linux-kernel - Re: [PATCH 13/14] Regulators: wm8400 - cleanup platform driver data handling

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Message-ID: <20100224204056.GA6824@rakim.wolfsonmicro.main>
Date:	Wed, 24 Feb 2010 20:40:56 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Liam Girdwood <lrg@...mlogic.co.uk>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/14] Regulators: wm8400 - cleanup platform driver
 data handling

On Wed, Feb 24, 2010 at 11:21:26AM -0800, Dmitry Torokhov wrote:
> On Wed, Feb 24, 2010 at 07:14:03PM +0000, Mark Brown wrote:

> > This doesn't help unless you also provide a way for users to obtain a
> > struct wm8400.

> Why would they need it? Only code that creates instances of wm8400 needs
> to know the definition of the sturcture, the rest can simply pass the
> pointer around.

> I guess there is disconnect between us and I do not see any users of
> wm8400_register_regulator() in linux-next... Is there another tree I
> could peek at?

There are no users in mainline.  This would be called by board specific
code from the init callback of the wm8400 - you'd need to pass that
callback the struct wm8400.

In any case, this is clearly an unrelated change to whatever else you
were doing to the driver so should be split off into a separate patch,
but if this is being changed at all then it'd be much more sensible to
change it to use a more modern pattern which completely removes the
wm8400_register_regulator() function and just uses platform data.
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