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ath9k: fix tx queue scheduling after channel changes

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Otherwise, if queues are full during a scan, tx scheduling does not
resume after switching back to the home channel.

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 2013-10-05 14:09:30 +02:00 committed by John W. Linville
parent c1a305abf7
commit ec30326ea7
1 changed files with 11 additions and 12 deletions
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23
drivers/net/wireless/ath/ath9k/main.c
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@ -208,6 +208,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
unsigned long flags;
int i;
if (ath_startrecv(sc) != 0) {
ath_err(common, "Unable to restart recv logic\n");
@ -235,6 +236,15 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
}
work:
ath_restart_work(sc);
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
if (!ATH_TXQ_SETUP(sc, i))
continue;
spin_lock_bh(&sc->tx.txq[i].axq_lock);
ath_txq_schedule(sc, &sc->tx.txq[i]);
spin_unlock_bh(&sc->tx.txq[i].axq_lock);
}
}
ieee80211_wake_queues(sc->hw);
@ -539,21 +549,10 @@ irqreturn_t ath_isr(int irq, void *dev)
static int ath_reset(struct ath_softc *sc)
{
int i, r;
int r;
ath9k_ps_wakeup(sc);
r = ath_reset_internal(sc, NULL);
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
if (!ATH_TXQ_SETUP(sc, i))
continue;
spin_lock_bh(&sc->tx.txq[i].axq_lock);
ath_txq_schedule(sc, &sc->tx.txq[i]);
spin_unlock_bh(&sc->tx.txq[i].axq_lock);
}
ath9k_ps_restore(sc);
return r;