linux-kernel - Re: [PATCH v4] regulator: pfuze100: add pfuze100 regulator driver

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Message-ID: <20130724095145.GE4332@pengutronix.de>
Date:	Wed, 24 Jul 2013 11:51:45 +0200
From:	Steffen Trumtrar <s.trumtrar@...gutronix.de>
To:	Mark Brown <broonie@...nel.org>
Cc:	Robin Gong <b38343@...escale.com>, shawn.guo@...aro.org,
	grant.likely@...aro.org, rob.herring@...xeda.com, rob@...dley.net,
	lgirdwood@...il.com, devicetree-discuss@...ts.ozlabs.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] regulator: pfuze100: add pfuze100 regulator driver

On Wed, Jul 24, 2013 at 10:42:28AM +0100, Mark Brown wrote:
> On Wed, Jul 24, 2013 at 10:30:41AM +0200, Steffen Trumtrar wrote:
> > On Sun, Jul 21, 2013 at 05:17:27PM +0800, Robin Gong wrote:
> 
> > 
> >  static struct regulator_ops pfuze100_fixed_regulator_ops = {
> > 	.list_voltage = regulator_list_voltage_linear,
> > +	.set_voltage_sel = regulator_set_voltage_sel_regmap,
> >  };
> 
> This doesn't make much sense, you're adding a set voltage operation to a
> fixed voltage regulator...

Hm, okay, sounds reasonable. But if I don't, VREFDDR isn't registered because
_regulator_do_set_voltage returns with -EINVAL.
So, I probably just fixed a symptom and not the cause.

Thanks,
Steffen

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