[PATCH v2 2/9] thermal: thermal: Export OF trip helper function

[Francesco Dolcini <francesco.dolcini@toradex.com>]

Export function that populate thermal trip struct from a of node to be
able to re-use it in thermal drivers different from thermal_of.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
v2: fix build error, use EOPNOTSUPP
---
 drivers/thermal/thermal_core.h | 7 +++++++
 drivers/thermal/thermal_of.c   | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 726e327b4205..7d429d299d82 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -155,6 +155,8 @@ int of_thermal_get_ntrips(struct thermal_zone_device *);
 bool of_thermal_is_trip_valid(struct thermal_zone_device *, int);
 const struct thermal_trip *
 of_thermal_get_trip_points(struct thermal_zone_device *);
+int thermal_of_populate_trip(struct device_node *np,
+			     struct thermal_trip *trip);
 #else
 static inline int of_parse_thermal_zones(void) { return 0; }
 static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz)
@@ -171,6 +173,11 @@ of_thermal_get_trip_points(struct thermal_zone_device *tz)
 {
 	return NULL;
 }
+static inline int thermal_of_populate_trip(struct device_node *np,
+					   struct thermal_trip *trip)
+{
+	return -EOPNOTSUPP;
+}
 #endif
 
 int thermal_zone_device_is_enabled(struct thermal_zone_device *tz);
diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
index b65d435cb92f..dcd6571a3871 100644
--- a/drivers/thermal/thermal_of.c
+++ b/drivers/thermal/thermal_of.c
@@ -817,8 +817,8 @@ static int thermal_of_get_trip_type(struct device_node *np,
  *
  * Return: 0 on success, proper error code otherwise
  */
-static int thermal_of_populate_trip(struct device_node *np,
-				    struct thermal_trip *trip)
+int thermal_of_populate_trip(struct device_node *np,
+			     struct thermal_trip *trip)
 {
 	int prop;
 	int ret;
@@ -849,6 +849,7 @@ static int thermal_of_populate_trip(struct device_node *np,
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(thermal_of_populate_trip);
 
 /**
  * thermal_of_build_thermal_zone - parse and fill one thermal zone data
-- 
2.25.1