diff --git a/[refs] b/[refs]
index e25001cee551..cab9c3b472c7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 80791be11145f7dd7f68c84741fc66e5164b7353
+refs/heads/master: fbe543b412cef02350fab35526a6d4dc3d20d182
diff --git a/trunk/drivers/serial/mpc52xx_uart.c b/trunk/drivers/serial/mpc52xx_uart.c
index 7a3625f52a03..efc971d9647b 100644
--- a/trunk/drivers/serial/mpc52xx_uart.c
+++ b/trunk/drivers/serial/mpc52xx_uart.c
@@ -783,7 +783,9 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port)
 		}
 	}
 
+	spin_unlock(&port->lock);
 	tty_flip_buffer_push(tty);
+	spin_lock(&port->lock);
 
 	return psc_ops->raw_rx_rdy(port);
 }