From: Jeff Garzik <jgarzik@pobox.com>
To: Grant Grundler <grundler@parisc-linux.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
netdev@vger.kernel.org, kyle@parisc-linux.org,
zero@colonel-panic.org
Subject: Re: [PATCH] Better MWI workaround for 21143 rev 65 chip errata
Date: Fri, 04 Apr 2008 18:07:20 -0400 [thread overview]
Message-ID: <47F6A698.1010400@pobox.com> (raw)
In-Reply-To: <20080404064216.GA8791@colo.lackof.org>
Grant Grundler wrote:
> On Tue, Mar 25, 2008 at 12:39:09PM +0100, Thomas Bogendoerfer wrote:
>> From: Peter Horton <zero@colonel-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@alpha.franken.de>
>
> Acked-by: Grant Grundler <grundler@parisc-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
next prev parent reply other threads:[~2008-04-04 22:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 11:39 [PATCH] Better MWI workaround for 21143 rev 65 chip errata Thomas Bogendoerfer
2008-04-04 6:42 ` Grant Grundler
2008-04-04 22:07 ` Jeff Garzik [this message]
2008-04-05 18:19 ` Grant Grundler
2008-04-12 9:01 ` Jeff Garzik
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