commit 501fd989 upstream.

Some races with the hardware can happen when we take
ownership of the device. Don't give up after the first try.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>