ACPI/IORT: Update SMMUv3 DeviceID support

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IORT E.e now allows SMMUv3 nodes to describe the DeviceID for MSIs
independently of wired GSIVs, where the previous oddly-restrictive
definition meant that an SMMU without PRI support had to provide a
DeviceID even if it didn't support MSIs either. Support this, with
the usual temporary flag definition while the real one is making
its way through ACPICA.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/4b3e2ead4f392d1a47a7528da119d57918e5d806.1664392886.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>

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Robin Murphy 2022-09-28 20:21:26 +01:00 • committed by Will Deacon

parent 6251d38059

commit 05da178ce0

1 changed files with 12 additions and 4 deletions

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drivers/acpi/arm64/iort.c

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