1 files changed, 2 insertions, 1 deletions

diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index d9442d346b9b..1747d94084d8 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -89,6 +89,7 @@
 #define AOPOBJ_OBJECT_INITIALIZED   0x08
 #define AOPOBJ_SETUP_COMPLETE       0x10
 #define AOPOBJ_SINGLE_DATUM         0x20
+#define AOPOBJ_INVALID              0x40        /* Used if host OS won't allow an op_region address */
 
 /******************************************************************************
  *
@@ -248,7 +249,7 @@ struct acpi_object_bank_field {
 struct acpi_object_index_field {
         ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO
             /*
-             * No "region_obj" pointer needed since the Index and Data registers
+             * No "RegionObj" pointer needed since the Index and Data registers
              * are each field definitions unto themselves.
              */
         union acpi_operand_object *index_obj;   /* Index register */