linux-kernel - Re: Reconsider including phc-linux patch to control voltages

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Message-ID: <20110517144629.GC25545@kroah.com>
Date:	Tue, 17 May 2011 07:46:29 -0700
From:	Greg KH <greg@...ah.com>
To:	Arthur Machlas <arthur.machlas@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Reconsider including phc-linux patch to control voltages

On Tue, May 17, 2011 at 09:39:23AM -0500, Arthur Machlas wrote:
> Hi, please cc me on any replies.
> 
> Five years ago a request was made[1] to include some patches from the
> phc-linux project. This request was rejected for reasons of stability,
> wasting dev time chasing bugs, and general discomfort. Mildly
> supportive suggestions were made to make it either a separate driver
> (it patches acpi-cpufreq) or call some 'tainted' flags.
> 
> It is currently included in the zen kernel, and now supports out of
> tree building making it somewhat unecessary to include, however, the
> dev's seem unable to keep up with newer kernels and releases are
> becoming infrequent. Users now seem to be modifying the patch to make
> sure it cleanly applies to newer kernels. Gentoo seems to be doing
> this at the distro level [2].
> 
> Just wondering if any circumstances have changed that would merit
> reconsidering the decision to not include the patches.
> 
> Many thanks,
> Arthur
> 
> [1] http://lkml.org/lkml/2007/9/2/119
> [2] http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/sys-power/phc-intel/files/phc-intel-0.3.2.12.1-2.6.38.patch?view=markup


Why not submit it to the acpi developers in the proper format (i.e. what
Documentation/SubmittingPatches describes) and see how it goes?

thanks,

greg k-h
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