linux-kernel - Re: [linux-pm] [3/6] 2.6.21-rc4: known regressions

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Date:	Wed, 28 Mar 2007 12:38:55 -0700
From:	David Brownell <david-b@...bell.net>
To:	linux-pm@...ts.linux-foundation.org
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Maxim <maximlevitsky@...il.com>,
	Jeff Chua <jeff.chua.linux@...il.com>,
	linux-ide@...r.kernel.org, gregkh@...e.de, linux-pm@...ts.osdl.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...sta.de>, linux-acpi@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Ingo Molnar <mingo@...e.hu>,
	Jens Axboe <jens.axboe@...cle.com>,
	"Michael S. Tsirkin" <mst@...lanox.co.il>,
	Thomas Gleixner <tglx@...utronix.de>, jgarzik@...ox.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [linux-pm] [3/6] 2.6.21-rc4: known regressions

On Wednesday 28 March 2007 9:38 am, Linus Torvalds wrote:

> It's a *device*, dammit. It should save and resume like one (probably as a 
> system device). The "set_mode()" etc stuff is at a completely different 
> (higher) conceptual level.

Agreed, except about "probably as a system device".

Last I checked, there was no good reason to use sysdev suspend()/resume()
rather than platform_device suspend_late()/early_resume().  Which more
or less means no good reason to use sysdev in new code...


Also, making HPET use the legacy mode seems like a step backwards.

- Dave
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