Merge tag 'thermal-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux

Pull thermal updates from Daniel Lezcano:

 - Remove duplicate error message for the amlogic driver (Tang Bin)

 - Fix spellos in comments for the tegra and sun8i (Bhaskar Chowdhury)

 - Add the missing fifth node on the rcar_gen3 sensor (Niklas Söderlund)

 - Remove duplicate include in ti-bandgap (Zhang Yunkai)

 - Assign error code in the error path in the function
   thermal_of_populate_bind_params() (Jia-Ju Bai)

 - Fix spelling mistake in a comment 'disabed' -> 'disabled' (Colin Ian
   King)

 - Use the device name instead of auto-numbering for a better
   identification of the cooling device (Daniel Lezcano)

 - Improve a bit the division accuracy in the power allocator governor
   (Jeson Gao)

 - Enable the missing third sensor on msm8976 (Konrad Dybcio)

 - Add QCom tsens driver co-maintainer (Thara Gopinath)

 - Fix memory leak and use after free errors in the core code (Daniel
   Lezcano)

 - Add the MDM9607 compatible bindings (Konrad Dybcio)

 - Fix trivial spello in the copyright name for Hisilicon (Hao Fang)

 - Fix negative index array access when converting the frequency to
   power in the energy model (Brian-sy Yang)

 - Add support for Gen2 new PMIC support for Qcom SPMI (David Collins)

 - Update maintainer file for CPU cooling device section (Lukasz Luba)

 - Fix missing put_device on error in the Qcom tsens driver (Guangqing
   Zhu)

 - Add compatible DT binding for sm8350 (Robert Foss)

 - Add support for the MDM9607's tsens driver (Konrad Dybcio)

 - Remove duplicate error messages in thermal_mmio and the bcm2835
   driver (Ruiqi Gong)

 - Add the Thermal Temperature Cooling driver (Zhang Rui)

 - Remove duplicate error messages in the Hisilicon sensor driver (Ye
   Bin)

 - Use the devm_platform_ioremap_resource_byname() function instead of a
   couple of corresponding calls (dingsenjie)

 - Sort the headers alphabetically in the ti-bandgap driver (Zhen Lei)

 - Add missing property in the DT thermal sensor binding (Rafał Miłecki)

 - Remove dead code in the ti-bandgap sensor driver (Lin Ruizhe)

 - Convert the BRCM DT bindings to the yaml schema (Rafał Miłecki)

 - Replace the thermal_notify_framework() call by a call to the
   thermal_zone_device_update() function. Remove the function as well as
   the corresponding documentation (Thara Gopinath)

 - Add support for the ipq8064-tsens sensor along with a set of cleanups
   and code preparation (Ansuel Smith)

 - Add a lockless __thermal_cdev_update() function to improve the
   locking scheme in the core code and governors (Lukasz Luba)

 - Fix multiple cooling device notification changes (Lukasz Luba)

 - Remove unneeded variable initialization (Colin Ian King)

* tag 'thermal-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (55 commits)
  thermal/drivers/mtk_thermal: Remove redundant initializations of several variables
  thermal/core/power allocator: Use the lockless __thermal_cdev_update() function
  thermal/core/fair share: Use the lockless __thermal_cdev_update() function
  thermal/core/fair share: Lock the thermal zone while looping over instances
  thermal/core/power_allocator: Update once cooling devices when temp is low
  thermal/core/power_allocator: Maintain the device statistics from going stale
  thermal/core: Create a helper __thermal_cdev_update() without a lock
  dt-bindings: thermal: tsens: Document ipq8064 bindings
  thermal/drivers/tsens: Add support for ipq8064-tsens
  thermal/drivers/tsens: Drop unused define for msm8960
  thermal/drivers/tsens: Replace custom 8960 apis with generic apis
  thermal/drivers/tsens: Fix bug in sensor enable for msm8960
  thermal/drivers/tsens: Use init_common for msm8960
  thermal/drivers/tsens: Add VER_0 tsens version
  thermal/drivers/tsens: Convert msm8960 to reg_field
  thermal/drivers/tsens: Don't hardcode sensor slope
  Documentation: driver-api: thermal: Remove thermal_notify_framework from documentation
  thermal/core: Remove thermal_notify_framework
  iwlwifi: mvm: tt: Replace thermal_notify_framework
  dt-bindings: thermal: brcm,ns-thermal: Convert to the json-schema
  ...

Documentation/devicetree/bindings/thermal/brcm,ns-thermal.txt

-* Broadcom Northstar Thermal
-
-This binding describes thermal sensor that is part of Northstar's DMU (Device
-Management Unit).
-
-Required properties:
-- compatible : Must be "brcm,ns-thermal"
-- reg : iomem address range of PVTMON registers
-- #thermal-sensor-cells : Should be <0>
-
-Example:
-
-thermal: thermal@1800c2c0 {
-	compatible = "brcm,ns-thermal";
-	reg = <0x1800c2c0 0x10>;
-	#thermal-sensor-cells = <0>;
-};
-
-thermal-zones {
-	cpu_thermal: cpu-thermal {
-		polling-delay-passive = <0>;
-		polling-delay = <1000>;
-		coefficients = <(-556) 418000>;
-		thermal-sensors = <&thermal>;
-
-		trips {
-			cpu-crit {
-				temperature	= <125000>;
-				hysteresis	= <0>;
-				type		= "critical";
-			};
-		};
-
-		cooling-maps {
-		};
-	};
-};

Documentation/devicetree/bindings/thermal/brcm,ns-thermal.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/brcm,ns-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Northstar Thermal
+
+maintainers:
+  - Rafał Miłecki <rafal@milecki.pl>
+
+description:
+  Thermal sensor that is part of Northstar's DMU (Device Management Unit).
+
+allOf:
+  - $ref: thermal-sensor.yaml#
+
+properties:
+  compatible:
+    const: brcm,ns-thermal
+
+  reg:
+    description: PVTMON registers range
+    maxItems: 1
+
+  "#thermal-sensor-cells":
+    const: 0
+
+unevaluatedProperties: false
+
+required:
+  - reg
+
+examples:
+  - |
+    thermal: thermal@1800c2c0 {
+        compatible = "brcm,ns-thermal";
+        reg = <0x1800c2c0 0x10>;
+        #thermal-sensor-cells = <0>;
+    };
+
+    thermal-zones {
+        cpu-thermal {
+            polling-delay-passive = <0>;
+            polling-delay = <1000>;
+            coefficients = <(-556) 418000>;
+            thermal-sensors = <&thermal>;
+
+            trips {
+                cpu-crit {
+                    temperature = <125000>;
+                    hysteresis = <0>;
+                    type = "critical";
+                };
+            };
+
+            cooling-maps {
+            };
+        };
+    };

Documentation/devicetree/bindings/thermal/qcom-tsens.yaml

@@ -19,9 +19,15 @@ description: |
 properties:
   compatible:
     oneOf:
+      - description: msm9860 TSENS based
+        items:
+          - enum:
+              - qcom,ipq8064-tsens
+
       - description: v0.1 of TSENS
         items:
           - enum:
+              - qcom,mdm9607-tsens
               - qcom,msm8916-tsens
               - qcom,msm8939-tsens
               - qcom,msm8974-tsens
@@ -43,6 +49,7 @@ properties:
               - qcom,sdm845-tsens
               - qcom,sm8150-tsens
               - qcom,sm8250-tsens
+              - qcom,sm8350-tsens
           - const: qcom,tsens-v2
 
   reg:
@@ -73,7 +80,9 @@ properties:
     maxItems: 2
     items:
       - const: calib
-      - const: calib_sel
+      - enum:
+          - calib_backup
+          - calib_sel
 
   "#qcom,sensors":
     description:
@@ -88,12 +97,21 @@ properties:
       Number of cells required to uniquely identify the thermal sensors. Since
       we have multiple sensors this is set to 1
 
+required:
+  - compatible
+  - interrupts
+  - interrupt-names
+  - "#thermal-sensor-cells"
+  - "#qcom,sensors"
+
 allOf:
   - if:
       properties:
         compatible:
           contains:
             enum:
+              - qcom,ipq8064-tsens
+              - qcom,mdm9607-tsens
               - qcom,msm8916-tsens
               - qcom,msm8974-tsens
               - qcom,msm8976-tsens
@@ -114,17 +132,42 @@ allOf:
         interrupt-names:
           minItems: 2
 
-required:
-  - compatible
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,tsens-v0_1
+              - qcom,tsens-v1
+              - qcom,tsens-v2
+
+    then:
+      required:
         - reg
-  - "#qcom,sensors"
-  - interrupts
-  - interrupt-names
-  - "#thermal-sensor-cells"
 
 additionalProperties: false
 
 examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    // Example msm9860 based SoC (ipq8064):
+    gcc: clock-controller {
+
+           /* ... */
+
+           tsens: thermal-sensor {
+                compatible = "qcom,ipq8064-tsens";
+
+                 nvmem-cells = <&tsens_calib>, <&tsens_calib_backup>;
+                 nvmem-cell-names = "calib", "calib_backup";
+                 interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+                 interrupt-names = "uplow";
+
+                 #qcom,sensors = <11>;
+                 #thermal-sensor-cells = <1>;
+          };
+    };
+
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     // Example 1 (legacy: for pre v1 IP):

Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml

@@ -28,14 +28,7 @@ properties:
       - renesas,r8a77980-thermal # R-Car V3H
       - renesas,r8a779a0-thermal # R-Car V3U
 
-  reg:
-    minItems: 2
-    maxItems: 4
-    items:
-      - description: TSC1 registers
-      - description: TSC2 registers
-      - description: TSC3 registers
-      - description: TSC4 registers
+  reg: true
 
   interrupts:
     items:
@@ -71,8 +64,25 @@ if:
           enum:
             - renesas,r8a779a0-thermal
 then:
+  properties:
+    reg:
+      minItems: 2
+      maxItems: 3
+      items:
+        - description: TSC1 registers
+        - description: TSC2 registers
+        - description: TSC3 registers
   required:
     - interrupts
+else:
+  properties:
+    reg:
+      items:
+        - description: TSC0 registers
+        - description: TSC1 registers
+        - description: TSC2 registers
+        - description: TSC3 registers
+        - description: TSC4 registers
 
 additionalProperties: false
 
@@ -111,3 +121,20 @@ examples:
                     };
             };
     };
+  - |
+    #include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/power/r8a779a0-sysc.h>
+
+    tsc_r8a779a0: thermal@e6190000 {
+            compatible = "renesas,r8a779a0-thermal";
+            reg = <0xe6190000 0x200>,
+                  <0xe6198000 0x200>,
+                  <0xe61a0000 0x200>,
+                  <0xe61a8000 0x200>,
+                  <0xe61b0000 0x200>;
+            clocks = <&cpg CPG_MOD 919>;
+            power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+            resets = <&cpg 919>;
+            #thermal-sensor-cells = <1>;
+    };

Documentation/devicetree/bindings/thermal/thermal-sensor.yaml

@@ -36,6 +36,9 @@ properties:
       containing several internal sensors.
     enum: [0, 1]
 
+required:
+  - "#thermal-sensor-cells"
+
 additionalProperties: true
 
 examples:

Documentation/driver-api/thermal/sysfs-api.rst

@@ -730,17 +730,7 @@ This function returns the thermal_instance corresponding to a given
 {thermal_zone, cooling_device, trip_point} combination. Returns NULL
 if such an instance does not exist.
 
-4.3. thermal_notify_framework
------------------------------
-
-This function handles the trip events from sensor drivers. It starts
-throttling the cooling devices according to the policy configured.
-For CRITICAL and HOT trip points, this notifies the respective drivers,
-and does actual throttling for other trip points i.e ACTIVE and PASSIVE.
-The throttling policy is based on the configured platform data; if no
-platform data is provided, this uses the step_wise throttling policy.
-
-4.4. thermal_cdev_update
+4.3. thermal_cdev_update
 ------------------------
 
 This function serves as an arbitrator to set the state of a cooling

MAINTAINERS

@@ -15197,6 +15197,7 @@ F:	include/linux/if_rmnet.h
 
 QUALCOMM TSENS THERMAL DRIVER
 M:	Amit Kucheria <amitk@kernel.org>
+M:	Thara Gopinath <thara.gopinath@linaro.org>
 L:	linux-pm@vger.kernel.org
 L:	linux-arm-msm@vger.kernel.org
 S:	Maintained
@@ -18101,7 +18102,7 @@ THERMAL/CPU_COOLING
 M:	Amit Daniel Kachhap <amit.kachhap@gmail.com>
 M:	Daniel Lezcano <daniel.lezcano@linaro.org>
 M:	Viresh Kumar <viresh.kumar@linaro.org>
-M:	Javi Merino <javi.merino@kernel.org>
+R:	Lukasz Luba <lukasz.luba@arm.com>
 L:	linux-pm@vger.kernel.org
 S:	Supported
 F:	Documentation/driver-api/thermal/cpu-cooling-api.rst

drivers/net/ethernet/mellanox/mlxsw/core_thermal.c

@@ -132,7 +132,7 @@ static int mlxsw_get_cooling_device_idx(struct mlxsw_thermal *thermal,
 	/* Allow mlxsw thermal zone binding to an external cooling device */
 	for (i = 0; i < ARRAY_SIZE(mlxsw_thermal_external_allowed_cdev); i++) {
 		if (strnstr(cdev->type, mlxsw_thermal_external_allowed_cdev[i],
-			    sizeof(cdev->type)))
+			    strlen(cdev->type)))
 			return 0;
 	}
 

drivers/net/wireless/intel/iwlwifi/mvm/tt.c

@@ -146,8 +146,8 @@ void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
 	if (mvm->tz_device.tzone) {
 		struct iwl_mvm_thermal_device *tz_dev = &mvm->tz_device;
 
-		thermal_notify_framework(tz_dev->tzone,
-					 tz_dev->fw_trips_index[ths_crossed]);
+		thermal_zone_device_update(tz_dev->tzone,
+					   THERMAL_TRIP_VIOLATED);
 	}
 #endif /* CONFIG_THERMAL */
 }

drivers/thermal/amlogic_thermal.c

@@ -254,10 +254,8 @@ static int amlogic_thermal_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pdata);
 
 	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base)) {
-		dev_err(dev, "failed to get io address\n");
+	if (IS_ERR(base))
 		return PTR_ERR(base);
-	}
 
 	pdata->regmap = devm_regmap_init_mmio(dev, base,
 					      pdata->data->regmap_config);

drivers/thermal/broadcom/bcm2835_thermal.c

@@ -184,7 +184,6 @@ static int bcm2835_thermal_probe(struct platform_device *pdev)
 	data->regs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(data->regs)) {
 		err = PTR_ERR(data->regs);
-		dev_err(&pdev->dev, "Could not get registers: %d\n", err);
 		return err;
 	}
 

drivers/thermal/cpufreq_cooling.c

@@ -13,10 +13,10 @@
 #include <linux/cpu.h>
 #include <linux/cpufreq.h>
 #include <linux/cpu_cooling.h>
+#include <linux/device.h>
 #include <linux/energy_model.h>
 #include <linux/err.h>
 #include <linux/export.h>
-#include <linux/idr.h>
 #include <linux/pm_opp.h>
 #include <linux/pm_qos.h>
 #include <linux/slab.h>
@@ -50,8 +50,6 @@ struct time_in_idle {
 
 /**
  * struct cpufreq_cooling_device - data for cooling device with cpufreq
- * @id: unique integer value corresponding to each cpufreq_cooling_device
- *	registered.
  * @last_load: load measured by the latest call to cpufreq_get_requested_power()
  * @cpufreq_state: integer value representing the current state of cpufreq
  *	cooling	devices.
@@ -61,7 +59,6 @@ struct time_in_idle {
  * @cdev: thermal_cooling_device pointer to keep track of the
  *	registered cooling device.
  * @policy: cpufreq policy.
- * @node: list_head to link all cpufreq_cooling_device together.
  * @idle_time: idle time stats
  * @qos_req: PM QoS contraint to apply
  *
@@ -69,23 +66,17 @@ struct time_in_idle {
  * cpufreq_cooling_device.
  */
 struct cpufreq_cooling_device {
-	int id;
 	u32 last_load;
 	unsigned int cpufreq_state;
 	unsigned int max_level;
 	struct em_perf_domain *em;
 	struct cpufreq_policy *policy;
-	struct list_head node;
 #ifndef CONFIG_SMP
 	struct time_in_idle *idle_time;
 #endif
 	struct freq_qos_request qos_req;
 };
 
-static DEFINE_IDA(cpufreq_ida);
-static DEFINE_MUTEX(cooling_list_lock);
-static LIST_HEAD(cpufreq_cdev_list);
-
 #ifdef CONFIG_THERMAL_GOV_POWER_ALLOCATOR
 /**
  * get_level: Find the level for a particular frequency
@@ -125,7 +116,7 @@ static u32 cpu_power_to_freq(struct cpufreq_cooling_device *cpufreq_cdev,
 {
 	int i;
 
-	for (i = cpufreq_cdev->max_level; i >= 0; i--) {
+	for (i = cpufreq_cdev->max_level; i > 0; i--) {
 		if (power >= cpufreq_cdev->em->table[i].power)
 			break;
 	}
@@ -528,11 +519,11 @@ __cpufreq_cooling_register(struct device_node *np,
 {
 	struct thermal_cooling_device *cdev;
 	struct cpufreq_cooling_device *cpufreq_cdev;
-	char dev_name[THERMAL_NAME_LENGTH];
 	unsigned int i;
 	struct device *dev;
 	int ret;
 	struct thermal_cooling_device_ops *cooling_ops;
+	char *name;
 
 	dev = get_cpu_device(policy->cpu);
 	if (unlikely(!dev)) {
@@ -567,16 +558,6 @@ __cpufreq_cooling_register(struct device_node *np,
 	/* max_level is an index, not a counter */
 	cpufreq_cdev->max_level = i - 1;
 
-	ret = ida_simple_get(&cpufreq_ida, 0, 0, GFP_KERNEL);
-	if (ret < 0) {
-		cdev = ERR_PTR(ret);
-		goto free_idle_time;
-	}
-	cpufreq_cdev->id = ret;
-
-	snprintf(dev_name, sizeof(dev_name), "thermal-cpufreq-%d",
-		 cpufreq_cdev->id);
-
 	cooling_ops = &cpufreq_cooling_ops;
 
 #ifdef CONFIG_THERMAL_GOV_POWER_ALLOCATOR
@@ -591,7 +572,7 @@ __cpufreq_cooling_register(struct device_node *np,
 		pr_err("%s: unsorted frequency tables are not supported\n",
 		       __func__);
 		cdev = ERR_PTR(-EINVAL);
-		goto remove_ida;
+		goto free_idle_time;
 	}
 
 	ret = freq_qos_add_request(&policy->constraints,
@@ -601,24 +582,25 @@ __cpufreq_cooling_register(struct device_node *np,
 		pr_err("%s: Failed to add freq constraint (%d)\n", __func__,
 		       ret);
 		cdev = ERR_PTR(ret);
-		goto remove_ida;
+		goto free_idle_time;
 	}
 
-	cdev = thermal_of_cooling_device_register(np, dev_name, cpufreq_cdev,
+	cdev = ERR_PTR(-ENOMEM);
+	name = kasprintf(GFP_KERNEL, "cpufreq-%s", dev_name(dev));
+	if (!name)
+		goto remove_qos_req;
+
+	cdev = thermal_of_cooling_device_register(np, name, cpufreq_cdev,
 						  cooling_ops);
+	kfree(name);
+
 	if (IS_ERR(cdev))
 		goto remove_qos_req;
 
-	mutex_lock(&cooling_list_lock);
-	list_add(&cpufreq_cdev->node, &cpufreq_cdev_list);
-	mutex_unlock(&cooling_list_lock);
-
 	return cdev;
 
 remove_qos_req:
 	freq_qos_remove_request(&cpufreq_cdev->qos_req);
-remove_ida:
-	ida_simple_remove(&cpufreq_ida, cpufreq_cdev->id);
 free_idle_time:
 	free_idle_time(cpufreq_cdev);
 free_cdev:
@@ -706,13 +688,8 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
 
 	cpufreq_cdev = cdev->devdata;
 
-	mutex_lock(&cooling_list_lock);
-	list_del(&cpufreq_cdev->node);
-	mutex_unlock(&cooling_list_lock);
-
 	thermal_cooling_device_unregister(cdev);
 	freq_qos_remove_request(&cpufreq_cdev->qos_req);
-	ida_simple_remove(&cpufreq_ida, cpufreq_cdev->id);
 	free_idle_time(cpufreq_cdev);
 	kfree(cpufreq_cdev);
 }

drivers/thermal/cpuidle_cooling.c

@@ -9,9 +9,9 @@
 
 #include <linux/cpu_cooling.h>
 #include <linux/cpuidle.h>
+#include <linux/device.h>
 #include <linux/err.h>
 #include <linux/idle_inject.h>
-#include <linux/idr.h>
 #include <linux/of_device.h>
 #include <linux/slab.h>
 #include <linux/thermal.h>
@@ -26,8 +26,6 @@ struct cpuidle_cooling_device {
 	unsigned long state;
 };
 
-static DEFINE_IDA(cpuidle_ida);
-
 /**
  * cpuidle_cooling_runtime - Running time computation
  * @idle_duration_us: CPU idle time to inject in microseconds
@@ -174,10 +172,11 @@ static int __cpuidle_cooling_register(struct device_node *np,
 	struct idle_inject_device *ii_dev;
 	struct cpuidle_cooling_device *idle_cdev;
 	struct thermal_cooling_device *cdev;
+	struct device *dev;
 	unsigned int idle_duration_us = TICK_USEC;
 	unsigned int latency_us = UINT_MAX;
-	char dev_name[THERMAL_NAME_LENGTH];
-	int id, ret;
+	char *name;
+	int ret;
 
 	idle_cdev = kzalloc(sizeof(*idle_cdev), GFP_KERNEL);
 	if (!idle_cdev) {
@@ -185,16 +184,10 @@ static int __cpuidle_cooling_register(struct device_node *np,
 		goto out;
 	}
 
-	id = ida_simple_get(&cpuidle_ida, 0, 0, GFP_KERNEL);
-	if (id < 0) {
-		ret = id;
-		goto out_kfree;
-	}
-
 	ii_dev = idle_inject_register(drv->cpumask);
 	if (!ii_dev) {
 		ret = -EINVAL;
-		goto out_id;
+		goto out_kfree;
 	}
 
 	of_property_read_u32(np, "duration-us", &idle_duration_us);
@@ -205,24 +198,32 @@ static int __cpuidle_cooling_register(struct device_node *np,
 
 	idle_cdev->ii_dev = ii_dev;
 
-	snprintf(dev_name, sizeof(dev_name), "thermal-idle-%d", id);
+	dev = get_cpu_device(cpumask_first(drv->cpumask));
 
-	cdev = thermal_of_cooling_device_register(np, dev_name, idle_cdev,
+	name = kasprintf(GFP_KERNEL, "idle-%s", dev_name(dev));
+	if (!name) {
+		ret = -ENOMEM;
+		goto out_unregister;
+	}
+
+	cdev = thermal_of_cooling_device_register(np, name, idle_cdev,
 						  &cpuidle_cooling_ops);
 	if (IS_ERR(cdev)) {
 		ret = PTR_ERR(cdev);
-		goto out_unregister;
+		goto out_kfree_name;
 	}
 
 	pr_debug("%s: Idle injection set with idle duration=%u, latency=%u\n",
-		 dev_name, idle_duration_us, latency_us);
+		 name, idle_duration_us, latency_us);
+
+	kfree(name);
 
 	return 0;
 
+out_kfree_name:
+	kfree(name);
 out_unregister:
 	idle_inject_unregister(ii_dev);
-out_id:
-	ida_simple_remove(&cpuidle_ida, id);
 out_kfree:
 	kfree(idle_cdev);
 out:

drivers/thermal/devfreq_cooling.c

@@ -14,7 +14,6 @@
 #include <linux/devfreq_cooling.h>
 #include <linux/energy_model.h>
 #include <linux/export.h>
-#include <linux/idr.h>
 #include <linux/slab.h>
 #include <linux/pm_opp.h>
 #include <linux/pm_qos.h>
@@ -25,11 +24,8 @@
 #define HZ_PER_KHZ		1000
 #define SCALE_ERROR_MITIGATION	100
 
-static DEFINE_IDA(devfreq_ida);
-
 /**
  * struct devfreq_cooling_device - Devfreq cooling device
- * @id:		unique integer value corresponding to each
  *		devfreq_cooling_device registered.
  * @cdev:	Pointer to associated thermal cooling device.
  * @devfreq:	Pointer to associated devfreq device.
@@ -51,7 +47,6 @@ static DEFINE_IDA(devfreq_ida);
  * @em_pd:		Energy Model for the associated Devfreq device
  */
 struct devfreq_cooling_device {
-	int id;
 	struct thermal_cooling_device *cdev;
 	struct devfreq *devfreq;
 	unsigned long cooling_state;
@@ -363,7 +358,7 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
 	struct thermal_cooling_device *cdev;
 	struct device *dev = df->dev.parent;
 	struct devfreq_cooling_device *dfc;
-	char dev_name[THERMAL_NAME_LENGTH];
+	char *name;
 	int err, num_opps;
 
 	dfc = kzalloc(sizeof(*dfc), GFP_KERNEL);
@@ -407,30 +402,27 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
 	if (err < 0)
 		goto free_table;
 
-	err = ida_simple_get(&devfreq_ida, 0, 0, GFP_KERNEL);
-	if (err < 0)
+	err = -ENOMEM;
+	name = kasprintf(GFP_KERNEL, "devfreq-%s", dev_name(dev));
+	if (!name)
 		goto remove_qos_req;
 
-	dfc->id = err;
-
-	snprintf(dev_name, sizeof(dev_name), "thermal-devfreq-%d", dfc->id);
-
-	cdev = thermal_of_cooling_device_register(np, dev_name, dfc,
+	cdev = thermal_of_cooling_device_register(np, name, dfc,
 						  &devfreq_cooling_ops);
+	kfree(name);
+
 	if (IS_ERR(cdev)) {
 		err = PTR_ERR(cdev);
 		dev_err(dev,
 			"Failed to register devfreq cooling device (%d)\n",
 			err);
-		goto release_ida;
+		goto remove_qos_req;
 	}
 
 	dfc->cdev = cdev;
 
 	return cdev;
 
-release_ida:
-	ida_simple_remove(&devfreq_ida, dfc->id);
 remove_qos_req:
 	dev_pm_qos_remove_request(&dfc->req_max_freq);
 free_table:
@@ -527,7 +519,6 @@ void devfreq_cooling_unregister(struct thermal_cooling_device *cdev)
 	dev = dfc->devfreq->dev.parent;
 
 	thermal_cooling_device_unregister(dfc->cdev);
-	ida_simple_remove(&devfreq_ida, dfc->id);
 	dev_pm_qos_remove_request(&dfc->req_max_freq);
 
 	em_dev_unregister_perf_domain(dev);

drivers/thermal/gov_fair_share.c

@@ -82,6 +82,8 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip)
 	int total_instance = 0;
 	int cur_trip_level = get_trip_level(tz);
 
+	mutex_lock(&tz->lock);
+
 	list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
 		if (instance->trip != trip)
 			continue;
@@ -105,11 +107,12 @@ static int fair_share_throttle(struct thermal_zone_device *tz, int trip)
 		instance->target = get_target_state(tz, cdev, percentage,
 						    cur_trip_level);
 
-		mutex_lock(&instance->cdev->lock);
-		instance->cdev->updated = false;
-		mutex_unlock(&instance->cdev->lock);
-		thermal_cdev_update(cdev);
+		mutex_lock(&cdev->lock);
+		__thermal_cdev_update(cdev);
+		mutex_unlock(&cdev->lock);
 	}
+
+	mutex_unlock(&tz->lock);
 	return 0;
 }
 

drivers/thermal/gov_power_allocator.c

@@ -301,9 +301,8 @@ power_actor_set_power(struct thermal_cooling_device *cdev,
 
 	instance->target = clamp_val(state, instance->lower, instance->upper);
 	mutex_lock(&cdev->lock);
-	cdev->updated = false;
+	__thermal_cdev_update(cdev);
 	mutex_unlock(&cdev->lock);
-	thermal_cdev_update(cdev);
 
 	return 0;
 }
@@ -374,9 +373,11 @@ static void divvy_up_power(u32 *req_power, u32 *max_power, int num_actors,
 	 */
 	extra_power = min(extra_power, capped_extra_power);
 	if (capped_extra_power > 0)
-		for (i = 0; i < num_actors; i++)
-			granted_power[i] += (extra_actor_power[i] *
-					extra_power) / capped_extra_power;
+		for (i = 0; i < num_actors; i++) {
+			u64 extra_range = (u64)extra_actor_power[i] * extra_power;
+			granted_power[i] += DIV_ROUND_CLOSEST_ULL(extra_range,
+							 capped_extra_power);
+		}
 }
 
 static int allocate_power(struct thermal_zone_device *tz,
@@ -569,22 +570,33 @@ static void reset_pid_controller(struct power_allocator_params *params)
 	params->prev_err = 0;
 }
 
-static void allow_maximum_power(struct thermal_zone_device *tz)
+static void allow_maximum_power(struct thermal_zone_device *tz, bool update)
 {
 	struct thermal_instance *instance;
 	struct power_allocator_params *params = tz->governor_data;
+	u32 req_power;
 
 	mutex_lock(&tz->lock);
 	list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+		struct thermal_cooling_device *cdev = instance->cdev;
+
 		if ((instance->trip != params->trip_max_desired_temperature) ||
 		    (!cdev_is_power_actor(instance->cdev)))
 			continue;
 
 		instance->target = 0;
 		mutex_lock(&instance->cdev->lock);
-		instance->cdev->updated = false;
+		/*
+		 * Call for updating the cooling devices local stats and avoid
+		 * periods of dozen of seconds when those have not been
+		 * maintained.
+		 */
+		cdev->ops->get_requested_power(cdev, &req_power);
+
+		if (update)
+			__thermal_cdev_update(instance->cdev);
+
 		mutex_unlock(&instance->cdev->lock);
-		thermal_cdev_update(instance->cdev);
 	}
 	mutex_unlock(&tz->lock);
 }
@@ -698,6 +710,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
 	int ret;
 	int switch_on_temp, control_temp;
 	struct power_allocator_params *params = tz->governor_data;
+	bool update;
 
 	/*
 	 * We get called for every trip point but we only need to do
@@ -709,9 +722,10 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
 	ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
 				     &switch_on_temp);
 	if (!ret && (tz->temperature < switch_on_temp)) {
+		update = (tz->last_temperature >= switch_on_temp);
 		tz->passive = 0;
 		reset_pid_controller(params);
-		allow_maximum_power(tz);
+		allow_maximum_power(tz, update);
 		return 0;
 	}
 

drivers/thermal/hisi_thermal.c

 /*
- * Hisilicon thermal sensor driver
+ * HiSilicon thermal sensor driver
  *
- * Copyright (c) 2014-2015 Hisilicon Limited.
+ * Copyright (c) 2014-2015 HiSilicon Limited.
  * Copyright (c) 2014-2015 Linaro Limited.
  *
  * Xinwei Kong <kong.kongxinwei@hisilicon.com>
@@ -572,10 +572,8 @@ static int hisi_thermal_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	data->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(data->regs)) {
-		dev_err(dev, "failed to get io address\n");
+	if (IS_ERR(data->regs))
 		return PTR_ERR(data->regs);
-	}
 
 	ret = data->ops->probe(data);
 	if (ret)
@@ -672,5 +670,5 @@ module_platform_driver(hisi_thermal_driver);
 
 MODULE_AUTHOR("Xinwei Kong <kong.kongxinwei@hisilicon.com>");
 MODULE_AUTHOR("Leo Yan <leo.yan@linaro.org>");
-MODULE_DESCRIPTION("Hisilicon thermal driver");
+MODULE_DESCRIPTION("HiSilicon thermal driver");
 MODULE_LICENSE("GPL v2");

drivers/thermal/intel/Kconfig

@@ -79,3 +79,14 @@ config INTEL_PCH_THERMAL
 	  Enable this to support thermal reporting on certain intel PCHs.
 	  Thermal reporting device will provide temperature reading,
 	  programmable trip points and other information.
+
+config INTEL_TCC_COOLING
+	tristate "Intel TCC offset cooling Driver"
+	depends on X86
+	help
+	  Enable this to support system cooling by adjusting the effective TCC
+	  activation temperature via the TCC Offset register, which is widely
+	  supported on modern Intel platforms.
+	  Note that, on different platforms, the behavior might be different
+	  on how fast the setting takes effect, and how much the CPU frequency
+	  is reduced.

drivers/thermal/intel/Makefile

@@ -10,4 +10,5 @@ obj-$(CONFIG_INTEL_QUARK_DTS_THERMAL)	+= intel_quark_dts_thermal.o
 obj-$(CONFIG_INT340X_THERMAL)  += int340x_thermal/
 obj-$(CONFIG_INTEL_BXT_PMIC_THERMAL) += intel_bxt_pmic_thermal.o
 obj-$(CONFIG_INTEL_PCH_THERMAL)	+= intel_pch_thermal.o
+obj-$(CONFIG_INTEL_TCC_COOLING)	+= intel_tcc_cooling.o
 obj-$(CONFIG_X86_THERMAL_VECTOR) += therm_throt.o

drivers/thermal/intel/intel_tcc_cooling.c

+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * cooling device driver that activates the processor throttling by
+ * programming the TCC Offset register.
+ * Copyright (c) 2021, Intel Corporation.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/thermal.h>
+#include <asm/cpu_device_id.h>
+
+#define TCC_SHIFT 24
+#define TCC_MASK	(0x3fULL<<24)
+#define TCC_PROGRAMMABLE	BIT(30)
+
+static struct thermal_cooling_device *tcc_cdev;
+
+static int tcc_get_max_state(struct thermal_cooling_device *cdev, unsigned long
+			     *state)
+{
+	*state = TCC_MASK >> TCC_SHIFT;
+	return 0;
+}
+
+static int tcc_offset_update(int tcc)
+{
+	u64 val;
+	int err;
+
+	err = rdmsrl_safe(MSR_IA32_TEMPERATURE_TARGET, &val);
+	if (err)
+		return err;
+
+	val &= ~TCC_MASK;
+	val |= tcc << TCC_SHIFT;
+
+	err = wrmsrl_safe(MSR_IA32_TEMPERATURE_TARGET, val);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static int tcc_get_cur_state(struct thermal_cooling_device *cdev, unsigned long
+			     *state)
+{
+	u64 val;
+	int err;
+
+	err = rdmsrl_safe(MSR_IA32_TEMPERATURE_TARGET, &val);
+	if (err)
+		return err;
+
+	*state = (val & TCC_MASK) >> TCC_SHIFT;
+	return 0;
+}
+
+static int tcc_set_cur_state(struct thermal_cooling_device *cdev, unsigned long
+			     state)
+{
+	return tcc_offset_update(state);
+}
+
+static const struct thermal_cooling_device_ops tcc_cooling_ops = {
+	.get_max_state = tcc_get_max_state,
+	.get_cur_state = tcc_get_cur_state,
+	.set_cur_state = tcc_set_cur_state,
+};
+
+static const struct x86_cpu_id tcc_ids[] __initconst = {
+	X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(KABYLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(KABYLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, NULL),
+	X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, NULL),
+	{}
+};
+
+MODULE_DEVICE_TABLE(x86cpu, tcc_ids);
+
+static int __init tcc_cooling_init(void)
+{
+	int ret;
+	u64 val;
+	const struct x86_cpu_id *id;
+
+	int err;
+
+	id = x86_match_cpu(tcc_ids);
+	if (!id)
+		return -ENODEV;
+
+	err = rdmsrl_safe(MSR_PLATFORM_INFO, &val);
+	if (err)
+		return err;
+
+	if (!(val & TCC_PROGRAMMABLE))
+		return -ENODEV;
+
+	pr_info("Programmable TCC Offset detected\n");
+
+	tcc_cdev =
+	    thermal_cooling_device_register("TCC Offset", NULL,
+					    &tcc_cooling_ops);
+	if (IS_ERR(tcc_cdev)) {
+		ret = PTR_ERR(tcc_cdev);
+		return ret;
+	}
+	return 0;
+}
+
+module_init(tcc_cooling_init)
+
+static void __exit tcc_cooling_exit(void)
+{
+	thermal_cooling_device_unregister(tcc_cdev);
+}
+
+module_exit(tcc_cooling_exit)
+
+MODULE_DESCRIPTION("TCC offset cooling device Driver");
+MODULE_AUTHOR("Zhang Rui <rui.zhang@intel.com>");
+MODULE_LICENSE("GPL v2");

drivers/thermal/mtk_thermal.c

@@ -573,12 +573,12 @@ static int raw_to_mcelsius_v1(struct mtk_thermal *mt, int sensno, s32 raw)
 
 static int raw_to_mcelsius_v2(struct mtk_thermal *mt, int sensno, s32 raw)
 {
-	s32 format_1 = 0;
-	s32 format_2 = 0;
-	s32 g_oe = 1;
-	s32 g_gain = 1;
-	s32 g_x_roomt = 0;
-	s32 tmp = 0;
+	s32 format_1;
+	s32 format_2;
+	s32 g_oe;
+	s32 g_gain;
+	s32 g_x_roomt;
+	s32 tmp;
 
 	if (raw == 0)
 		return 0;

drivers/thermal/qcom/qcom-spmi-temp-alarm.c

@@ -17,6 +17,7 @@
 
 #include "../thermal_core.h"
 
+#define QPNP_TM_REG_DIG_MAJOR		0x01
 #define QPNP_TM_REG_TYPE		0x04
 #define QPNP_TM_REG_SUBTYPE		0x05
 #define QPNP_TM_REG_STATUS		0x08
@@ -38,26 +39,30 @@
 
 #define ALARM_CTRL_FORCE_ENABLE		BIT(7)
 
-/*
- * Trip point values based on threshold control
- * 0 = {105 C, 125 C, 145 C}
- * 1 = {110 C, 130 C, 150 C}
- * 2 = {115 C, 135 C, 155 C}
- * 3 = {120 C, 140 C, 160 C}
-*/
-#define TEMP_STAGE_STEP			20000	/* Stage step: 20.000 C */
-#define TEMP_STAGE_HYSTERESIS		2000
+#define THRESH_COUNT			4
+#define STAGE_COUNT			3
+
+/* Over-temperature trip point values in mC */
+static const long temp_map_gen1[THRESH_COUNT][STAGE_COUNT] = {
+	{ 105000, 125000, 145000 },
+	{ 110000, 130000, 150000 },
+	{ 115000, 135000, 155000 },
+	{ 120000, 140000, 160000 },
+};
+
+static const long temp_map_gen2_v1[THRESH_COUNT][STAGE_COUNT] = {
+	{  90000, 110000, 140000 },
+	{  95000, 115000, 145000 },
+	{ 100000, 120000, 150000 },
+	{ 105000, 125000, 155000 },
+};
 
-#define TEMP_THRESH_MIN			105000	/* Threshold Min: 105 C */
 #define TEMP_THRESH_STEP		5000 /* Threshold step: 5 C */
 
 #define THRESH_MIN			0
 #define THRESH_MAX			3
 
-/* Stage 2 Threshold Min: 125 C */
-#define STAGE2_THRESHOLD_MIN		125000
-/* Stage 2 Threshold Max: 140 C */
-#define STAGE2_THRESHOLD_MAX		140000
+#define TEMP_STAGE_HYSTERESIS		2000
 
 /* Temperature in Milli Celsius reported during stage 0 if no ADC is present */
 #define DEFAULT_TEMP			37000
@@ -77,6 +82,7 @@ struct qpnp_tm_chip {
 	bool				initialized;
 
 	struct iio_channel		*adc;
+	const long			(*temp_map)[THRESH_COUNT][STAGE_COUNT];
 };
 
 /* This array maps from GEN2 alarm state to GEN1 alarm stage */
@@ -100,6 +106,23 @@ static int qpnp_tm_write(struct qpnp_tm_chip *chip, u16 addr, u8 data)
 	return regmap_write(chip->map, chip->base + addr, data);
 }
 
+/**
+ * qpnp_tm_decode_temp() - return temperature in mC corresponding to the
+ *		specified over-temperature stage
+ * @chip:		Pointer to the qpnp_tm chip
+ * @stage:		Over-temperature stage
+ *
+ * Return: temperature in mC
+ */
+static long qpnp_tm_decode_temp(struct qpnp_tm_chip *chip, unsigned int stage)
+{
+	if (!chip->temp_map || chip->thresh >= THRESH_COUNT || stage == 0 ||
+	    stage > STAGE_COUNT)
+		return 0;
+
+	return (*chip->temp_map)[chip->thresh][stage - 1];
+}
+
 /**
  * qpnp_tm_get_temp_stage() - return over-temperature stage
  * @chip:		Pointer to the qpnp_tm chip
@@ -149,14 +172,12 @@ static int qpnp_tm_update_temp_no_adc(struct qpnp_tm_chip *chip)
 
 	if (stage_new > stage_old) {
 		/* increasing stage, use lower bound */
-		chip->temp = (stage_new - 1) * TEMP_STAGE_STEP +
-			     chip->thresh * TEMP_THRESH_STEP +
-			     TEMP_STAGE_HYSTERESIS + TEMP_THRESH_MIN;
+		chip->temp = qpnp_tm_decode_temp(chip, stage_new)
+				+ TEMP_STAGE_HYSTERESIS;
 	} else if (stage_new < stage_old) {
 		/* decreasing stage, use upper bound */
-		chip->temp = stage_new * TEMP_STAGE_STEP +
-			     chip->thresh * TEMP_THRESH_STEP -
-			     TEMP_STAGE_HYSTERESIS + TEMP_THRESH_MIN;
+		chip->temp = qpnp_tm_decode_temp(chip, stage_new + 1)
+				- TEMP_STAGE_HYSTERESIS;
 	}
 
 	chip->stage = stage;
@@ -199,26 +220,28 @@ static int qpnp_tm_get_temp(void *data, int *temp)
 static int qpnp_tm_update_critical_trip_temp(struct qpnp_tm_chip *chip,
 					     int temp)
 {
-	u8 reg;
+	long stage2_threshold_min = (*chip->temp_map)[THRESH_MIN][1];
+	long stage2_threshold_max = (*chip->temp_map)[THRESH_MAX][1];
 	bool disable_s2_shutdown = false;
+	u8 reg;
 
 	WARN_ON(!mutex_is_locked(&chip->lock));
 
 	/*
 	 * Default: S2 and S3 shutdown enabled, thresholds at
-	 * 105C/125C/145C, monitoring at 25Hz
+	 * lowest threshold set, monitoring at 25Hz
 	 */
 	reg = SHUTDOWN_CTRL1_RATE_25HZ;
 
 	if (temp == THERMAL_TEMP_INVALID ||
-	    temp < STAGE2_THRESHOLD_MIN) {
+	    temp < stage2_threshold_min) {
 		chip->thresh = THRESH_MIN;
 		goto skip;
 	}
 
-	if (temp <= STAGE2_THRESHOLD_MAX) {
+	if (temp <= stage2_threshold_max) {
 		chip->thresh = THRESH_MAX -
-			((STAGE2_THRESHOLD_MAX - temp) /
+			((stage2_threshold_max - temp) /
 			 TEMP_THRESH_STEP);
 		disable_s2_shutdown = true;
 	} else {
@@ -326,9 +349,7 @@ static int qpnp_tm_init(struct qpnp_tm_chip *chip)
 		? chip->stage : alarm_state_map[chip->stage];
 
 	if (stage)
-		chip->temp = chip->thresh * TEMP_THRESH_STEP +
-			     (stage - 1) * TEMP_STAGE_STEP +
-			     TEMP_THRESH_MIN;
+		chip->temp = qpnp_tm_decode_temp(chip, stage);
 
 	crit_temp = qpnp_tm_get_critical_trip_temp(chip);
 	ret = qpnp_tm_update_critical_trip_temp(chip, crit_temp);
@@ -350,7 +371,7 @@ static int qpnp_tm_probe(struct platform_device *pdev)
 {
 	struct qpnp_tm_chip *chip;
 	struct device_node *node;
-	u8 type, subtype;
+	u8 type, subtype, dig_major;
 	u32 res;
 	int ret, irq;
 
@@ -400,6 +421,12 @@ static int qpnp_tm_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	ret = qpnp_tm_read(chip, QPNP_TM_REG_DIG_MAJOR, &dig_major);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "could not read dig_major\n");
+		return ret;
+	}
+
 	if (type != QPNP_TM_TYPE || (subtype != QPNP_TM_SUBTYPE_GEN1
 				     && subtype != QPNP_TM_SUBTYPE_GEN2)) {
 		dev_err(&pdev->dev, "invalid type 0x%02x or subtype 0x%02x\n",
@@ -408,6 +435,10 @@ static int qpnp_tm_probe(struct platform_device *pdev)
 	}
 
 	chip->subtype = subtype;
+	if (subtype == QPNP_TM_SUBTYPE_GEN2 && dig_major >= 1)
+		chip->temp_map = &temp_map_gen2_v1;
+	else
+		chip->temp_map = &temp_map_gen1;
 
 	/*
 	 * Register the sensor before initializing the hardware to be able to

drivers/thermal/qcom/tsens-8960.c

@@ -10,8 +10,6 @@
 #include <linux/thermal.h>
 #include "tsens.h"
 
-#define CAL_MDEGC		30000
-
 #define CONFIG_ADDR		0x3640
 #define CONFIG_ADDR_8660	0x3620
 /* CONFIG_ADDR bitmasks */
@@ -21,40 +19,38 @@
 #define CONFIG_SHIFT_8660	28
 #define CONFIG_MASK_8660	(3 << CONFIG_SHIFT_8660)
 
-#define STATUS_CNTL_ADDR_8064	0x3660
 #define CNTL_ADDR		0x3620
 /* CNTL_ADDR bitmasks */
 #define EN			BIT(0)
 #define SW_RST			BIT(1)
-#define SENSOR0_EN		BIT(3)
+
+#define MEASURE_PERIOD		BIT(18)
 #define SLP_CLK_ENA		BIT(26)
 #define SLP_CLK_ENA_8660	BIT(24)
-#define MEASURE_PERIOD		1
 #define SENSOR0_SHIFT		3
 
-/* INT_STATUS_ADDR bitmasks */
-#define MIN_STATUS_MASK		BIT(0)
-#define LOWER_STATUS_CLR	BIT(1)
-#define UPPER_STATUS_CLR	BIT(2)
-#define MAX_STATUS_MASK		BIT(3)
-
 #define THRESHOLD_ADDR		0x3624
-/* THRESHOLD_ADDR bitmasks */
-#define THRESHOLD_MAX_LIMIT_SHIFT	24
-#define THRESHOLD_MIN_LIMIT_SHIFT	16
-#define THRESHOLD_UPPER_LIMIT_SHIFT	8
-#define THRESHOLD_LOWER_LIMIT_SHIFT	0
-
-/* Initial temperature threshold values */
-#define LOWER_LIMIT_TH		0x50
-#define UPPER_LIMIT_TH		0xdf
-#define MIN_LIMIT_TH		0x0
-#define MAX_LIMIT_TH		0xff
-
-#define S0_STATUS_ADDR		0x3628
+
 #define INT_STATUS_ADDR		0x363c
-#define TRDY_MASK		BIT(7)
-#define TIMEOUT_US		100
+
+#define S0_STATUS_OFF		0x3628
+#define S1_STATUS_OFF		0x362c
+#define S2_STATUS_OFF		0x3630
+#define S3_STATUS_OFF		0x3634
+#define S4_STATUS_OFF		0x3638
+#define S5_STATUS_OFF		0x3664  /* Sensors 5-10 found on apq8064/msm8960 */
+#define S6_STATUS_OFF		0x3668
+#define S7_STATUS_OFF		0x366c
+#define S8_STATUS_OFF		0x3670
+#define S9_STATUS_OFF		0x3674
+#define S10_STATUS_OFF		0x3678
+
+/* Original slope - 350 to compensate mC to C inaccuracy */
+static u32 tsens_msm8960_slope[] = {
+			826, 826, 804, 826,
+			761, 782, 782, 849,
+			782, 849, 782
+			};
 
 static int suspend_8960(struct tsens_priv *priv)
 {
@@ -115,17 +111,34 @@ static int resume_8960(struct tsens_priv *priv)
 static int enable_8960(struct tsens_priv *priv, int id)
 {
 	int ret;
-	u32 reg, mask;
+	u32 reg, mask = BIT(id);
 
 	ret = regmap_read(priv->tm_map, CNTL_ADDR, &reg);
 	if (ret)
 		return ret;
 
-	mask = BIT(id + SENSOR0_SHIFT);
+	/* HARDWARE BUG:
+	 * On platforms with more than 6 sensors, all remaining sensors
+	 * must be enabled together, otherwise undefined results are expected.
+	 * (Sensor 6-7 disabled, Sensor 3 disabled...) In the original driver,
+	 * all the sensors are enabled in one step hence this bug is not
+	 * triggered.
+	 */
+	if (id > 5)
+		mask = GENMASK(10, 6);
+
+	mask <<= SENSOR0_SHIFT;
+
+	/* Sensors already enabled. Skip. */
+	if ((reg & mask) == mask)
+		return 0;
+
 	ret = regmap_write(priv->tm_map, CNTL_ADDR, reg | SW_RST);
 	if (ret)
 		return ret;
 
+	reg |= MEASURE_PERIOD;
+
 	if (priv->num_sensors > 1)
 		reg |= mask | SLP_CLK_ENA | EN;
 	else
@@ -162,63 +175,11 @@ static void disable_8960(struct tsens_priv *priv)
 	regmap_write(priv->tm_map, CNTL_ADDR, reg_cntl);
 }
 
-static int init_8960(struct tsens_priv *priv)
-{
-	int ret, i;
-	u32 reg_cntl;
-
-	priv->tm_map = dev_get_regmap(priv->dev, NULL);
-	if (!priv->tm_map)
-		return -ENODEV;
-
-	/*
-	 * The status registers for each sensor are discontiguous
-	 * because some SoCs have 5 sensors while others have more
-	 * but the control registers stay in the same place, i.e
-	 * directly after the first 5 status registers.
-	 */
-	for (i = 0; i < priv->num_sensors; i++) {
-		if (i >= 5)
-			priv->sensor[i].status = S0_STATUS_ADDR + 40;
-		priv->sensor[i].status += i * 4;
-	}
-
-	reg_cntl = SW_RST;
-	ret = regmap_update_bits(priv->tm_map, CNTL_ADDR, SW_RST, reg_cntl);
-	if (ret)
-		return ret;
-
-	if (priv->num_sensors > 1) {
-		reg_cntl |= SLP_CLK_ENA | (MEASURE_PERIOD << 18);
-		reg_cntl &= ~SW_RST;
-		ret = regmap_update_bits(priv->tm_map, CONFIG_ADDR,
-					 CONFIG_MASK, CONFIG);
-	} else {
-		reg_cntl |= SLP_CLK_ENA_8660 | (MEASURE_PERIOD << 16);
-		reg_cntl &= ~CONFIG_MASK_8660;
-		reg_cntl |= CONFIG_8660 << CONFIG_SHIFT_8660;
-	}
-
-	reg_cntl |= GENMASK(priv->num_sensors - 1, 0) << SENSOR0_SHIFT;
-	ret = regmap_write(priv->tm_map, CNTL_ADDR, reg_cntl);
-	if (ret)
-		return ret;
-
-	reg_cntl |= EN;
-	ret = regmap_write(priv->tm_map, CNTL_ADDR, reg_cntl);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
 static int calibrate_8960(struct tsens_priv *priv)
 {
 	int i;
 	char *data;
-
-	ssize_t num_read = priv->num_sensors;
-	struct tsens_sensor *s = priv->sensor;
+	u32 p1[11];
 
 	data = qfprom_read(priv->dev, "calib");
 	if (IS_ERR(data))
@@ -226,60 +187,96 @@ static int calibrate_8960(struct tsens_priv *priv)
 	if (IS_ERR(data))
 		return PTR_ERR(data);
 
-	for (i = 0; i < num_read; i++, s++)
-		s->offset = data[i];
+	for (i = 0; i < priv->num_sensors; i++) {
+		p1[i] = data[i];
+		priv->sensor[i].slope = tsens_msm8960_slope[i];
+	}
+
+	compute_intercept_slope(priv, p1, NULL, ONE_PT_CALIB);
 
 	kfree(data);
 
 	return 0;
 }
 
-/* Temperature on y axis and ADC-code on x-axis */
-static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s)
-{
-	int slope, offset;
-
-	slope = thermal_zone_get_slope(s->tzd);
-	offset = CAL_MDEGC - slope * s->offset;
-
-	return adc_code * slope + offset;
-}
-
-static int get_temp_8960(const struct tsens_sensor *s, int *temp)
-{
-	int ret;
-	u32 code, trdy;
-	struct tsens_priv *priv = s->priv;
-	unsigned long timeout;
-
-	timeout = jiffies + usecs_to_jiffies(TIMEOUT_US);
-	do {
-		ret = regmap_read(priv->tm_map, INT_STATUS_ADDR, &trdy);
-		if (ret)
-			return ret;
-		if (!(trdy & TRDY_MASK))
-			continue;
-		ret = regmap_read(priv->tm_map, s->status, &code);
-		if (ret)
-			return ret;
-		*temp = code_to_mdegC(code, s);
-		return 0;
-	} while (time_before(jiffies, timeout));
-
-	return -ETIMEDOUT;
-}
+static const struct reg_field tsens_8960_regfields[MAX_REGFIELDS] = {
+	/* ----- SROT ------ */
+	/* No VERSION information */
+
+	/* CNTL */
+	[TSENS_EN]     = REG_FIELD(CNTL_ADDR,  0, 0),
+	[TSENS_SW_RST] = REG_FIELD(CNTL_ADDR,  1, 1),
+	/* 8960 has 5 sensors, 8660 has 11, we only handle 5 */
+	[SENSOR_EN]    = REG_FIELD(CNTL_ADDR,  3, 7),
+
+	/* ----- TM ------ */
+	/* INTERRUPT ENABLE */
+	/* NO INTERRUPT ENABLE */
+
+	/* Single UPPER/LOWER TEMPERATURE THRESHOLD for all sensors */
+	[LOW_THRESH_0]   = REG_FIELD(THRESHOLD_ADDR,  0,  7),
+	[UP_THRESH_0]    = REG_FIELD(THRESHOLD_ADDR,  8, 15),
+	/* MIN_THRESH_0 and MAX_THRESH_0 are not present in the regfield
+	 * Recycle CRIT_THRESH_0 and 1 to set the required regs to hardcoded temp
+	 * MIN_THRESH_0 -> CRIT_THRESH_1
+	 * MAX_THRESH_0 -> CRIT_THRESH_0
+	 */
+	[CRIT_THRESH_1]   = REG_FIELD(THRESHOLD_ADDR, 16, 23),
+	[CRIT_THRESH_0]   = REG_FIELD(THRESHOLD_ADDR, 24, 31),
+
+	/* UPPER/LOWER INTERRUPT [CLEAR/STATUS] */
+	/* 1 == clear, 0 == normal operation */
+	[LOW_INT_CLEAR_0]   = REG_FIELD(CNTL_ADDR,  9,  9),
+	[UP_INT_CLEAR_0]    = REG_FIELD(CNTL_ADDR, 10, 10),
+
+	/* NO CRITICAL INTERRUPT SUPPORT on 8960 */
+
+	/* Sn_STATUS */
+	[LAST_TEMP_0]  = REG_FIELD(S0_STATUS_OFF,  0,  7),
+	[LAST_TEMP_1]  = REG_FIELD(S1_STATUS_OFF,  0,  7),
+	[LAST_TEMP_2]  = REG_FIELD(S2_STATUS_OFF,  0,  7),
+	[LAST_TEMP_3]  = REG_FIELD(S3_STATUS_OFF,  0,  7),
+	[LAST_TEMP_4]  = REG_FIELD(S4_STATUS_OFF,  0,  7),
+	[LAST_TEMP_5]  = REG_FIELD(S5_STATUS_OFF,  0,  7),
+	[LAST_TEMP_6]  = REG_FIELD(S6_STATUS_OFF,  0,  7),
+	[LAST_TEMP_7]  = REG_FIELD(S7_STATUS_OFF,  0,  7),
+	[LAST_TEMP_8]  = REG_FIELD(S8_STATUS_OFF,  0,  7),
+	[LAST_TEMP_9]  = REG_FIELD(S9_STATUS_OFF,  0,  7),
+	[LAST_TEMP_10] = REG_FIELD(S10_STATUS_OFF, 0,  7),
+
+	/* No VALID field on 8960 */
+	/* TSENS_INT_STATUS bits: 1 == threshold violated */
+	[MIN_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 0, 0),
+	[LOWER_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 1, 1),
+	[UPPER_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 2, 2),
+	/* No CRITICAL field on 8960 */
+	[MAX_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 3, 3),
+
+	/* TRDY: 1=ready, 0=in progress */
+	[TRDY] = REG_FIELD(INT_STATUS_ADDR, 7, 7),
+};
 
 static const struct tsens_ops ops_8960 = {
-	.init		= init_8960,
+	.init		= init_common,
 	.calibrate	= calibrate_8960,
-	.get_temp	= get_temp_8960,
+	.get_temp	= get_temp_common,
 	.enable		= enable_8960,
 	.disable	= disable_8960,
 	.suspend	= suspend_8960,
 	.resume		= resume_8960,
 };
 
+static struct tsens_features tsens_8960_feat = {
+	.ver_major	= VER_0,
+	.crit_int	= 0,
+	.adc		= 1,
+	.srot_split	= 0,
+	.max_sensors	= 11,
+};
+
 struct tsens_plat_data data_8960 = {
 	.num_sensors	= 11,
 	.ops		= &ops_8960,
+	.feat		= &tsens_8960_feat,
+	.fields		= tsens_8960_regfields,
 };

drivers/thermal/qcom/tsens-v0_1.c

@@ -190,6 +190,39 @@
 
 #define BIT_APPEND		0x3
 
+/* eeprom layout data for mdm9607 */
+#define MDM9607_BASE0_MASK	0x000000ff
+#define MDM9607_BASE1_MASK	0x000ff000
+#define MDM9607_BASE0_SHIFT	0
+#define MDM9607_BASE1_SHIFT	12
+
+#define MDM9607_S0_P1_MASK	0x00003f00
+#define MDM9607_S1_P1_MASK	0x03f00000
+#define MDM9607_S2_P1_MASK	0x0000003f
+#define MDM9607_S3_P1_MASK	0x0003f000
+#define MDM9607_S4_P1_MASK	0x0000003f
+
+#define MDM9607_S0_P2_MASK	0x000fc000
+#define MDM9607_S1_P2_MASK	0xfc000000
+#define MDM9607_S2_P2_MASK	0x00000fc0
+#define MDM9607_S3_P2_MASK	0x00fc0000
+#define MDM9607_S4_P2_MASK	0x00000fc0
+
+#define MDM9607_S0_P1_SHIFT	8
+#define MDM9607_S1_P1_SHIFT	20
+#define MDM9607_S2_P1_SHIFT	0
+#define MDM9607_S3_P1_SHIFT	12
+#define MDM9607_S4_P1_SHIFT	0
+
+#define MDM9607_S0_P2_SHIFT	14
+#define MDM9607_S1_P2_SHIFT	26
+#define MDM9607_S2_P2_SHIFT	6
+#define MDM9607_S3_P2_SHIFT	18
+#define MDM9607_S4_P2_SHIFT	6
+
+#define MDM9607_CAL_SEL_MASK	0x00700000
+#define MDM9607_CAL_SEL_SHIFT	20
+
 static int calibrate_8916(struct tsens_priv *priv)
 {
 	int base0 = 0, base1 = 0, i;
@@ -452,7 +485,56 @@ static int calibrate_8974(struct tsens_priv *priv)
 	return 0;
 }
 
-/* v0.1: 8916, 8939, 8974 */
+static int calibrate_9607(struct tsens_priv *priv)
+{
+	int base, i;
+	u32 p1[5], p2[5];
+	int mode = 0;
+	u32 *qfprom_cdata;
+
+	qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib");
+	if (IS_ERR(qfprom_cdata))
+		return PTR_ERR(qfprom_cdata);
+
+	mode = (qfprom_cdata[2] & MDM9607_CAL_SEL_MASK) >> MDM9607_CAL_SEL_SHIFT;
+	dev_dbg(priv->dev, "calibration mode is %d\n", mode);
+
+	switch (mode) {
+	case TWO_PT_CALIB:
+		base = (qfprom_cdata[2] & MDM9607_BASE1_MASK) >> MDM9607_BASE1_SHIFT;
+		p2[0] = (qfprom_cdata[0] & MDM9607_S0_P2_MASK) >> MDM9607_S0_P2_SHIFT;
+		p2[1] = (qfprom_cdata[0] & MDM9607_S1_P2_MASK) >> MDM9607_S1_P2_SHIFT;
+		p2[2] = (qfprom_cdata[1] & MDM9607_S2_P2_MASK) >> MDM9607_S2_P2_SHIFT;
+		p2[3] = (qfprom_cdata[1] & MDM9607_S3_P2_MASK) >> MDM9607_S3_P2_SHIFT;
+		p2[4] = (qfprom_cdata[2] & MDM9607_S4_P2_MASK) >> MDM9607_S4_P2_SHIFT;
+		for (i = 0; i < priv->num_sensors; i++)
+			p2[i] = ((base + p2[i]) << 2);
+		fallthrough;
+	case ONE_PT_CALIB2:
+		base = (qfprom_cdata[0] & MDM9607_BASE0_MASK);
+		p1[0] = (qfprom_cdata[0] & MDM9607_S0_P1_MASK) >> MDM9607_S0_P1_SHIFT;
+		p1[1] = (qfprom_cdata[0] & MDM9607_S1_P1_MASK) >> MDM9607_S1_P1_SHIFT;
+		p1[2] = (qfprom_cdata[1] & MDM9607_S2_P1_MASK) >> MDM9607_S2_P1_SHIFT;
+		p1[3] = (qfprom_cdata[1] & MDM9607_S3_P1_MASK) >> MDM9607_S3_P1_SHIFT;
+		p1[4] = (qfprom_cdata[2] & MDM9607_S4_P1_MASK) >> MDM9607_S4_P1_SHIFT;
+		for (i = 0; i < priv->num_sensors; i++)
+			p1[i] = ((base + p1[i]) << 2);
+		break;
+	default:
+		for (i = 0; i < priv->num_sensors; i++) {
+			p1[i] = 500;
+			p2[i] = 780;
+		}
+		break;
+	}
+
+	compute_intercept_slope(priv, p1, p2, mode);
+	kfree(qfprom_cdata);
+
+	return 0;
+}
+
+/* v0.1: 8916, 8939, 8974, 9607 */
 
 static struct tsens_features tsens_v0_1_feat = {
 	.ver_major	= VER_0_1,
@@ -540,3 +622,17 @@ struct tsens_plat_data data_8974 = {
 	.feat		= &tsens_v0_1_feat,
 	.fields	= tsens_v0_1_regfields,
 };
+
+static const struct tsens_ops ops_9607 = {
+	.init		= init_common,
+	.calibrate	= calibrate_9607,
+	.get_temp	= get_temp_common,
+};
+
+struct tsens_plat_data data_9607 = {
+	.num_sensors	= 5,
+	.ops		= &ops_9607,
+	.hw_ids		= (unsigned int []){ 0, 1, 2, 3, 4 },
+	.feat		= &tsens_v0_1_feat,
+	.fields	= tsens_v0_1_regfields,
+};

drivers/thermal/qcom/tsens-v1.c

@@ -380,11 +380,11 @@ static const struct tsens_ops ops_8976 = {
 	.get_temp	= get_temp_tsens_valid,
 };
 
-/* Valid for both MSM8956 and MSM8976. Sensor ID 3 is unused. */
+/* Valid for both MSM8956 and MSM8976. */
 struct tsens_plat_data data_8976 = {
 	.num_sensors	= 11,
 	.ops		= &ops_8976,
-	.hw_ids		= (unsigned int[]){0, 1, 2, 4, 5, 6, 7, 8, 9, 10},
+	.hw_ids		= (unsigned int[]){0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
 	.feat		= &tsens_v1_feat,
 	.fields		= tsens_v1_regfields,
 };

drivers/thermal/qcom/tsens.c

@@ -12,6 +12,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
+#include <linux/mfd/syscon.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 #include <linux/regmap.h>
@@ -85,6 +86,7 @@ void compute_intercept_slope(struct tsens_priv *priv, u32 *p1,
 			"%s: sensor%d - data_point1:%#x data_point2:%#x\n",
 			__func__, i, p1[i], p2[i]);
 
+		if (!priv->sensor[i].slope)
 			priv->sensor[i].slope = SLOPE_DEFAULT;
 		if (mode == TWO_PT_CALIB) {
 			/*
@@ -515,6 +517,15 @@ static irqreturn_t tsens_irq_thread(int irq, void *data)
 			dev_dbg(priv->dev, "[%u] %s: no violation:  %d\n",
 				hw_id, __func__, temp);
 		}
+
+		if (tsens_version(priv) < VER_0_1) {
+			/* Constraint: There is only 1 interrupt control register for all
+			 * 11 temperature sensor. So monitoring more than 1 sensor based
+			 * on interrupts will yield inconsistent result. To overcome this
+			 * issue we will monitor only sensor 0 which is the master sensor.
+			 */
+			break;
+		}
 	}
 
 	return IRQ_HANDLED;
@@ -530,6 +541,13 @@ static int tsens_set_trips(void *_sensor, int low, int high)
 	int high_val, low_val, cl_high, cl_low;
 	u32 hw_id = s->hw_id;
 
+	if (tsens_version(priv) < VER_0_1) {
+		/* Pre v0.1 IP had a single register for each type of interrupt
+		 * and thresholds
+		 */
+		hw_id = 0;
+	}
+
 	dev_dbg(dev, "[%u] %s: proposed thresholds: (%d:%d)\n",
 		hw_id, __func__, low, high);
 
@@ -584,6 +602,8 @@ int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp)
 	u32 valid;
 	int ret;
 
+	/* VER_0 doesn't have VALID bit */
+	if (tsens_version(priv) >= VER_0_1) {
 		ret = regmap_field_read(priv->rf[valid_idx], &valid);
 		if (ret)
 			return ret;
@@ -597,6 +617,7 @@ int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp)
 			if (ret)
 				return ret;
 		}
+	}
 
 	/* Valid bit is set, OK to read the temperature */
 	*temp = tsens_hw_to_mC(s, temp_idx);
@@ -608,7 +629,18 @@ int get_temp_common(const struct tsens_sensor *s, int *temp)
 {
 	struct tsens_priv *priv = s->priv;
 	int hw_id = s->hw_id;
-	int last_temp = 0, ret;
+	int last_temp = 0, ret, trdy;
+	unsigned long timeout;
+
+	timeout = jiffies + usecs_to_jiffies(TIMEOUT_US);
+	do {
+		if (tsens_version(priv) == VER_0) {
+			ret = regmap_field_read(priv->rf[TRDY], &trdy);
+			if (ret)
+				return ret;
+			if (!trdy)
+				continue;
+		}
 
 		ret = regmap_field_read(priv->rf[LAST_TEMP_0 + hw_id], &last_temp);
 		if (ret)
@@ -617,6 +649,9 @@ int get_temp_common(const struct tsens_sensor *s, int *temp)
 		*temp = code_to_degc(last_temp, s) * 1000;
 
 		return 0;
+	} while (time_before(jiffies, timeout));
+
+	return -ETIMEDOUT;
 }
 
 #ifdef CONFIG_DEBUG_FS
@@ -738,6 +773,7 @@ int __init init_common(struct tsens_priv *priv)
 		priv->tm_offset = 0x1000;
 	}
 
+	if (tsens_version(priv) >= VER_0_1) {
 		res = platform_get_resource(op, IORESOURCE_MEM, 0);
 		tm_base = devm_ioremap_resource(dev, res);
 		if (IS_ERR(tm_base)) {
@@ -746,17 +782,33 @@ int __init init_common(struct tsens_priv *priv)
 		}
 
 		priv->tm_map = devm_regmap_init_mmio(dev, tm_base, &tsens_config);
-	if (IS_ERR(priv->tm_map)) {
+	} else { /* VER_0 share the same gcc regs using a syscon */
+		struct device *parent = priv->dev->parent;
+
+		if (parent)
+			priv->tm_map = syscon_node_to_regmap(parent->of_node);
+	}
+
+	if (IS_ERR_OR_NULL(priv->tm_map)) {
+		if (!priv->tm_map)
+			ret = -ENODEV;
+		else
 			ret = PTR_ERR(priv->tm_map);
 		goto err_put_device;
 	}
 
+	/* VER_0 have only tm_map */
+	if (!priv->srot_map)
+		priv->srot_map = priv->tm_map;
+
 	if (tsens_version(priv) > VER_0_1) {
 		for (i = VER_MAJOR; i <= VER_STEP; i++) {
 			priv->rf[i] = devm_regmap_field_alloc(dev, priv->srot_map,
 							      priv->fields[i]);
-			if (IS_ERR(priv->rf[i]))
-				return PTR_ERR(priv->rf[i]);
+			if (IS_ERR(priv->rf[i])) {
+				ret = PTR_ERR(priv->rf[i]);
+				goto err_put_device;
+			}
 		}
 		ret = regmap_field_read(priv->rf[VER_MINOR], &ver_minor);
 		if (ret)
@@ -769,6 +821,10 @@ int __init init_common(struct tsens_priv *priv)
 		ret = PTR_ERR(priv->rf[TSENS_EN]);
 		goto err_put_device;
 	}
+	/* in VER_0 TSENS need to be explicitly enabled */
+	if (tsens_version(priv) == VER_0)
+		regmap_field_write(priv->rf[TSENS_EN], 1);
+
 	ret = regmap_field_read(priv->rf[TSENS_EN], &enabled);
 	if (ret)
 		goto err_put_device;
@@ -791,6 +847,19 @@ int __init init_common(struct tsens_priv *priv)
 		goto err_put_device;
 	}
 
+	priv->rf[TSENS_SW_RST] =
+		devm_regmap_field_alloc(dev, priv->srot_map, priv->fields[TSENS_SW_RST]);
+	if (IS_ERR(priv->rf[TSENS_SW_RST])) {
+		ret = PTR_ERR(priv->rf[TSENS_SW_RST]);
+		goto err_put_device;
+	}
+
+	priv->rf[TRDY] = devm_regmap_field_alloc(dev, priv->tm_map, priv->fields[TRDY]);
+	if (IS_ERR(priv->rf[TRDY])) {
+		ret = PTR_ERR(priv->rf[TRDY]);
+		goto err_put_device;
+	}
+
 	/* This loop might need changes if enum regfield_ids is reordered */
 	for (j = LAST_TEMP_0; j <= UP_THRESH_15; j += 16) {
 		for (i = 0; i < priv->feat->max_sensors; i++) {
@@ -806,7 +875,7 @@ int __init init_common(struct tsens_priv *priv)
 		}
 	}
 
-	if (priv->feat->crit_int) {
+	if (priv->feat->crit_int || tsens_version(priv) < VER_0_1) {
 		/* Loop might need changes if enum regfield_ids is reordered */
 		for (j = CRITICAL_STATUS_0; j <= CRIT_THRESH_15; j += 16) {
 			for (i = 0; i < priv->feat->max_sensors; i++) {
@@ -844,7 +913,11 @@ int __init init_common(struct tsens_priv *priv)
 	}
 
 	spin_lock_init(&priv->ul_lock);
+
+	/* VER_0 interrupt doesn't need to be enabled */
+	if (tsens_version(priv) >= VER_0_1)
 		tsens_enable_irq(priv);
+
 	tsens_debug_init(op);
 
 err_put_device:
@@ -895,6 +968,12 @@ static SIMPLE_DEV_PM_OPS(tsens_pm_ops, tsens_suspend, tsens_resume);
 
 static const struct of_device_id tsens_table[] = {
 	{
+		.compatible = "qcom,ipq8064-tsens",
+		.data = &data_8960,
+	}, {
+		.compatible = "qcom,mdm9607-tsens",
+		.data = &data_9607,
+	}, {
 		.compatible = "qcom,msm8916-tsens",
 		.data = &data_8916,
 	}, {
@@ -943,10 +1022,19 @@ static int tsens_register_irq(struct tsens_priv *priv, char *irqname,
 		if (irq == -ENXIO)
 			ret = 0;
 	} else {
+		/* VER_0 interrupt is TRIGGER_RISING, VER_0_1 and up is ONESHOT */
+		if (tsens_version(priv) == VER_0)
 			ret = devm_request_threaded_irq(&pdev->dev, irq,
-						NULL, thread_fn,
-						IRQF_ONESHOT,
-						dev_name(&pdev->dev), priv);
+							thread_fn, NULL,
+							IRQF_TRIGGER_RISING,
+							dev_name(&pdev->dev),
+							priv);
+		else
+			ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+							thread_fn, IRQF_ONESHOT,
+							dev_name(&pdev->dev),
+							priv);
+
 		if (ret)
 			dev_err(&pdev->dev, "%s: failed to get irq\n",
 				__func__);
@@ -975,6 +1063,19 @@ static int tsens_register(struct tsens_priv *priv)
 			priv->ops->enable(priv, i);
 	}
 
+	/* VER_0 require to set MIN and MAX THRESH
+	 * These 2 regs are set using the:
+	 * - CRIT_THRESH_0 for MAX THRESH hardcoded to 120°C
+	 * - CRIT_THRESH_1 for MIN THRESH hardcoded to   0°C
+	 */
+	if (tsens_version(priv) < VER_0_1) {
+		regmap_field_write(priv->rf[CRIT_THRESH_0],
+				   tsens_mC_to_hw(priv->sensor, 120000));
+
+		regmap_field_write(priv->rf[CRIT_THRESH_1],
+				   tsens_mC_to_hw(priv->sensor, 0));
+	}
+
 	ret = tsens_register_irq(priv, "uplow", tsens_irq_thread);
 	if (ret < 0)
 		return ret;

drivers/thermal/qcom/tsens.h

@@ -13,6 +13,7 @@
 #define CAL_DEGC_PT2		120
 #define SLOPE_FACTOR		1000
 #define SLOPE_DEFAULT		3200
+#define TIMEOUT_US		100
 #define THRESHOLD_MAX_ADC_CODE	0x3ff
 #define THRESHOLD_MIN_ADC_CODE	0x0
 
@@ -25,7 +26,8 @@ struct tsens_priv;
 
 /* IP version numbers in ascending order */
 enum tsens_ver {
-	VER_0_1 = 0,
+	VER_0 = 0,
+	VER_0_1,
 	VER_1_X,
 	VER_2_X,
 };
@@ -585,7 +587,7 @@ int get_temp_common(const struct tsens_sensor *s, int *temp);
 extern struct tsens_plat_data data_8960;
 
 /* TSENS v0.1 targets */
-extern struct tsens_plat_data data_8916, data_8939, data_8974;
+extern struct tsens_plat_data data_8916, data_8939, data_8974, data_9607;
 
 /* TSENS v1 targets */
 extern struct tsens_plat_data data_tsens_v1, data_8976;

drivers/thermal/rcar_gen3_thermal.c

@@ -60,7 +60,7 @@
 #define MCELSIUS(temp)	((temp) * 1000)
 #define GEN3_FUSE_MASK	0xFFF
 
-#define TSC_MAX_NUM	4
+#define TSC_MAX_NUM	5
 
 /* default THCODE values if FUSEs are missing */
 static const int thcodes[TSC_MAX_NUM][3] = {
@@ -68,6 +68,7 @@ static const int thcodes[TSC_MAX_NUM][3] = {
 	{ 3393, 2795, 2216 },
 	{ 3389, 2805, 2237 },
 	{ 3415, 2694, 2195 },
+	{ 3356, 2724, 2244 },
 };
 
 /* Structure for thermal temperature calculation */

drivers/thermal/sun8i_thermal.c

@@ -300,7 +300,7 @@ static int sun8i_ths_calibrate(struct ths_device *tmdev)
 		 * or 0x8xx, so they won't be away from the default value
 		 * for a lot.
 		 *
-		 * So here we do not return error if the calibartion data is
+		 * So here we do not return error if the calibration data is
 		 * not available, except the probe needs deferring.
 		 */
 		goto out;
@@ -418,7 +418,7 @@ static int sun8i_h3_thermal_init(struct ths_device *tmdev)
 }
 
 /*
- * Without this undocummented value, the returned temperatures would
+ * Without this undocumented value, the returned temperatures would
  * be higher than real ones by about 20C.
  */
 #define SUN50I_H6_CTRL0_UNK 0x0000002f

drivers/thermal/tegra/soctherm.c

@@ -2118,7 +2118,6 @@ static int tegra_soctherm_probe(struct platform_device *pdev)
 	struct tegra_soctherm *tegra;
 	struct thermal_zone_device *z;
 	struct tsensor_shared_calib shared_calib;
-	struct resource *res;
 	struct tegra_soctherm_soc *soc;
 	unsigned int i;
 	int err;
@@ -2140,26 +2139,20 @@ static int tegra_soctherm_probe(struct platform_device *pdev)
 
 	tegra->soc = soc;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   "soctherm-reg");
-	tegra->regs = devm_ioremap_resource(&pdev->dev, res);
+	tegra->regs = devm_platform_ioremap_resource_byname(pdev, "soctherm-reg");
 	if (IS_ERR(tegra->regs)) {
 		dev_err(&pdev->dev, "can't get soctherm registers");
 		return PTR_ERR(tegra->regs);
 	}
 
 	if (!tegra->soc->use_ccroc) {
-		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						   "car-reg");
-		tegra->clk_regs = devm_ioremap_resource(&pdev->dev, res);
+		tegra->clk_regs = devm_platform_ioremap_resource_byname(pdev, "car-reg");
 		if (IS_ERR(tegra->clk_regs)) {
 			dev_err(&pdev->dev, "can't get car clk registers");
 			return PTR_ERR(tegra->clk_regs);
 		}
 	} else {
-		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						   "ccroc-reg");
-		tegra->ccroc_regs = devm_ioremap_resource(&pdev->dev, res);
+		tegra->ccroc_regs = devm_platform_ioremap_resource_byname(pdev, "ccroc-reg");
 		if (IS_ERR(tegra->ccroc_regs)) {
 			dev_err(&pdev->dev, "can't get ccroc registers");
 			return PTR_ERR(tegra->ccroc_regs);
@@ -2195,7 +2188,7 @@ static int tegra_soctherm_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	/* calculate tsensor calibaration data */
+	/* calculate tsensor calibration data */
 	for (i = 0; i < soc->num_tsensors; ++i) {
 		err = tegra_calc_tsensor_calib(&soc->tsensors[i],
 					       &shared_calib,

drivers/thermal/thermal_core.c

@@ -561,24 +561,6 @@ void thermal_zone_device_update(struct thermal_zone_device *tz,
 }
 EXPORT_SYMBOL_GPL(thermal_zone_device_update);
 
-/**
- * thermal_notify_framework - Sensor drivers use this API to notify framework
- * @tz:		thermal zone device
- * @trip:	indicates which trip point has been crossed
- *
- * This function handles the trip events from sensor drivers. It starts
- * throttling the cooling devices according to the policy configured.
- * For CRITICAL and HOT trip points, this notifies the respective drivers,
- * and does actual throttling for other trip points i.e ACTIVE and PASSIVE.
- * The throttling policy is based on the configured platform data; if no
- * platform data is provided, this uses the step_wise throttling policy.
- */
-void thermal_notify_framework(struct thermal_zone_device *tz, int trip)
-{
-	handle_thermal_trip(tz, trip);
-}
-EXPORT_SYMBOL_GPL(thermal_notify_framework);
-
 static void thermal_zone_device_check(struct work_struct *work)
 {
 	struct thermal_zone_device *tz = container_of(work, struct
@@ -960,10 +942,7 @@ __thermal_cooling_device_register(struct device_node *np,
 {
 	struct thermal_cooling_device *cdev;
 	struct thermal_zone_device *pos = NULL;
-	int result;
-
-	if (type && strlen(type) >= THERMAL_NAME_LENGTH)
-		return ERR_PTR(-EINVAL);
+	int ret;
 
 	if (!ops || !ops->get_max_state || !ops->get_cur_state ||
 	    !ops->set_cur_state)
@@ -973,14 +952,17 @@ __thermal_cooling_device_register(struct device_node *np,
 	if (!cdev)
 		return ERR_PTR(-ENOMEM);
 
-	result = ida_simple_get(&thermal_cdev_ida, 0, 0, GFP_KERNEL);
-	if (result < 0) {
-		kfree(cdev);
-		return ERR_PTR(result);
+	ret = ida_simple_get(&thermal_cdev_ida, 0, 0, GFP_KERNEL);
+	if (ret < 0)
+		goto out_kfree_cdev;
+	cdev->id = ret;
+
+	cdev->type = kstrdup(type ? type : "", GFP_KERNEL);
+	if (!cdev->type) {
+		ret = -ENOMEM;
+		goto out_ida_remove;
 	}
 
-	cdev->id = result;
-	strlcpy(cdev->type, type ? : "", sizeof(cdev->type));
 	mutex_init(&cdev->lock);
 	INIT_LIST_HEAD(&cdev->thermal_instances);
 	cdev->np = np;
@@ -990,12 +972,9 @@ __thermal_cooling_device_register(struct device_node *np,
 	cdev->devdata = devdata;
 	thermal_cooling_device_setup_sysfs(cdev);
 	dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
-	result = device_register(&cdev->device);
-	if (result) {
-		ida_simple_remove(&thermal_cdev_ida, cdev->id);
-		put_device(&cdev->device);
-		return ERR_PTR(result);
-	}
+	ret = device_register(&cdev->device);
+	if (ret)
+		goto out_kfree_type;
 
 	/* Add 'this' new cdev to the global cdev list */
 	mutex_lock(&thermal_list_lock);
@@ -1013,6 +992,15 @@ __thermal_cooling_device_register(struct device_node *np,
 	mutex_unlock(&thermal_list_lock);
 
 	return cdev;
+
+out_kfree_type:
+	kfree(cdev->type);
+	put_device(&cdev->device);
+out_ida_remove:
+	ida_simple_remove(&thermal_cdev_ida, cdev->id);
+out_kfree_cdev:
+	kfree(cdev);
+	return ERR_PTR(ret);
 }
 
 /**
@@ -1171,6 +1159,7 @@ void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev)
 	ida_simple_remove(&thermal_cdev_ida, cdev->id);
 	device_del(&cdev->device);
 	thermal_cooling_device_destroy_sysfs(cdev);
+	kfree(cdev->type);
 	put_device(&cdev->device);
 }
 EXPORT_SYMBOL_GPL(thermal_cooling_device_unregister);

drivers/thermal/thermal_core.h

@@ -66,6 +66,7 @@ static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
 }
 
 void thermal_cdev_update(struct thermal_cooling_device *);
+void __thermal_cdev_update(struct thermal_cooling_device *cdev);
 
 /**
  * struct thermal_trip - representation of a point in temperature domain

drivers/thermal/thermal_helpers.c

@@ -192,18 +192,11 @@ static void thermal_cdev_set_cur_state(struct thermal_cooling_device *cdev,
 	thermal_cooling_device_stats_update(cdev, target);
 }
 
-void thermal_cdev_update(struct thermal_cooling_device *cdev)
+void __thermal_cdev_update(struct thermal_cooling_device *cdev)
 {
 	struct thermal_instance *instance;
 	unsigned long target = 0;
 
-	mutex_lock(&cdev->lock);
-	/* cooling device is updated*/
-	if (cdev->updated) {
-		mutex_unlock(&cdev->lock);
-		return;
-	}
-
 	/* Make sure cdev enters the deepest cooling state */
 	list_for_each_entry(instance, &cdev->thermal_instances, cdev_node) {
 		dev_dbg(&cdev->device, "zone%d->target=%lu\n",
@@ -216,11 +209,25 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev)
 
 	thermal_cdev_set_cur_state(cdev, target);
 
-	cdev->updated = true;
-	mutex_unlock(&cdev->lock);
 	trace_cdev_update(cdev, target);
 	dev_dbg(&cdev->device, "set to state %lu\n", target);
 }
+
+/**
+ * thermal_cdev_update - update cooling device state if needed
+ * @cdev:	pointer to struct thermal_cooling_device
+ *
+ * Update the cooling device state if there is a need.
+ */
+void thermal_cdev_update(struct thermal_cooling_device *cdev)
+{
+	mutex_lock(&cdev->lock);
+	if (!cdev->updated) {
+		__thermal_cdev_update(cdev);
+		cdev->updated = true;
+	}
+	mutex_unlock(&cdev->lock);
+}
 EXPORT_SYMBOL(thermal_cdev_update);
 
 /**

drivers/thermal/thermal_mmio.c

@@ -54,11 +54,8 @@ static int thermal_mmio_probe(struct platform_device *pdev)
 
 	resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	sensor->mmio_base = devm_ioremap_resource(&pdev->dev, resource);
-	if (IS_ERR(sensor->mmio_base)) {
-		dev_err(&pdev->dev, "failed to ioremap memory (%ld)\n",
-			PTR_ERR(sensor->mmio_base));
+	if (IS_ERR(sensor->mmio_base))
 		return PTR_ERR(sensor->mmio_base);
-	}
 
 	sensor_init_func = device_get_match_data(&pdev->dev);
 	if (sensor_init_func) {

drivers/thermal/thermal_of.c

@@ -704,14 +704,17 @@ static int thermal_of_populate_bind_params(struct device_node *np,
 
 	count = of_count_phandle_with_args(np, "cooling-device",
 					   "#cooling-cells");
-	if (!count) {
+	if (count <= 0) {
 		pr_err("Add a cooling_device property with at least one device\n");
+		ret = -ENOENT;
 		goto end;
 	}
 
 	__tcbp = kcalloc(count, sizeof(*__tcbp), GFP_KERNEL);
-	if (!__tcbp)
+	if (!__tcbp) {
+		ret = -ENOMEM;
 		goto end;
+	}
 
 	for (i = 0; i < count; i++) {
 		ret = of_parse_phandle_with_args(np, "cooling-device",

drivers/thermal/ti-soc-thermal/ti-bandgap.c

@@ -9,30 +9,29 @@
  *   Eduardo Valentin <eduardo.valentin@ti.com>
  */
 
-#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/cpu_pm.h>
+#include <linux/device.h>
+#include <linux/err.h>
 #include <linux/export.h>
+#include <linux/gpio/consumer.h>
 #include <linux/init.h>
-#include <linux/kernel.h>
 #include <linux/interrupt.h>
-#include <linux/clk.h>
-#include <linux/gpio/consumer.h>
-#include <linux/platform_device.h>
-#include <linux/err.h>
-#include <linux/types.h>
-#include <linux/spinlock.h>
-#include <linux/sys_soc.h>
-#include <linux/reboot.h>
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
-#include <linux/of_irq.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
-#include <linux/cpu_pm.h>
-#include <linux/device.h>
-#include <linux/pm_runtime.h>
-#include <linux/pm.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+#include <linux/reboot.h>
+#include <linux/spinlock.h>
+#include <linux/sys_soc.h>
+#include <linux/types.h>
 
 #include "ti-bandgap.h"
 
@@ -1143,14 +1142,10 @@ static int ti_bandgap_restore_ctxt(struct ti_bandgap *bgp)
 	for (i = 0; i < bgp->conf->sensor_count; i++) {
 		struct temp_sensor_registers *tsr;
 		struct temp_sensor_regval *rval;
-		u32 val = 0;
 
 		rval = &bgp->regval[i];
 		tsr = bgp->conf->sensors[i].registers;
 
-		if (TI_BANDGAP_HAS(bgp, COUNTER))
-			val = ti_bandgap_readl(bgp, tsr->bgap_counter);
-
 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))
 			ti_bandgap_writel(bgp, rval->tshut_threshold,
 					  tsr->tshut_threshold);

include/linux/thermal.h

@@ -91,7 +91,7 @@ struct thermal_cooling_device_ops {
 
 struct thermal_cooling_device {
 	int id;
-	char type[THERMAL_NAME_LENGTH];
+	char *type;
 	struct device device;
 	struct device_node *np;
 	void *devdata;
@@ -390,7 +390,6 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
 int thermal_zone_get_slope(struct thermal_zone_device *tz);
 int thermal_zone_get_offset(struct thermal_zone_device *tz);
 
-void thermal_notify_framework(struct thermal_zone_device *, int);
 int thermal_zone_device_enable(struct thermal_zone_device *tz);
 int thermal_zone_device_disable(struct thermal_zone_device *tz);
 void thermal_zone_device_critical(struct thermal_zone_device *tz);
@@ -436,10 +435,6 @@ static inline int thermal_zone_get_offset(
 		struct thermal_zone_device *tz)
 { return -ENODEV; }
 
-static inline void thermal_notify_framework(struct thermal_zone_device *tz,
-	int trip)
-{ }
-
 static inline int thermal_zone_device_enable(struct thermal_zone_device *tz)
 { return -ENODEV; }
 

include/uapi/linux/thermal.h

@@ -60,7 +60,7 @@ enum thermal_genl_event {
 	THERMAL_GENL_EVENT_UNSPEC,
 	THERMAL_GENL_EVENT_TZ_CREATE,		/* Thermal zone creation */
 	THERMAL_GENL_EVENT_TZ_DELETE,		/* Thermal zone deletion */
-	THERMAL_GENL_EVENT_TZ_DISABLE,		/* Thermal zone disabed */
+	THERMAL_GENL_EVENT_TZ_DISABLE,		/* Thermal zone disabled */
 	THERMAL_GENL_EVENT_TZ_ENABLE,		/* Thermal zone enabled */
 	THERMAL_GENL_EVENT_TZ_TRIP_UP,		/* Trip point crossed the way up */
 	THERMAL_GENL_EVENT_TZ_TRIP_DOWN,	/* Trip point crossed the way down */