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mt76: mt7603: stop mac80211 queues before setting the channel

PATCH In review Lorenzo Bianconi 2 participants 2 messages May 5, 2019 – May 11, 2019 1 message not in the archive

Subsystems (2)
Arm MediaTek MediaTek MT76 wireless LAN driver
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Lorenzo Bianconi

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PATCH 1/1 mt76: mt7603: stop mac80211 queues before setting the channel

Suspend data transmission during channel switch

Signed-off-by Lorenzo Bianconi <[email protected]>
---
 drivers/net/wireless/mediatek/mt76/mt7603/main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
drivers/net/wireless/mediatek/mt76/mt7603/main.c +4 -1
index 0a0334dc40d5..172687a1cb15 100644
@@ -207,8 +207,11 @@ mt7603_config(struct ieee80211_hw *hw, u32 changed)
 	int ret = 0;
 
 	if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
-		       IEEE80211_CONF_CHANGE_POWER))
+		       IEEE80211_CONF_CHANGE_POWER)) {
+		ieee80211_stop_queues(hw);
 		ret = mt7603_set_channel(dev, &hw->conf.chandef);
+		ieee80211_wake_queues(hw);
+	}
 
 	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
 		mutex_lock(&dev->mt76.mutex);
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2.20.1