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Date:	Tue, 27 Jul 2010 21:06:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
	stable@...nel.org, bruce.w.allan@...el.com
Subject: Re: [net-2.6 PATCH] e1000e: 82577/82578 PHY register access issues

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Tue, 27 Jul 2010 15:28:46 -0700

> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> The MAC-PHY interconnect on 82577/82578 uses a power management feature
> (called K1) which must be disabled when in 1Gbps due to a hardware issue on
> these parts.  The #define bit setting used to enable/disable K1 is
> incorrect and can cause PHY register accesses to stop working altogether
> until the next device reset.  This patch sets the register correctly.
> 
> This issue is present in kernels since 2.6.32.
> 
> CC: stable@...nel.org
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Tested-by: Jeff Pieper <jeffrey.e.pieper@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied, thanks.
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