From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Subject: Re: [PATCHv3 02/19] [HACK] ARM: tegra: Populate AHB/IOMMU earlier
	than others
Date: Wed, 30 Oct 2013 16:01:09 -0600
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References: <1382092020-13170-1-git-send-email-hdoyu@nvidia.com>
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To: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>, Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Grant Likely <grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
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List-Id: linux-tegra@vger.kernel.org

On 10/18/2013 04:26 AM, Hiroshi Doyu wrote:
> Populate AHB/IOMMU earlier than others. IOMMU depends on AHB. IOMMU
> needs to be instanciated earlier than others so that IOMMU can
> register other platform devices as IOMMU'able. Once IOMMU is
> populated, IOMMU/AHB nodes are detached to prevent another
> registeration.

I think NAK on patches 2-4; this is just too fragile, and the opposite
direction of where we've been going.

Also once we get to ARMv8, we apparently won't be able to have a per-SoC
file like tegra.c in which to put hacks like this, so it'll never work
there even if it does for ARMv7.