Hi Eduardo,
> On Mon, Dec 22, 2014 at 05:27:42PM +0100, Lukasz Majewski wrote:
> > Odroid U3 fan can work without being registered as OF cooling device
> > (with CONFIG_THERMAL_OF disabled).
> > In this situation it can be controlled via PWM entry at
> > /sys/class/hwmon/hwmon0/pwm1.
> >
> > Therefore, the thermal_cdev_update() function needs a stub
> > to allow clean compilation.
>
> I am not sure I understand what you are attempting to do here. What is
> the relation that you see between CONFIG_OF_THERMAL and
> thermal_cdev_update?
It should be CONFIG_THERMAL, not CONFIG_OF_THERMAL.
The thermal_cdev_update() is necessary since pwm-fan code can be
run without THERMAL subsystem (and such configuration is perfectly
valid).
>
> >
> > Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
> > ---
> > Changes for v2:
> > - New patch
> > ---
> > include/linux/thermal.h | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> > index 871123c..b3515b5 100644
> > --- a/include/linux/thermal.h
> > +++ b/include/linux/thermal.h
> > @@ -332,6 +332,7 @@ struct thermal_cooling_device *
> > thermal_of_cooling_device_register(struct device_node *np,
> > char *type, void *devdata,
> > const struct
> > thermal_cooling_device_ops *); +void thermal_cdev_update(struct
> > thermal_cooling_device *); #else
> > static inline struct thermal_zone_device *
> > thermal_zone_of_sensor_register(struct device *dev, int id, void
> > *data, @@ -353,6 +354,10 @@
> > thermal_of_cooling_device_register(struct device_node *np, {
> > return NULL;
> > }
> > +
> > +static inline void thermal_cdev_update(struct
> > thermal_cooling_device *cdev) +{
> > +}
> > #endif
> > struct thermal_zone_device *thermal_zone_device_register(const
> > char *, int, int, void *, struct thermal_zone_device_ops *,
> > @@ -375,7 +380,6 @@ int thermal_zone_get_temp(struct
> > thermal_zone_device *tz, unsigned long *temp); int
> > get_tz_trend(struct thermal_zone_device *, int); struct
> > thermal_instance *get_thermal_instance(struct thermal_zone_device
> > *, struct thermal_cooling_device *, int); -void
> > thermal_cdev_update(struct thermal_cooling_device *); void
> > thermal_notify_framework(struct thermal_zone_device *, int);
> > #ifdef CONFIG_NET
> > --
> > 2.0.0.rc2
> >
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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