1 files changed, 1 insertions, 0 deletions

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 67f4fce22209..3746d4ce4857 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -245,6 +245,7 @@ struct acpi_pnp_type {
 
 struct acpi_device_pnp {
         acpi_bus_id bus_id;             /* Object name */
+        int instance_no;                /* Instance number of this object */
         struct acpi_pnp_type type;      /* ID type */
         acpi_bus_address bus_address;   /* _ADR */
         char *unique_id;                /* _UID */