linux-kernel - Re: [GIT PULL] PM updates for 2.6.33

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Message-ID: <20091207063236.GF21451@core.coreip.homeip.net>
Date:	Sun, 6 Dec 2009 22:32:37 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [GIT PULL] PM updates for 2.6.33

On Sun, Dec 06, 2009 at 10:31:12PM -0800, Arjan van de Ven wrote:
> On Sun, 6 Dec 2009 22:15:49 -0800
> Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> 
> > And the bad thing is that violates multiple layers in the kernel.
> > Atkbd driver does not have to be using i8042; neither does psmouse.
> > Althtough they do in 99% of the cases there are other controllers
> > providing the i8042-style ports. Just grep for SERIO_8042 in
> > drivers/input/serio.
> > 
> > I do not want to hard-code the i8042-psmouse-atkbd dependency.
> 
> it's not a specific dependency.
> 
> it's a "I know I'm critical, so everything before me needs to be done".
> 
> that doesn't encode an actual relationship, it encodes a potential
> relationship... with a worst case behavior of ... what we do right
> now ;_)

This is the case with every parent device, isn't it? It is important for
its children. And wasn't Rafael patchset trying to address exactkly
this?

-- 
Dmitry
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