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    Subject[PATCH 18/18] thermal: exynos: remove trip reporting to user-space
    Date
    Remove trip reporting to user-space - I'm not aware of any user-space
    program which relies on it and there is a thermal user-space governor
    which does it in proper way nowadays.

    Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
    ---
    drivers/thermal/samsung/exynos_tmu.c | 30 ++----------------------------
    1 file changed, 2 insertions(+), 28 deletions(-)

    diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
    index ed02b40..f785e6a 100644
    --- a/drivers/thermal/samsung/exynos_tmu.c
    +++ b/drivers/thermal/samsung/exynos_tmu.c
    @@ -216,33 +216,6 @@ struct exynos_tmu_data {
    void (*tmu_clear_irqs)(struct exynos_tmu_data *data);
    };

    -static void exynos_report_trigger(struct exynos_tmu_data *p)
    -{
    - char data[10], *envp[] = { data, NULL };
    - struct thermal_zone_device *tz = p->tzd;
    - int temp;
    - unsigned int i;
    -
    - if (!tz) {
    - pr_err("No thermal zone device defined\n");
    - return;
    - }
    -
    - thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
    -
    - mutex_lock(&tz->lock);
    - /* Find the level for which trip happened */
    - for (i = 0; i < of_thermal_get_ntrips(tz); i++) {
    - tz->ops->get_trip_temp(tz, i, &temp);
    - if (tz->last_temperature < temp)
    - break;
    - }
    -
    - snprintf(data, sizeof(data), "%u", i);
    - kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, envp);
    - mutex_unlock(&tz->lock);
    -}
    -
    /*
    * TMU treats temperature as a mapped temperature code.
    * The temperature is converted differently depending on the calibration type.
    @@ -814,7 +787,8 @@ static void exynos_tmu_work(struct work_struct *work)
    if (!IS_ERR(data->clk_sec))
    clk_disable(data->clk_sec);

    - exynos_report_trigger(data);
    + thermal_zone_device_update(data->tzd, THERMAL_EVENT_UNSPECIFIED);
    +
    mutex_lock(&data->lock);
    clk_enable(data->clk);

    --
    1.9.1
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