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iommu/vt-d: Probe DMA-capable ACPI name space devices
Some platforms may support ACPI name-space enumerated devices that are capable of generating DMA requests. Platforms which support DMA remapping explicitly declares any such DMA-capable ACPI name-space devices in the platform through ACPI Name-space Device Declaration (ANDD) structure and enumerate them through the Device Scope of the appropriate remapping hardware unit. Signed-off-by: Lu Baolu <[email protected]> Signed-off-by: Joerg Roedel <[email protected]>
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