[PATCH 29/31] thermal: core: add a comment describing the main update loop
From: Eduardo Valentin <edubezval@gmail.com>
Date: 2016-05-04 06:04:17
Also in:
lkml
Subsystem:
the rest, thermal · Maintainers:
Linus Torvalds, Rafael J. Wysocki, Daniel Lezcano
Simply marking the main update loop section and adding a comment describing it. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> --- drivers/thermal/thermal_core.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 0317aea..d552183 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c@@ -286,6 +286,17 @@ static void thermal_unregister_governors(void) thermal_gov_power_allocator_unregister(); } +/* + * Zone update section: main control loop applied to each zone while monitoring + * + * in polling mode. The monitoring is done using a workqueue. + * Same update may be done on a zone by calling thermal_zone_device_update(). + * + * An update means: + * - Non-critical trips will invoke the governor responsible for that zone; + * - Hot trips will produce a notification to userspace; + * - Critical trip point will cause a system shutdown. + */ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz, int delay) {
--
2.1.4