ACPI: identify device tree root by null parent pointer, not ACPI_BUS_TYPE

[linux-2.6-microblaze.git] / include / acpi / acpi_bus.h

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 1cef139..bc7a695 100644 (file)
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -70,7 +70,6 @@ enum acpi_bus_device_type {
        ACPI_BUS_TYPE_POWER,
        ACPI_BUS_TYPE_PROCESSOR,
        ACPI_BUS_TYPE_THERMAL,
-       ACPI_BUS_TYPE_SYSTEM,
        ACPI_BUS_TYPE_POWER_BUTTON,
        ACPI_BUS_TYPE_SLEEP_BUTTON,
        ACPI_BUS_DEVICE_TYPE_COUNT
@@ -262,7 +261,8 @@ struct acpi_device_wakeup {
 /* Device */
 
 struct acpi_device {
-       acpi_handle handle;
+       int device_type;
+       acpi_handle handle;             /* no handle for fixed hardware */
        struct acpi_device *parent;
        struct list_head children;
        struct list_head node;