From: Bob Copeland <me@bobcopeland.com>
Date: Wed, 29 Jul 2009 21:32:28 +0000 (-0400)
Subject: ath5k: fix CAB queue operation
X-Git-Tag: firefly_0821_release~12983^2~459^2~72
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8784d2ee92fc835bf18dd5096f00ec9a48dc0590;p=firefly-linux-kernel-4.4.55.git

ath5k: fix CAB queue operation

We need to process tx descriptors for all queues (currently main tx
queue and cabq) which may have triggered the TX completion interrupt.
Otherwise, the queues can get stuck after sending a few frames.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 55ee976ab6d7..3a1c156d275f 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -2000,9 +2000,12 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
 static void
 ath5k_tasklet_tx(unsigned long data)
 {
+	int i;
 	struct ath5k_softc *sc = (void *)data;
 
-	ath5k_tx_processq(sc, sc->txq);
+	for (i=0; i < AR5K_NUM_TX_QUEUES; i++)
+		if (sc->txqs[i].setup && (sc->ah->ah_txq_isr & BIT(i)))
+			ath5k_tx_processq(sc, &sc->txqs[i]);
 }