linux-kernel - Re: [PATCH] apple-gmux: Fix kconfig dependencies

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Date:	Mon, 23 Jul 2012 08:28:05 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Matthew Garrett <mjg@...hat.com>,
	platform-driver-x86@...r.kernel.org,
	Arun Raghavan <arun.raghavan@...labora.co.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] apple-gmux: Fix kconfig dependencies

On 07/23/2012 06:44 AM, Seth Forshee wrote:

> On Mon, Jul 23, 2012 at 02:30:10PM +0100, Matthew Garrett wrote:
>>> I'm looking at Andreas's code for switcharoo support, and something I
>>> want to do along with it is make apple-gmux not dependent on backlight
>>> support (i.e. you can still build switcharoo support if
>>> BACKLIGHT_CLASS_DEVICE is disabled). I'm assuming this patch as a
>>> prerequisite. But things do get really monstrously ugly, so if there's a
>>> cleaner way to enforce this that I haven't found I'd love to hear about
>>> it.
>>
>> Why do you want to support that case? One of the problems we have with 
>> the kernel at present is that it's trivial to come up with non-sensical 
>> configurations. I can't think of a single case where you'd want the gmux 
>> support without also having the backlight support code.
> 
> Just because there isn't strictly any reason that the switching code
> needs to depend on backlight support. But yes, I can't think of a good
> reason why anyone would want this configuration. I won't mess with it
> then.


then it should be required in Kconfig file(s), not left to
create build errors.

-- 
~Randy
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