linux-kernel - Re: [PATCH 1/1] mfd: Fix runtime warning caused by duplicate device registration

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Message-ID: <20120705135719.GK4111@opensource.wolfsonmicro.com>
Date:	Thu, 5 Jul 2012 14:57:20 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linus.walleij@...ricsson.com, arnd@...db.de, sameo@...ux.intel.com
Subject: Re: [PATCH 1/1] mfd: Fix runtime warning caused by duplicate device
 registration

On Thu, Jul 05, 2012 at 02:54:04PM +0100, Lee Jones wrote:
> On 05/07/12 14:20, Mark Brown wrote:

[Moving registration to the MFD]
> >But surely this would, if anything, remove code?  You already have the
> >code to do the registration in the MFD so all you're going to be doing
> >here is removing the code from

> No, it will add platform code if we were to register the ab8500 from
> the platform area.

Why would this be the case?  You've already got registration code in
there for use in DT...

> >Hrm, the usual pattern for this stuff is that the DT is parsed into
> >platform data so the DT code is isolated to the parser.  It sounds like
> >you've got a very different structure here?

> Yes we do. Ref that commit ID I sent you you a few days ago:

> 5f3fc8adeec9bb12742fbfa777fa1947deda21a2

This doesn't appear to reference the platform data?

> >Well, it also introduces code into mainline which is likely to be used
> >as a template by other people - I'd be especially worried about the next
> >ST platform ending up repeating the same mistakes.

> There are no mistakes. It would work for other platforms. :)

Working and good idea aren't the same thing!

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