linux-kernel - RE: [PATCH v4 12/12] mfd: bd9571mwv: Add support for BD9574MWF

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Message-ID: <TY2PR01MB36920B85DFCE969BF8AF229CD8DF0@TY2PR01MB3692.jpnprd01.prod.outlook.com>
Date:   Tue, 22 Dec 2020 09:23:24 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
CC:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Khiem Nguyen <khiem.nguyen.xt@...esas.com>,
        linux-power <linux-power@...rohmeurope.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v4 12/12] mfd: bd9571mwv: Add support for BD9574MWF

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@...esas.com> 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