linux-kernel - Re: [PATCH v1 1/3] drivers: mfd: Add support for TPS65224

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Message-Id: <20231107114044.1046407-1-sirisha.gairuboina@Ltts.com>
Date:   Tue,  7 Nov 2023 17:10:44 +0530
From:   Gairuboina Sirisha <sirisha.gairuboina@...s.com>
To:     gregkh@...uxfoundation.org
Cc:     arnd@...db.de, lee@...nel.org, linux-kernel@...r.kernel.org,
        sirisha.gairuboina@...s.com
Subject: Re: [PATCH v1 1/3] drivers: mfd: Add support for TPS65224

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

> On Thu, Oct 26, 2023 at 07:02:24PM +0530, Gairuboina Sirisha wrote:
> > From: Gairuboina Sirisha <sirisha.gairuboina@...s.com>
> >
> > Added support for tps65224 driver pmic core, header, Makefile and Kconfig
>
> What is a "tps65224"?  Please provide some more information so we know
> how to review this.
>
> >
> > Signed-off-by: Gairuboina Sirisha <sirisha.gairuboina@...s.com>
> > ---
> >  drivers/mfd/Kconfig          |   5 +
> >  drivers/mfd/Makefile         |   1 +
> >  drivers/mfd/tps65224-core.c  | 291 ++++++++++++++
> >  include/linux/mfd/tps65224.h | 735 +++++++++++++++++++++++++++++++++++
> >  4 files changed, 1032 insertions(+)
> >  create mode 100644 drivers/mfd/tps65224-core.c
> >  create mode 100644 include/linux/mfd/tps65224.h
> >
> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index 90ce58fd629e..2e4906484eed 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -1767,6 +1767,11 @@ config MFD_TPS6594_SPI
> >
> >  	  This driver can also be built as a module.  If so, the module
> >  	  will be called tps6594-spi.
> > +config MFD_TPS65224
>
> You need a blank line before this, right?
>
> > +        tristate
> > +        select MFD_CORE
> > +        select REGMAP
> > +        select REGMAP_IRQ
>
> No help text at all to describe what this is?
>
> > --- /dev/null
> > +++ b/drivers/mfd/tps65224-core.c
> > @@ -0,0 +1,291 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Core functions for TI TPS65224 PMIC
> > + *
> > + * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
>
> No changes have happened since 2015 to this code?
>
> > +EXPORT_SYMBOL_GPL(tps65224_device_init);
> > +
> > +MODULE_AUTHOR("Gairuboina Sirisha <sirisha.gairuboina@...s.com>");
>
> That dosn't match the copyright line :(
>

Thanks for pointing it out. We will update the cover letter to describe about tps65224.
Also, style and copyright will be corrected in the next patch version V2.

> > --- /dev/null
> > +++ b/include/linux/mfd/tps65224.h
>
> Why do you need a .h file at all?  This is just used in one .c file,
> right?

This is a common header file for tps65224 PMIC which will be used for other drivers
like GPIO, Regulators, PFSM, ESM, SPI and I2C.

Thanks & Regards,
Sirisha G.