linux-kernel - Re: [PATCH 1/5] regulator: of: Add regulator-initial-mode parse support

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Message-ID: <20141008142511.GA4609@sirena.org.uk>
Date:	Wed, 8 Oct 2014 15:25:11 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Doug Anderson <dianders@...omium.org>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Olof Johansson <olof@...om.net>,
	Chris Zhong <zyw@...k-chips.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Abhilash Kesavan <kesavan.abhilash@...il.com>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/5] regulator: of: Add regulator-initial-mode parse
 support

On Wed, Oct 08, 2014 at 03:44:03PM +0200, Javier Martinez Canillas wrote:

> But currently there isn't a way to do the same with DeviceTrees. Argubly
> the operating modes are Linux-specific so that information should not be
> in the DT which should be used to only describe hardware. But regulators
> having different operating modes is also a hardware property since many
> PMICs have support to set different modes for their regulators.

That doesn't mean that the definition of those modes is something we can
sensibly provide in generic code, especially in a completely
undocumented fashion (perhaps you've done that later in the patch series
but bisection also applies to reviewability).

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