iommu/exynos: Use first SYSMMU in controllers list for IOMMU core
On Exynos platforms there can be more than one SYSMMU (IOMMU) for one DMA master device. Since the IOMMU core code expects only one hardware IOMMU, use the first SYSMMU in the list. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Tested-by: NMarek Szyprowski <m.szyprowski@samsung.com> Acked-by: NMarek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20200429133712.31431-31-joro@8bytes.orgSigned-off-by: NJoerg Roedel <jroedel@suse.de>
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