netdev - Re: [net-2.6 PATCH 2/2] e1000e: rework disable K1 at 1000Mbps for 82577/82578

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Message-Id: <20091029.225432.56800664.davem@davemloft.net>
Date:	Thu, 29 Oct 2009 22:54:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bruce.w.allan@...el.com
Subject: Re: [net-2.6 PATCH 2/2] e1000e: rework disable K1 at 1000Mbps for
 82577/82578

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Thu, 29 Oct 2009 16:46:05 -0700

> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> This patch reworks a previous workaround (commit 7d3cabbcc) for an issue
> in hardware where noise on the interconnect between the MAC and PHY could
> be generated by a lower power mode (K1) at 1000Mbps resulting in bad
> packets.  Disable K1 while at 1000 Mbps but keep it enabled for 10/100Mbps
> and when the cable is disconnected.  The original version of this
> workaround was found to be incomplete.
> 
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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