iommu/arm-smmu: ioremap smmu mmio region before implementation init
ioremap smmu mmio region before calling into implementation init. This is necessary to allow mapped address available during vendor specific implementation init. Signed-off-by: NKrishna Reddy <vdumpa@nvidia.com> Reviewed-by: NJon Hunter <jonathanh@nvidia.com> Reviewed-by: NNicolin Chen <nicoleotsuka@gmail.com> Reviewed-by: NPritesh Raithatha <praithatha@nvidia.com> Reviewed-by: NRobin Murphy <robin.murphy@arm.com> Reviewed-by: NThierry Reding <thierry.reding@gmail.com> Link: https://lore.kernel.org/r/20200718193457.30046-3-vdumpa@nvidia.comSigned-off-by: NWill Deacon <will@kernel.org>
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