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Date: Tue, 11 Dec 2012 17:45:09 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>, linux-arm-kernel@lists.infradead.org,
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        Gregory Clement <gregory.clement@free-electrons.com>,
        Yinghai Lu <yinghai@kernel.org>
Subject: Re: [RFC v1 01/16] lib: devres: don't enclose pcim_*() functions in
 CONFIG_HAS_IOPORT
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> The problem comes when you end up trying to deal with stuff which
> uses ioread{8,16} on ioport_map() cookies where it's assumed that
> adding N to the cookie is the same as adding N to the port address.

It's a cookie - this isn't a problem, you can support it via the mapping
approah. Whether you want to is another question.

> Thankfully those platforms aren't going to be a part of the single
> zImage project...

Don't blame you 8)