Re: still unclear on a couple DT questions from my initial post

[Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>]

On Fri, Sep 01, 2017 at 01:29:31AM -0400, Robert P. J. Day wrote:
>   again, more nitpicky pedantry, but from my initial post, i'm still
> unclear on a couple things.
> 
>   first, a number of powerpc .dts files contain the line:
> 
>     dcr-parent = <&{/cpus/cpu@0}>;
> 
> and it's not clear to me why there are curly braces there. that is the
> only example of that, but i see no mention of that in the spec. is it
> meaningful? or are they superfluous?

This syntax allows us to refer to a node by path, even if it doesn't
have an existing label. The &foo syntax only allows us to refer to an
existing label called foo.

>   also, the spec states that status could be set to "okay", but a pile
> of .dts files in the current kernel have the shorter form:
> 
>   status = "ok";
> 
> and the current kernel code in drivers/of explicitly accepts both
> forms. is that a formal spec property, or is the kernel code simply
> allowing people to be sloppy?

The kernel is catering for sloppiness. We should probably fix those up
in the kernel tree.

Thanks,
Mark.
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