linux-kernel - Re: [PATCH 1/2] regulator: core: Add a sanity check on the regulator

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Message-ID: <20150106160317.GB2634@sirena.org.uk>
Date:	Tue, 6 Jan 2015 16:03:17 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>, linux-kernel@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Lior Amsalem <alior@...vell.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Nadav Haklai <nadavh@...vell.com>, linux-ide@...r.kernel.org
Subject: Re: [PATCH 1/2] regulator: core: Add a sanity check on the
 regulator_ enable/disable functions

On Tue, Jan 06, 2015 at 01:26:28PM +0100, Gregory CLEMENT wrote:
> On 06/01/2015 13:00, Mark Brown wrote:

> > This really only applies if it's likely that some thing that always gets
> > used if it's there might be missing which isn't the case for regulators,
> > it's not at all common to have power supplies that might be missing and

> Well the pattern the following pattern is very common in the drivers using
> the regulator:

> if (!IS_ERR(regulator_pointer)
> 	regulator_disable(regulator_pointer);

> So for me it was a good hint that we can factorize it.

It is?  It shouldn't be...

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