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From: Jeff Garzik <jeff@garzik.org>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: netdev@vger.kernel.org, grundler@parisc-linux.org,
	kyle@parisc-linux.org, zero@colonel-panic.org
Subject: Re: [PATCH] Better MWI workaround for 21143 rev 65 chip errata
Date: Sat, 12 Apr 2008 05:01:51 -0400	[thread overview]
Message-ID: <48007A7F.7040109@garzik.org> (raw)
In-Reply-To: <20080325113909.82BF8C2B76@solo.franken.de>

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>
> ---
> 
>  drivers/net/tulip/tulip.h      |    7 ++++++-
>  drivers/net/tulip/tulip_core.c |   19 +++++--------------
>  2 files changed, 11 insertions(+), 15 deletions(-)

applied



      parent reply	other threads:[~2008-04-12  9:01 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
2008-04-05 18:19     ` Grant Grundler
2008-04-12  9:01 ` Jeff Garzik [this message]

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