linux-kernel - Re: [PATCH] regulator: Add GPIO enable control to fixed voltage regulator driver

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Message-ID: <20090731135036.GA626@rakim.wolfsonmicro.main>
Date:	Fri, 31 Jul 2009 14:50:36 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Roger Quadros <quadros.roger@...il.com>
Cc:	pHilipp Zabel <philipp.zabel@...il.com>, lrg@...mlogic.co.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regulator: Add GPIO enable control to fixed voltage
 regulator driver

On Fri, Jul 31, 2009 at 04:43:40PM +0300, Roger Quadros wrote:
> On Fri, Jul 31, 2009 at 4:34 PM, Mark
> Brown<broonie@...nsource.wolfsonmicro.com> wrote:

> > Feh, better print a warning for GPIO 0 for at least a kernel release.
> > Fortunately we've got no mainline users of fixed voltage regulators.

> I think most architectures start their GPIO numbering from 0.
> By 'a release', do you mean next Kernel release will be indexing GPIOs from 1?

No; I mean the driver should print a warning when using GPIO 0 as a way
of managing the transition.  Otherwise any existing users will find the
driver suddenly starts using a GPIO.
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