linux-kernel - Re: [PATCH] regulator: extend the fixed voltage regulator to accept voltage

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Message-ID: <Pine.LNX.4.64.1206181212180.23884@axis700.grange>
Date:	Mon, 18 Jun 2012 12:13:58 +0200 (CEST)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
cc:	linux-kernel@...r.kernel.org, Liam Girdwood <lrg@...com>
Subject: Re: [PATCH] regulator: extend the fixed voltage regulator to accept
 voltage

On Mon, 18 Jun 2012, Mark Brown wrote:

> On Mon, Jun 18, 2012 at 11:52:13AM +0200, Guennadi Liakhovetski wrote:
> 
> > Well, I never insist on being the most advanced aesthetics connaisseur, 
> > but I think these two changes are related. The point is, that if we want 
> > to support different voltages, boards will have several of these 
> > regulators, therefore they'll need different names. We could splt this, 
> > but just the first part - changing the name - would look kinda pointless 
> > without the second one, don't you think?
> 
> The major point there is I shouldn't be reading the change and going
> "hang on, this is talking about names not voltages but the changelog
> only mentioned voltages, what's that about then?".  The code looked more
> complex than I'd expect too.

Ok, I can add an explanation, why the name changes are necessary.

> I suspect we should be using kstrdup()...

I wouldn't. It would add one more kmalloc(), which is avoided with my 
approach, then it would make a memcpy(), which we also don't need, because 
we have to print the id into the string.

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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