From: Scott Wood <scottwood@freescale•com>
To: Chris Pringle <chris.pringle@oxtel•com>
Cc: "linuxppc-dev@ozlabs•org list" <linuxppc-dev@lists•ozlabs.org>,
linux-kernel@vger•kernel.org
Subject: Re: PowerPC PCI DMA issues (prefetch/coherency?)
Date: Tue, 16 Jun 2009 12:03:47 -0500 [thread overview]
Message-ID: <4A37D073.6020802@freescale.com> (raw)
In-Reply-To: <4A37CF02.5080906@oxtel.com>
Chris Pringle wrote:
> Ah right - that would explain what we're seeing then... Doh. Thought I
> might have been onto something then. Is there any way to force a cache
> flush? That'd at least prove it was a caching issue if it resolved the
> problem.
You could enable CONFIG_NOT_COHERENT_CACHE.
-Scott
next prev parent reply other threads:[~2009-06-16 17:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4A37A503.3030209@oxtel.com>
[not found] ` <20090616162114.GA5051@loki.buserror.net>
[not found] ` <4A37C97A.5050508@oxtel.com>
2009-06-16 16:46 ` PowerPC PCI DMA issues (prefetch/coherency?) Scott Wood
2009-06-16 16:57 ` Chris Pringle
2009-06-16 17:03 ` Scott Wood [this message]
2009-06-16 17:43 ` Arnd Bergmann
2009-06-16 17:49 ` Scott Wood
2009-06-16 18:02 ` Arnd Bergmann
2009-06-17 0:18 ` Benjamin Herrenschmidt
2009-06-17 0:37 ` FUJITA Tomonori
2009-06-17 0:56 ` Leon Woestenberg
2009-06-17 1:08 ` Benjamin Herrenschmidt
2009-06-17 1:13 ` Leon Woestenberg
2009-06-17 1:07 ` Benjamin Herrenschmidt
2009-06-17 7:58 ` Chris Pringle
2009-06-17 13:18 ` Chris Pringle
2009-06-18 11:24 ` Chris Pringle
2009-06-22 14:31 ` AW: " Sergej.Stepanov
2009-06-29 8:11 ` Chris Pringle
2009-06-16 14:08 Chris Pringle
2009-06-16 15:48 ` Roderick Colenbrander
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