From: Clemens Koller <clemens.koller@anagramm.de>
To: linux-fbdev-devel@lists.sourceforge.net
Cc: adaplas@gmail.com, benh@kernel.crashing.org,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
Geert Uytterhoeven <geert@linux-m68k.org>,
Andrew Morton <akpm@linux-foundation.org>,
Anton Vorontsov <avorontsov@ru.mvista.com>
Subject: Re: [PATCH 1/2] fb: add support for foreign endianness
Date: Wed, 20 Feb 2008 16:43:42 +0100 [thread overview]
Message-ID: <47BC4AAE.8020908@anagramm.de> (raw)
In-Reply-To: <18363.31427.989835.105966@cargo.ozlabs.ibm.com>
Paul Mackerras schrieb:
> Andrew Morton writes:
>
>> Bizarrely, the original author of the patch (Anton) has fallen off the cc.
>> Could whoever did that please thwap himself?
>>
>> Anyway, my head is now officially spinning. Did anyone actually have a
>> reason why we shouldn't proceed with Anton's patch?
>
> I was wondering if it would be sufficient to provide alternative
> versions of fb_readl, fb_writel etc. that do byte-swapping. That
> would mean that all framebuffers would have to have the same
> endianness, but that would suffice for embedded systems such as
> Anton's and would end up a lot simpler IMHO.
Yes. At least the affected PowerPC platforms can do byte-swapping on
the fly, so this should be sufficient and without performance
penalty, AFAICS.
Regards,
Clemens
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
prev parent reply other threads:[~2008-02-20 15:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080205154432.GA8749@localhost.localdomain>
2008-02-15 6:49 ` [PATCH 1/2] fb: add support for foreign endianness Andrew Morton
2008-02-15 16:45 ` Anton Vorontsov
2008-02-17 9:44 ` Geert Uytterhoeven
2008-02-18 7:18 ` Krzysztof Helt
2008-02-18 17:30 ` Valdis.Kletnieks
2008-02-18 17:37 ` Anton Vorontsov
2008-02-18 23:35 ` [Linux-fbdev-devel] " Clemens Koller
2008-02-19 0:35 ` Benjamin Herrenschmidt
2008-02-19 11:27 ` [Linux-fbdev-devel] " Clemens Koller
2008-02-19 12:05 ` Andrew Morton
2008-02-19 12:22 ` [Linux-fbdev-devel] " Clemens Koller
2008-02-20 0:47 ` Valdis.Kletnieks
2008-02-20 0:50 ` Benjamin Herrenschmidt
2008-02-20 0:56 ` Paul Mackerras
2008-02-20 12:18 ` Anton Vorontsov
2008-02-20 20:38 ` Benjamin Herrenschmidt
2008-02-21 4:59 ` Paul Mackerras
2008-02-20 15:43 ` Clemens Koller [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=47BC4AAE.8020908@anagramm.de \
--to=clemens.koller@anagramm.de \
--cc=adaplas@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=avorontsov@ru.mvista.com \
--cc=benh@kernel.crashing.org \
--cc=geert@linux-m68k.org \
--cc=linux-fbdev-devel@lists.sourceforge.net \
--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).