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path: root/drivers/thermal/thermal_core.c
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Diffstat (limited to 'drivers/thermal/thermal_core.c')
-rw-r--r--drivers/thermal/thermal_core.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index d755440791b7..1f02e8edb45c 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -33,6 +33,7 @@
#include <linux/idr.h>
#include <linux/thermal.h>
#include <linux/reboot.h>
+#include <linux/string.h>
#include <net/netlink.h>
#include <net/genetlink.h>
@@ -155,7 +156,8 @@ int get_tz_trend(struct thermal_zone_device *tz, int trip)
{
enum thermal_trend trend;
- if (!tz->ops->get_trend || tz->ops->get_trend(tz, trip, &trend)) {
+ if (tz->emul_temperature || !tz->ops->get_trend ||
+ tz->ops->get_trend(tz, trip, &trend)) {
if (tz->temperature > tz->last_temperature)
trend = THERMAL_TREND_RAISING;
else if (tz->temperature < tz->last_temperature)
@@ -713,10 +715,13 @@ policy_store(struct device *dev, struct device_attribute *attr,
int ret = -EINVAL;
struct thermal_zone_device *tz = to_thermal_zone(dev);
struct thermal_governor *gov;
+ char name[THERMAL_NAME_LENGTH];
+
+ snprintf(name, sizeof(name), "%s", buf);
mutex_lock(&thermal_governor_lock);
- gov = __find_governor(buf);
+ gov = __find_governor(strim(name));
if (!gov)
goto exit;
@@ -1624,7 +1629,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
if (!ops || !ops->get_temp)
return ERR_PTR(-EINVAL);
- if (trips > 0 && !ops->get_trip_type)
+ if (trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp))
return ERR_PTR(-EINVAL);
tz = kzalloc(sizeof(struct thermal_zone_device), GFP_KERNEL);