ath9k: remove the queue wake optimization, it may be unreliable in some cases

SVN-Revision: 30959

package/mac80211/patches/565-ath9k_optimize_queue_wake.patch

@@ -1,39 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -121,13 +121,24 @@ static void ath_txq_unlock_complete(stru
- {
- 	struct sk_buff_head q;
- 	struct sk_buff *skb;
-+	int qnum = txq->mac80211_qnum;
-+	bool wake = false;
- 
- 	__skb_queue_head_init(&q);
- 	skb_queue_splice_init(&txq->complete_q, &q);
-+
-+	if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
-+		txq->stopped = false;
-+		wake = true;
-+	}
-+
- 	spin_unlock_bh(&txq->axq_lock);
- 
- 	while ((skb = __skb_dequeue(&q)))
- 		ieee80211_tx_status(sc->hw, skb);
-+
-+	if (wake)
-+		ieee80211_wake_queue(sc->hw, qnum);
- }
- 
- static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid)
-@@ -2037,11 +2048,6 @@ static void ath_tx_complete(struct ath_s
- 	if (txq == sc->tx.txq_map[q]) {
- 		if (WARN_ON(--txq->pending_frames < 0))
- 			txq->pending_frames = 0;
--
--		if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
--			ieee80211_wake_queue(sc->hw, q);
--			txq->stopped = false;
--		}
- 	}
- 
- 	__skb_queue_tail(&txq->complete_q, skb);