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Emil Velikov authored
This allows clear and easy communication between the two. Caller: Requesting information (struct vN) Callee: I know how to deal with older version (vN-1) only. Here is your data and the version I support. Caller: Older version ? Sure I'll cap all access to the fields provided by the older version (vN-1) Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Tested-by: Tom Stellard <thomas.stellard@amd.com>
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