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    Subject[PATCH 6.0 283/862] wifi: mt76: mt7615: add mt7615_mutex_acquire/release in mt7615_sta_set_decap_offload
    Date
    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
    --
    2.35.1


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