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-rw-r--r--drivers/thermal/clock_cooling.c1
-rw-r--r--drivers/thermal/cpu_cooling.c45
-rw-r--r--drivers/thermal/fair_share.c2
-rw-r--r--drivers/thermal/gov_bang_bang.c2
-rw-r--r--drivers/thermal/imx_thermal.c4
-rw-r--r--drivers/thermal/int340x_thermal/int3406_thermal.c1
-rw-r--r--drivers/thermal/intel_pch_thermal.c60
-rw-r--r--drivers/thermal/intel_powerclamp.c11
-rw-r--r--drivers/thermal/intel_soc_dts_thermal.c4
-rw-r--r--drivers/thermal/power_allocator.c2
-rw-r--r--drivers/thermal/rcar_thermal.c1
-rw-r--r--drivers/thermal/step_wise.c2
-rw-r--r--drivers/thermal/thermal_core.c10
-rw-r--r--drivers/thermal/thermal_hwmon.c2
14 files changed, 124 insertions, 23 deletions
diff --git a/drivers/thermal/clock_cooling.c b/drivers/thermal/clock_cooling.c
index 1b4ff0f4c..ed5dd0e88 100644
--- a/drivers/thermal/clock_cooling.c
+++ b/drivers/thermal/clock_cooling.c
@@ -426,6 +426,7 @@ clock_cooling_register(struct device *dev, const char *clock_name)
if (!ccdev)
return ERR_PTR(-ENOMEM);
+ mutex_init(&ccdev->lock);
ccdev->dev = dev;
ccdev->clk = devm_clk_get(dev, clock_name);
if (IS_ERR(ccdev->clk))
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 5b4b47ed9..a32b41783 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -740,12 +740,22 @@ static int cpufreq_power2state(struct thermal_cooling_device *cdev,
}
/* Bind cpufreq callbacks to thermal cooling device ops */
+
static struct thermal_cooling_device_ops cpufreq_cooling_ops = {
.get_max_state = cpufreq_get_max_state,
.get_cur_state = cpufreq_get_cur_state,
.set_cur_state = cpufreq_set_cur_state,
};
+static struct thermal_cooling_device_ops cpufreq_power_cooling_ops = {
+ .get_max_state = cpufreq_get_max_state,
+ .get_cur_state = cpufreq_get_cur_state,
+ .set_cur_state = cpufreq_set_cur_state,
+ .get_requested_power = cpufreq_get_requested_power,
+ .state2power = cpufreq_state2power,
+ .power2state = cpufreq_power2state,
+};
+
/* Notifier for cpufreq policy change */
static struct notifier_block thermal_cpufreq_notifier_block = {
.notifier_call = cpufreq_thermal_notifier,
@@ -787,22 +797,35 @@ __cpufreq_cooling_register(struct device_node *np,
const struct cpumask *clip_cpus, u32 capacitance,
get_static_t plat_static_func)
{
+ struct cpufreq_policy *policy;
struct thermal_cooling_device *cool_dev;
struct cpufreq_cooling_device *cpufreq_dev;
char dev_name[THERMAL_NAME_LENGTH];
struct cpufreq_frequency_table *pos, *table;
+ struct cpumask temp_mask;
unsigned int freq, i, num_cpus;
int ret;
+ struct thermal_cooling_device_ops *cooling_ops;
+
+ cpumask_and(&temp_mask, clip_cpus, cpu_online_mask);
+ policy = cpufreq_cpu_get(cpumask_first(&temp_mask));
+ if (!policy) {
+ pr_debug("%s: CPUFreq policy not found\n", __func__);
+ return ERR_PTR(-EPROBE_DEFER);
+ }
- table = cpufreq_frequency_get_table(cpumask_first(clip_cpus));
+ table = policy->freq_table;
if (!table) {
pr_debug("%s: CPUFreq table not found\n", __func__);
- return ERR_PTR(-EPROBE_DEFER);
+ cool_dev = ERR_PTR(-ENODEV);
+ goto put_policy;
}
cpufreq_dev = kzalloc(sizeof(*cpufreq_dev), GFP_KERNEL);
- if (!cpufreq_dev)
- return ERR_PTR(-ENOMEM);
+ if (!cpufreq_dev) {
+ cool_dev = ERR_PTR(-ENOMEM);
+ goto put_policy;
+ }
num_cpus = cpumask_weight(clip_cpus);
cpufreq_dev->time_in_idle = kcalloc(num_cpus,
@@ -838,10 +861,6 @@ __cpufreq_cooling_register(struct device_node *np,
cpumask_copy(&cpufreq_dev->allowed_cpus, clip_cpus);
if (capacitance) {
- cpufreq_cooling_ops.get_requested_power =
- cpufreq_get_requested_power;
- cpufreq_cooling_ops.state2power = cpufreq_state2power;
- cpufreq_cooling_ops.power2state = cpufreq_power2state;
cpufreq_dev->plat_get_static_power = plat_static_func;
ret = build_dyn_power_table(cpufreq_dev, capacitance);
@@ -849,6 +868,10 @@ __cpufreq_cooling_register(struct device_node *np,
cool_dev = ERR_PTR(ret);
goto free_table;
}
+
+ cooling_ops = &cpufreq_power_cooling_ops;
+ } else {
+ cooling_ops = &cpufreq_cooling_ops;
}
ret = get_idr(&cpufreq_idr, &cpufreq_dev->id);
@@ -873,7 +896,7 @@ __cpufreq_cooling_register(struct device_node *np,
cpufreq_dev->id);
cool_dev = thermal_of_cooling_device_register(np, dev_name, cpufreq_dev,
- &cpufreq_cooling_ops);
+ cooling_ops);
if (IS_ERR(cool_dev))
goto remove_idr;
@@ -892,7 +915,7 @@ __cpufreq_cooling_register(struct device_node *np,
CPUFREQ_POLICY_NOTIFIER);
mutex_unlock(&cooling_cpufreq_lock);
- return cool_dev;
+ goto put_policy;
remove_idr:
release_idr(&cpufreq_idr, cpufreq_dev->id);
@@ -906,6 +929,8 @@ free_time_in_idle:
kfree(cpufreq_dev->time_in_idle);
free_cdev:
kfree(cpufreq_dev);
+put_policy:
+ cpufreq_cpu_put(policy);
return cool_dev;
}
diff --git a/drivers/thermal/fair_share.c b/drivers/thermal/fair_share.c
index 34fe36504..68bd1b569 100644
--- a/drivers/thermal/fair_share.c
+++ b/drivers/thermal/fair_share.c
@@ -116,7 +116,9 @@ 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);
}
return 0;
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index fc52016d4..bb118a152 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -71,7 +71,9 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
dev_dbg(&instance->cdev->device, "target=%d\n",
(int)instance->target);
+ mutex_lock(&instance->cdev->lock);
instance->cdev->updated = false; /* cdev needs update */
+ mutex_unlock(&instance->cdev->lock);
}
mutex_unlock(&tz->lock);
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index c5547bd71..e473548b5 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -471,8 +471,6 @@ MODULE_DEVICE_TABLE(of, of_imx_thermal_match);
static int imx_thermal_probe(struct platform_device *pdev)
{
- const struct of_device_id *of_id =
- of_match_device(of_imx_thermal_match, &pdev->dev);
struct imx_thermal_data *data;
struct regmap *map;
int measure_freq;
@@ -490,7 +488,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
}
data->tempmon = map;
- data->socdata = of_id->data;
+ data->socdata = of_device_get_match_data(&pdev->dev);
/* make sure the IRQ flag is clear before enabling irq on i.MX6SX */
if (data->socdata->version == TEMPMON_IMX6SX) {
diff --git a/drivers/thermal/int340x_thermal/int3406_thermal.c b/drivers/thermal/int340x_thermal/int3406_thermal.c
index a578cd257..1891f34ab 100644
--- a/drivers/thermal/int340x_thermal/int3406_thermal.c
+++ b/drivers/thermal/int340x_thermal/int3406_thermal.c
@@ -225,7 +225,6 @@ static struct platform_driver int3406_thermal_driver = {
.remove = int3406_thermal_remove,
.driver = {
.name = "int3406 thermal",
- .owner = THIS_MODULE,
.acpi_match_table = int3406_thermal_match,
},
};
diff --git a/drivers/thermal/intel_pch_thermal.c b/drivers/thermal/intel_pch_thermal.c
index 6a6ec1c95..9b4815e81 100644
--- a/drivers/thermal/intel_pch_thermal.c
+++ b/drivers/thermal/intel_pch_thermal.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/thermal.h>
+#include <linux/pm.h>
/* Intel PCH thermal Device IDs */
#define PCH_THERMAL_DID_WPT 0x9CA4 /* Wildcat Point */
@@ -65,6 +66,7 @@ struct pch_thermal_device {
unsigned long crt_temp;
int hot_trip_id;
unsigned long hot_temp;
+ bool bios_enabled;
};
static int pch_wpt_init(struct pch_thermal_device *ptd, int *nr_trips)
@@ -75,8 +77,10 @@ static int pch_wpt_init(struct pch_thermal_device *ptd, int *nr_trips)
*nr_trips = 0;
/* Check if BIOS has already enabled thermal sensor */
- if (WPT_TSS_TSDSS & readb(ptd->hw_base + WPT_TSS))
+ if (WPT_TSS_TSDSS & readb(ptd->hw_base + WPT_TSS)) {
+ ptd->bios_enabled = true;
goto read_trips;
+ }
tsel = readb(ptd->hw_base + WPT_TSEL);
/*
@@ -130,9 +134,39 @@ static int pch_wpt_get_temp(struct pch_thermal_device *ptd, int *temp)
return 0;
}
+static int pch_wpt_suspend(struct pch_thermal_device *ptd)
+{
+ u8 tsel;
+
+ if (ptd->bios_enabled)
+ return 0;
+
+ tsel = readb(ptd->hw_base + WPT_TSEL);
+
+ writeb(tsel & 0xFE, ptd->hw_base + WPT_TSEL);
+
+ return 0;
+}
+
+static int pch_wpt_resume(struct pch_thermal_device *ptd)
+{
+ u8 tsel;
+
+ if (ptd->bios_enabled)
+ return 0;
+
+ tsel = readb(ptd->hw_base + WPT_TSEL);
+
+ writeb(tsel | WPT_TSEL_ETS, ptd->hw_base + WPT_TSEL);
+
+ 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, int *temp);
+ int (*suspend)(struct pch_thermal_device *ptd);
+ int (*resume)(struct pch_thermal_device *ptd);
};
@@ -140,6 +174,8 @@ struct pch_dev_ops {
static const struct pch_dev_ops pch_dev_ops_wpt = {
.hw_init = pch_wpt_init,
.get_temp = pch_wpt_get_temp,
+ .suspend = pch_wpt_suspend,
+ .resume = pch_wpt_resume,
};
static int pch_thermal_get_temp(struct thermal_zone_device *tzd, int *temp)
@@ -269,6 +305,22 @@ static void intel_pch_thermal_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}
+static int intel_pch_thermal_suspend(struct device *device)
+{
+ struct pci_dev *pdev = to_pci_dev(device);
+ struct pch_thermal_device *ptd = pci_get_drvdata(pdev);
+
+ return ptd->ops->suspend(ptd);
+}
+
+static int intel_pch_thermal_resume(struct device *device)
+{
+ struct pci_dev *pdev = to_pci_dev(device);
+ struct pch_thermal_device *ptd = pci_get_drvdata(pdev);
+
+ return ptd->ops->resume(ptd);
+}
+
static struct pci_device_id intel_pch_thermal_id[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCH_THERMAL_DID_WPT) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCH_THERMAL_DID_SKL) },
@@ -276,11 +328,17 @@ static struct pci_device_id intel_pch_thermal_id[] = {
};
MODULE_DEVICE_TABLE(pci, intel_pch_thermal_id);
+static const struct dev_pm_ops intel_pch_pm_ops = {
+ .suspend = intel_pch_thermal_suspend,
+ .resume = intel_pch_thermal_resume,
+};
+
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,
+ .driver.pm = &intel_pch_pm_ops,
};
module_pci_driver(intel_pch_thermal_driver);
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index 015ce2eb6..0e4dc0afc 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -388,7 +388,7 @@ static int clamp_thread(void *arg)
int sleeptime;
unsigned long target_jiffies;
unsigned int guard;
- unsigned int compensation = 0;
+ unsigned int compensated_ratio;
int interval; /* jiffies to sleep for each attempt */
unsigned int duration_jiffies = msecs_to_jiffies(duration);
unsigned int window_size_now;
@@ -409,8 +409,11 @@ static int clamp_thread(void *arg)
* c-states, thus we need to compensate the injected idle ratio
* to achieve the actual target reported by the HW.
*/
- compensation = get_compensation(target_ratio);
- interval = duration_jiffies*100/(target_ratio+compensation);
+ compensated_ratio = target_ratio +
+ get_compensation(target_ratio);
+ if (compensated_ratio <= 0)
+ compensated_ratio = 1;
+ interval = duration_jiffies * 100 / compensated_ratio;
/* align idle time */
target_jiffies = roundup(jiffies, interval);
@@ -647,8 +650,8 @@ static int powerclamp_set_cur_state(struct thermal_cooling_device *cdev,
goto exit_set;
} else if (set_target_ratio > 0 && new_target_ratio == 0) {
pr_info("Stop forced idle injection\n");
- set_target_ratio = 0;
end_power_clamp();
+ set_target_ratio = 0;
} else /* adjust currently running */ {
set_target_ratio = new_target_ratio;
/* make new set_target_ratio visible to other cpus */
diff --git a/drivers/thermal/intel_soc_dts_thermal.c b/drivers/thermal/intel_soc_dts_thermal.c
index 4ebb31a35..b2bbaa1c6 100644
--- a/drivers/thermal/intel_soc_dts_thermal.c
+++ b/drivers/thermal/intel_soc_dts_thermal.c
@@ -18,6 +18,7 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <asm/cpu_device_id.h>
+#include <asm/intel-family.h>
#include "intel_soc_dts_iosf.h"
#define CRITICAL_OFFSET_FROM_TJ_MAX 5000
@@ -42,7 +43,8 @@ static irqreturn_t soc_irq_thread_fn(int irq, void *dev_data)
}
static const struct x86_cpu_id soc_thermal_ids[] = {
- { X86_VENDOR_INTEL, X86_FAMILY_ANY, 0x37, 0, BYT_SOC_DTS_APIC_IRQ},
+ { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT1, 0,
+ BYT_SOC_DTS_APIC_IRQ},
{}
};
MODULE_DEVICE_TABLE(x86cpu, soc_thermal_ids);
diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c
index 2f1a863a8..b4d3116cf 100644
--- a/drivers/thermal/power_allocator.c
+++ b/drivers/thermal/power_allocator.c
@@ -529,7 +529,9 @@ static void allow_maximum_power(struct thermal_zone_device *tz)
continue;
instance->target = 0;
+ mutex_lock(&instance->cdev->lock);
instance->cdev->updated = false;
+ mutex_unlock(&instance->cdev->lock);
thermal_cdev_update(instance->cdev);
}
}
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 71a339271..5f817923f 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -504,6 +504,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
if (IS_ERR(priv->zone)) {
dev_err(dev, "can't register thermal zone\n");
ret = PTR_ERR(priv->zone);
+ priv->zone = NULL;
goto error_unregister;
}
diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
index ea9366ad3..bcef2e7c4 100644
--- a/drivers/thermal/step_wise.c
+++ b/drivers/thermal/step_wise.c
@@ -175,7 +175,9 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
update_passive_instance(tz, trip_type, -1);
instance->initialized = true;
+ mutex_lock(&instance->cdev->lock);
instance->cdev->updated = false; /* cdev needs update */
+ mutex_unlock(&instance->cdev->lock);
}
mutex_unlock(&tz->lock);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 5133cd1e1..e2fc6161d 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1093,7 +1093,9 @@ int power_actor_set_power(struct thermal_cooling_device *cdev,
return ret;
instance->target = state;
+ mutex_lock(&cdev->lock);
cdev->updated = false;
+ mutex_unlock(&cdev->lock);
thermal_cdev_update(cdev);
return 0;
@@ -1623,11 +1625,13 @@ 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)
+ if (cdev->updated) {
+ mutex_unlock(&cdev->lock);
return;
+ }
- mutex_lock(&cdev->lock);
/* 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",
@@ -1637,9 +1641,9 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev)
if (instance->target > target)
target = instance->target;
}
- mutex_unlock(&cdev->lock);
cdev->ops->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);
}
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index 06fd2ed9e..c41c77429 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -232,6 +232,7 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
return result;
}
+EXPORT_SYMBOL_GPL(thermal_add_hwmon_sysfs);
void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
{
@@ -270,3 +271,4 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
hwmon_device_unregister(hwmon->device);
kfree(hwmon);
}
+EXPORT_SYMBOL_GPL(thermal_remove_hwmon_sysfs);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-02 06:42:03 +0000