This patch retrieves the platform level data for
a zone during its registration. It is not an error
to not have any platform data.
Signed-off-by: Durgadoss R <durgadoss.r@xxxxxxxxx>
---
drivers/thermal/thermal_sys.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 92a187c..6adda39 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -1339,6 +1339,22 @@ static void remove_trip_attrs(struct thermal_zone_device *tz)
kfree(tz->trip_hyst_attrs);
}
+static int retrieve_zone_params(struct thermal_zone_device *tz)
+{
+ int ret;
+
+ /* Check whether the platform data pointer is defined */
+ if (!get_platform_thermal_params)
+ return 0;
+
+ /* It is not an error to not have any platform data */
+ ret = get_platform_thermal_params(tz);
+ if (ret)
+ tz->tzp = NULL;
+
+ return 0;
+}
+
/**
* thermal_zone_device_register - register a new thermal zone device
* @type: the thermal zone device type
@@ -1443,6 +1459,11 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
if (result)
goto unregister;
+ /* Retrieve platform level parameters for this zone */
+ result = retrieve_zone_params(tz);
+ if (result)
+ goto unregister;
+
mutex_lock(&thermal_list_lock);
list_add_tail(&tz->node, &thermal_tz_list);
if (ops->bind)
--
1.7.9.5
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