Re: Re: [PATCH v4 1/2] dt-bindings: hwmon: Add Eswin EIC7700 PVT sensor

["Huan He" <hehuan1@eswincomputing.com>]

Hi Guenter,

Thank you very much for your detailed review. We appreciate the feedback.

> 
> On 5/12/26 02:16, Huan He wrote:
> > Hi Krzysztof,
> > 
> > Thank you very much for your detailed review. We appreciate the feedback.
> > 
> >> On Thu, Apr 30, 2026 at 02:44:44PM +0800, hehuan1@eswincomputing.com wrote:
> >>> +
> >>> +  label:
> >>> +    enum:
> >>> +      - pvt0
> >>> +      - pvt1
> >>
> >> No, label is user-visible name. Can be whatever user decides.
> >>
> >> Please read writing bindings - instance IDs are not allowed.
> > 
> > Thanks for the clarification.
> > I am planning to update the next revision as follows. Would this be
> > acceptable?
> > 
> > YAML:
> > -  label:
> > -    enum:
> > -      - pvt0
> > -      - pvt1
> > +  label: true
> > 
> > required:
> >    - compatible
> >    - reg
> >    - clocks
> >    - interrupts
> > - - label
> > 
> > Driver:
> >   static int eic7700_pvt_create_hwmon(struct pvt_hwmon *pvt)
> >   {
> > -   struct device *dev = pvt->dev;
> > -   struct device_node *np = dev->of_node;
> > -   const char *node_label;
> > -   int type;
> > -   const char *names[2] = {"soc_pvt", "ddr_pvt"};
> > -
> > -   if (of_property_read_string(np, "label", &node_label)) {
> > -       dev_err(dev, "Missing 'label' property in DTS node\n");
> > -       return -EINVAL;
> > -   }
> > -
> > -   if (strcmp(node_label, "pvt0") == 0) {
> > -       type = 0;
> > -   } else if (strcmp(node_label, "pvt1") == 0) {
> > -       type = 1;
> > -   } else {
> > -       dev_err(pvt->dev, "Unsupported label: %s\n", node_label);
> > -       return -EINVAL;
> > -   }
> > +   const char *name = "pvt";
> > +
> > +   of_property_read_string(pvt->dev->of_node, "label", &name);
> >   
> > -   pvt->hwmon = devm_hwmon_device_register_with_info(pvt->dev, names[type],
> > +   pvt->hwmon = devm_hwmon_device_register_with_info(pvt->dev, name,
> >                                pvt, &pvt_hwmon_info,
> >                                NULL);
> > 
> 
> This would try to register a free-text name for the hwmon device,
> which would be unacceptable.
> 
> There are lots of multi-channel devices out there. None of them
> have those problems. Why do you insist in free-text names instead of
> using, say, "reg" to distinguish the channels ?

Thanks for the clarification.

In the next revision, I will register the hwmon device with the fixed name
"pvt".

Best regards,
Huan He