netdev - Re: [PATCH] Better MWI workaround for 21143 rev 65 chip errata

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Date:	Fri, 04 Apr 2008 18:07:20 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Grant Grundler <grundler@...isc-linux.org>
CC:	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	netdev@...r.kernel.org, kyle@...isc-linux.org,
	zero@...onel-panic.org
Subject: Re: [PATCH] Better MWI workaround for 21143 rev 65 chip errata

Grant Grundler wrote:
> On Tue, Mar 25, 2008 at 12:39:09PM +0100, Thomas Bogendoerfer wrote:
>> From: Peter Horton <zero@...onel-panic.org>
>>
>> This patch works around the MWI bug on the DC21143 rev 65 Tulip by
>> ensuring that the receive buffers don't end on a cache line boundary
>> (as documented in the errata).
>>
>> This patch is required for the MIPS based Cobalt Qube/RaQ as
>> supporting the extra PCI commands seems to reduce the chance of a hard
>> lockup between the Tulip and the PCI bridge.
>>
>> Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> 
> Acked-by: Grant Grundler <grundler@...isc-linux.org>
> 
> thanks!
> I haven't tested this but it looks correct to me.

Wanna give it a quick test then someone bounce me the patch?  :)  I 
don't have the original.

	Jeff


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