linux-kernel - Re: [RFC][PATCH 12/12] PM / r8169: Add simplified run-time PM support

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Date:	Sun, 27 Dec 2009 20:48:37 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Oliver Neukum <oliver@...kum.org>,
	Shaohua Li <shaohua.li@...el.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Francois Romieu <romieu@...zoreil.com>,
	Len Brown <lenb@...nel.org>
Subject: Re: [RFC][PATCH 12/12] PM / r8169: Add simplified run-time PM support

On Tuesday 15 December 2009, Pavel Machek wrote:
> Hi!
> 
> > Use the PCI run-time power management framework to add simplified
> > run-time PM support to the r8169 driver.  Namely, make the driver
> > suspend the device when the link is off and set it up for generating
> > wake-up event after the link has been detected again.
> 
> Nice!
> 
> Do you have any idea how much power it saves?

No, but there should be a power meter somewhere here ...

I'll let you know if I can find it.

Rafael
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