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    Subject[RFC 07/10] ARM: tegra: tegra124: Enable IOMMU for SDMMC controllers
    Date
    From: Thierry Reding <treding@nvidia.com>

    The SDMMC controllers can use the IOMMU to avoid the need for bounce
    buffers.

    Signed-off-by: Thierry Reding <treding@nvidia.com>
    ---
    arch/arm/boot/dts/tegra124.dtsi | 4 ++++
    1 file changed, 4 insertions(+)

    diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
    index 82751d2878c4..bfffb4c102fb 100644
    --- a/arch/arm/boot/dts/tegra124.dtsi
    +++ b/arch/arm/boot/dts/tegra124.dtsi
    @@ -607,6 +607,7 @@
    resets = <&tegra_car 14>;
    reset-names = "sdhci";
    status = "disabled";
    + iommus = <&mc TEGRA_SWGROUP_SDMMC1A>;
    };

    sdhci@0,700b0200 {
    @@ -618,6 +619,7 @@
    resets = <&tegra_car 9>;
    reset-names = "sdhci";
    status = "disabled";
    + iommus = <&mc TEGRA_SWGROUP_SDMMC2A>;
    };

    sdhci@0,700b0400 {
    @@ -629,6 +631,7 @@
    resets = <&tegra_car 69>;
    reset-names = "sdhci";
    status = "disabled";
    + iommus = <&mc TEGRA_SWGROUP_SDMMC3A>;
    };

    sdhci@0,700b0600 {
    @@ -640,6 +643,7 @@
    resets = <&tegra_car 15>;
    reset-names = "sdhci";
    status = "disabled";
    + iommus = <&mc TEGRA_SWGROUP_SDMMC4A>;
    };

    ahub@0,70300000 {
    --
    2.0.0


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