linux-kernel - Re: [RESEND][PATCH 1/3] arm: dts: introduce config HAS

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Message-ID: <20130507190628.GI5634@blackmetal.musicnaut.iki.fi>
Date:	Tue, 7 May 2013 22:06:28 +0300
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:	Eduardo Valentin <eduardo.valentin@...com>, tony@...mide.com,
	linux-omap@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Tomi Valkeinen <tomi.valkeinen@...com>
Subject: Re: [RESEND][PATCH 1/3] arm: dts: introduce config HAS_BANDGAP

On Tue, May 07, 2013 at 12:27:11PM -0600, Jason Gunthorpe wrote:
> On Tue, May 07, 2013 at 09:15:00AM -0400, Eduardo Valentin wrote:
> > > But broadly the direction seems that drivers should have minimal
> > > dependencies so, eg, the thermal maintainer compiling for x86 should
> > > be able to compile test/static analyze your driver..
> 
> > Well, I do not see much of this attempt actually. Do you have some link
> > / evidene that shows someone who actually cares about compiling drivers
> > for targets that they are not used for? On this specific driver, I
> > actually have  had exactly the opposite advice [1]. I am not convinced
> > people actually want to do that.
> 
> There was a discussion a bit ago, but I can't find a link.. The
> context was subsystem maintainers are being asked to look after more
> code with the DT transition moving things out of arch/arm and at least
> one complained they couldn't even compile test on x86... But again, I
> can't find a link and you are right, there are lots and lots of
> 'depends ARCH..' style things in kConfig already.
> 
> Lets just call it something to think about.

Tomi started a thread related to this recently:

	http://marc.info/?l=linux-kernel&m=136731558332265&w=2

I think there's some good reasons listed there, but I guess up to the
subsystem maintainers to decide what they prefer.

A.
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