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path: root/drivers/thermal/thermal_of.c
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Diffstat (limited to 'drivers/thermal/thermal_of.c')
-rw-r--r--drivers/thermal/thermal_of.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index a4caf7899f8e..07e09897165f 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -99,18 +99,15 @@ static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *n
struct device_node *trips;
int ret, count;
+ *ntrips = 0;
+
trips = of_get_child_by_name(np, "trips");
- if (!trips) {
- pr_err("Failed to find 'trips' node\n");
- return ERR_PTR(-EINVAL);
- }
+ if (!trips)
+ return NULL;
count = of_get_child_count(trips);
- if (!count) {
- pr_err("No trip point defined\n");
- ret = -EINVAL;
- goto out_of_node_put;
- }
+ if (!count)
+ return NULL;
tt = kzalloc(sizeof(*tt) * count, GFP_KERNEL);
if (!tt) {
@@ -133,7 +130,6 @@ static struct thermal_trip *thermal_of_trips_init(struct device_node *np, int *n
out_kfree:
kfree(tt);
- *ntrips = 0;
out_of_node_put:
of_node_put(trips);
@@ -401,11 +397,14 @@ static struct thermal_zone_device *thermal_of_zone_register(struct device_node *
trips = thermal_of_trips_init(np, &ntrips);
if (IS_ERR(trips)) {
- pr_err("Failed to find trip points for %pOFn id=%d\n", sensor, id);
+ pr_err("Failed to parse trip points for %pOFn id=%d\n", sensor, id);
ret = PTR_ERR(trips);
goto out_of_node_put;
}
+ if (!trips)
+ pr_info("No trip points found for %pOFn id=%d\n", sensor, id);
+
ret = thermal_of_monitor_init(np, &delay, &pdelay);
if (ret) {
pr_err("Failed to initialize monitoring delays from %pOFn\n", np);