[PATCH V3] dtc: Add ability to delete nodes and properties

[Jon Loeliger]

> On Tue, Aug 07, 2012 at 10:50:15PM -0600, Stephen Warren wrote:
> > From: Stephen Warren <swarren at nvidia.com>
> > 
> > dtc currently allows the contents of properties to be changed, and the
> > contents of nodes to be added to. There are situations where removing
> > properties or nodes may be useful. This change implements the following
> > syntax to do that:
> > 
> >     / {
> >         /delete-property/ propname;
> >         /delete-node/ nodename;
> >     };
> > 
> > or:
> > 
> >     /delete-node/ &noderef;
> > 
> > Signed-off-by: Stephen Warren <swarren at nvidia.com>
> 
> Sorry, I've taken forever to look at this.  I've had other things to
> work on, plus I've second guessed myself on this stuff about a million
> times.
> 
> I think I finally did pin down the chief thing that was making me
> antsy about the whole thing, which is that it introduces an order
> dependency where none existed before.  We already had the order
> dependency between tree fragments in the "stack of overlays" model,
> but we didn't previously have a dependency on the order of
> declarations within one fragment.
> 
> With that in mind, there are some details I would like to see cleaned
> up, mostly in the precise semantics of when duplicate names are
> detected.  But I'm happy enough to do that cleanup after the main
> patch is merged.
> 
> Acked-by: David Gibson <david at gibson.dropbear.id.au>

Applied!

jdl