netdev - Re: [net-2.6 PATCH 6/6] e1000e: 82579 do not gate auto config of PHY by hardware during nominal use

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Message-Id: <20100922.211115.52176292.davem@davemloft.net>
Date:	Wed, 22 Sep 2010 21:11:15 -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,
	bruce.w.allan@...el.com
Subject: Re: [net-2.6 PATCH 6/6] e1000e: 82579 do not gate auto config of
 PHY by hardware during nominal use

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 22 Sep 2010 20:17:01 -0700

> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> For non-managed versions of 82579, set the bit that prevents the hardware
> from automatically configuring the PHY after resets only when the driver
> performs a reset, clear the bit after resets.  This is so the hardware can
> configure the PHY automatically when the part is reset in a manner that is
> not controlled by the driver (e.g. in a virtual environment via PCI FLR)
> otherwise the PHY will be mis-configured causing issues such as failing to
> link at 1000Mbps.
> For managed versions of 82579, keep the previous behavior since the
> manageability firmware will handle the PHY configuration.
> 
> 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.
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