netdev - RE: [E1000-devel] [PATCH] e1000: the power down when running ifdown command

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Message-ID: <8DD2590731AB5D4C9DBF71A877482A903B3E19B8@orsmsx509.amr.corp.intel.com>
Date:	Wed, 4 Nov 2009 09:57:04 -0800
From:	"Allan, Bruce W" <bruce.w.allan@...el.com>
To:	Stephen Hemminger <shemminger@...tta.com>,
	Naohiro Ooiwa <nooiwa@...aclelinux.com>
CC:	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Ronciak, John" <john.ronciak@...el.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"svaidy@...ux.vnet.ibm.com" <svaidy@...ux.vnet.ibm.com>,
	"davem@...emloft.net" <davem@...emloft.net>
Subject: RE: [E1000-devel] [PATCH] e1000: the power down when running ifdown
	command

FWIW, in e1000e the PHY is already powered down when the interface is brought down if WoL and manageability are disabled.  There is an issue where the PHY remains powered on when the driver is removed for which I have a patch already queued up here at Intel.

>-----Original Message-----
>From: Stephen Hemminger [mailto:shemminger@...tta.com]
>Sent: Wednesday, November 04, 2009 8:09 AM
>To: Naohiro Ooiwa
>Cc: e1000-devel@...ts.sourceforge.net; netdev@...r.kernel.org; Brandeburg,
>Jesse; Ronciak, John; Kirsher, Jeffrey T; Andrew Morton;
>svaidy@...ux.vnet.ibm.com; davem@...emloft.net
>Subject: Re: [E1000-devel] [PATCH] e1000: the power down when running
>ifdown command
>
>On Wed, 04 Nov 2009 19:23:43 +0900
>Naohiro Ooiwa <nooiwa@...aclelinux.com> wrote:
>
>> Naohiro Ooiwa wrote:
>> > Stephen Hemminger wrote:
>> >> On Sat, 31 Oct 2009 18:39:52 +0900
>> >> Naohiro Ooiwa <nooiwa@...aclelinux.com> wrote:
>> >>
>> >> Does this work with Wake On Lan?
>> >
>> > Yes, it works WOL.
>>
>> Sorry, I made a mistake.
>> The WOL doesn't work when my patch applied to kernel.
>> I wasn't myself.
>>
>> I consider the WOL and I will resent the patch.
>> Thank you for your point.
>>
>>
>> thanks,
>> Naohiro Ooiwa
>
>
>Good, thank you for checking. I like the idea of powering down the
>PHY. Some of the drivers have shutdown hooks to power PHY back on
>during shutdown to enable WOL.
>
>
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