From: Ben Dooks <ben-linux@fluff.org>
To: Jonathan Miles <jm@reciva.com>
Cc: linux-samsung-soc@vger.kernel.org
Subject: Re: S3C2412 SPI controller in DMA/FIFO mode
Date: Wed, 12 May 2010 12:42:41 +0100 [thread overview]
Message-ID: <20100512114241.GI26401@trinity.fluff.org> (raw)
In-Reply-To: <4BEA78AA.1090409@reciva.com>
[-- Attachment #1: Type: text/plain, Size: 660 bytes --]
On Wed, May 12, 2010 at 10:45:14AM +0100, Jonathan Miles wrote:
> Hi!
>
> Has anyone had any success in getting the S3C2412 SPI controller to work
> in FIFO or DMA mode? I've been trying for a while now but not managed to
> create anything stable.
>
> I note that the current kernels have s3c24xx_fiq - is this because no
> one else has managed to get FIFO/DMA to work either?
Partly it is there because other SoCs don't have FIFO and also don't
have bi-directional capable DMA. Not tried FIFO with S3C2412, the
FIQ was plenty fast enough.
--
Ben
Q: What's a light-year?
A: One-third less calories than a regular year.
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 189 bytes --]
prev parent reply other threads:[~2010-05-12 11:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-12 9:45 S3C2412 SPI controller in DMA/FIFO mode Jonathan Miles
2010-05-12 11:42 ` Ben Dooks [this message]
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=20100512114241.GI26401@trinity.fluff.org \
--to=ben-linux@fluff.org \
--cc=jm@reciva.com \
--cc=linux-samsung-soc@vger.kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.