bdb70c424df1 ("serial: 8250: Create serial_lsr_in()")
cb5a40e3143b ("serial: 8250: Export ICR access helpers for internal use")
b54f7a922d33 ("serial: 8250: Handle UART without interrupt on TEMT")
41a70b7f4734 ("serial: 8250: Deduplicate rs485 active_timer assignment")