[6.0,283/862] wifi: mt76: mt7615: add mt7615_mutex_acquire/release in mt7615_sta_set_decap_offload
Commit Message
Greg KH
Oct. 19, 2022, 8:26 a.m. UTC
From: Lorenzo Bianconi <lorenzo@kernel.org> [ Upstream commit 765c69d477a44c088e5d19e7758dfa4db418e3ba ] Similar to mt7921 driver, introduce mt7615_mutex_acquire/release in mt7615_sta_set_decap_offload in order to avoid sending mcu commands while the device is in low-power state. Fixes: d4b98c63d7a77 ("mt76: mt7615: add support for rx decapsulation offload") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt7615/main.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 9bf8545c8c17..8d4733f87cda 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -1195,12 +1195,16 @@ static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw, struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv; + mt7615_mutex_acquire(dev); + if (enabled) set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); else clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags); mt7615_mcu_set_sta_decap_offload(dev, vif, sta); + + mt7615_mutex_release(dev); } #ifdef CONFIG_PM