* kernel test robot <lkp@xxxxxxxxx> [230309 21:31]: > >> drivers/tty/serial/serial_ctrl.c:17:34: warning: 'serial_ctrl_pm' defined but not used [-Wunused-const-variable=] > 17 | static DEFINE_RUNTIME_DEV_PM_OPS(serial_ctrl_pm, NULL, NULL, NULL); > | ^~~~~~~~~~~~~~ Thanks I'll tag it with __maybe_unused. Regards, Tony