OMAP: serial: Remove incorrect disabling of IER interrupt

The recent patch to add RS485 contained a bug whereby the IER
interrupt was cleared down incorrectly.

This patch fixes the problem.

Signed-off-by: Mark Jackson <mpfj@newflow.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 2706c1187393..2fa7b5ce2e0c 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1327,9 +1327,6 @@ serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf)
         pm_runtime_get_sync(up->dev);
         spin_lock_irqsave(&up->port.lock, flags);
 
-        up->ier &= ~(UART_IER_RLSI | UART_IER_RDI);
-        serial_out(up, UART_IER, up->ier);
-
         /* Disable interrupts from this port */
         mode = up->ier;
         up->ier = 0;