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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Mon, 25 Jul 2022 11:09:26 +0200
Message-ID: <CAHp75Vd53faWJ8oD2WGQEMAVc-NfoceUUjpOJwy7piaraH8CNA@mail.gmail.com>
Subject: Re: [PATCH v6 07/13] mfd: mt6370: Add MediaTek MT6370 support
To:     ChiaEn Wu <peterwu.pub@gmail.com>
Cc:     Lee Jones <lee.jones@linaro.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>, Pavel Machek <pavel@ucw.cz>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Sebastian Reichel <sre@kernel.org>,
        Chunfeng Yun <chunfeng.yun@mediatek.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jonathan Cameron <jic23@kernel.org>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Guenter Roeck <linux@roeck-us.net>,
        "Krogerus, Heikki" <heikki.krogerus@linux.intel.com>,
        Helge Deller <deller@gmx.de>,
        ChiaEn Wu <chiaen_wu@richtek.com>,
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On Mon, Jul 25, 2022 at 11:06 AM ChiaEn Wu <peterwu.pub@gmail.com> wrote:
> On Mon, Jul 25, 2022 at 4:43 PM Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:

...

> > > > > +#define MT6370_REG_DEV_INFO    0x100
> > > > > +#define MT6370_REG_CHG_IRQ1    0x1C0
> > > > > +#define MT6370_REG_CHG_MASK1   0x1E0
> > > > > +
> > > > > +#define MT6370_VENID_MASK      GENMASK(7, 4)
> > > > > +
> > > > > +#define MT6370_NUM_IRQREGS     16
> > > > > +#define MT6370_USBC_I2CADDR    0x4E
> > > >
> > > > > +#define MT6370_REG_ADDRLEN     2
> > > > > +#define MT6370_REG_MAXADDR     0x1FF
> > > >
> > > > These two more logically to have near to other _REG_* definitions above.

...

> > You lost me. Namespace has a meaning, i.e. grouping items of a kind.
> > In your proposal I don't see that. If REG_MAXADDR and REG_ADDRLEN are
> > _not_ of the _REG_ kind as per above, why do they have this namespace
> > in the first place?

> oh... Sorry, I just got the wrong meaning
> maybe it should be revised like this, right??

I don't know. I am not an author of the code, I do not have access
(and don't want to) to the hardware datasheets, all up to you. From
the style perspective below looks good.

> -------------------------------------------------------------------
> #define MT6370_REG_DEV_INFO    0x100
> #define MT6370_REG_CHG_IRQ1    0x1C0
> #define MT6370_REG_CHG_MASK1   0x1E0
> #define MT6370_REG_MAXADDR     0x1FF // Move it to here
>
> #define MT6370_VENID_MASK      GENMASK(7, 4)
>
> #define MT6370_NUM_IRQREGS     16
> #define MT6370_USBC_I2CADDR    0x4E
>
> #define MT6370_MAX_ADDRLEN     2    // Rename


-- 
With Best Regards,
Andy Shevchenko