From: Jean-Hugues Deschenes <jean-hugues.deschenes-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
To: Ben Dooks <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
Cc: Shinya Kuribayashi
<shinya.kuribayashi-jaWZhaxaiAMAvxtiuMwx3w@public.gmane.org>,
Baruch Siach <baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 0/3] i2c-designware: Allow mixed endianness
Date: Thu, 14 Jan 2010 07:34:27 -0500 [thread overview]
Message-ID: <4B4F0F53.9020103@octasic.com> (raw)
In-Reply-To: <20100114064501.GR3738-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
>> Actually, the specific case I'm interested in is one where I have an
>> SOC built around an ARM core running in little-endian mode, in which
>> the Designware IP has been instantiated and hooked up (to the internal
>> data bus) in big endian format.
>>
>> This patch could also come in handy, for example, if someone were to
>> run an armeb kernel on an SOC where the DW IP has been instantiated
>> and hooked up in little endian format (as is probably the case for
>> most ARM-based SOCs out there).
>>
>
> I think this is currently an oditity, most ARM systems are still armel,
> especiailly since very few distributions do armeb
>
For the latter case, I definitely agree with you. Still, this patchset
solves a problem which is very real (for me!) where I'm running an armel
build and interfacing to a big endian DW I2C device.
jh
next prev parent reply other threads:[~2010-01-14 12:34 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
[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 [this message]
2010-01-14 12:30 ` Baruch Siach
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