From: Thara Gopinath <thara.gopinath@linaro.org>
To: daniel.lezcano@linaro.org, rui.zhang@intel.com, robh+dt@kernel.org
Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [RFC PATCH 3/4] thermal:core:Add genetlink notifications for monitoring falling temperature
Date: Fri, 10 Jul 2020 09:51:53 -0400 [thread overview]
Message-ID: <20200710135154.181454-4-thara.gopinath@linaro.org> (raw)
In-Reply-To: <20200710135154.181454-1-thara.gopinath@linaro.org>
Add notification calls for trip type THERMAL_TRIP_COLD when temperature
crosses the trip point in either direction.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
---
drivers/thermal/thermal_core.c | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 750a89f0c20a..e2302ca1cd3b 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -429,12 +429,21 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip)
tz->ops->get_trip_hyst(tz, trip, &hyst);
if (tz->last_temperature != THERMAL_TEMP_INVALID) {
- if (tz->last_temperature < trip_temp &&
- tz->temperature >= trip_temp)
- thermal_notify_tz_trip_up(tz->id, trip);
- if (tz->last_temperature >= trip_temp &&
- tz->temperature < (trip_temp - hyst))
- thermal_notify_tz_trip_down(tz->id, trip);
+ if (type == THERMAL_TRIP_COLD) {
+ if (tz->last_temperature > trip_temp &&
+ tz->temperature <= trip_temp)
+ thermal_notify_tz_trip_down(tz->id, trip);
+ if (tz->last_temperature <= trip_temp &&
+ tz->temperature > (trip_temp + hyst))
+ thermal_notify_tz_trip_up(tz->id, trip);
+ } else {
+ if (tz->last_temperature < trip_temp &&
+ tz->temperature >= trip_temp)
+ thermal_notify_tz_trip_up(tz->id, trip);
+ if (tz->last_temperature >= trip_temp &&
+ tz->temperature < (trip_temp - hyst))
+ thermal_notify_tz_trip_down(tz->id, trip);
+ }
}
if (type == THERMAL_TRIP_CRITICAL || type == THERMAL_TRIP_HOT)
--
2.25.1
next prev parent reply other threads:[~2020-07-10 13:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-10 13:51 [RFC PATCH 0/4] thermal: Introduce support for monitoring falling temperature Thara Gopinath
2020-07-10 13:51 ` [RFC PATCH 1/4] dt-bindings:thermal:Add cold trip point type Thara Gopinath
2020-07-13 15:05 ` Daniel Lezcano
2020-07-13 17:01 ` Thara Gopinath
2020-07-13 17:03 ` Daniel Lezcano
2020-07-10 13:51 ` [RFC PATCH 2/4] thermal: Add support for cold trip point Thara Gopinath
2020-07-10 13:51 ` Thara Gopinath [this message]
2020-07-15 8:46 ` [RFC PATCH 3/4] thermal:core:Add genetlink notifications for monitoring falling temperature Zhang Rui
2020-07-15 23:15 ` Thara Gopinath
2020-07-10 13:51 ` [RFC PATCH 4/4] thermal: Modify thermal governors to do nothing for "cold" trip points Thara Gopinath
2020-07-15 8:35 ` Zhang Rui
2020-07-15 23:13 ` Thara Gopinath
2020-07-13 15:03 ` [RFC PATCH 0/4] thermal: Introduce support for monitoring falling temperature Daniel Lezcano
2020-07-14 13:49 ` Zhang Rui
2020-07-14 21:39 ` Thara Gopinath
2020-07-15 8:27 ` Zhang Rui
2020-07-15 23:10 ` Thara Gopinath
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