Re: [PATCH v2 2/5] iio: pressure: bmp280: Add preinit callback

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On Mon, Dec 26, 2022 at 03:29:21PM +0100, Angel Iglesias wrote:
> Adds preinit callback to execute operations on probe before applying
> initial configuration.

...

> @@ -935,6 +936,7 @@ static const struct bmp280_chip_info bmp280_chip_info = {
>  	.read_temp = bmp280_read_temp,
>  	.read_press = bmp280_read_press,
>  	.read_calib = bmp280_read_calib,
> +	.preinit = NULL,
>  };
>  
>  static int bme280_chip_config(struct bmp280_data *data)
> @@ -979,6 +981,7 @@ static const struct bmp280_chip_info bme280_chip_info = {
>  	.read_press = bmp280_read_press,
>  	.read_humid = bmp280_read_humid,
>  	.read_calib = bme280_read_calib,
> +	.preinit = NULL,
>  };

Useless changes.

...

> @@ -1604,6 +1614,7 @@ static const struct bmp280_chip_info bmp180_chip_info = {
>  	.read_temp = bmp180_read_temp,
>  	.read_press = bmp180_read_press,
>  	.read_calib = bmp180_read_calib,
> +	.preinit = NULL,
>  };

Ditto.

...

> +	/*
> +	 * Some chips like the BMP3xx have preinit tasks to run
> +	 * before applying the initial configuration.
> +	 */
> +	if (data->chip_info->preinit) {
> +		ret = data->chip_info->preinit(data);

> +		dev_err(dev, "error running preinit tasks");

Huh?! I guess you wanted

>  		if (ret < 0)
>  			return ret;

	if (ret < 0)
		return dev_err_probe(...);

>  	}

-- 
With Best Regards,
Andy Shevchenko





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