linux-kernel - Re: [PATCH 2/2] drivers: rtc: max31335: initial commit

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Message-ID: <08db17bd-3e09-4608-8cb1-189aa286318e@linaro.org>
Date:   Mon, 30 Oct 2023 18:28:28 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Antoniu Miclaus <antoniu.miclaus@...log.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>, linux-rtc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org
Subject: Re: [PATCH 2/2] drivers: rtc: max31335: initial commit

On 30/10/2023 12:50, Antoniu Miclaus wrote:
> RTC driver for MAX31335 ±2ppm Automotive Real-Time Clock with
> Integrated MEMS Resonator.
> 
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
> ---

Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching.

There is no "drivers" prefix.

>  drivers/rtc/Kconfig        |  11 +
>  drivers/rtc/Makefile       |   1 +
>  drivers/rtc/rtc-max31335.c | 759 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 771 insertions(+)
>  create mode 100644 drivers/rtc/rtc-max31335.c
> 
> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
> index d7502433c78a..11c7d7fe1e85 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -373,6 +373,17 @@ config RTC_DRV_MAX8997
>  	  This driver can also be built as a module. If so, the module
>  	  will be called rtc-max8997.
>  
> +config RTC_DRV_MAX31335
> +	tristate "Analog Devices MAX31335"
> +	depends on I2C
> +	select REGMAP_I2C
> +	help
> +	  If you say yes here you get support for the Analog Devices
> +	  MAX31335.
> +
> +	  This driver can also be built as a module. If so, the module
> +	  will be called rtc-max31335.
> +

...


> +
> +static int max31335_probe(struct i2c_client *client)
> +{
> +	struct max31335_data *max31335;
> +	struct device *hwmon;
> +	int ret, status;
> +
> +	max31335 = devm_kzalloc(&client->dev, sizeof(struct max31335_data),

sizeof(*)

> +				GFP_KERNEL);
> +	if (!max31335)
> +		return -ENOMEM;
> +

Best regards,
Krzysztof