The RX path in the interrupt handler released a lock unnecessarily.

Signed-off-by: Soren Brinkmann <soren.brinkm...@xilinx.com>
Reviewed-by: Peter Hurley <pe...@hurleysoftware.com>
---
 drivers/tty/serial/xilinx_uartps.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/serial/xilinx_uartps.c 
b/drivers/tty/serial/xilinx_uartps.c
index 6ffd3bbe3e18..ab3995d00973 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -265,9 +265,7 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id)
                        uart_insert_char(port, isrstatus, CDNS_UART_IXR_OVERRUN,
                                        data, status);
                }
-               spin_unlock(&port->lock);
                tty_flip_buffer_push(&port->state->port);
-               spin_lock(&port->lock);
        }
 
        /* Dispatch an appropriate handler */
-- 
2.6.3.3.g9bb996a

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