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Subject[PATCH 6/6] thermal: disable polling if passive_delay and polling_delay are both unset
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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>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Zhang Rui <rui.zhang@intel.com>

diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index ceda0f1..a59685b 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -1012,6 +1012,8 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
thermal_zone_device_set_polling(tz, tz->passive_delay);
else if (tz->polling_delay)
thermal_zone_device_set_polling(tz, tz->polling_delay);
+ else
+ thermal_zone_device_set_polling(tz, 0);
mutex_unlock(&tz->lock);
}
EXPORT_SYMBOL(thermal_zone_device_update);

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