From ec30326ea773900da210c495e14cfeb532550ba2 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 5 Oct 2013 14:09:30 +0200
Subject: ath9k: fix tx queue scheduling after channel changes

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>
---
 drivers/net/wireless/ath/ath9k/main.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index e4f65900132d..709301f88dcd 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -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 @@ chip_reset:
 
 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;
-- 
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