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mt76: mt7921: avoid unnecessary consecutive WiFi resets

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Avoid unnecessary consecutive WiFi resets by dropping reset
request when reset work is working.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang
2021-05-20 11:46:38 +08:00
committed by Felix Fietkau
parent f011c3691a
commit f07ac384b4
2 changed files with 5 additions and 1 deletions
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5
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
View File

@@ -1312,6 +1312,7 @@ void mt7921_mac_reset_work(struct work_struct *work)
int i;
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);
@@ -1338,6 +1339,7 @@ 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,
@@ -1349,7 +1351,8 @@ 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

1
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
View File

@@ -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;