- fixed possible warning oops on driver unload when connected
 - prevent interrupt flood in PIO mode ("modprobe amd5536udc use_dma=0")
   when using gadget ether
Signed-off-by: Thomas Dahlmann <dahlmann.thomas@arcor.de>
Cc: Robert Richter <robert.richter@amd.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Greg KH <greg@kroah.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>