Messages in this thread | | | Subject | Re: [PATCH v4 2/4] thermal: core: Get thermal zone by id | From | Zhang Rui <> | Date | Tue, 07 Jul 2020 09:53:26 +0800 |
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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];
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