linux-kernel - Re: driver power operations (was Re: suspend2 merge)

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Message-ID: <20070427125001.GI22250@elf.ucw.cz>
Date:	Fri, 27 Apr 2007 14:50:01 +0200
From:	Pavel Machek <pavel@....cz>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Nick Piggin <npiggin@...e.de>,
	Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org,
	Adrian Bunk <bunk@...sta.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Con Kolivas <kernel@...ivas.org>,
	suspend2-devel@...ts.suspend2.net, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-pm <linux-pm@...ts.linux-foundation.org>
Subject: Re: driver power operations (was Re: suspend2 merge)

Hi!

> > > Five callbacks are fine by me, especially if we can define reasonable defaults
> > > for the hibernation (and can we?).
> > 
> > Well, we still can default to suspend(PMSG_FREEZE) for freeze(), and
> > resume() for thaw(). Anything else is just not sane way forward.
> 
> I think we should remove the argument to suspend() in the same patch
> series. Yes, that would mean porting all drivers that currently use
> it,

Well, if you can do it in one patch series, go ahead. But I think such
massive change all over kernel will take slightly longer, so I'd
prefer to keep the dummy argument for a while (so it still compiles)
and fix it slowly.

Of course, it is up to the person doing the series. And yes, such
series would be welcome.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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