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    Subject[PATCHv4 37/48] thermal: core: add a comment describing the main update loop
    Date
    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 6dbb86f..063fb15 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
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