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-rw-r--r--drivers/thermal/cpufreq_cooling.c2
-rw-r--r--drivers/thermal/gov_bang_bang.c11
-rw-r--r--drivers/thermal/gov_fair_share.c16
-rw-r--r--drivers/thermal/gov_power_allocator.c71
-rw-r--r--drivers/thermal/gov_step_wise.c16
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3402_thermal.c3
-rw-r--r--drivers/thermal/intel/x86_pkg_temp_thermal.c1
-rw-r--r--drivers/thermal/mediatek/lvts_thermal.c71
-rw-r--r--drivers/thermal/qcom/qcom-spmi-temp-alarm.c43
-rw-r--r--drivers/thermal/qoriq_thermal.c13
-rw-r--r--drivers/thermal/rockchip_thermal.c1
-rw-r--r--drivers/thermal/thermal_core.c33
-rw-r--r--drivers/thermal/thermal_core.h5
-rw-r--r--drivers/thermal/thermal_helpers.c5
-rw-r--r--drivers/thermal/thermal_of.c53
-rw-r--r--drivers/thermal/thermal_sysfs.c9
16 files changed, 219 insertions, 134 deletions
diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index 280071be30b1..6b7ab1814c12 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -57,8 +57,6 @@ struct time_in_idle {
* @max_level: maximum cooling level. One less than total number of valid
* cpufreq frequencies.
* @em: Reference on the Energy Model of the device
- * @cdev: thermal_cooling_device pointer to keep track of the
- * registered cooling device.
* @policy: cpufreq policy.
* @cooling_ops: cpufreq callbacks to thermal cooling device ops
* @idle_time: idle time stats
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index 863e7a4272e6..b887e48e8c7e 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -67,6 +67,7 @@ static void bang_bang_control(struct thermal_zone_device *tz,
const struct thermal_trip *trip,
bool crossed_up)
{
+ const struct thermal_trip_desc *td = trip_to_trip_desc(trip);
struct thermal_instance *instance;
lockdep_assert_held(&tz->lock);
@@ -75,10 +76,8 @@ static void bang_bang_control(struct thermal_zone_device *tz,
thermal_zone_trip_id(tz, trip), trip->temperature,
tz->temperature, trip->hysteresis);
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
- if (instance->trip == trip)
- bang_bang_set_instance_target(instance, crossed_up);
- }
+ list_for_each_entry(instance, &td->thermal_instances, trip_node)
+ bang_bang_set_instance_target(instance, crossed_up);
}
static void bang_bang_manage(struct thermal_zone_device *tz)
@@ -104,8 +103,8 @@ static void bang_bang_manage(struct thermal_zone_device *tz)
* to the thermal zone temperature and the trip point threshold.
*/
turn_on = tz->temperature >= td->threshold;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
- if (!instance->initialized && instance->trip == trip)
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
+ if (!instance->initialized)
bang_bang_set_instance_target(instance, turn_on);
}
}
diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
index ce0ea571ed67..d37d57d48c38 100644
--- a/drivers/thermal/gov_fair_share.c
+++ b/drivers/thermal/gov_fair_share.c
@@ -44,7 +44,7 @@ static int get_trip_level(struct thermal_zone_device *tz)
/**
* fair_share_throttle - throttles devices associated with the given zone
* @tz: thermal_zone_device
- * @trip: trip point
+ * @td: trip point descriptor
* @trip_level: number of trips crossed by the zone temperature
*
* Throttling Logic: This uses three parameters to calculate the new
@@ -61,29 +61,23 @@ static int get_trip_level(struct thermal_zone_device *tz)
* new_state of cooling device = P3 * P2 * P1
*/
static void fair_share_throttle(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
+ const struct thermal_trip_desc *td,
int trip_level)
{
struct thermal_instance *instance;
int total_weight = 0;
int nr_instances = 0;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
- if (instance->trip != trip)
- continue;
-
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
total_weight += instance->weight;
nr_instances++;
}
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
struct thermal_cooling_device *cdev = instance->cdev;
u64 dividend;
u32 divisor;
- if (instance->trip != trip)
- continue;
-
dividend = trip_level;
dividend *= cdev->max_state;
divisor = tz->num_trips;
@@ -116,7 +110,7 @@ static void fair_share_manage(struct thermal_zone_device *tz)
trip->type == THERMAL_TRIP_HOT)
continue;
- fair_share_throttle(tz, trip, trip_level);
+ fair_share_throttle(tz, td, trip_level);
}
}
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index 1b2345a697c5..90b4bfd9237b 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -97,11 +97,9 @@ struct power_allocator_params {
struct power_actor *power;
};
-static bool power_actor_is_valid(struct power_allocator_params *params,
- struct thermal_instance *instance)
+static bool power_actor_is_valid(struct thermal_instance *instance)
{
- return (instance->trip == params->trip_max &&
- cdev_is_power_actor(instance->cdev));
+ return cdev_is_power_actor(instance->cdev);
}
/**
@@ -118,13 +116,14 @@ static bool power_actor_is_valid(struct power_allocator_params *params,
static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
{
struct power_allocator_params *params = tz->governor_data;
+ const struct thermal_trip_desc *td = trip_to_trip_desc(params->trip_max);
struct thermal_cooling_device *cdev;
struct thermal_instance *instance;
u32 sustainable_power = 0;
u32 min_power;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
- if (!power_actor_is_valid(params, instance))
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
+ if (!power_actor_is_valid(instance))
continue;
cdev = instance->cdev;
@@ -364,7 +363,7 @@ static void divvy_up_power(struct power_actor *power, int num_actors,
for (i = 0; i < num_actors; i++) {
struct power_actor *pa = &power[i];
- u64 req_range = (u64)pa->req_power * power_range;
+ u64 req_range = (u64)pa->weighted_req_power * power_range;
pa->granted_power = DIV_ROUND_CLOSEST_ULL(req_range,
total_req_power);
@@ -400,6 +399,7 @@ static void divvy_up_power(struct power_actor *power, int num_actors,
static void allocate_power(struct thermal_zone_device *tz, int control_temp)
{
struct power_allocator_params *params = tz->governor_data;
+ const struct thermal_trip_desc *td = trip_to_trip_desc(params->trip_max);
unsigned int num_actors = params->num_actors;
struct power_actor *power = params->power;
struct thermal_cooling_device *cdev;
@@ -417,10 +417,10 @@ static void allocate_power(struct thermal_zone_device *tz, int control_temp)
/* Clean all buffers for new power estimations */
memset(power, 0, params->buffer_size);
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
struct power_actor *pa = &power[i];
- if (!power_actor_is_valid(params, instance))
+ if (!power_actor_is_valid(instance))
continue;
cdev = instance->cdev;
@@ -454,10 +454,10 @@ static void allocate_power(struct thermal_zone_device *tz, int control_temp)
power_range);
i = 0;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
struct power_actor *pa = &power[i];
- if (!power_actor_is_valid(params, instance))
+ if (!power_actor_is_valid(instance))
continue;
power_actor_set_power(instance->cdev, instance,
@@ -538,12 +538,13 @@ static void reset_pid_controller(struct power_allocator_params *params)
static void allow_maximum_power(struct thermal_zone_device *tz)
{
struct power_allocator_params *params = tz->governor_data;
+ const struct thermal_trip_desc *td = trip_to_trip_desc(params->trip_max);
struct thermal_cooling_device *cdev;
struct thermal_instance *instance;
u32 req_power;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
- if (!power_actor_is_valid(params, instance))
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
+ if (!power_actor_is_valid(instance))
continue;
cdev = instance->cdev;
@@ -581,13 +582,16 @@ static void allow_maximum_power(struct thermal_zone_device *tz)
static int check_power_actors(struct thermal_zone_device *tz,
struct power_allocator_params *params)
{
+ const struct thermal_trip_desc *td;
struct thermal_instance *instance;
int ret = 0;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
- if (instance->trip != params->trip_max)
- continue;
+ if (!params->trip_max)
+ return 0;
+
+ td = trip_to_trip_desc(params->trip_max);
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
if (!cdev_is_power_actor(instance->cdev)) {
dev_warn(&tz->device, "power_allocator: %s is not a power actor\n",
instance->cdev->type);
@@ -631,30 +635,43 @@ clean_state:
return ret;
}
+static void power_allocator_update_weight(struct power_allocator_params *params)
+{
+ const struct thermal_trip_desc *td;
+ struct thermal_instance *instance;
+
+ if (!params->trip_max)
+ return;
+
+ td = trip_to_trip_desc(params->trip_max);
+
+ params->total_weight = 0;
+ list_for_each_entry(instance, &td->thermal_instances, trip_node)
+ if (power_actor_is_valid(instance))
+ params->total_weight += instance->weight;
+}
+
static void power_allocator_update_tz(struct thermal_zone_device *tz,
enum thermal_notify_event reason)
{
struct power_allocator_params *params = tz->governor_data;
+ const struct thermal_trip_desc *td = trip_to_trip_desc(params->trip_max);
struct thermal_instance *instance;
int num_actors = 0;
switch (reason) {
case THERMAL_TZ_BIND_CDEV:
case THERMAL_TZ_UNBIND_CDEV:
- list_for_each_entry(instance, &tz->thermal_instances, tz_node)
- if (power_actor_is_valid(params, instance))
+ list_for_each_entry(instance, &td->thermal_instances, trip_node)
+ if (power_actor_is_valid(instance))
num_actors++;
- if (num_actors == params->num_actors)
- return;
+ if (num_actors != params->num_actors)
+ allocate_actors_buffer(params, num_actors);
- allocate_actors_buffer(params, num_actors);
- break;
+ fallthrough;
case THERMAL_INSTANCE_WEIGHT_CHANGED:
- params->total_weight = 0;
- list_for_each_entry(instance, &tz->thermal_instances, tz_node)
- if (power_actor_is_valid(params, instance))
- params->total_weight += instance->weight;
+ power_allocator_update_weight(params);
break;
default:
break;
@@ -720,6 +737,8 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
tz->governor_data = params;
+ power_allocator_update_weight(params);
+
return 0;
free_params:
diff --git a/drivers/thermal/gov_step_wise.c b/drivers/thermal/gov_step_wise.c
index fd5527188cf9..ea4bf88d37f3 100644
--- a/drivers/thermal/gov_step_wise.c
+++ b/drivers/thermal/gov_step_wise.c
@@ -66,9 +66,10 @@ static unsigned long get_target_state(struct thermal_instance *instance,
}
static void thermal_zone_trip_update(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
+ const struct thermal_trip_desc *td,
int trip_threshold)
{
+ const struct thermal_trip *trip = &td->trip;
enum thermal_trend trend = get_tz_trend(tz, trip);
int trip_id = thermal_zone_trip_id(tz, trip);
struct thermal_instance *instance;
@@ -82,12 +83,9 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz,
dev_dbg(&tz->device, "Trip%d[type=%d,temp=%d]:trend=%d,throttle=%d\n",
trip_id, trip->type, trip_threshold, trend, throttle);
- list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+ list_for_each_entry(instance, &td->thermal_instances, trip_node) {
int old_target;
- if (instance->trip != trip)
- continue;
-
old_target = instance->target;
instance->target = get_target_state(instance, trend, throttle);
@@ -127,11 +125,13 @@ static void step_wise_manage(struct thermal_zone_device *tz)
trip->type == THERMAL_TRIP_HOT)
continue;
- thermal_zone_trip_update(tz, trip, td->threshold);
+ thermal_zone_trip_update(tz, td, td->threshold);
}
- list_for_each_entry(instance, &tz->thermal_instances, tz_node)
- thermal_cdev_update(instance->cdev);
+ for_each_trip_desc(tz, td) {
+ list_for_each_entry(instance, &td->thermal_instances, trip_node)
+ thermal_cdev_update(instance->cdev);
+ }
}
static struct thermal_governor thermal_gov_step_wise = {
diff --git a/drivers/thermal/intel/int340x_thermal/int3402_thermal.c b/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
index ab8bfb5a3946..40ab6b2d4fb0 100644
--- a/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
@@ -45,6 +45,9 @@ static int int3402_thermal_probe(struct platform_device *pdev)
struct int3402_thermal_data *d;
int ret;
+ if (!adev)
+ return -ENODEV;
+
if (!acpi_has_method(adev->handle, "_TMP"))
return -ENODEV;
diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c
index 65b33b56a9be..8c44f378b61e 100644
--- a/drivers/thermal/intel/x86_pkg_temp_thermal.c
+++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c
@@ -329,6 +329,7 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
tj_max = intel_tcc_get_tjmax(cpu);
if (tj_max < 0)
return tj_max;
+ tj_max *= 1000;
zonedev = kzalloc(sizeof(*zonedev), GFP_KERNEL);
if (!zonedev)
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 1997e91bb3be..ae063d1bc95f 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -65,7 +65,6 @@
#define LVTS_HW_FILTER 0x0
#define LVTS_TSSEL_CONF 0x13121110
#define LVTS_CALSCALE_CONF 0x300
-#define LVTS_MONINT_CONF 0x8300318C
#define LVTS_MONINT_OFFSET_SENSOR0 0xC
#define LVTS_MONINT_OFFSET_SENSOR1 0x180
@@ -91,8 +90,6 @@
#define LVTS_MSR_READ_TIMEOUT_US 400
#define LVTS_MSR_READ_WAIT_US (LVTS_MSR_READ_TIMEOUT_US / 2)
-#define LVTS_HW_TSHUT_TEMP 105000
-
#define LVTS_MINIMUM_THRESHOLD 20000
static int golden_temp = LVTS_GOLDEN_TEMP_DEFAULT;
@@ -145,7 +142,6 @@ struct lvts_ctrl {
struct lvts_sensor sensors[LVTS_SENSOR_MAX];
const struct lvts_data *lvts_data;
u32 calibration[LVTS_SENSOR_MAX];
- u32 hw_tshut_raw_temp;
u8 valid_sensor_mask;
int mode;
void __iomem *base;
@@ -213,6 +209,13 @@ static const struct debugfs_reg32 lvts_regs[] = {
LVTS_DEBUG_FS_REGS(LVTS_CLKEN),
};
+static void lvts_debugfs_exit(void *data)
+{
+ struct lvts_domain *lvts_td = data;
+
+ debugfs_remove_recursive(lvts_td->dom_dentry);
+}
+
static int lvts_debugfs_init(struct device *dev, struct lvts_domain *lvts_td)
{
struct debugfs_regset32 *regset;
@@ -245,12 +248,7 @@ static int lvts_debugfs_init(struct device *dev, struct lvts_domain *lvts_td)
debugfs_create_regset32("registers", 0400, dentry, regset);
}
- return 0;
-}
-
-static void lvts_debugfs_exit(struct lvts_domain *lvts_td)
-{
- debugfs_remove_recursive(lvts_td->dom_dentry);
+ return devm_add_action_or_reset(dev, lvts_debugfs_exit, lvts_td);
}
#else
@@ -261,8 +259,6 @@ static inline int lvts_debugfs_init(struct device *dev,
return 0;
}
-static void lvts_debugfs_exit(struct lvts_domain *lvts_td) { }
-
#endif
static int lvts_raw_to_temp(u32 raw_temp, int temp_factor)
@@ -837,14 +833,6 @@ static int lvts_ctrl_init(struct device *dev, struct lvts_domain *lvts_td,
*/
lvts_ctrl[i].mode = lvts_data->lvts_ctrl[i].mode;
- /*
- * The temperature to raw temperature must be done
- * after initializing the calibration.
- */
- lvts_ctrl[i].hw_tshut_raw_temp =
- lvts_temp_to_raw(LVTS_HW_TSHUT_TEMP,
- lvts_data->temp_factor);
-
lvts_ctrl[i].low_thresh = INT_MIN;
lvts_ctrl[i].high_thresh = INT_MIN;
}
@@ -860,6 +848,32 @@ static int lvts_ctrl_init(struct device *dev, struct lvts_domain *lvts_td,
return 0;
}
+static void lvts_ctrl_monitor_enable(struct device *dev, struct lvts_ctrl *lvts_ctrl, bool enable)
+{
+ /*
+ * Bitmaps to enable each sensor on filtered mode in the MONCTL0
+ * register.
+ */
+ static const u8 sensor_filt_bitmap[] = { BIT(0), BIT(1), BIT(2), BIT(3) };
+ u32 sensor_map = 0;
+ int i;
+
+ if (lvts_ctrl->mode != LVTS_MSR_FILTERED_MODE)
+ return;
+
+ if (enable) {
+ lvts_for_each_valid_sensor(i, lvts_ctrl)
+ sensor_map |= sensor_filt_bitmap[i];
+ }
+
+ /*
+ * Bits:
+ * 9: Single point access flow
+ * 0-3: Enable sensing point 0-3
+ */
+ writel(sensor_map | BIT(9), LVTS_MONCTL0(lvts_ctrl->base));
+}
+
/*
* At this point the configuration register is the only place in the
* driver where we write multiple values. Per hardware constraint,
@@ -893,7 +907,6 @@ static int lvts_irq_init(struct lvts_ctrl *lvts_ctrl)
* 10 : Selected sensor with bits 19-18
* 11 : Reserved
*/
- writel(BIT(16), LVTS_PROTCTL(lvts_ctrl->base));
/*
* LVTS_PROTTA : Stage 1 temperature threshold
@@ -906,8 +919,8 @@ static int lvts_irq_init(struct lvts_ctrl *lvts_ctrl)
*
* writel(0x0, LVTS_PROTTA(lvts_ctrl->base));
* writel(0x0, LVTS_PROTTB(lvts_ctrl->base));
+ * writel(0x0, LVTS_PROTTC(lvts_ctrl->base));
*/
- writel(lvts_ctrl->hw_tshut_raw_temp, LVTS_PROTTC(lvts_ctrl->base));
/*
* LVTS_MONINT : Interrupt configuration register
@@ -915,7 +928,7 @@ static int lvts_irq_init(struct lvts_ctrl *lvts_ctrl)
* The LVTS_MONINT register layout is the same as the LVTS_MONINTSTS
* register, except we set the bits to enable the interrupt.
*/
- writel(LVTS_MONINT_CONF, LVTS_MONINT(lvts_ctrl->base));
+ writel(0, LVTS_MONINT(lvts_ctrl->base));
return 0;
}
@@ -1339,8 +1352,6 @@ static void lvts_remove(struct platform_device *pdev)
for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
-
- lvts_debugfs_exit(lvts_td);
}
static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = {
@@ -1381,8 +1392,11 @@ static int lvts_suspend(struct device *dev)
lvts_td = dev_get_drvdata(dev);
- for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {
+ lvts_ctrl_monitor_enable(dev, &lvts_td->lvts_ctrl[i], false);
+ usleep_range(100, 200);
lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
+ }
clk_disable_unprepare(lvts_td->clk);
@@ -1400,8 +1414,11 @@ static int lvts_resume(struct device *dev)
if (ret)
return ret;
- for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++) {
lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], true);
+ usleep_range(100, 200);
+ lvts_ctrl_monitor_enable(dev, &lvts_td->lvts_ctrl[i], true);
+ }
return 0;
}
diff --git a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
index c2d59cbfaea9..a575585c737b 100644
--- a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
+++ b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2011-2015, 2017, 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
#include <linux/bitops.h>
@@ -16,6 +17,7 @@
#include "../thermal_hwmon.h"
+#define QPNP_TM_REG_DIG_MINOR 0x00
#define QPNP_TM_REG_DIG_MAJOR 0x01
#define QPNP_TM_REG_TYPE 0x04
#define QPNP_TM_REG_SUBTYPE 0x05
@@ -31,7 +33,7 @@
#define STATUS_GEN2_STATE_MASK GENMASK(6, 4)
#define STATUS_GEN2_STATE_SHIFT 4
-#define SHUTDOWN_CTRL1_OVERRIDE_S2 BIT(6)
+#define SHUTDOWN_CTRL1_OVERRIDE_STAGE2 BIT(6)
#define SHUTDOWN_CTRL1_THRESHOLD_MASK GENMASK(1, 0)
#define SHUTDOWN_CTRL1_RATE_25HZ BIT(3)
@@ -78,6 +80,7 @@ struct qpnp_tm_chip {
/* protects .thresh, .stage and chip registers */
struct mutex lock;
bool initialized;
+ bool require_stage2_shutdown;
struct iio_channel *adc;
const long (*temp_map)[THRESH_COUNT][STAGE_COUNT];
@@ -220,13 +223,13 @@ static int qpnp_tm_update_critical_trip_temp(struct qpnp_tm_chip *chip,
{
long stage2_threshold_min = (*chip->temp_map)[THRESH_MIN][1];
long stage2_threshold_max = (*chip->temp_map)[THRESH_MAX][1];
- bool disable_s2_shutdown = false;
+ bool disable_stage2_shutdown = false;
u8 reg;
WARN_ON(!mutex_is_locked(&chip->lock));
/*
- * Default: S2 and S3 shutdown enabled, thresholds at
+ * Default: Stage 2 and Stage 3 shutdown enabled, thresholds at
* lowest threshold set, monitoring at 25Hz
*/
reg = SHUTDOWN_CTRL1_RATE_25HZ;
@@ -241,12 +244,12 @@ static int qpnp_tm_update_critical_trip_temp(struct qpnp_tm_chip *chip,
chip->thresh = THRESH_MAX -
((stage2_threshold_max - temp) /
TEMP_THRESH_STEP);
- disable_s2_shutdown = true;
+ disable_stage2_shutdown = true;
} else {
chip->thresh = THRESH_MAX;
if (chip->adc)
- disable_s2_shutdown = true;
+ disable_stage2_shutdown = true;
else
dev_warn(chip->dev,
"No ADC is configured and critical temperature %d mC is above the maximum stage 2 threshold of %ld mC! Configuring stage 2 shutdown at %ld mC.\n",
@@ -255,8 +258,8 @@ static int qpnp_tm_update_critical_trip_temp(struct qpnp_tm_chip *chip,
skip:
reg |= chip->thresh;
- if (disable_s2_shutdown)
- reg |= SHUTDOWN_CTRL1_OVERRIDE_S2;
+ if (disable_stage2_shutdown && !chip->require_stage2_shutdown)
+ reg |= SHUTDOWN_CTRL1_OVERRIDE_STAGE2;
return qpnp_tm_write(chip, QPNP_TM_REG_SHUTDOWN_CTRL1, reg);
}
@@ -350,8 +353,8 @@ static int qpnp_tm_probe(struct platform_device *pdev)
{
struct qpnp_tm_chip *chip;
struct device_node *node;
- u8 type, subtype, dig_major;
- u32 res;
+ u8 type, subtype, dig_major, dig_minor;
+ u32 res, dig_revision;
int ret, irq;
node = pdev->dev.of_node;
@@ -403,6 +406,11 @@ static int qpnp_tm_probe(struct platform_device *pdev)
return dev_err_probe(&pdev->dev, ret,
"could not read dig_major\n");
+ ret = qpnp_tm_read(chip, QPNP_TM_REG_DIG_MINOR, &dig_minor);
+ if (ret < 0)
+ return dev_err_probe(&pdev->dev, ret,
+ "could not read dig_minor\n");
+
if (type != QPNP_TM_TYPE || (subtype != QPNP_TM_SUBTYPE_GEN1
&& subtype != QPNP_TM_SUBTYPE_GEN2)) {
dev_err(&pdev->dev, "invalid type 0x%02x or subtype 0x%02x\n",
@@ -416,6 +424,23 @@ static int qpnp_tm_probe(struct platform_device *pdev)
else
chip->temp_map = &temp_map_gen1;
+ if (chip->subtype == QPNP_TM_SUBTYPE_GEN2) {
+ dig_revision = (dig_major << 8) | dig_minor;
+ /*
+ * Check if stage 2 automatic partial shutdown must remain
+ * enabled to avoid potential repeated faults upon reaching
+ * over-temperature stage 3.
+ */
+ switch (dig_revision) {
+ case 0x0001:
+ case 0x0002:
+ case 0x0100:
+ case 0x0101:
+ chip->require_stage2_shutdown = true;
+ break;
+ }
+ }
+
/*
* Register the sensor before initializing the hardware to be able to
* read the trip points. get_temp() returns the default temperature
diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index 52e26be8c53d..aed2729f63d0 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -18,6 +18,7 @@
#define SITES_MAX 16
#define TMR_DISABLE 0x0
#define TMR_ME 0x80000000
+#define TMR_CMD BIT(29)
#define TMR_ALPF 0x0c000000
#define TMR_ALPF_V2 0x03000000
#define TMTMIR_DEFAULT 0x0000000f
@@ -356,6 +357,12 @@ static int qoriq_tmu_suspend(struct device *dev)
if (ret)
return ret;
+ if (data->ver > TMU_VER1) {
+ ret = regmap_set_bits(data->regmap, REGS_TMR, TMR_CMD);
+ if (ret)
+ return ret;
+ }
+
clk_disable_unprepare(data->clk);
return 0;
@@ -370,6 +377,12 @@ static int qoriq_tmu_resume(struct device *dev)
if (ret)
return ret;
+ if (data->ver > TMU_VER1) {
+ ret = regmap_clear_bits(data->regmap, REGS_TMR, TMR_CMD);
+ if (ret)
+ return ret;
+ }
+
/* Enable monitoring */
return regmap_update_bits(data->regmap, REGS_TMR, TMR_ME, TMR_ME);
}
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 086ed42dd16c..a84f48a752d1 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -386,6 +386,7 @@ static const struct tsadc_table rk3328_code_table[] = {
{296, -40000},
{304, -35000},
{313, -30000},
+ {322, -25000},
{331, -20000},
{340, -15000},
{349, -10000},
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 1d2f2b307bac..c2fa236e10cd 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -490,7 +490,7 @@ static void thermal_zone_device_check(struct work_struct *work)
static void thermal_zone_device_init(struct thermal_zone_device *tz)
{
- struct thermal_instance *pos;
+ struct thermal_trip_desc *td;
INIT_DELAYED_WORK(&tz->poll_queue, thermal_zone_device_check);
@@ -498,8 +498,12 @@ static void thermal_zone_device_init(struct thermal_zone_device *tz)
tz->passive = 0;
tz->prev_low_trip = -INT_MAX;
tz->prev_high_trip = INT_MAX;
- list_for_each_entry(pos, &tz->thermal_instances, tz_node)
- pos->initialized = false;
+ for_each_trip_desc(tz, td) {
+ struct thermal_instance *instance;
+
+ list_for_each_entry(instance, &td->thermal_instances, trip_node)
+ instance->initialized = false;
+ }
}
static void thermal_governor_trip_crossed(struct thermal_governor *governor,
@@ -764,12 +768,12 @@ struct thermal_zone_device *thermal_zone_get_by_id(int id)
* Return: 0 on success, the proper error value otherwise.
*/
static int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
+ struct thermal_trip *trip,
struct thermal_cooling_device *cdev,
struct cooling_spec *cool_spec)
{
- struct thermal_instance *dev;
- struct thermal_instance *pos;
+ struct thermal_trip_desc *td = trip_to_trip_desc(trip);
+ struct thermal_instance *dev, *instance;
bool upper_no_limit;
int result;
@@ -832,13 +836,13 @@ static int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
goto remove_trip_file;
mutex_lock(&cdev->lock);
- list_for_each_entry(pos, &tz->thermal_instances, tz_node)
- if (pos->trip == trip && pos->cdev == cdev) {
+ list_for_each_entry(instance, &td->thermal_instances, trip_node)
+ if (instance->cdev == cdev) {
result = -EEXIST;
break;
}
if (!result) {
- list_add_tail(&dev->tz_node, &tz->thermal_instances);
+ list_add_tail(&dev->trip_node, &td->thermal_instances);
list_add_tail(&dev->cdev_node, &cdev->thermal_instances);
atomic_set(&tz->need_update, 1);
@@ -872,15 +876,16 @@ free_mem:
* This function is usually called in the thermal zone device .unbind callback.
*/
static void thermal_unbind_cdev_from_trip(struct thermal_zone_device *tz,
- const struct thermal_trip *trip,
+ struct thermal_trip *trip,
struct thermal_cooling_device *cdev)
{
+ struct thermal_trip_desc *td = trip_to_trip_desc(trip);
struct thermal_instance *pos, *next;
mutex_lock(&cdev->lock);
- list_for_each_entry_safe(pos, next, &tz->thermal_instances, tz_node) {
- if (pos->trip == trip && pos->cdev == cdev) {
- list_del(&pos->tz_node);
+ list_for_each_entry_safe(pos, next, &td->thermal_instances, trip_node) {
+ if (pos->cdev == cdev) {
+ list_del(&pos->trip_node);
list_del(&pos->cdev_node);
thermal_governor_update_tz(tz, THERMAL_TZ_UNBIND_CDEV);
@@ -1435,7 +1440,6 @@ thermal_zone_device_register_with_trips(const char *type,
}
}
- INIT_LIST_HEAD(&tz->thermal_instances);
INIT_LIST_HEAD(&tz->node);
ida_init(&tz->ida);
mutex_init(&tz->lock);
@@ -1459,6 +1463,7 @@ thermal_zone_device_register_with_trips(const char *type,
tz->num_trips = num_trips;
for_each_trip_desc(tz, td) {
td->trip = *trip++;
+ INIT_LIST_HEAD(&td->thermal_instances);
/*
* Mark all thresholds as invalid to start with even though
* this only matters for the trips that start as invalid and
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 421522a2bb9d..163871699a60 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -30,6 +30,7 @@ struct thermal_trip_desc {
struct thermal_trip trip;
struct thermal_trip_attrs trip_attrs;
struct list_head notify_list_node;
+ struct list_head thermal_instances;
int notify_temp;
int threshold;
};
@@ -99,7 +100,6 @@ struct thermal_governor {
* @tzp: thermal zone parameters
* @governor: pointer to the governor for this thermal zone
* @governor_data: private pointer for governor data
- * @thermal_instances: list of &struct thermal_instance of this thermal zone
* @ida: &struct ida to generate unique id for this zone's cooling
* devices
* @lock: lock to protect thermal_instances list
@@ -133,7 +133,6 @@ struct thermal_zone_device {
struct thermal_zone_params *tzp;
struct thermal_governor *governor;
void *governor_data;
- struct list_head thermal_instances;
struct ida ida;
struct mutex lock;
struct list_head node;
@@ -230,7 +229,7 @@ struct thermal_instance {
struct device_attribute attr;
char weight_attr_name[THERMAL_NAME_LENGTH];
struct device_attribute weight_attr;
- struct list_head tz_node; /* node in tz->thermal_instances */
+ struct list_head trip_node; /* node in trip->thermal_instances */
struct list_head cdev_node; /* node in cdev->thermal_instances */
unsigned int weight; /* The weight of the cooling device */
bool upper_no_limit;
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index dc374a7a1a65..403d62d3ce77 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -43,10 +43,11 @@ static bool thermal_instance_present(struct thermal_zone_device *tz,
struct thermal_cooling_device *cdev,
const struct thermal_trip *trip)
{
+ const struct thermal_trip_desc *td = trip_to_trip_desc(trip);
struct thermal_instance *ti;
- list_for_each_entry(ti, &tz->thermal_instances, tz_node) {
- if (ti->trip == trip && ti->cdev == cdev)
+ list_for_each_entry(ti, &td->thermal_instances, trip_node) {
+ if (ti->cdev == cdev)
return true;
}
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index 5d3d8ce672cd..e0aa9d9d5604 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -293,12 +293,40 @@ static bool thermal_of_get_cooling_spec(struct device_node *map_np, int index,
return true;
}
+static bool thermal_of_cm_lookup(struct device_node *cm_np,
+ const struct thermal_trip *trip,
+ struct thermal_cooling_device *cdev,
+ struct cooling_spec *c)
+{
+ for_each_child_of_node_scoped(cm_np, child) {
+ struct device_node *tr_np;
+ int count, i;
+
+ tr_np = of_parse_phandle(child, "trip", 0);
+ if (tr_np != trip->priv)
+ continue;
+
+ /* The trip has been found, look up the cdev. */
+ count = of_count_phandle_with_args(child, "cooling-device",
+ "#cooling-cells");
+ if (count <= 0)
+ pr_err("Add a cooling_device property with at least one device\n");
+
+ for (i = 0; i < count; i++) {
+ if (thermal_of_get_cooling_spec(child, i, cdev, c))
+ return true;
+ }
+ }
+
+ return false;
+}
+
static bool thermal_of_should_bind(struct thermal_zone_device *tz,
const struct thermal_trip *trip,
struct thermal_cooling_device *cdev,
struct cooling_spec *c)
{
- struct device_node *tz_np, *cm_np, *child;
+ struct device_node *tz_np, *cm_np;
bool result = false;
tz_np = thermal_of_zone_get_by_name(tz);
@@ -312,28 +340,7 @@ static bool thermal_of_should_bind(struct thermal_zone_device *tz,
goto out;
/* Look up the trip and the cdev in the cooling maps. */
- for_each_child_of_node(cm_np, child) {
- struct device_node *tr_np;
- int count, i;
-
- tr_np = of_parse_phandle(child, "trip", 0);
- if (tr_np != trip->priv)
- continue;
-
- /* The trip has been found, look up the cdev. */
- count = of_count_phandle_with_args(child, "cooling-device", "#cooling-cells");
- if (count <= 0)
- pr_err("Add a cooling_device property with at least one device\n");
-
- for (i = 0; i < count; i++) {
- result = thermal_of_get_cooling_spec(child, i, cdev, c);
- if (result)
- break;
- }
-
- of_node_put(child);
- break;
- }
+ result = thermal_of_cm_lookup(cm_np, trip, cdev, c);
of_node_put(cm_np);
out:
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index 1838aa729bb5..c58c53d4ecc6 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -40,10 +40,13 @@ temp_show(struct device *dev, struct device_attribute *attr, char *buf)
ret = thermal_zone_get_temp(tz, &temperature);
- if (ret)
- return ret;
+ if (!ret)
+ return sprintf(buf, "%d\n", temperature);
- return sprintf(buf, "%d\n", temperature);
+ if (ret == -EAGAIN)
+ return -ENODATA;
+
+ return ret;
}
static ssize_t
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-29 11:16:07 +0300