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Message-ID: <3C969FC5.10504@mandrakesoft.com>
Date: Mon, 18 Mar 2002 21:17:41 -0500
From: Jeff Garzik <jgarzik@mandrakesoft.com>
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To: root@chaos.analogic.com
CC: Ed Vance <EdV@macrolink.com>,
        "'linux-kernel'" <linux-kernel@vger.kernel.org>
Subject: Re: PCI drivers - memory mapped vs. I/O ports
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Richard B. Johnson wrote:

>On Mon, 18 Mar 2002, Ed Vance wrote:
>
>>If a PCI device can be programmed equally well via I/O port space or memory
>>space, what are the reasons to chose one space over the other when writing
>>the driver?
>>

>Basically, if you have a choice, it's hands-down to use memory-mapped
>I/O space.
>

Yep, I couldn't agree more.

    Jeff




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