ACPICA: Add namespace node to operand object union

Add ACPI_NAMESPACE_NODE to the ACPI_OPERAND_OBJECT in order to
simplify code that accepts both of these objects. A common type
field is used to differentiate them.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index e9657dac69b7..0ca39265bb0f 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -379,6 +379,13 @@ union acpi_operand_object {
         struct acpi_object_extra extra;
         struct acpi_object_data data;
         struct acpi_object_cache_list cache;
+
+        /*
+         * Add namespace node to union in order to simplify code that accepts both
+         * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share
+         * a common descriptor_type field in order to differentiate them.
+         */
+        struct acpi_namespace_node node;
 };
 
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