From: Kyle McMartin <kyle@mcmartin.ca>
To: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ioread32 endianess.
Date: Tue, 27 Feb 2007 08:20:21 -0500 [thread overview]
Message-ID: <20070227132021.GC3545@athena.road.mcmartin.ca> (raw)
In-Reply-To: <f19298770702270431i198e032fhe025e221a625140f@mail.gmail.com>
On Tue, Feb 27, 2007 at 03:31:20PM +0300, Alexey Zaytsev wrote:
> Than how should one write a portable endian-independent driver? Should
> I wrap ioread32 with an le32_to_cpu?
>
PCI is always little endian, unless it's not. In which case you're probably
dealing with a graphics card which likely has some kind of palindromic
register which you can read and write to set the endianness of the host
interface. Whoo. Run on sentence.
next prev parent reply other threads:[~2007-02-27 13:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-26 15:36 ioread32 endianess Alexey Zaytsev
2007-02-26 16:04 ` Kyle McMartin
2007-02-27 12:31 ` Alexey Zaytsev
2007-02-27 13:20 ` Kyle McMartin [this message]
2007-02-27 13:55 ` Kyle McMartin
2007-02-27 14:27 ` Haavard Skinnemoen
2007-02-27 14:36 ` Alexey Zaytsev
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