[PATCH 1/2] iommu/riscv: Map IMSIC addresses for paging domains

[Andrew Jones]

On Tue, May 12, 2026 at 10:21:22AM -0700, Tomasz Jeznach wrote:
...
> I would prefer to use the iommu_dma_prepare_msi() path, as Jason
> suggested, or implement complete IRQ remapping for RISC-V IOMMU.
>

I'll drop get_resv and bring in the irqdomain which uses
iommu_dma_prepare_msi() in alloc-irqs. It'll even be a better first
step for irqbypass since the irqdomain will finally also be present.

Thanks,
drew