[PATCH V2] dtc: Add ability to delete nodes and properties

[Stephen Warren]

On 06/12/2012 05:10 PM, 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:
> 
>     / {
>         propname /delprop/;
>         nodename /delnode/;
>     };
> 
> or:
> 
>     &noderef /delnode/;
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
> v2: Implemented in a significantly different fashion: Rather than actually
> deleting nodes/properties as the DT is parsed, simply mark them deleted,
> and skip deleted nodes during later processing. This allows implementation
> without needing rework of various error-checks, such as duplicate labels.

David, does this address your concerns with the previous version?

I suppose the diff is a little large. Perhaps for_each_child() should
always exclude deleted children, and a new macro be introduced for the
locations that want deleted children too?