Re: [PATCH 2/8] iio: imu: inv_icm45600: add I2C driver for inv_icm45600 driver
From: Andy Shevchenko
Date: Fri Apr 11 2025 - 15:22:31 EST
On Fri, Apr 11, 2025 at 4:28 PM Remi Buisson via B4 Relay
<devnull+remi.buisson.tdk.com@xxxxxxxxxx> wrote:
>
> From: Remi Buisson <remi.buisson@xxxxxxx>
>
> Add I2C driver for InvenSense ICM-456xxx devices.
...
> +/*
> + * Copyright (C) 2025 InvenSense, Inc.
> + */
One line (instead of 3), please! This will slightly help with these
rather longer files.
...
> +#include <linux/device.h>
> +#include <linux/i2c.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/mod_devicetable.h>
> +#include <linux/property.h>
> +#include <linux/regmap.h>
Here and in the rest of the files the list of the header inclusions is
(semi-)random. You shouldn't use kernel.h and other "proxy" headers in
the code, please follow IWYU principle.
...
> + return -ENOTSUPP;
This is wrong. Please check what other drivers return in such cases.
...
> + regmap = devm_regmap_init_i2c(client, &inv_icm45600_regmap_config);
> + if (IS_ERR(regmap))
> + return PTR_ERR(regmap);
err.h is missing.
...
> +/*
> + * device id table is used to identify what device can be
> + * supported by this driver
Please, respect English grammar and punctuation in all multi-line comments.
> + */
...
> + .data = (void *)INV_CHIP_ICM45688P,
Just no. Please, use real pointers.
...
I'm not going to review anything else, the above already deserves a new version.
--
With Best Regards,
Andy Shevchenko