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| author | Anson Huang <Anson.Huang@nxp.com> | 2020-02-22 08:08:49 +0800 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-03-12 11:40:57 +0100 |
| commit | 34471abfc8fedcebf7c45a5e37ef383b8bb16de3 (patch) | |
| tree | 7f83aabd1fa4ebbe3e672c8996d25614b959932d /include/linux/thermal.h | |
| parent | 7dc6ffbd79c22b3a8433290a692c57e1917575a4 (diff) | |
| download | lwn-34471abfc8fedcebf7c45a5e37ef383b8bb16de3.tar.gz lwn-34471abfc8fedcebf7c45a5e37ef383b8bb16de3.zip | |
thermal: of-thermal: add API for getting sensor ID from DT
This patch adds new API thermal_zone_of_get_sensor_id() to
provide the feature of getting sensor ID from DT thermal
zone's node. It's useful for thermal driver to register the
specific thermal zone devices from DT in a common way.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1582330132-13461-2-git-send-email-Anson.Huang@nxp.com
Diffstat (limited to 'include/linux/thermal.h')
| -rw-r--r-- | include/linux/thermal.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 126913c6a53b..53e6f677761f 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -364,6 +364,9 @@ struct thermal_trip { /* Function declarations */ #ifdef CONFIG_THERMAL_OF +int thermal_zone_of_get_sensor_id(struct device_node *tz_np, + struct device_node *sensor_np, + u32 *id); struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, const struct thermal_zone_of_device_ops *ops); @@ -375,6 +378,13 @@ struct thermal_zone_device *devm_thermal_zone_of_sensor_register( void devm_thermal_zone_of_sensor_unregister(struct device *dev, struct thermal_zone_device *tz); #else + +static int thermal_zone_of_get_sensor_id(struct device_node *tz_np, + struct device_node *sensor_np, + u32 *id) +{ + return -ENOENT; +} static inline struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, const struct thermal_zone_of_device_ops *ops) |