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mt76: add missing lock configuring coverage class

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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: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2020-06-07 17:01:19 +02:00
committed by Felix Fietkau
parent 85c5160813
commit 7bc58ca2b3
3 changed files with 8 additions and 0 deletions
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mt7603/main.c
+2
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@@ -641,8 +641,10 @@ 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,
mt7615/main.c
+3
View File
@@ -734,9 +734,12 @@ 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
mt7915/main.c
+3
View File
@@ -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