Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and HSS

From: Alexey Zaytsev
Date: Tue May 08 2007 - 04:49:08 EST


On 5/8/07, Tomasz Chmielewski <mangoo@xxxxxxxx> wrote:
Michael Jones wrote:

>> +#ifndef __ARMEB__
>> +#warning Little endian mode not supported
>> +#endif
>
> Personally I'm less fussed about WAN / LE support. Anyone with any
> sense will run ixp4xx boards doing such a specialised network
> operation as BE. Also, NSLU2-Linux can't test this functionality with
> our LE setup as we don't have this hardware on-board. You may just
> want to declare a depends on ARMEB in Kconfig (with or without OR
> (ARM || BROKEN) ) and have done with it - it's up to you.

Christian Hohnstaedt's work did support LE though.

Not all ixp4xx boards are by definition "doing such a specialised
network operation".


I was always curious, why do people want to run ixp4xx in LE mode? What
are the benefits that overweight the obvious performance degradation?
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