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

[Andy Fleming]

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

> From: Leo Li <leo at rock.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 at freescale.com>
> Signed-off-by: Kumar Gala <galak at kernel.crashing.org>

Acked-by: Andy Fleming <afleming at freescale.com>