diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index bd0c47c58285..c4dac1be3ec1 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1238,6 +1238,9 @@ static void autoconfig_irq(struct uart_8250_port *up)
 		inb_p(ICP);
 	}
 
+	if (uart_console(port))
+		console_lock();
+
 	/* forget possible initially masked and pending IRQ */
 	probe_irq_off(probe_irq_on());
 	save_mcr = serial_in(up, UART_MCR);
@@ -1269,6 +1272,9 @@ static void autoconfig_irq(struct uart_8250_port *up)
 	if (port->flags & UPF_FOURPORT)
 		outb_p(save_ICP, ICP);
 
+	if (uart_console(port))
+		console_unlock();
+
 	port->irq = (irq > 0) ? irq : 0;
 }