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thermal: disable polling if passive_delay and polling_delay are both unset
Otherwise polling will continue for the thermal zone even when it is no longer needed, for example because forced passive cooling was disabled. Signed-off-by: Frans Pop <elendil@planet.nl> Acked-by: Matthew Garrett <mjg@redhat.com> Acked-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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1 changed files with 2 additions and 0 deletions
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@ -1019,6 +1019,8 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
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thermal_zone_device_set_polling(tz, tz->passive_delay);
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thermal_zone_device_set_polling(tz, tz->passive_delay);
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else if (tz->polling_delay)
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else if (tz->polling_delay)
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thermal_zone_device_set_polling(tz, tz->polling_delay);
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thermal_zone_device_set_polling(tz, tz->polling_delay);
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else
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thermal_zone_device_set_polling(tz, 0);
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mutex_unlock(&tz->lock);
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mutex_unlock(&tz->lock);
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}
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}
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EXPORT_SYMBOL(thermal_zone_device_update);
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EXPORT_SYMBOL(thermal_zone_device_update);
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