linux-kernel - Re: [PATCH] Remove CONFIG_PM altogether, enable power management all the time

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Message-ID: <20110209195918.GD23747@opensource.wolfsonmicro.com>
Date:	Wed, 9 Feb 2011 19:59:18 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Tim Bird <tim.bird@...sony.com>
Cc:	"Rowand, Frank" <Frank_Rowand@...yusa.com>,
	Frank Rowand <frank.rowand@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Len Brown <len.brown@...el.com>,
	Alan Stern <stern@...land.harvard.edu>,
	"linux-pm@...ts.linux-foundation.org" 
	<linux-pm@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"linux-embedded@...r.kernel.org" <linux-embedded@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] Remove CONFIG_PM altogether, enable power management
 all the time

On Wed, Feb 09, 2011 at 11:53:52AM -0800, Tim Bird wrote:
> On 02/09/2011 11:25 AM, Mark Brown wrote:

> > Not really, the goal was to simplify the PM config options to ones that
> > are actually useful and cut down on the number of silly combinations
> > that the randconfigs turn up.  CONFIG_PM is there mostly for historical
> > reasons, it doesn't really mean much by itself except as a gate to other
> > options.

> I'm confused.  Do you plan to retain the option to
> turn off PM features completely, or not?  I thought that's
> what CONFIG_PM did today.

Raphael's patches do that in a much better way than my original patch,
my original patch would have force CONFIG_PM on but still allowed all
the PM features that it controls to be turned on and off individually.
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