Re: [PATCH v9 3/5] mfd: hi6421-spmi-pmic: move driver from staging

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

On Fri, Jun 25, 2021 at 07:06:12PM +0200, Mauro Carvalho Chehab wrote:
> +static int hi6421_spmi_pmic_probe(struct spmi_device *pdev)
> +{
> +	struct device *dev = &pdev->dev;
> +	int ret;
> +	struct hi6421_spmi_pmic *ddata;
> +	ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);

No blank line.  Checkpatch.

> +	if (!ddata)
> +		return -ENOMEM;
> +
> +	ddata->regmap = devm_regmap_init_spmi_ext(pdev, &regmap_config);
> +	if (IS_ERR(ddata->regmap))
> +		return PTR_ERR(ddata->regmap);
> +
> +	mutex_init(&ddata->enable_mutex);
> +
> +	dev_set_drvdata(&pdev->dev, ddata);
> +
> +	ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
> +				   hi6421v600_devs, ARRAY_SIZE(hi6421v600_devs),
> +				   NULL, 0, NULL);
> +	if (ret < 0)
> +		dev_err(dev, "Failed to add child devices: %d\n", ret);
> +
> +	return ret;
> +}

regards,
dan carpenter