On Wed, Oct 16, 2019 at 10:27 AM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote: > > Quoting Amit Kucheria (2019-10-15 16:13:16) > > Currently, in order to enable interrupt-only mode, one must set > > polling-delay-passive and polling-delay properties in the DT to 0, > > otherwise the thermal framework will continue to setup a periodic timers > > to monitor the thermal zones. > > > > Change the behaviour, so that on DT-based systems, we no longer have to > > set the properties to zero if we find an 'interrupt' property in the > > sensor. > > > > Following data shows the number of times > > thermal_zone_device_set_polling() is invoked with and without this > > patch. So the patch achieves the same behaviour as setting the delay > > properties to 0. > > > > Current behaviour (without setting delay properties to 0): > > FUNC COUNT > > thermal_zone_device_update 302 > > thermal_zone_device_set_pollin 7911 > > thermal_zone_device_set_polling? Yes, the script I was using restricted the width of the fn name while printing. > > > > > Current behaviour (with delay properties set to 0): > > FUNC COUNT > > thermal_zone_device_update 3 > > thermal_zone_device_set_pollin 6 > > > > With this patch (without setting delay properties to 0): > > FUNC COUNT > > thermal_zone_device_update 3 > > thermal_zone_device_set_pollin 6 > > > > Suggested-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > > Signed-off-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx> > > --- > > Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> >
