Re: [PATCH 5/5] iommu/sun50i: Ensure the IOMMU can be used for DMA
From: Jernej Škrabec
Date: Thu Apr 28 2022 - 01:35:37 EST
Dne četrtek, 28. april 2022 ob 03:04:00 CEST je Samuel Holland napisal(a):
> So far, the driver has relied on arch/arm64/Kconfig to select IOMMU_DMA.
> Unsurprisingly, this does not work on RISC-V, so the driver must select
> IOMMU_DMA itself.
>
> Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
Best regards,
Jernej
> ---
>
> drivers/iommu/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> index c79a0df090c0..70a0bfa6d907 100644
> --- a/drivers/iommu/Kconfig
> +++ b/drivers/iommu/Kconfig
> @@ -223,6 +223,7 @@ config SUN50I_IOMMU
> depends on ARCH_SUNXI || COMPILE_TEST
> select ARM_DMA_USE_IOMMU
> select IOMMU_API
> + select IOMMU_DMA
> help
> Support for the IOMMU introduced in the Allwinner H6 SoCs.