1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 7a3625f52a03..efc971d9647b 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/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);
 }