Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-26 12:52:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

mt76: usb: avoid queue/status spinlocks while passing tx status to mac80211

Browse Source 
As already done for pcie code in commit 79d1c94c9c ("mt76: avoid
queue/status spinlocks while passing tx status to mac80211") make sure
that no tx related spinlocks are taken during the ieee80211_tx_status call

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2018-12-06 19:11:55 +01:00 committed by Felix Fietkau
parent 4989338ed3
commit e207afa023
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/mediatek/mt76/usb.c
View File

@ -583,6 +583,7 @@ static void mt76u_stop_rx(struct mt76_dev *dev)
static void mt76u_tx_tasklet(unsigned long data)
{
struct mt76_dev *dev = (struct mt76_dev *)data;
struct mt76_queue_entry entry;
struct mt76u_buf *buf;
struct mt76_queue *q;
bool wake;
@ -597,17 +598,18 @@ static void mt76u_tx_tasklet(unsigned long data)
if (!buf->done || !q->queued)
break;
dev->drv->tx_complete_skb(dev, q,
&q->entry[q->head],
false);
if (q->entry[q->head].schedule) {
q->entry[q->head].schedule = false;
q->swq_queued--;
}
entry = q->entry[q->head];
q->head = (q->head + 1) % q->ndesc;
q->queued--;
spin_unlock_bh(&q->lock);
dev->drv->tx_complete_skb(dev, q, &entry, false);
spin_lock_bh(&q->lock);
}
mt76_txq_schedule(dev, q);
wake = i < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;