linux-kernel - Re: [PATCH] Intel IXP4xx network drivers v.2

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Message-ID: <f19298770705080148u70638ac2ue87241382681088@mail.gmail.com>
Date:	Tue, 8 May 2007 12:48:51 +0400
From:	"Alexey Zaytsev" <alexey.zaytsev@...il.com>
To:	"Tomasz Chmielewski" <mangoo@...g.org>
Cc:	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk, netdev@...r.kernel.org,
	"Michael Jones" <mlj28@....ac.uk>,
	"Krzysztof Halasa" <khc@...waw.pl>
Subject: Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and HSS

On 5/8/07, Tomasz Chmielewski <mangoo@...g.org> 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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