From: Sean Wang <sean.wang@xxxxxxxxxxxx>
[ Upstream commit f07ac384b4579f294bb1e0380ed501156219ed71 ]
Avoid unnecessary consecutive WiFi resets by dropping reset
request when reset work is working.
Co-developed-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 5 ++++-
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 9bb88b2e28a9..4eac7c3206f9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -1272,6 +1272,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
hw = mt76_hw(dev);
dev_err(dev->mt76.dev, "chip reset\n");
+ dev->hw_full_reset = true;
ieee80211_stop_queues(hw);
cancel_delayed_work_sync(&dev->mphy.mac_work);
@@ -1296,6 +1297,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
ieee80211_scan_completed(dev->mphy.hw, &info);
}
+ dev->hw_full_reset = false;
ieee80211_wake_queues(hw);
ieee80211_iterate_active_interfaces(hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
@@ -1306,7 +1308,8 @@ void mt7921_reset(struct mt76_dev *mdev)
{
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
- queue_work(dev->mt76.wq, &dev->reset_work);
+ if (!dev->hw_full_reset)
+ queue_work(dev->mt76.wq, &dev->reset_work);
}
static void
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 59862ea4951c..4cc8a372b277 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -156,6 +156,7 @@ struct mt7921_dev {
u16 chainmask;
struct work_struct reset_work;
+ bool hw_full_reset;
struct list_head sta_poll_list;
spinlock_t sta_poll_lock;
--
2.30.2
