linux-kernel - Re: [PATCH v6 5/5] mfd: max77541: Add ADI MAX77541/MAX77540 PMIC Support

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Date:   Wed, 29 Mar 2023 15:36:15 +0100
From:   Lee Jones <lee@...nel.org>
To:     "Sahin, Okan" <Okan.Sahin@...log.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Cosmin Tanislav <demonsingur@...il.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        "Bolboaca, Ramona" <Ramona.Bolboaca@...log.com>,
        ChiYuan Huang <cy_huang@...htek.com>,
        "Tilki, Ibrahim" <Ibrahim.Tilki@...log.com>,
        William Breathitt Gray <william.gray@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        ChiaEn Wu <chiaen_wu@...htek.com>,
        Haibo Chen <haibo.chen@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
Subject: Re: [PATCH v6 5/5]  mfd: max77541: Add ADI MAX77541/MAX77540 PMIC
 Support

On Tue, 28 Mar 2023, Sahin, Okan wrote:

> >On Wed, 15 Mar 2023, Lee Jones wrote:
> >
> >> On Tue, 07 Mar 2023, Okan Sahin wrote:
> >>
> >> > MFD driver for MAX77541/MAX77540 to enable its sub devices.
> >> >
> >> > The MAX77541 is a multi-function devices. It includes buck converter
> >> > and ADC.
> >> >
> >> > The MAX77540 is a high-efficiency buck converter with two 3A
> >> > switching phases.
> >> >
> >> > They have same regmap except for ADC part of MAX77541.
> >> >
> >> > Signed-off-by: Okan Sahin <okan.sahin@...log.com>
> >> > ---
> >> >  drivers/mfd/Kconfig          |  13 ++
> >> >  drivers/mfd/Makefile         |   1 +
> >> >  drivers/mfd/max77541.c       | 224
> >+++++++++++++++++++++++++++++++++++
> >> >  include/linux/mfd/max77541.h |  97 +++++++++++++++
> >> >  4 files changed, 335 insertions(+)
> >> >  create mode 100644 drivers/mfd/max77541.c  create mode 100644
> >> > include/linux/mfd/max77541.h
> >>
> >> FYI: I'm not re-reviewing this since you've chosen to ignore some of
> >> my previous review comments.  Issues highlighted by review comments
> >> don't just go away on resubmission.
> >
> >... and the subject is malformed.
> >
> >--
> >Lee Jones [李琼斯]
>
> Hi Lee,
>
> I am sorry if I missed your review comments, this was not my intention. I want to thank you for your contribution. Your feedbacks are very valuable, and I am trying to understand and fix each one before sending the patch. Indeed, I sorted your feedback on previous patches. As far as I know, I have fixed all of them, is there a problem with any of them that I fixed, or is there any missing review? From you, there were some comments like "why did you use this?", I suppose I need to respond them before sending following patches. I thought I should not bother the maintainers unnecessarily. I am sorry for them.

Please ask your email client to line-wrap.

Here is the part of the review you ignored:

[...]

> +static const struct chip_info chip[] = {

Why do you need this require sub-structure?

> +	[MAX77540] = {
> +		.id = MAX77540,
> +		.n_devs = ARRAY_SIZE(max77540_devs),
> +		.devs = max77540_devs,
> +	},
> +	[MAX77541] = {
> +		.id = MAX77541,
> +		.n_devs = ARRAY_SIZE(max77541_devs),
> +		.devs = max77541_devs,
> +	},
> +};

[...]

> +static const struct of_device_id max77541_of_id[] = {
> +	{
> +		.compatible = "adi,max77540",
> +		.data = &chip[MAX77540],
> +	},
> +	{
> +		.compatible = "adi,max77541",
> +		.data = &chip[MAX77541],
> +	},
> +	{ /* sentinel */  }
> +};
> +MODULE_DEVICE_TABLE(of, max77541_of_id);
> +
> +static const struct i2c_device_id max77541_i2c_id[] = {
> +	{ "max77540", (kernel_ulong_t)&chip[MAX77540] },
> +	{ "max77541", (kernel_ulong_t)&chip[MAX77541] },

Just 'MAX77540' is fine.

> +	{ /* sentinel */ }

Remove the comment, we know how terminators work.

Same comments for max77541_of_id.

--
Lee Jones [李琼斯]