diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index dcfc05d40e366037bdf7e7574926882467be0ebc..d55ff5d56f8424cc64729bf4abcad31a4e055829 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -626,6 +626,10 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
 		     ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER | ACPI_RTYPE_STRING,
 		     10, 0),
 
+	{{"_LSI", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},
+	PACKAGE_INFO(ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0, 0, 0),
+
 	{{"_MAT", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},