[PATCH v6] Add udmabuf misc device

[Gerd Hoffmann]

  Hi,

> > Covering udmabuf.c maintainance is a different issue.  I could just add
> > myself to the existing entry, or create a new one specifically for
> > udmabuf.
> 
> That's what I meant, do a more specific entry to add yourself just for
> udmabuf.

Ok.  Back from summer vacation, finally found the time to continue
working on this.  Entry added, rebased to 4.19-rc1, v7 comes in a
moment.  Please review & ack.

thanks,
  Gerd