From: Ralph Siemsen <rsiemsen@rossvideo.com>
To: Matt Porter <mporter@kernel.crashing.org>
Cc: ppcembed <linuxppc-embedded@ozlabs.org>
Subject: Re: 2.6 4xx GPIO OCP driver?
Date: Fri, 25 Feb 2005 16:19:41 -0500 [thread overview]
Message-ID: <421F966D.4060206@rossvideo.com> (raw)
In-Reply-To: <20050225133055.A28918@cox.net>
Matt Porter wrote:
> I didn't bother merging it upstream at one time. It wasn't clear
> if the driver had any value over just mmaping /dev/mem to bang
> on the couple gpio registers directly. [...]
Will that work on the 440 where the devices sit above 4GB mark? Or must
one rely on there being an existing TLB mapping to bring them into
32-bit space?
-Ralph
next prev parent reply other threads:[~2005-02-25 21:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-25 19:40 2.6 4xx GPIO OCP driver? Steven Blakeslee
2005-02-25 20:25 ` Travis B. Sawyer
2005-02-25 20:30 ` Matt Porter
2005-02-25 20:51 ` Travis B. Sawyer
2005-02-25 21:19 ` Ralph Siemsen [this message]
2005-02-26 0:29 ` Matt Porter
2005-02-26 22:31 ` Travis Sawyer
2005-02-26 22:31 ` Travis B. Sawyer
-- strict thread matches above, loose matches on Subject: below --
2005-02-25 17:17 Travis B. Sawyer
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