1 files changed, 17 insertions, 27 deletions

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fe4ebc375b3..55ac349695c 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -101,6 +101,7 @@ static struct usb_device_id btusb_table[] = {
 	{ USB_DEVICE(0x0c10, 0x0000) },
 
 	/* Broadcom BCM20702A0 */
+	{ USB_DEVICE(0x0a5c, 0x21e3) },
 	{ USB_DEVICE(0x413c, 0x8197) },
 
 	{ }	/* Terminating entry */
@@ -315,7 +316,8 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 
 	err = usb_submit_urb(urb, mem_flags);
 	if (err < 0) {
-		BT_ERR("%s urb %p submission failed (%d)",
+		if (err != -EPERM && err != -ENODEV)
+			BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
 	}
@@ -400,7 +402,8 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
 
 	err = usb_submit_urb(urb, mem_flags);
 	if (err < 0) {
-		BT_ERR("%s urb %p submission failed (%d)",
+		if (err != -EPERM && err != -ENODEV)
+			BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
 	}
@@ -506,15 +509,10 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 
 	pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 
-	urb->dev      = data->udev;
-	urb->pipe     = pipe;
-	urb->context  = hdev;
-	urb->complete = btusb_isoc_complete;
-	urb->interval = data->isoc_rx_ep->bInterval;
+	usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
+				hdev, data->isoc_rx_ep->bInterval);
 
 	urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
-	urb->transfer_buffer = buf;
-	urb->transfer_buffer_length = size;
 
 	__fill_isoc_descriptor(urb, size,
 			le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
@@ -523,7 +521,8 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 
 	err = usb_submit_urb(urb, mem_flags);
 	if (err < 0) {
-		BT_ERR("%s urb %p submission failed (%d)",
+		if (err != -EPERM && err != -ENODEV)
+			BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
 	}
@@ -727,6 +726,9 @@ static int btusb_send_frame(struct sk_buff *skb)
 		usb_fill_bulk_urb(urb, data->udev, pipe,
 				skb->data, skb->len, btusb_tx_complete, skb);
 
+		if (skb->priority >= HCI_PRIO_MAX - 1)
+			urb->transfer_flags  = URB_ISO_ASAP;
+
 		hdev->stat.acl_tx++;
 		break;
 
@@ -770,16 +772,17 @@ skip_waking:
 
 	err = usb_submit_urb(urb, GFP_ATOMIC);
 	if (err < 0) {
-		BT_ERR("%s urb %p submission failed", hdev->name, urb);
+		if (err != -EPERM && err != -ENODEV)
+			BT_ERR("%s urb %p submission failed (%d)",
+						hdev->name, urb, -err);
 		kfree(urb->setup_packet);
 		usb_unanchor_urb(urb);
 	} else {
 		usb_mark_last_busy(data->udev);
 	}
 
-	usb_free_urb(urb);
-
 done:
+	usb_free_urb(urb);
 	return err;
 }
 
@@ -1223,20 +1226,7 @@ static struct usb_driver btusb_driver = {
 	.supports_autosuspend = 1,
 };
 
-static int __init btusb_init(void)
-{
-	BT_INFO("Generic Bluetooth USB driver ver %s", VERSION);
-
-	return usb_register(&btusb_driver);
-}
-
-static void __exit btusb_exit(void)
-{
-	usb_deregister(&btusb_driver);
-}
-
-module_init(btusb_init);
-module_exit(btusb_exit);
+module_usb_driver(btusb_driver);
 
 module_param(ignore_dga, bool, 0644);
 MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");