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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ARM: dts: exynos: fix incomplete Odroid-XU3/4 thermal-zones definition
Odroid XU3/4 boards have thermal sensors per 4 pairs of A7+A15 cores but currently there is only one thermal-zone (including cooling maps) defined (for the first pair of cores - the first core of the A7 cluster and the first core of A15 cluster) so i.e. if the task is running on any of A15 cores but the first one, such core can reach high temperature without any proper cooling action. Fix it by adding missing thermal-zones definitions. Also while at it fix the number of steps in cpufreq cooling for cpu4 (11 steps for A15 corresponds to 700MHz, for 600MHz 12 steps should be used). Signed-off-by: Willy Wolff <willy.mh.wolff@gmail.com> [b.zolnierkie: rewrote patch subject & description + minor fixups] Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Willy Wolff
Krzysztof Kozlowski
parent
2bd6bf03f4
commit
e740731dae
@ -63,22 +63,22 @@ cpu0_thermal: cpu0-thermal {
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polling-delay-passive = <250>;
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polling-delay = <0>;
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trips {
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cpu_alert0: cpu-alert-0 {
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cpu0_alert0: cpu-alert-0 {
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temperature = <50000>; /* millicelsius */
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hysteresis = <5000>; /* millicelsius */
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type = "active";
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};
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cpu_alert1: cpu-alert-1 {
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cpu0_alert1: cpu-alert-1 {
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temperature = <60000>; /* millicelsius */
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hysteresis = <5000>; /* millicelsius */
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type = "active";
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};
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cpu_alert2: cpu-alert-2 {
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cpu0_alert2: cpu-alert-2 {
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temperature = <70000>; /* millicelsius */
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hysteresis = <5000>; /* millicelsius */
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type = "active";
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};
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cpu_crit0: cpu-crit-0 {
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cpu0_crit0: cpu-crit-0 {
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temperature = <120000>; /* millicelsius */
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hysteresis = <0>; /* millicelsius */
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type = "critical";
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@ -87,59 +87,258 @@ cpu_crit0: cpu-crit-0 {
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* Exynos542x supports only 4 trip-points
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* so for these polling mode is required.
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* Start polling at temperature level of last
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* interrupt-driven trip: cpu_alert2
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* interrupt-driven trip: cpu0_alert2
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*/
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cpu_alert3: cpu-alert-3 {
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cpu0_alert3: cpu-alert-3 {
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temperature = <70000>; /* millicelsius */
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hysteresis = <10000>; /* millicelsius */
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type = "passive";
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};
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cpu_alert4: cpu-alert-4 {
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cpu0_alert4: cpu-alert-4 {
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temperature = <85000>; /* millicelsius */
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hysteresis = <10000>; /* millicelsius */
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type = "passive";
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};
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};
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cooling-maps {
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map0 {
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trip = <&cpu_alert0>;
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trip = <&cpu0_alert0>;
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cooling-device = <&fan0 0 1>;
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};
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map1 {
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trip = <&cpu_alert1>;
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trip = <&cpu0_alert1>;
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cooling-device = <&fan0 1 2>;
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};
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map2 {
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trip = <&cpu_alert2>;
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trip = <&cpu0_alert2>;
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cooling-device = <&fan0 2 3>;
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};
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/*
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* When reaching cpu_alert3, reduce CPU
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* When reaching cpu0_alert3, reduce CPU
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* by 2 steps. On Exynos5422/5800 that would
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* be: 1600 MHz and 1100 MHz.
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*/
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map3 {
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trip = <&cpu_alert3>;
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trip = <&cpu0_alert3>;
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cooling-device = <&cpu0 0 2>;
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};
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map4 {
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trip = <&cpu_alert3>;
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trip = <&cpu0_alert3>;
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cooling-device = <&cpu4 0 2>;
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};
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/*
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* When reaching cpu_alert4, reduce CPU
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* further, down to 600 MHz (11 steps for big,
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* When reaching cpu0_alert4, reduce CPU
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* further, down to 600 MHz (12 steps for big,
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* 7 steps for LITTLE).
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*/
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map5 {
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trip = <&cpu_alert4>;
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trip = <&cpu0_alert4>;
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cooling-device = <&cpu0 3 7>;
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};
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map6 {
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trip = <&cpu_alert4>;
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cooling-device = <&cpu4 3 11>;
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trip = <&cpu0_alert4>;
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cooling-device = <&cpu4 3 12>;
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};
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};
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};
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cpu1_thermal: cpu1-thermal {
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thermal-sensors = <&tmu_cpu1 0>;
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polling-delay-passive = <250>;
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polling-delay = <0>;
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trips {
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cpu1_alert0: cpu-alert-0 {
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temperature = <50000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu1_alert1: cpu-alert-1 {
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temperature = <60000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu1_alert2: cpu-alert-2 {
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temperature = <70000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu1_crit0: cpu-crit-0 {
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temperature = <120000>;
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hysteresis = <0>;
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type = "critical";
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};
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cpu1_alert3: cpu-alert-3 {
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temperature = <70000>;
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hysteresis = <10000>;
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type = "passive";
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};
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cpu1_alert4: cpu-alert-4 {
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temperature = <85000>;
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hysteresis = <10000>;
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type = "passive";
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};
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};
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cooling-maps {
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map0 {
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trip = <&cpu1_alert0>;
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cooling-device = <&fan0 0 1>;
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};
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map1 {
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trip = <&cpu1_alert1>;
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cooling-device = <&fan0 1 2>;
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};
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map2 {
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trip = <&cpu1_alert2>;
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cooling-device = <&fan0 2 3>;
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};
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map3 {
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trip = <&cpu1_alert3>;
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cooling-device = <&cpu0 0 2>;
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};
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map4 {
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trip = <&cpu1_alert3>;
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cooling-device = <&cpu4 0 2>;
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};
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map5 {
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trip = <&cpu1_alert4>;
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cooling-device = <&cpu0 3 7>;
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};
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map6 {
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trip = <&cpu1_alert4>;
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cooling-device = <&cpu4 3 12>;
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};
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};
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};
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cpu2_thermal: cpu2-thermal {
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thermal-sensors = <&tmu_cpu2 0>;
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polling-delay-passive = <250>;
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polling-delay = <0>;
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trips {
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cpu2_alert0: cpu-alert-0 {
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temperature = <50000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu2_alert1: cpu-alert-1 {
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temperature = <60000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu2_alert2: cpu-alert-2 {
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temperature = <70000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu2_crit0: cpu-crit-0 {
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temperature = <120000>;
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hysteresis = <0>;
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type = "critical";
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};
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cpu2_alert3: cpu-alert-3 {
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temperature = <70000>;
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hysteresis = <10000>;
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type = "passive";
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};
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cpu2_alert4: cpu-alert-4 {
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temperature = <85000>;
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hysteresis = <10000>;
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type = "passive";
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};
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};
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cooling-maps {
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map0 {
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trip = <&cpu2_alert0>;
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cooling-device = <&fan0 0 1>;
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};
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map1 {
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trip = <&cpu2_alert1>;
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cooling-device = <&fan0 1 2>;
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};
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map2 {
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trip = <&cpu2_alert2>;
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cooling-device = <&fan0 2 3>;
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};
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map3 {
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trip = <&cpu2_alert3>;
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cooling-device = <&cpu0 0 2>;
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};
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map4 {
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trip = <&cpu2_alert3>;
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cooling-device = <&cpu4 0 2>;
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};
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map5 {
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trip = <&cpu2_alert4>;
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cooling-device = <&cpu0 3 7>;
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};
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map6 {
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trip = <&cpu2_alert4>;
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cooling-device = <&cpu4 3 12>;
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};
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};
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};
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cpu3_thermal: cpu3-thermal {
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thermal-sensors = <&tmu_cpu3 0>;
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polling-delay-passive = <250>;
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polling-delay = <0>;
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trips {
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cpu3_alert0: cpu-alert-0 {
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temperature = <50000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu3_alert1: cpu-alert-1 {
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temperature = <60000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu3_alert2: cpu-alert-2 {
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temperature = <70000>;
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hysteresis = <5000>;
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type = "active";
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};
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cpu3_crit0: cpu-crit-0 {
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temperature = <120000>;
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hysteresis = <0>;
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type = "critical";
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};
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cpu3_alert3: cpu-alert-3 {
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temperature = <70000>;
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hysteresis = <10000>;
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type = "passive";
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};
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cpu3_alert4: cpu-alert-4 {
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temperature = <85000>;
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hysteresis = <10000>;
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type = "passive";
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};
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};
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cooling-maps {
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map0 {
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trip = <&cpu3_alert0>;
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cooling-device = <&fan0 0 1>;
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};
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map1 {
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trip = <&cpu3_alert1>;
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cooling-device = <&fan0 1 2>;
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};
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map2 {
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trip = <&cpu3_alert2>;
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cooling-device = <&fan0 2 3>;
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};
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map3 {
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trip = <&cpu3_alert3>;
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cooling-device = <&cpu0 0 2>;
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};
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map4 {
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trip = <&cpu3_alert3>;
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cooling-device = <&cpu4 0 2>;
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};
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map5 {
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trip = <&cpu3_alert4>;
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cooling-device = <&cpu0 3 7>;
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};
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map6 {
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trip = <&cpu3_alert4>;
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cooling-device = <&cpu4 3 12>;
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};
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};
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};
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