[PATCH 18/18] thermal: exynos: remove trip reporting to user-space

Bartlomiej Zolnierkiewicz
2018-04-26T11:51:33Z

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