diff options
Diffstat (limited to 'drivers/thermal')
-rw-r--r-- | drivers/thermal/Kconfig | 8 | ||||
-rw-r--r-- | drivers/thermal/Makefile | 1 | ||||
-rw-r--r-- | drivers/thermal/cpu_cooling.c | 73 | ||||
-rw-r--r-- | drivers/thermal/hisi_thermal.c | 1 | ||||
-rw-r--r-- | drivers/thermal/intel_pch_thermal.c | 286 | ||||
-rw-r--r-- | drivers/thermal/intel_powerclamp.c | 3 | ||||
-rw-r--r-- | drivers/thermal/power_allocator.c | 35 | ||||
-rw-r--r-- | drivers/thermal/samsung/Kconfig | 2 | ||||
-rw-r--r-- | drivers/thermal/samsung/exynos_tmu.c | 5 | ||||
-rw-r--r-- | drivers/thermal/thermal_core.c | 1 |
10 files changed, 366 insertions, 49 deletions
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 118938ee8552..039004400987 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -340,6 +340,14 @@ config ACPI_THERMAL_REL tristate depends on ACPI +config INTEL_PCH_THERMAL + tristate "Intel PCH Thermal Reporting Driver" + depends on X86 && PCI + help + Enable this to support thermal reporting on certain intel PCHs. + Thermal reporting device will provide temperature reading, + programmable trip points and other information. + menu "Texas Instruments thermal drivers" source "drivers/thermal/ti-soc-thermal/Kconfig" endmenu diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 535dfee1496f..26f160809959 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_INTEL_SOC_DTS_THERMAL) += intel_soc_dts_thermal.o obj-$(CONFIG_INTEL_QUARK_DTS_THERMAL) += intel_quark_dts_thermal.o obj-$(CONFIG_TI_SOC_THERMAL) += ti-soc-thermal/ obj-$(CONFIG_INT340X_THERMAL) += int340x_thermal/ +obj-$(CONFIG_INTEL_PCH_THERMAL) += intel_pch_thermal.o obj-$(CONFIG_ST_THERMAL) += st/ obj-$(CONFIG_TEGRA_SOCTHERM) += tegra_soctherm.o obj-$(CONFIG_HISI_THERMAL) += hisi_thermal.o diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 6509c61b9648..620dcd405ff6 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -68,7 +68,7 @@ struct power_table { * registered cooling device. * @cpufreq_state: integer value representing the current state of cpufreq * cooling devices. - * @cpufreq_val: integer value representing the absolute value of the clipped + * @clipped_freq: integer value representing the absolute value of the clipped * frequency. * @max_level: maximum cooling level. One less than total number of valid * cpufreq frequencies. @@ -91,7 +91,7 @@ struct cpufreq_cooling_device { int id; struct thermal_cooling_device *cool_dev; unsigned int cpufreq_state; - unsigned int cpufreq_val; + unsigned int clipped_freq; unsigned int max_level; unsigned int *freq_table; /* In descending order */ struct cpumask allowed_cpus; @@ -107,6 +107,9 @@ struct cpufreq_cooling_device { static DEFINE_IDR(cpufreq_idr); static DEFINE_MUTEX(cooling_cpufreq_lock); +static unsigned int cpufreq_dev_count; + +static DEFINE_MUTEX(cooling_list_lock); static LIST_HEAD(cpufreq_dev_list); /** @@ -185,14 +188,14 @@ unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) { struct cpufreq_cooling_device *cpufreq_dev; - mutex_lock(&cooling_cpufreq_lock); + mutex_lock(&cooling_list_lock); list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { if (cpumask_test_cpu(cpu, &cpufreq_dev->allowed_cpus)) { - mutex_unlock(&cooling_cpufreq_lock); + mutex_unlock(&cooling_list_lock); return get_level(cpufreq_dev, freq); } } - mutex_unlock(&cooling_cpufreq_lock); + mutex_unlock(&cooling_list_lock); pr_err("%s: cpu:%d not part of any cooling device\n", __func__, cpu); return THERMAL_CSTATE_INVALID; @@ -215,29 +218,35 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb, unsigned long event, void *data) { struct cpufreq_policy *policy = data; - unsigned long max_freq = 0; + unsigned long clipped_freq; struct cpufreq_cooling_device *cpufreq_dev; - switch (event) { + if (event != CPUFREQ_ADJUST) + return NOTIFY_DONE; - case CPUFREQ_ADJUST: - mutex_lock(&cooling_cpufreq_lock); - list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { - if (!cpumask_test_cpu(policy->cpu, - &cpufreq_dev->allowed_cpus)) - continue; + mutex_lock(&cooling_list_lock); + list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { + if (!cpumask_test_cpu(policy->cpu, &cpufreq_dev->allowed_cpus)) + continue; - max_freq = cpufreq_dev->cpufreq_val; + /* + * policy->max is the maximum allowed frequency defined by user + * and clipped_freq is the maximum that thermal constraints + * allow. + * + * If clipped_freq is lower than policy->max, then we need to + * readjust policy->max. + * + * But, if clipped_freq is greater than policy->max, we don't + * need to do anything. + */ + clipped_freq = cpufreq_dev->clipped_freq; - if (policy->max != max_freq) - cpufreq_verify_within_limits(policy, 0, - max_freq); - } - mutex_unlock(&cooling_cpufreq_lock); + if (policy->max > clipped_freq) + cpufreq_verify_within_limits(policy, 0, clipped_freq); break; - default: - return NOTIFY_DONE; } + mutex_unlock(&cooling_list_lock); return NOTIFY_OK; } @@ -519,7 +528,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev, clip_freq = cpufreq_device->freq_table[state]; cpufreq_device->cpufreq_state = state; - cpufreq_device->cpufreq_val = clip_freq; + cpufreq_device->clipped_freq = clip_freq; cpufreq_update_policy(cpu); @@ -861,17 +870,19 @@ __cpufreq_cooling_register(struct device_node *np, pr_debug("%s: freq:%u KHz\n", __func__, freq); } - cpufreq_dev->cpufreq_val = cpufreq_dev->freq_table[0]; + cpufreq_dev->clipped_freq = cpufreq_dev->freq_table[0]; cpufreq_dev->cool_dev = cool_dev; mutex_lock(&cooling_cpufreq_lock); + mutex_lock(&cooling_list_lock); + list_add(&cpufreq_dev->node, &cpufreq_dev_list); + mutex_unlock(&cooling_list_lock); + /* Register the notifier for first cpufreq cooling device */ - if (list_empty(&cpufreq_dev_list)) + if (!cpufreq_dev_count++) cpufreq_register_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); - list_add(&cpufreq_dev->node, &cpufreq_dev_list); - mutex_unlock(&cooling_cpufreq_lock); return cool_dev; @@ -1013,13 +1024,17 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) return; cpufreq_dev = cdev->devdata; - mutex_lock(&cooling_cpufreq_lock); - list_del(&cpufreq_dev->node); /* Unregister the notifier for the last cpufreq cooling device */ - if (list_empty(&cpufreq_dev_list)) + mutex_lock(&cooling_cpufreq_lock); + if (!--cpufreq_dev_count) cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); + + mutex_lock(&cooling_list_lock); + list_del(&cpufreq_dev->node); + mutex_unlock(&cooling_list_lock); + mutex_unlock(&cooling_cpufreq_lock); thermal_cooling_device_unregister(cpufreq_dev->cool_dev); diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index 49aa068d1603..36d07295f8e3 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -405,7 +405,6 @@ static SIMPLE_DEV_PM_OPS(hisi_thermal_pm_ops, static struct platform_driver hisi_thermal_driver = { .driver = { .name = "hisi_thermal", - .owner = THIS_MODULE, .pm = &hisi_thermal_pm_ops, .of_match_table = of_hisi_thermal_match, }, diff --git a/drivers/thermal/intel_pch_thermal.c b/drivers/thermal/intel_pch_thermal.c new file mode 100644 index 000000000000..1650a62484bd --- /dev/null +++ b/drivers/thermal/intel_pch_thermal.c @@ -0,0 +1,286 @@ +/* intel_pch_thermal.c - Intel PCH Thermal driver + * + * Copyright (c) 2015, Intel Corporation. + * + * Authors: + * Tushar Dave <tushar.n.dave@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/thermal.h> + +/* Intel PCH thermal Device IDs */ +#define PCH_THERMAL_DID_WPT 0x9CA4 /* Wildcat Point */ + +/* Wildcat Point-LP PCH Thermal registers */ +#define WPT_TEMP 0x0000 /* Temperature */ +#define WPT_TSC 0x04 /* Thermal Sensor Control */ +#define WPT_TSS 0x06 /* Thermal Sensor Status */ +#define WPT_TSEL 0x08 /* Thermal Sensor Enable and Lock */ +#define WPT_TSREL 0x0A /* Thermal Sensor Report Enable and Lock */ +#define WPT_TSMIC 0x0C /* Thermal Sensor SMI Control */ +#define WPT_CTT 0x0010 /* Catastrophic Trip Point */ +#define WPT_TAHV 0x0014 /* Thermal Alert High Value */ +#define WPT_TALV 0x0018 /* Thermal Alert Low Value */ +#define WPT_TL 0x00000040 /* Throttle Value */ +#define WPT_PHL 0x0060 /* PCH Hot Level */ +#define WPT_PHLC 0x62 /* PHL Control */ +#define WPT_TAS 0x80 /* Thermal Alert Status */ +#define WPT_TSPIEN 0x82 /* PCI Interrupt Event Enables */ +#define WPT_TSGPEN 0x84 /* General Purpose Event Enables */ + +/* Wildcat Point-LP PCH Thermal Register bit definitions */ +#define WPT_TEMP_TSR 0x00ff /* Temp TS Reading */ +#define WPT_TSC_CPDE 0x01 /* Catastrophic Power-Down Enable */ +#define WPT_TSS_TSDSS 0x10 /* Thermal Sensor Dynamic Shutdown Status */ +#define WPT_TSS_GPES 0x08 /* GPE status */ +#define WPT_TSEL_ETS 0x01 /* Enable TS */ +#define WPT_TSEL_PLDB 0x80 /* TSEL Policy Lock-Down Bit */ +#define WPT_TL_TOL 0x000001FF /* T0 Level */ +#define WPT_TL_T1L 0x1ff00000 /* T1 Level */ +#define WPT_TL_TTEN 0x20000000 /* TT Enable */ + +static char driver_name[] = "Intel PCH thermal driver"; + +struct pch_thermal_device { + void __iomem *hw_base; + const struct pch_dev_ops *ops; + struct pci_dev *pdev; + struct thermal_zone_device *tzd; + int crt_trip_id; + unsigned long crt_temp; + int hot_trip_id; + unsigned long hot_temp; +}; + +static int pch_wpt_init(struct pch_thermal_device *ptd, int *nr_trips) +{ + u8 tsel; + u16 trip_temp; + + *nr_trips = 0; + + /* Check if BIOS has already enabled thermal sensor */ + if (WPT_TSS_TSDSS & readb(ptd->hw_base + WPT_TSS)) + goto read_trips; + + tsel = readb(ptd->hw_base + WPT_TSEL); + /* + * When TSEL's Policy Lock-Down bit is 1, TSEL become RO. + * If so, thermal sensor cannot enable. Bail out. + */ + if (tsel & WPT_TSEL_PLDB) { + dev_err(&ptd->pdev->dev, "Sensor can't be enabled\n"); + return -ENODEV; + } + + writeb(tsel|WPT_TSEL_ETS, ptd->hw_base + WPT_TSEL); + if (!(WPT_TSS_TSDSS & readb(ptd->hw_base + WPT_TSS))) { + dev_err(&ptd->pdev->dev, "Sensor can't be enabled\n"); + return -ENODEV; + } + +read_trips: + ptd->crt_trip_id = -1; + trip_temp = readw(ptd->hw_base + WPT_CTT); + trip_temp &= 0x1FF; + if (trip_temp) { + /* Resolution of 1/2 degree C and an offset of -50C */ + ptd->crt_temp = trip_temp * 1000 / 2 - 50000; + ptd->crt_trip_id = 0; + ++(*nr_trips); + } + + ptd->hot_trip_id = -1; + trip_temp = readw(ptd->hw_base + WPT_PHL); + trip_temp &= 0x1FF; + if (trip_temp) { + /* Resolution of 1/2 degree C and an offset of -50C */ + ptd->hot_temp = trip_temp * 1000 / 2 - 50000; + ptd->hot_trip_id = *nr_trips; + ++(*nr_trips); + } + + return 0; +} + +static int pch_wpt_get_temp(struct pch_thermal_device *ptd, + unsigned long *temp) +{ + u8 wpt_temp; + + wpt_temp = WPT_TEMP_TSR & readl(ptd->hw_base + WPT_TEMP); + + /* Resolution of 1/2 degree C and an offset of -50C */ + *temp = (wpt_temp * 1000 / 2 - 50000); + + return 0; +} + +struct pch_dev_ops { + int (*hw_init)(struct pch_thermal_device *ptd, int *nr_trips); + int (*get_temp)(struct pch_thermal_device *ptd, unsigned long *temp); +}; + + +/* dev ops for Wildcat Point */ +static struct pch_dev_ops pch_dev_ops_wpt = { + .hw_init = pch_wpt_init, + .get_temp = pch_wpt_get_temp, +}; + +static int pch_thermal_get_temp(struct thermal_zone_device *tzd, + unsigned long *temp) +{ + struct pch_thermal_device *ptd = tzd->devdata; + + return ptd->ops->get_temp(ptd, temp); +} + +static int pch_get_trip_type(struct thermal_zone_device *tzd, int trip, + enum thermal_trip_type *type) +{ + struct pch_thermal_device *ptd = tzd->devdata; + + if (ptd->crt_trip_id == trip) + *type = THERMAL_TRIP_CRITICAL; + else if (ptd->hot_trip_id == trip) + *type = THERMAL_TRIP_HOT; + else + return -EINVAL; + + return 0; +} + +static int pch_get_trip_temp(struct thermal_zone_device *tzd, int trip, + unsigned long *temp) +{ + struct pch_thermal_device *ptd = tzd->devdata; + + if (ptd->crt_trip_id == trip) + *temp = ptd->crt_temp; + else if (ptd->hot_trip_id == trip) + *temp = ptd->hot_temp; + else + return -EINVAL; + + return 0; +} + +static struct thermal_zone_device_ops tzd_ops = { + .get_temp = pch_thermal_get_temp, + .get_trip_type = pch_get_trip_type, + .get_trip_temp = pch_get_trip_temp, +}; + + +static int intel_pch_thermal_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct pch_thermal_device *ptd; + int err; + int nr_trips; + char *dev_name; + + ptd = devm_kzalloc(&pdev->dev, sizeof(*ptd), GFP_KERNEL); + if (!ptd) + return -ENOMEM; + + switch (pdev->device) { + case PCH_THERMAL_DID_WPT: + ptd->ops = &pch_dev_ops_wpt; + dev_name = "pch_wildcat_point"; + break; + default: + dev_err(&pdev->dev, "unknown pch thermal device\n"); + return -ENODEV; + } + + pci_set_drvdata(pdev, ptd); + ptd->pdev = pdev; + + err = pci_enable_device(pdev); + if (err) { + dev_err(&pdev->dev, "failed to enable pci device\n"); + return err; + } + + err = pci_request_regions(pdev, driver_name); + if (err) { + dev_err(&pdev->dev, "failed to request pci region\n"); + goto error_disable; + } + + ptd->hw_base = pci_ioremap_bar(pdev, 0); + if (!ptd->hw_base) { + err = -ENOMEM; + dev_err(&pdev->dev, "failed to map mem base\n"); + goto error_release; + } + + err = ptd->ops->hw_init(ptd, &nr_trips); + if (err) + goto error_cleanup; + + ptd->tzd = thermal_zone_device_register(dev_name, nr_trips, 0, ptd, + &tzd_ops, NULL, 0, 0); + if (IS_ERR(ptd->tzd)) { + dev_err(&pdev->dev, "Failed to register thermal zone %s\n", + dev_name); + err = PTR_ERR(ptd->tzd); + goto error_cleanup; + } + + return 0; + +error_cleanup: + iounmap(ptd->hw_base); +error_release: + pci_release_regions(pdev); +error_disable: + pci_disable_device(pdev); + dev_err(&pdev->dev, "pci device failed to probe\n"); + return err; +} + +static void intel_pch_thermal_remove(struct pci_dev *pdev) +{ + struct pch_thermal_device *ptd = pci_get_drvdata(pdev); + + thermal_zone_device_unregister(ptd->tzd); + iounmap(ptd->hw_base); + pci_set_drvdata(pdev, NULL); + pci_release_region(pdev, 0); + pci_disable_device(pdev); +} + +static struct pci_device_id intel_pch_thermal_id[] = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCH_THERMAL_DID_WPT) }, + { 0, }, +}; +MODULE_DEVICE_TABLE(pci, intel_pch_thermal_id); + +static struct pci_driver intel_pch_thermal_driver = { + .name = "intel_pch_thermal", + .id_table = intel_pch_thermal_id, + .probe = intel_pch_thermal_probe, + .remove = intel_pch_thermal_remove, +}; + +module_pci_driver(intel_pch_thermal_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Intel PCH Thermal driver"); diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c index 5820e8513927..a42e8a39f808 100644 --- a/drivers/thermal/intel_powerclamp.c +++ b/drivers/thermal/intel_powerclamp.c @@ -693,11 +693,14 @@ static const struct x86_cpu_id intel_powerclamp_ids[] __initconst = { { X86_VENDOR_INTEL, 6, 0x3f}, { X86_VENDOR_INTEL, 6, 0x45}, { X86_VENDOR_INTEL, 6, 0x46}, + { X86_VENDOR_INTEL, 6, 0x47}, { X86_VENDOR_INTEL, 6, 0x4c}, { X86_VENDOR_INTEL, 6, 0x4d}, + { X86_VENDOR_INTEL, 6, 0x4e}, { X86_VENDOR_INTEL, 6, 0x4f}, { X86_VENDOR_INTEL, 6, 0x56}, { X86_VENDOR_INTEL, 6, 0x57}, + { X86_VENDOR_INTEL, 6, 0x5e}, {} }; MODULE_DEVICE_TABLE(x86cpu, intel_powerclamp_ids); diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 045aea59ce9d..9c8a7aad0252 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -229,7 +229,8 @@ static int allocate_power(struct thermal_zone_device *tz, struct thermal_instance *instance; struct power_allocator_params *params = tz->governor_data; u32 *req_power, *max_power, *granted_power, *extra_actor_power; - u32 total_req_power, max_allocatable_power; + u32 *weighted_req_power; + u32 total_req_power, max_allocatable_power, total_weighted_req_power; u32 total_granted_power, power_range; int i, num_actors, total_weight, ret = 0; int trip_max_desired_temperature = params->trip_max_desired_temperature; @@ -247,17 +248,17 @@ static int allocate_power(struct thermal_zone_device *tz, } /* - * We need to allocate three arrays of the same size: - * req_power, max_power and granted_power. They are going to - * be needed until this function returns. Allocate them all - * in one go to simplify the allocation and deallocation - * logic. + * We need to allocate five arrays of the same size: + * req_power, max_power, granted_power, extra_actor_power and + * weighted_req_power. They are going to be needed until this + * function returns. Allocate them all in one go to simplify + * the allocation and deallocation logic. */ BUILD_BUG_ON(sizeof(*req_power) != sizeof(*max_power)); BUILD_BUG_ON(sizeof(*req_power) != sizeof(*granted_power)); BUILD_BUG_ON(sizeof(*req_power) != sizeof(*extra_actor_power)); - req_power = devm_kcalloc(&tz->device, num_actors * 4, - sizeof(*req_power), GFP_KERNEL); + BUILD_BUG_ON(sizeof(*req_power) != sizeof(*weighted_req_power)); + req_power = kcalloc(num_actors * 5, sizeof(*req_power), GFP_KERNEL); if (!req_power) { ret = -ENOMEM; goto unlock; @@ -266,8 +267,10 @@ static int allocate_power(struct thermal_zone_device *tz, max_power = &req_power[num_actors]; granted_power = &req_power[2 * num_actors]; extra_actor_power = &req_power[3 * num_actors]; + weighted_req_power = &req_power[4 * num_actors]; i = 0; + total_weighted_req_power = 0; total_req_power = 0; max_allocatable_power = 0; @@ -289,13 +292,14 @@ static int allocate_power(struct thermal_zone_device *tz, else weight = instance->weight; - req_power[i] = frac_to_int(weight * req_power[i]); + weighted_req_power[i] = frac_to_int(weight * req_power[i]); if (power_actor_get_max_power(cdev, tz, &max_power[i])) continue; total_req_power += req_power[i]; max_allocatable_power += max_power[i]; + total_weighted_req_power += weighted_req_power[i]; i++; } @@ -303,8 +307,9 @@ static int allocate_power(struct thermal_zone_device *tz, power_range = pid_controller(tz, current_temp, control_temp, max_allocatable_power); - divvy_up_power(req_power, max_power, num_actors, total_req_power, - power_range, granted_power, extra_actor_power); + divvy_up_power(weighted_req_power, max_power, num_actors, + total_weighted_req_power, power_range, granted_power, + extra_actor_power); total_granted_power = 0; i = 0; @@ -328,7 +333,7 @@ static int allocate_power(struct thermal_zone_device *tz, max_allocatable_power, current_temp, control_temp - current_temp); - devm_kfree(&tz->device, req_power); + kfree(req_power); unlock: mutex_unlock(&tz->lock); @@ -420,7 +425,7 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return -EINVAL; } - params = devm_kzalloc(&tz->device, sizeof(*params), GFP_KERNEL); + params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; @@ -462,14 +467,14 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return 0; free: - devm_kfree(&tz->device, params); + kfree(params); return ret; } static void power_allocator_unbind(struct thermal_zone_device *tz) { dev_dbg(&tz->device, "Unbinding from thermal zone %d\n", tz->id); - devm_kfree(&tz->device, tz->governor_data); + kfree(tz->governor_data); tz->governor_data = NULL; } diff --git a/drivers/thermal/samsung/Kconfig b/drivers/thermal/samsung/Kconfig index c8e35c1a43dc..e0da3865e060 100644 --- a/drivers/thermal/samsung/Kconfig +++ b/drivers/thermal/samsung/Kconfig @@ -1,6 +1,6 @@ config EXYNOS_THERMAL tristate "Exynos thermal management unit driver" - depends on OF + depends on THERMAL_OF help If you say yes here you get support for the TMU (Thermal Management Unit) driver for SAMSUNG EXYNOS series of SoCs. This driver initialises diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 9ec29a33aeea..0bae8cc6c23a 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -1295,7 +1295,6 @@ static struct thermal_zone_of_device_ops exynos_sensor_ops = { static int exynos_tmu_probe(struct platform_device *pdev) { - struct exynos_tmu_platform_data *pdata; struct exynos_tmu_data *data; int ret; @@ -1317,8 +1316,6 @@ static int exynos_tmu_probe(struct platform_device *pdev) if (ret) goto err_sensor; - pdata = data->pdata; - INIT_WORK(&data->irq_work, exynos_tmu_work); data->clk = devm_clk_get(&pdev->dev, "tmu_apbif"); @@ -1391,6 +1388,8 @@ err_clk_sec: if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); err_sensor: + if (!IS_ERR_OR_NULL(data->regulator)) + regulator_disable(data->regulator); thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd); return ret; diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 6a707789746b..5e5fc7015c7f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1350,6 +1350,7 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, return -ENODEV; unbind: + device_remove_file(&tz->device, &pos->weight_attr); device_remove_file(&tz->device, &pos->attr); sysfs_remove_link(&tz->device.kobj, pos->name); release_idr(&tz->idr, &tz->lock, pos->id); |