diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f492a7f2b6ee2e74cd56aa44b03fbd55ba74e613..e057e5381465b1a12c03e550f3ff6b2f9d4d24e0 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -297,6 +297,8 @@ static void acm_ctrl_irq(struct urb *urb)
 	if (!ACM_READY(acm))
 		goto exit;
 
+	usb_mark_last_busy(acm->dev);
+
 	data = (unsigned char *)(dr + 1);
 	switch (dr->bNotificationType) {
 	case USB_CDC_NOTIFY_NETWORK_CONNECTION:
@@ -336,7 +338,6 @@ static void acm_ctrl_irq(struct urb *urb)
 		break;
 	}
 exit:
-	usb_mark_last_busy(acm->dev);
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
 		dev_err(&urb->dev->dev, "%s - usb_submit_urb failed with "
@@ -533,6 +534,8 @@ static void acm_softint(struct work_struct *work)
 	if (!ACM_READY(acm))
 		return;
 	tty = tty_port_tty_get(&acm->port);
+	if (!tty)
+		return;
 	tty_wakeup(tty);
 	tty_kref_put(tty);
 }
@@ -646,8 +649,10 @@ static void acm_port_down(struct acm *acm)
 		usb_kill_urb(acm->ctrlurb);
 		for (i = 0; i < ACM_NW; i++)
 			usb_kill_urb(acm->wb[i].urb);
+		tasklet_disable(&acm->urb_task);
 		for (i = 0; i < nr; i++)
 			usb_kill_urb(acm->ru[i].urb);
+		tasklet_enable(&acm->urb_task);
 		acm->control->needs_remote_wakeup = 0;
 		usb_autopm_put_interface(acm->control);
 	}
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 47085e5879abb57758601722bb62c7734380a254..a97c018dd41980ebc6a9087d235f7ee1fdc965b4 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -281,7 +281,7 @@ static void cleanup(struct wdm_device *desc)
 			  desc->sbuf,
 			  desc->validity->transfer_dma);
 	usb_free_coherent(interface_to_usbdev(desc->intf),
-			  desc->wMaxCommand,
+			  desc->bMaxPacketSize0,
 			  desc->inbuf,
 			  desc->response->transfer_dma);
 	kfree(desc->orq);
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index a7131ad630f9ad54535205017352ee10175df384..37518dfdeb987188089eb43c3147417ce14615a9 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -802,7 +802,7 @@ static int proc_control(struct dev_state *ps, void __user *arg)
 				    tbuf, ctrl.wLength, tmo);
 		usb_lock_device(dev);
 		snoop_urb(dev, NULL, pipe, max(i, 0), min(i, 0), COMPLETE,
-			tbuf, i);
+			  tbuf, max(i, 0));
 		if ((i > 0) && ctrl.wLength) {
 			if (copy_to_user(ctrl.data, tbuf, i)) {
 				free_page((unsigned long)tbuf);
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index fe99895fb098753bf5e88c3ab9cd0984c10fffc1..98ded66e8d3fc5ccfbe4bfd9170c51e99cf3b752 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -315,7 +315,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
 	int			stopped;
 	unsigned		count = 0;
 	u8			state;
-	const __le32		halt = HALT_BIT(ehci);
 	struct ehci_qh_hw	*hw = qh->hw;
 
 	if (unlikely (list_empty (&qh->qtd_list)))
@@ -422,7 +421,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
 					&& !(qtd->hw_alt_next
 						& EHCI_LIST_END(ehci))) {
 				stopped = 1;
-				goto halt;
 			}
 
 		/* stop scanning when we reach qtds the hc is using */
@@ -456,16 +454,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
 				 */
 				ehci_clear_tt_buffer(ehci, qh, urb, token);
 			}
-
-			/* force halt for unlinked or blocked qh, so we'll
-			 * patch the qh later and so that completions can't
-			 * activate it while we "know" it's stopped.
-			 */
-			if ((halt & hw->hw_token) == 0) {
-halt:
-				hw->hw_token |= halt;
-				wmb ();
-			}
 		}
 
 		/* unless we already know the urb's status, collect qtd status
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index f7a2057380321fa7c102b140ce0bf2f4374e9db1..8b1d94a769140ca0ab6f9f6a082384b8725c9873 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -177,12 +177,11 @@ static struct uss720_async_request *submit_async_request(struct parport_uss720_p
 	spin_lock_irqsave(&priv->asynclock, flags);
 	list_add_tail(&rq->asynclist, &priv->asynclist);
 	spin_unlock_irqrestore(&priv->asynclock, flags);
+	kref_get(&rq->ref_count);
 	ret = usb_submit_urb(rq->urb, mem_flags);
-	if (!ret) {
-		kref_get(&rq->ref_count);
+	if (!ret)
 		return rq;
-	}
-	kref_put(&rq->ref_count, destroy_async);
+	destroy_async(&rq->ref_count);
 	err("submit_async_request submit_urb failed with %d", ret);
 	return NULL;
 }
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 9d49d1cd7ce2308024fb7d2b7cc73538e00dd9cc..52312e8af213a4d0d6cdd515aa50757fd06bfa56 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -322,7 +322,7 @@ static void bfin_musb_try_idle(struct musb *musb, unsigned long timeout)
 		mod_timer(&musb_conn_timer, jiffies + TIMER_DELAY);
 }
 
-static int bfin_musb_get_vbus_status(struct musb *musb)
+static int bfin_musb_vbus_status(struct musb *musb)
 {
 	return 0;
 }
@@ -540,7 +540,7 @@ static struct dev_pm_ops bfin_pm_ops = {
 	.resume		= bfin_resume,
 };
 
-#define DEV_PM_OPS	&bfin_pm_op,
+#define DEV_PM_OPS	&bfin_pm_ops
 #else
 #define DEV_PM_OPS	NULL
 #endif
@@ -548,7 +548,7 @@ static struct dev_pm_ops bfin_pm_ops = {
 static struct platform_driver bfin_driver = {
 	.remove		= __exit_p(bfin_remove),
 	.driver		= {
-		.name	= "musb-bfin",
+		.name	= "musb-blackfin",
 		.pm	= DEV_PM_OPS,
 	},
 };
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 5c7b321d3959751f94281ab6cc2205e228bc142f..98519c5d8b5cc23e5407dac87a521004d8885f59 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1880,12 +1880,12 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
 		if (retval < 0) {
 			DBG(1, "add_hcd failed, %d\n", retval);
 			goto err2;
-
-			if ((musb->xceiv->last_event == USB_EVENT_ID)
-						&& musb->xceiv->set_vbus)
-				otg_set_vbus(musb->xceiv, 1);
 		}
 
+		if ((musb->xceiv->last_event == USB_EVENT_ID)
+					&& musb->xceiv->set_vbus)
+			otg_set_vbus(musb->xceiv, 1);
+
 		hcd->self.uses_pio_for_control = 1;
 
 		if (musb->xceiv->last_event == USB_EVENT_NONE)
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index a65ddd5438693e7d235a190eb44f2f9ac163e534..e4fad5e643d74d6ab01995b0e84b9b53ea47fff7 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -698,8 +698,7 @@ static void play_delayed(struct usb_serial_port *port)
 			/* we have to throw away the rest */
 			do {
 				unbusy_queued_urb(urb, portdata);
-				//extremely dirty
-				atomic_dec(&port->serial->interface->dev.power.usage_count);
+				usb_autopm_put_interface_no_suspend(port->serial->interface);
 			} while ((urb = usb_get_from_anchor(&portdata->delayed)));
 			break;
 		}