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Date: Wed, 14 Dec 2011 22:16:54 +0000 From: Jiang Wang <Jiang.Wang@...erbed.com> To: Ben Hutchings <bhutchings@...arflare.com> CC: Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Jesse Brandeburg <jesse.brandeburg@...el.com>, Bruce Allan <bruce.w.allan@...el.com>, Carolyn Wyborny <carolyn.wyborny@...el.com>, Don Skidmore <donald.c.skidmore@...el.com>, Greg Rose <gregory.v.rose@...el.com>, Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>, Alex Duyck <alexander.h.duyck@...el.com>, John Ronciak <john.ronciak@...el.com>, "e1000-devel@...ts.sourceforge.net" <e1000-devel@...ts.sourceforge.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Prasanna Panchamukhi <Prasanna.Panchamukhi@...erbed.com>, Chaitanya Lala <Chaitanya.Lala@...erbed.com>, "Francis St. Amant" <Francis.St.Amant@...erbed.com>, "miles.ito@...el.com" <miles.ito@...el.com> Subject: RE: [PATCH 1/2] e100: power down PHY if WOL is not enabled I see. I will add one more check for that. Thanks. ------------------------------------- Jiang Wang Member of Technical Staff Riverbed Technology Tel: (408) 522-5109 Email: Jiang.Wang@...erbed.com www.riverbed.com -----Original Message----- From: Ben Hutchings [mailto:bhutchings@...arflare.com] Sent: Wednesday, December 14, 2011 2:08 PM To: Jiang Wang Cc: Jeff Kirsher; Jesse Brandeburg; Bruce Allan; Carolyn Wyborny; Don Skidmore; Greg Rose; Peter P Waskiewicz Jr; Alex Duyck; John Ronciak; e1000-devel@...ts.sourceforge.net; netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Prasanna Panchamukhi; Chaitanya Lala; Francis St. Amant; miles.ito@...el.com Subject: RE: [PATCH 1/2] e100: power down PHY if WOL is not enabled On Wed, 2011-12-14 at 21:59 +0000, Jiang Wang wrote: > Hi Ben, > > Do you mean the WOL is enabled but PHY is powered off somehow? That > scenario should never happen. If WOL is enabled, there is no code to > power off PHY. [...] Initial conditions: interface up, WOL off, PHY on. 1. Bring interface down. PHY is turned off. 2. Turn WOL on. PHY is still off, but needs to be on. Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.
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