);
	spin_lock_init(&dev->pm.txq_lock);
	set_bit(MT76_STATE_PM, &dev->mphy.state);
	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7615_mac_work);
+1 −1
Original line number Diff line number Diff line
@@ -1919,7 +1919,7 @@ void mt7615_pm_wake_work(struct work_struct *work)
	}

	ieee80211_wake_queues(mphy->hw);
	complete_all(&dev->pm.wake_cmpl);
	wake_up(&dev->pm.wait);
}

void mt7615_pm_power_save_work(struct work_struct *work)
+1 −1
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ struct mt76_connac_pm {
	} tx_q[IEEE80211_NUM_ACS];

	struct work_struct wake_work;
	struct completion wake_cmpl;
	wait_queue_head_t wait;

	struct {
		spinlock_t lock;
+4 −4
Original line number Diff line number Diff line
@@ -17,10 +17,10 @@ int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm)
	if (!test_bit(MT76_STATE_PM, &phy->state))
		return 0;

	if (queue_work(dev->wq, &pm->wake_work))
		reinit_completion(&pm->wake_cmpl);

	if (!wait_for_completion_timeout(&pm->wake_cmpl, 3 * HZ)) {
	queue_work(dev->wq, &pm->wake_work);
	if (!wait_event_timeout(pm->wait,
				!test_bit(MT76_STATE_PM, &phy->state),
				3 * HZ)) {
		ieee80211_wake_queues(phy->hw);
		return -ETIMEDOUT;
	}
+1 −1
Original line number Diff line number Diff line
@@ -225,7 +225,7 @@ int mt7921_register_device(struct mt7921_dev *dev)
	INIT_WORK(&dev->pm.wake_work, mt7921_pm_wake_work);
	spin_lock_init(&dev->pm.wake.lock);
	mutex_init(&dev->pm.mutex);
	init_completion(&dev->pm.wake_cmpl);
	init_waitqueue_head(&dev->pm.wait);
	spin_lock_init(&dev->pm.txq_lock);
	set_bit(MT76_STATE_PM, &dev->mphy.state);
	INIT_LIST_HEAD(&dev->phy.stats_list);
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