linux-kernel - Re: [PATCH] regulator: ab8500-ext: Don't register without initialisation data

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Message-ID: <20130523070905.GD18714@gmail.com>
Date:	Thu, 23 May 2013 08:09:05 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linus.walleij@...aro.org, arnd@...db.de,
	linus.walleij@...ricsson.com, srinidhi.kasagar@...ricsson.com
Subject: Re: [PATCH] regulator: ab8500-ext: Don't register without
 initialisation data

On Wed, 22 May 2013, Mark Brown wrote:

> On Wed, May 22, 2013 at 05:53:53PM +0100, Lee Jones wrote:
> > On Wed, 22 May 2013, Mark Brown wrote:
> 
> > > running or not, the worst that should happen is that the state can be
> > > read back.  I'd therefore expect the fix here to be in the board side
> > > code that enables the regulators.
> 
> > It's both.
> 
> > From the platform side we have stopped passing the external regulator
> > driver's constraints for Snowball:
> 
> > https://lkml.org/lkml/2013/5/22/280
> 
> > All I've done here is stop the ext driver from crapping out with the
> > misleading error "Configuration error: size mismatch", because a)
> > it's not an error, it's expected and b) It's not a size mismatch,
> > instead we have chosen to keep the constraints back in the Snowball
> > (and u8505) case.
> 
> OK, so the regulator driver is buggy and insisting on having constraints
> passed in for every regulator then?

If that's not how it's meant to work then, yes.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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