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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Introduce runtime-pm power_save delayed work used to enable low-power after an inactivity period Signed-off-by: Lorenzo Bianconi --- .../net/wireless/mediatek/mt76/mt7615/init.c | 1 + .../net/wireless/mediatek/mt76/mt7615/mac.c | 27 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7615/main.c | 3 +++ .../wireless/mediatek/mt76/mt7615/mt7615.h | 6 ++++- 4 files changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index b5632c71cbbd..c22878b82540 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -445,6 +445,7 @@ 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); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 8910604719b1..7804928f54d8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -1850,6 +1850,33 @@ 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) || !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; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 8ac63ea7cbb8..e63c2584b326 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -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, &dev->mt76.mutex); @@ -1006,6 +1007,8 @@ 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, &dev->mt76.mutex); clear_bit(MT76_STATE_RUNNING, &phy->mt76->state); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h index 8e473bb41a5d..a93ddb1a3def 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h @@ -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) @@ -302,6 +303,7 @@ struct mt7615_dev { struct work_struct wake_work; struct completion wake_cmpl; + struct delayed_work ps_work; unsigned long last_activity; } pm; }; @@ -435,6 +437,8 @@ 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, @@ -501,7 +505,7 @@ static inline void mt7615_mutex_release(struct mt7615_dev *dev, struct mutex *mutex) __releases(mutex) { - dev->pm.last_activity = jiffies; + mt7615_pm_power_save_sched(dev); mutex_unlock(mutex); } -- 2.26.2 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek