if (IS_ERR(bd)) {
                oaktrail_bl_device = NULL;
-               pr_warning("Unable to register backlight device\n");
+               pr_warn("Unable to register backlight device\n");
                return PTR_ERR(bd);
        }
 
 
        ret = platform_driver_register(&oaktrail_driver);
        if (ret) {
-               pr_warning("Unable to register platform driver\n");
+               pr_warn("Unable to register platform driver\n");
                goto err_driver_reg;
        }
 
        oaktrail_device = platform_device_alloc(DRIVER_NAME, -1);
        if (!oaktrail_device) {
-               pr_warning("Unable to allocate platform device\n");
+               pr_warn("Unable to allocate platform device\n");
                ret = -ENOMEM;
                goto err_device_alloc;
        }
 
        ret = platform_device_add(oaktrail_device);
        if (ret) {
-               pr_warning("Unable to add platform device\n");
+               pr_warn("Unable to add platform device\n");
                goto err_device_add;
        }
 
 
        ret = oaktrail_rfkill_init();
        if (ret) {
-               pr_warning("Setup rfkill failed\n");
+               pr_warn("Setup rfkill failed\n");
                goto err_rfkill;
        }