iommu/ipmmu-vmsa: Use fwspec iommu_priv on ARM64
Convert from archdata to iommu_priv via iommu_fwspec on ARM64 but let 32-bit ARM keep on using archdata for now. Once the 32-bit ARM code and the IPMMU driver is able to move over to CONFIG_IOMMU_DMA=y then coverting to fwspec via ->of_xlate() will be easy. For now fwspec ids and num_ids are not used to allow code sharing between 32-bit and 64-bit ARM code inside the driver. Signed-off-by: NMagnus Damm <damm+renesas@opensource.se> Signed-off-by: NJoerg Roedel <jroedel@suse.de>
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