config->enabled_at_boot = true;
config->gpio = of_get_named_gpio(np, "gpio", 0);
- /*
- * of_get_named_gpio() currently returns ENODEV rather than
- * EPROBE_DEFER. This code attempts to be compatible with both
- * for now; the ENODEV check can be removed once the API is fixed.
- * of_get_named_gpio() doesn't differentiate between a missing
- * property (which would be fine here, since the GPIO is optional)
- * and some other error. Patches have been posted for both issues.
- * Once they are check in, we should replace this with:
- * if (config->gpio < 0 && config->gpio != -ENOENT)
- */
- if ((config->gpio == -ENODEV) || (config->gpio == -EPROBE_DEFER))
- return ERR_PTR(-EPROBE_DEFER);
+ if ((config->gpio < 0) && (config->gpio != -ENOENT))
+ return ERR_PTR(config->gpio);
of_property_read_u32(np, "startup-delay-us", &config->startup_delay);