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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /drivers/thermal
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/amlogic_thermal.c8
-rw-r--r--drivers/thermal/armada_thermal.c6
-rw-r--r--drivers/thermal/broadcom/bcm2835_thermal.c6
-rw-r--r--drivers/thermal/broadcom/ns-thermal.c6
-rw-r--r--drivers/thermal/da9062-thermal.c5
-rw-r--r--drivers/thermal/dove_thermal.c6
-rw-r--r--drivers/thermal/gov_bang_bang.c8
-rw-r--r--drivers/thermal/gov_fair_share.c36
-rw-r--r--drivers/thermal/gov_power_allocator.c125
-rw-r--r--drivers/thermal/gov_step_wise.c40
-rw-r--r--drivers/thermal/gov_user_space.c8
-rw-r--r--drivers/thermal/hisi_thermal.c6
-rw-r--r--drivers/thermal/imx8mm_thermal.c8
-rw-r--r--drivers/thermal/imx_thermal.c6
-rw-r--r--drivers/thermal/intel/int340x_thermal/Makefile3
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3400_thermal.c5
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3401_thermal.c6
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3402_thermal.c6
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3403_thermal.c6
-rw-r--r--drivers/thermal/intel/int340x_thermal/int3406_thermal.c5
-rw-r--r--drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c78
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.c85
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.h33
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c121
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c3
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c179
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c126
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c255
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c136
-rw-r--r--drivers/thermal/k3_bandgap.c6
-rw-r--r--drivers/thermal/k3_j72xx_bandgap.c6
-rw-r--r--drivers/thermal/kirkwood_thermal.c6
-rw-r--r--drivers/thermal/max77620_thermal.c8
-rw-r--r--drivers/thermal/mediatek/lvts_thermal.c256
-rw-r--r--drivers/thermal/qcom/tsens-v0_1.c6
-rw-r--r--drivers/thermal/qcom/tsens.c6
-rw-r--r--drivers/thermal/qcom/tsens.h2
-rw-r--r--drivers/thermal/rcar_gen3_thermal.c6
-rw-r--r--drivers/thermal/rcar_thermal.c6
-rw-r--r--drivers/thermal/rockchip_thermal.c6
-rw-r--r--drivers/thermal/rzg2l_thermal.c6
-rw-r--r--drivers/thermal/samsung/exynos_tmu.c6
-rw-r--r--drivers/thermal/spear_thermal.c6
-rw-r--r--drivers/thermal/sprd_thermal.c5
-rw-r--r--drivers/thermal/st/stm_thermal.c6
-rw-r--r--drivers/thermal/tegra/soctherm.c6
-rw-r--r--drivers/thermal/tegra/tegra-bpmp-thermal.c6
-rw-r--r--drivers/thermal/thermal_acpi.c3
-rw-r--r--drivers/thermal/thermal_core.c166
-rw-r--r--drivers/thermal/thermal_core.h5
-rw-r--r--drivers/thermal/thermal_helpers.c3
-rw-r--r--drivers/thermal/thermal_trip.c36
-rw-r--r--drivers/thermal/ti-soc-thermal/ti-bandgap.c6
-rw-r--r--drivers/thermal/uniphier_thermal.c6
54 files changed, 1317 insertions, 584 deletions
diff --git a/drivers/thermal/amlogic_thermal.c b/drivers/thermal/amlogic_thermal.c
index 81ebbf6de0..5877cde25b 100644
--- a/drivers/thermal/amlogic_thermal.c
+++ b/drivers/thermal/amlogic_thermal.c
@@ -291,11 +291,11 @@ static int amlogic_thermal_probe(struct platform_device *pdev)
return ret;
}
-static int amlogic_thermal_remove(struct platform_device *pdev)
+static void amlogic_thermal_remove(struct platform_device *pdev)
{
struct amlogic_thermal *data = platform_get_drvdata(pdev);
- return amlogic_thermal_disable(data);
+ amlogic_thermal_disable(data);
}
static int __maybe_unused amlogic_thermal_suspend(struct device *dev)
@@ -321,8 +321,8 @@ static struct platform_driver amlogic_thermal_driver = {
.pm = &amlogic_thermal_pm_ops,
.of_match_table = of_amlogic_thermal_match,
},
- .probe = amlogic_thermal_probe,
- .remove = amlogic_thermal_remove,
+ .probe = amlogic_thermal_probe,
+ .remove_new = amlogic_thermal_remove,
};
module_platform_driver(amlogic_thermal_driver);
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c
index f00765bfc2..f783547ef9 100644
--- a/drivers/thermal/armada_thermal.c
+++ b/drivers/thermal/armada_thermal.c
@@ -965,19 +965,17 @@ static int armada_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int armada_thermal_exit(struct platform_device *pdev)
+static void armada_thermal_exit(struct platform_device *pdev)
{
struct armada_drvdata *drvdata = platform_get_drvdata(pdev);
if (drvdata->type == LEGACY)
thermal_zone_device_unregister(drvdata->data.tz);
-
- return 0;
}
static struct platform_driver armada_thermal_driver = {
.probe = armada_thermal_probe,
- .remove = armada_thermal_exit,
+ .remove_new = armada_thermal_exit,
.driver = {
.name = "armada_thermal",
.of_match_table = armada_thermal_id_table,
diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c
index 3acc9288b3..5c1cebe075 100644
--- a/drivers/thermal/broadcom/bcm2835_thermal.c
+++ b/drivers/thermal/broadcom/bcm2835_thermal.c
@@ -282,19 +282,17 @@ err_clk:
return err;
}
-static int bcm2835_thermal_remove(struct platform_device *pdev)
+static void bcm2835_thermal_remove(struct platform_device *pdev)
{
struct bcm2835_thermal_data *data = platform_get_drvdata(pdev);
debugfs_remove_recursive(data->debugfsdir);
clk_disable_unprepare(data->clk);
-
- return 0;
}
static struct platform_driver bcm2835_thermal_driver = {
.probe = bcm2835_thermal_probe,
- .remove = bcm2835_thermal_remove,
+ .remove_new = bcm2835_thermal_remove,
.driver = {
.name = "bcm2835_thermal",
.of_match_table = bcm2835_thermal_of_match_table,
diff --git a/drivers/thermal/broadcom/ns-thermal.c b/drivers/thermal/broadcom/ns-thermal.c
index d255aa879f..5eaf79c490 100644
--- a/drivers/thermal/broadcom/ns-thermal.c
+++ b/drivers/thermal/broadcom/ns-thermal.c
@@ -65,13 +65,11 @@ static int ns_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int ns_thermal_remove(struct platform_device *pdev)
+static void ns_thermal_remove(struct platform_device *pdev)
{
void __iomem *pvtmon = platform_get_drvdata(pdev);
iounmap(pvtmon);
-
- return 0;
}
static const struct of_device_id ns_thermal_of_match[] = {
@@ -82,7 +80,7 @@ MODULE_DEVICE_TABLE(of, ns_thermal_of_match);
static struct platform_driver ns_thermal_driver = {
.probe = ns_thermal_probe,
- .remove = ns_thermal_remove,
+ .remove_new = ns_thermal_remove,
.driver = {
.name = "ns-thermal",
.of_match_table = ns_thermal_of_match,
diff --git a/drivers/thermal/da9062-thermal.c b/drivers/thermal/da9062-thermal.c
index 2d31b1f734..160d649130 100644
--- a/drivers/thermal/da9062-thermal.c
+++ b/drivers/thermal/da9062-thermal.c
@@ -239,19 +239,18 @@ err:
return ret;
}
-static int da9062_thermal_remove(struct platform_device *pdev)
+static void da9062_thermal_remove(struct platform_device *pdev)
{
struct da9062_thermal *thermal = platform_get_drvdata(pdev);
free_irq(thermal->irq, thermal);
cancel_delayed_work_sync(&thermal->work);
thermal_zone_device_unregister(thermal->zone);
- return 0;
}
static struct platform_driver da9062_thermal_driver = {
.probe = da9062_thermal_probe,
- .remove = da9062_thermal_remove,
+ .remove_new = da9062_thermal_remove,
.driver = {
.name = "da9062-thermal",
.of_match_table = da9062_compatible_reg_id_table,
diff --git a/drivers/thermal/dove_thermal.c b/drivers/thermal/dove_thermal.c
index 7a18cb960b..ac30de3c0a 100644
--- a/drivers/thermal/dove_thermal.c
+++ b/drivers/thermal/dove_thermal.c
@@ -158,21 +158,19 @@ static int dove_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int dove_thermal_exit(struct platform_device *pdev)
+static void dove_thermal_exit(struct platform_device *pdev)
{
struct thermal_zone_device *dove_thermal =
platform_get_drvdata(pdev);
thermal_zone_device_unregister(dove_thermal);
-
- return 0;
}
MODULE_DEVICE_TABLE(of, dove_thermal_id_table);
static struct platform_driver dove_thermal_driver = {
.probe = dove_thermal_probe,
- .remove = dove_thermal_exit,
+ .remove_new = dove_thermal_exit,
.driver = {
.name = "dove_thermal",
.of_match_table = dove_thermal_id_table,
diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c
index 49cdfaa3a9..6ddf0accdc 100644
--- a/drivers/thermal/gov_bang_bang.c
+++ b/drivers/thermal/gov_bang_bang.c
@@ -13,9 +13,10 @@
#include "thermal_core.h"
-static int thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_index)
+static int thermal_zone_trip_update(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
- const struct thermal_trip *trip = &tz->trips[trip_index];
+ int trip_index = thermal_zone_trip_id(tz, trip);
struct thermal_instance *instance;
if (!trip->hysteresis)
@@ -89,7 +90,8 @@ static int thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_ind
* (trip_temp - hyst) so that the fan gets turned off again.
*
*/
-static int bang_bang_control(struct thermal_zone_device *tz, int trip)
+static int bang_bang_control(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
struct thermal_instance *instance;
int ret;
diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
index 2abeb8979f..538abb7de4 100644
--- a/drivers/thermal/gov_fair_share.c
+++ b/drivers/thermal/gov_fair_share.c
@@ -15,29 +15,27 @@
#include "thermal_core.h"
-/**
- * get_trip_level: - obtains the current trip level for a zone
- * @tz: thermal zone device
- */
static int get_trip_level(struct thermal_zone_device *tz)
{
- struct thermal_trip trip;
- int count;
+ const struct thermal_trip *trip, *level_trip = NULL;
+ int trip_level;
- for (count = 0; count < tz->num_trips; count++) {
- __thermal_zone_get_trip(tz, count, &trip);
- if (tz->temperature < trip.temperature)
+ for_each_trip(tz, trip) {
+ if (trip->temperature >= tz->temperature)
break;
+
+ level_trip = trip;
}
- /*
- * count > 0 only if temperature is greater than first trip
- * point, in which case, trip_point = count - 1
- */
- if (count > 0)
- trace_thermal_zone_trip(tz, count - 1, trip.type);
+ /* Bail out if the temperature is not greater than any trips. */
+ if (!level_trip)
+ return 0;
+
+ trip_level = thermal_zone_trip_id(tz, level_trip);
+
+ trace_thermal_zone_trip(tz, trip_level, level_trip->type);
- return count;
+ return trip_level;
}
static long get_target_state(struct thermal_zone_device *tz,
@@ -49,7 +47,7 @@ static long get_target_state(struct thermal_zone_device *tz,
/**
* fair_share_throttle - throttles devices associated with the given zone
* @tz: thermal_zone_device
- * @trip_index: trip point index
+ * @trip: trip point
*
* Throttling Logic: This uses three parameters to calculate the new
* throttle state of the cooling devices associated with the given zone.
@@ -65,9 +63,9 @@ static long get_target_state(struct thermal_zone_device *tz,
* (Heavily assumes the trip points are in ascending order)
* new_state of cooling device = P3 * P2 * P1
*/
-static int fair_share_throttle(struct thermal_zone_device *tz, int trip_index)
+static int fair_share_throttle(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
- const struct thermal_trip *trip = &tz->trips[trip_index];
struct thermal_instance *instance;
int total_weight = 0;
int total_instance = 0;
diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
index fc969642f7..931cd88425 100644
--- a/drivers/thermal/gov_power_allocator.c
+++ b/drivers/thermal/gov_power_allocator.c
@@ -16,8 +16,6 @@
#include "thermal_core.h"
-#define INVALID_TRIP -1
-
#define FRAC_BITS 10
#define int_to_frac(x) ((x) << FRAC_BITS)
#define frac_to_int(x) ((x) >> FRAC_BITS)
@@ -55,23 +53,23 @@ static inline s64 div_frac(s64 x, s64 y)
* @err_integral: accumulated error in the PID controller.
* @prev_err: error in the previous iteration of the PID controller.
* Used to calculate the derivative term.
+ * @sustainable_power: Sustainable power (heat) that this thermal zone can
+ * dissipate
* @trip_switch_on: first passive trip point of the thermal zone. The
* governor switches on when this trip point is crossed.
* If the thermal zone only has one passive trip point,
- * @trip_switch_on should be INVALID_TRIP.
+ * @trip_switch_on should be NULL.
* @trip_max_desired_temperature: last passive trip point of the thermal
* zone. The temperature we are
* controlling for.
- * @sustainable_power: Sustainable power (heat) that this thermal zone can
- * dissipate
*/
struct power_allocator_params {
bool allocated_tzp;
s64 err_integral;
s32 prev_err;
- int trip_switch_on;
- int trip_max_desired_temperature;
u32 sustainable_power;
+ const struct thermal_trip *trip_switch_on;
+ const struct thermal_trip *trip_max_desired_temperature;
};
/**
@@ -90,14 +88,12 @@ static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
u32 sustainable_power = 0;
struct thermal_instance *instance;
struct power_allocator_params *params = tz->governor_data;
- const struct thermal_trip *trip_max_desired_temperature =
- &tz->trips[params->trip_max_desired_temperature];
list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
struct thermal_cooling_device *cdev = instance->cdev;
u32 min_power;
- if (instance->trip != trip_max_desired_temperature)
+ if (instance->trip != params->trip_max_desired_temperature)
continue;
if (!cdev_is_power_actor(cdev))
@@ -116,24 +112,22 @@ static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
* estimate_pid_constants() - Estimate the constants for the PID controller
* @tz: thermal zone for which to estimate the constants
* @sustainable_power: sustainable power for the thermal zone
- * @trip_switch_on: trip point number for the switch on temperature
+ * @trip_switch_on: trip point for the switch on temperature
* @control_temp: target temperature for the power allocator governor
*
* This function is used to update the estimation of the PID
* controller constants in struct thermal_zone_parameters.
*/
static void estimate_pid_constants(struct thermal_zone_device *tz,
- u32 sustainable_power, int trip_switch_on,
+ u32 sustainable_power,
+ const struct thermal_trip *trip_switch_on,
int control_temp)
{
- struct thermal_trip trip;
u32 temperature_threshold = control_temp;
- int ret;
s32 k_i;
- ret = __thermal_zone_get_trip(tz, trip_switch_on, &trip);
- if (!ret)
- temperature_threshold -= trip.temperature;
+ if (trip_switch_on)
+ temperature_threshold -= trip_switch_on->temperature;
/*
* estimate_pid_constants() tries to find appropriate default
@@ -386,7 +380,7 @@ static int allocate_power(struct thermal_zone_device *tz,
struct thermal_instance *instance;
struct power_allocator_params *params = tz->governor_data;
const struct thermal_trip *trip_max_desired_temperature =
- &tz->trips[params->trip_max_desired_temperature];
+ params->trip_max_desired_temperature;
u32 *req_power, *max_power, *granted_power, *extra_actor_power;
u32 *weighted_req_power;
u32 total_req_power, max_allocatable_power, total_weighted_req_power;
@@ -496,7 +490,7 @@ static int allocate_power(struct thermal_zone_device *tz,
}
/**
- * get_governor_trips() - get the number of the two trip points that are key for this governor
+ * get_governor_trips() - get the two trip points that are key for this governor
* @tz: thermal zone to operate on
* @params: pointer to private data for this governor
*
@@ -513,46 +507,36 @@ static int allocate_power(struct thermal_zone_device *tz,
static void get_governor_trips(struct thermal_zone_device *tz,
struct power_allocator_params *params)
{
- int i, last_active, last_passive;
- bool found_first_passive;
-
- found_first_passive = false;
- last_active = INVALID_TRIP;
- last_passive = INVALID_TRIP;
-
- for (i = 0; i < tz->num_trips; i++) {
- struct thermal_trip trip;
- int ret;
-
- ret = __thermal_zone_get_trip(tz, i, &trip);
- if (ret) {
- dev_warn(&tz->device,
- "Failed to get trip point %d type: %d\n", i,
- ret);
- continue;
- }
-
- if (trip.type == THERMAL_TRIP_PASSIVE) {
- if (!found_first_passive) {
- params->trip_switch_on = i;
- found_first_passive = true;
- } else {
- last_passive = i;
+ const struct thermal_trip *first_passive = NULL;
+ const struct thermal_trip *last_passive = NULL;
+ const struct thermal_trip *last_active = NULL;
+ const struct thermal_trip *trip;
+
+ for_each_trip(tz, trip) {
+ switch (trip->type) {
+ case THERMAL_TRIP_PASSIVE:
+ if (!first_passive) {
+ first_passive = trip;
+ break;
}
- } else if (trip.type == THERMAL_TRIP_ACTIVE) {
- last_active = i;
- } else {
+ last_passive = trip;
+ break;
+ case THERMAL_TRIP_ACTIVE:
+ last_active = trip;
+ break;
+ default:
break;
}
}
- if (last_passive != INVALID_TRIP) {
+ if (last_passive) {
+ params->trip_switch_on = first_passive;
params->trip_max_desired_temperature = last_passive;
- } else if (found_first_passive) {
- params->trip_max_desired_temperature = params->trip_switch_on;
- params->trip_switch_on = INVALID_TRIP;
+ } else if (first_passive) {
+ params->trip_switch_on = NULL;
+ params->trip_max_desired_temperature = first_passive;
} else {
- params->trip_switch_on = INVALID_TRIP;
+ params->trip_switch_on = NULL;
params->trip_max_desired_temperature = last_active;
}
}
@@ -567,14 +551,12 @@ static void allow_maximum_power(struct thermal_zone_device *tz, bool update)
{
struct thermal_instance *instance;
struct power_allocator_params *params = tz->governor_data;
- const struct thermal_trip *trip_max_desired_temperature =
- &tz->trips[params->trip_max_desired_temperature];
u32 req_power;
list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
struct thermal_cooling_device *cdev = instance->cdev;
- if ((instance->trip != trip_max_desired_temperature) ||
+ if (instance->trip != params->trip_max_desired_temperature ||
(!cdev_is_power_actor(instance->cdev)))
continue;
@@ -636,7 +618,6 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
{
int ret;
struct power_allocator_params *params;
- struct thermal_trip trip;
ret = check_power_actors(tz);
if (ret)
@@ -661,13 +642,11 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
get_governor_trips(tz, params);
- if (tz->num_trips > 0) {
- ret = __thermal_zone_get_trip(tz, params->trip_max_desired_temperature,
- &trip);
- if (!ret)
- estimate_pid_constants(tz, tz->tzp->sustainable_power,
- params->trip_switch_on,
- trip.temperature);
+ if (params->trip_max_desired_temperature) {
+ int temp = params->trip_max_desired_temperature->temperature;
+
+ estimate_pid_constants(tz, tz->tzp->sustainable_power,
+ params->trip_switch_on, temp);
}
reset_pid_controller(params);
@@ -697,11 +676,10 @@ static void power_allocator_unbind(struct thermal_zone_device *tz)
tz->governor_data = NULL;
}
-static int power_allocator_throttle(struct thermal_zone_device *tz, int trip_id)
+static int power_allocator_throttle(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
struct power_allocator_params *params = tz->governor_data;
- struct thermal_trip trip;
- int ret;
bool update;
lockdep_assert_held(&tz->lock);
@@ -710,11 +688,11 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip_id)
* We get called for every trip point but we only need to do
* our calculations once
*/
- if (trip_id != params->trip_max_desired_temperature)
+ if (trip != params->trip_max_desired_temperature)
return 0;
- ret = __thermal_zone_get_trip(tz, params->trip_switch_on, &trip);
- if (!ret && (tz->temperature < trip.temperature)) {
+ trip = params->trip_switch_on;
+ if (trip && tz->temperature < trip->temperature) {
update = tz->passive;
tz->passive = 0;
reset_pid_controller(params);
@@ -724,14 +702,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip_id)
tz->passive = 1;
- ret = __thermal_zone_get_trip(tz, params->trip_max_desired_temperature, &trip);
- if (ret) {
- dev_warn(&tz->device, "Failed to get the maximum desired temperature: %d\n",
- ret);
- return ret;
- }
-
- return allocate_power(tz, trip.temperature);
+ return allocate_power(tz, params->trip_max_desired_temperature->temperature);
}
static struct thermal_governor thermal_gov_power_allocator = {
diff --git a/drivers/thermal/gov_step_wise.c b/drivers/thermal/gov_step_wise.c
index 849dc1ec8d..5436aa58d4 100644
--- a/drivers/thermal/gov_step_wise.c
+++ b/drivers/thermal/gov_step_wise.c
@@ -68,26 +68,16 @@ static unsigned long get_target_state(struct thermal_instance *instance,
return next_target;
}
-static void update_passive_instance(struct thermal_zone_device *tz,
- enum thermal_trip_type type, int value)
+static void thermal_zone_trip_update(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
- /*
- * If value is +1, activate a passive instance.
- * If value is -1, deactivate a passive instance.
- */
- if (type == THERMAL_TRIP_PASSIVE)
- tz->passive += value;
-}
-
-static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id)
-{
- const struct thermal_trip *trip = &tz->trips[trip_id];
+ int trip_id = thermal_zone_trip_id(tz, trip);
enum thermal_trend trend;
struct thermal_instance *instance;
bool throttle = false;
int old_target;
- trend = get_tz_trend(tz, trip_id);
+ trend = get_tz_trend(tz, trip);
if (tz->temperature >= trip->temperature) {
throttle = true;
@@ -109,14 +99,17 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
if (instance->initialized && old_target == instance->target)
continue;
- /* Activate a passive thermal instance */
if (old_target == THERMAL_NO_TARGET &&
- instance->target != THERMAL_NO_TARGET)
- update_passive_instance(tz, trip->type, 1);
- /* Deactivate a passive thermal instance */
- else if (old_target != THERMAL_NO_TARGET &&
- instance->target == THERMAL_NO_TARGET)
- update_passive_instance(tz, trip->type, -1);
+ instance->target != THERMAL_NO_TARGET) {
+ /* Activate a passive thermal instance */
+ if (trip->type == THERMAL_TRIP_PASSIVE)
+ tz->passive++;
+ } else if (old_target != THERMAL_NO_TARGET &&
+ instance->target == THERMAL_NO_TARGET) {
+ /* Deactivate a passive thermal instance */
+ if (trip->type == THERMAL_TRIP_PASSIVE)
+ tz->passive--;
+ }
instance->initialized = true;
mutex_lock(&instance->cdev->lock);
@@ -128,7 +121,7 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
/**
* step_wise_throttle - throttles devices associated with the given zone
* @tz: thermal_zone_device
- * @trip: trip point index
+ * @trip: trip point
*
* Throttling Logic: This uses the trend of the thermal zone to throttle.
* If the thermal zone is 'heating up' this throttles all the cooling
@@ -136,7 +129,8 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip_id
* step. If the zone is 'cooling down' it brings back the performance of
* the devices by one step.
*/
-static int step_wise_throttle(struct thermal_zone_device *tz, int trip)
+static int step_wise_throttle(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
struct thermal_instance *instance;
diff --git a/drivers/thermal/gov_user_space.c b/drivers/thermal/gov_user_space.c
index 8bc1c22aaf..7a1790b7e8 100644
--- a/drivers/thermal/gov_user_space.c
+++ b/drivers/thermal/gov_user_space.c
@@ -25,11 +25,12 @@ static int user_space_bind(struct thermal_zone_device *tz)
/**
* notify_user_space - Notifies user space about thermal events
* @tz: thermal_zone_device
- * @trip: trip point index
+ * @trip: trip point
*
* This function notifies the user space through UEvents.
*/
-static int notify_user_space(struct thermal_zone_device *tz, int trip)
+static int notify_user_space(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
char *thermal_prop[5];
int i;
@@ -38,7 +39,8 @@ static int notify_user_space(struct thermal_zone_device *tz, int trip)
thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", tz->type);
thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", tz->temperature);
- thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d", trip);
+ thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d",
+ thermal_zone_trip_id(tz, trip));
thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", tz->notify_event);
thermal_prop[4] = NULL;
kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, thermal_prop);
diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
index fb54ed4bf6..dd751ae636 100644
--- a/drivers/thermal/hisi_thermal.c
+++ b/drivers/thermal/hisi_thermal.c
@@ -597,7 +597,7 @@ static int hisi_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int hisi_thermal_remove(struct platform_device *pdev)
+static void hisi_thermal_remove(struct platform_device *pdev)
{
struct hisi_thermal_data *data = platform_get_drvdata(pdev);
int i;
@@ -608,8 +608,6 @@ static int hisi_thermal_remove(struct platform_device *pdev)
hisi_thermal_toggle_sensor(sensor, false);
data->ops->disable_sensor(sensor);
}
-
- return 0;
}
static int hisi_thermal_suspend(struct device *dev)
@@ -644,7 +642,7 @@ static struct platform_driver hisi_thermal_driver = {
.of_match_table = of_hisi_thermal_match,
},
.probe = hisi_thermal_probe,
- .remove = hisi_thermal_remove,
+ .remove_new = hisi_thermal_remove,
};
module_platform_driver(hisi_thermal_driver);
diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c
index 14111ccf6e..d74ed6ce29 100644
--- a/drivers/thermal/imx8mm_thermal.c
+++ b/drivers/thermal/imx8mm_thermal.c
@@ -78,7 +78,7 @@
struct thermal_soc_data {
u32 num_sensors;
u32 version;
- int (*get_temp)(void *, int *);
+ int (*get_temp)(void *data, int *temp);
};
struct tmu_sensor {
@@ -363,7 +363,7 @@ disable_clk:
return ret;
}
-static int imx8mm_tmu_remove(struct platform_device *pdev)
+static void imx8mm_tmu_remove(struct platform_device *pdev)
{
struct imx8mm_tmu *tmu = platform_get_drvdata(pdev);
@@ -372,8 +372,6 @@ static int imx8mm_tmu_remove(struct platform_device *pdev)
clk_disable_unprepare(tmu->clk);
platform_set_drvdata(pdev, NULL);
-
- return 0;
}
static struct thermal_soc_data imx8mm_tmu_data = {
@@ -401,7 +399,7 @@ static struct platform_driver imx8mm_tmu = {
.of_match_table = imx8mm_tmu_table,
},
.probe = imx8mm_tmu_probe,
- .remove = imx8mm_tmu_remove,
+ .remove_new = imx8mm_tmu_remove,
};
module_platform_driver(imx8mm_tmu);
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index 826358cbe8..7019c4fdd5 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -771,7 +771,7 @@ legacy_cleanup:
return ret;
}
-static int imx_thermal_remove(struct platform_device *pdev)
+static void imx_thermal_remove(struct platform_device *pdev)
{
struct imx_thermal_data *data = platform_get_drvdata(pdev);
@@ -780,8 +780,6 @@ static int imx_thermal_remove(struct platform_device *pdev)
thermal_zone_device_unregister(data->tz);
imx_thermal_unregister_legacy_cooling(data);
-
- return 0;
}
static int __maybe_unused imx_thermal_suspend(struct device *dev)
@@ -880,7 +878,7 @@ static struct platform_driver imx_thermal = {
.of_match_table = of_imx_thermal_match,
},
.probe = imx_thermal_probe,
- .remove = imx_thermal_remove,
+ .remove_new = imx_thermal_remove,
};
module_platform_driver(imx_thermal);
diff --git a/drivers/thermal/intel/int340x_thermal/Makefile b/drivers/thermal/intel/int340x_thermal/Makefile
index 4e852ce4a5..fe3f439245 100644
--- a/drivers/thermal/intel/int340x_thermal/Makefile
+++ b/drivers/thermal/intel/int340x_thermal/Makefile
@@ -10,5 +10,8 @@ obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_device_pci.o
obj-$(CONFIG_PROC_THERMAL_MMIO_RAPL) += processor_thermal_rapl.o
obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_rfim.o
obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_mbox.o
+obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_wt_req.o
+obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_wt_hint.o
+obj-$(CONFIG_INT340X_THERMAL) += processor_thermal_power_floor.o
obj-$(CONFIG_INT3406_THERMAL) += int3406_thermal.o
obj-$(CONFIG_ACPI_THERMAL_REL) += acpi_thermal_rel.o
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index ffc2871a02..427d370648 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -674,7 +674,7 @@ free_priv:
return result;
}
-static int int3400_thermal_remove(struct platform_device *pdev)
+static void int3400_thermal_remove(struct platform_device *pdev)
{
struct int3400_thermal_priv *priv = platform_get_drvdata(pdev);
@@ -698,7 +698,6 @@ static int int3400_thermal_remove(struct platform_device *pdev)
kfree(priv->trts);
kfree(priv->arts);
kfree(priv);
- return 0;
}
static const struct acpi_device_id int3400_thermal_match[] = {
@@ -714,7 +713,7 @@ MODULE_DEVICE_TABLE(acpi, int3400_thermal_match);
static struct platform_driver int3400_thermal_driver = {
.probe = int3400_thermal_probe,
- .remove = int3400_thermal_remove,
+ .remove_new = int3400_thermal_remove,
.driver = {
.name = "int3400 thermal",
.acpi_match_table = ACPI_PTR(int3400_thermal_match),
diff --git a/drivers/thermal/intel/int340x_thermal/int3401_thermal.c b/drivers/thermal/intel/int340x_thermal/int3401_thermal.c
index c93a28eec4..193645a738 100644
--- a/drivers/thermal/intel/int340x_thermal/int3401_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3401_thermal.c
@@ -36,11 +36,9 @@ static int int3401_add(struct platform_device *pdev)
return ret;
}
-static int int3401_remove(struct platform_device *pdev)
+static void int3401_remove(struct platform_device *pdev)
{
proc_thermal_remove(platform_get_drvdata(pdev));
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -62,7 +60,7 @@ static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, int3401_thermal_suspend,
static struct platform_driver int3401_driver = {
.probe = int3401_add,
- .remove = int3401_remove,
+ .remove_new = int3401_remove,
.driver = {
.name = "int3401 thermal",
.acpi_match_table = int3401_device_ids,
diff --git a/drivers/thermal/intel/int340x_thermal/int3402_thermal.c b/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
index 43fa351e2b..ab8bfb5a39 100644
--- a/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
@@ -71,15 +71,13 @@ static int int3402_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int int3402_thermal_remove(struct platform_device *pdev)
+static void int3402_thermal_remove(struct platform_device *pdev)
{
struct int3402_thermal_data *d = platform_get_drvdata(pdev);
acpi_remove_notify_handler(d->handle,
ACPI_DEVICE_NOTIFY, int3402_notify);
int340x_thermal_zone_remove(d->int340x_zone);
-
- return 0;
}
static const struct acpi_device_id int3402_thermal_match[] = {
@@ -91,7 +89,7 @@ MODULE_DEVICE_TABLE(acpi, int3402_thermal_match);
static struct platform_driver int3402_thermal_driver = {
.probe = int3402_thermal_probe,
- .remove = int3402_thermal_remove,
+ .remove_new = int3402_thermal_remove,
.driver = {
.name = "int3402 thermal",
.acpi_match_table = int3402_thermal_match,
diff --git a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
index e418d270bc..9b33fd3a66 100644
--- a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
@@ -262,7 +262,7 @@ err:
return result;
}
-static int int3403_remove(struct platform_device *pdev)
+static void int3403_remove(struct platform_device *pdev)
{
struct int3403_priv *priv = platform_get_drvdata(pdev);
@@ -277,8 +277,6 @@ static int int3403_remove(struct platform_device *pdev)
default:
break;
}
-
- return 0;
}
static const struct acpi_device_id int3403_device_ids[] = {
@@ -293,7 +291,7 @@ MODULE_DEVICE_TABLE(acpi, int3403_device_ids);
static struct platform_driver int3403_driver = {
.probe = int3403_add,
- .remove = int3403_remove,
+ .remove_new = int3403_remove,
.driver = {
.name = "int3403 thermal",
.acpi_match_table = int3403_device_ids,
diff --git a/drivers/thermal/intel/int340x_thermal/int3406_thermal.c b/drivers/thermal/intel/int340x_thermal/int3406_thermal.c
index f5e42fc2ac..1c266493c1 100644
--- a/drivers/thermal/intel/int340x_thermal/int3406_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3406_thermal.c
@@ -178,13 +178,12 @@ err:
return -ENODEV;
}
-static int int3406_thermal_remove(struct platform_device *pdev)
+static void int3406_thermal_remove(struct platform_device *pdev)
{
struct int3406_thermal_data *d = platform_get_drvdata(pdev);
thermal_cooling_device_unregister(d->cooling_dev);
kfree(d->br);
- return 0;
}
static const struct acpi_device_id int3406_thermal_match[] = {
@@ -196,7 +195,7 @@ MODULE_DEVICE_TABLE(acpi, int3406_thermal_match);
static struct platform_driver int3406_thermal_driver = {
.probe = int3406_thermal_probe,
- .remove = int3406_thermal_remove,
+ .remove_new = int3406_thermal_remove,
.driver = {
.name = "int3406 thermal",
.acpi_match_table = int3406_thermal_match,
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
index 89cf007146..a03b67579d 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
@@ -67,6 +67,16 @@ static struct thermal_zone_device_ops int340x_thermal_zone_ops = {
.critical = int340x_thermal_critical,
};
+static inline void *int_to_trip_priv(int i)
+{
+ return (void *)(long)i;
+}
+
+static inline int trip_priv_to_int(const struct thermal_trip *trip)
+{
+ return (long)trip->priv;
+}
+
static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
struct thermal_trip *zone_trips,
int trip_cnt)
@@ -101,6 +111,7 @@ static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
break;
zone_trips[trip_cnt].type = THERMAL_TRIP_ACTIVE;
+ zone_trips[trip_cnt].priv = int_to_trip_priv(i);
trip_cnt++;
}
@@ -212,45 +223,40 @@ void int340x_thermal_zone_remove(struct int34x_thermal_zone *int34x_zone)
}
EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);
-void int340x_thermal_update_trips(struct int34x_thermal_zone *int34x_zone)
+static int int340x_update_one_trip(struct thermal_trip *trip, void *arg)
{
- struct acpi_device *zone_adev = int34x_zone->adev;
- struct thermal_trip *zone_trips = int34x_zone->trips;
- int trip_cnt = int34x_zone->zone->num_trips;
- int act_trip_nr = 0;
- int i;
-
- mutex_lock(&int34x_zone->zone->lock);
-
- for (i = int34x_zone->aux_trip_nr; i < trip_cnt; i++) {
- int temp, err;
-
- switch (zone_trips[i].type) {
- case THERMAL_TRIP_CRITICAL:
- err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
- break;
- case THERMAL_TRIP_HOT:
- err = thermal_acpi_hot_trip_temp(zone_adev, &temp);
- break;
- case THERMAL_TRIP_PASSIVE:
- err = thermal_acpi_passive_trip_temp(zone_adev, &temp);
- break;
- case THERMAL_TRIP_ACTIVE:
- err = thermal_acpi_active_trip_temp(zone_adev, act_trip_nr++,
- &temp);
- break;
- default:
- err = -ENODEV;
- }
- if (err) {
- zone_trips[i].temperature = THERMAL_TEMP_INVALID;
- continue;
- }
-
- zone_trips[i].temperature = temp;
+ struct acpi_device *zone_adev = arg;
+ int temp, err;
+
+ switch (trip->type) {
+ case THERMAL_TRIP_CRITICAL:
+ err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
+ break;
+ case THERMAL_TRIP_HOT:
+ err = thermal_acpi_hot_trip_temp(zone_adev, &temp);
+ break;
+ case THERMAL_TRIP_PASSIVE:
+ err = thermal_acpi_passive_trip_temp(zone_adev, &temp);
+ break;
+ case THERMAL_TRIP_ACTIVE:
+ err = thermal_acpi_active_trip_temp(zone_adev,
+ trip_priv_to_int(trip),
+ &temp);
+ break;
+ default:
+ err = -ENODEV;
}
+ if (err)
+ temp = THERMAL_TEMP_INVALID;
- mutex_unlock(&int34x_zone->zone->lock);
+ trip->temperature = temp;
+ return 0;
+}
+
+void int340x_thermal_update_trips(struct int34x_thermal_zone *int34x_zone)
+{
+ thermal_zone_for_each_trip(int34x_zone->zone, int340x_update_one_trip,
+ int34x_zone->adev);
}
EXPORT_SYMBOL_GPL(int340x_thermal_update_trips);
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index 3ca0a2f593..649f67fdf3 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
@@ -26,6 +26,48 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \
(unsigned long)proc_dev->power_limits[index].suffix * 1000); \
}
+static ssize_t power_floor_status_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+ int ret;
+
+ ret = proc_thermal_read_power_floor_status(proc_dev);
+
+ return sysfs_emit(buf, "%d\n", ret);
+}
+
+static ssize_t power_floor_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+ bool ret;
+
+ ret = proc_thermal_power_floor_get_state(proc_dev);
+
+ return sysfs_emit(buf, "%d\n", ret);
+}
+
+static ssize_t power_floor_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+ u8 state;
+ int ret;
+
+ if (kstrtou8(buf, 0, &state))
+ return -EINVAL;
+
+ ret = proc_thermal_power_floor_set_state(proc_dev, !!state);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
POWER_LIMIT_SHOW(0, min_uw)
POWER_LIMIT_SHOW(0, max_uw)
POWER_LIMIT_SHOW(0, step_uw)
@@ -50,6 +92,9 @@ static DEVICE_ATTR_RO(power_limit_1_step_uw);
static DEVICE_ATTR_RO(power_limit_1_tmin_us);
static DEVICE_ATTR_RO(power_limit_1_tmax_us);
+static DEVICE_ATTR_RO(power_floor_status);
+static DEVICE_ATTR_RW(power_floor_enable);
+
static struct attribute *power_limit_attrs[] = {
&dev_attr_power_limit_0_min_uw.attr,
&dev_attr_power_limit_1_min_uw.attr,
@@ -61,12 +106,30 @@ static struct attribute *power_limit_attrs[] = {
&dev_attr_power_limit_1_tmin_us.attr,
&dev_attr_power_limit_0_tmax_us.attr,
&dev_attr_power_limit_1_tmax_us.attr,
+ &dev_attr_power_floor_status.attr,
+ &dev_attr_power_floor_enable.attr,
NULL
};
+static umode_t power_limit_attr_visible(struct kobject *kobj, struct attribute *attr, int unused)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct proc_thermal_device *proc_dev;
+
+ if (attr != &dev_attr_power_floor_status.attr && attr != &dev_attr_power_floor_enable.attr)
+ return attr->mode;
+
+ proc_dev = dev_get_drvdata(dev);
+ if (!proc_dev || !(proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR))
+ return 0;
+
+ return attr->mode;
+}
+
static const struct attribute_group power_limit_attribute_group = {
.attrs = power_limit_attrs,
- .name = "power_limits"
+ .name = "power_limits",
+ .is_visible = power_limit_attr_visible,
};
static ssize_t tcc_offset_degree_celsius_show(struct device *dev,
@@ -346,12 +409,18 @@ int proc_thermal_mmio_add(struct pci_dev *pdev,
}
}
- if (feature_mask & PROC_THERMAL_FEATURE_MBOX) {
- ret = proc_thermal_mbox_add(pdev, proc_priv);
+ if (feature_mask & PROC_THERMAL_FEATURE_WT_REQ) {
+ ret = proc_thermal_wt_req_add(pdev, proc_priv);
if (ret) {
dev_err(&pdev->dev, "failed to add MBOX interface\n");
goto err_rem_rfim;
}
+ } else if (feature_mask & PROC_THERMAL_FEATURE_WT_HINT) {
+ ret = proc_thermal_wt_hint_add(pdev, proc_priv);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add WT Hint\n");
+ goto err_rem_rfim;
+ }
}
return 0;
@@ -374,12 +443,18 @@ void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *
proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS)
proc_thermal_rfim_remove(pdev);
- if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_MBOX)
- proc_thermal_mbox_remove(pdev);
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR)
+ proc_thermal_power_floor_set_state(proc_priv, false);
+
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_REQ)
+ proc_thermal_wt_req_remove(pdev);
+ else if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT)
+ proc_thermal_wt_hint_remove(pdev);
}
EXPORT_SYMBOL_GPL(proc_thermal_mmio_remove);
MODULE_IMPORT_NS(INTEL_TCC);
+MODULE_IMPORT_NS(INT340X_THERMAL);
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
index 7acaa8f1b8..95c6013a33 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
@@ -10,6 +10,7 @@
#include <linux/intel_rapl.h>
#define PCI_DEVICE_ID_INTEL_ADL_THERMAL 0x461d
+#define PCI_DEVICE_ID_INTEL_ARL_S_THERMAL 0xAD03
#define PCI_DEVICE_ID_INTEL_BDW_THERMAL 0x1603
#define PCI_DEVICE_ID_INTEL_BSW_THERMAL 0x22DC
@@ -59,8 +60,10 @@ struct rapl_mmio_regs {
#define PROC_THERMAL_FEATURE_RAPL 0x01
#define PROC_THERMAL_FEATURE_FIVR 0x02
#define PROC_THERMAL_FEATURE_DVFS 0x04
-#define PROC_THERMAL_FEATURE_MBOX 0x08
+#define PROC_THERMAL_FEATURE_WT_REQ 0x08
#define PROC_THERMAL_FEATURE_DLVR 0x10
+#define PROC_THERMAL_FEATURE_WT_HINT 0x20
+#define PROC_THERMAL_FEATURE_POWER_FLOOR 0x40
#if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
@@ -80,13 +83,37 @@ static void __maybe_unused proc_thermal_rapl_remove(void)
int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
void proc_thermal_rfim_remove(struct pci_dev *pdev);
-int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
-void proc_thermal_mbox_remove(struct pci_dev *pdev);
+int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
+void proc_thermal_wt_req_remove(struct pci_dev *pdev);
+
+#define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E
+#define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F
+
+#define MBOX_DATA_BIT_AC_DC 30
+#define MBOX_DATA_BIT_VALID 31
+
+#define SOC_WT_RES_INT_STATUS_OFFSET 0x5B18
+#define SOC_WT_RES_INT_STATUS_MASK GENMASK_ULL(3, 2)
+
+int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv);
+int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable);
+bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv);
+void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
+ struct proc_thermal_device *proc_priv);
+bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv);
int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
+int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable, int enable_bit,
+ int time_window);
int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
void proc_thermal_remove(struct proc_thermal_device *proc_priv);
+
+int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
+void proc_thermal_wt_hint_remove(struct pci_dev *pdev);
+void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
+bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv);
+
int proc_thermal_suspend(struct device *dev);
int proc_thermal_resume(struct device *dev);
int proc_thermal_mmio_add(struct pci_dev *pdev,
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 0d1e980072..d7495571dd 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
@@ -15,6 +15,11 @@
#define DRV_NAME "proc_thermal_pci"
+static bool use_msi;
+module_param(use_msi, bool, 0644);
+MODULE_PARM_DESC(use_msi,
+ "Use PCI MSI based interrupts for processor thermal device.");
+
struct proc_thermal_pci {
struct pci_dev *pdev;
struct proc_thermal_device *proc_priv;
@@ -117,20 +122,64 @@ static void pkg_thermal_schedule_work(struct delayed_work *work)
schedule_delayed_work(work, ms);
}
+static void proc_thermal_clear_soc_int_status(struct proc_thermal_device *proc_priv)
+{
+ u64 status;
+
+ if (!(proc_priv->mmio_feature_mask &
+ (PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR)))
+ return;
+
+ status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+ writeq(status & ~SOC_WT_RES_INT_STATUS_MASK,
+ proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+}
+
+static irqreturn_t proc_thermal_irq_thread_handler(int irq, void *devid)
+{
+ struct proc_thermal_pci *pci_info = devid;
+
+ proc_thermal_wt_intr_callback(pci_info->pdev, pci_info->proc_priv);
+ proc_thermal_power_floor_intr_callback(pci_info->pdev, pci_info->proc_priv);
+ proc_thermal_clear_soc_int_status(pci_info->proc_priv);
+
+ return IRQ_HANDLED;
+}
+
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;
u32 status;
+ proc_priv = pci_info->proc_priv;
+
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT) {
+ if (proc_thermal_check_wt_intr(pci_info->proc_priv))
+ ret = IRQ_WAKE_THREAD;
+ }
+
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) {
+ if (proc_thermal_check_power_floor_intr(pci_info->proc_priv))
+ ret = IRQ_WAKE_THREAD;
+ }
+
+ /*
+ * Since now there are two sources of interrupts: one from thermal threshold
+ * and another from workload hint, add a check if there was really a threshold
+ * interrupt before scheduling work function for thermal threshold.
+ */
proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_INT_STATUS_0, &status);
+ if (status) {
+ /* Disable enable interrupt flag */
+ proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0);
+ pkg_thermal_schedule_work(&pci_info->work);
+ }
- /* Disable enable interrupt flag */
- proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0);
pci_write_config_byte(pci_info->pdev, 0xdc, 0x01);
- pkg_thermal_schedule_work(&pci_info->work);
-
- return IRQ_HANDLED;
+ return ret;
}
static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp)
@@ -203,6 +252,7 @@ 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;
int irq_flag = 0, irq, ret;
+ bool msi_irq = false;
proc_priv = devm_kzalloc(&pdev->dev, sizeof(*proc_priv), GFP_KERNEL);
if (!proc_priv)
@@ -223,19 +273,19 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
INIT_DELAYED_WORK(&pci_info->work, proc_thermal_threshold_work_fn);
- ret = proc_thermal_add(&pdev->dev, proc_priv);
- if (ret) {
- dev_err(&pdev->dev, "error: proc_thermal_add, will continue\n");
- pci_info->no_legacy = 1;
- }
-
proc_priv->priv_data = pci_info;
pci_info->proc_priv = proc_priv;
pci_set_drvdata(pdev, proc_priv);
ret = proc_thermal_mmio_add(pdev, proc_priv, id->driver_data);
if (ret)
- goto err_ret_thermal;
+ return ret;
+
+ ret = proc_thermal_add(&pdev->dev, proc_priv);
+ if (ret) {
+ dev_err(&pdev->dev, "error: proc_thermal_add, will continue\n");
+ pci_info->no_legacy = 1;
+ }
psv_trip.temperature = get_trip_temp(pci_info);
@@ -245,21 +295,26 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
&tzone_params, 0, 0);
if (IS_ERR(pci_info->tzone)) {
ret = PTR_ERR(pci_info->tzone);
- goto err_ret_mmio;
+ goto err_del_legacy;
}
- /* request and enable interrupt */
- ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to allocate vectors!\n");
- goto err_ret_tzone;
- }
- if (!pdev->msi_enabled && !pdev->msix_enabled)
+ if (use_msi && (pdev->msi_enabled || pdev->msix_enabled)) {
+ /* request and enable interrupt */
+ ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to allocate vectors!\n");
+ goto err_ret_tzone;
+ }
+
+ irq = pci_irq_vector(pdev, 0);
+ msi_irq = true;
+ } else {
irq_flag = IRQF_SHARED;
+ irq = pdev->irq;
+ }
- irq = pci_irq_vector(pdev, 0);
ret = devm_request_threaded_irq(&pdev->dev, irq,
- proc_thermal_irq_handler, NULL,
+ proc_thermal_irq_handler, proc_thermal_irq_thread_handler,
irq_flag, KBUILD_MODNAME, pci_info);
if (ret) {
dev_err(&pdev->dev, "Request IRQ %d failed\n", pdev->irq);
@@ -273,14 +328,14 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
return 0;
err_free_vectors:
- pci_free_irq_vectors(pdev);
+ if (msi_irq)
+ pci_free_irq_vectors(pdev);
err_ret_tzone:
thermal_zone_device_unregister(pci_info->tzone);
-err_ret_mmio:
- proc_thermal_mmio_remove(pdev, proc_priv);
-err_ret_thermal:
+err_del_legacy:
if (!pci_info->no_legacy)
proc_thermal_remove(proc_priv);
+ proc_thermal_mmio_remove(pdev, proc_priv);
pci_disable_device(pdev);
return ret;
@@ -350,9 +405,15 @@ static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend,
proc_thermal_pci_resume);
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_MBOX) },
- { PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX | PROC_THERMAL_FEATURE_DLVR) },
- { PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX) },
+ { 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, 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) },
+ { PCI_DEVICE_DATA(INTEL, ARL_S_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+ PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_WT_HINT) },
+ { PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+ PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
{ },
};
@@ -368,6 +429,8 @@ static struct pci_driver proc_thermal_pci_driver = {
module_pci_driver(proc_thermal_pci_driver);
+MODULE_IMPORT_NS(INT340X_THERMAL);
+
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c
index 16fd9df5f3..ccfdd2f9d9 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c
@@ -137,7 +137,8 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
{ PCI_DEVICE_DATA(INTEL, ICL_THERMAL, PROC_THERMAL_FEATURE_RAPL) },
{ PCI_DEVICE_DATA(INTEL, JSL_THERMAL, 0) },
{ PCI_DEVICE_DATA(INTEL, SKL_THERMAL, PROC_THERMAL_FEATURE_RAPL) },
- { PCI_DEVICE_DATA(INTEL, TGL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_MBOX) },
+ { PCI_DEVICE_DATA(INTEL, TGL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+ PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_WT_REQ) },
{ },
};
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
index 0b89a4340f..4d3bd32ff9 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
@@ -10,18 +10,12 @@
#include <linux/io-64-nonatomic-lo-hi.h>
#include "processor_thermal_device.h"
-#define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E
-#define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F
-
#define MBOX_OFFSET_DATA 0x5810
#define MBOX_OFFSET_INTERFACE 0x5818
#define MBOX_BUSY_BIT 31
#define MBOX_RETRY_COUNT 100
-#define MBOX_DATA_BIT_VALID 31
-#define MBOX_DATA_BIT_AC_DC 30
-
static DEFINE_MUTEX(mbox_lock);
static int wait_for_mbox_ready(struct proc_thermal_device *proc_priv)
@@ -51,23 +45,16 @@ static int send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data)
int ret;
proc_priv = pci_get_drvdata(pdev);
-
- mutex_lock(&mbox_lock);
-
ret = wait_for_mbox_ready(proc_priv);
if (ret)
- goto unlock_mbox;
+ return ret;
writel(data, (proc_priv->mmio_base + MBOX_OFFSET_DATA));
/* Write command register */
reg_data = BIT_ULL(MBOX_BUSY_BIT) | id;
writel(reg_data, (proc_priv->mmio_base + MBOX_OFFSET_INTERFACE));
- ret = wait_for_mbox_ready(proc_priv);
-
-unlock_mbox:
- mutex_unlock(&mbox_lock);
- return ret;
+ return wait_for_mbox_ready(proc_priv);
}
static int send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
@@ -77,12 +64,9 @@ static int send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
int ret;
proc_priv = pci_get_drvdata(pdev);
-
- mutex_lock(&mbox_lock);
-
ret = wait_for_mbox_ready(proc_priv);
if (ret)
- goto unlock_mbox;
+ return ret;
/* Write command register */
reg_data = BIT_ULL(MBOX_BUSY_BIT) | id;
@@ -90,152 +74,85 @@ static int send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
ret = wait_for_mbox_ready(proc_priv);
if (ret)
- goto unlock_mbox;
+ return ret;
if (id == MBOX_CMD_WORKLOAD_TYPE_READ)
*resp = readl(proc_priv->mmio_base + MBOX_OFFSET_DATA);
else
*resp = readq(proc_priv->mmio_base + MBOX_OFFSET_DATA);
-unlock_mbox:
- mutex_unlock(&mbox_lock);
- return ret;
+ return 0;
}
int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
{
- return send_mbox_read_cmd(pdev, id, resp);
+ int ret;
+
+ mutex_lock(&mbox_lock);
+ ret = send_mbox_read_cmd(pdev, id, resp);
+ mutex_unlock(&mbox_lock);
+
+ return ret;
}
EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_read_cmd, INT340X_THERMAL);
int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data)
{
- return send_mbox_write_cmd(pdev, id, data);
-}
-EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_write_cmd, INT340X_THERMAL);
-
-/* List of workload types */
-static const char * const workload_types[] = {
- "none",
- "idle",
- "semi_active",
- "bursty",
- "sustained",
- "battery_life",
- NULL
-};
-
-static ssize_t workload_available_types_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- int i = 0;
- int ret = 0;
-
- while (workload_types[i] != NULL)
- ret += sprintf(&buf[ret], "%s ", workload_types[i++]);
+ int ret;
- ret += sprintf(&buf[ret], "\n");
+ mutex_lock(&mbox_lock);
+ ret = send_mbox_write_cmd(pdev, id, data);
+ mutex_unlock(&mbox_lock);
return ret;
}
+EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_write_cmd, INT340X_THERMAL);
-static DEVICE_ATTR_RO(workload_available_types);
-
-static ssize_t workload_type_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- char str_preference[15];
- u32 data = 0;
- ssize_t ret;
-
- ret = sscanf(buf, "%14s", str_preference);
- if (ret != 1)
- return -EINVAL;
-
- ret = match_string(workload_types, -1, str_preference);
- if (ret < 0)
- return ret;
-
- ret &= 0xff;
-
- if (ret)
- data = BIT(MBOX_DATA_BIT_VALID) | BIT(MBOX_DATA_BIT_AC_DC);
-
- data |= ret;
-
- ret = send_mbox_write_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_WRITE, data);
- if (ret)
- return false;
-
- return count;
-}
+#define MBOX_CAMARILLO_RD_INTR_CONFIG 0x1E
+#define MBOX_CAMARILLO_WR_INTR_CONFIG 0x1F
+#define WLT_TW_MASK GENMASK_ULL(30, 24)
+#define SOC_PREDICTION_TW_SHIFT 24
-static ssize_t workload_type_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable,
+ int enable_bit, int time_window)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- u64 cmd_resp;
+ u64 data;
int ret;
- ret = send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
- if (ret)
- return false;
-
- cmd_resp &= 0xff;
-
- if (cmd_resp > ARRAY_SIZE(workload_types) - 1)
- return -EINVAL;
+ if (!pdev)
+ return -ENODEV;
- return sprintf(buf, "%s\n", workload_types[cmd_resp]);
-}
-
-static DEVICE_ATTR_RW(workload_type);
+ mutex_lock(&mbox_lock);
-static struct attribute *workload_req_attrs[] = {
- &dev_attr_workload_available_types.attr,
- &dev_attr_workload_type.attr,
- NULL
-};
+ /* Do read modify write for MBOX_CAMARILLO_RD_INTR_CONFIG */
-static const struct attribute_group workload_req_attribute_group = {
- .attrs = workload_req_attrs,
- .name = "workload_request"
-};
+ ret = send_mbox_read_cmd(pdev, MBOX_CAMARILLO_RD_INTR_CONFIG, &data);
+ if (ret) {
+ dev_err(&pdev->dev, "MBOX_CAMARILLO_RD_INTR_CONFIG failed\n");
+ goto unlock;
+ }
-static bool workload_req_created;
+ if (time_window >= 0) {
+ data &= ~WLT_TW_MASK;
-int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
-{
- u64 cmd_resp;
- int ret;
+ /* Program notification delay */
+ data |= ((u64)time_window << SOC_PREDICTION_TW_SHIFT) & WLT_TW_MASK;
+ }
- /* Check if there is a mailbox support, if fails return success */
- ret = send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
- if (ret)
- return 0;
+ if (enable)
+ data |= BIT(enable_bit);
+ else
+ data &= ~BIT(enable_bit);
- ret = sysfs_create_group(&pdev->dev.kobj, &workload_req_attribute_group);
+ ret = send_mbox_write_cmd(pdev, MBOX_CAMARILLO_WR_INTR_CONFIG, data);
if (ret)
- return ret;
+ dev_err(&pdev->dev, "MBOX_CAMARILLO_WR_INTR_CONFIG failed\n");
- workload_req_created = true;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(proc_thermal_mbox_add);
-
-void proc_thermal_mbox_remove(struct pci_dev *pdev)
-{
- if (workload_req_created)
- sysfs_remove_group(&pdev->dev.kobj, &workload_req_attribute_group);
-
- workload_req_created = false;
+unlock:
+ mutex_unlock(&mbox_lock);
+ return ret;
}
-EXPORT_SYMBOL_GPL(proc_thermal_mbox_remove);
+EXPORT_SYMBOL_NS_GPL(processor_thermal_mbox_interrupt_config, INT340X_THERMAL);
MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
new file mode 100644
index 0000000000..a1a108407f
--- /dev/null
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Processor thermal device module for registering and processing
+ * power floor. When the hardware reduces the power to the minimum
+ * possible, the power floor is notified via an interrupt.
+ *
+ * Operation:
+ * When user space enables power floor reporting:
+ * - Use mailbox to:
+ * Enable processor thermal device interrupt
+ *
+ * - Current status of power floor is read from offset 0x5B18
+ * bit 39.
+ *
+ * Two interface functions are provided to call when there is a
+ * thermal device interrupt:
+ * - proc_thermal_power_floor_intr():
+ * Check if the interrupt is for change in power floor.
+ * Called from interrupt context.
+ *
+ * - proc_thermal_power_floor_intr_callback():
+ * Callback for interrupt processing in thread context. This involves
+ * sending notification to user space that there is a change in the
+ * power floor status.
+ *
+ * Copyright (c) 2023, Intel Corporation.
+ */
+
+#include <linux/pci.h>
+#include "processor_thermal_device.h"
+
+#define SOC_POWER_FLOOR_STATUS BIT(39)
+#define SOC_POWER_FLOOR_SHIFT 39
+
+#define SOC_POWER_FLOOR_INT_ENABLE_BIT 31
+#define SOC_POWER_FLOOR_INT_ACTIVE BIT(3)
+
+int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv)
+{
+ u64 status = 0;
+
+ status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+ return (status & SOC_POWER_FLOOR_STATUS) >> SOC_POWER_FLOOR_SHIFT;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_read_power_floor_status, INT340X_THERMAL);
+
+static bool enable_state;
+static DEFINE_MUTEX(pf_lock);
+
+int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable)
+{
+ int ret = 0;
+
+ mutex_lock(&pf_lock);
+ if (enable_state == enable)
+ goto pf_unlock;
+
+ /*
+ * Time window parameter is not applicable to power floor interrupt configuration.
+ * Hence use -1 for time window.
+ */
+ ret = processor_thermal_mbox_interrupt_config(to_pci_dev(proc_priv->dev), enable,
+ SOC_POWER_FLOOR_INT_ENABLE_BIT, -1);
+ if (!ret)
+ enable_state = enable;
+
+pf_unlock:
+ mutex_unlock(&pf_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_set_state, INT340X_THERMAL);
+
+bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv)
+{
+ return enable_state;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_get_state, INT340X_THERMAL);
+
+/**
+ * proc_thermal_check_power_floor_intr() - Check power floor interrupt.
+ * @proc_priv: Processor thermal device instance.
+ *
+ * Callback to check if the interrupt for power floor is active.
+ *
+ * Context: Called from interrupt context.
+ *
+ * Return: true if power floor is active, false when not active.
+ */
+bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv)
+{
+ u64 int_status;
+
+ int_status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+ return !!(int_status & SOC_POWER_FLOOR_INT_ACTIVE);
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_check_power_floor_intr, INT340X_THERMAL);
+
+/**
+ * proc_thermal_power_floor_intr_callback() - Process power floor notification
+ * @pdev: PCI device instance
+ * @proc_priv: Processor thermal device instance.
+ *
+ * Check if the power floor interrupt is active, if active send notification to
+ * user space for the attribute "power_limits", so that user can read the attribute
+ * and take action.
+ *
+ * Context: Called from interrupt thread context.
+ *
+ * Return: None.
+ */
+void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
+ struct proc_thermal_device *proc_priv)
+{
+ u64 status;
+
+ status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+ if (!(status & SOC_POWER_FLOOR_INT_ACTIVE))
+ return;
+
+ sysfs_notify(&pdev->dev.kobj, "power_limits", "power_floor_status");
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_intr_callback, INT340X_THERMAL);
+
+MODULE_IMPORT_NS(INT340X_THERMAL);
+MODULE_LICENSE("GPL");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
new file mode 100644
index 0000000000..9d5e4c169d
--- /dev/null
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * processor thermal device interface for reading workload type hints
+ * from the user space. The hints are provided by the firmware.
+ *
+ * Operation:
+ * When user space enables workload type prediction:
+ * - Use mailbox to:
+ * Configure notification delay
+ * Enable processor thermal device interrupt
+ *
+ * - The predicted workload type can be read from MMIO:
+ * Offset 0x5B18 shows if there was an interrupt
+ * active for change in workload type and also
+ * predicted workload type.
+ *
+ * Two interface functions are provided to call when there is a
+ * thermal device interrupt:
+ * - proc_thermal_check_wt_intr():
+ * Check if the interrupt is for change in workload type. Called from
+ * interrupt context.
+ *
+ * - proc_thermal_wt_intr_callback():
+ * Callback for interrupt processing in thread context. This involves
+ * sending notification to user space that there is a change in the
+ * workload type.
+ *
+ * Copyright (c) 2023, Intel Corporation.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/pci.h>
+#include "processor_thermal_device.h"
+
+#define SOC_WT GENMASK_ULL(47, 40)
+
+#define SOC_WT_PREDICTION_INT_ENABLE_BIT 23
+
+#define SOC_WT_PREDICTION_INT_ACTIVE BIT(2)
+
+/*
+ * Closest possible to 1 Second is 1024 ms with programmed time delay
+ * of 0x0A.
+ */
+static u8 notify_delay = 0x0A;
+static u16 notify_delay_ms = 1024;
+
+static DEFINE_MUTEX(wt_lock);
+static u8 wt_enable;
+
+/* Show current predicted workload type index */
+static ssize_t workload_type_index_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct proc_thermal_device *proc_priv;
+ struct pci_dev *pdev = to_pci_dev(dev);
+ u64 status = 0;
+ int wt;
+
+ mutex_lock(&wt_lock);
+ if (!wt_enable) {
+ mutex_unlock(&wt_lock);
+ return -ENODATA;
+ }
+
+ proc_priv = pci_get_drvdata(pdev);
+
+ status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+
+ mutex_unlock(&wt_lock);
+
+ wt = FIELD_GET(SOC_WT, status);
+
+ return sysfs_emit(buf, "%d\n", wt);
+}
+
+static DEVICE_ATTR_RO(workload_type_index);
+
+static ssize_t workload_hint_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%d\n", wt_enable);
+}
+
+static ssize_t workload_hint_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ u8 mode;
+ int ret;
+
+ if (kstrtou8(buf, 10, &mode) || mode > 1)
+ return -EINVAL;
+
+ mutex_lock(&wt_lock);
+
+ if (mode)
+ ret = processor_thermal_mbox_interrupt_config(pdev, true,
+ SOC_WT_PREDICTION_INT_ENABLE_BIT,
+ notify_delay);
+ else
+ ret = processor_thermal_mbox_interrupt_config(pdev, false,
+ SOC_WT_PREDICTION_INT_ENABLE_BIT, 0);
+
+ if (ret)
+ goto ret_enable_store;
+
+ ret = size;
+ wt_enable = mode;
+
+ret_enable_store:
+ mutex_unlock(&wt_lock);
+
+ return ret;
+}
+
+static DEVICE_ATTR_RW(workload_hint_enable);
+
+static ssize_t notification_delay_ms_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%u\n", notify_delay_ms);
+}
+
+static ssize_t notification_delay_ms_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ u16 new_tw;
+ int ret;
+ u8 tm;
+
+ /*
+ * Time window register value:
+ * Formula: (1 + x/4) * power(2,y)
+ * x = 2 msbs, that is [30:29] y = 5 [28:24]
+ * in INTR_CONFIG register.
+ * The result will be in milli seconds.
+ * Here, just keep x = 0, and just change y.
+ * First round up the user value to power of 2 and
+ * then take log2, to get "y" value to program.
+ */
+ ret = kstrtou16(buf, 10, &new_tw);
+ if (ret)
+ return ret;
+
+ if (!new_tw)
+ return -EINVAL;
+
+ new_tw = roundup_pow_of_two(new_tw);
+ tm = ilog2(new_tw);
+ if (tm > 31)
+ return -EINVAL;
+
+ mutex_lock(&wt_lock);
+
+ /* If the workload hint was already enabled, then update with the new delay */
+ if (wt_enable)
+ ret = processor_thermal_mbox_interrupt_config(pdev, true,
+ SOC_WT_PREDICTION_INT_ENABLE_BIT,
+ tm);
+
+ if (!ret) {
+ ret = size;
+ notify_delay = tm;
+ notify_delay_ms = new_tw;
+ }
+
+ mutex_unlock(&wt_lock);
+
+ return ret;
+}
+
+static DEVICE_ATTR_RW(notification_delay_ms);
+
+static struct attribute *workload_hint_attrs[] = {
+ &dev_attr_workload_type_index.attr,
+ &dev_attr_workload_hint_enable.attr,
+ &dev_attr_notification_delay_ms.attr,
+ NULL
+};
+
+static const struct attribute_group workload_hint_attribute_group = {
+ .attrs = workload_hint_attrs,
+ .name = "workload_hint"
+};
+
+/*
+ * Callback to check if the interrupt for prediction is active.
+ * Caution: Called from the interrupt context.
+ */
+bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv)
+{
+ u64 int_status;
+
+ int_status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+ if (int_status & SOC_WT_PREDICTION_INT_ACTIVE)
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_check_wt_intr, INT340X_THERMAL);
+
+/* Callback to notify user space */
+void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
+{
+ u64 status;
+
+ status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+ if (!(status & SOC_WT_PREDICTION_INT_ACTIVE))
+ return;
+
+ sysfs_notify(&pdev->dev.kobj, "workload_hint", "workload_type_index");
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_intr_callback, INT340X_THERMAL);
+
+static bool workload_hint_created;
+
+int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
+{
+ int ret;
+
+ ret = sysfs_create_group(&pdev->dev.kobj, &workload_hint_attribute_group);
+ if (ret)
+ return ret;
+
+ workload_hint_created = true;
+
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_hint_add, INT340X_THERMAL);
+
+void proc_thermal_wt_hint_remove(struct pci_dev *pdev)
+{
+ mutex_lock(&wt_lock);
+ if (wt_enable)
+ processor_thermal_mbox_interrupt_config(pdev, false,
+ SOC_WT_PREDICTION_INT_ENABLE_BIT,
+ 0);
+ mutex_unlock(&wt_lock);
+
+ if (workload_hint_created)
+ sysfs_remove_group(&pdev->dev.kobj, &workload_hint_attribute_group);
+
+ workload_hint_created = false;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_hint_remove, INT340X_THERMAL);
+
+MODULE_IMPORT_NS(INT340X_THERMAL);
+MODULE_LICENSE("GPL");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
new file mode 100644
index 0000000000..711c4f761c
--- /dev/null
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * processor thermal device for Workload type hints
+ * update from user space
+ *
+ * Copyright (c) 2020-2023, Intel Corporation.
+ */
+
+#include <linux/pci.h>
+#include "processor_thermal_device.h"
+
+/* List of workload types */
+static const char * const workload_types[] = {
+ "none",
+ "idle",
+ "semi_active",
+ "bursty",
+ "sustained",
+ "battery_life",
+ NULL
+};
+
+static ssize_t workload_available_types_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int i = 0;
+ int ret = 0;
+
+ while (workload_types[i] != NULL)
+ ret += sprintf(&buf[ret], "%s ", workload_types[i++]);
+
+ ret += sprintf(&buf[ret], "\n");
+
+ return ret;
+}
+
+static DEVICE_ATTR_RO(workload_available_types);
+
+static ssize_t workload_type_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ char str_preference[15];
+ u32 data = 0;
+ ssize_t ret;
+
+ ret = sscanf(buf, "%14s", str_preference);
+ if (ret != 1)
+ return -EINVAL;
+
+ ret = match_string(workload_types, -1, str_preference);
+ if (ret < 0)
+ return ret;
+
+ ret &= 0xff;
+
+ if (ret)
+ data = BIT(MBOX_DATA_BIT_VALID) | BIT(MBOX_DATA_BIT_AC_DC);
+
+ data |= ret;
+
+ ret = processor_thermal_send_mbox_write_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_WRITE, data);
+ if (ret)
+ return false;
+
+ return count;
+}
+
+static ssize_t workload_type_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ u64 cmd_resp;
+ int ret;
+
+ ret = processor_thermal_send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
+ if (ret)
+ return false;
+
+ cmd_resp &= 0xff;
+
+ if (cmd_resp > ARRAY_SIZE(workload_types) - 1)
+ return -EINVAL;
+
+ return sprintf(buf, "%s\n", workload_types[cmd_resp]);
+}
+
+static DEVICE_ATTR_RW(workload_type);
+
+static struct attribute *workload_req_attrs[] = {
+ &dev_attr_workload_available_types.attr,
+ &dev_attr_workload_type.attr,
+ NULL
+};
+
+static const struct attribute_group workload_req_attribute_group = {
+ .attrs = workload_req_attrs,
+ .name = "workload_request"
+};
+
+static bool workload_req_created;
+
+int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
+{
+ u64 cmd_resp;
+ int ret;
+
+ /* Check if there is a mailbox support, if fails return success */
+ ret = processor_thermal_send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
+ if (ret)
+ return 0;
+
+ ret = sysfs_create_group(&pdev->dev.kobj, &workload_req_attribute_group);
+ if (ret)
+ return ret;
+
+ workload_req_created = true;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(proc_thermal_wt_req_add);
+
+void proc_thermal_wt_req_remove(struct pci_dev *pdev)
+{
+ if (workload_req_created)
+ sysfs_remove_group(&pdev->dev.kobj, &workload_req_attribute_group);
+
+ workload_req_created = false;
+}
+EXPORT_SYMBOL_GPL(proc_thermal_wt_req_remove);
+
+MODULE_IMPORT_NS(INT340X_THERMAL);
+MODULE_LICENSE("GPL");
diff --git a/drivers/thermal/k3_bandgap.c b/drivers/thermal/k3_bandgap.c
index 4a918c1e92..e88192d2af 100644
--- a/drivers/thermal/k3_bandgap.c
+++ b/drivers/thermal/k3_bandgap.c
@@ -235,12 +235,10 @@ err_alloc:
return ret;
}
-static int k3_bandgap_remove(struct platform_device *pdev)
+static void k3_bandgap_remove(struct platform_device *pdev)
{
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
-
- return 0;
}
static const struct of_device_id of_k3_bandgap_match[] = {
@@ -253,7 +251,7 @@ MODULE_DEVICE_TABLE(of, of_k3_bandgap_match);
static struct platform_driver k3_bandgap_sensor_driver = {
.probe = k3_bandgap_probe,
- .remove = k3_bandgap_remove,
+ .remove_new = k3_bandgap_remove,
.driver = {
.name = "k3-soc-thermal",
.of_match_table = of_k3_bandgap_match,
diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c
index 2fc799b07b..c74094a869 100644
--- a/drivers/thermal/k3_j72xx_bandgap.c
+++ b/drivers/thermal/k3_j72xx_bandgap.c
@@ -521,12 +521,10 @@ err_alloc:
return ret;
}
-static int k3_j72xx_bandgap_remove(struct platform_device *pdev)
+static void k3_j72xx_bandgap_remove(struct platform_device *pdev)
{
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
-
- return 0;
}
static const struct k3_j72xx_bandgap_data k3_j72xx_bandgap_j721e_data = {
@@ -552,7 +550,7 @@ MODULE_DEVICE_TABLE(of, of_k3_j72xx_bandgap_match);
static struct platform_driver k3_j72xx_bandgap_sensor_driver = {
.probe = k3_j72xx_bandgap_probe,
- .remove = k3_j72xx_bandgap_remove,
+ .remove_new = k3_j72xx_bandgap_remove,
.driver = {
.name = "k3-j72xx-soc-thermal",
.of_match_table = of_k3_j72xx_bandgap_match,
diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
index acb10d2425..a18158ebe6 100644
--- a/drivers/thermal/kirkwood_thermal.c
+++ b/drivers/thermal/kirkwood_thermal.c
@@ -90,21 +90,19 @@ static int kirkwood_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int kirkwood_thermal_exit(struct platform_device *pdev)
+static void kirkwood_thermal_exit(struct platform_device *pdev)
{
struct thermal_zone_device *kirkwood_thermal =
platform_get_drvdata(pdev);
thermal_zone_device_unregister(kirkwood_thermal);
-
- return 0;
}
MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
static struct platform_driver kirkwood_thermal_driver = {
.probe = kirkwood_thermal_probe,
- .remove = kirkwood_thermal_exit,
+ .remove_new = kirkwood_thermal_exit,
.driver = {
.name = "kirkwood_thermal",
.of_match_table = kirkwood_thermal_id_table,
diff --git a/drivers/thermal/max77620_thermal.c b/drivers/thermal/max77620_thermal.c
index 919b6ee208..85a12e98d6 100644
--- a/drivers/thermal/max77620_thermal.c
+++ b/drivers/thermal/max77620_thermal.c
@@ -114,12 +114,8 @@ static int max77620_thermal_probe(struct platform_device *pdev)
mtherm->tz_device = devm_thermal_of_zone_register(&pdev->dev, 0,
mtherm, &max77620_thermal_ops);
- if (IS_ERR(mtherm->tz_device)) {
- ret = PTR_ERR(mtherm->tz_device);
- dev_err(&pdev->dev, "Failed to register thermal zone: %d\n",
- ret);
- return ret;
- }
+ if (IS_ERR(mtherm->tz_device))
+ return PTR_ERR(mtherm->tz_device);
ret = devm_request_threaded_irq(&pdev->dev, mtherm->irq_tjalarm1, NULL,
max77620_thermal_irq,
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index effd9b00a4..98d9c80bd4 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -80,8 +80,10 @@
#define LVTS_SENSOR_MAX 4
#define LVTS_GOLDEN_TEMP_MAX 62
#define LVTS_GOLDEN_TEMP_DEFAULT 50
-#define LVTS_COEFF_A -250460
-#define LVTS_COEFF_B 250460
+#define LVTS_COEFF_A_MT8195 -250460
+#define LVTS_COEFF_B_MT8195 250460
+#define LVTS_COEFF_A_MT7988 -204650
+#define LVTS_COEFF_B_MT7988 204650
#define LVTS_MSR_IMMEDIATE_MODE 0
#define LVTS_MSR_FILTERED_MODE 1
@@ -89,12 +91,14 @@
#define LVTS_MSR_READ_TIMEOUT_US 400
#define LVTS_MSR_READ_WAIT_US (LVTS_MSR_READ_TIMEOUT_US / 2)
+#define LVTS_HW_SHUTDOWN_MT7988 105000
+#define LVTS_HW_SHUTDOWN_MT8192 105000
#define LVTS_HW_SHUTDOWN_MT8195 105000
#define LVTS_MINIMUM_THRESHOLD 20000
static int golden_temp = LVTS_GOLDEN_TEMP_DEFAULT;
-static int coeff_b = LVTS_COEFF_B;
+static int golden_temp_offset;
struct lvts_sensor_data {
int dt_id;
@@ -112,6 +116,8 @@ struct lvts_ctrl_data {
struct lvts_data {
const struct lvts_ctrl_data *lvts_ctrl;
int num_lvts_ctrl;
+ int temp_factor;
+ int temp_offset;
};
struct lvts_sensor {
@@ -126,6 +132,7 @@ struct lvts_sensor {
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;
int num_lvts_sensor;
@@ -213,7 +220,7 @@ static int lvts_debugfs_init(struct device *dev, struct lvts_domain *lvts_td)
sprintf(name, "controller%d", i);
dentry = debugfs_create_dir(name, lvts_td->dom_dentry);
- if (!dentry)
+ if (IS_ERR(dentry))
continue;
regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
@@ -247,21 +254,21 @@ static void lvts_debugfs_exit(struct lvts_domain *lvts_td) { }
#endif
-static int lvts_raw_to_temp(u32 raw_temp)
+static int lvts_raw_to_temp(u32 raw_temp, int temp_factor)
{
int temperature;
- temperature = ((s64)(raw_temp & 0xFFFF) * LVTS_COEFF_A) >> 14;
- temperature += coeff_b;
+ temperature = ((s64)(raw_temp & 0xFFFF) * temp_factor) >> 14;
+ temperature += golden_temp_offset;
return temperature;
}
-static u32 lvts_temp_to_raw(int temperature)
+static u32 lvts_temp_to_raw(int temperature, int temp_factor)
{
- u32 raw_temp = ((s64)(coeff_b - temperature)) << 14;
+ u32 raw_temp = ((s64)(golden_temp_offset - temperature)) << 14;
- raw_temp = div_s64(raw_temp, -LVTS_COEFF_A);
+ raw_temp = div_s64(raw_temp, -temp_factor);
return raw_temp;
}
@@ -269,6 +276,9 @@ static u32 lvts_temp_to_raw(int temperature)
static int lvts_get_temp(struct thermal_zone_device *tz, int *temp)
{
struct lvts_sensor *lvts_sensor = thermal_zone_device_priv(tz);
+ struct lvts_ctrl *lvts_ctrl = container_of(lvts_sensor, struct lvts_ctrl,
+ sensors[lvts_sensor->id]);
+ const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
void __iomem *msr = lvts_sensor->msr;
u32 value;
int rc;
@@ -301,7 +311,7 @@ static int lvts_get_temp(struct thermal_zone_device *tz, int *temp)
if (rc)
return -EAGAIN;
- *temp = lvts_raw_to_temp(value & 0xFFFF);
+ *temp = lvts_raw_to_temp(value & 0xFFFF, lvts_data->temp_factor);
return 0;
}
@@ -348,10 +358,13 @@ static bool lvts_should_update_thresh(struct lvts_ctrl *lvts_ctrl, int high)
static int lvts_set_trips(struct thermal_zone_device *tz, int low, int high)
{
struct lvts_sensor *lvts_sensor = thermal_zone_device_priv(tz);
- struct lvts_ctrl *lvts_ctrl = container_of(lvts_sensor, struct lvts_ctrl, sensors[lvts_sensor->id]);
+ struct lvts_ctrl *lvts_ctrl = container_of(lvts_sensor, struct lvts_ctrl,
+ sensors[lvts_sensor->id]);
+ const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
void __iomem *base = lvts_sensor->base;
- u32 raw_low = lvts_temp_to_raw(low != -INT_MAX ? low : LVTS_MINIMUM_THRESHOLD);
- u32 raw_high = lvts_temp_to_raw(high);
+ u32 raw_low = lvts_temp_to_raw(low != -INT_MAX ? low : LVTS_MINIMUM_THRESHOLD,
+ lvts_data->temp_factor);
+ u32 raw_high = lvts_temp_to_raw(high, lvts_data->temp_factor);
bool should_update_thresh;
lvts_sensor->low_thresh = low;
@@ -603,7 +616,34 @@ static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
* The efuse blob values follows the sensor enumeration per thermal
* controller. The decoding of the stream is as follow:
*
- * stream index map for MCU Domain :
+ * MT8192 :
+ * Stream index map for MCU Domain mt8192 :
+ *
+ * <-----mcu-tc#0-----> <-----sensor#0-----> <-----sensor#1----->
+ * 0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09 | 0x0A | 0x0B
+ *
+ * <-----sensor#2-----> <-----sensor#3----->
+ * 0x0C | 0x0D | 0x0E | 0x0F | 0x10 | 0x11 | 0x12 | 0x13
+ *
+ * <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6-----> <-----sensor#7----->
+ * 0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21 | 0x22 | 0x23
+ *
+ * Stream index map for AP Domain mt8192 :
+ *
+ * <-----sensor#0-----> <-----sensor#1----->
+ * 0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A | 0x2B
+ *
+ * <-----sensor#2-----> <-----sensor#3----->
+ * 0x2C | 0x2D | 0x2E | 0x2F | 0x30 | 0x31 | 0x32 | 0x33
+ *
+ * <-----sensor#4-----> <-----sensor#5----->
+ * 0x34 | 0x35 | 0x36 | 0x37 | 0x38 | 0x39 | 0x3A | 0x3B
+ *
+ * <-----sensor#6-----> <-----sensor#7-----> <-----sensor#8----->
+ * 0x3C | 0x3D | 0x3E | 0x3F | 0x40 | 0x41 | 0x42 | 0x43 | 0x44 | 0x45 | 0x46 | 0x47
+ *
+ * MT8195 :
+ * Stream index map for MCU Domain mt8195 :
*
* <-----mcu-tc#0-----> <-----sensor#0-----> <-----sensor#1----->
* 0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09
@@ -614,7 +654,7 @@ static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
* <-----mcu-tc#2-----> <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6-----> <-----sensor#7----->
* 0x13 | 0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21
*
- * stream index map for AP Domain :
+ * Stream index map for AP Domain mt8195 :
*
* <-----ap--tc#0-----> <-----sensor#0-----> <-----sensor#1----->
* 0x22 | 0x23 | 0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A
@@ -692,7 +732,7 @@ static int lvts_calibration_read(struct device *dev, struct lvts_domain *lvts_td
return 0;
}
-static int lvts_golden_temp_init(struct device *dev, u32 *value)
+static int lvts_golden_temp_init(struct device *dev, u32 *value, int temp_offset)
{
u32 gt;
@@ -701,7 +741,7 @@ static int lvts_golden_temp_init(struct device *dev, u32 *value)
if (gt && gt < LVTS_GOLDEN_TEMP_MAX)
golden_temp = gt;
- coeff_b = golden_temp * 500 + LVTS_COEFF_B;
+ golden_temp_offset = golden_temp * 500 + temp_offset;
return 0;
}
@@ -724,7 +764,7 @@ static int lvts_ctrl_init(struct device *dev, struct lvts_domain *lvts_td,
* The golden temp information is contained in the first chunk
* of efuse data.
*/
- ret = lvts_golden_temp_init(dev, (u32 *)lvts_td->calib);
+ ret = lvts_golden_temp_init(dev, (u32 *)lvts_td->calib, lvts_data->temp_offset);
if (ret)
return ret;
@@ -735,6 +775,7 @@ static int lvts_ctrl_init(struct device *dev, struct lvts_domain *lvts_td,
for (i = 0; i < lvts_data->num_lvts_ctrl; i++) {
lvts_ctrl[i].base = lvts_td->base + lvts_data->lvts_ctrl[i].offset;
+ lvts_ctrl[i].lvts_data = lvts_data;
ret = lvts_sensor_init(dev, &lvts_ctrl[i],
&lvts_data->lvts_ctrl[i]);
@@ -758,7 +799,8 @@ static int lvts_ctrl_init(struct device *dev, struct lvts_domain *lvts_td,
* after initializing the calibration.
*/
lvts_ctrl[i].hw_tshut_raw_temp =
- lvts_temp_to_raw(lvts_data->lvts_ctrl[i].hw_tshut_temp);
+ lvts_temp_to_raw(lvts_data->lvts_ctrl[i].hw_tshut_temp,
+ lvts_data->temp_factor);
lvts_ctrl[i].low_thresh = INT_MIN;
lvts_ctrl[i].high_thresh = INT_MIN;
@@ -1223,6 +1265,8 @@ static int lvts_probe(struct platform_device *pdev)
if (irq < 0)
return irq;
+ golden_temp_offset = lvts_data->temp_offset;
+
ret = lvts_domain_init(dev, lvts_td, lvts_data);
if (ret)
return dev_err_probe(dev, ret, "Failed to initialize the lvts domain\n");
@@ -1241,7 +1285,7 @@ static int lvts_probe(struct platform_device *pdev)
return 0;
}
-static int lvts_remove(struct platform_device *pdev)
+static void lvts_remove(struct platform_device *pdev)
{
struct lvts_domain *lvts_td;
int i;
@@ -1252,10 +1296,149 @@ static int lvts_remove(struct platform_device *pdev)
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[] = {
+ {
+ .cal_offset = { 0x00, 0x04, 0x08, 0x0c },
+ .lvts_sensor = {
+ { .dt_id = MT7988_CPU_0 },
+ { .dt_id = MT7988_CPU_1 },
+ { .dt_id = MT7988_ETH2P5G_0 },
+ { .dt_id = MT7988_ETH2P5G_1 }
+ },
+ .num_lvts_sensor = 4,
+ .offset = 0x0,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988,
+ },
+ {
+ .cal_offset = { 0x14, 0x18, 0x1c, 0x20 },
+ .lvts_sensor = {
+ { .dt_id = MT7988_TOPS_0},
+ { .dt_id = MT7988_TOPS_1},
+ { .dt_id = MT7988_ETHWARP_0},
+ { .dt_id = MT7988_ETHWARP_1}
+ },
+ .num_lvts_sensor = 4,
+ .offset = 0x100,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988,
+ }
+};
+
+static int lvts_suspend(struct device *dev)
+{
+ struct lvts_domain *lvts_td;
+ int i;
+
+ lvts_td = dev_get_drvdata(dev);
+
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
+
+ clk_disable_unprepare(lvts_td->clk);
return 0;
}
+static int lvts_resume(struct device *dev)
+{
+ struct lvts_domain *lvts_td;
+ int i, ret;
+
+ lvts_td = dev_get_drvdata(dev);
+
+ ret = clk_prepare_enable(lvts_td->clk);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], true);
+
+ return 0;
+}
+
+static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
+ {
+ .cal_offset = { 0x04, 0x08 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_MCU_BIG_CPU0 },
+ { .dt_id = MT8192_MCU_BIG_CPU1 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x0,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ .mode = LVTS_MSR_FILTERED_MODE,
+ },
+ {
+ .cal_offset = { 0x0c, 0x10 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_MCU_BIG_CPU2 },
+ { .dt_id = MT8192_MCU_BIG_CPU3 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x100,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ .mode = LVTS_MSR_FILTERED_MODE,
+ },
+ {
+ .cal_offset = { 0x14, 0x18, 0x1c, 0x20 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_MCU_LITTLE_CPU0 },
+ { .dt_id = MT8192_MCU_LITTLE_CPU1 },
+ { .dt_id = MT8192_MCU_LITTLE_CPU2 },
+ { .dt_id = MT8192_MCU_LITTLE_CPU3 }
+ },
+ .num_lvts_sensor = 4,
+ .offset = 0x200,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ .mode = LVTS_MSR_FILTERED_MODE,
+ }
+};
+
+static const struct lvts_ctrl_data mt8192_lvts_ap_data_ctrl[] = {
+ {
+ .cal_offset = { 0x24, 0x28 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_VPU0 },
+ { .dt_id = MT8192_AP_VPU1 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x0,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ },
+ {
+ .cal_offset = { 0x2c, 0x30 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_GPU0 },
+ { .dt_id = MT8192_AP_GPU1 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x100,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ },
+ {
+ .cal_offset = { 0x34, 0x38 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_INFRA },
+ { .dt_id = MT8192_AP_CAM },
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x200,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ },
+ {
+ .cal_offset = { 0x3c, 0x40, 0x44 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_MD0 },
+ { .dt_id = MT8192_AP_MD1 },
+ { .dt_id = MT8192_AP_MD2 }
+ },
+ .num_lvts_sensor = 3,
+ .offset = 0x300,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ }
+};
+
static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
{
.cal_offset = { 0x04, 0x07 },
@@ -1335,29 +1518,58 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
}
};
+static const struct lvts_data mt7988_lvts_ap_data = {
+ .lvts_ctrl = mt7988_lvts_ap_data_ctrl,
+ .num_lvts_ctrl = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),
+ .temp_factor = LVTS_COEFF_A_MT7988,
+ .temp_offset = LVTS_COEFF_B_MT7988,
+};
+
+static const struct lvts_data mt8192_lvts_mcu_data = {
+ .lvts_ctrl = mt8192_lvts_mcu_data_ctrl,
+ .num_lvts_ctrl = ARRAY_SIZE(mt8192_lvts_mcu_data_ctrl),
+};
+
+static const struct lvts_data mt8192_lvts_ap_data = {
+ .lvts_ctrl = mt8192_lvts_ap_data_ctrl,
+ .num_lvts_ctrl = ARRAY_SIZE(mt8192_lvts_ap_data_ctrl),
+};
+
static const struct lvts_data mt8195_lvts_mcu_data = {
.lvts_ctrl = mt8195_lvts_mcu_data_ctrl,
.num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
+ .temp_factor = LVTS_COEFF_A_MT8195,
+ .temp_offset = LVTS_COEFF_B_MT8195,
};
static const struct lvts_data mt8195_lvts_ap_data = {
.lvts_ctrl = mt8195_lvts_ap_data_ctrl,
.num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_ap_data_ctrl),
+ .temp_factor = LVTS_COEFF_A_MT8195,
+ .temp_offset = LVTS_COEFF_B_MT8195,
};
static const struct of_device_id lvts_of_match[] = {
+ { .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data },
+ { .compatible = "mediatek,mt8192-lvts-mcu", .data = &mt8192_lvts_mcu_data },
+ { .compatible = "mediatek,mt8192-lvts-ap", .data = &mt8192_lvts_ap_data },
{ .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
{ .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
{},
};
MODULE_DEVICE_TABLE(of, lvts_of_match);
+static const struct dev_pm_ops lvts_pm_ops = {
+ NOIRQ_SYSTEM_SLEEP_PM_OPS(lvts_suspend, lvts_resume)
+};
+
static struct platform_driver lvts_driver = {
.probe = lvts_probe,
- .remove = lvts_remove,
+ .remove_new = lvts_remove,
.driver = {
.name = "mtk-lvts-thermal",
.of_match_table = lvts_of_match,
+ .pm = &lvts_pm_ops,
},
};
module_platform_driver(lvts_driver);
diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c
index 87c09f62ee..32d2d3e332 100644
--- a/drivers/thermal/qcom/tsens-v0_1.c
+++ b/drivers/thermal/qcom/tsens-v0_1.c
@@ -325,12 +325,6 @@ static const struct reg_field tsens_v0_1_regfields[MAX_REGFIELDS] = {
[TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0),
};
-static const struct tsens_ops ops_v0_1 = {
- .init = init_common,
- .calibrate = tsens_calibrate_common,
- .get_temp = get_temp_common,
-};
-
static const struct tsens_ops ops_8226 = {
.init = init_8226,
.calibrate = tsens_calibrate_common,
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 98c356acfe..6d7c16ccb4 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -1319,7 +1319,7 @@ static int tsens_probe(struct platform_device *pdev)
return ret;
}
-static int tsens_remove(struct platform_device *pdev)
+static void tsens_remove(struct platform_device *pdev)
{
struct tsens_priv *priv = platform_get_drvdata(pdev);
@@ -1327,13 +1327,11 @@ static int tsens_remove(struct platform_device *pdev)
tsens_disable_irq(priv);
if (priv->ops->disable)
priv->ops->disable(priv);
-
- return 0;
}
static struct platform_driver tsens_driver = {
.probe = tsens_probe,
- .remove = tsens_remove,
+ .remove_new = tsens_remove,
.driver = {
.name = "qcom-tsens",
.pm = &tsens_pm_ops,
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index 2805de1c68..cb637fa289 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -585,7 +585,7 @@ struct tsens_priv {
struct dentry *debug_root;
struct dentry *debug;
- struct tsens_sensor sensor[];
+ struct tsens_sensor sensor[] __counted_by(num_sensors);
};
/**
diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index bd2fb8c2e9..cafcb6d6e2 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -432,14 +432,12 @@ static const struct of_device_id rcar_gen3_thermal_dt_ids[] = {
};
MODULE_DEVICE_TABLE(of, rcar_gen3_thermal_dt_ids);
-static int rcar_gen3_thermal_remove(struct platform_device *pdev)
+static void rcar_gen3_thermal_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
pm_runtime_put(dev);
pm_runtime_disable(dev);
-
- return 0;
}
static void rcar_gen3_hwmon_action(void *data)
@@ -594,7 +592,7 @@ static struct platform_driver rcar_gen3_thermal_driver = {
.of_match_table = rcar_gen3_thermal_dt_ids,
},
.probe = rcar_gen3_thermal_probe,
- .remove = rcar_gen3_thermal_remove,
+ .remove_new = rcar_gen3_thermal_remove,
};
module_platform_driver(rcar_gen3_thermal_driver);
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 293f8dd9fe..feb848d595 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -371,7 +371,7 @@ static irqreturn_t rcar_thermal_irq(int irq, void *data)
/*
* platform functions
*/
-static int rcar_thermal_remove(struct platform_device *pdev)
+static void rcar_thermal_remove(struct platform_device *pdev)
{
struct rcar_thermal_common *common = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
@@ -388,8 +388,6 @@ static int rcar_thermal_remove(struct platform_device *pdev)
pm_runtime_put(dev);
pm_runtime_disable(dev);
-
- return 0;
}
static int rcar_thermal_probe(struct platform_device *pdev)
@@ -581,7 +579,7 @@ static struct platform_driver rcar_thermal_driver = {
.of_match_table = rcar_thermal_dt_ids,
},
.probe = rcar_thermal_probe,
- .remove = rcar_thermal_remove,
+ .remove_new = rcar_thermal_remove,
};
module_platform_driver(rcar_thermal_driver);
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 77231a9d28..086ed42dd1 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -1601,7 +1601,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int rockchip_thermal_remove(struct platform_device *pdev)
+static void rockchip_thermal_remove(struct platform_device *pdev)
{
struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
int i;
@@ -1614,8 +1614,6 @@ static int rockchip_thermal_remove(struct platform_device *pdev)
}
thermal->chip->control(thermal->regs, false);
-
- return 0;
}
static int __maybe_unused rockchip_thermal_suspend(struct device *dev)
@@ -1691,7 +1689,7 @@ static struct platform_driver rockchip_thermal_driver = {
.of_match_table = of_rockchip_thermal_match,
},
.probe = rockchip_thermal_probe,
- .remove = rockchip_thermal_remove,
+ .remove_new = rockchip_thermal_remove,
};
module_platform_driver(rockchip_thermal_driver);
diff --git a/drivers/thermal/rzg2l_thermal.c b/drivers/thermal/rzg2l_thermal.c
index 6b2bf3426f..04efd824ac 100644
--- a/drivers/thermal/rzg2l_thermal.c
+++ b/drivers/thermal/rzg2l_thermal.c
@@ -150,14 +150,12 @@ static void rzg2l_thermal_reset_assert_pm_disable_put(struct platform_device *pd
reset_control_assert(priv->rstc);
}
-static int rzg2l_thermal_remove(struct platform_device *pdev)
+static void rzg2l_thermal_remove(struct platform_device *pdev)
{
struct rzg2l_thermal_priv *priv = dev_get_drvdata(&pdev->dev);
thermal_remove_hwmon_sysfs(priv->zone);
rzg2l_thermal_reset_assert_pm_disable_put(pdev);
-
- return 0;
}
static int rzg2l_thermal_probe(struct platform_device *pdev)
@@ -242,7 +240,7 @@ static struct platform_driver rzg2l_thermal_driver = {
.of_match_table = rzg2l_thermal_dt_ids,
},
.probe = rzg2l_thermal_probe,
- .remove = rzg2l_thermal_remove,
+ .remove_new = rzg2l_thermal_remove,
};
module_platform_driver(rzg2l_thermal_driver);
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index e5bc2c8201..123ec81e19 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -1124,7 +1124,7 @@ err_sensor:
return ret;
}
-static int exynos_tmu_remove(struct platform_device *pdev)
+static void exynos_tmu_remove(struct platform_device *pdev)
{
struct exynos_tmu_data *data = platform_get_drvdata(pdev);
@@ -1137,8 +1137,6 @@ static int exynos_tmu_remove(struct platform_device *pdev)
if (!IS_ERR(data->regulator))
regulator_disable(data->regulator);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -1173,7 +1171,7 @@ static struct platform_driver exynos_tmu_driver = {
.of_match_table = exynos_tmu_match,
},
.probe = exynos_tmu_probe,
- .remove = exynos_tmu_remove,
+ .remove_new = exynos_tmu_remove,
};
module_platform_driver(exynos_tmu_driver);
diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
index 96d9928979..60a871998b 100644
--- a/drivers/thermal/spear_thermal.c
+++ b/drivers/thermal/spear_thermal.c
@@ -150,7 +150,7 @@ disable_clk:
return ret;
}
-static int spear_thermal_exit(struct platform_device *pdev)
+static void spear_thermal_exit(struct platform_device *pdev)
{
unsigned int actual_mask = 0;
struct thermal_zone_device *spear_thermal = platform_get_drvdata(pdev);
@@ -163,8 +163,6 @@ static int spear_thermal_exit(struct platform_device *pdev)
writel_relaxed(actual_mask & ~stdev->flags, stdev->thermal_base);
clk_disable(stdev->clk);
-
- return 0;
}
static const struct of_device_id spear_thermal_id_table[] = {
@@ -175,7 +173,7 @@ MODULE_DEVICE_TABLE(of, spear_thermal_id_table);
static struct platform_driver spear_thermal_driver = {
.probe = spear_thermal_probe,
- .remove = spear_thermal_exit,
+ .remove_new = spear_thermal_exit,
.driver = {
.name = "spear_thermal",
.pm = &spear_thermal_pm_ops,
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index e27c4bdc89..8741925465 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -516,7 +516,7 @@ disable_clk:
}
#endif
-static int sprd_thm_remove(struct platform_device *pdev)
+static void sprd_thm_remove(struct platform_device *pdev)
{
struct sprd_thermal_data *thm = platform_get_drvdata(pdev);
int i;
@@ -528,7 +528,6 @@ static int sprd_thm_remove(struct platform_device *pdev)
}
clk_disable_unprepare(thm->clk);
- return 0;
}
static const struct of_device_id sprd_thermal_of_match[] = {
@@ -543,7 +542,7 @@ static const struct dev_pm_ops sprd_thermal_pm_ops = {
static struct platform_driver sprd_thermal_driver = {
.probe = sprd_thm_probe,
- .remove = sprd_thm_remove,
+ .remove_new = sprd_thm_remove,
.driver = {
.name = "sprd-thermal",
.pm = &sprd_thermal_pm_ops,
diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c
index 142a7e5d12..34785b9276 100644
--- a/drivers/thermal/st/stm_thermal.c
+++ b/drivers/thermal/st/stm_thermal.c
@@ -569,14 +569,12 @@ err_tz:
return ret;
}
-static int stm_thermal_remove(struct platform_device *pdev)
+static void stm_thermal_remove(struct platform_device *pdev)
{
struct stm_thermal_sensor *sensor = platform_get_drvdata(pdev);
stm_thermal_sensor_off(sensor);
thermal_remove_hwmon_sysfs(sensor->th_dev);
-
- return 0;
}
static struct platform_driver stm_thermal_driver = {
@@ -586,7 +584,7 @@ static struct platform_driver stm_thermal_driver = {
.of_match_table = stm_thermal_of_match,
},
.probe = stm_thermal_probe,
- .remove = stm_thermal_remove,
+ .remove_new = stm_thermal_remove,
};
module_platform_driver(stm_thermal_driver);
diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c
index ea66cba09e..e7fe8683bf 100644
--- a/drivers/thermal/tegra/soctherm.c
+++ b/drivers/thermal/tegra/soctherm.c
@@ -2219,15 +2219,13 @@ disable_clocks:
return err;
}
-static int tegra_soctherm_remove(struct platform_device *pdev)
+static void tegra_soctherm_remove(struct platform_device *pdev)
{
struct tegra_soctherm *tegra = platform_get_drvdata(pdev);
debugfs_remove_recursive(tegra->debugfs_dir);
soctherm_clk_enable(pdev, false);
-
- return 0;
}
static int __maybe_unused soctherm_suspend(struct device *dev)
@@ -2274,7 +2272,7 @@ static SIMPLE_DEV_PM_OPS(tegra_soctherm_pm, soctherm_suspend, soctherm_resume);
static struct platform_driver tegra_soctherm_driver = {
.probe = tegra_soctherm_probe,
- .remove = tegra_soctherm_remove,
+ .remove_new = tegra_soctherm_remove,
.driver = {
.name = "tegra_soctherm",
.pm = &tegra_soctherm_pm,
diff --git a/drivers/thermal/tegra/tegra-bpmp-thermal.c b/drivers/thermal/tegra/tegra-bpmp-thermal.c
index 4ffc3bb3bf..72ce14c980 100644
--- a/drivers/thermal/tegra/tegra-bpmp-thermal.c
+++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c
@@ -300,13 +300,11 @@ static int tegra_bpmp_thermal_probe(struct platform_device *pdev)
return 0;
}
-static int tegra_bpmp_thermal_remove(struct platform_device *pdev)
+static void tegra_bpmp_thermal_remove(struct platform_device *pdev)
{
struct tegra_bpmp_thermal *tegra = platform_get_drvdata(pdev);
tegra_bpmp_free_mrq(tegra->bpmp, MRQ_THERMAL, tegra);
-
- return 0;
}
static const struct of_device_id tegra_bpmp_thermal_of_match[] = {
@@ -317,7 +315,7 @@ MODULE_DEVICE_TABLE(of, tegra_bpmp_thermal_of_match);
static struct platform_driver tegra_bpmp_thermal_driver = {
.probe = tegra_bpmp_thermal_probe,
- .remove = tegra_bpmp_thermal_remove,
+ .remove_new = tegra_bpmp_thermal_remove,
.driver = {
.name = "tegra-bpmp-thermal",
.of_match_table = tegra_bpmp_thermal_of_match,
diff --git a/drivers/thermal/thermal_acpi.c b/drivers/thermal/thermal_acpi.c
index 0e5698818f..43eaf0f2ff 100644
--- a/drivers/thermal/thermal_acpi.c
+++ b/drivers/thermal/thermal_acpi.c
@@ -8,8 +8,7 @@
*/
#include <linux/acpi.h>
#include <linux/units.h>
-
-#include "thermal_core.h"
+#include <linux/thermal.h>
/*
* Minimum temperature for full military grade is 218°K (-55°C) and
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 1494ffa597..45f5172741 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -37,8 +37,6 @@ static LIST_HEAD(thermal_governor_list);
static DEFINE_MUTEX(thermal_list_lock);
static DEFINE_MUTEX(thermal_governor_lock);
-static atomic_t in_suspend;
-
static struct thermal_governor *def_governor;
/*
@@ -307,7 +305,8 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz)
thermal_zone_device_set_polling(tz, tz->polling_delay_jiffies);
}
-static void handle_non_critical_trips(struct thermal_zone_device *tz, int trip)
+static void handle_non_critical_trips(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
tz->governor ? tz->governor->throttle(tz, trip) :
def_governor->throttle(tz, trip);
@@ -329,48 +328,43 @@ void thermal_zone_device_critical(struct thermal_zone_device *tz)
EXPORT_SYMBOL(thermal_zone_device_critical);
static void handle_critical_trips(struct thermal_zone_device *tz,
- int trip, int trip_temp, enum thermal_trip_type trip_type)
+ const struct thermal_trip *trip)
{
/* If we have not crossed the trip_temp, we do not care. */
- if (trip_temp <= 0 || tz->temperature < trip_temp)
+ if (trip->temperature <= 0 || tz->temperature < trip->temperature)
return;
- trace_thermal_zone_trip(tz, trip, trip_type);
+ trace_thermal_zone_trip(tz, thermal_zone_trip_id(tz, trip), trip->type);
- if (trip_type == THERMAL_TRIP_HOT && tz->ops->hot)
- tz->ops->hot(tz);
- else if (trip_type == THERMAL_TRIP_CRITICAL)
+ if (trip->type == THERMAL_TRIP_CRITICAL)
tz->ops->critical(tz);
+ else if (tz->ops->hot)
+ tz->ops->hot(tz);
}
-static void handle_thermal_trip(struct thermal_zone_device *tz, int trip_id)
+static void handle_thermal_trip(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip)
{
- struct thermal_trip trip;
-
- /* Ignore disabled trip points */
- if (test_bit(trip_id, &tz->trips_disabled))
- return;
-
- __thermal_zone_get_trip(tz, trip_id, &trip);
-
- if (trip.temperature == THERMAL_TEMP_INVALID)
+ if (trip->temperature == THERMAL_TEMP_INVALID)
return;
if (tz->last_temperature != THERMAL_TEMP_INVALID) {
- if (tz->last_temperature < trip.temperature &&
- tz->temperature >= trip.temperature)
- thermal_notify_tz_trip_up(tz->id, trip_id,
+ if (tz->last_temperature < trip->temperature &&
+ tz->temperature >= trip->temperature)
+ thermal_notify_tz_trip_up(tz->id,
+ thermal_zone_trip_id(tz, trip),
tz->temperature);
- if (tz->last_temperature >= trip.temperature &&
- tz->temperature < (trip.temperature - trip.hysteresis))
- thermal_notify_tz_trip_down(tz->id, trip_id,
+ if (tz->last_temperature >= trip->temperature &&
+ tz->temperature < trip->temperature - trip->hysteresis)
+ thermal_notify_tz_trip_down(tz->id,
+ thermal_zone_trip_id(tz, trip),
tz->temperature);
}
- if (trip.type == THERMAL_TRIP_CRITICAL || trip.type == THERMAL_TRIP_HOT)
- handle_critical_trips(tz, trip_id, trip.temperature, trip.type);
+ if (trip->type == THERMAL_TRIP_CRITICAL || trip->type == THERMAL_TRIP_HOT)
+ handle_critical_trips(tz, trip);
else
- handle_non_critical_trips(tz, trip_id);
+ handle_non_critical_trips(tz, trip);
}
static void update_temperature(struct thermal_zone_device *tz)
@@ -407,9 +401,9 @@ static void thermal_zone_device_init(struct thermal_zone_device *tz)
void __thermal_zone_device_update(struct thermal_zone_device *tz,
enum thermal_notify_event event)
{
- int count;
+ const struct thermal_trip *trip;
- if (atomic_read(&in_suspend))
+ if (tz->suspended)
return;
if (WARN_ONCE(!tz->ops->get_temp,
@@ -426,8 +420,8 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz,
tz->notify_event = event;
- for (count = 0; count < tz->num_trips; count++)
- handle_thermal_trip(tz, count);
+ for_each_trip(tz, trip)
+ handle_thermal_trip(tz, trip);
monitor_thermal_zone(tz);
}
@@ -499,25 +493,6 @@ void thermal_zone_device_update(struct thermal_zone_device *tz,
}
EXPORT_SYMBOL_GPL(thermal_zone_device_update);
-/**
- * thermal_zone_device_exec - Run a callback under the zone lock.
- * @tz: Thermal zone.
- * @cb: Callback to run.
- * @data: Data to pass to the callback.
- */
-void thermal_zone_device_exec(struct thermal_zone_device *tz,
- void (*cb)(struct thermal_zone_device *,
- unsigned long),
- unsigned long data)
-{
- mutex_lock(&tz->lock);
-
- cb(tz, data);
-
- mutex_unlock(&tz->lock);
-}
-EXPORT_SYMBOL_GPL(thermal_zone_device_exec);
-
static void thermal_zone_device_check(struct work_struct *work)
{
struct thermal_zone_device *tz = container_of(work, struct
@@ -604,10 +579,9 @@ struct thermal_zone_device *thermal_zone_get_by_id(int id)
*/
/**
- * thermal_zone_bind_cooling_device() - bind a cooling device to a thermal zone
+ * thermal_bind_cdev_to_trip - bind a cooling device to a thermal zone
* @tz: pointer to struct thermal_zone_device
- * @trip_index: indicates which trip point the cooling devices is
- * associated with in this thermal zone.
+ * @trip: trip point the cooling devices is associated with in this zone.
* @cdev: pointer to struct thermal_cooling_device
* @upper: the Maximum cooling state for this trip point.
* THERMAL_NO_LIMIT means no upper limit,
@@ -625,8 +599,8 @@ struct thermal_zone_device *thermal_zone_get_by_id(int id)
*
* Return: 0 on success, the proper error value otherwise.
*/
-int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
- int trip_index,
+int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip,
struct thermal_cooling_device *cdev,
unsigned long upper, unsigned long lower,
unsigned int weight)
@@ -635,15 +609,9 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
struct thermal_instance *pos;
struct thermal_zone_device *pos1;
struct thermal_cooling_device *pos2;
- const struct thermal_trip *trip;
bool upper_no_limit;
int result;
- if (trip_index >= tz->num_trips || trip_index < 0)
- return -EINVAL;
-
- trip = &tz->trips[trip_index];
-
list_for_each_entry(pos1, &thermal_tz_list, node) {
if (pos1 == tz)
break;
@@ -742,14 +710,26 @@ free_mem:
kfree(dev);
return result;
}
+EXPORT_SYMBOL_GPL(thermal_bind_cdev_to_trip);
+
+int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
+ int trip_index,
+ struct thermal_cooling_device *cdev,
+ unsigned long upper, unsigned long lower,
+ unsigned int weight)
+{
+ if (trip_index < 0 || trip_index >= tz->num_trips)
+ return -EINVAL;
+
+ return thermal_bind_cdev_to_trip(tz, &tz->trips[trip_index], cdev,
+ upper, lower, weight);
+}
EXPORT_SYMBOL_GPL(thermal_zone_bind_cooling_device);
/**
- * thermal_zone_unbind_cooling_device() - unbind a cooling device from a
- * thermal zone.
+ * thermal_unbind_cdev_from_trip - unbind a cooling device from a thermal zone.
* @tz: pointer to a struct thermal_zone_device.
- * @trip_index: indicates which trip point the cooling devices is
- * associated with in this thermal zone.
+ * @trip: trip point the cooling devices is associated with in this zone.
* @cdev: pointer to a struct thermal_cooling_device.
*
* This interface function unbind a thermal cooling device from the certain
@@ -758,16 +738,14 @@ EXPORT_SYMBOL_GPL(thermal_zone_bind_cooling_device);
*
* Return: 0 on success, the proper error value otherwise.
*/
-int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz,
- int trip_index,
- struct thermal_cooling_device *cdev)
+int thermal_unbind_cdev_from_trip(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip,
+ struct thermal_cooling_device *cdev)
{
struct thermal_instance *pos, *next;
- const struct thermal_trip *trip;
mutex_lock(&tz->lock);
mutex_lock(&cdev->lock);
- trip = &tz->trips[trip_index];
list_for_each_entry_safe(pos, next, &tz->thermal_instances, tz_node) {
if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) {
list_del(&pos->tz_node);
@@ -790,6 +768,17 @@ unbind:
kfree(pos);
return 0;
}
+EXPORT_SYMBOL_GPL(thermal_unbind_cdev_from_trip);
+
+int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz,
+ int trip_index,
+ struct thermal_cooling_device *cdev)
+{
+ if (trip_index < 0 || trip_index >= tz->num_trips)
+ return -EINVAL;
+
+ return thermal_unbind_cdev_from_trip(tz, &tz->trips[trip_index], cdev);
+}
EXPORT_SYMBOL_GPL(thermal_zone_unbind_cooling_device);
static void thermal_release(struct device *dev)
@@ -1238,7 +1227,6 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
struct thermal_zone_device *tz;
int id;
int result;
- int count;
struct thermal_governor *governor;
if (!type || strlen(type) == 0) {
@@ -1335,14 +1323,6 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
if (result)
goto release_device;
- for (count = 0; count < num_trips; count++) {
- struct thermal_trip trip;
-
- result = thermal_zone_get_trip(tz, count, &trip);
- if (result || !trip.temperature)
- set_bit(count, &tz->trips_disabled);
- }
-
/* Update 'this' zone's governor information */
mutex_lock(&thermal_governor_lock);
@@ -1532,17 +1512,35 @@ static int thermal_pm_notify(struct notifier_block *nb,
case PM_HIBERNATION_PREPARE:
case PM_RESTORE_PREPARE:
case PM_SUSPEND_PREPARE:
- atomic_set(&in_suspend, 1);
+ mutex_lock(&thermal_list_lock);
+
+ list_for_each_entry(tz, &thermal_tz_list, node) {
+ mutex_lock(&tz->lock);
+
+ tz->suspended = true;
+
+ mutex_unlock(&tz->lock);
+ }
+
+ mutex_unlock(&thermal_list_lock);
break;
case PM_POST_HIBERNATION:
case PM_POST_RESTORE:
case PM_POST_SUSPEND:
- atomic_set(&in_suspend, 0);
+ mutex_lock(&thermal_list_lock);
+
list_for_each_entry(tz, &thermal_tz_list, node) {
+ mutex_lock(&tz->lock);
+
+ tz->suspended = false;
+
thermal_zone_device_init(tz);
- thermal_zone_device_update(tz,
- THERMAL_EVENT_UNSPECIFIED);
+ __thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
+
+ mutex_unlock(&tz->lock);
}
+
+ mutex_unlock(&thermal_list_lock);
break;
default:
break;
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 024e82ebf5..0a3b3ec512 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -70,7 +70,7 @@ static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
void thermal_cdev_update(struct thermal_cooling_device *);
void __thermal_cdev_update(struct thermal_cooling_device *cdev);
-int get_tz_trend(struct thermal_zone_device *tz, int trip_index);
+int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip);
struct thermal_instance *
get_thermal_instance(struct thermal_zone_device *tz,
@@ -116,6 +116,9 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz,
enum thermal_notify_event event);
/* Helpers */
+#define for_each_trip(__tz, __trip) \
+ for (__trip = __tz->trips; __trip - __tz->trips < __tz->num_trips; __trip++)
+
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);
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index c1d0af73c8..69e8ea4aa9 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -22,9 +22,8 @@
#include "thermal_core.h"
#include "thermal_trace.h"
-int get_tz_trend(struct thermal_zone_device *tz, int trip_index)
+int get_tz_trend(struct thermal_zone_device *tz, const struct thermal_trip *trip)
{
- struct thermal_trip *trip = tz->trips ? &tz->trips[trip_index] : NULL;
enum thermal_trend trend;
if (tz->emul_temperature || !tz->ops->get_trend ||
diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c
index afc9499128..e42456442c 100644
--- a/drivers/thermal/thermal_trip.c
+++ b/drivers/thermal/thermal_trip.c
@@ -13,12 +13,11 @@ int for_each_thermal_trip(struct thermal_zone_device *tz,
int (*cb)(struct thermal_trip *, void *),
void *data)
{
- int i, ret;
-
- lockdep_assert_held(&tz->lock);
+ struct thermal_trip *trip;
+ int ret;
- for (i = 0; i < tz->num_trips; i++) {
- ret = cb(&tz->trips[i], data);
+ for_each_trip(tz, trip) {
+ ret = cb(trip, data);
if (ret)
return ret;
}
@@ -27,6 +26,20 @@ int for_each_thermal_trip(struct thermal_zone_device *tz,
}
EXPORT_SYMBOL_GPL(for_each_thermal_trip);
+int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
+ int (*cb)(struct thermal_trip *, void *),
+ void *data)
+{
+ int ret;
+
+ mutex_lock(&tz->lock);
+ ret = for_each_thermal_trip(tz, cb, data);
+ mutex_unlock(&tz->lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(thermal_zone_for_each_trip);
+
int thermal_zone_get_num_trips(struct thermal_zone_device *tz)
{
return tz->num_trips;
@@ -176,12 +189,9 @@ int thermal_zone_set_trip(struct thermal_zone_device *tz, int trip_id,
int thermal_zone_trip_id(struct thermal_zone_device *tz,
const struct thermal_trip *trip)
{
- int i;
-
- for (i = 0; i < tz->num_trips; i++) {
- if (&tz->trips[i] == trip)
- return i;
- }
-
- return -ENODATA;
+ /*
+ * Assume the trip to be located within the bounds of the thermal
+ * zone's trips[] table.
+ */
+ return trip - tz->trips;
}
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
index 0c2eb9c6e5..caadfc61be 100644
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
@@ -1069,7 +1069,7 @@ free_irqs:
}
static
-int ti_bandgap_remove(struct platform_device *pdev)
+void ti_bandgap_remove(struct platform_device *pdev)
{
struct ti_bandgap *bgp = platform_get_drvdata(pdev);
int i;
@@ -1098,8 +1098,6 @@ int ti_bandgap_remove(struct platform_device *pdev)
if (TI_BANDGAP_HAS(bgp, TSHUT))
free_irq(gpiod_to_irq(bgp->tshut_gpiod), NULL);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -1283,7 +1281,7 @@ MODULE_DEVICE_TABLE(of, of_ti_bandgap_match);
static struct platform_driver ti_bandgap_sensor_driver = {
.probe = ti_bandgap_probe,
- .remove = ti_bandgap_remove,
+ .remove_new = ti_bandgap_remove,
.driver = {
.name = "ti-soc-thermal",
.pm = DEV_PM_OPS,
diff --git a/drivers/thermal/uniphier_thermal.c b/drivers/thermal/uniphier_thermal.c
index 6f32ab61d1..274f36358b 100644
--- a/drivers/thermal/uniphier_thermal.c
+++ b/drivers/thermal/uniphier_thermal.c
@@ -317,14 +317,12 @@ static int uniphier_tm_probe(struct platform_device *pdev)
return 0;
}
-static int uniphier_tm_remove(struct platform_device *pdev)
+static void uniphier_tm_remove(struct platform_device *pdev)
{
struct uniphier_tm_dev *tdev = platform_get_drvdata(pdev);
/* disable sensor */
uniphier_tm_disable_sensor(tdev);
-
- return 0;
}
static const struct uniphier_tm_soc_data uniphier_pxs2_tm_data = {
@@ -362,7 +360,7 @@ MODULE_DEVICE_TABLE(of, uniphier_tm_dt_ids);
static struct platform_driver uniphier_tm_driver = {
.probe = uniphier_tm_probe,
- .remove = uniphier_tm_remove,
+ .remove_new = uniphier_tm_remove,
.driver = {
.name = "uniphier-thermal",
.of_match_table = uniphier_tm_dt_ids,