On 19/08/2022 06:04, Duke Du wrote: Thank you for your patch. There is something to discuss/improve. > +static int tps546d24_probe(struct i2c_client *client) > +{ > + return pmbus_do_probe(client, &tps546d24_info); > +} > + > +static const struct i2c_device_id tps546d24_id[] = { > + {"tps546d24", 0}, > + {} > +}; > +MODULE_DEVICE_TABLE(i2c, tps546d24_id); > + > +static const struct of_device_id __maybe_unused tps546d24_of_match[] = { > + {.compatible = "tps546d24"}, Except missing vendor prefix, you need to document the compatible in bindings. > + {} > +}; > + Missing MODULE_DEVICE_TABLE > +MODULE_IMPORT_NS(PMBUS); Best regards, Krzysztof