From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Subject: Re: [v3 0/6] ARM: tegra: convert device tree files to use CLK defines
Date: Tue, 19 Feb 2013 10:08:16 -0700
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To: Simon Glass <sjg@chromium.org>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>, linux-tegra@vger.kernel.org, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, Grant Likely <grant.likely@secretlab.ca>, Rob Herring <rob.herring@calxeda.com>, Rob Landley <rob@landley.net>, Russell King <linux@arm.linux.org.uk>, devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
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On 02/17/2013 03:20 PM, Simon Glass wrote:
> Hi Hiroshi,
> 
> On Fri, Feb 15, 2013 at 12:43 AM, Hiroshi Doyu <hdoyu@nvidia.com> wrote:
>> Hi,
>>
>> With new dtc+cpp feature, we could get rid of magic numbers in dts*
>> files. This patch replaces CLK IDs.
...
> I wonder what sort of error message do you get when you make a mistake
> in the .dts or one of the .dtsi includes? If cpp is handling the
> including, does dtc just see a single file,

It is.

> in which case are the line
> numbers printed with each error not much use? Or does dtc handle the
> #line directives?

cpp does generate #line directives, which dtc does know how to
interpret, so this should all work just fine. IIRC, I did test out this
aspect when adding #line support to dtc.