> > diff --git a/drivers/thermal/thermal_core.h
> > b/drivers/thermal/thermal_core.h index 0531c75..6d9ffa5 100644
> > --- a/drivers/thermal/thermal_core.h
> > +++ b/drivers/thermal/thermal_core.h
> > @@ -41,6 +41,7 @@ struct thermal_instance {
> > struct thermal_zone_device *tz;
> > struct thermal_cooling_device *cdev;
> > int trip;
> > + bool initialized;
> > unsigned long upper; /* Highest cooling state for this trip point */
> > unsigned long lower; /* Lowest cooling state for this trip point */
> > unsigned long target; /* expected cooling state */
> > diff --git a/include/linux/thermal.h b/include/linux/thermal.h index
> > 5eac316..8650b0b 100644
> > --- a/include/linux/thermal.h
> > +++ b/include/linux/thermal.h
> > @@ -40,6 +40,9 @@
> > /* No upper/lower limit requirement */
> > #define THERMAL_NO_LIMIT ((u32)~0)
> >
> > +/* Invalid/uninitialized temperature */
> > +#define THERMAL_TEMP_INVALID -27400
> > +
>
> Did you mean -274000 (note the missing '0') which is < 0K? A comment would be
> helpful for anybody reading the code. Took me a while to parse it.
>
Oops, I missed this one.
Yes, I want to use -274000 which is < 0K to indicate an invalid/uninitialized temperature.
Updated in patch V4. Thanks for pointing it out.
-rui
> > /* Unit conversion macros */
> > #define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \
> > ((long)t-2732+5)/10 : ((long)t-2732-5)/10)
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