aboutsummaryrefslogtreecommitdiffstats
path: root/package/mac80211/patches/570-ath9k_tx_stop_failure_debug.patch
blob: 9a57c059477c050fcdbbd0337371de7d32f4d769 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1512,7 +1512,8 @@ bool ath_drain_all_txq(struct ath_softc 
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_txq *txq;
-	int i, npend = 0;
+	int i;
+	u32 npend = 0;
 
 	if (sc->sc_flags & SC_OP_INVALID)
 		return true;
@@ -1524,11 +1525,12 @@ bool ath_drain_all_txq(struct ath_softc 
 		if (!ATH_TXQ_SETUP(sc, i))
 			continue;
 
-		npend += ath9k_hw_numtxpending(ah, sc->tx.txq[i].axq_qnum);
+		if (ath9k_hw_numtxpending(ah, sc->tx.txq[i].axq_qnum))
+			npend |= BIT(i);
 	}
 
 	if (npend)
-		ath_err(common, "Failed to stop TX DMA!\n");
+		ath_err(common, "Failed to stop TX DMA, queues=%08x!\n", npend);
 
 	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
 		if (!ATH_TXQ_SETUP(sc, i))