When SERIAL_ATMEL_CONSOLE is disabled, ATMEL_CONSOLE_DEVICE is set to
NULL, and trying to access ATMEL_CONSOLE_DEVICE->flags in
atmel_serial_probe makes the compile fail.  This fixes the issue by only
accessing it if CONFIG_SERIAL_ATMEL_CONSOLE is defined
Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        if (ret)
                goto err_add_port;
 
+#ifdef CONFIG_SERIAL_ATMEL_CONSOLE
        if (atmel_is_console_port(&port->uart)
                        && ATMEL_CONSOLE_DEVICE->flags & CON_ENABLED) {
                /*
                 */
                clk_disable(port->clk);
        }
+#endif
 
        device_init_wakeup(&pdev->dev, 1);
        platform_set_drvdata(pdev, port);