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mt76: mt7615: do not request {driver,fw}_own if already granted

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Check MT76_STATE_PM in mt7615_driver_own/mt7615_firmware_own
in order to not requested power ownership if it is already granted

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-07-03 10:15:57 +02:00 • committed by Felix Fietkau
parent a2b30bd409
commit 1f549009b5
3 changed files with 14 additions and 10 deletions
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1
drivers/net/wireless/mediatek/mt76/mt7615/init.c
View file

@ -442,6 +442,7 @@ void mt7615_init_device(struct mt7615_dev *dev)
INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work);
init_completion(&dev->pm.wake_cmpl);
spin_lock_init(&dev->pm.txq_lock);
set_bit(MT76_STATE_PM, &dev->mphy.state);
INIT_DELAYED_WORK(&dev->phy.mac_work, mt7615_mac_work);
INIT_DELAYED_WORK(&dev->phy.scan_work, mt7615_scan_work);
skb_queue_head_init(&dev->phy.scan_event_list);

21
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View file

@ -1894,6 +1894,9 @@ int mt7615_driver_own(struct mt7615_dev *dev)
int err = 0;
u32 addr;
if (!test_and_clear_bit(MT76_STATE_PM, &mphy->state))
goto out;
mt7622_trigger_hif_int(dev, true);
addr = is_mt7663(mdev) ? MT_PCIE_DOORBELL_PUSH : MT_CFG_LPCR_HOST;
@ -1901,15 +1904,13 @@ int mt7615_driver_own(struct mt7615_dev *dev)
addr = is_mt7663(mdev) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
if (!mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
dev_err(mdev->dev, "Timeout for driver own\n");
set_bit(MT76_STATE_PM, &mphy->state);
err = -EIO;
goto out;
}
clear_bit(MT76_STATE_PM, &mphy->state);
out:
mt7622_trigger_hif_int(dev, false);
out:
dev->pm.last_activity = jiffies;
return err;
@ -1922,22 +1923,22 @@ int mt7615_firmware_own(struct mt7615_dev *dev)
int err = 0;
u32 addr;
addr = is_mt7663(&dev->mt76) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
if (test_and_set_bit(MT76_STATE_PM, &mphy->state))
return 0;
mt7622_trigger_hif_int(dev, true);
addr = is_mt7663(&dev->mt76) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_FW_OWN);
if (is_mt7622(&dev->mt76) &&
!mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN,
MT_CFG_LPCR_HOST_FW_OWN, 300)) {
dev_err(dev->mt76.dev, "Timeout for firmware own\n");
clear_bit(MT76_STATE_PM, &mphy->state);
err = -EIO;
goto out;
}
set_bit(MT76_STATE_PM, &mphy->state);
out:
mt7622_trigger_hif_int(dev, false);
return err;

2
drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
View file

@ -60,6 +60,8 @@ int mt7663u_mcu_init(struct mt7615_dev *dev)
dev->mt76.mcu_ops = &mt7663u_mcu_ops,
/* usb does not support runtime-pm */
clear_bit(MT76_STATE_PM, &dev->mphy.state);
mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
if (test_and_clear_bit(MT76_STATE_POWER_OFF, &dev->mphy.state)) {