diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 3596958427cd40a876b7ab650284cba0dbf96339..ffdb956391f614786ba2580fede7a7ce529b0897 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -1175,4 +1175,9 @@ struct ah_uuid {
 	char *string;
 };
 
+struct ah_table {
+	char *signature;
+	char *description;
+};
+
 #endif				/* __ACLOCAL_H__ */