diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-04-18 18:45:36 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-21 20:55:53 +0200 |
| commit | ec7bd7b4a9c0e7e90d23b4f6a7dca2c713fe93ab (patch) | |
| tree | 0c0877393a7fafcc5f0aac4ae526d8045ccf9bc4 /drivers/net/wireless/mediatek/mt76/mt76_connac.h | |
| parent | 4f9b3aeb837a9df029b56179be7b0505de4400de (diff) | |
mt76: connac: check wake refcount in mcu_fw_pmctrl
In order to avoid synchronization races between tx and rx path, rely on
mt76_connac_skip_fw_pmctrl putting the chip in sleep mode for mt7921 and
mt7663 devices
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76_connac.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h index 85846eab8d7d..116d800c9f9d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h @@ -116,6 +116,18 @@ mt76_connac_pm_unref(struct mt76_connac_pm *pm) spin_unlock_bh(&pm->wake.lock); } +static inline bool +mt76_connac_skip_fw_pmctrl(struct mt76_phy *phy, struct mt76_connac_pm *pm) +{ + bool ret; + + spin_lock_bh(&pm->wake.lock); + ret = pm->wake.count || test_and_set_bit(MT76_STATE_PM, &phy->state); + spin_unlock_bh(&pm->wake.lock); + + return ret; +} + static inline void mt76_connac_mutex_acquire(struct mt76_dev *dev, struct mt76_connac_pm *pm) __acquires(&dev->mutex) |