linux-kernel - Re: [PATCH 1/2] iommu: Implement of_iommu_get_resv

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Message-ID: <5d6d1b6e.1c69fb81.c6a88.9b11@mx.google.com>
Date:   Mon, 02 Sep 2019 14:38:54 +0100
From:   Rob Herring <robh@...nel.org>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Robin Murphy <robin.murphy@....com>,
        iommu@...ts.linux-foundation.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] iommu: Implement of_iommu_get_resv_regions()

On Thu, 29 Aug 2019 13:14:06 +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@...dia.com>
> 
> This is an implementation that IOMMU drivers can use to obtain reserved
> memory regions from a device tree node. It uses the reserved-memory DT
> bindings to find the regions associated with a given device. These
> regions will be used to create 1:1 mappings in the IOMMU domain that
> the devices will be attached to.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Frank Rowand <frowand.list@...il.com>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Thierry Reding <treding@...dia.com>
> ---
>  drivers/iommu/of_iommu.c | 39 +++++++++++++++++++++++++++++++++++++++
>  include/linux/of_iommu.h |  8 ++++++++
>  2 files changed, 47 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>