acpi_scan_add_dep
count += acpi_scan_add_dep(handle, &dep_devices);
count += acpi_scan_add_dep(handle, &dep_devices);
count += acpi_scan_add_dep(handle, &dep_devices);
count += acpi_scan_add_dep(handle, &dep_devices);
int acpi_scan_add_dep(acpi_handle handle, struct acpi_handle_list *dep_devices);