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

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Message-ID: <20110209184010.GB23747@opensource.wolfsonmicro.com>
Date:	Wed, 9 Feb 2011 18:40:10 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	frank.rowand@...sony.com
Cc:	"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-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	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 10:31:29AM -0800, Frank Rowand wrote:

> Raphael's patch will turn on CONFIG_PM in the correct circumstances, and
> leave it off when not needed by other config options.  That means that
> the size overhead will _not_ be an issue for me because CONFIG_PM
> will not be enabled when not needed.

That's not the issue you seemed to be raising, though.  While PM is now
turned on by PM_SLEEP that'll end up getting turned on by default due to
the dependency on SUSPEND - you appeared to be raising the concern that
this could happen and surprise users.
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