[PATCH v6 5/5] regulator: add SCMI driver

[Mark Brown]

On Thu, Nov 19, 2020 at 07:10:51PM +0000, Cristian Marussi wrote:

> +	ret = handle->voltage_ops->config_get(handle, sreg->id,
> +					      &config);
> +	if (ret) {
> +		dev_err(&sreg->sdev->dev,
> +			"Error %d reading regulator %s status.\n",
> +			ret, sreg->desc.name);
> +		return 0;
> +	}

If we failed to read the status we should return an error rather than
claim the regulator is off, other functions return errors so I'm not
sure why this one would be different.

> +	vinfo = handle->voltage_ops->info_get(handle, sreg->id);
> +	if (!vinfo) {
> +		dev_warn(dev, "Skipping invalid voltage domain %d\n",
> +			 sreg->id);
> +		return -ENODEV;

I'm not sure that this error message is the most informative - the issue
is that we failed to read information, we don't know if that information
would have been valid or not.  Same for some of the other enumeration,
it's a failure to read not a lack of validity isn't it?

> +	/* Allocate pointers' array for all possible domains */

No '

> +	rinfo->num_doms = num_doms;
> +	/*

Several places like this with missing blank lines.
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