| Message ID | 1427385240-6086-10-git-send-email-s.hauer@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Mar 26, 2015 at 04:53:56PM +0100, Sascha Hauer wrote: > Now that the thermal core treats -ENOSYS like the callbacks were > not present at all we no longer have to overwrite the ops during > runtime but instead can always set them and return -ENOSYS if no > sensor is registered. > > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> > --- > drivers/thermal/of-thermal.c | 18 +++++++++++------- > 1 file changed, 11 insertions(+), 7 deletions(-) > > diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c > index b39e22f..df14fdd 100644 > --- a/drivers/thermal/of-thermal.c > +++ b/drivers/thermal/of-thermal.c > @@ -91,7 +91,7 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz, > { > struct __thermal_zone *data = tz->devdata; > > - if (!data->ops->get_temp) > + if (!data->ops) > return -EINVAL; > > return data->ops->get_temp(data->sensor_data, temp); > @@ -178,7 +178,7 @@ static int of_thermal_set_emul_temp(struct thermal_zone_device *tz, > struct __thermal_zone *data = tz->devdata; > > if (!data->ops || !data->ops->set_emul_temp) > - return -EINVAL; > + return -ENOSYS; > > return data->ops->set_emul_temp(data->sensor_data, temp); > } > @@ -189,8 +189,8 @@ static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, > struct __thermal_zone *data = tz->devdata; > int r; > > - if (!data->ops->get_trend) > - return -EINVAL; > + if (!data->ops || !data->ops->get_trend) > + return -ENOSYS; > > r = data->ops->get_trend(data->sensor_data, trip, trend); > if (r) > @@ -366,6 +366,10 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz, > } > > static struct thermal_zone_device_ops of_thermal_ops = { > + .get_temp = of_thermal_get_temp, > + .get_trend = of_thermal_get_trend, > + .set_emul_temp = of_thermal_set_emul_temp, > + > .get_mode = of_thermal_get_mode, > .set_mode = of_thermal_set_mode, > > @@ -399,13 +403,13 @@ thermal_zone_of_add_sensor(struct device_node *zone, > if (!ops) > return ERR_PTR(-EINVAL); > > + if (!ops->get_temp) > + return ERR_PTR(-EINVAL); > + > mutex_lock(&tzd->lock); > tz->ops = ops; > 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; You may want to update the thermal_zone_of_sensor_unregister too. > mutex_unlock(&tzd->lock); > > return tzd; > -- > 2.1.4 >
On Mon, Apr 06, 2015 at 08:25:23PM -0700, Eduardo Valentin wrote: > On Thu, Mar 26, 2015 at 04:53:56PM +0100, Sascha Hauer wrote: > > Now that the thermal core treats -ENOSYS like the callbacks were > > not present at all we no longer have to overwrite the ops during > > runtime but instead can always set them and return -ENOSYS if no > > sensor is registered. > > > > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> > > --- > > drivers/thermal/of-thermal.c | 18 +++++++++++------- > > 1 file changed, 11 insertions(+), 7 deletions(-) > > > > diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c > > index b39e22f..df14fdd 100644 > > --- a/drivers/thermal/of-thermal.c > > +++ b/drivers/thermal/of-thermal.c > > @@ -91,7 +91,7 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz, > > { > > struct __thermal_zone *data = tz->devdata; > > > > - if (!data->ops->get_temp) > > + if (!data->ops) > > return -EINVAL; > > > > return data->ops->get_temp(data->sensor_data, temp); > > @@ -178,7 +178,7 @@ static int of_thermal_set_emul_temp(struct thermal_zone_device *tz, > > struct __thermal_zone *data = tz->devdata; > > > > if (!data->ops || !data->ops->set_emul_temp) > > - return -EINVAL; > > + return -ENOSYS; > > > > return data->ops->set_emul_temp(data->sensor_data, temp); > > } > > @@ -189,8 +189,8 @@ static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, > > struct __thermal_zone *data = tz->devdata; > > int r; > > > > - if (!data->ops->get_trend) > > - return -EINVAL; > > + if (!data->ops || !data->ops->get_trend) > > + return -ENOSYS; > > > > r = data->ops->get_trend(data->sensor_data, trip, trend); > > if (r) > > @@ -366,6 +366,10 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz, > > } > > > > static struct thermal_zone_device_ops of_thermal_ops = { > > + .get_temp = of_thermal_get_temp, > > + .get_trend = of_thermal_get_trend, > > + .set_emul_temp = of_thermal_set_emul_temp, > > + > > .get_mode = of_thermal_get_mode, > > .set_mode = of_thermal_set_mode, > > > > @@ -399,13 +403,13 @@ thermal_zone_of_add_sensor(struct device_node *zone, > > if (!ops) > > return ERR_PTR(-EINVAL); > > > > + if (!ops->get_temp) > > + return ERR_PTR(-EINVAL); > > + > > mutex_lock(&tzd->lock); > > tz->ops = ops; > > 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; > > You may want to update the thermal_zone_of_sensor_unregister too. Ups, indeed. That hunk accidently went into a later patch. Sascha
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index b39e22f..df14fdd 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -91,7 +91,7 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz, { struct __thermal_zone *data = tz->devdata; - if (!data->ops->get_temp) + if (!data->ops) return -EINVAL; return data->ops->get_temp(data->sensor_data, temp); @@ -178,7 +178,7 @@ static int of_thermal_set_emul_temp(struct thermal_zone_device *tz, struct __thermal_zone *data = tz->devdata; if (!data->ops || !data->ops->set_emul_temp) - return -EINVAL; + return -ENOSYS; return data->ops->set_emul_temp(data->sensor_data, temp); } @@ -189,8 +189,8 @@ static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, struct __thermal_zone *data = tz->devdata; int r; - if (!data->ops->get_trend) - return -EINVAL; + if (!data->ops || !data->ops->get_trend) + return -ENOSYS; r = data->ops->get_trend(data->sensor_data, trip, trend); if (r) @@ -366,6 +366,10 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz, } static struct thermal_zone_device_ops of_thermal_ops = { + .get_temp = of_thermal_get_temp, + .get_trend = of_thermal_get_trend, + .set_emul_temp = of_thermal_set_emul_temp, + .get_mode = of_thermal_get_mode, .set_mode = of_thermal_set_mode, @@ -399,13 +403,13 @@ thermal_zone_of_add_sensor(struct device_node *zone, if (!ops) return ERR_PTR(-EINVAL); + if (!ops->get_temp) + return ERR_PTR(-EINVAL); + mutex_lock(&tzd->lock); tz->ops = ops; 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;
Now that the thermal core treats -ENOSYS like the callbacks were not present at all we no longer have to overwrite the ops during runtime but instead can always set them and return -ENOSYS if no sensor is registered. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- drivers/thermal/of-thermal.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-)