diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index b0a467717206..2cc5c68c8689 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2431,8 +2431,11 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
 		if (console_suspend_enabled)
 			uart_change_pm(state, UART_PM_STATE_ON);
 		uport->ops->set_termios(uport, &termios, NULL);
-		if (!console_suspend_enabled && uport->ops->start_rx)
+		if (!console_suspend_enabled && uport->ops->start_rx) {
+			spin_lock_irq(&uport->lock);
 			uport->ops->start_rx(uport);
+			spin_unlock_irq(&uport->lock);
+		}
 		if (console_suspend_enabled)
 			console_start(uport->cons);
 	}