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 | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index f043cd6..243a3f0 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -142,6 +142,22 @@ struct thermal_instance *get_thermal_instance(struct thermal_zone_device *tz,
}
EXPORT_SYMBOL(get_thermal_instance);
+static void retrieve_zone_params(struct thermal_zone_device *tz)
+{
+ int ret;
+
+ /* Check whether the platform data pointer is defined */
+ if (!get_platform_thermal_params)
+ return;
+
+ ret = get_platform_thermal_params(tz);
+ if (ret) {
+ dev_err(&tz->device,
+ "parameters for zone %s not defined:%d\n", tz->type, ret);
+ tz->tzp = NULL;
+ }
+}
+
/* sys I/F for thermal zone */
#define to_thermal_zone(_dev) \
@@ -1460,6 +1476,9 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type,
if (result)
goto unregister;
+ /* Retrieve platform level parameters for this zone */
+ retrieve_zone_params(tz);
+
mutex_lock(&thermal_list_lock);
list_add_tail(&tz->node, &thermal_tz_list);
if (ops->bind)
--
1.7.9.5
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