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

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Message-Id: <200705080826.l488Qnrb006666@harpo.it.uu.se>
Date:	Tue, 8 May 2007 10:26:49 +0200 (MEST)
From:	Mikael Pettersson <mikpe@...uu.se>
To:	khc@...waw.pl, mlj28@....ac.uk
Cc:	jeff@...zik.org, linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	rmk@....linux.org.uk
Subject: Re: [PATCH] Intel IXP4xx network drivers v.2 - Ethernet and HSS

On Tue, 8 May 2007 08:22:17 +0100, Michael-Luke Jones wrote:
> On 8 May 2007, at 02:19, Krzysztof Halasa wrote:
> 
> > Adds a driver for built-in IXP4xx Ethernet MAC and HSS ports
...
> > +#ifndef __ARMEB__
> > +#warning Little endian mode not supported
> > +#endif
> 
> This has gone from error to warning - fair play but if are planning  
> to put this upstream this cycle (anything's possible :) ) you'll want  
> to declare this driver broken on ARMEB in Kconfig please.
> 
> Personally I'd like LE ethernet tested and working before we push.

AFAIK, it's a HW limitation of the IXP4xx NPEs, or
possibly Intel's microcode for them.

I run my IXP42x boxes big-endian and don't mind doing so.

/Mikael
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