summaryrefslogtreecommitdiff
path: root/drivers/thermal
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/cpufreq_cooling.c2
-rw-r--r--drivers/thermal/devfreq_cooling.c8
-rw-r--r--drivers/thermal/thermal_hwmon.c6
3 files changed, 10 insertions, 6 deletions
diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
index 0bfb8eebd126..b8151d95a806 100644
--- a/drivers/thermal/cpufreq_cooling.c
+++ b/drivers/thermal/cpufreq_cooling.c
@@ -328,7 +328,7 @@ static inline bool em_is_sane(struct cpufreq_cooling_device *cpufreq_cdev,
struct cpufreq_policy *policy;
unsigned int nr_levels;
- if (!em)
+ if (!em || em_is_artificial(em))
return false;
policy = cpufreq_cdev->policy;
diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index d38a80adec73..8c76f9655e57 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -358,6 +358,7 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
struct thermal_cooling_device *cdev;
struct device *dev = df->dev.parent;
struct devfreq_cooling_device *dfc;
+ struct em_perf_domain *em;
struct thermal_cooling_device_ops *ops;
char *name;
int err, num_opps;
@@ -374,8 +375,9 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
dfc->devfreq = df;
- dfc->em_pd = em_pd_get(dev);
- if (dfc->em_pd) {
+ em = em_pd_get(dev);
+ if (em && !em_is_artificial(em)) {
+ dfc->em_pd = em;
ops->get_requested_power =
devfreq_cooling_get_requested_power;
ops->state2power = devfreq_cooling_state2power;
@@ -386,7 +388,7 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
num_opps = em_pd_nr_perf_states(dfc->em_pd);
} else {
/* Backward compatibility for drivers which do not use IPA */
- dev_dbg(dev, "missing EM for cooling device\n");
+ dev_dbg(dev, "missing proper EM for cooling device\n");
num_opps = dev_pm_opp_get_opp_count(dev);
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index ad03262cca56..09e49ec8b6f4 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -149,8 +149,8 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
INIT_LIST_HEAD(&hwmon->tz_list);
strlcpy(hwmon->type, tz->type, THERMAL_NAME_LENGTH);
strreplace(hwmon->type, '-', '_');
- hwmon->device = hwmon_device_register_with_info(&tz->device, hwmon->type,
- hwmon, NULL, NULL);
+ hwmon->device = hwmon_device_register_for_thermal(&tz->device,
+ hwmon->type, hwmon);
if (IS_ERR(hwmon->device)) {
result = PTR_ERR(hwmon->device);
goto free_mem;
@@ -277,3 +277,5 @@ int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
return ret;
}
EXPORT_SYMBOL_GPL(devm_thermal_add_hwmon_sysfs);
+
+MODULE_IMPORT_NS(HWMON_THERMAL);