From: Ben Dooks <ben-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
To: Shinya Kuribayashi
<shinya.kuribayashi-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>
Cc: Jean-Hugues Deschenes
<jean-hugues.deschenes-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>,
Baruch Siach <baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>,
Ben Dooks <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 0/3] i2c-designware: Allow mixed endianness
Date: Thu, 14 Jan 2010 01:09:05 +0000 [thread overview]
Message-ID: <20100114010905.GJ3738@trinity.fluff.org> (raw)
In-Reply-To: <4B4E6815.9050908-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>
On Thu, Jan 14, 2010 at 09:40:53AM +0900, Shinya Kuribayashi wrote:
> Jean-Hugues Deschenes wrote:
>> Here is patchset for the i2c-designware driver, allowing little
>> endian machines to use the DW IP instantiated in big endian
>> and vice versa.
>
> In the commit ed5e1dd5 (i2c-designware: Consolidate to use 32-bit
> word accesses), I tried to sort out the I/O endian issue, but it
> seems doesn't work for your environment, R/W data is swapped :-(
I think this one of those weird cases where you have _both_ types of
endianess of peripherals where anything in readl/writel isn't going
to help you out.
--
Ben
Q: What's a light-year?
A: One-third less calories than a regular year.
next prev parent reply other threads:[~2010-01-14 1:09 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-13 19:32 [PATCH 0/3] i2c-designware: Allow mixed endianness Jean-Hugues Deschenes
2010-01-13 19:32 ` [PATCH 1/3] Use local version of readl & writel Jean-Hugues Deschenes
[not found] ` <20100113193421.068608000-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
2010-01-14 23:40 ` Shinya Kuribayashi
[not found] ` <4B4FAB83.1060408-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>
2010-01-15 13:33 ` Jean-Hugues Deschenes
2010-01-13 19:32 ` [PATCH 2/3] Check component type register Jean-Hugues Deschenes
[not found] ` <20100113193421.139644000-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
2010-01-14 1:11 ` Ben Dooks
[not found] ` <20100114011101.GK3738-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2010-01-14 12:37 ` Jean-Hugues Deschenes
2010-01-13 19:32 ` [PATCH 3/3] Allow mixed endianness accesses Jean-Hugues Deschenes
[not found] ` <20100113193421.212989000-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
2010-01-15 0:01 ` Shinya Kuribayashi
[not found] ` <4B4FB03E.1070708-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>
2010-01-15 14:04 ` Jean-Hugues Deschenes
[not found] ` <4B5075ED.8020307-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
2010-01-15 15:16 ` Jean-Hugues Deschenes
2010-01-18 10:00 ` Shinya Kuribayashi
[not found] ` <4B54312E.9030106-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>
2010-01-18 12:54 ` Jean-Hugues Deschenes
[not found] ` <20100113193224.753273000-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
2010-01-14 0:40 ` [PATCH 0/3] i2c-designware: Allow mixed endianness Shinya Kuribayashi
[not found] ` <4B4E6815.9050908-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>
2010-01-14 1:09 ` Ben Dooks [this message]
[not found] ` <390831ED3DF58E41A3D2FB82591E2C36047AF627@MAILEXCH.octasic.com>
[not found] ` <390831ED3DF58E41A3D2FB82591E2C36047AF627-Jh1kU4MlLDZ5rAAhGZPdxVaTQe2KTcn/@public.gmane.org>
2010-01-14 6:45 ` Ben Dooks
[not found] ` <20100114064501.GR3738-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2010-01-14 12:34 ` Jean-Hugues Deschenes
2010-01-14 12:30 ` Baruch Siach
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=20100114010905.GJ3738@trinity.fluff.org \
--to=ben-smnklelxa3z6wcw2j4pizdi2o/jbrioy@public.gmane.org \
--cc=baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org \
--cc=ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org \
--cc=jean-hugues.deschenes-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org \
--cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=shinya.kuribayashi-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.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.