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From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
Subject: Re: [PATCH v2 3/5] regulator: helper routine to extract
 regulator_init_data
Date: Tue, 18 Oct 2011 17:00:46 +0100
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To: Shawn Guo <shawn.guo-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
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On Tue, Oct 18, 2011 at 07:58:37PM +0800, Shawn Guo wrote:

> I understand that ideally device tree is supposed to describe pure
> hardware configurations.  But practically, when migrating a driver
> to device tree probe, we are trying to move the configurations
> described by platform_data into device tree to save the use of
> platform_data for device tree probe.  Then some of the configuration
> may not be so purely hardware related.  But I do not see this is a
> critical problem.

It's not just Linux-specific stuff, some of this is even specific to
what current Linux drivers can do - updating the kernel could mean a
different set of constraints.