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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

  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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