Re: [PATCH] iommu/dma: Tidy up Kconfig selects

[Joerg Roedel]

On Mon, Sep 13, 2021 at 01:41:19PM +0100, Robin Murphy wrote:
> Now that the dust has settled on converting all the x86 drivers to
> iommu-dma, we can punt the Kconfig selection to arch code where it
> was always intended to be.

Can we select IOMMU_DMA under IOMMU_SUPPORT instead? The only drivers
not using IOMMU_DMA are the arm32 ones, afaics.

If we could get rid of the arm32 exception, the IOMMU_DMA symbol could
also go away entirely and we handle it under IOMMU_SUPPORT instead. But
that is something for the future :)

Regards,

	Joerg