Index of /sys/devices/virtual/tty/tty21/subsystem/ttyS1/device/serial8250:0/serial8250:0.2/driver/serial8250:0.1/power/

../
autosuspend_delay_ms                               13-Aug-2026 14:04                4096
control                                            13-Aug-2026 14:02                4096
runtime_active_time                                13-Aug-2026 14:02                4096
runtime_status                                     13-Aug-2026 14:04                4096
runtime_suspended_time                             13-Aug-2026 14:03                4096