From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmci: restrict DMA usage to large, even multiblock transfers
Date: Tue, 1 Feb 2011 15:05:42 +0000 [thread overview]
Message-ID: <20110201150542.GM31216@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <AANLkTimN=bxJzGFDc50-ZUMmCtXaGxVUd9-Zg1+QGfNf@mail.gmail.com>
On Tue, Feb 01, 2011 at 03:07:12PM +0100, Linus Walleij wrote:
> 2011/2/1 Russell King - ARM Linux <linux@arm.linux.org.uk>:
>
> > So... I think this patch will work fine on ST variants, returning the
> > DMA request signals back to their classic meaning. ?That being LSREQ
> > is only activated on the _final_ transfer rather than the last 8
> > transfers, which as Linus describes makes your DMA controller complete
> > on the 8th-to-last transfer.
>
> I've tested this patch on MMC and SD on U8500 and it works
> fine, so
> Tested-by: Linus Walleij <linus.walleij@linaro.org>
Thanks. Can I apply that to the DMA patch too (and combine this with the
main MMCI DMA patch) ?
next prev parent reply other threads:[~2011-02-01 15:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 10:41 [PATCH] mmci: restrict DMA usage to large, even multiblock transfers Linus Walleij
2011-02-01 10:54 ` Russell King - ARM Linux
2011-02-01 11:34 ` Ulf Hansson
2011-02-01 11:45 ` Russell King - ARM Linux
2011-02-01 11:56 ` Ulf Hansson
2011-02-01 11:58 ` Russell King - ARM Linux
2011-02-01 14:07 ` Linus Walleij
2011-02-01 14:44 ` Russell King - ARM Linux
2011-02-02 9:39 ` Linus Walleij
2011-02-01 15:05 ` Russell King - ARM Linux [this message]
2011-02-02 9:34 ` Linus Walleij
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=20110201150542.GM31216@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.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).