v4.19.13 snapshot.
diff --git a/include/acpi/acpi.h b/include/acpi/acpi.h
new file mode 100644
index 0000000..ccdc598
--- /dev/null
+++ b/include/acpi/acpi.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
+/******************************************************************************
+ *
+ * Name: acpi.h - Master public include file used to interface to ACPICA
+ *
+ * Copyright (C) 2000 - 2018, Intel Corp.
+ *
+ *****************************************************************************/
+
+#ifndef __ACPI_H__
+#define __ACPI_H__
+
+/*
+ * Public include files for use by code that will interface to ACPICA.
+ *
+ * Information includes the ACPICA data types, names, exceptions, and
+ * external interface prototypes. Also included are the definitions for
+ * all ACPI tables (FADT, MADT, etc.)
+ *
+ * Note: The order of these include files is important.
+ */
+#include <acpi/platform/acenv.h> /* Environment-specific items */
+#include <acpi/acnames.h> /* Common ACPI names and strings */
+#include <acpi/actypes.h> /* ACPICA data types and structures */
+#include <acpi/acexcep.h> /* ACPICA exceptions */
+#include <acpi/actbl.h> /* ACPI table definitions */
+#include <acpi/acrestyp.h> /* Resource Descriptor structs */
+#include <acpi/platform/acenvex.h> /* Extra environment-specific items */
+#include <acpi/acoutput.h> /* Error output and Debug macros */
+#include <acpi/acpiosxf.h> /* OSL interfaces (ACPICA-to-OS) */
+#include <acpi/acpixf.h> /* ACPI core subsystem external interfaces */
+
+#endif /* __ACPI_H__ */