linux-kernel - Re: [PATCH v3 2/2] hwmon: (pmbus/tda38640) Add driver for Infineon TDA38640 Voltage Regulator

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Message-ID: <94176a1b-f9ad-b096-fc39-5e333f4eb09f@linaro.org>
Date:   Tue, 24 Jan 2023 16:09:45 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Naresh Solanki <naresh.solanki@...ements.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>
Cc:     linux-hwmon@...r.kernel.org,
        Patrick Rudolph <patrick.rudolph@...ements.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] hwmon: (pmbus/tda38640) Add driver for Infineon
 TDA38640 Voltage Regulator

On 24/01/2023 15:48, Naresh Solanki wrote:
> From: Patrick Rudolph <patrick.rudolph@...ements.com>
> 
> Add the pmbus driver for the Infineon TDA38640 voltage regulator.
> 
> Signed-off-by: Patrick Rudolph <patrick.rudolph@...ements.com>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@...ements.com>
> ---

(...)

> +
> +#include <linux/err.h>
> +#include <linux/i2c.h>
> +#include <linux/init.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/regulator/driver.h>
> +#include "pmbus.h"
> +
> +static const struct regulator_desc __maybe_unused tda38640_reg_desc[] = {
> +	PMBUS_REGULATOR("vout", 0),
> +};
> +
> +static struct pmbus_driver_info tda38640_info = {
> +	.pages = 1,
> +	.format[PSC_VOLTAGE_IN] = linear,
> +	.format[PSC_VOLTAGE_OUT] = linear,
> +	.format[PSC_CURRENT_OUT] = linear,
> +	.format[PSC_CURRENT_IN] = linear,
> +	.format[PSC_POWER] = linear,
> +	.format[PSC_TEMPERATURE] = linear,
> +
> +	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
> +	    | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP
> +	    | PMBUS_HAVE_IIN
> +	    | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
> +	    | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
> +	    | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN,
> +#if IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR)
> +	.num_regulators = 1,
> +	.reg_desc = tda38640_reg_desc,
> +#endif
> +};
> +
> +static int tda38640_probe(struct i2c_client *client)
> +{
> +	return pmbus_do_probe(client, &tda38640_info);
> +}
> +
> +static const struct i2c_device_id tda38640_id[] = {
> +	{"tda38640", 0},
> +	{}
> +};
> +MODULE_DEVICE_TABLE(i2c, tda38640_id);
> +
> +static const struct of_device_id __maybe_unused tda38640_of_match[] = {
> +	{ .compatible = "infineon,tda38640"},
> +	{ },
> +};
> +MODULE_DEVICE_TABLE(of, tda38640_of_match);

No improvements here. Do not send new version without solving the
feedback (or finishing the discussion). Its usage is still missing in
your i2c_driver.

Best regards,
Krzysztof