public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ath9k: limit tx path hang check to normal data queues

Browse source 
The beacon and multicast-buffer queues are managed by the beacon
tasklet, and the generic tx path hang check does not help in any way
here. Running it on those queues anyway can introduce some race
conditions leading to unnecessary chip resets.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2013-03-15 16:18:44 +01:00 • committed by John W. Linville
parent 74632d11a1
commit 01d4ab96d2
1 changed files with 13 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
drivers/net/wireless/ath/ath9k/link.c
View file

@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct work_struct *work)
int i;
bool needreset = false;
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i)) {
txq = &sc->tx.txq[i];
ath_txq_lock(sc, txq);
if (txq->axq_depth) {
if (txq->axq_tx_inprogress) {
needreset = true;
ath_txq_unlock(sc, txq);
break;
} else {
txq->axq_tx_inprogress = true;
}
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
txq = sc->tx.txq_map[i];
ath_txq_lock(sc, txq);
if (txq->axq_depth) {
if (txq->axq_tx_inprogress) {
needreset = true;
ath_txq_unlock(sc, txq);
break;
} else {
txq->axq_tx_inprogress = true;
}
ath_txq_unlock_complete(sc, txq);
}
ath_txq_unlock_complete(sc, txq);
}
if (needreset) {
ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,