commit ae69717118e1f14ed8737459f8c4baca1cb9c404
Author: Matthew Garrett <mjg@redhat.com>
Date:   Wed Dec 16 14:31:30 2009 -0500

    Fix btusb autosuspend

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 4c33417..ec54dd6 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -307,6 +307,7 @@ static void btusb_bulk_complete(struct urb *urb)
 		return;
 
 	usb_anchor_urb(urb, &data->bulk_anchor);
+	usb_mark_last_busy(data->udev);
 
 	err = usb_submit_urb(urb, GFP_ATOMIC);
 	if (err < 0) {