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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/thermal
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/thermal/Kconfig11
-rw-r--r--drivers/thermal/Makefile2
-rw-r--r--drivers/thermal/cpufreq_cooling.c45
-rw-r--r--drivers/thermal/da9062-thermal.c2
-rw-r--r--drivers/thermal/devfreq_cooling.c49
-rw-r--r--drivers/thermal/gov_bang_bang.c2
-rw-r--r--drivers/thermal/gov_fair_share.c16
-rw-r--r--drivers/thermal/gov_power_allocator.c2
-rw-r--r--drivers/thermal/imx_thermal.c6
-rw-r--r--drivers/thermal/intel/Kconfig2
-rw-r--r--drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c43
-rw-r--r--drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.h2
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.h1
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c16
-rw-r--r--drivers/thermal/intel/intel_hfi.c2
-rw-r--r--drivers/thermal/intel/intel_pch_thermal.c28
-rw-r--r--drivers/thermal/intel/intel_powerclamp.c2
-rw-r--r--drivers/thermal/intel/intel_quark_dts_thermal.c34
-rw-r--r--drivers/thermal/intel/intel_soc_dts_iosf.c77
-rw-r--r--drivers/thermal/intel/intel_soc_dts_iosf.h2
-rw-r--r--drivers/thermal/intel/x86_pkg_temp_thermal.c41
-rw-r--r--drivers/thermal/mediatek/lvts_thermal.c6
-rw-r--r--drivers/thermal/qcom/lmh.c3
-rw-r--r--drivers/thermal/rcar_gen3_thermal.c4
-rw-r--r--drivers/thermal/rcar_thermal.c2
-rw-r--r--drivers/thermal/st/st_thermal.c2
-rw-r--r--drivers/thermal/st/st_thermal.h18
-rw-r--r--drivers/thermal/st/st_thermal_memmap.c2
-rw-r--r--drivers/thermal/sun8i_thermal.c139
-rw-r--r--drivers/thermal/thermal_core.c95
-rw-r--r--drivers/thermal/thermal_core.h2
-rw-r--r--drivers/thermal/thermal_helpers.c10
-rw-r--r--drivers/thermal/thermal_hwmon.c4
-rw-r--r--drivers/thermal/thermal_of.c39
-rw-r--r--drivers/thermal/thermal_sysfs.c38
-rw-r--r--drivers/thermal/thermal_trip.c6
36 files changed, 421 insertions, 334 deletions
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 17a8ae5e99..204ed89a3e 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -83,17 +83,6 @@ config THERMAL_OF
Say 'Y' here if you need to build thermal infrastructure
based on device tree.
-config THERMAL_WRITABLE_TRIPS
- bool "Enable writable trip points"
- help
- This option allows the system integrator to choose whether
- trip temperatures can be changed from userspace. The
- writable trips need to be specified when setting up the
- thermal zone but the choice here takes precedence.
-
- Say 'Y' here if you would like to allow userspace tools to
- change trip temperatures.
-
choice
prompt "Default Thermal governor"
default THERMAL_DEFAULT_GOV_STEP_WISE
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index d77d7fe99a..5cdf7d6868 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -43,7 +43,7 @@ obj-$(CONFIG_RCAR_GEN3_THERMAL) += rcar_gen3_thermal.o
obj-$(CONFIG_RZG2L_THERMAL) += rzg2l_thermal.o
obj-$(CONFIG_KIRKWOOD_THERMAL) += kirkwood_thermal.o
obj-y += samsung/
-obj-$(CONFIG_DOVE_THERMAL) += dove_thermal.o
+obj-$(CONFIG_DOVE_THERMAL) += dove_thermal.o
obj-$(CONFIG_DB8500_THERMAL) += db8500_thermal.o
obj-$(CONFIG_ARMADA_THERMAL) += armada_thermal.o
obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o
diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index e2cc7bd308..9d1b145970 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -91,12 +91,16 @@ struct cpufreq_cooling_device {
static unsigned long get_level(struct cpufreq_cooling_device *cpufreq_cdev,
unsigned int freq)
{
+ struct em_perf_state *table;
int i;
+ rcu_read_lock();
+ table = em_perf_state_from_pd(cpufreq_cdev->em);
for (i = cpufreq_cdev->max_level - 1; i >= 0; i--) {
- if (freq > cpufreq_cdev->em->table[i].frequency)
+ if (freq > table[i].frequency)
break;
}
+ rcu_read_unlock();
return cpufreq_cdev->max_level - i - 1;
}
@@ -104,16 +108,20 @@ static unsigned long get_level(struct cpufreq_cooling_device *cpufreq_cdev,
static u32 cpu_freq_to_power(struct cpufreq_cooling_device *cpufreq_cdev,
u32 freq)
{
+ struct em_perf_state *table;
unsigned long power_mw;
int i;
+ rcu_read_lock();
+ table = em_perf_state_from_pd(cpufreq_cdev->em);
for (i = cpufreq_cdev->max_level - 1; i >= 0; i--) {
- if (freq > cpufreq_cdev->em->table[i].frequency)
+ if (freq > table[i].frequency)
break;
}
- power_mw = cpufreq_cdev->em->table[i + 1].power;
+ power_mw = table[i + 1].power;
power_mw /= MICROWATT_PER_MILLIWATT;
+ rcu_read_unlock();
return power_mw;
}
@@ -121,18 +129,24 @@ static u32 cpu_freq_to_power(struct cpufreq_cooling_device *cpufreq_cdev,
static u32 cpu_power_to_freq(struct cpufreq_cooling_device *cpufreq_cdev,
u32 power)
{
+ struct em_perf_state *table;
unsigned long em_power_mw;
+ u32 freq;
int i;
+ rcu_read_lock();
+ table = em_perf_state_from_pd(cpufreq_cdev->em);
for (i = cpufreq_cdev->max_level; i > 0; i--) {
/* Convert EM power to milli-Watts to make safe comparison */
- em_power_mw = cpufreq_cdev->em->table[i].power;
+ em_power_mw = table[i].power;
em_power_mw /= MICROWATT_PER_MILLIWATT;
if (power >= em_power_mw)
break;
}
+ freq = table[i].frequency;
+ rcu_read_unlock();
- return cpufreq_cdev->em->table[i].frequency;
+ return freq;
}
/**
@@ -262,8 +276,9 @@ static int cpufreq_get_requested_power(struct thermal_cooling_device *cdev,
static int cpufreq_state2power(struct thermal_cooling_device *cdev,
unsigned long state, u32 *power)
{
- unsigned int freq, num_cpus, idx;
struct cpufreq_cooling_device *cpufreq_cdev = cdev->devdata;
+ unsigned int freq, num_cpus, idx;
+ struct em_perf_state *table;
/* Request state should be less than max_level */
if (state > cpufreq_cdev->max_level)
@@ -272,7 +287,12 @@ static int cpufreq_state2power(struct thermal_cooling_device *cdev,
num_cpus = cpumask_weight(cpufreq_cdev->policy->cpus);
idx = cpufreq_cdev->max_level - state;
- freq = cpufreq_cdev->em->table[idx].frequency;
+
+ rcu_read_lock();
+ table = em_perf_state_from_pd(cpufreq_cdev->em);
+ freq = table[idx].frequency;
+ rcu_read_unlock();
+
*power = cpu_freq_to_power(cpufreq_cdev, freq) * num_cpus;
return 0;
@@ -378,8 +398,17 @@ static unsigned int get_state_freq(struct cpufreq_cooling_device *cpufreq_cdev,
#ifdef CONFIG_THERMAL_GOV_POWER_ALLOCATOR
/* Use the Energy Model table if available */
if (cpufreq_cdev->em) {
+ struct em_perf_state *table;
+ unsigned int freq;
+
idx = cpufreq_cdev->max_level - state;
- return cpufreq_cdev->em->table[idx].frequency;
+
+ rcu_read_lock();
+ table = em_perf_state_from_pd(cpufreq_cdev->em);
+ freq = table[idx].frequency;
+ rcu_read_unlock();
+
+ return freq;
}
#endif
diff --git a/drivers/thermal/da9062-thermal.c b/drivers/thermal/da9062-thermal.c
index 160d649130..a27aff88cd 100644
--- a/drivers/thermal/da9062-thermal.c
+++ b/drivers/thermal/da9062-thermal.c
@@ -197,7 +197,7 @@ static int da9062_thermal_probe(struct platform_device *pdev)
mutex_init(&thermal->lock);
thermal->zone = thermal_zone_device_register_with_trips(thermal->config->name,
- trips, ARRAY_SIZE(trips), 0, thermal,
+ trips, ARRAY_SIZE(trips), thermal,
&da9062_thermal_ops, NULL, pp_tmp,
0);
if (IS_ERR(thermal->zone)) {
diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 90b828bcca..8fd7cf1932 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -87,6 +87,7 @@ static int devfreq_cooling_set_cur_state(struct thermal_cooling_device *cdev,
struct devfreq_cooling_device *dfc = cdev->devdata;
struct devfreq *df = dfc->devfreq;
struct device *dev = df->dev.parent;
+ struct em_perf_state *table;
unsigned long freq;
int perf_idx;
@@ -100,7 +101,11 @@ static int devfreq_cooling_set_cur_state(struct thermal_cooling_device *cdev,
if (dfc->em_pd) {
perf_idx = dfc->max_state - state;
- freq = dfc->em_pd->table[perf_idx].frequency * 1000;
+
+ rcu_read_lock();
+ table = em_perf_state_from_pd(dfc->em_pd);
+ freq = table[perf_idx].frequency * 1000;
+ rcu_read_unlock();
} else {
freq = dfc->freq_table[state];
}
@@ -123,14 +128,21 @@ static int devfreq_cooling_set_cur_state(struct thermal_cooling_device *cdev,
*/
static int get_perf_idx(struct em_perf_domain *em_pd, unsigned long freq)
{
- int i;
+ struct em_perf_state *table;
+ int i, idx = -EINVAL;
+ rcu_read_lock();
+ table = em_perf_state_from_pd(em_pd);
for (i = 0; i < em_pd->nr_perf_states; i++) {
- if (em_pd->table[i].frequency == freq)
- return i;
+ if (table[i].frequency != freq)
+ continue;
+
+ idx = i;
+ break;
}
+ rcu_read_unlock();
- return -EINVAL;
+ return idx;
}
static unsigned long get_voltage(struct devfreq *df, unsigned long freq)
@@ -181,6 +193,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
struct devfreq_cooling_device *dfc = cdev->devdata;
struct devfreq *df = dfc->devfreq;
struct devfreq_dev_status status;
+ struct em_perf_state *table;
unsigned long state;
unsigned long freq;
unsigned long voltage;
@@ -204,7 +217,11 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
state = dfc->max_state - dfc->capped_state;
/* Convert EM power into milli-Watts first */
- dfc->res_util = dfc->em_pd->table[state].power;
+ rcu_read_lock();
+ table = em_perf_state_from_pd(dfc->em_pd);
+ dfc->res_util = table[state].power;
+ rcu_read_unlock();
+
dfc->res_util /= MICROWATT_PER_MILLIWATT;
dfc->res_util *= SCALE_ERROR_MITIGATION;
@@ -225,7 +242,11 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
_normalize_load(&status);
/* Convert EM power into milli-Watts first */
- *power = dfc->em_pd->table[perf_idx].power;
+ rcu_read_lock();
+ table = em_perf_state_from_pd(dfc->em_pd);
+ *power = table[perf_idx].power;
+ rcu_read_unlock();
+
*power /= MICROWATT_PER_MILLIWATT;
/* Scale power for utilization */
*power *= status.busy_time;
@@ -245,13 +266,19 @@ static int devfreq_cooling_state2power(struct thermal_cooling_device *cdev,
unsigned long state, u32 *power)
{
struct devfreq_cooling_device *dfc = cdev->devdata;
+ struct em_perf_state *table;
int perf_idx;
if (state > dfc->max_state)
return -EINVAL;
perf_idx = dfc->max_state - state;
- *power = dfc->em_pd->table[perf_idx].power;
+
+ rcu_read_lock();
+ table = em_perf_state_from_pd(dfc->em_pd);
+ *power = table[perf_idx].power;
+ rcu_read_unlock();
+
*power /= MICROWATT_PER_MILLIWATT;
return 0;
@@ -264,6 +291,7 @@ static int devfreq_cooling_power2state(struct thermal_cooling_device *cdev,
struct devfreq *df = dfc->devfreq;
struct devfreq_dev_status status;
unsigned long freq, em_power_mw;
+ struct em_perf_state *table;
s32 est_power;
int i;
@@ -288,13 +316,16 @@ static int devfreq_cooling_power2state(struct thermal_cooling_device *cdev,
* Find the first cooling state that is within the power
* budget. The EM power table is sorted ascending.
*/
+ rcu_read_lock();
+ table = em_perf_state_from_pd(dfc->em_pd);
for (i = dfc->max_state; i > 0; i--) {
/* Convert EM power to milli-Watts to make safe comparison */
- em_power_mw = dfc->em_pd->table[i].power;
+ em_power_mw = table[i].power;
em_power_mw /= MICROWATT_PER_MILLIWATT;
if (est_power >= em_power_mw)
break;
}
+ rcu_read_unlock();
*state = dfc->max_state - i;
dfc->capped_state = *state;
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index 6ddf0accdc..c3b2943a2d 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -49,7 +49,7 @@ static int thermal_zone_trip_update(struct thermal_zone_device *tz,
if (instance->target == 0 && tz->temperature >= trip->temperature)
instance->target = 1;
else if (instance->target == 1 &&
- tz->temperature <= trip->temperature - trip->hysteresis)
+ tz->temperature < trip->temperature - trip->hysteresis)
instance->target = 0;
dev_dbg(&instance->cdev->device, "target=%d\n",
diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
index 538abb7de4..4da25a0009 100644
--- a/drivers/thermal/gov_fair_share.c
+++ b/drivers/thermal/gov_fair_share.c
@@ -18,22 +18,24 @@
static int get_trip_level(struct thermal_zone_device *tz)
{
const struct thermal_trip *trip, *level_trip = NULL;
- int trip_level;
+ int trip_level = -1;
for_each_trip(tz, trip) {
if (trip->temperature >= tz->temperature)
- break;
+ continue;
+
+ trip_level++;
- level_trip = trip;
+ if (!level_trip || trip->temperature > level_trip->temperature)
+ level_trip = trip;
}
/* Bail out if the temperature is not greater than any trips. */
- if (!level_trip)
+ if (trip_level < 0)
return 0;
- trip_level = thermal_zone_trip_id(tz, level_trip);
-
- trace_thermal_zone_trip(tz, trip_level, level_trip->type);
+ trace_thermal_zone_trip(tz, thermal_zone_trip_id(tz, level_trip),
+ level_trip->type);
return trip_level;
}
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index 38581583ad..e25e48d76a 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -706,6 +706,8 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
if (!tz->tzp->sustainable_power)
dev_warn(&tz->device, "power_allocator: sustainable_power will be estimated\n");
+ else
+ params->sustainable_power = tz->tzp->sustainable_power;
if (params->trip_max)
estimate_pid_constants(tz, tz->tzp->sustainable_power,
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index 7019c4fdd5..83eaae5ca3 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -115,7 +115,8 @@ struct thermal_soc_data {
};
static struct thermal_trip trips[] = {
- [IMX_TRIP_PASSIVE] = { .type = THERMAL_TRIP_PASSIVE },
+ [IMX_TRIP_PASSIVE] = { .type = THERMAL_TRIP_PASSIVE,
+ .flags = THERMAL_TRIP_FLAG_RW_TEMP },
[IMX_TRIP_CRITICAL] = { .type = THERMAL_TRIP_CRITICAL },
};
@@ -354,6 +355,7 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip_id,
return -EINVAL;
imx_set_alarm_temp(data, temp);
+ trips[IMX_TRIP_PASSIVE].temperature = temp;
pm_runtime_put(data->dev);
@@ -699,7 +701,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
data->tz = thermal_zone_device_register_with_trips("imx_thermal_zone",
trips,
ARRAY_SIZE(trips),
- BIT(IMX_TRIP_PASSIVE), data,
+ data,
&imx_tz_ops, NULL,
IMX_PASSIVE_DELAY,
IMX_POLLING_DELAY);
diff --git a/drivers/thermal/intel/Kconfig b/drivers/thermal/intel/Kconfig
index b43953b553..a31f2f3299 100644
--- a/drivers/thermal/intel/Kconfig
+++ b/drivers/thermal/intel/Kconfig
@@ -23,7 +23,6 @@ config X86_PKG_TEMP_THERMAL
tristate "X86 package temperature thermal driver"
depends on X86_THERMAL_VECTOR
select THERMAL_GOV_USER_SPACE
- select THERMAL_WRITABLE_TRIPS
select INTEL_TCC
default m
help
@@ -47,7 +46,6 @@ config INTEL_SOC_DTS_THERMAL
tristate "Intel SoCs DTS thermal driver"
depends on X86 && PCI && ACPI
select INTEL_SOC_DTS_IOSF_CORE
- select THERMAL_WRITABLE_TRIPS
help
Enable this to register Intel SoCs (e.g. Bay Trail) platform digital
temperature sensor (DTS). These SoCs have two additional DTSs in
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
index 3e4bfe817f..400fde7cb3 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
@@ -58,15 +58,10 @@ static int int340x_thermal_set_trip_temp(struct thermal_zone_device *zone,
static void int340x_thermal_critical(struct thermal_zone_device *zone)
{
- dev_dbg(&zone->device, "%s: critical temperature reached\n", zone->type);
+ dev_dbg(thermal_zone_device(zone), "%s: critical temperature reached\n",
+ thermal_zone_device_type(zone));
}
-static struct thermal_zone_device_ops int340x_thermal_zone_ops = {
- .get_temp = int340x_thermal_get_zone_temp,
- .set_trip_temp = int340x_thermal_set_trip_temp,
- .critical = int340x_thermal_critical,
-};
-
static inline void *int_to_trip_priv(int i)
{
return (void *)(long)i;
@@ -126,11 +121,15 @@ static struct thermal_zone_params int340x_thermal_params = {
struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
int (*get_temp) (struct thermal_zone_device *, int *))
{
+ const struct thermal_zone_device_ops zone_ops = {
+ .set_trip_temp = int340x_thermal_set_trip_temp,
+ .critical = int340x_thermal_critical,
+ .get_temp = get_temp ? get_temp : int340x_thermal_get_zone_temp,
+ };
struct int34x_thermal_zone *int34x_zone;
struct thermal_trip *zone_trips;
unsigned long long trip_cnt = 0;
unsigned long long hyst;
- int trip_mask = 0;
acpi_status status;
int i, ret;
@@ -140,21 +139,9 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
int34x_zone->adev = adev;
- int34x_zone->ops = kmemdup(&int340x_thermal_zone_ops,
- sizeof(int340x_thermal_zone_ops), GFP_KERNEL);
- if (!int34x_zone->ops) {
- ret = -ENOMEM;
- goto err_ops_alloc;
- }
-
- if (get_temp)
- int34x_zone->ops->get_temp = get_temp;
-
status = acpi_evaluate_integer(adev->handle, "PATC", NULL, &trip_cnt);
- if (ACPI_SUCCESS(status)) {
+ if (ACPI_SUCCESS(status))
int34x_zone->aux_trip_nr = trip_cnt;
- trip_mask = BIT(trip_cnt) - 1;
- }
zone_trips = kzalloc(sizeof(*zone_trips) * (trip_cnt + INT340X_THERMAL_MAX_TRIP_COUNT),
GFP_KERNEL);
@@ -166,6 +153,7 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
for (i = 0; i < trip_cnt; i++) {
zone_trips[i].type = THERMAL_TRIP_PASSIVE;
zone_trips[i].temperature = THERMAL_TEMP_INVALID;
+ zone_trips[i].flags |= THERMAL_TRIP_FLAG_RW_TEMP;
}
trip_cnt = int340x_thermal_read_trips(adev, zone_trips, trip_cnt);
@@ -179,17 +167,17 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
for (i = 0; i < trip_cnt; ++i)
zone_trips[i].hysteresis = hyst;
- int34x_zone->trips = zone_trips;
-
int34x_zone->lpat_table = acpi_lpat_get_conversion_table(adev->handle);
int34x_zone->zone = thermal_zone_device_register_with_trips(
acpi_device_bid(adev),
zone_trips, trip_cnt,
- trip_mask, int34x_zone,
- int34x_zone->ops,
+ int34x_zone,
+ &zone_ops,
&int340x_thermal_params,
0, 0);
+ kfree(zone_trips);
+
if (IS_ERR(int34x_zone->zone)) {
ret = PTR_ERR(int34x_zone->zone);
goto err_thermal_zone;
@@ -203,11 +191,8 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
err_enable:
thermal_zone_device_unregister(int34x_zone->zone);
err_thermal_zone:
- kfree(int34x_zone->trips);
acpi_lpat_free_conversion_table(int34x_zone->lpat_table);
err_trips_alloc:
- kfree(int34x_zone->ops);
-err_ops_alloc:
kfree(int34x_zone);
return ERR_PTR(ret);
}
@@ -217,8 +202,6 @@ void int340x_thermal_zone_remove(struct int34x_thermal_zone *int34x_zone)
{
thermal_zone_device_unregister(int34x_zone->zone);
acpi_lpat_free_conversion_table(int34x_zone->lpat_table);
- kfree(int34x_zone->trips);
- kfree(int34x_zone->ops);
kfree(int34x_zone);
}
EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.h b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.h
index e0df6271fa..d504e27100 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.h
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.h
@@ -20,10 +20,8 @@ struct active_trip {
struct int34x_thermal_zone {
struct acpi_device *adev;
- struct thermal_trip *trips;
int aux_trip_nr;
struct thermal_zone_device *zone;
- struct thermal_zone_device_ops *ops;
void *priv_data;
struct acpi_lpat_conversion_table *lpat_table;
};
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
index 95c6013a33..674f3c85df 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
@@ -25,6 +25,7 @@
#define PCI_DEVICE_ID_INTEL_HSB_THERMAL 0x0A03
#define PCI_DEVICE_ID_INTEL_ICL_THERMAL 0x8a03
#define PCI_DEVICE_ID_INTEL_JSL_THERMAL 0x4E03
+#define PCI_DEVICE_ID_INTEL_LNLM_THERMAL 0x641D
#define PCI_DEVICE_ID_INTEL_MTLP_THERMAL 0x7D03
#define PCI_DEVICE_ID_INTEL_RPL_THERMAL 0xA71D
#define PCI_DEVICE_ID_INTEL_SKL_THERMAL 0x1903
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
index d7495571dd..4a1bfebb1b 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
@@ -150,7 +150,7 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid)
{
struct proc_thermal_pci *pci_info = devid;
struct proc_thermal_device *proc_priv;
- int ret = IRQ_HANDLED;
+ int ret = IRQ_NONE;
u32 status;
proc_priv = pci_info->proc_priv;
@@ -175,6 +175,7 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid)
/* Disable enable interrupt flag */
proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0);
pkg_thermal_schedule_work(&pci_info->work);
+ ret = IRQ_HANDLED;
}
pci_write_config_byte(pci_info->pdev, 0xdc, 0x01);
@@ -233,11 +234,7 @@ static int get_trip_temp(struct proc_thermal_pci *pci_info)
return temp;
}
-static struct thermal_trip psv_trip = {
- .type = THERMAL_TRIP_PASSIVE,
-};
-
-static struct thermal_zone_device_ops tzone_ops = {
+static const struct thermal_zone_device_ops tzone_ops = {
.get_temp = sys_get_curr_temp,
.set_trip_temp = sys_set_trip_temp,
};
@@ -251,6 +248,10 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
{
struct proc_thermal_device *proc_priv;
struct proc_thermal_pci *pci_info;
+ struct thermal_trip psv_trip = {
+ .type = THERMAL_TRIP_PASSIVE,
+ .flags = THERMAL_TRIP_FLAG_RW_TEMP,
+ };
int irq_flag = 0, irq, ret;
bool msi_irq = false;
@@ -290,7 +291,7 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
psv_trip.temperature = get_trip_temp(pci_info);
pci_info->tzone = thermal_zone_device_register_with_trips("TCPU_PCI", &psv_trip,
- 1, 1, pci_info,
+ 1, pci_info,
&tzone_ops,
&tzone_params, 0, 0);
if (IS_ERR(pci_info->tzone)) {
@@ -407,6 +408,7 @@ static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend,
static const struct pci_device_id proc_thermal_pci_ids[] = {
{ PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
+ { PCI_DEVICE_DATA(INTEL, LNLM_THERMAL, PROC_THERMAL_FEATURE_RAPL) },
{ PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL |
PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR |
PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) },
diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c
index 3b04c6ec4f..40d664a66c 100644
--- a/drivers/thermal/intel/intel_hfi.c
+++ b/drivers/thermal/intel/intel_hfi.c
@@ -607,7 +607,7 @@ void __init intel_hfi_init(void)
/* There is one HFI instance per die/package. */
max_hfi_instances = topology_max_packages() *
- topology_max_die_per_package();
+ topology_max_dies_per_package();
/*
* This allocation may fail. CPU hotplug callbacks must check
diff --git a/drivers/thermal/intel/intel_pch_thermal.c b/drivers/thermal/intel/intel_pch_thermal.c
index b3905e34c5..f5be2c3893 100644
--- a/drivers/thermal/intel/intel_pch_thermal.c
+++ b/drivers/thermal/intel/intel_pch_thermal.c
@@ -84,7 +84,6 @@ struct pch_thermal_device {
void __iomem *hw_base;
struct pci_dev *pdev;
struct thermal_zone_device *tzd;
- struct thermal_trip trips[PCH_MAX_TRIPS];
bool bios_enabled;
};
@@ -94,7 +93,8 @@ struct pch_thermal_device {
* passive trip temperature using _PSV method. There is no specific
* passive temperature setting in MMIO interface of this PCI device.
*/
-static int pch_wpt_add_acpi_psv_trip(struct pch_thermal_device *ptd, int trip)
+static int pch_wpt_add_acpi_psv_trip(struct pch_thermal_device *ptd,
+ struct thermal_trip *trip)
{
struct acpi_device *adev;
int temp;
@@ -106,12 +106,13 @@ static int pch_wpt_add_acpi_psv_trip(struct pch_thermal_device *ptd, int trip)
if (thermal_acpi_passive_trip_temp(adev, &temp) || temp <= 0)
return 0;
- ptd->trips[trip].type = THERMAL_TRIP_PASSIVE;
- ptd->trips[trip].temperature = temp;
+ trip->type = THERMAL_TRIP_PASSIVE;
+ trip->temperature = temp;
return 1;
}
#else
-static int pch_wpt_add_acpi_psv_trip(struct pch_thermal_device *ptd, int trip)
+static int pch_wpt_add_acpi_psv_trip(struct pch_thermal_device *ptd,
+ struct thermal_trip *trip)
{
return 0;
}
@@ -131,7 +132,7 @@ static void pch_critical(struct thermal_zone_device *tzd)
thermal_zone_device_type(tzd));
}
-static struct thermal_zone_device_ops tzd_ops = {
+static const struct thermal_zone_device_ops tzd_ops = {
.get_temp = pch_thermal_get_temp,
.critical = pch_critical,
};
@@ -159,6 +160,7 @@ static const char *board_names[] = {
static int intel_pch_thermal_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
+ struct thermal_trip ptd_trips[PCH_MAX_TRIPS] = { 0 };
enum pch_board_ids board_id = id->driver_data;
struct pch_thermal_device *ptd;
int nr_trips = 0;
@@ -220,22 +222,22 @@ read_trips:
trip_temp = readw(ptd->hw_base + WPT_CTT);
trip_temp &= 0x1FF;
if (trip_temp) {
- ptd->trips[nr_trips].temperature = GET_WPT_TEMP(trip_temp);
- ptd->trips[nr_trips++].type = THERMAL_TRIP_CRITICAL;
+ ptd_trips[nr_trips].temperature = GET_WPT_TEMP(trip_temp);
+ ptd_trips[nr_trips++].type = THERMAL_TRIP_CRITICAL;
}
trip_temp = readw(ptd->hw_base + WPT_PHL);
trip_temp &= 0x1FF;
if (trip_temp) {
- ptd->trips[nr_trips].temperature = GET_WPT_TEMP(trip_temp);
- ptd->trips[nr_trips++].type = THERMAL_TRIP_HOT;
+ ptd_trips[nr_trips].temperature = GET_WPT_TEMP(trip_temp);
+ ptd_trips[nr_trips++].type = THERMAL_TRIP_HOT;
}
- nr_trips += pch_wpt_add_acpi_psv_trip(ptd, nr_trips);
+ nr_trips += pch_wpt_add_acpi_psv_trip(ptd, &ptd_trips[nr_trips]);
ptd->tzd = thermal_zone_device_register_with_trips(board_names[board_id],
- ptd->trips, nr_trips,
- 0, ptd, &tzd_ops,
+ ptd_trips, nr_trips,
+ ptd, &tzd_ops,
NULL, 0, 0);
if (IS_ERR(ptd->tzd)) {
dev_err(&pdev->dev, "Failed to register thermal zone %s\n",
diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
index bc6eb0dd66..4ba649370a 100644
--- a/drivers/thermal/intel/intel_powerclamp.c
+++ b/drivers/thermal/intel/intel_powerclamp.c
@@ -587,7 +587,7 @@ static int powerclamp_idle_injection_register(void)
poll_pkg_cstate_enable = false;
if (cpumask_equal(cpu_present_mask, idle_injection_cpu_mask)) {
ii_dev = idle_inject_register_full(idle_injection_cpu_mask, idle_inject_update);
- if (topology_max_packages() == 1 && topology_max_die_per_package() == 1)
+ if (topology_max_packages() == 1 && topology_max_dies_per_package() == 1)
poll_pkg_cstate_enable = true;
} else {
ii_dev = idle_inject_register(idle_injection_cpu_mask);
diff --git a/drivers/thermal/intel/intel_quark_dts_thermal.c b/drivers/thermal/intel/intel_quark_dts_thermal.c
index 646ca8bd40..ec6ad26027 100644
--- a/drivers/thermal/intel/intel_quark_dts_thermal.c
+++ b/drivers/thermal/intel/intel_quark_dts_thermal.c
@@ -93,10 +93,6 @@
/* Quark DTS has 2 trip points: hot & catastrophic */
#define QRK_MAX_DTS_TRIPS 2
-/* If DTS not locked, all trip points are configurable */
-#define QRK_DTS_WR_MASK_SET 0x3
-/* If DTS locked, all trip points are not configurable */
-#define QRK_DTS_WR_MASK_CLR 0
#define DEFAULT_POLL_DELAY 2000
@@ -105,7 +101,6 @@ struct soc_sensor_entry {
u32 store_ptps;
u32 store_dts_enable;
struct thermal_zone_device *tzone;
- struct thermal_trip trips[QRK_MAX_DTS_TRIPS];
};
static struct soc_sensor_entry *soc_dts;
@@ -293,7 +288,7 @@ static int sys_change_mode(struct thermal_zone_device *tzd,
return ret;
}
-static struct thermal_zone_device_ops tzone_ops = {
+static const struct thermal_zone_device_ops tzone_ops = {
.get_temp = sys_get_curr_temp,
.set_trip_temp = sys_set_trip_temp,
.change_mode = sys_change_mode,
@@ -320,10 +315,10 @@ static void free_soc_dts(struct soc_sensor_entry *aux_entry)
static struct soc_sensor_entry *alloc_soc_dts(void)
{
+ struct thermal_trip trips[QRK_MAX_DTS_TRIPS] = { 0 };
struct soc_sensor_entry *aux_entry;
int err;
u32 out;
- int wr_mask;
aux_entry = kzalloc(sizeof(*aux_entry), GFP_KERNEL);
if (!aux_entry) {
@@ -337,13 +332,7 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
if (err)
goto err_ret;
- if (out & QRK_DTS_LOCK_BIT) {
- aux_entry->locked = true;
- wr_mask = QRK_DTS_WR_MASK_CLR;
- } else {
- aux_entry->locked = false;
- wr_mask = QRK_DTS_WR_MASK_SET;
- }
+ aux_entry->locked = !!(out & QRK_DTS_LOCK_BIT);
/* Store DTS default state if DTS registers are not locked */
if (!aux_entry->locked) {
@@ -360,19 +349,22 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
&aux_entry->store_ptps);
if (err)
goto err_ret;
+
+ trips[QRK_DTS_ID_TP_CRITICAL].flags |= THERMAL_TRIP_FLAG_RW_TEMP;
+ trips[QRK_DTS_ID_TP_HOT].flags |= THERMAL_TRIP_FLAG_RW_TEMP;
}
- aux_entry->trips[QRK_DTS_ID_TP_CRITICAL].temperature = get_trip_temp(QRK_DTS_ID_TP_CRITICAL);
- aux_entry->trips[QRK_DTS_ID_TP_CRITICAL].type = THERMAL_TRIP_CRITICAL;
+ trips[QRK_DTS_ID_TP_CRITICAL].temperature = get_trip_temp(QRK_DTS_ID_TP_CRITICAL);
+ trips[QRK_DTS_ID_TP_CRITICAL].type = THERMAL_TRIP_CRITICAL;
- aux_entry->trips[QRK_DTS_ID_TP_HOT].temperature = get_trip_temp(QRK_DTS_ID_TP_HOT);
- aux_entry->trips[QRK_DTS_ID_TP_HOT].type = THERMAL_TRIP_HOT;
+ trips[QRK_DTS_ID_TP_HOT].temperature = get_trip_temp(QRK_DTS_ID_TP_HOT);
+ trips[QRK_DTS_ID_TP_HOT].type = THERMAL_TRIP_HOT;
aux_entry->tzone = thermal_zone_device_register_with_trips("quark_dts",
- aux_entry->trips,
+ trips,
QRK_MAX_DTS_TRIPS,
- wr_mask,
- aux_entry, &tzone_ops,
+ aux_entry,
+ &tzone_ops,
NULL, 0, polling_delay);
if (IS_ERR(aux_entry->tzone)) {
err = PTR_ERR(aux_entry->tzone);
diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c
index d00def3c47..2ab943b66f 100644
--- a/drivers/thermal/intel/intel_soc_dts_iosf.c
+++ b/drivers/thermal/intel/intel_soc_dts_iosf.c
@@ -129,22 +129,6 @@ err_restore_ptps:
return status;
}
-static int configure_trip(struct intel_soc_dts_sensor_entry *dts,
- int thres_index, enum thermal_trip_type trip_type,
- int temp)
-{
- int ret;
-
- ret = update_trip_temp(dts->sensors, thres_index, temp);
- if (ret)
- return ret;
-
- dts->trips[thres_index].temperature = temp;
- dts->trips[thres_index].type = trip_type;
-
- return 0;
-}
-
static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip,
int temp)
{
@@ -184,7 +168,7 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
return 0;
}
-static struct thermal_zone_device_ops tzone_ops = {
+static const struct thermal_zone_device_ops tzone_ops = {
.get_temp = sys_get_curr_temp,
.set_trip_temp = sys_set_trip_temp,
};
@@ -218,15 +202,10 @@ static void remove_dts_thermal_zone(struct intel_soc_dts_sensor_entry *dts)
}
static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
- bool critical_trip)
+ struct thermal_trip *trips)
{
- int writable_trip_cnt = SOC_MAX_DTS_TRIPS;
char name[10];
- unsigned long trip;
- int trip_mask;
- unsigned long ptps;
u32 store_ptps;
- unsigned long i;
int ret;
/* Store status to restor on exit */
@@ -237,26 +216,20 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
dts->id = id;
- if (critical_trip)
- writable_trip_cnt--;
-
- trip_mask = GENMASK(writable_trip_cnt - 1, 0);
-
/* Check if the writable trip we provide is not used by BIOS */
ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
SOC_DTS_OFFSET_PTPS, &store_ptps);
- if (ret)
- trip_mask = 0;
- else {
- ptps = store_ptps;
- for_each_set_clump8(i, trip, &ptps, writable_trip_cnt * 8)
- trip_mask &= ~BIT(i / 8);
+ if (!ret) {
+ int i;
+
+ for (i = 0; i <= 1; i++) {
+ if (store_ptps & (0xFFU << i * 8))
+ trips[i].flags &= ~THERMAL_TRIP_FLAG_RW_TEMP;
+ }
}
- dts->trip_mask = trip_mask;
snprintf(name, sizeof(name), "soc_dts%d", id);
- dts->tzone = thermal_zone_device_register_with_trips(name, dts->trips,
+ dts->tzone = thermal_zone_device_register_with_trips(name, trips,
SOC_MAX_DTS_TRIPS,
- trip_mask,
dts, &tzone_ops,
NULL, 0, 0);
if (IS_ERR(dts->tzone)) {
@@ -315,14 +288,23 @@ EXPORT_SYMBOL_GPL(intel_soc_dts_iosf_interrupt_handler);
static void dts_trips_reset(struct intel_soc_dts_sensors *sensors, int dts_index)
{
- configure_trip(&sensors->soc_dts[dts_index], 0, 0, 0);
- configure_trip(&sensors->soc_dts[dts_index], 1, 0, 0);
+ update_trip_temp(sensors, 0, 0);
+ update_trip_temp(sensors, 1, 0);
+}
+
+static void set_trip(struct thermal_trip *trip, enum thermal_trip_type type,
+ u8 flags, int temp)
+{
+ trip->type = type;
+ trip->flags = flags;
+ trip->temperature = temp;
}
struct intel_soc_dts_sensors *
intel_soc_dts_iosf_init(enum intel_soc_dts_interrupt_type intr_type,
bool critical_trip, int crit_offset)
{
+ struct thermal_trip trips[SOC_MAX_DTS_SENSORS][SOC_MAX_DTS_TRIPS] = { 0 };
struct intel_soc_dts_sensors *sensors;
int tj_max;
int ret;
@@ -345,30 +327,33 @@ intel_soc_dts_iosf_init(enum intel_soc_dts_interrupt_type intr_type,
sensors->tj_max = tj_max * 1000;
for (i = 0; i < SOC_MAX_DTS_SENSORS; ++i) {
- enum thermal_trip_type trip_type;
int temp;
sensors->soc_dts[i].sensors = sensors;
- ret = configure_trip(&sensors->soc_dts[i], 0,
- THERMAL_TRIP_PASSIVE, 0);
+ set_trip(&trips[i][0], THERMAL_TRIP_PASSIVE,
+ THERMAL_TRIP_FLAG_RW_TEMP, 0);
+
+ ret = update_trip_temp(sensors, 0, 0);
if (ret)
goto err_reset_trips;
if (critical_trip) {
- trip_type = THERMAL_TRIP_CRITICAL;
temp = sensors->tj_max - crit_offset;
+ set_trip(&trips[i][1], THERMAL_TRIP_CRITICAL, 0, temp);
} else {
- trip_type = THERMAL_TRIP_PASSIVE;
+ set_trip(&trips[i][1], THERMAL_TRIP_PASSIVE,
+ THERMAL_TRIP_FLAG_RW_TEMP, 0);
temp = 0;
}
- ret = configure_trip(&sensors->soc_dts[i], 1, trip_type, temp);
+
+ ret = update_trip_temp(sensors, 1, temp);
if (ret)
goto err_reset_trips;
}
for (i = 0; i < SOC_MAX_DTS_SENSORS; ++i) {
- ret = add_dts_thermal_zone(i, &sensors->soc_dts[i], critical_trip);
+ ret = add_dts_thermal_zone(i, &sensors->soc_dts[i], trips[i]);
if (ret)
goto err_remove_zone;
}
diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.h b/drivers/thermal/intel/intel_soc_dts_iosf.h
index 162841df0e..44eee844ab 100644
--- a/drivers/thermal/intel/intel_soc_dts_iosf.h
+++ b/drivers/thermal/intel/intel_soc_dts_iosf.h
@@ -28,8 +28,6 @@ struct intel_soc_dts_sensors;
struct intel_soc_dts_sensor_entry {
int id;
u32 store_status;
- u32 trip_mask;
- struct thermal_trip trips[SOC_MAX_DTS_TRIPS];
struct thermal_zone_device *tzone;
struct intel_soc_dts_sensors *sensors;
};
diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c
index 61c3d450ee..c0ca8e3ff2 100644
--- a/drivers/thermal/intel/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c
@@ -53,7 +53,6 @@ struct zone_device {
u32 msr_pkg_therm_high;
struct delayed_work work;
struct thermal_zone_device *tzone;
- struct thermal_trip *trips;
struct cpumask cpumask;
};
@@ -167,7 +166,7 @@ sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp)
}
/* Thermal zone callback registry */
-static struct thermal_zone_device_ops tzone_ops = {
+static const struct thermal_zone_device_ops tzone_ops = {
.get_temp = sys_get_curr_temp,
.set_trip_temp = sys_set_trip_temp,
};
@@ -268,17 +267,13 @@ static int pkg_thermal_notify(u64 msr_val)
return 0;
}
-static struct thermal_trip *pkg_temp_thermal_trips_init(int cpu, int tj_max, int num_trips)
+static int pkg_temp_thermal_trips_init(int cpu, int tj_max,
+ struct thermal_trip *trips, int num_trips)
{
- struct thermal_trip *trips;
unsigned long thres_reg_value;
u32 mask, shift, eax, edx;
int ret, i;
- trips = kzalloc(sizeof(*trips) * num_trips, GFP_KERNEL);
- if (!trips)
- return ERR_PTR(-ENOMEM);
-
for (i = 0; i < num_trips; i++) {
if (i) {
@@ -291,10 +286,8 @@ static struct thermal_trip *pkg_temp_thermal_trips_init(int cpu, int tj_max, int
ret = rdmsr_on_cpu(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT,
&eax, &edx);
- if (ret < 0) {
- kfree(trips);
- return ERR_PTR(ret);
- }
+ if (ret < 0)
+ return ret;
thres_reg_value = (eax & mask) >> shift;
@@ -302,16 +295,18 @@ static struct thermal_trip *pkg_temp_thermal_trips_init(int cpu, int tj_max, int
tj_max - thres_reg_value * 1000 : THERMAL_TEMP_INVALID;
trips[i].type = THERMAL_TRIP_PASSIVE;
+ trips[i].flags |= THERMAL_TRIP_FLAG_RW_TEMP;
pr_debug("%s: cpu=%d, trip=%d, temp=%d\n",
__func__, cpu, i, trips[i].temperature);
}
- return trips;
+ return 0;
}
static int pkg_temp_thermal_device_add(unsigned int cpu)
{
+ struct thermal_trip trips[MAX_NUMBER_OF_TRIPS] = { 0 };
int id = topology_logical_die_id(cpu);
u32 eax, ebx, ecx, edx;
struct zone_device *zonedev;
@@ -336,21 +331,18 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
if (!zonedev)
return -ENOMEM;
- zonedev->trips = pkg_temp_thermal_trips_init(cpu, tj_max, thres_count);
- if (IS_ERR(zonedev->trips)) {
- err = PTR_ERR(zonedev->trips);
+ err = pkg_temp_thermal_trips_init(cpu, tj_max, trips, thres_count);
+ if (err)
goto out_kfree_zonedev;
- }
INIT_DELAYED_WORK(&zonedev->work, pkg_temp_thermal_threshold_work_fn);
zonedev->cpu = cpu;
zonedev->tzone = thermal_zone_device_register_with_trips("x86_pkg_temp",
- zonedev->trips, thres_count,
- (thres_count == MAX_NUMBER_OF_TRIPS) ? 0x03 : 0x01,
+ trips, thres_count,
zonedev, &tzone_ops, &pkg_temp_tz_params, 0, 0);
if (IS_ERR(zonedev->tzone)) {
err = PTR_ERR(zonedev->tzone);
- goto out_kfree_trips;
+ goto out_kfree_zonedev;
}
err = thermal_zone_device_enable(zonedev->tzone);
if (err)
@@ -369,8 +361,6 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
out_unregister_tz:
thermal_zone_device_unregister(zonedev->tzone);
-out_kfree_trips:
- kfree(zonedev->trips);
out_kfree_zonedev:
kfree(zonedev);
return err;
@@ -457,10 +447,9 @@ static int pkg_thermal_cpu_offline(unsigned int cpu)
raw_spin_unlock_irq(&pkg_temp_lock);
/* Final cleanup if this is the last cpu */
- if (lastcpu) {
- kfree(zonedev->trips);
+ if (lastcpu)
kfree(zonedev);
- }
+
return 0;
}
@@ -494,7 +483,7 @@ static int __init pkg_temp_thermal_init(void)
if (!x86_match_cpu(pkg_temp_thermal_ids))
return -ENODEV;
- max_id = topology_max_packages() * topology_max_die_per_package();
+ max_id = topology_max_packages() * topology_max_dies_per_package();
zones = kcalloc(max_id, sizeof(struct zone_device *),
GFP_KERNEL);
if (!zones)
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 4e5c213a89..6b9422bd87 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -740,7 +740,11 @@ static int lvts_golden_temp_init(struct device *dev, u32 *value, int temp_offset
gt = (*value) >> 24;
- if (gt && gt < LVTS_GOLDEN_TEMP_MAX)
+ /* A zero value for gt means that device has invalid efuse data */
+ if (!gt)
+ return -ENODATA;
+
+ if (gt < LVTS_GOLDEN_TEMP_MAX)
golden_temp = gt;
golden_temp_offset = golden_temp * 500 + temp_offset;
diff --git a/drivers/thermal/qcom/lmh.c b/drivers/thermal/qcom/lmh.c
index f6edb12ec0..5225b3621a 100644
--- a/drivers/thermal/qcom/lmh.c
+++ b/drivers/thermal/qcom/lmh.c
@@ -95,6 +95,9 @@ static int lmh_probe(struct platform_device *pdev)
unsigned int enable_alg;
u32 node_id;
+ if (!qcom_scm_is_available())
+ return -EPROBE_DEFER;
+
lmh_data = devm_kzalloc(dev, sizeof(*lmh_data), GFP_KERNEL);
if (!lmh_data)
return -ENOMEM;
diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index cafcb6d6e2..a764cb1115 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -428,6 +428,10 @@ static const struct of_device_id rcar_gen3_thermal_dt_ids[] = {
.compatible = "renesas,r8a779g0-thermal",
.data = &rcar_gen4_thermal_info,
},
+ {
+ .compatible = "renesas,r8a779h0-thermal",
+ .data = &rcar_gen4_thermal_info,
+ },
{},
};
MODULE_DEVICE_TABLE(of, rcar_gen3_thermal_dt_ids);
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index feb848d595..925183753f 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -489,7 +489,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
&rcar_thermal_zone_ops);
} else {
priv->zone = thermal_zone_device_register_with_trips(
- "rcar_thermal", trips, ARRAY_SIZE(trips), 0, priv,
+ "rcar_thermal", trips, ARRAY_SIZE(trips), priv,
&rcar_thermal_zone_ops, NULL, 0,
idle);
diff --git a/drivers/thermal/st/st_thermal.c b/drivers/thermal/st/st_thermal.c
index 0d6249b366..2a10540986 100644
--- a/drivers/thermal/st/st_thermal.c
+++ b/drivers/thermal/st/st_thermal.c
@@ -203,7 +203,7 @@ int st_thermal_register(struct platform_device *pdev,
trip.type = THERMAL_TRIP_CRITICAL;
sensor->thermal_dev =
- thermal_zone_device_register_with_trips(dev_name(dev), &trip, 1, 0, sensor,
+ thermal_zone_device_register_with_trips(dev_name(dev), &trip, 1, sensor,
&st_tz_ops, NULL, 0, polling_delay);
if (IS_ERR(sensor->thermal_dev)) {
dev_err(dev, "failed to register thermal zone device\n");
diff --git a/drivers/thermal/st/st_thermal.h b/drivers/thermal/st/st_thermal.h
index 75a84e6ec6..8639d9165c 100644
--- a/drivers/thermal/st/st_thermal.h
+++ b/drivers/thermal/st/st_thermal.h
@@ -38,10 +38,10 @@ struct st_thermal_sensor;
*
* @power_ctrl: Function for powering on/off a sensor. Clock to the
* sensor is also controlled from this function.
- * @alloc_regfields: Allocate regmap register fields, specific to a sensor.
- * @do_memmap_regmap: Memory map the thermal register space and init regmap
+ * @alloc_regfields: Allocate regmap register fields, specific to a sensor.
+ * @do_memmap_regmap: Memory map the thermal register space and init regmap
* instance or find regmap instance.
- * @register_irq: Register an interrupt handler for a sensor.
+ * @register_irq: Register an interrupt handler for a sensor.
*/
struct st_thermal_sensor_ops {
int (*power_ctrl)(struct st_thermal_sensor *, enum st_thermal_power_state);
@@ -56,15 +56,15 @@ struct st_thermal_sensor_ops {
*
* @reg_fields: Pointer to the regfields array for a sensor.
* @sys_compat: Pointer to the syscon node compatible string.
- * @ops: Pointer to private thermal ops for a sensor.
- * @calibration_val: Default calibration value to be written to the DCORRECT
+ * @ops: Pointer to private thermal ops for a sensor.
+ * @calibration_val: Default calibration value to be written to the DCORRECT
* register field for a sensor.
- * @temp_adjust_val: Value to be added/subtracted from the data read from
+ * @temp_adjust_val: Value to be added/subtracted from the data read from
* the sensor. If value needs to be added please provide a
* positive value and if it is to be subtracted please
- * provide a negative value.
- * @crit_temp: The temperature beyond which the SoC should be shutdown
- * to prevent damage.
+ * provide a negative value.
+ * @crit_temp: The temperature beyond which the SoC should be shutdown
+ * to prevent damage.
*/
struct st_thermal_compat_data {
char *sys_compat;
diff --git a/drivers/thermal/st/st_thermal_memmap.c b/drivers/thermal/st/st_thermal_memmap.c
index e8cfa83b72..29c2269b0f 100644
--- a/drivers/thermal/st/st_thermal_memmap.c
+++ b/drivers/thermal/st/st_thermal_memmap.c
@@ -27,7 +27,7 @@ static const struct reg_field st_mmap_thermal_regfields[MAX_REGFIELDS] = {
* written simultaneously for powering on and off the temperature
* sensor. regmap_update_bits() will be used to update the register.
*/
- [INT_THRESH_HI] = REG_FIELD(STIH416_MPE_INT_THRESH, 0, 7),
+ [INT_THRESH_HI] = REG_FIELD(STIH416_MPE_INT_THRESH, 0, 7),
[DCORRECT] = REG_FIELD(STIH416_MPE_CONF, 5, 9),
[OVERFLOW] = REG_FIELD(STIH416_MPE_STATUS, 9, 9),
[DATA] = REG_FIELD(STIH416_MPE_STATUS, 11, 18),
diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c
index 6a8e386dbc..3203d8bd13 100644
--- a/drivers/thermal/sun8i_thermal.c
+++ b/drivers/thermal/sun8i_thermal.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/nvmem-consumer.h>
#include <linux/of.h>
+#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/reset.h>
@@ -50,7 +51,8 @@
#define SUN8I_THS_CTRL2_T_ACQ1(x) ((GENMASK(15, 0) & (x)) << 16)
#define SUN8I_THS_DATA_IRQ_STS(x) BIT(x + 8)
-#define SUN50I_THS_CTRL0_T_ACQ(x) ((GENMASK(15, 0) & (x)) << 16)
+#define SUN50I_THS_CTRL0_T_ACQ(x) (GENMASK(15, 0) & ((x) - 1))
+#define SUN50I_THS_CTRL0_T_SAMPLE_PER(x) ((GENMASK(15, 0) & ((x) - 1)) << 16)
#define SUN50I_THS_FILTER_EN BIT(2)
#define SUN50I_THS_FILTER_TYPE(x) (GENMASK(1, 0) & (x))
#define SUN50I_H6_THS_PC_TEMP_PERIOD(x) ((GENMASK(19, 0) & (x)) << 12)
@@ -65,6 +67,7 @@ struct tsensor {
struct ths_thermal_chip {
bool has_mod_clk;
bool has_bus_clk_reset;
+ bool needs_sram;
int sensor_num;
int offset;
int scale;
@@ -82,12 +85,16 @@ struct ths_device {
const struct ths_thermal_chip *chip;
struct device *dev;
struct regmap *regmap;
+ struct regmap_field *sram_regmap_field;
struct reset_control *reset;
struct clk *bus_clk;
struct clk *mod_clk;
struct tsensor sensor[MAX_SENSOR_NUM];
};
+/* The H616 needs to have a bit 16 in the SRAM control register cleared. */
+static const struct reg_field sun8i_ths_sram_reg_field = REG_FIELD(0x0, 16, 16);
+
/* Temp Unit: millidegree Celsius */
static int sun8i_ths_calc_temp(struct ths_device *tmdev,
int id, int reg)
@@ -188,6 +195,9 @@ static irqreturn_t sun8i_irq_thread(int irq, void *data)
int i;
for_each_set_bit(i, &irq_bitmap, tmdev->chip->sensor_num) {
+ /* We allow some zones to not register. */
+ if (IS_ERR(tmdev->sensor[i].tzd))
+ continue;
thermal_zone_device_update(tmdev->sensor[i].tzd,
THERMAL_EVENT_UNSPECIFIED);
}
@@ -221,16 +231,21 @@ static int sun50i_h6_ths_calibrate(struct ths_device *tmdev,
struct device *dev = tmdev->dev;
int i, ft_temp;
- if (!caldata[0] || callen < 2 + 2 * tmdev->chip->sensor_num)
+ if (!caldata[0])
return -EINVAL;
/*
* efuse layout:
*
- * 0 11 16 32
- * +-------+-------+-------+
- * |temp| |sensor0|sensor1|
- * +-------+-------+-------+
+ * 0 11 16 27 32 43 48 57
+ * +----------+-----------+-----------+-----------+
+ * | temp | |sensor0| |sensor1| |sensor2| |
+ * +----------+-----------+-----------+-----------+
+ * ^ ^ ^
+ * | | |
+ * | | sensor3[11:8]
+ * | sensor3[7:4]
+ * sensor3[3:0]
*
* The calibration data on the H6 is the ambient temperature and
* sensor values that are filled during the factory test stage.
@@ -243,9 +258,16 @@ static int sun50i_h6_ths_calibrate(struct ths_device *tmdev,
ft_temp = (caldata[0] & FT_TEMP_MASK) * 100;
for (i = 0; i < tmdev->chip->sensor_num; i++) {
- int sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK;
- int cdata, offset;
- int sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg);
+ int sensor_reg, sensor_temp, cdata, offset;
+
+ if (i == 3)
+ sensor_reg = (caldata[1] >> 12)
+ | ((caldata[2] >> 12) << 4)
+ | ((caldata[3] >> 12) << 8);
+ else
+ sensor_reg = caldata[i + 1] & TEMP_CALIB_MASK;
+
+ sensor_temp = tmdev->chip->calc_temp(tmdev, i, sensor_reg);
/*
* Calibration data is CALIBRATE_DEFAULT - (calculated
@@ -324,6 +346,34 @@ static void sun8i_ths_reset_control_assert(void *data)
reset_control_assert(data);
}
+static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node)
+{
+ struct device_node *sram_node;
+ struct platform_device *sram_pdev;
+ struct regmap *regmap = NULL;
+
+ sram_node = of_parse_phandle(node, "allwinner,sram", 0);
+ if (!sram_node)
+ return ERR_PTR(-ENODEV);
+
+ sram_pdev = of_find_device_by_node(sram_node);
+ if (!sram_pdev) {
+ /* platform device might not be probed yet */
+ regmap = ERR_PTR(-EPROBE_DEFER);
+ goto out_put_node;
+ }
+
+ /* If no regmap is found then the other device driver is at fault */
+ regmap = dev_get_regmap(&sram_pdev->dev, NULL);
+ if (!regmap)
+ regmap = ERR_PTR(-EINVAL);
+
+ platform_device_put(sram_pdev);
+out_put_node:
+ of_node_put(sram_node);
+ return regmap;
+}
+
static int sun8i_ths_resource_init(struct ths_device *tmdev)
{
struct device *dev = tmdev->dev;
@@ -368,6 +418,19 @@ static int sun8i_ths_resource_init(struct ths_device *tmdev)
if (ret)
return ret;
+ if (tmdev->chip->needs_sram) {
+ struct regmap *regmap;
+
+ regmap = sun8i_ths_get_sram_regmap(dev->of_node);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+ tmdev->sram_regmap_field = devm_regmap_field_alloc(dev,
+ regmap,
+ sun8i_ths_sram_reg_field);
+ if (IS_ERR(tmdev->sram_regmap_field))
+ return PTR_ERR(tmdev->sram_regmap_field);
+ }
+
ret = sun8i_ths_calibrate(tmdev);
if (ret)
return ret;
@@ -410,25 +473,31 @@ static int sun8i_h3_thermal_init(struct ths_device *tmdev)
return 0;
}
-/*
- * Without this undocumented value, the returned temperatures would
- * be higher than real ones by about 20C.
- */
-#define SUN50I_H6_CTRL0_UNK 0x0000002f
-
static int sun50i_h6_thermal_init(struct ths_device *tmdev)
{
int val;
+ /* The H616 needs to have a bit in the SRAM control register cleared. */
+ if (tmdev->sram_regmap_field)
+ regmap_field_write(tmdev->sram_regmap_field, 0);
+
/*
- * T_acq = 20us
- * clkin = 24MHz
- *
- * x = T_acq * clkin - 1
- * = 479
+ * The manual recommends an overall sample frequency of 50 KHz (20us,
+ * 480 cycles at 24 MHz), which provides plenty of time for both the
+ * acquisition time (>24 cycles) and the actual conversion time
+ * (>14 cycles).
+ * The lower half of the CTRL register holds the "acquire time", in
+ * clock cycles, which the manual recommends to be 2us:
+ * 24MHz * 2us = 48 cycles.
+ * The high half of THS_CTRL encodes the sample frequency, in clock
+ * cycles: 24MHz * 20us = 480 cycles.
+ * This is explained in the H616 manual, but apparently wrongly
+ * described in the H6 manual, although the BSP code does the same
+ * for both SoCs.
*/
regmap_write(tmdev->regmap, SUN50I_THS_CTRL0,
- SUN50I_H6_CTRL0_UNK | SUN50I_THS_CTRL0_T_ACQ(479));
+ SUN50I_THS_CTRL0_T_ACQ(48) |
+ SUN50I_THS_CTRL0_T_SAMPLE_PER(480));
/* average over 4 samples */
regmap_write(tmdev->regmap, SUN50I_H6_THS_MFC,
SUN50I_THS_FILTER_EN |
@@ -465,8 +534,17 @@ static int sun8i_ths_register(struct ths_device *tmdev)
i,
&tmdev->sensor[i],
&ths_ops);
- if (IS_ERR(tmdev->sensor[i].tzd))
- return PTR_ERR(tmdev->sensor[i].tzd);
+
+ /*
+ * If an individual zone fails to register for reasons
+ * other than probe deferral (eg, a bad DT) then carry
+ * on, other zones might register successfully.
+ */
+ if (IS_ERR(tmdev->sensor[i].tzd)) {
+ if (PTR_ERR(tmdev->sensor[i].tzd) == -EPROBE_DEFER)
+ return PTR_ERR(tmdev->sensor[i].tzd);
+ continue;
+ }
devm_thermal_add_hwmon_sysfs(tmdev->dev, tmdev->sensor[i].tzd);
}
@@ -618,6 +696,20 @@ static const struct ths_thermal_chip sun20i_d1_ths = {
.calc_temp = sun8i_ths_calc_temp,
};
+static const struct ths_thermal_chip sun50i_h616_ths = {
+ .sensor_num = 4,
+ .has_bus_clk_reset = true,
+ .needs_sram = true,
+ .ft_deviation = 8000,
+ .offset = 263655,
+ .scale = 810,
+ .temp_data_base = SUN50I_H6_THS_TEMP_DATA,
+ .calibrate = sun50i_h6_ths_calibrate,
+ .init = sun50i_h6_thermal_init,
+ .irq_ack = sun50i_h6_irq_ack,
+ .calc_temp = sun8i_ths_calc_temp,
+};
+
static const struct of_device_id of_ths_match[] = {
{ .compatible = "allwinner,sun8i-a83t-ths", .data = &sun8i_a83t_ths },
{ .compatible = "allwinner,sun8i-h3-ths", .data = &sun8i_h3_ths },
@@ -627,6 +719,7 @@ static const struct of_device_id of_ths_match[] = {
{ .compatible = "allwinner,sun50i-h5-ths", .data = &sun50i_h5_ths },
{ .compatible = "allwinner,sun50i-h6-ths", .data = &sun50i_h6_ths },
{ .compatible = "allwinner,sun20i-d1-ths", .data = &sun20i_d1_ths },
+ { .compatible = "allwinner,sun50i-h616-ths", .data = &sun50i_h616_ths },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, of_ths_match);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 5975bf3808..28888ac43c 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -273,7 +273,6 @@ static int __init thermal_register_governors(void)
/*
* Zone update section: main control loop applied to each zone while monitoring
- *
* in polling mode. The monitoring is done using a workqueue.
* Same update may be done on a zone by calling thermal_zone_device_update().
*
@@ -356,9 +355,9 @@ static void handle_critical_trips(struct thermal_zone_device *tz,
trace_thermal_zone_trip(tz, thermal_zone_trip_id(tz, trip), trip->type);
if (trip->type == THERMAL_TRIP_CRITICAL)
- tz->ops->critical(tz);
- else if (tz->ops->hot)
- tz->ops->hot(tz);
+ tz->ops.critical(tz);
+ else if (tz->ops.hot)
+ tz->ops.hot(tz);
}
static void handle_thermal_trip(struct thermal_zone_device *tz,
@@ -494,8 +493,8 @@ static int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
return ret;
}
- if (tz->ops->change_mode)
- ret = tz->ops->change_mode(tz, mode);
+ if (tz->ops.change_mode)
+ ret = tz->ops.change_mode(tz, mode);
if (!ret)
tz->mode = mode;
@@ -868,8 +867,8 @@ static void bind_cdev(struct thermal_cooling_device *cdev)
struct thermal_zone_device *pos = NULL;
list_for_each_entry(pos, &thermal_tz_list, node) {
- if (pos->ops->bind) {
- ret = pos->ops->bind(pos, cdev);
+ if (pos->ops.bind) {
+ ret = pos->ops.bind(pos, cdev);
if (ret)
print_bind_err_msg(pos, cdev, ret);
}
@@ -937,9 +936,17 @@ __thermal_cooling_device_register(struct device_node *np,
if (ret)
goto out_cdev_type;
+ /*
+ * The cooling device's current state is only needed for debug
+ * initialization below, so a failure to get it does not cause
+ * the entire cooling device initialization to fail. However,
+ * the debug will not work for the device if its initial state
+ * cannot be determined and drivers are responsible for ensuring
+ * that this will not happen.
+ */
ret = cdev->ops->get_cur_state(cdev, &current_state);
if (ret)
- goto out_cdev_type;
+ current_state = ULONG_MAX;
thermal_cooling_device_setup_sysfs(cdev);
@@ -954,7 +961,8 @@ __thermal_cooling_device_register(struct device_node *np,
return ERR_PTR(ret);
}
- thermal_debug_cdev_add(cdev, current_state);
+ if (current_state <= cdev->max_state)
+ thermal_debug_cdev_add(cdev, current_state);
/* Add 'this' new cdev to the global cdev list */
mutex_lock(&thermal_list_lock);
@@ -1190,8 +1198,8 @@ void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev)
/* Unbind all thermal zones associated with 'this' cdev */
list_for_each_entry(tz, &thermal_tz_list, node) {
- if (tz->ops->unbind)
- tz->ops->unbind(tz, cdev);
+ if (tz->ops.unbind)
+ tz->ops.unbind(tz, cdev);
}
mutex_unlock(&thermal_list_lock);
@@ -1205,13 +1213,13 @@ static void bind_tz(struct thermal_zone_device *tz)
int ret;
struct thermal_cooling_device *pos = NULL;
- if (!tz->ops->bind)
+ if (!tz->ops.bind)
return;
mutex_lock(&thermal_list_lock);
list_for_each_entry(pos, &thermal_cdev_list, node) {
- ret = tz->ops->bind(tz, pos);
+ ret = tz->ops.bind(tz, pos);
if (ret)
print_bind_err_msg(tz, pos, ret);
}
@@ -1230,11 +1238,8 @@ int thermal_zone_get_crit_temp(struct thermal_zone_device *tz, int *temp)
{
int i, ret = -EINVAL;
- if (tz->ops->get_crit_temp)
- return tz->ops->get_crit_temp(tz, temp);
-
- if (!tz->trips)
- return -EINVAL;
+ if (tz->ops.get_crit_temp)
+ return tz->ops.get_crit_temp(tz, temp);
mutex_lock(&tz->lock);
@@ -1257,7 +1262,6 @@ EXPORT_SYMBOL_GPL(thermal_zone_get_crit_temp);
* @type: the thermal zone device type
* @trips: a pointer to an array of thermal trips
* @num_trips: the number of trip points the thermal zone support
- * @mask: a bit string indicating the writeablility of trip points
* @devdata: private device data
* @ops: standard thermal zone device callbacks
* @tzp: thermal zone platform parameters
@@ -1278,10 +1282,12 @@ EXPORT_SYMBOL_GPL(thermal_zone_get_crit_temp);
* IS_ERR*() helpers.
*/
struct thermal_zone_device *
-thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *trips, int num_trips, int mask,
- void *devdata, struct thermal_zone_device_ops *ops,
- const struct thermal_zone_params *tzp, int passive_delay,
- int polling_delay)
+thermal_zone_device_register_with_trips(const char *type,
+ const struct thermal_trip *trips,
+ int num_trips, void *devdata,
+ const struct thermal_zone_device_ops *ops,
+ const struct thermal_zone_params *tzp,
+ int passive_delay, int polling_delay)
{
struct thermal_zone_device *tz;
int id;
@@ -1299,20 +1305,7 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
return ERR_PTR(-EINVAL);
}
- /*
- * Max trip count can't exceed 31 as the "mask >> num_trips" condition.
- * For example, shifting by 32 will result in compiler warning:
- * warning: right shift count >= width of type [-Wshift-count- overflow]
- *
- * Also "mask >> num_trips" will always be true with 32 bit shift.
- * E.g. mask = 0x80000000 for trip id 31 to be RW. Then
- * mask >> 32 = 0x80000000
- * This will result in failure for the below condition.
- *
- * Check will be true when the bit 31 of the mask is set.
- * 32 bit shift will cause overflow of 4 byte integer.
- */
- if (num_trips > (BITS_PER_TYPE(int) - 1) || num_trips < 0 || mask >> num_trips) {
+ if (num_trips < 0) {
pr_err("Incorrect number of thermal trips\n");
return ERR_PTR(-EINVAL);
}
@@ -1328,7 +1321,7 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
if (!thermal_class)
return ERR_PTR(-ENODEV);
- tz = kzalloc(sizeof(*tz), GFP_KERNEL);
+ tz = kzalloc(struct_size(tz, trips, num_trips), GFP_KERNEL);
if (!tz)
return ERR_PTR(-ENOMEM);
@@ -1354,21 +1347,21 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
tz->id = id;
strscpy(tz->type, type, sizeof(tz->type));
- if (!ops->critical)
- ops->critical = thermal_zone_device_critical;
+ tz->ops = *ops;
+ if (!tz->ops.critical)
+ tz->ops.critical = thermal_zone_device_critical;
- tz->ops = ops;
tz->device.class = thermal_class;
tz->devdata = devdata;
- tz->trips = trips;
tz->num_trips = num_trips;
+ memcpy(tz->trips, trips, num_trips * sizeof(*trips));
thermal_set_delay_jiffies(&tz->passive_delay_jiffies, passive_delay);
thermal_set_delay_jiffies(&tz->polling_delay_jiffies, polling_delay);
/* sys I/F */
/* Add nodes that are always present via .groups */
- result = thermal_zone_create_device_groups(tz, mask);
+ result = thermal_zone_create_device_groups(tz);
if (result)
goto remove_id;
@@ -1443,10 +1436,10 @@ EXPORT_SYMBOL_GPL(thermal_zone_device_register_with_trips);
struct thermal_zone_device *thermal_tripless_zone_device_register(
const char *type,
void *devdata,
- struct thermal_zone_device_ops *ops,
+ const struct thermal_zone_device_ops *ops,
const struct thermal_zone_params *tzp)
{
- return thermal_zone_device_register_with_trips(type, NULL, 0, 0, devdata,
+ return thermal_zone_device_register_with_trips(type, NULL, 0, devdata,
ops, tzp, 0, 0);
}
EXPORT_SYMBOL_GPL(thermal_tripless_zone_device_register);
@@ -1505,8 +1498,8 @@ void thermal_zone_device_unregister(struct thermal_zone_device *tz)
/* Unbind all cdevs associated with 'this' thermal zone */
list_for_each_entry(cdev, &thermal_cdev_list, node)
- if (tz->ops->unbind)
- tz->ops->unbind(tz, cdev);
+ if (tz->ops.unbind)
+ tz->ops.unbind(tz, cdev);
mutex_unlock(&thermal_list_lock);
@@ -1640,6 +1633,12 @@ static int thermal_pm_notify(struct notifier_block *nb,
static struct notifier_block thermal_pm_nb = {
.notifier_call = thermal_pm_notify,
+ /*
+ * Run at the lowest priority to avoid interference between the thermal
+ * zone resume work items spawned by thermal_pm_notify() and the other
+ * PM notifiers.
+ */
+ .priority = INT_MIN,
};
static int __init thermal_init(void)
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index e9c099ecdd..0d8a42bb7c 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -131,7 +131,7 @@ void thermal_zone_trip_updated(struct thermal_zone_device *tz,
int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
/* sysfs I/F */
-int thermal_zone_create_device_groups(struct thermal_zone_device *, int);
+int thermal_zone_create_device_groups(struct thermal_zone_device *tz);
void thermal_zone_destroy_device_groups(struct thermal_zone_device *);
void thermal_cooling_device_setup_sysfs(struct thermal_cooling_device *);
void thermal_cooling_device_destroy_sysfs(struct thermal_cooling_device *cdev);
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index 0329f4a71b..c5a057b59c 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -26,8 +26,8 @@ int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip
{
enum thermal_trend trend;
- if (tz->emul_temperature || !tz->ops->get_trend ||
- tz->ops->get_trend(tz, trip, &trend)) {
+ if (tz->emul_temperature || !tz->ops.get_trend ||
+ tz->ops.get_trend(tz, trip, &trend)) {
if (tz->temperature > tz->last_temperature)
trend = THERMAL_TREND_RAISING;
else if (tz->temperature < tz->last_temperature)
@@ -75,7 +75,7 @@ EXPORT_SYMBOL(get_thermal_instance);
* temperature and fill @temp.
*
* Both tz and tz->ops must be valid pointers when calling this function,
- * and the tz->ops->get_temp callback must be provided.
+ * and the tz->ops.get_temp callback must be provided.
* The function must be called under tz->lock.
*
* Return: On success returns 0, an error code otherwise
@@ -88,7 +88,7 @@ int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
lockdep_assert_held(&tz->lock);
- ret = tz->ops->get_temp(tz, temp);
+ ret = tz->ops.get_temp(tz, temp);
if (IS_ENABLED(CONFIG_THERMAL_EMULATION) && tz->emul_temperature) {
for_each_trip(tz, trip) {
@@ -132,7 +132,7 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
mutex_lock(&tz->lock);
- if (!tz->ops->get_temp) {
+ if (!tz->ops.get_temp) {
ret = -EINVAL;
goto unlock;
}
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index 252116f1e5..f0e504fd86 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -80,7 +80,7 @@ temp_crit_show(struct device *dev, struct device_attribute *attr, char *buf)
mutex_lock(&tz->lock);
- ret = tz->ops->get_crit_temp(tz, &temperature);
+ ret = tz->ops.get_crit_temp(tz, &temperature);
mutex_unlock(&tz->lock);
@@ -132,7 +132,7 @@ thermal_hwmon_lookup_temp(const struct thermal_hwmon_device *hwmon,
static bool thermal_zone_crit_temp_valid(struct thermal_zone_device *tz)
{
int temp;
- return tz->ops->get_crit_temp && !tz->ops->get_crit_temp(tz, &temp);
+ return tz->ops.get_crit_temp && !tz->ops.get_crit_temp(tz, &temp);
}
int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index 61bbd42aa2..aa34b6e82e 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -117,6 +117,8 @@ static int thermal_of_populate_trip(struct device_node *np,
return ret;
}
+ trip->flags = THERMAL_TRIP_FLAG_RW_TEMP;
+
return 0;
}
@@ -442,13 +444,8 @@ static int thermal_of_unbind(struct thermal_zone_device *tz,
*/
static void thermal_of_zone_unregister(struct thermal_zone_device *tz)
{
- struct thermal_trip *trips = tz->trips;
- struct thermal_zone_device_ops *ops = tz->ops;
-
thermal_zone_device_disable(tz);
thermal_zone_device_unregister(tz);
- kfree(trips);
- kfree(ops);
}
/**
@@ -467,40 +464,34 @@ static void thermal_of_zone_unregister(struct thermal_zone_device *tz)
* @ops: A set of thermal sensor ops
*
* Return: a valid thermal zone structure pointer on success.
- * - EINVAL: if the device tree thermal description is malformed
+ * - EINVAL: if the device tree thermal description is malformed
* - ENOMEM: if one structure can not be allocated
* - Other negative errors are returned by the underlying called functions
*/
static struct thermal_zone_device *thermal_of_zone_register(struct device_node *sensor, int id, void *data,
const struct thermal_zone_device_ops *ops)
{
+ struct thermal_zone_device_ops of_ops = *ops;
struct thermal_zone_device *tz;
struct thermal_trip *trips;
struct thermal_zone_params tzp = {};
- struct thermal_zone_device_ops *of_ops;
struct device_node *np;
const char *action;
int delay, pdelay;
- int ntrips, mask;
+ int ntrips;
int ret;
- of_ops = kmemdup(ops, sizeof(*ops), GFP_KERNEL);
- if (!of_ops)
- return ERR_PTR(-ENOMEM);
-
np = of_thermal_zone_find(sensor, id);
if (IS_ERR(np)) {
if (PTR_ERR(np) != -ENODEV)
pr_err("Failed to find thermal zone for %pOFn id=%d\n", sensor, id);
- ret = PTR_ERR(np);
- goto out_kfree_of_ops;
+ return ERR_CAST(np);
}
trips = thermal_of_trips_init(np, &ntrips);
if (IS_ERR(trips)) {
pr_err("Failed to find trip points for %pOFn id=%d\n", sensor, id);
- ret = PTR_ERR(trips);
- goto out_kfree_of_ops;
+ return ERR_CAST(trips);
}
ret = thermal_of_monitor_init(np, &delay, &pdelay);
@@ -511,18 +502,16 @@ static struct thermal_zone_device *thermal_of_zone_register(struct device_node *
thermal_of_parameters_init(np, &tzp);
- of_ops->bind = thermal_of_bind;
- of_ops->unbind = thermal_of_unbind;
-
- mask = GENMASK_ULL((ntrips) - 1, 0);
+ of_ops.bind = thermal_of_bind;
+ of_ops.unbind = thermal_of_unbind;
ret = of_property_read_string(np, "critical-action", &action);
if (!ret)
- if (!of_ops->critical && !strcasecmp(action, "reboot"))
- of_ops->critical = thermal_zone_device_critical_reboot;
+ if (!of_ops.critical && !strcasecmp(action, "reboot"))
+ of_ops.critical = thermal_zone_device_critical_reboot;
tz = thermal_zone_device_register_with_trips(np->name, trips, ntrips,
- mask, data, of_ops, &tzp,
+ data, &of_ops, &tzp,
pdelay, delay);
if (IS_ERR(tz)) {
ret = PTR_ERR(tz);
@@ -530,6 +519,8 @@ static struct thermal_zone_device *thermal_of_zone_register(struct device_node *
goto out_kfree_trips;
}
+ kfree(trips);
+
ret = thermal_zone_device_enable(tz);
if (ret) {
pr_err("Failed to enabled thermal zone '%s', id=%d: %d\n",
@@ -542,8 +533,6 @@ static struct thermal_zone_device *thermal_of_zone_register(struct device_node *
out_kfree_trips:
kfree(trips);
-out_kfree_of_ops:
- kfree(of_ops);
return ERR_PTR(ret);
}
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index f4033865b0..5b533fa404 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -123,8 +123,8 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr,
trip = &tz->trips[trip_id];
if (temp != trip->temperature) {
- if (tz->ops->set_trip_temp) {
- ret = tz->ops->set_trip_temp(tz, trip_id, temp);
+ if (tz->ops.set_trip_temp) {
+ ret = tz->ops.set_trip_temp(tz, trip_id, temp);
if (ret)
goto unlock;
}
@@ -136,7 +136,7 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr,
unlock:
mutex_unlock(&tz->lock);
-
+
return ret ? ret : count;
}
@@ -174,21 +174,14 @@ trip_point_hyst_store(struct device *dev, struct device_attribute *attr,
trip = &tz->trips[trip_id];
if (hyst != trip->hysteresis) {
- if (tz->ops->set_trip_hyst) {
- ret = tz->ops->set_trip_hyst(tz, trip_id, hyst);
- if (ret)
- goto unlock;
- }
-
trip->hysteresis = hyst;
thermal_zone_trip_updated(tz, trip);
}
-unlock:
mutex_unlock(&tz->lock);
- return ret ? ret : count;
+ return count;
}
static ssize_t
@@ -250,10 +243,10 @@ emul_temp_store(struct device *dev, struct device_attribute *attr,
mutex_lock(&tz->lock);
- if (!tz->ops->set_emul_temp)
+ if (!tz->ops.set_emul_temp)
tz->emul_temperature = temperature;
else
- ret = tz->ops->set_emul_temp(tz, temperature);
+ ret = tz->ops.set_emul_temp(tz, temperature);
if (!ret)
__thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
@@ -392,17 +385,16 @@ static const struct attribute_group *thermal_zone_attribute_groups[] = {
/**
* create_trip_attrs() - create attributes for trip points
* @tz: the thermal zone device
- * @mask: Writeable trip point bitmap.
*
* helper function to instantiate sysfs entries for every trip
* point and its properties of a struct thermal_zone_device.
*
* Return: 0 on success, the proper error value otherwise.
*/
-static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
+static int create_trip_attrs(struct thermal_zone_device *tz)
{
+ const struct thermal_trip *trip;
struct attribute **attrs;
- int indx;
/* This function works only for zones with at least one trip */
if (tz->num_trips <= 0)
@@ -437,7 +429,9 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
return -ENOMEM;
}
- for (indx = 0; indx < tz->num_trips; indx++) {
+ for_each_trip(tz, trip) {
+ int indx = thermal_zone_trip_id(tz, trip);
+
/* create trip type attribute */
snprintf(tz->trip_type_attrs[indx].name, THERMAL_NAME_LENGTH,
"trip_point_%d_type", indx);
@@ -458,8 +452,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
tz->trip_temp_attrs[indx].name;
tz->trip_temp_attrs[indx].attr.attr.mode = S_IRUGO;
tz->trip_temp_attrs[indx].attr.show = trip_point_temp_show;
- if (IS_ENABLED(CONFIG_THERMAL_WRITABLE_TRIPS) &&
- mask & (1 << indx)) {
+ if (trip->flags & THERMAL_TRIP_FLAG_RW_TEMP) {
tz->trip_temp_attrs[indx].attr.attr.mode |= S_IWUSR;
tz->trip_temp_attrs[indx].attr.store =
trip_point_temp_store;
@@ -474,7 +467,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
tz->trip_hyst_attrs[indx].name;
tz->trip_hyst_attrs[indx].attr.attr.mode = S_IRUGO;
tz->trip_hyst_attrs[indx].attr.show = trip_point_hyst_show;
- if (tz->ops->set_trip_hyst) {
+ if (trip->flags & THERMAL_TRIP_FLAG_RW_HYST) {
tz->trip_hyst_attrs[indx].attr.attr.mode |= S_IWUSR;
tz->trip_hyst_attrs[indx].attr.store =
trip_point_hyst_store;
@@ -506,8 +499,7 @@ static void destroy_trip_attrs(struct thermal_zone_device *tz)
kfree(tz->trips_attribute_group.attrs);
}
-int thermal_zone_create_device_groups(struct thermal_zone_device *tz,
- int mask)
+int thermal_zone_create_device_groups(struct thermal_zone_device *tz)
{
const struct attribute_group **groups;
int i, size, result;
@@ -523,7 +515,7 @@ int thermal_zone_create_device_groups(struct thermal_zone_device *tz,
groups[i] = thermal_zone_attribute_groups[i];
if (tz->num_trips) {
- result = create_trip_attrs(tz, mask);
+ result = create_trip_attrs(tz);
if (result) {
kfree(groups);
diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c
index e6dcb8117c..497abf0d47 100644
--- a/drivers/thermal/thermal_trip.c
+++ b/drivers/thermal/thermal_trip.c
@@ -69,7 +69,7 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
lockdep_assert_held(&tz->lock);
- if (!tz->ops->set_trips)
+ if (!tz->ops.set_trips)
return;
for_each_trip(tz, trip) {
@@ -99,7 +99,7 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
* Set a temperature window. When this window is left the driver
* must inform the thermal core via thermal_zone_device_update.
*/
- ret = tz->ops->set_trips(tz, low, high);
+ ret = tz->ops.set_trips(tz, low, high);
if (ret)
dev_err(&tz->device, "Failed to set trips: %d\n", ret);
}
@@ -107,7 +107,7 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
struct thermal_trip *trip)
{
- if (!tz || !tz->trips || trip_id < 0 || trip_id >= tz->num_trips || !trip)
+ if (!tz || trip_id < 0 || trip_id >= tz->num_trips || !trip)
return -EINVAL;
*trip = tz->trips[trip_id];