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Date: Tue, 12 Aug 2008 22:48:52 +0200
From: Jiri Slaby <jirislaby@gmail.com>
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To: yi.zhu@intel.com, reinette.chatre@intel.com,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: iwl + iomap + readl/writel
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Hi,

I spotted that iwl drivers use readl method on an iomap space. IIRC some archs 
might return a tag instead of an address expected by readl/writel.

I think you should either switch to ioread32/iowrite32 or to ioremap.