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path: root/drivers/thermal/tegra
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-rw-r--r--drivers/thermal/tegra/soctherm.c58
-rw-r--r--drivers/thermal/tegra/tegra-bpmp-thermal.c2
-rw-r--r--drivers/thermal/tegra/tegra30-tsensor.c57
3 files changed, 59 insertions, 58 deletions
diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c
index e7fe8683bfc5..2c5ddf0db40c 100644
--- a/drivers/thermal/tegra/soctherm.c
+++ b/drivers/thermal/tegra/soctherm.c
@@ -582,23 +582,18 @@ static int tsensor_group_thermtrip_get(struct tegra_soctherm *ts, int id)
return temp;
}
-static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip_id, int temp)
+static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip, int temp)
{
struct tegra_thermctl_zone *zone = thermal_zone_device_priv(tz);
struct tegra_soctherm *ts = zone->ts;
- struct thermal_trip trip;
const struct tegra_tsensor_group *sg = zone->sg;
struct device *dev = zone->dev;
- int ret;
if (!tz)
return -EINVAL;
- ret = __thermal_zone_get_trip(tz, trip_id, &trip);
- if (ret)
- return ret;
-
- if (trip.type == THERMAL_TRIP_CRITICAL) {
+ if (trip->type == THERMAL_TRIP_CRITICAL) {
/*
* If thermtrips property is set in DT,
* doesn't need to program critical type trip to HW,
@@ -609,7 +604,7 @@ static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip
else
return 0;
- } else if (trip.type == THERMAL_TRIP_HOT) {
+ } else if (trip->type == THERMAL_TRIP_HOT) {
int i;
for (i = 0; i < THROTTLE_SIZE; i++) {
@@ -620,7 +615,7 @@ static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip
continue;
cdev = ts->throt_cfgs[i].cdev;
- if (get_thermal_instance(tz, cdev, trip_id))
+ if (thermal_trip_is_bound_to_cdev(tz, trip, cdev))
stc = find_throttle_cfg_by_name(ts, cdev->type);
else
continue;
@@ -687,24 +682,25 @@ static const struct thermal_zone_device_ops tegra_of_thermal_ops = {
.set_trips = tegra_thermctl_set_trips,
};
-static int get_hot_temp(struct thermal_zone_device *tz, int *trip_id, int *temp)
+static int get_hot_trip_cb(struct thermal_trip *trip, void *arg)
{
- int i, ret;
- struct thermal_trip trip;
+ const struct thermal_trip **trip_ret = arg;
- for (i = 0; i < thermal_zone_get_num_trips(tz); i++) {
+ if (trip->type != THERMAL_TRIP_HOT)
+ return 0;
- ret = thermal_zone_get_trip(tz, i, &trip);
- if (ret)
- return -EINVAL;
+ *trip_ret = trip;
+ /* Return nonzero to terminate the search. */
+ return 1;
+}
- if (trip.type == THERMAL_TRIP_HOT) {
- *trip_id = i;
- return 0;
- }
- }
+static const struct thermal_trip *get_hot_trip(struct thermal_zone_device *tz)
+{
+ const struct thermal_trip *trip = NULL;
- return -EINVAL;
+ thermal_zone_for_each_trip(tz, get_hot_trip_cb, &trip);
+
+ return trip;
}
/**
@@ -736,8 +732,9 @@ static int tegra_soctherm_set_hwtrips(struct device *dev,
struct thermal_zone_device *tz)
{
struct tegra_soctherm *ts = dev_get_drvdata(dev);
+ const struct thermal_trip *hot_trip;
struct soctherm_throt_cfg *stc;
- int i, trip, temperature, ret;
+ int i, temperature, ret;
/* Get thermtrips. If missing, try to get critical trips. */
temperature = tsensor_group_thermtrip_get(ts, sg->id);
@@ -754,8 +751,8 @@ static int tegra_soctherm_set_hwtrips(struct device *dev,
dev_info(dev, "thermtrip: will shut down when %s reaches %d mC\n",
sg->name, temperature);
- ret = get_hot_temp(tz, &trip, &temperature);
- if (ret) {
+ hot_trip = get_hot_trip(tz);
+ if (!hot_trip) {
dev_info(dev, "throttrip: %s: missing hot temperature\n",
sg->name);
return 0;
@@ -768,7 +765,7 @@ static int tegra_soctherm_set_hwtrips(struct device *dev,
continue;
cdev = ts->throt_cfgs[i].cdev;
- if (get_thermal_instance(tz, cdev, trip))
+ if (thermal_trip_is_bound_to_cdev(tz, hot_trip, cdev))
stc = find_throttle_cfg_by_name(ts, cdev->type);
else
continue;
@@ -1654,7 +1651,7 @@ static void soctherm_init_hw_throt_cdev(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct tegra_soctherm *ts = dev_get_drvdata(dev);
- struct device_node *np_stc, *np_stcc;
+ struct device_node *np_stc;
const char *name;
int i;
@@ -1671,7 +1668,7 @@ static void soctherm_init_hw_throt_cdev(struct platform_device *pdev)
return;
}
- for_each_child_of_node(np_stc, np_stcc) {
+ for_each_child_of_node_scoped(np_stc, np_stcc) {
struct soctherm_throt_cfg *stc;
struct thermal_cooling_device *tcd;
int err;
@@ -1686,7 +1683,6 @@ static void soctherm_init_hw_throt_cdev(struct platform_device *pdev)
if (stc->init) {
dev_err(dev, "throttle-cfg: %s: redefined!\n", name);
- of_node_put(np_stcc);
break;
}
@@ -2272,7 +2268,7 @@ static SIMPLE_DEV_PM_OPS(tegra_soctherm_pm, soctherm_suspend, soctherm_resume);
static struct platform_driver tegra_soctherm_driver = {
.probe = tegra_soctherm_probe,
- .remove_new = tegra_soctherm_remove,
+ .remove = 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 72ce14c980cd..997d77ce30d9 100644
--- a/drivers/thermal/tegra/tegra-bpmp-thermal.c
+++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c
@@ -315,7 +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_new = tegra_bpmp_thermal_remove,
+ .remove = tegra_bpmp_thermal_remove,
.driver = {
.name = "tegra-bpmp-thermal",
.of_match_table = tegra_bpmp_thermal_of_match,
diff --git a/drivers/thermal/tegra/tegra30-tsensor.c b/drivers/thermal/tegra/tegra30-tsensor.c
index d911fa60f100..6245f6b97f43 100644
--- a/drivers/thermal/tegra/tegra30-tsensor.c
+++ b/drivers/thermal/tegra/tegra30-tsensor.c
@@ -303,33 +303,37 @@ stop_channel:
return 0;
}
-static void tegra_tsensor_get_hw_channel_trips(struct thermal_zone_device *tzd,
- int *hot_trip, int *crit_trip)
+struct trip_temps {
+ int hot_trip;
+ int crit_trip;
+};
+
+static int tegra_tsensor_get_trips_cb(struct thermal_trip *trip, void *arg)
{
- unsigned int i;
+ struct trip_temps *temps = arg;
+
+ if (trip->type == THERMAL_TRIP_HOT)
+ temps->hot_trip = trip->temperature;
+ else if (trip->type == THERMAL_TRIP_CRITICAL)
+ temps->crit_trip = trip->temperature;
+
+ return 0;
+}
+static void tegra_tsensor_get_hw_channel_trips(struct thermal_zone_device *tzd,
+ struct trip_temps *temps)
+{
/*
* 90C is the maximal critical temperature of all Tegra30 SoC variants,
* use it for the default trip if unspecified in a device-tree.
*/
- *hot_trip = 85000;
- *crit_trip = 90000;
-
- for (i = 0; i < thermal_zone_get_num_trips(tzd); i++) {
-
- struct thermal_trip trip;
+ temps->hot_trip = 85000;
+ temps->crit_trip = 90000;
- thermal_zone_get_trip(tzd, i, &trip);
-
- if (trip.type == THERMAL_TRIP_HOT)
- *hot_trip = trip.temperature;
-
- if (trip.type == THERMAL_TRIP_CRITICAL)
- *crit_trip = trip.temperature;
- }
+ thermal_zone_for_each_trip(tzd, tegra_tsensor_get_trips_cb, temps);
/* clamp hardware trips to the calibration limits */
- *hot_trip = clamp(*hot_trip, 25000, 90000);
+ temps->hot_trip = clamp(temps->hot_trip, 25000, 90000);
/*
* Kernel will perform a normal system shut down if it will
@@ -338,7 +342,7 @@ static void tegra_tsensor_get_hw_channel_trips(struct thermal_zone_device *tzd,
* shut down gracefully before sending signal to the Power
* Management controller.
*/
- *crit_trip = clamp(*crit_trip + 5000, 25000, 90000);
+ temps->crit_trip = clamp(temps->crit_trip + 5000, 25000, 90000);
}
static int tegra_tsensor_enable_hw_channel(const struct tegra_tsensor *ts,
@@ -346,7 +350,8 @@ static int tegra_tsensor_enable_hw_channel(const struct tegra_tsensor *ts,
{
const struct tegra_tsensor_channel *tsc = &ts->ch[id];
struct thermal_zone_device *tzd = tsc->tzd;
- int err, hot_trip = 0, crit_trip = 0;
+ struct trip_temps temps = { 0 };
+ int err;
u32 val;
if (!tzd) {
@@ -357,24 +362,24 @@ static int tegra_tsensor_enable_hw_channel(const struct tegra_tsensor *ts,
return 0;
}
- tegra_tsensor_get_hw_channel_trips(tzd, &hot_trip, &crit_trip);
+ tegra_tsensor_get_hw_channel_trips(tzd, &temps);
dev_info_once(ts->dev, "ch%u: PMC emergency shutdown trip set to %dC\n",
- id, DIV_ROUND_CLOSEST(crit_trip, 1000));
+ id, DIV_ROUND_CLOSEST(temps.crit_trip, 1000));
- hot_trip = tegra_tsensor_temp_to_counter(ts, hot_trip);
- crit_trip = tegra_tsensor_temp_to_counter(ts, crit_trip);
+ temps.hot_trip = tegra_tsensor_temp_to_counter(ts, temps.hot_trip);
+ temps.crit_trip = tegra_tsensor_temp_to_counter(ts, temps.crit_trip);
/* program LEVEL2 counter threshold */
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG1);
val &= ~TSENSOR_SENSOR0_CONFIG1_TH2;
- val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG1_TH2, hot_trip);
+ val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG1_TH2, temps.hot_trip);
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG1);
/* program LEVEL3 counter threshold */
val = readl_relaxed(tsc->regs + TSENSOR_SENSOR0_CONFIG2);
val &= ~TSENSOR_SENSOR0_CONFIG2_TH3;
- val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG2_TH3, crit_trip);
+ val |= FIELD_PREP(TSENSOR_SENSOR0_CONFIG2_TH3, temps.crit_trip);
writel_relaxed(val, tsc->regs + TSENSOR_SENSOR0_CONFIG2);
/*