serial: omap: free the wakeup settings in remove

Signed-off-by: Sanjay Singh Rawat <sanjay.rawat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index dd8b1a5..ecfafbb 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1789,6 +1789,7 @@
 	pm_runtime_disable(up->dev);
 	uart_remove_one_port(&serial_omap_reg, &up->port);
 	pm_qos_remove_request(&up->pm_qos_request);
+	device_init_wakeup(&dev->dev, false);
 
 	return 0;
 }