From: Arnd Bergmann <arnd@arndb.de>
To: Varun Sethi <Varun.Sethi@freescale.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
        Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>,
        Stephen Warren <swarren@wwwdotorg.org>,
        Will Deacon <will.deacon@arm.com>, Joerg Roedel <joro@8bytes.org>,
        Olav Haugan <ohaugan@codeaurora.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        Grant Grundler <grundler@chromium.org>,
        Rhyland Klein <rklein@nvidia.com>,
        "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Marc Zyngier <marc.zyngier@arm.com>, Allen Martin <amartin@nvidia.com>,
        Paul Walmsley <pwalmsley@nvidia.com>,
        "linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
        Cho KyongHo <pullip.cho@samsung.com>,
        Dave Martin <Dave.Martin@arm.com>,
        "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 02/10] devicetree: Add generic IOMMU device tree bindings
Date: Fri, 04 Jul 2014 11:05:01 +0200
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On Friday 04 July 2014 06:42:48 Varun Sethi wrote:
> Master node corresponds to the device node, right? Master ID would correspond
> to Stream ID? We are already using "iommu-parent" property to link a device
> to its corresponding IOMMU. We can use the same property instead of using "iommus".

I don't see "iommu-parent" used anywhere, just "fsl,iommu-parent". We can
probably allow "fsl,iommu-parent" as an alias for "iommus" for backwards-
compatibility if that helps you on PowerPC. For ARM, I'd prefer to mandate
that we use just "iommus".

	Arnd
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