> > I have the following diff applied on top of patch 2. Works with and
> > without a parent device. I am not super happy casting 'identity' but
> > since its u8-type is exported to userspace, I think we can't avoid it.
> > Guenter, is this cast safe? Here is the diff:
> > 
> I would think it is safe, but question is if it is it needed - ie do you see
> a warning if it isn't there ? Presumably yes; if so, let's just do it.

Yes, the compiler rightfully complains otherwise.

Do you prefer resending only patch 2 or the whole series?