Before this change it was only possible to set get_temp() and get_trend() methods to be used in the common code handling passing parameters via device tree to "cpu-thermal" CPU thermal zone device.
Now it is possible to also set emulated value of temperature for debug purposes. Signed-off-by: Lukasz Majewski <[email protected]> --- drivers/thermal/of-thermal.c | 25 ++++++++++++++++++++++--- include/linux/thermal.h | 6 ++++-- 2 files changed, 26 insertions(+), 5 deletions(-) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index cd74e64..f206375 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -98,10 +98,22 @@ struct __thermal_zone { void *sensor_data; int (*get_temp)(void *, long *); int (*get_trend)(void *, long *); + int (*set_emul_temp)(void *, unsigned long); }; /*** DT thermal zone device callbacks ***/ +static int of_thermal_set_emul_temp(struct thermal_zone_device *tz, + unsigned long temp) +{ + struct __thermal_zone *data = tz->devdata; + + if (!data->set_emul_temp) + return -EINVAL; + + return data->set_emul_temp(data->sensor_data, temp); +} + static int of_thermal_get_temp(struct thermal_zone_device *tz, unsigned long *temp) { @@ -352,7 +364,8 @@ static struct thermal_zone_device * thermal_zone_of_add_sensor(struct device_node *zone, struct device_node *sensor, void *data, int (*get_temp)(void *, long *), - int (*get_trend)(void *, long *)) + int (*get_trend)(void *, long *), + int (*set_emul_temp)(void *, unsigned long)) { struct thermal_zone_device *tzd; struct __thermal_zone *tz; @@ -366,10 +379,12 @@ thermal_zone_of_add_sensor(struct device_node *zone, mutex_lock(&tzd->lock); tz->get_temp = get_temp; tz->get_trend = get_trend; + tz->set_emul_temp = set_emul_temp; tz->sensor_data = data; tzd->ops->get_temp = of_thermal_get_temp; tzd->ops->get_trend = of_thermal_get_trend; + tzd->ops->set_emul_temp = of_thermal_set_emul_temp; mutex_unlock(&tzd->lock); return tzd; @@ -411,7 +426,8 @@ thermal_zone_of_add_sensor(struct device_node *zone, struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int sensor_id, void *data, int (*get_temp)(void *, long *), - int (*get_trend)(void *, long *)) + int (*get_trend)(void *, long *), + int (*set_emul_temp)(void *, unsigned long)) { struct device_node *np, *child, *sensor_np; @@ -453,7 +469,8 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, return thermal_zone_of_add_sensor(child, sensor_np, data, get_temp, - get_trend); + get_trend, + set_emul_temp); } } of_node_put(np); @@ -494,9 +511,11 @@ void thermal_zone_of_sensor_unregister(struct device *dev, mutex_lock(&tzd->lock); tzd->ops->get_temp = NULL; tzd->ops->get_trend = NULL; + tzd->ops->set_emul_temp = NULL; tz->get_temp = NULL; tz->get_trend = NULL; + tz->set_emul_temp = NULL; tz->sensor_data = NULL; mutex_unlock(&tzd->lock); } diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 0305cde..36010e9 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -290,14 +290,16 @@ struct thermal_genl_event { struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, int (*get_temp)(void *, long *), - int (*get_trend)(void *, long *)); + int (*get_trend)(void *, long *), + int (*set_emul_temp)(void *, unsigned long)); void thermal_zone_of_sensor_unregister(struct device *dev, struct thermal_zone_device *tz); #else static inline struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, int (*get_temp)(void *, long *), - int (*get_trend)(void *, long *)) + int (*get_trend)(void *, long *), + int (*set_emul_temp)(void *, unsigned long)) { return NULL; } -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
