netdev - Re: [PATCH] gianfar: ensure ECNTRL[R100] is cleared on link state change

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Date:	Tue, 6 Jan 2009 14:56:25 -0600
From:	Andy Fleming <afleming@...escale.com>
To:	Kumar Gala <galak@...nel.crashing.org>
Cc:	netdev@...r.kernel.org, linuxppc-dev@...abs.org,
	davem@...emloft.net, Leo Li <leo@...k.ap.freescale.net>
Subject: Re: [PATCH] gianfar: ensure ECNTRL[R100] is cleared on link state change


On Jan 6, 2009, at 2:52 PM, Kumar Gala wrote:

> From: Leo Li <leo@...k.ap.freescale.net>
>
> When changing the link between 100Mbps and 1Gbps in SGMII mode it was
> found out that the link would stop working.  The issue is that  
> ECNTRL[R100]
> needs to be cleared when in 1Gbps mode.  Older reference manuals  
> didn't
> require the explicitly clearing but has since been found it that it is
> needed.
>
> Signed-off-by: Li Yang <leoli@...escale.com>
> Signed-off-by: Kumar Gala <galak@...nel.crashing.org>

Acked-by: Andy Fleming <afleming@...escale.com>

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