[PATCH 5.15 175/530] wifi: mt76: mt7615: add mt7615_mutex_acquire/release in mt7615_sta_set_decap_offload

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From: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 7c52a4d85cea..8f1338dae211 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -1186,12 +1186,16 @@ 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
-- 
2.35.1






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