netdev - Re: [PATCH] e1000e: Intel 82571EB: Don't wait for MNG cycle on unmanaged chips

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Message-ID: <AANLkTimr8-hZYtQyYTTPmvRaNr-upRtVdddtoRbRbQ_y@mail.gmail.com>
Date:	Sun, 29 Aug 2010 19:42:39 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Kyle Moffett <Kyle.D.Moffett@...ing.com>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	e1000-devel@...ts.sourceforge.net,
	Kyle Moffett <kyle@...fetthome.net>
Subject: Re: [PATCH] e1000e: Intel 82571EB: Don't wait for MNG cycle on
 unmanaged chips

On Fri, Aug 27, 2010 at 12:10, Kyle Moffett <Kyle.D.Moffett@...ing.com> wrote:
> The Intel 82571EB chipset can be used in an unmanaged configuration as a
> fast dual-port Gig-E controller.  Unfortunately a board constructed that
> way would fail to correctly come up because the driver polls for the
> completion of a management cycle that will never occur.
>
> To resolve this problem, we disable the poll and error return on chips
> whose EEPROMs indicate no management.  As a protection against
> misconfigured chipsets, we still delay for the entire management poll
> timeout.
>
> Signed-off-by: Kyle Moffett <Kyle.D.Moffett@...ing.com>
> ---
>  drivers/net/e1000e/82571.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
>

Thanks Kyle, I have added the patch to my queue.

-- 
Cheers,
Jeff
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