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From: Ben Hutchings <bhutchings@solarflare.com>
To: Jiang Wang <Jiang.Wang@riverbed.com>
Cc: "Francis St. Amant" <Francis.St.Amant@riverbed.com>,
	Panchamukhi <Prasanna.Panchamukhi@riverbed.com>,
	Carolyn, "miles.ito@intel.com" <miles.ito@intel.com>,
	"e1000-devel@lists.sourceforge.net"
	<e1000-devel@lists.sourceforge.net>,
	Bruce Allan <bruce.w.allan@intel.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	John Ronciak <john.ronciak@intel.com>,
	Prasanna, "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Chaitanya Lala <Chaitanya.Lala@riverbed.com>,
	Peter
Subject: Re: [PATCH 1/2] e100: power down PHY if WOL is not enabled
Date: Wed, 14 Dec 2011 22:07:48 +0000	[thread overview]
Message-ID: <1323900468.2753.22.camel@bwh-desktop> (raw)
In-Reply-To: <CEE05A0D7856E14880AD5560634EBEA82AA78720@365EXCH-MBX-P5.nbttech.com>

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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  reply	other threads:[~2011-12-14 22:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-14  2:49 [PATCH 1/2] e100: power down PHY if WOL is not enabled Jiang Wang
2011-12-14  2:49 ` [PATCH 2/2] e100: power off PHY after reset when interface is down Jiang Wang
2011-12-16  2:29   ` Jiang Wang
2011-12-14 20:30 ` [PATCH 1/2] e100: power down PHY if WOL is not enabled Ben Hutchings
2011-12-14 21:59   ` Jiang Wang
2011-12-14 22:07     ` Ben Hutchings [this message]
2011-12-14 22:16       ` Jiang Wang
2011-12-16  2:28       ` Jiang Wang

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