1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index a94c6d8826f..65edb56107f 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -3163,9 +3163,11 @@ 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);
@@ -3173,7 +3175,18 @@ static void bcm43xx_periodic_work_handler(void *d)
                 /* 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);