linux-kernel - Re: [PATCH 0/8] Suspend block api (version 6)

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Message-ID: <20100504152827.GB2184@srcf.ucam.org>
Date:	Tue, 4 May 2010 16:28:27 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	Kevin Hilman <khilman@...prootsystems.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	Paul Walmsley <paul@...an.com>, magnus.damm@...il.com,
	mark gross <mgross@...ux.intel.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Geoff Smith <geoffx.smith@...el.com>
Subject: Re: [PATCH 0/8] Suspend block api (version 6)

On Tue, May 04, 2010 at 08:13:09AM -0700, Kevin Hilman wrote:

> So basically, on ACPI systems, runtime PM doesn't get you any power
> savings for most devices.  

I'd say it does for most devices, but the power savings may not be as 
great as they would be with fine-grained control over power rails.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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