summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/thermal/imx_thermal.c1
-rw-r--r--drivers/thermal/thermal_core.c18
-rw-r--r--drivers/thermal/thermal_of.c4
-rw-r--r--drivers/thermal/thermal_trip.c2
-rw-r--r--include/linux/thermal.h10
5 files changed, 18 insertions, 17 deletions
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index 7019c4fdd549..499eff858f3f 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -354,6 +354,7 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip_id,
return -EINVAL;
imx_set_alarm_temp(data, temp);
+ trips[IMX_TRIP_PASSIVE].temperature = temp;
pm_runtime_put(data->dev);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index dfaa6341694a..8bdece8b1536 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1227,9 +1227,6 @@ int thermal_zone_get_crit_temp(struct thermal_zone_device *tz, int *temp)
if (tz->ops->get_crit_temp)
return tz->ops->get_crit_temp(tz, temp);
- if (!tz->trips)
- return -EINVAL;
-
mutex_lock(&tz->lock);
for (i = 0; i < tz->num_trips; i++) {
@@ -1272,10 +1269,13 @@ EXPORT_SYMBOL_GPL(thermal_zone_get_crit_temp);
* IS_ERR*() helpers.
*/
struct thermal_zone_device *
-thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *trips, int num_trips, int mask,
- void *devdata, struct thermal_zone_device_ops *ops,
- const struct thermal_zone_params *tzp, int passive_delay,
- int polling_delay)
+thermal_zone_device_register_with_trips(const char *type,
+ const struct thermal_trip *trips,
+ int num_trips, int mask,
+ void *devdata,
+ struct thermal_zone_device_ops *ops,
+ const struct thermal_zone_params *tzp,
+ int passive_delay, int polling_delay)
{
struct thermal_zone_device *tz;
int id;
@@ -1322,7 +1322,7 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
if (!thermal_class)
return ERR_PTR(-ENODEV);
- tz = kzalloc(sizeof(*tz), GFP_KERNEL);
+ tz = kzalloc(struct_size(tz, trips, num_trips), GFP_KERNEL);
if (!tz)
return ERR_PTR(-ENOMEM);
@@ -1354,7 +1354,7 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
tz->ops = ops;
tz->device.class = thermal_class;
tz->devdata = devdata;
- tz->trips = trips;
+ memcpy(tz->trips, trips, num_trips * sizeof(*trips));
tz->num_trips = num_trips;
thermal_set_delay_jiffies(&tz->passive_delay_jiffies, passive_delay);
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index 4d6c22e0ed85..20fa7d5ac536 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -438,12 +438,10 @@ static int thermal_of_unbind(struct thermal_zone_device *tz,
*/
static void thermal_of_zone_unregister(struct thermal_zone_device *tz)
{
- struct thermal_trip *trips = tz->trips;
struct thermal_zone_device_ops *ops = tz->ops;
thermal_zone_device_disable(tz);
thermal_zone_device_unregister(tz);
- kfree(trips);
kfree(ops);
}
@@ -526,6 +524,8 @@ static struct thermal_zone_device *thermal_of_zone_register(struct device_node *
goto out_kfree_trips;
}
+ kfree(trips);
+
ret = thermal_zone_device_enable(tz);
if (ret) {
pr_err("Failed to enabled thermal zone '%s', id=%d: %d\n",
diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c
index c875a26d5adf..a80ca78f8473 100644
--- a/drivers/thermal/thermal_trip.c
+++ b/drivers/thermal/thermal_trip.c
@@ -122,7 +122,7 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
struct thermal_trip *trip)
{
- if (!tz || !tz->trips || trip_id < 0 || trip_id >= tz->num_trips || !trip)
+ if (!tz || trip_id < 0 || trip_id >= tz->num_trips || !trip)
return -EINVAL;
*trip = tz->trips[trip_id];
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 65d8f92a9a0d..572a24f29a10 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -130,7 +130,6 @@ struct thermal_cooling_device {
* @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
* @mode: current mode of this thermal zone
* @devdata: private pointer for device private data
- * @trips: an array of struct thermal_trip
* @num_trips: number of trip points the thermal zone supports
* @passive_delay_jiffies: number of jiffies to wait between polls when
* performing passive cooling.
@@ -160,6 +159,7 @@ struct thermal_cooling_device {
* @poll_queue: delayed work for polling
* @notify_event: Last notification event
* @suspended: thermal zone suspend indicator
+ * @trips: array of struct thermal_trip objects
*/
struct thermal_zone_device {
int id;
@@ -172,7 +172,6 @@ struct thermal_zone_device {
struct thermal_attr *trip_hyst_attrs;
enum thermal_device_mode mode;
void *devdata;
- struct thermal_trip *trips;
int num_trips;
unsigned long passive_delay_jiffies;
unsigned long polling_delay_jiffies;
@@ -193,10 +192,11 @@ struct thermal_zone_device {
struct list_head node;
struct delayed_work poll_queue;
enum thermal_notify_event notify_event;
+ bool suspended;
#ifdef CONFIG_THERMAL_DEBUGFS
struct thermal_debugfs *debugfs;
#endif
- bool suspended;
+ struct thermal_trip trips[] __counted_by(num_trips);
};
/**
@@ -315,7 +315,7 @@ int thermal_zone_get_crit_temp(struct thermal_zone_device *tz, int *temp);
#ifdef CONFIG_THERMAL
struct thermal_zone_device *thermal_zone_device_register_with_trips(
const char *type,
- struct thermal_trip *trips,
+ const struct thermal_trip *trips,
int num_trips, int mask,
void *devdata,
struct thermal_zone_device_ops *ops,
@@ -375,7 +375,7 @@ void thermal_zone_device_critical(struct thermal_zone_device *tz);
#else
static inline struct thermal_zone_device *thermal_zone_device_register_with_trips(
const char *type,
- struct thermal_trip *trips,
+ const struct thermal_trip *trips,
int num_trips, int mask,
void *devdata,
struct thermal_zone_device_ops *ops,