Hi Geert-san, Thank you for your review! > From: Geert Uytterhoeven, Sent: Tuesday, December 22, 2020 5:53 PM > On Mon, Dec 21, 2020 at 3:56 AM Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: <snip> > > --- a/drivers/mfd/bd9571mwv.c > > +++ b/drivers/mfd/bd9571mwv.c > > > @@ -200,12 +277,14 @@ static int bd9571mwv_probe(struct i2c_client *client, > > > > static const struct of_device_id bd9571mwv_of_match_table[] = { > > { .compatible = "rohm,bd9571mwv", }, > > + { .compatible = "rohm,bd9574mwf", }, > > { /* sentinel */ } > > }; > > MODULE_DEVICE_TABLE(of, bd9571mwv_of_match_table); > > > > static const struct i2c_device_id bd9571mwv_id_table[] = { > > - { "bd9571mwv", 0 }, > > + { "bd9571mwv", ROHM_CHIP_TYPE_BD9571 }, > > + { "bd9574mwf", ROHM_CHIP_TYPE_BD9574 }, > > Why add the chip types? These are unused, and the driver uses > autodetection of the chip variant anyway. I just added the chip types in the future use. As you said, these are unused and we should not add a future use in general. So, I'll remove this change. Also, I think I should remove the following patch. [PATCH v4 08/12] gpio: bd9571mwv: Add BD9574MWF support Best regards, Yoshihiro Shimoda