diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 73b994a410b0..d4dbaaa0b279 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -1808,6 +1808,48 @@ mt7615_mac_update_mib_stats(struct mt7615_phy *phy) } } +void mt7615_pm_wake_work(struct work_struct *work) +{ + struct mt7615_dev *dev; + struct mt76_phy *mphy; + + dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev, + pm.wake_work); + mphy = dev->phy.mt76; + + if (mt7615_driver_own(dev)) + dev_err(mphy->dev->dev, "failed to wake device\n"); + + complete_all(&dev->pm.wake_cmpl); +} + +int mt7615_pm_wake(struct mt7615_dev *dev) +{ + struct mt76_phy *mphy = dev->phy.mt76; + + if (!mt7615_firmware_offload(dev)) + return 0; + + if (!mt76_is_mmio(mphy->dev)) + return 0; + + if (!test_bit(MT76_STATE_PM, &mphy->state)) + return 0; + + if (test_bit(MT76_HW_SCANNING, &mphy->state) || + test_bit(MT76_HW_SCHED_SCANNING, &mphy->state)) + return 0; + + if (queue_work(dev->mt76.wq, &dev->pm.wake_work)) + reinit_completion(&dev->pm.wake_cmpl); + + if (!wait_for_completion_timeout(&dev->pm.wake_cmpl, 3 * HZ)) + return -ETIMEDOUT; + + return 0; +} +EXPORT_SYMBOL_GPL(mt7615_pm_wake); + void mt7615_mac_work(struct work_struct *work) { struct mt7615_phy *phy; |