From: Robert Hancock <hancockr@shaw.ca>
To: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ioread64()?
Date: Thu, 07 Sep 2006 17:23:27 -0600 [thread overview]
Message-ID: <4500A9EF.40807@shaw.ca> (raw)
In-Reply-To: <fa.zgAWvZQAAp+6nKV9Kd93QR7HZHw@ifi.uio.no>
Rolf Eike Beer wrote:
> Hi,
>
> I'm looking for a way to access 64 or 128 bit of device space in a single
> access. For smaller accesses I use ioread32() and friends. But which way
> should I do it for the next bigger accesses? Casting the iospace to something
> like u64* looks very suspicious to me. Any better ideas?
>
> Greetings,
>
> Eike
There's no portable way to do this as far as I'm aware, for the likely
reason that on many architectures it's impossible to do it in one access..
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2006-09-07 23:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.zgAWvZQAAp+6nKV9Kd93QR7HZHw@ifi.uio.no>
2006-09-07 23:23 ` Robert Hancock [this message]
2006-09-13 20:34 ` ioread64()? Arnd Bergmann
2006-09-07 14:41 ioread64()? Rolf Eike Beer
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