Re: [PATCH v2 1/4] thermal: of: Extend of-thermal.c to provide number of trip points

Lukasz Majewski
2014-11-26T08:28:42Z

Hi Eduardo,

>
> Lukasz,
>
> On Thu, Nov 20, 2014 at 05:21:25PM +0100, Lukasz Majewski wrote:
> > This patch extends the of-thermal.c to provide information about
> > number of available trip points.
> >
> > Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
> > ---
> > Changes for v2:
> > - Provide detailed (doxygen like) description of the
> > of_thermal_get_ntrips() method
> > - Check for data pointer not being NULL
> > ---
> > drivers/thermal/of-thermal.c | 20 ++++++++++++++++++++
> > drivers/thermal/thermal_core.h | 5 +++++
> > 2 files changed, 25 insertions(+)
> >
> > diff --git a/drivers/thermal/of-thermal.c
> > b/drivers/thermal/of-thermal.c index b7982f0..7170822 100644
> > --- a/drivers/thermal/of-thermal.c
> > +++ b/drivers/thermal/of-thermal.c
> > @@ -112,6 +112,26 @@ static int of_thermal_get_temp(struct
> > thermal_zone_device *tz, return
> > data->ops->get_temp(data->sensor_data, temp); }
> >
> > +/**
> > + * of_thermal_get_ntrips - function to export number of available
> > trip
> > + * points.
> > + * @tz: pointer to a thermal zone
> > + *
> > + * This function is a globally visible wrapper to get number of
> > trip points
> > + * stored in the local struct __thermal_zone
> > + *
> > + * Return: number of available trip points, -ENODEV when data not
> > available
> > + */
> > +int of_thermal_get_ntrips(struct thermal_zone_device *tz)
> > +{
> > + struct __thermal_zone *data = tz->devdata;
> > +
> > + if (!data || IS_ERR(data))
> > + return -ENODEV;
> > +
> > + return data->ntrips;
> > +}
> > +
>
> Missing
> EXPORT_SYMBOL_GPL(of_thermal_get_ntrips);

OK

>
> > static int of_thermal_get_trend(struct thermal_zone_device *tz,
> > int trip, enum thermal_trend *trend)
> > {
> > diff --git a/drivers/thermal/thermal_core.h
> > b/drivers/thermal/thermal_core.h index d15d243..c3c7b82 100644
> > --- a/drivers/thermal/thermal_core.h
> > +++ b/drivers/thermal/thermal_core.h
> > @@ -89,9 +89,14 @@ static inline void
> > thermal_gov_user_space_unregister(void) {} #ifdef CONFIG_THERMAL_OF
> > int of_parse_thermal_zones(void);
> > void of_thermal_destroy_zones(void);
> > +int of_thermal_get_ntrips(struct thermal_zone_device *);
> > #else
> > static inline int of_parse_thermal_zones(void) { return 0; }
> > static inline void of_thermal_destroy_zones(void) { }
> > +static inline int of_thermal_get_ntrips(struct thermal_zone_device
> > *)
>
> You need to declare the parameter name with a name
> ---------------^ .
>
> > +{
>
> This produces a compilation error if CONFIG_THERMAL_OF is not set:
> In file included from drivers/thermal/step_wise.c:28:0:
> drivers/thermal/thermal_core.h: In function ‘of_thermal_get_ntrips’:
> drivers/thermal/thermal_core.h:96:48: error: parameter name omitted
> static inline int of_thermal_get_ntrips(struct thermal_zone_device *)
>

Good point. Thanks for check.

>
>
> > + return 0;
> > +}
> > #endif
> >
> > #endif /* __THERMAL_CORE_H__ */
> > --
> > 2.0.0.rc2
> >

--
Best regards,

Lukasz Majewski

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