Re: [PATCH v10 3/5] iommu/arm-smmu: add NVIDIA implementation for ARM MMU-500 usage

From: Nicolin Chen
Date: Wed Jul 08 2020 - 16:37:05 EST


On Tue, Jul 07, 2020 at 10:00:15PM -0700, Krishna Reddy wrote:
> NVIDIA's Tegra194 SoC has three ARM MMU-500 instances.
> It uses two of the ARM MMU-500s together to interleave IOVA
> accesses across them and must be programmed identically.
> This implementation supports programming the two ARM MMU-500s
> that must be programmed identically.
>
> The third ARM MMU-500 instance is supported by standard
> arm-smmu.c driver itself.
>
> Signed-off-by: Krishna Reddy <vdumpa@xxxxxxxxxx>

Reviewed-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>