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@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt76_connac.h | 12 ++++++++++++
drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 2 +-
3 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 5890fee98d97..45c6fb5832b8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -358,7 +358,7 @@ static int mt7615_mcu_fw_pmctrl(struct mt7615_dev *dev)
mutex_lock(&dev->pm.mutex);
- if (test_and_set_bit(MT76_STATE_PM, &mphy->state))
+ if (mt76_connac_skip_fw_pmctrl(mphy, &dev->pm))
goto out;
mt7622_trigger_hif_int(dev, true);
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)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 44f02cbf9cc7..1204f5d324f8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -1304,7 +1304,7 @@ int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev)
mutex_lock(&dev->pm.mutex);
- if (test_and_set_bit(MT76_STATE_PM, &mphy->state))
+ if (mt76_connac_skip_fw_pmctrl(mphy, &dev->pm))
goto out;
for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
--
2.30.2
