diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 8a286b8..bcc8ffc 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1449,6 +1449,7 @@ int zd_chip_enable_rxtx(struct zd_chip *chip)
 	mutex_lock(&chip->mutex);
 	zd_usb_enable_tx(&chip->usb);
 	r = zd_usb_enable_rx(&chip->usb);
+	zd_tx_watchdog_enable(&chip->usb);
 	mutex_unlock(&chip->mutex);
 	return r;
 }
@@ -1456,6 +1457,7 @@ int zd_chip_enable_rxtx(struct zd_chip *chip)
 void zd_chip_disable_rxtx(struct zd_chip *chip)
 {
 	mutex_lock(&chip->mutex);
+	zd_tx_watchdog_disable(&chip->usb);
 	zd_usb_disable_rx(&chip->usb);
 	zd_usb_disable_tx(&chip->usb);
 	mutex_unlock(&chip->mutex);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 4c3e92a..1fc733c 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -264,7 +264,7 @@ static int set_mc_hash(struct zd_mac *mac)
 	return zd_chip_set_multicast_hash(&mac->chip, &hash);
 }
 
-static int zd_op_start(struct ieee80211_hw *hw)
+int zd_op_start(struct ieee80211_hw *hw)
 {
 	struct zd_mac *mac = zd_hw_mac(hw);
 	struct zd_chip *chip = &mac->chip;
@@ -314,7 +314,7 @@ out:
 	return r;
 }
 
-static void zd_op_stop(struct ieee80211_hw *hw)
+void zd_op_stop(struct ieee80211_hw *hw)
 {
 	struct zd_mac *mac = zd_hw_mac(hw);
 	struct zd_chip *chip = &mac->chip;
@@ -342,7 +342,7 @@ static void zd_op_stop(struct ieee80211_hw *hw)
 		dev_kfree_skb_any(skb);
 }
 
-static int zd_restore_settings(struct zd_mac *mac)
+int zd_restore_settings(struct zd_mac *mac)
 {
 	struct sk_buff *beacon;
 	struct zd_mc_hash multicast_hash;
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index 155d4b8..d769490 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -316,6 +316,10 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length);
 void zd_mac_tx_failed(struct urb *urb);
 void zd_mac_tx_to_dev(struct sk_buff *skb, int error);
 
+int zd_op_start(struct ieee80211_hw *hw);
+void zd_op_stop(struct ieee80211_hw *hw);
+int zd_restore_settings(struct zd_mac *mac);
+
 #ifdef DEBUG
 void zd_dump_rx_status(const struct rx_status *status);
 #else
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index b709a9d..1ed7e12 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -605,6 +605,7 @@ static void rx_urb_complete(struct urb *urb)
 	struct zd_usb_rx *rx;
 	const u8 *buffer;
 	unsigned int length;
+	int r;
 
 	switch (urb->status) {
 	case 0:
@@ -654,7 +655,9 @@ static void rx_urb_complete(struct urb *urb)
 	}
 
 resubmit:
-	usb_submit_urb(urb, GFP_ATOMIC);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r)
+		dev_dbg_f(urb_dev(urb), "urb %p resubmit error %d\n", urb, r);
 }
 
 static struct urb *alloc_rx_urb(struct zd_usb *usb)
@@ -950,6 +953,7 @@ int zd_usb_tx(struct zd_usb *usb, struct sk_buff *skb)
 		          skb->data, skb->len, tx_urb_complete, skb);
 
 	info->rate_driver_data[1] = urb;
+	info->rate_driver_data[2] = (void *)jiffies;
 	skb_queue_tail(&tx->submitted_queue, skb);
 
 	r = usb_submit_urb(urb, GFP_ATOMIC);
@@ -965,6 +969,75 @@ out:
 	return r;
 }
 
+static bool zd_tx_timeout(struct zd_usb *usb)
+{
+	struct zd_usb_tx *tx = &usb->tx;
+	struct sk_buff_head *q = &tx->submitted_queue;
+	struct sk_buff *skb, *skbnext;
+	struct ieee80211_tx_info *info;
+	unsigned long trans_start;
+	bool have_timedout = false;
+
+	spin_lock_irq(&tx->lock);
+	spin_lock(&q->lock);
+	skb_queue_walk_safe(q, skb, skbnext) {
+		info = IEEE80211_SKB_CB(skb);
+		trans_start = (unsigned long)info->rate_driver_data[2];
+
+		if (time_is_before_jiffies(trans_start + ZD_TX_TIMEOUT)) {
+			have_timedout = true;
+			break;
+		}
+	}
+	spin_unlock(&q->lock);
+	spin_unlock_irq(&tx->lock);
+
+	return have_timedout;
+}
+
+static void tx_watchdog_handler(struct work_struct *work)
+{
+	struct zd_usb *usb =
+		container_of(work, struct zd_usb, tx_watchdog_work.work);
+	struct zd_usb_tx *tx = &usb->tx;
+
+	if (!usb->watchdog_enabled || !tx->enabled)
+		goto out;
+	if (!zd_tx_timeout(usb))
+		goto out;
+
+	/* TX halted, try reset */
+	dev_warn(zd_usb_dev(usb), "TX-stall detected, reseting device...");
+
+	usb_queue_reset_device(usb->intf);
+
+	/* reset will stop this worker, don't rearm */
+	return;
+out:
+	queue_delayed_work(zd_workqueue, &usb->tx_watchdog_work,
+			   ZD_TX_WATCHDOG_INTERVAL);
+}
+
+void zd_tx_watchdog_enable(struct zd_usb *usb)
+{
+	if (!usb->watchdog_enabled) {
+		dev_dbg_f(zd_usb_dev(usb), "\n");
+		queue_delayed_work(zd_workqueue, &usb->tx_watchdog_work,
+				   ZD_TX_WATCHDOG_INTERVAL);
+		usb->watchdog_enabled = 1;
+	}
+}
+
+void zd_tx_watchdog_disable(struct zd_usb *usb)
+{
+	if (usb->watchdog_enabled) {
+		dev_dbg_f(zd_usb_dev(usb), "\n");
+		usb->watchdog_enabled = 0;
+		cancel_rearming_delayed_workqueue(zd_workqueue,
+						  &usb->tx_watchdog_work);
+	}
+}
+
 static inline void init_usb_interrupt(struct zd_usb *usb)
 {
 	struct zd_usb_interrupt *intr = &usb->intr;
@@ -1006,6 +1079,7 @@ void zd_usb_init(struct zd_usb *usb, struct ieee80211_hw *hw,
 	init_usb_interrupt(usb);
 	init_usb_tx(usb);
 	init_usb_rx(usb);
+	INIT_DELAYED_WORK(&usb->tx_watchdog_work, tx_watchdog_handler);
 }
 
 void zd_usb_clear(struct zd_usb *usb)
@@ -1242,11 +1316,92 @@ static void disconnect(struct usb_interface *intf)
 	dev_dbg(&intf->dev, "disconnected\n");
 }
 
+static void zd_usb_resume(struct zd_usb *usb)
+{
+	struct zd_mac *mac = zd_usb_to_mac(usb);
+	int r;
+
+	dev_dbg_f(zd_usb_dev(usb), "\n");
+
+	r = zd_op_start(zd_usb_to_hw(usb));
+	if (r < 0) {
+		dev_warn(zd_usb_dev(usb), "Device resume failed "
+			 "with error code %d. Retrying...\n", r);
+		if (usb->was_running)
+			set_bit(ZD_DEVICE_RUNNING, &mac->flags);
+		usb_queue_reset_device(usb->intf);
+		return;
+	}
+
+	if (mac->type != NL80211_IFTYPE_UNSPECIFIED) {
+		r = zd_restore_settings(mac);
+		if (r < 0) {
+			dev_dbg(zd_usb_dev(usb),
+				"failed to restore settings, %d\n", r);
+			return;
+		}
+	}
+}
+
+static void zd_usb_stop(struct zd_usb *usb)
+{
+	dev_dbg_f(zd_usb_dev(usb), "\n");
+
+	zd_op_stop(zd_usb_to_hw(usb));
+
+	zd_usb_disable_tx(usb);
+	zd_usb_disable_rx(usb);
+	zd_usb_disable_int(usb);
+
+	usb->initialized = 0;
+}
+
+static int pre_reset(struct usb_interface *intf)
+{
+	struct ieee80211_hw *hw = usb_get_intfdata(intf);
+	struct zd_mac *mac;
+	struct zd_usb *usb;
+
+	if (!hw || intf->condition != USB_INTERFACE_BOUND)
+		return 0;
+
+	mac = zd_hw_mac(hw);
+	usb = &mac->chip.usb;
+
+	usb->was_running = test_bit(ZD_DEVICE_RUNNING, &mac->flags);
+
+	zd_usb_stop(usb);
+
+	mutex_lock(&mac->chip.mutex);
+	return 0;
+}
+
+static int post_reset(struct usb_interface *intf)
+{
+	struct ieee80211_hw *hw = usb_get_intfdata(intf);
+	struct zd_mac *mac;
+	struct zd_usb *usb;
+
+	if (!hw || intf->condition != USB_INTERFACE_BOUND)
+		return 0;
+
+	mac = zd_hw_mac(hw);
+	usb = &mac->chip.usb;
+
+	mutex_unlock(&mac->chip.mutex);
+
+	if (usb->was_running)
+		zd_usb_resume(usb);
+	return 0;
+}
+
 static struct usb_driver driver = {
 	.name		= KBUILD_MODNAME,
 	.id_table	= usb_ids,
 	.probe		= probe,
 	.disconnect	= disconnect,
+	.pre_reset	= pre_reset,
+	.post_reset	= post_reset,
 };
 
 struct workqueue_struct *zd_workqueue;
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.h b/drivers/net/wireless/zd1211rw/zd_usb.h
index b71baa0..31ca686 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.h
+++ b/drivers/net/wireless/zd1211rw/zd_usb.h
@@ -32,6 +32,9 @@
 #define ZD_USB_TX_HIGH  5
 #define ZD_USB_TX_LOW   2
 
+#define ZD_TX_TIMEOUT		(HZ * 5)
+#define ZD_TX_WATCHDOG_INTERVAL	round_jiffies_relative(HZ)
+
 enum devicetype {
 	DEVICE_ZD1211  = 0,
 	DEVICE_ZD1211B = 1,
@@ -206,7 +209,8 @@ struct zd_usb {
 	struct zd_usb_rx rx;
 	struct zd_usb_tx tx;
 	struct usb_interface *intf;
-	u8 is_zd1211b:1, initialized:1;
+	struct delayed_work tx_watchdog_work;
+	u8 is_zd1211b:1, initialized:1, watchdog_enabled:1, was_running:1;
 };
 
 #define zd_usb_dev(usb) (&usb->intf->dev)
@@ -233,6 +237,9 @@ void zd_usb_clear(struct zd_usb *usb);
 
 int zd_usb_scnprint_id(struct zd_usb *usb, char *buffer, size_t size);
 
+void zd_tx_watchdog_enable(struct zd_usb *usb);
+void zd_tx_watchdog_disable(struct zd_usb *usb);
+
 int zd_usb_enable_int(struct zd_usb *usb);
 void zd_usb_disable_int(struct zd_usb *usb);
 
