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From: Jiri Slaby <jirislaby@gmail.com>
To: Pekka Paalanen <pq@iki.fi>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Do cpu-endian MMIO accessors exist?
Date: Tue, 21 Jul 2009 22:59:31 +0200	[thread overview]
Message-ID: <4A662C33.7080505@gmail.com> (raw)
In-Reply-To: <20090721234243.1928d9e2@daedalus.pq.iki.fi>

On 07/21/2009 10:42 PM, Pekka Paalanen wrote:
> This is for Nouveau, where the hardware is configured to have the
> same endianess as the cpu. Well, it's configured BE for PPC and
> LE otherwise.

But not only ppc is BE.

> Do cpu-endian MMIO accessors exist? What should I use, or do I just
> have to use #ifdef __BIG_ENDIAN?

There is __raw_readl which doesn't switch bytes.

  reply	other threads:[~2009-07-21 20:59 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-21 20:42 Do cpu-endian MMIO accessors exist? Pekka Paalanen
2009-07-21 20:59 ` Jiri Slaby [this message]
2009-07-21 21:15   ` Arnd Bergmann
2009-07-21 21:33     ` Christoph Hellwig
2009-07-21 22:01       ` Arnd Bergmann
2009-07-22 17:11         ` Pekka Paalanen
2009-07-22 21:19           ` Arnd Bergmann
2009-07-23 16:23             ` Pekka Paalanen
2009-07-22 21:20           ` Arnd Bergmann
2009-07-21 21:56     ` Jiri Slaby
2009-07-21 22:05       ` Arnd Bergmann
2009-07-22  7:24         ` Jiri Slaby
2009-07-22  7:24           ` Jiri Slaby
2009-07-22  8:35           ` Arnd Bergmann
2009-07-22  8:35             ` Arnd Bergmann
2009-07-22  8:43             ` Alan Cox
2009-07-22  8:43               ` Alan Cox
2009-07-22 13:44               ` Arnd Bergmann
2009-07-22 13:44                 ` Arnd Bergmann
2009-07-27  5:00                 ` Paul Mundt
2009-07-27  5:00                   ` Paul Mundt

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