diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 764e992438b2042419fe89e55ca92f567b28dc05..c5edd56ff83019f6d608a360d39af87396e272f2 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -184,9 +184,7 @@ static void handle_rx(struct uart_port *port)
 			tty_insert_flip_char(tport, c, flag);
 	}
 
-	spin_unlock(&port->lock);
 	tty_flip_buffer_push(tport);
-	spin_lock(&port->lock);
 }
 
 static void handle_tx(struct uart_port *port)