Commit de5ff3c9 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: mt7615: introduce pm_power_save delayed work 



Introduce runtime-pm power_save delayed work used to enable
low-power after an inactivity period

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 940a0c63

drivers/net/wireless/mediatek/mt76/mt7615/init.c

+1 −0
Original line number Diff line number Diff line
@@ -436,6 +436,7 @@ void mt7615_init_device(struct mt7615_dev *dev) 
	dev->phy.mt76 = &dev->mt76.phy;

	dev->mt76.phy.priv = &dev->phy;



	INIT_DELAYED_WORK(&dev->pm.ps_work, mt7615_pm_power_save_work);

	INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work);

	init_completion(&dev->pm.wake_cmpl);

	INIT_DELAYED_WORK(&dev->phy.mac_work, mt7615_mac_work);

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

+28 −0
Original line number Diff line number Diff line
@@ -1850,6 +1850,34 @@ int mt7615_pm_wake(struct mt7615_dev *dev) 
}

EXPORT_SYMBOL_GPL(mt7615_pm_wake);



void mt7615_pm_power_save_sched(struct mt7615_dev *dev)

{

	struct mt76_phy *mphy = dev->phy.mt76;



	if (!mt7615_firmware_offload(dev) ||

	    !dev->pm.enable || !mt76_is_mmio(mphy->dev) ||

	    !test_bit(MT76_STATE_RUNNING, &mphy->state))

		return;



	dev->pm.last_activity = jiffies;

	if (!test_bit(MT76_STATE_PM, &mphy->state))

		queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work,

				   MT7615_PM_TIMEOUT);

}

EXPORT_SYMBOL_GPL(mt7615_pm_power_save_sched);



void mt7615_pm_power_save_work(struct work_struct *work)

{

	struct mt7615_dev *dev;



	dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev,

						pm.ps_work.work);



	if (mt7615_firmware_own(dev))

		queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work,

				   MT7615_PM_TIMEOUT);

}



void mt7615_mac_work(struct work_struct *work)

{

	struct mt7615_phy *phy;

drivers/net/wireless/mediatek/mt76/mt7615/main.c

+3 −0
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ static void mt7615_stop(struct ieee80211_hw *hw) 
	del_timer_sync(&phy->roc_timer);

	cancel_work_sync(&phy->roc_work);



	cancel_delayed_work_sync(&dev->pm.ps_work);

	cancel_work_sync(&dev->pm.wake_work);



	mt7615_mutex_acquire(dev);
@@ -1003,6 +1004,8 @@ static int mt7615_suspend(struct ieee80211_hw *hw, 
	bool ext_phy = phy != &dev->phy;

	int err = 0;



	cancel_delayed_work_sync(&dev->pm.ps_work);



	mt7615_mutex_acquire(dev);



	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

+7 −1
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#define MT7615_WTBL_STA			(MT7615_WTBL_RESERVED - \

					 MT7615_MAX_INTERFACES)



#define MT7615_PM_TIMEOUT		(HZ / 12)

#define MT7615_WATCHDOG_TIME		(HZ / 10)

#define MT7615_HW_SCAN_TIMEOUT		(HZ / 10)

#define MT7615_RESET_TIMEOUT		(30 * HZ)
@@ -299,9 +300,12 @@ struct mt7615_dev { 
#endif



	struct {

		bool enable;



		struct work_struct wake_work;

		struct completion wake_cmpl;



		struct delayed_work ps_work;

		unsigned long last_activity;

	} pm;

};
@@ -435,6 +439,8 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta, 
			  struct ieee80211_tx_rate *rates);

void mt7615_pm_wake_work(struct work_struct *work);

int mt7615_pm_wake(struct mt7615_dev *dev);

void mt7615_pm_power_save_sched(struct mt7615_dev *dev);

void mt7615_pm_power_save_work(struct work_struct *work);

int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev);

int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd);

int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
@@ -499,7 +505,7 @@ static inline void mt7615_mutex_acquire(struct mt7615_dev *dev) 
static inline void mt7615_mutex_release(struct mt7615_dev *dev)

	__releases(&dev->mt76.mutex)

{

	dev->pm.last_activity = jiffies;

	mt7615_pm_power_save_sched(dev);

	mutex_unlock(&dev->mt76.mutex);

}