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Date:   Wed, 14 Jul 2021 09:32:51 +0200
From:   Thierry Reding <thierry.reding@gmail.com>
To:     Vidya Sagar <vidyas@nvidia.com>
Cc:     robh+dt@kernel.org, jonathanh@nvidia.com,
        devicetree@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-kernel@vger.kernel.org, kthota@nvidia.com,
        mmaddireddy@nvidia.com, sagar.tv@gmail.com
Subject: Re: [PATCH V2] arm64: tegra: Enable SMMU support for PCIe on Tegra194
Message-ID: <YO6TI8G4av/YdWRx@orome.fritz.box>
References: <20210713044414.25536-1-vidyas@nvidia.com>
 <20210713113546.20286-1-vidyas@nvidia.com>
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On Tue, Jul 13, 2021 at 05:05:46PM +0530, Vidya Sagar wrote:
> As of commit c7289b1c8a4e ("arm64: tegra: Enable SMMU support on
> Tegra194"), SMMU support is enabled system-wide on Tegra194. However,
> there was a bit of overlap between the SMMU enablement and the PCIe
> support addition, so the PCIe device tree nodes are missing the iommus
> and interconnects properties. This in turn leads to SMMU faults for
> these devices, since by default the ARM SMMU will fault.
>=20
> Add the iommus and interconnects properties to all the PCIe device
> tree nodes to restore their functionality.
>=20
> Fixes: c7289b1c8a4e ("arm64: tegra: Enable SMMU support on Tegra194")
>=20
> Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
> Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
> ---
> V2:
> * Changed interconnect-names from "dma-mem", "dma-mem" -> "dma-mem", "wri=
te"
> * Added Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
>=20
>  arch/arm64/boot/dts/nvidia/tegra194.dtsi | 60 +++++++++++++++++++++---
>  1 file changed, 54 insertions(+), 6 deletions(-)

Applied, thanks.

Thierry

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