76 lines
1.9 KiB
Diff
76 lines
1.9 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -2149,54 +2149,37 @@ static void ath9k_set_coverage_class(str
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static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
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{
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-#define ATH_FLUSH_TIMEOUT 60 /* ms */
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struct ath_softc *sc = hw->priv;
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- struct ath_txq *txq = NULL;
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- struct ath_hw *ah = sc->sc_ah;
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- struct ath_common *common = ath9k_hw_common(ah);
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- int i, j, npend = 0;
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+ int timeout = 60; /* ms */
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+ int i, j;
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mutex_lock(&sc->mutex);
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cancel_delayed_work_sync(&sc->tx_complete_work);
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- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
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- if (!ATH_TXQ_SETUP(sc, i))
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- continue;
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- txq = &sc->tx.txq[i];
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-
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- if (!drop) {
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- for (j = 0; j < ATH_FLUSH_TIMEOUT; j++) {
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- if (!ath9k_has_pending_frames(sc, txq))
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- break;
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- usleep_range(1000, 2000);
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- }
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- }
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+ if (drop)
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+ timeout = 1;
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- if (drop || ath9k_has_pending_frames(sc, txq)) {
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- ath_dbg(common, ATH_DBG_QUEUE, "Drop frames from hw queue:%d\n",
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- txq->axq_qnum);
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- spin_lock_bh(&txq->axq_lock);
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- txq->txq_flush_inprogress = true;
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- spin_unlock_bh(&txq->axq_lock);
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-
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- ath9k_ps_wakeup(sc);
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- ath9k_hw_stoptxdma(ah, txq->axq_qnum);
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- npend = ath9k_hw_numtxpending(ah, txq->axq_qnum);
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- ath9k_ps_restore(sc);
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- if (npend)
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- break;
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+ for (j = 0; j < timeout; j++) {
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+ int npend = 0;
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+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
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+ if (!ATH_TXQ_SETUP(sc, i))
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+ continue;
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- ath_draintxq(sc, txq, false);
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- txq->txq_flush_inprogress = false;
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+ npend += ath9k_has_pending_frames(sc, &sc->tx.txq[i]);
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}
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- }
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- if (npend) {
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- ath_reset(sc, false);
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- txq->txq_flush_inprogress = false;
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+ if (!npend)
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+ goto out;
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+
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+ usleep_range(1000, 2000);
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}
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+ ath9k_ps_wakeup(sc);
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+ ath_drain_all_txq(sc, false);
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+ ath9k_ps_restore(sc);
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+
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+out:
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ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
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mutex_unlock(&sc->mutex);
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}
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