This missed a Suggested-by from Jason. Will add in next version.
> From: Tian, Kevin
> Sent: Sunday, August 28, 2022 1:11 AM
>
> ccw is the only exception which cannot use vfio_alloc_device() because
> its private device structure is designed to serve both mdev and parent.
> Life cycle of the pa
ccw is the only exception which cannot use vfio_alloc_device() because
its private device structure is designed to serve both mdev and parent.
Life cycle of the parent is managed by css_driver so vfio_ccw_private
must be allocated/freed in css_driver probe/remove path instead of
conforming to vfio
