From e5f35576c8a986c6456f7d0c7d0f1ff34ccaa165 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Sun, 18 Apr 2021 18:45:42 +0200 Subject: [PATCH] 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: Lorenzo Bianconi Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 2 +- drivers/net/wireless/mediatek/mt76/mt76_connac.h | 2 +- drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c | 8 ++++---- drivers/net/wireless/mediatek/mt76/mt7921/init.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 2 +- 6 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 3ef6bcd..894b258 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -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); diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index adbc726..747bf90 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -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) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h index 116d800..e3937f6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h @@ -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; diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index a263921..66f1667 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -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; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index ce0e231a..2d8dba00 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -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); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 90ede75..7b532318 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1530,7 +1530,7 @@ void mt7921_pm_wake_work(struct work_struct *work) } ieee80211_wake_queues(mphy->hw); - complete_all(&dev->pm.wake_cmpl); + wake_up(&dev->pm.wait); } void mt7921_pm_power_save_work(struct work_struct *work) -- 2.7.4