| Message ID | 20200706105538.2159-2-daniel.lezcano@linaro.org |
|---|---|
| State | Accepted |
| Commit | 329b064fbd13d6526fdc35d4a220adedeadf0816 |
| Headers | show |
| Series | [v4,1/4] thermal: core: Add helpers to browse the cdev, tz and governor list | expand |
On Mon, 2020-07-06 at 12:55 +0200, Daniel Lezcano wrote: > The next patch will introduce the generic netlink protocol to handle > events, sampling and command from the thermal framework. In order to > deal with the thermal zone, it uses its unique identifier to > characterize it in the message. Passing an integer is more efficient > than passing an entire string. > > This change provides a function returning back a thermal zone pointer > corresponding to the identifier passed as parameter. > > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> > Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Acked-by: Zhang Rui <rui.zhang@intel.com> > --- > drivers/thermal/thermal_core.c | 14 ++++++++++++++ > drivers/thermal/thermal_core.h | 2 ++ > 2 files changed, 16 insertions(+) > > diff --git a/drivers/thermal/thermal_core.c > b/drivers/thermal/thermal_core.c > index 9caaa0b6d662..5fae1621fb01 100644 > --- a/drivers/thermal/thermal_core.c > +++ b/drivers/thermal/thermal_core.c > @@ -668,6 +668,20 @@ int for_each_thermal_zone(int (*cb)(struct > thermal_zone_device *, void *), > return ret; > } > > +struct thermal_zone_device *thermal_zone_get_by_id(int id) > +{ > + struct thermal_zone_device *tz = NULL; > + > + mutex_lock(&thermal_list_lock); > + list_for_each_entry(tz, &thermal_tz_list, node) { > + if (tz->id == id) > + break; > + } > + mutex_unlock(&thermal_list_lock); > + > + return tz; > +} > + > void thermal_zone_device_unbind_exception(struct thermal_zone_device > *tz, > const char *cdev_type, size_t > size) > { > diff --git a/drivers/thermal/thermal_core.h > b/drivers/thermal/thermal_core.h > index 71d88dac0791..4f8389efaa62 100644 > --- a/drivers/thermal/thermal_core.h > +++ b/drivers/thermal/thermal_core.h > @@ -50,6 +50,8 @@ int for_each_thermal_cooling_device(int > (*cb)(struct thermal_cooling_device *, > int for_each_thermal_governor(int (*cb)(struct thermal_governor *, > void *), > void *thermal_governor); > > +struct thermal_zone_device *thermal_zone_get_by_id(int id); > + > struct thermal_attr { > struct device_attribute attr; > char name[THERMAL_NAME_LENGTH];
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 9caaa0b6d662..5fae1621fb01 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -668,6 +668,20 @@ int for_each_thermal_zone(int (*cb)(struct thermal_zone_device *, void *), return ret; } +struct thermal_zone_device *thermal_zone_get_by_id(int id) +{ + struct thermal_zone_device *tz = NULL; + + mutex_lock(&thermal_list_lock); + list_for_each_entry(tz, &thermal_tz_list, node) { + if (tz->id == id) + break; + } + mutex_unlock(&thermal_list_lock); + + return tz; +} + void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz, const char *cdev_type, size_t size) { diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 71d88dac0791..4f8389efaa62 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -50,6 +50,8 @@ int for_each_thermal_cooling_device(int (*cb)(struct thermal_cooling_device *, int for_each_thermal_governor(int (*cb)(struct thermal_governor *, void *), void *thermal_governor); +struct thermal_zone_device *thermal_zone_get_by_id(int id); + struct thermal_attr { struct device_attribute attr; char name[THERMAL_NAME_LENGTH];