From: Timur Tabi <timur@freescale.com>
To: David Hawkins <dwh@ovro.caltech.edu>
Cc: linuxppc-dev@ozlabs.org, Dan Williams <dan.j.williams@intel.com>,
Liu Dave-R63238 <DaveLiu@freescale.com>,
linux-kernel@vger.kernel.org, Ira Snyder <iws@ovro.caltech.edu>
Subject: Re: [PATCH] fsldma: use PCI Read Multiple command
Date: Mon, 27 Apr 2009 15:04:49 -0500 [thread overview]
Message-ID: <49F60FE1.90707@freescale.com> (raw)
In-Reply-To: <49F60BF8.8040404@ovro.caltech.edu>
David Hawkins wrote:
> Can you give me an example of non-PCI memory that would be
> non-prefetchable that you'd like us to try? We can see if our
> host CPUs have an area like that ... we just need to know
> what device to look for first :)
Hmmmm.... I was going to say any SOC device in the IMMR, but I don't see
anything there that would constitute a memory buffer.
I test this change on an 8610 and DMA to a register I/O, where this bit
isn't even defined, and it made no difference. So I guess this change
is okay.
Acked-by: Timur Tabi <timur@freescale.com>
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2009-04-27 20:04 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-24 18:35 [PATCH] fsldma: use PCI Read Multiple command Ira Snyder
2009-04-27 7:48 ` Li Yang
2009-04-27 9:09 ` Liu Dave-R63238
2009-04-27 10:16 ` Li Yang
2009-04-27 14:31 ` Timur Tabi
2009-04-27 19:34 ` David Hawkins
2009-04-27 19:40 ` Timur Tabi
2009-04-27 19:48 ` David Hawkins
2009-04-27 19:54 ` Kumar Gala
2009-04-27 20:00 ` David Hawkins
2009-04-27 20:01 ` David Hawkins
2009-04-28 2:06 ` Liu Dave-R63238
2009-04-27 20:02 ` Kumar Gala
2009-04-27 20:12 ` David Hawkins
2009-04-27 20:04 ` Timur Tabi [this message]
2009-04-27 20:47 ` Scott Wood
2009-04-27 20:49 ` Timur Tabi
2009-04-27 20:22 ` David Hawkins
2009-04-27 20:26 ` Timur Tabi
2009-04-27 20:41 ` David Hawkins
2009-04-27 20:42 ` Timur Tabi
2009-04-27 20:44 ` David Hawkins
2009-04-27 20:42 ` Ira Snyder
2009-04-27 20:47 ` Timur Tabi
2009-04-27 20:49 ` Dan Williams
2009-06-11 2:45 ` Kumar Gala
2009-06-11 15:17 ` Ira Snyder
2009-06-12 9:23 ` Li Yang
2009-06-12 15:03 ` Kumar Gala
2009-06-12 17:38 ` Dan Williams
2009-06-12 18:01 ` Kumar Gala
2009-04-28 1:48 ` Liu Dave-R63238
2009-04-28 2:08 ` David Hawkins
2009-04-27 21:59 ` Liu Dave-R63238
2009-04-28 1:31 ` Liu Dave-R63238
2009-04-28 1:36 ` David Hawkins
2009-04-28 13:43 ` Timur Tabi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=49F60FE1.90707@freescale.com \
--to=timur@freescale.com \
--cc=DaveLiu@freescale.com \
--cc=dan.j.williams@intel.com \
--cc=dwh@ovro.caltech.edu \
--cc=iws@ovro.caltech.edu \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).