DT based systems have a generic kernel API to configure IOMMUs
for devices (ie of_iommu_configure()).
On ARM based ACPI systems, the of_iommu_configure() equivalent can
be implemented atop ACPI IORT kernel API, with the corresponding
functions to map device identifiers to IOMMUs and retrieve the
DT based systems have a generic kernel API to configure IOMMUs
for devices (ie of_iommu_configure()).
On ARM based ACPI systems, the of_iommu_configure() equivalent can
be implemented atop ACPI IORT kernel API, with the corresponding
functions to map device identifiers to IOMMUs and retrieve the
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