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
  ...

1 files changed, 8 insertions, 17 deletions

diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index fed3121ff2a1..3a788ac4f525 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/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);