Messages in this thread | | | From | Amit Kucheria <> | Date | Tue, 30 Jun 2020 17:24:31 +0530 | Subject | Re: [PATCH v2 2/5] thermal: core: Get thermal zone by id |
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On Thu, Jun 25, 2020 at 8:15 PM Daniel Lezcano <daniel.lezcano@linaro.org> 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>
> --- > 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 e2f8d2550ecd..58c95aeafb7f 100644 > --- a/drivers/thermal/thermal_core.c > +++ b/drivers/thermal/thermal_core.c > @@ -662,6 +662,20 @@ 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 bb8f8aee79eb..7e8f45db6bbf 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]; > -- > 2.17.1 >
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