On Wed, 2013-09-18 at 16:52 -0400, Eduardo Valentin wrote:
> On 18-09-2013 16:44, Joe Perches wrote:
> > On Wed, 2013-09-18 at 16:31 -0400, Eduardo Valentin wrote:
> >
> >> +/**
> >> + * of_parse_thermal_zones - parse device tree thermal data
> >> + *
> >> + * Initialization function that can be called by machine initialization
> >> + * code to parse thermal data and populate the thermal framework
> >> + * with hardware thermal zones info. This function only parses thermal
> >> zones.
> >> + * Cooling devices and sensor devices nodes are supposed to be parsed
> >> + * by their respective drivers.
> >> + *
> >> + * Return: 0 on success, proper error code otherwise
> >> + *
> >> + */
> >> +int __init of_parse_thermal_zones(void)
> >> +{
> >> + struct device_node *np, *child;
> >> + struct __thermal_zone *tz;
> >> + struct thermal_zone_device_ops *ops;
> >> +
> >> + np = of_find_node_by_name(NULL, "thermal-zones");
> >> + if (!np) {
> >> + pr_err("unable to find thermal zones\n");
> >> + return 0;
> >
> > return 0? This is success?
>
> This case is success because there should be systems without thermal DT
> entries.
Then the pr_err should be pr_notice/info or not there at all.
[]
> >> + /* No hwmon because there might be hwmon drivers registering */
> >> + tzp->no_hwmon = true;
> >> +
> >> + zone = thermal_zone_device_register(child->name, tz->ntrips,
> >> + 0, tz,
> >> + ops, tzp,
> >> + tz->passive_delay,
> >> + tz->polling_delay);
> >> + if (IS_ERR(zone))
> >> + pr_err("Failed to build %s zone %ld\n", child->name,
> >> + PTR_ERR(zone));
Should there should be a return -ERR here?
> hmmm.. I am sending after reworking the return code of this function.
thanks.
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