---

yaml
---
r: 40745
b: refs/heads/master
c: 81e171b
h: refs/heads/master
i:
  40743: d8a9cea
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 115e222d538e7838bffa0f76409acd9816a0ef32
+refs/heads/master: 81e171b95d2d06a64465a1e6ab1e2fb864ea2448

trunk/drivers/net/wireless/bcm43xx/bcm43xx_main.c

@@ -3163,17 +3163,30 @@ static int estimate_periodic_work_badness(unsigned int state)
 static void bcm43xx_periodic_work_handler(void *d)
 {
 	struct bcm43xx_private *bcm = d;
+	struct net_device *net_dev = bcm->net_dev;
 	unsigned long flags;
 	u32 savedirqs = 0;
 	int badness;
+	unsigned long orig_trans_start = 0;
 
 	mutex_lock(&bcm->mutex);
 	badness = estimate_periodic_work_badness(bcm->periodic_state);
 	if (badness > BADNESS_LIMIT) {
 		/* Periodic work will take a long time, so we want it to
 		 * be preemtible.
 		 */
-		netif_tx_disable(bcm->net_dev);
+
+		netif_tx_lock_bh(net_dev);
+		/* We must fake a started transmission here, as we are going to
+		 * disable TX. If we wouldn't fake a TX, it would be possible to
+		 * trigger the netdev watchdog, if the last real TX is already
+		 * some time on the past (slightly less than 5secs)
+		 */
+		orig_trans_start = net_dev->trans_start;
+		net_dev->trans_start = jiffies;
+		netif_stop_queue(net_dev);
+		netif_tx_unlock_bh(net_dev);
+
 		spin_lock_irqsave(&bcm->irq_lock, flags);
 		bcm43xx_mac_suspend(bcm);
 		if (bcm43xx_using_pio(bcm))
@@ -3198,6 +3211,7 @@ static void bcm43xx_periodic_work_handler(void *d)
 			bcm43xx_pio_thaw_txqueues(bcm);
 		bcm43xx_mac_enable(bcm);
 		netif_wake_queue(bcm->net_dev);
+		net_dev->trans_start = orig_trans_start;
 	}
 	mmiowb();
 	spin_unlock_irqrestore(&bcm->irq_lock, flags);