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SubjectRe: [PATCH v3 09/12] thermal/core: Register with the trip points
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On 7/3/22 19:30, Daniel Lezcano wrote:
> As we added the thermal trip points structure in the thermal zone,
> let's extend the thermal zone register function to have the thermal
> trip structures as a parameter and store it in the 'trips' field of
> the thermal zone structure.
>
> Cc: Alexandre Bailon <abailon@baylibre.com>
> Cc: Kevin Hilman <khilman@baylibre.com>
> Cc; Eduardo Valentin <eduval@amazon.com>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
> ---
> drivers/thermal/thermal_core.c | 22 +++++++++++++++++-----
> drivers/thermal/thermal_core.h | 4 ++--
> include/linux/thermal.h | 6 ++++++
> 3 files changed, 25 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index 434a675da245..e865c41d2320 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -1167,8 +1167,9 @@ static void thermal_set_delay_jiffies(unsigned long *delay_jiffies, int delay_ms
> }
>
> /**
> - * thermal_zone_device_register() - register a new thermal zone device
> + * thermal_zone_device_register_with_trips() - register a new thermal zone device
> * @type: the thermal zone device type
> + * @trips: a pointer to an array of thermal trips
> * @ntrips: the number of trip points the thermal zone support
> * @mask: a bit string indicating the writeablility of trip points
> * @devdata: private device data
> @@ -1191,10 +1192,10 @@ static void thermal_set_delay_jiffies(unsigned long *delay_jiffies, int delay_ms
> * IS_ERR*() helpers.
> */
> struct thermal_zone_device *
> -thermal_zone_device_register(const char *type, int ntrips, int mask,
> - void *devdata, struct thermal_zone_device_ops *ops,
> - struct thermal_zone_params *tzp, int passive_delay,
> - int polling_delay)
> +thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *trips, int ntrips, int mask,
> + void *devdata, struct thermal_zone_device_ops *ops,
> + struct thermal_zone_params *tzp, int passive_delay,
> + int polling_delay)
> {
> struct thermal_zone_device *tz;
> enum thermal_trip_type trip_type;
> @@ -1256,6 +1257,7 @@ thermal_zone_device_register(const char *type, int ntrips, int mask,
> tz->device.class = &thermal_class;
> tz->devdata = devdata;
> tz->ntrips = ntrips;
> + tz->trips = trips;
>
> thermal_set_delay_jiffies(&tz->passive_delay_jiffies, passive_delay);
> thermal_set_delay_jiffies(&tz->polling_delay_jiffies, polling_delay);
> @@ -1331,6 +1333,16 @@ thermal_zone_device_register(const char *type, int ntrips, int mask,
> kfree(tz);
> return ERR_PTR(result);
> }
> +
> +struct thermal_zone_device *thermal_zone_device_register(const char *type, int ntrips, int mask,
> + void *devdata, struct thermal_zone_device_ops *ops,
> + struct thermal_zone_params *tzp, int passive_delay,
> + int polling_delay)
> +{
> + return thermal_zone_device_register_with_trips(type, NULL, ntrips, mask,
> + devdata, ops, tzp,
> + passive_delay, polling_delay);
> +}
> EXPORT_SYMBOL_GPL(thermal_zone_device_register);
>
> /**
> diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
> index 84e341c1e0fc..bbe3ec26d12e 100644
> --- a/drivers/thermal/thermal_core.h
> +++ b/drivers/thermal/thermal_core.h
> @@ -113,12 +113,12 @@ int thermal_build_list_of_policies(char *buf);
> /* Helpers */
> void thermal_zone_set_trips(struct thermal_zone_device *tz);
>
> -static inline struct thermal_trip *thermal_zone_get_trips(struct thermal_zone *tz)
> +static inline struct thermal_trip *thermal_zone_get_trips(struct thermal_zone_device *tz)
> {
> return tz->trips;
> }
>
> -static inline int thermal_zone_get_ntrips(struct thermal_zone *tz)
> +static inline int thermal_zone_get_ntrips(struct thermal_zone_device *tz)
> {
> return tz->ntrips;
> }
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index 3733e23b6359..8cbe237a92d0 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -379,8 +379,14 @@ void devm_thermal_zone_of_sensor_unregister(struct device *dev,
> struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
> void *, struct thermal_zone_device_ops *,
> struct thermal_zone_params *, int, int);
> +
> void thermal_zone_device_unregister(struct thermal_zone_device *);
>
> +struct thermal_zone_device *
> +thermal_zone_device_register_with_trips(const char *, struct thermal_trip *, int, int,
> + void *, struct thermal_zone_device_ops *,
> + struct thermal_zone_params *, int, int);
> +
> int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
> struct thermal_cooling_device *,
> unsigned long, unsigned long,

Apart from 'ntrips', which might be 'num_trips', this looks OK.

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