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/linux/drivers/acpi/
H A Dthermal.c54 * 1.An invalid trip point becomes invalid or a valid trip point becomes invalid
62 "ACPI thermal trip point %s changed\n" \
68 MODULE_PARM_DESC(act, "Disable or override all lowest active trip points.");
72 MODULE_PARM_DESC(crt, "Disable or lower all critical trip points.");
84 MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
94 struct acpi_thermal_trip trip; member
101 struct acpi_thermal_trip trip; member
194 active = container_of(acpi_trip, struct acpi_thermal_active, trip); in active_trip_index()
229 const struct thermal_trip *trip) in acpi_thermal_update_trip() argument
231 struct acpi_thermal_trip *acpi_trip = trip->priv; in acpi_thermal_update_trip()
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H A Dthermal_lib.c6 * Library routines for retrieving trip point temperature values from the
90 * thermal_acpi_active_trip_temp - Retrieve active trip point temperature
96 * the temperature of the active cooling trip point corresponding to the active
111 * thermal_acpi_passive_trip_temp - Retrieve passive trip point temperature
116 * the temperature of the passive cooling trip point.
130 * thermal_acpi_hot_trip_temp - Retrieve hot trip point temperature
135 * the temperature of the trip point at which the system is expected to be put
150 * thermal_acpi_critical_trip_temp - Retrieve critical trip point temperature
155 * the temperature of the critical cooling trip point.
/linux/drivers/thermal/
H A DKconfig12 Each thermal zone contains its own temperature, trip points,
26 trip point crossed, cooling device update or governor
49 with trip points in order to exercise the thermal core
61 poweroff kicks in. Similarly to the critical trip point,
121 The Userspace governor allows to get trip point crossed
139 devices one step at the time, taking into account the trip
237 user can manually input temperature and test the different trip
264 CPUs when the passive trip is crossed.
274 It supports one critical trip point and one passive trip point. The
276 passive trip is crossed.
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H A Dthermal_of.c25 * into the device tree binding of 'trip', property type.
37 * @type: Pointer to resulting trip type
39 * The function gets trip type string from property 'type',
64 struct thermal_trip *trip) in thermal_of_populate_trip() argument
74 trip->temperature = prop; in thermal_of_populate_trip()
81 trip->hysteresis = prop; in thermal_of_populate_trip()
83 ret = thermal_of_get_trip_type(np, &trip->type); in thermal_of_populate_trip()
85 pr_err("wrong trip type property\n"); in thermal_of_populate_trip()
89 trip->flags = THERMAL_TRIP_FLAG_RW_TEMP; in thermal_of_populate_trip()
91 trip->priv = np; in thermal_of_populate_trip()
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H A Dthermal_sysfs.c91 &td->trip; \
98 struct thermal_trip *trip = thermal_trip_of_attr(attr, type); in trip_point_type_show() local
100 return sprintf(buf, "%s\n", thermal_trip_type_name(trip->type)); in trip_point_type_show()
107 struct thermal_trip *trip = thermal_trip_of_attr(attr, temp); in trip_point_temp_store() local
116 if (temp == trip->temperature) in trip_point_temp_store()
121 temp <= trip->hysteresis + THERMAL_TEMP_INVALID) in trip_point_temp_store()
127 ret = tz->ops.set_trip_temp(tz, trip, temp); in trip_point_temp_store()
132 thermal_zone_set_trip_temp(tz, trip, temp); in trip_point_temp_store()
143 struct thermal_trip *trip = thermal_trip_of_attr(attr, temp); in trip_point_temp_show() local
145 return sprintf(buf, "%d\n", READ_ONCE(trip->temperature)); in trip_point_temp_show()
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H A Dthermal_helpers.c25 int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip) in get_tz_trend() argument
30 tz->ops.get_trend(tz, trip, &trend)) { in get_tz_trend()
44 const struct thermal_trip *trip) in thermal_instance_present() argument
46 const struct thermal_trip_desc *td = trip_to_trip_desc(trip); in thermal_instance_present()
58 const struct thermal_trip *trip, in thermal_trip_is_bound_to_cdev() argument
64 return thermal_instance_present(tz, cdev, trip); in thermal_trip_is_bound_to_cdev()
94 const struct thermal_trip *trip = &td->trip; in __thermal_zone_get_temp() local
96 if (trip->type == THERMAL_TRIP_CRITICAL) { in __thermal_zone_get_temp()
97 crit_temp = trip->temperature; in __thermal_zone_get_temp()
H A Dgov_power_allocator.c75 * @trip_switch_on: first passive trip point of the thermal zone. The
76 * governor switches on when this trip point is crossed.
77 * If the thermal zone only has one passive trip point,
79 * @trip_max: last passive trip point of the thermal zone. The
143 * @trip_switch_on: trip point for the switch on temperature
164 * passive trip points at the same temperature, that person in estimate_pid_constants()
486 * get_governor_trips() - get the two trip points that are key for this governor
491 * a "switch on" trip point and a "maximum desired temperature". These
492 * are defined as the first and last passive trip points.
494 * If there is only one trip point, then that's considered to be the
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H A Dthermal_trip.c35 ret = cb(&td->trip, data); in for_each_thermal_trip()
63 /* No need to change trip points */ in thermal_zone_set_trips()
83 const struct thermal_trip *trip) in thermal_zone_trip_id() argument
86 * Assume the trip to be located within the bounds of the thermal in thermal_zone_trip_id()
89 return trip_to_trip_desc(trip) - tz->trips; in thermal_zone_trip_id()
H A Dthermal_debugfs.h12 const struct thermal_trip *trip);
14 const struct thermal_trip *trip);
26 const struct thermal_trip *trip) {}; in thermal_debug_tz_trip_up() argument
28 const struct thermal_trip *trip) {} in thermal_debug_tz_trip_down() argument
/linux/arch/arm/boot/dts/samsung/
H A Dexynos5422-odroidxu3-common.dtsi94 trip = <&cpu0_alert0>;
98 trip = <&cpu0_alert1>;
102 trip = <&cpu0_alert2>;
111 trip = <&cpu0_alert3>;
127 trip = <&cpu0_alert4>;
177 trip = <&cpu1_alert0>;
181 trip = <&cpu1_alert1>;
185 trip = <&cpu1_alert2>;
189 trip = <&cpu1_alert3>;
200 trip = <&cpu1_alert4>;
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H A Dexynos5422-odroidhc1.dts60 trip = <&cpu0_alert0>;
76 trip = <&cpu0_alert1>;
109 trip = <&cpu1_alert0>;
120 trip = <&cpu1_alert1>;
153 trip = <&cpu2_alert0>;
164 trip = <&cpu2_alert1>;
197 trip = <&cpu3_alert0>;
208 trip = <&cpu3_alert1>;
241 trip = <&gpu_alert0>;
245 trip = <&gpu_alert1>;
/linux/drivers/thermal/qcom/
H A Dqcom-spmi-temp-alarm.c66 /* Over-temperature trip point values in mC */
358 const struct thermal_trip *trip, int temp) in qpnp_tm_set_trip_temp() argument
363 if (trip->type != THERMAL_TRIP_CRITICAL) in qpnp_tm_set_trip_temp()
378 static int qpnp_tm_gen2_rev2_set_temp_thresh(struct qpnp_tm_chip *chip, unsigned int trip, int temp) in qpnp_tm_gen2_rev2_set_temp_thresh() argument
385 if (trip >= STAGE_COUNT) { in qpnp_tm_gen2_rev2_set_temp_thresh()
386 dev_err(chip->dev, "invalid TEMP_DAC trip = %d\n", trip); in qpnp_tm_gen2_rev2_set_temp_thresh()
388 } else if (temp < TEMP_DAC_MIN || temp > temp_dac_max[trip]) { in qpnp_tm_gen2_rev2_set_temp_thresh()
396 ret = qpnp_tm_write(chip, QPNP_TM_REG_TEMP_DAC_STG1 + trip, reg); in qpnp_tm_gen2_rev2_set_temp_thresh()
402 chip->temp_thresh_map[trip] = temp_cfg; in qpnp_tm_gen2_rev2_set_temp_thresh()
408 const struct thermal_trip *trip, int temp) in qpnp_tm_gen2_rev2_set_trip_temp() argument
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/linux/arch/arm64/boot/dts/marvell/
H A Darmada-8040-clearfog-gt-8k.dts118 ap_active: trip-active {
126 trip = <&ap_active>;
130 trip = <&ap_crit>;
139 cp0_active0: trip-active0 {
144 cp0_active1: trip-active1 {
149 cp0_active2: trip-active2 {
154 cp0_active3: trip-active3 {
162 trip = <&cp0_active0>;
166 trip = <&cp0_active1>;
170 trip = <&cp0_active2>;
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/linux/Documentation/devicetree/bindings/thermal/
H A Ddb8500-thermal.txt9 - num-trips : number of total trip points, this is required, set it 0 if none,
11 - tripN-temp : temperature of trip point N, should be in ascending order;
12 - tripN-type : type of trip point N, should be one of "active" "passive" "hot"
14 - tripN-cdev-num : number of the cooling devices which can be bound to trip
15 point N, this is required if trip point N is defined, set it 0 if none,
17 - tripN-cdev-nameM : name of the No. M cooling device of trip point N;
/linux/Documentation/ABI/testing/
H A Dsysfs-class-thermal31 trip points so that user application can take full
51 The temperature above which trip point will be fired.
59 Strings which indicate the type of the trip point.
68 The hysteresis value for a trip point, represented as an
84 The trip point in this thermal zone which `cdev[0-*]` is
86 associated with any trip point.
142 temperature" trip point. For more information see
152 temperature" trip point. For more information see
159 Temperature offset from the desired temperature trip point
164 temperature trip point. For more information see
/linux/arch/arm64/boot/dts/exynos/
H A Dexynos5433-tmu.dtsi57 trip = <&atlas0_alert_0>;
63 trip = <&atlas0_alert_1>;
69 trip = <&atlas0_alert_2>;
75 trip = <&atlas0_alert_3>;
81 trip = <&atlas0_alert_4>;
87 trip = <&atlas0_alert_5>;
93 trip = <&atlas0_alert_6>;
231 trip = <&apollo_alert_2>;
237 trip = <&apollo_alert_3>;
243 trip = <&apollo_alert_4>;
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/linux/tools/thermal/tmon/
H A Dtmon.824 - show trip point binding within each thermal zone
25 - show trip point and cooling device instance bindings
28 - show temperature of all thermal zones w.r.t. its trip points and types
39 zones, and trip points. Can be used for data collection in remote
69 \fBP \fP passive cooling trip point type
70 \fBA \fP active cooling trip point type (fan)
71 \fBC \fP critical trip point type
72 \fBA \fP hot trip point type
H A Dsysfs.c121 /* scan and fill in trip point info for a thermal zone and trip point id */
130 /* check trip point type */ in get_trip_point_data()
165 /* Find trip point info of a thermal zone */
174 /* check if trip point temp is non-zero in find_tzone_tp()
175 * ignore 0/invalid trip points in find_tzone_tp()
180 /* found a valid trip point */ in find_tzone_tp()
182 syslog(LOG_DEBUG, "tzone %s trip %d temp %lu tpnode %s", in find_tzone_tp()
228 /* find the trip point in which the cdev is binded to in find_tzone_cdev()
235 /* validate trip point range, e.g. trip could return -1 in find_tzone_cdev()
241 syslog(LOG_DEBUG, "cdev %s -> trip:%lu: 0x%lx %d\n", in find_tzone_cdev()
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/linux/drivers/thermal/testing/
H A Dcommand.c29 * The thermal zone template can be populated with trip points with the help of
34 * which causes a trip point template to be added to the test thermal zone
40 * The temperature of a trip point template is initially THERMAL_TEMP_INVALID
42 * "trip_x_temp" and "trip_x_hyst" files correspoinding to that trip point
57 * thermal zone and the set of trip point templates associated with it is used
58 * for populating the new thermal zone's trip points table. The type of the new
61 * The temperature and hysteresis of all of the trip points in that new thermal
71 * core, including checking its trip points, sending notifications to user space
/linux/Documentation/driver-api/thermal/
H A Dx86_pkg_temperature_thermal.rst23 zone with maximum two user mode configurable trip points. Number of trip points
24 depends on the capability of the package. Once the trip point is violated,
37 This contains two trip points:
46 Any value other than 0 in these trip points, can trigger thermal notifications.
H A Dpower_allocator.rst5 Trip points
8 The governor works optimally with the following two passive trip points:
10 1. "switch on" trip point: temperature above which the governor
11 control loop starts operating. This is the first passive trip
14 2. "desired temperature" trip point: it should be higher than the
15 "switch on" trip point. This the target temperature the governor
16 is controlling for. This is the last passive trip point of the
107 above "desired temperature" trip point). Conversely, `k_pu` is the
109 (current temperature below "desired temperature" trip point).
/linux/include/uapi/linux/
H A Dthermal.h74 THERMAL_GENL_EVENT_TZ_TRIP_UP, /* Trip point crossed the way up */
75 THERMAL_GENL_EVENT_TZ_TRIP_DOWN, /* Trip point crossed the way down */
76 THERMAL_GENL_EVENT_TZ_TRIP_CHANGE, /* Trip point changed */
77 THERMAL_GENL_EVENT_TZ_TRIP_ADD, /* Trip point added */
78 THERMAL_GENL_EVENT_TZ_TRIP_DELETE, /* Trip point deleted */
/linux/rust/kernel/sync/atomic/
H A Dpredefine.rs8 // SAFETY: `i32` has the same size and alignment with itself, and is round-trip transmutable to
21 // SAFETY: `i64` has the same size and alignment with itself, and is round-trip transmutable to
50 // SAFETY: `isize` has the same size and alignment with `isize_atomic_repr`, and is round-trip
63 // SAFETY: `u32` and `i32` has the same size and alignment, and `u32` is round-trip transmutable to
76 // SAFETY: `u64` and `i64` has the same size and alignment, and `u64` is round-trip transmutable to
89 // SAFETY: `usize` has the same size and alignment with `isize_atomic_repr`, and is round-trip
/linux/arch/arm64/boot/dts/mediatek/
H A Dmt8192.dtsi1963 cpu0_alert: trip-alert {
1969 cpu0_crit: trip-crit {
1978 trip = <&cpu0_alert>;
1993 cpu1_alert: trip-alert {
1999 cpu1_crit: trip-crit {
2008 trip = <&cpu1_alert>;
2023 cpu2_alert: trip-alert {
2029 cpu2_crit: trip-crit {
2038 trip = <&cpu2_alert>;
2053 cpu3_alert: trip-alert {
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/linux/drivers/thermal/intel/
H A Dintel_soc_dts_iosf.c133 const struct thermal_trip *trip, in sys_set_trip_temp() argument
138 unsigned int trip_index = THERMAL_TRIP_PRIV_TO_INT(trip->priv); in sys_set_trip_temp()
221 /* Check if the writable trip we provide is not used by BIOS */ in add_dts_thermal_zone()
297 static void set_trip(struct thermal_trip *trip, enum thermal_trip_type type, in set_trip() argument
300 trip->type = type; in set_trip()
301 trip->flags = flags; in set_trip()
302 trip->temperature = temp; in set_trip()
303 trip->priv = THERMAL_INT_TO_TRIP_PRIV(index); in set_trip()

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