Re: [RFC 1/5] ARM: dev_archdata: add private iommu extension

From: Ohad Ben-Cohen
Date: Sun Oct 02 2011 - 14:49:21 EST

On Tue, Sep 27, 2011 at 4:30 AM, Grant Likely <grant.likely@xxxxxxxxxxxx> wrote:
> Blech.  Oh well.  Not much point in doing something different if x86
> uses a void*.

x86 probably does this because two different implementations needs to
plug their private data there: intel-iommu plugs there a 'struct
device_domain_info *' and amd_iommu uses it with a 'struct
iommu_dev_data *'.

On ARM we'd eventually end up with even a bigger variety, and I guess
that even if we'd use a type-safe member here, it would itself end up
having 'void *'.

If it looks reasonable to you, can I please have your Ack ?

Russell, can you please take a look too and ack/nack ?

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