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

From: Krzysztof Kozlowski
Date: Tue Jan 24 2023 - 10:10:05 EST


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

(...)

> +
> +#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