linux-kernel - Re: [PATCH v1 2/3] drivers: mfd: Add support for TPS65224 i2c driver

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Message-Id: <20231107115040.1072810-1-sirisha.gairuboina@Ltts.com>
Date:   Tue,  7 Nov 2023 17:20:40 +0530
From:   Gairuboina Sirisha <sirisha.gairuboina@...s.com>
To:     krzk@...nel.org
Cc:     arnd@...db.de, gregkh@...uxfoundation.org, lee@...nel.org,
        linux-kernel@...r.kernel.org, sirisha.gairuboina@...s.com,
        Gairuboina Sirisha <sirisha.gairuboina@...s.com>
Subject: Re: [PATCH v1 2/3] drivers: mfd: Add support for TPS65224 i2c driver

From: Gairuboina Sirisha <sirisha.gairuboina@...s.com>

> On 26/10/2023 15:32, Gairuboina Sirisha wrote:
> > From: Gairuboina Sirisha <sirisha.gairuboina@...s.com>
> >
> > Added MFD driver that enables I2C communication with and without CRC
> >
> > Signed-off-by: Gairuboina Sirisha <sirisha.gairuboina@...s.com>
> > ---
> >  drivers/mfd/Kconfig        |  14 +++
> >  drivers/mfd/Makefile       |   1 +
> >  drivers/mfd/tps65224-i2c.c | 245 +++++++++++++++++++++++++++++++++++++
> >  3 files changed, 260 insertions(+)
> >  create mode 100644 drivers/mfd/tps65224-i2c.c
> >
> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index 2e4906484eed..943d85d49fc5 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -1767,12 +1767,26 @@ config MFD_TPS6594_SPI
> >
> >  	  This driver can also be built as a module.  If so, the module
> >  	  will be called tps6594-spi.
> > +
>
> This does not belong to this patch.
>
> >  config MFD_TPS65224
> >          tristate
> >          select MFD_CORE
> >          select REGMAP
> >          select REGMAP_IRQ
>
> ...
>
> }
> > +
> > +static const struct regmap_config tps65224_i2c_regmap_config = {
> > +	.reg_bits = 16,
> > +	.val_bits = 8,
> > +	.max_register = TPS65224_REG_WD_FAIL_CNT_REG,
> > +	.volatile_reg = tps65224_is_volatile_reg,
> > +	.read = tps65224_i2c_read,
> > +	.write = tps65224_i2c_write,
> > +};
> > +
> > +static const struct of_device_id tps65224_i2c_of_match_table[] = {
> > +	{ .compatible = "ti,tps65224-q1", },
>
> Where is it documented? It seems nowhere, even though tools asked you to
> do this. :(
>
> Please run scripts/checkpatch.pl and fix reported warnings. Some
> warnings can be ignored, but the code here looks like it needs a fix.
> Feel free to get in touch if the warning is not clear.

Sure. We will submit the required documentation in the next version of patch.

Thanks & Regards,
Sirisha G.