linux-kernel - Re: [PATCH 2/4] MFD: TPS65218: Add driver for the TPS65218 PMIC

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Message-ID: <20131203132804.GU27568@sirena.org.uk>
Date:	Tue, 3 Dec 2013 13:28:04 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Keerthy <a0393675@...com>, Keerthy <j-keerthy@...com>,
	rob.herring@...xeda.com, pawel.moll@....com, mark.rutland@....com,
	swarren@...dotorg.org, ijc+devicetree@...lion.org.uk,
	rob@...dley.net, sameo@...ux.intel.com, grant.likely@...aro.org,
	lgirdwood@...il.com, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH 2/4] MFD: TPS65218: Add driver for the TPS65218 PMIC

On Tue, Dec 03, 2013 at 11:21:07AM +0000, Lee Jones wrote:

> other is that you shouldn't be doing this at all with regulators. Mark
> likes the idea of having a single regulator controller node which
> contains all of these individual regulator sub-nodes and you initiate
> a single call to for_each_child_of_node() within the driver in order
> to register them all.

That's not really the case, it depends on how the hardware is
structured.  If the regulators are not laid out in a regular fashion or
otherwise reusable then the above big bag of regulators makes sense.  If
the hardware is reusable then things are different.

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