[PATCH 7/9] iommu/arm-smmu: Use Tegra implementation on Tegra186
Robin Murphy
robin.murphy at arm.com
Thu Mar 25 14:27:47 GMT 2021
On 2021-03-25 13:03, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
>
> Tegra186 requires the same SID override programming as Tegra194 in order
> to seamlessly transition from the firmware framebuffer to the Linux
> framebuffer, so the Tegra implementation needs to be used on Tegra186
> devices as well.
>
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
> drivers/iommu/arm/arm-smmu/arm-smmu-impl.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
> index 136872e77195..9f465e146799 100644
> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
> @@ -211,7 +211,8 @@ struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu)
> if (of_property_read_bool(np, "calxeda,smmu-secure-config-access"))
> smmu->impl = &calxeda_impl;
>
> - if (of_device_is_compatible(np, "nvidia,tegra194-smmu"))
> + if (of_device_is_compatible(np, "nvidia,tegra194-smmu") ||
> + of_device_is_compatible(np, "nvidia,tegra186-smmu"))
Binding update?
Robin.
> return nvidia_smmu_impl_init(smmu);
>
> smmu = qcom_smmu_impl_init(smmu);
>
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