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ACPI/IORT: Check ATS capability in root complex nodes
Root complex node in IORT has a bit telling whether it supports ATS or not. Store this bit in the IOMMU fwspec when setting up a device, so it can be accessed later by an IOMMU driver. In the future we'll probably want to store this bit at the host bridge or SMMU rather than in each endpoint. Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
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Jean-Philippe Brucker
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Will Deacon
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Apr 23, 2019
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