[PATCH 8/9 V3] Add documentation for the new DTS language.

David Gibson david at gibson.dropbear.id.au
Fri Oct 3 10:23:37 EST 2008


On Thu, Oct 02, 2008 at 01:50:04PM -0600, M. Warner Losh wrote:
> In message: <20081002152242.GB22258 at ld0162-tx32.am.freescale.net>
>             Scott Wood <scottwood at freescale.com> writes:
> : On Thu, Oct 02, 2008 at 11:18:00AM +1000, David Gibson wrote:
> : > > I vote against anything similar to the C preprocessor.
> : > 
> : > Why?
> : 
> : It's not nearly as powerful as the semantic approach, and it is
> : syntactically clumsy (I do *not* want to have to put a backslash at the
> : end of every line within a macro, for example).
> 
> And there are no looping constructs at all in CPP.  You flat out can't
> do a generalized for loop with the macro language, for example.  Its

But we can put looping constructs into the expression support which
macros can then use.

> symbols also do not map 1-1/onto symbols used by the dts files.  It
> can only grok macros you define for it, so it has no way of knowing
> many useful things that dts just knows.

Uh.. I'm not sure what you mean by this.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson



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