Commit bb577682 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: add missing lock configuring coverage class 



Coverage class callback can potentially run in parallel with other
routines (e.g. mt7615_set_channel) that configures timing registers.
Run coverage class callback holding mt76 mutex

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 1806c13d

drivers/net/wireless/mediatek/mt76/mt7603/main.c

+2 −0
Original line number Diff line number Diff line
@@ -642,8 +642,10 @@ mt7603_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 
{

	struct mt7603_dev *dev = hw->priv;



	mutex_lock(&dev->mt76.mutex);

	dev->coverage_class = max_t(s16, coverage_class, 0);

	mt7603_mac_set_timing(dev);

	mutex_unlock(&dev->mt76.mutex);

}



static void mt7603_tx(struct ieee80211_hw *hw,

drivers/net/wireless/mediatek/mt76/mt7615/main.c

+3 −0
Original line number Diff line number Diff line
@@ -735,9 +735,12 @@ static void 
mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)

{

	struct mt7615_phy *phy = mt7615_hw_phy(hw);

	struct mt7615_dev *dev = phy->dev;



	mutex_lock(&dev->mt76.mutex);

	phy->coverage_class = max_t(s16, coverage_class, 0);

	mt7615_mac_set_timing(phy);

	mutex_unlock(&dev->mt76.mutex);

}



static int

drivers/net/wireless/mediatek/mt76/mt7915/main.c

+3 −0
Original line number Diff line number Diff line
@@ -716,9 +716,12 @@ static void 
mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)

{

	struct mt7915_phy *phy = mt7915_hw_phy(hw);

	struct mt7915_dev *dev = phy->dev;



	mutex_lock(&dev->mt76.mutex);

	phy->coverage_class = max_t(s16, coverage_class, 0);

	mt7915_mac_set_timing(phy);

	mutex_unlock(&dev->mt76.mutex);

}



static int

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