[U-Boot] [PATCH] ARM: mxs: Do not reconfigure FEC clock in FEC init

[Marek Vasut <marex@denx.de>]

Dear Stefano Babic,

> Hi Marek,
> 
> On 15/10/2013 23:19, Marek Vasut wrote:
> > Forget this, the issue is still present. Damn!
> > 
> > It's at least a little clearer to me what happens now. The FEC fails to
> > transmit an TFTP block ACK packet -> the server waits 5 seconds -> sends
> > ARP packet -> FEC replies and resends the TFTP block ACK again. Why does
> > the FEC swallow a TX packet, I don't know.
> 
> Anyway, it is strange that this happens only with this board. It appears
> as the SOC sends or thinks to have sent, but the packet is corrupted or
> not sent at all on the physical layer. Maybe you can check on the other
> side of the connection on the switch and/or on the server, if some
> errors are detected.

This happens on multiple boards and we're sometimes getting reports about this 
issue. So this is not a single board issue. Maybe we should figure out what do 
these boards have in common.

Best regards,
Marek Vasut