mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 19:00:25 +00:00
![Linus Torvalds](/assets/img/avatar_default.png)
Pull thermal management updates from Zhang Rui: - Remove the 'module' Kconfig option for thermal subsystem framework because the thermal framework are required to be ready as early as possible to avoid overheat at boot time (Daniel Lezcano) - Fix a bug that thermal framework pokes disabled thermal zones upon resume (Wei Wang) - A couple of cleanups and trivial fixes on int340x thermal drivers (Srinivas Pandruvada, Zhang Rui, Sumeet Pawnikar) * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: drivers: thermal: processor_thermal: Downgrade error message mlxsw: Remove obsolete dependency on THERMAL=m hwmon/drivers/core: Simplify complex dependency thermal/drivers/core: Fix typo in the option name thermal/drivers/core: Remove depends on THERMAL in Kconfig thermal/drivers/core: Remove module unload code thermal/drivers/core: Remove the module Kconfig's option thermal: core: skip update disabled thermal zones after suspend thermal: make device_register's type argument const thermal: intel: int340x: processor_thermal_device: simplify to get driver data thermal/int3403_thermal: favor _TMP instead of PTYP
558 lines
19 KiB
C
558 lines
19 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* thermal.h ($Revision: 0 $)
|
|
*
|
|
* Copyright (C) 2008 Intel Corp
|
|
* Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com>
|
|
* Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com>
|
|
*/
|
|
|
|
#ifndef __THERMAL_H__
|
|
#define __THERMAL_H__
|
|
|
|
#include <linux/of.h>
|
|
#include <linux/idr.h>
|
|
#include <linux/device.h>
|
|
#include <linux/sysfs.h>
|
|
#include <linux/workqueue.h>
|
|
#include <uapi/linux/thermal.h>
|
|
|
|
#define THERMAL_TRIPS_NONE -1
|
|
#define THERMAL_MAX_TRIPS 12
|
|
|
|
/* invalid cooling state */
|
|
#define THERMAL_CSTATE_INVALID -1UL
|
|
|
|
/* No upper/lower limit requirement */
|
|
#define THERMAL_NO_LIMIT ((u32)~0)
|
|
|
|
/* Default weight of a bound cooling device */
|
|
#define THERMAL_WEIGHT_DEFAULT 0
|
|
|
|
/* use value, which < 0K, to indicate an invalid/uninitialized temperature */
|
|
#define THERMAL_TEMP_INVALID -274000
|
|
|
|
/* Unit conversion macros */
|
|
#define DECI_KELVIN_TO_CELSIUS(t) ({ \
|
|
long _t = (t); \
|
|
((_t-2732 >= 0) ? (_t-2732+5)/10 : (_t-2732-5)/10); \
|
|
})
|
|
#define CELSIUS_TO_DECI_KELVIN(t) ((t)*10+2732)
|
|
#define DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, off) (((t) - (off)) * 100)
|
|
#define DECI_KELVIN_TO_MILLICELSIUS(t) DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, 2732)
|
|
#define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off))
|
|
#define MILLICELSIUS_TO_DECI_KELVIN(t) MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, 2732)
|
|
|
|
/* Default Thermal Governor */
|
|
#if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE)
|
|
#define DEFAULT_THERMAL_GOVERNOR "step_wise"
|
|
#elif defined(CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE)
|
|
#define DEFAULT_THERMAL_GOVERNOR "fair_share"
|
|
#elif defined(CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE)
|
|
#define DEFAULT_THERMAL_GOVERNOR "user_space"
|
|
#elif defined(CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR)
|
|
#define DEFAULT_THERMAL_GOVERNOR "power_allocator"
|
|
#endif
|
|
|
|
struct thermal_zone_device;
|
|
struct thermal_cooling_device;
|
|
struct thermal_instance;
|
|
|
|
enum thermal_device_mode {
|
|
THERMAL_DEVICE_DISABLED = 0,
|
|
THERMAL_DEVICE_ENABLED,
|
|
};
|
|
|
|
enum thermal_trip_type {
|
|
THERMAL_TRIP_ACTIVE = 0,
|
|
THERMAL_TRIP_PASSIVE,
|
|
THERMAL_TRIP_HOT,
|
|
THERMAL_TRIP_CRITICAL,
|
|
};
|
|
|
|
enum thermal_trend {
|
|
THERMAL_TREND_STABLE, /* temperature is stable */
|
|
THERMAL_TREND_RAISING, /* temperature is raising */
|
|
THERMAL_TREND_DROPPING, /* temperature is dropping */
|
|
THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */
|
|
THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */
|
|
};
|
|
|
|
/* Thermal notification reason */
|
|
enum thermal_notify_event {
|
|
THERMAL_EVENT_UNSPECIFIED, /* Unspecified event */
|
|
THERMAL_EVENT_TEMP_SAMPLE, /* New Temperature sample */
|
|
THERMAL_TRIP_VIOLATED, /* TRIP Point violation */
|
|
THERMAL_TRIP_CHANGED, /* TRIP Point temperature changed */
|
|
THERMAL_DEVICE_DOWN, /* Thermal device is down */
|
|
THERMAL_DEVICE_UP, /* Thermal device is up after a down event */
|
|
THERMAL_DEVICE_POWER_CAPABILITY_CHANGED, /* power capability changed */
|
|
THERMAL_TABLE_CHANGED, /* Thermal table(s) changed */
|
|
};
|
|
|
|
struct thermal_zone_device_ops {
|
|
int (*bind) (struct thermal_zone_device *,
|
|
struct thermal_cooling_device *);
|
|
int (*unbind) (struct thermal_zone_device *,
|
|
struct thermal_cooling_device *);
|
|
int (*get_temp) (struct thermal_zone_device *, int *);
|
|
int (*set_trips) (struct thermal_zone_device *, int, int);
|
|
int (*get_mode) (struct thermal_zone_device *,
|
|
enum thermal_device_mode *);
|
|
int (*set_mode) (struct thermal_zone_device *,
|
|
enum thermal_device_mode);
|
|
int (*get_trip_type) (struct thermal_zone_device *, int,
|
|
enum thermal_trip_type *);
|
|
int (*get_trip_temp) (struct thermal_zone_device *, int, int *);
|
|
int (*set_trip_temp) (struct thermal_zone_device *, int, int);
|
|
int (*get_trip_hyst) (struct thermal_zone_device *, int, int *);
|
|
int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
|
|
int (*get_crit_temp) (struct thermal_zone_device *, int *);
|
|
int (*set_emul_temp) (struct thermal_zone_device *, int);
|
|
int (*get_trend) (struct thermal_zone_device *, int,
|
|
enum thermal_trend *);
|
|
int (*notify) (struct thermal_zone_device *, int,
|
|
enum thermal_trip_type);
|
|
};
|
|
|
|
struct thermal_cooling_device_ops {
|
|
int (*get_max_state) (struct thermal_cooling_device *, unsigned long *);
|
|
int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *);
|
|
int (*set_cur_state) (struct thermal_cooling_device *, unsigned long);
|
|
int (*get_requested_power)(struct thermal_cooling_device *,
|
|
struct thermal_zone_device *, u32 *);
|
|
int (*state2power)(struct thermal_cooling_device *,
|
|
struct thermal_zone_device *, unsigned long, u32 *);
|
|
int (*power2state)(struct thermal_cooling_device *,
|
|
struct thermal_zone_device *, u32, unsigned long *);
|
|
};
|
|
|
|
struct thermal_cooling_device {
|
|
int id;
|
|
char type[THERMAL_NAME_LENGTH];
|
|
struct device device;
|
|
struct device_node *np;
|
|
void *devdata;
|
|
void *stats;
|
|
const struct thermal_cooling_device_ops *ops;
|
|
bool updated; /* true if the cooling device does not need update */
|
|
struct mutex lock; /* protect thermal_instances list */
|
|
struct list_head thermal_instances;
|
|
struct list_head node;
|
|
};
|
|
|
|
struct thermal_attr {
|
|
struct device_attribute attr;
|
|
char name[THERMAL_NAME_LENGTH];
|
|
};
|
|
|
|
/**
|
|
* struct thermal_zone_device - structure for a thermal zone
|
|
* @id: unique id number for each thermal zone
|
|
* @type: the thermal zone device type
|
|
* @device: &struct device for this thermal zone
|
|
* @trip_temp_attrs: attributes for trip points for sysfs: trip temperature
|
|
* @trip_type_attrs: attributes for trip points for sysfs: trip type
|
|
* @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
|
|
* @devdata: private pointer for device private data
|
|
* @trips: number of trip points the thermal zone supports
|
|
* @trips_disabled; bitmap for disabled trips
|
|
* @passive_delay: number of milliseconds to wait between polls when
|
|
* performing passive cooling.
|
|
* @polling_delay: number of milliseconds to wait between polls when
|
|
* checking whether trip points have been crossed (0 for
|
|
* interrupt driven systems)
|
|
* @temperature: current temperature. This is only for core code,
|
|
* drivers should use thermal_zone_get_temp() to get the
|
|
* current temperature
|
|
* @last_temperature: previous temperature read
|
|
* @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION
|
|
* @passive: 1 if you've crossed a passive trip point, 0 otherwise.
|
|
* @prev_low_trip: the low current temperature if you've crossed a passive
|
|
trip point.
|
|
* @prev_high_trip: the above current temperature if you've crossed a
|
|
passive trip point.
|
|
* @forced_passive: If > 0, temperature at which to switch on all ACPI
|
|
* processor cooling devices. Currently only used by the
|
|
* step-wise governor.
|
|
* @need_update: if equals 1, thermal_zone_device_update needs to be invoked.
|
|
* @ops: operations this &thermal_zone_device supports
|
|
* @tzp: thermal zone parameters
|
|
* @governor: pointer to the governor for this thermal zone
|
|
* @governor_data: private pointer for governor data
|
|
* @thermal_instances: list of &struct thermal_instance of this thermal zone
|
|
* @ida: &struct ida to generate unique id for this zone's cooling
|
|
* devices
|
|
* @lock: lock to protect thermal_instances list
|
|
* @node: node in thermal_tz_list (in thermal_core.c)
|
|
* @poll_queue: delayed work for polling
|
|
* @notify_event: Last notification event
|
|
*/
|
|
struct thermal_zone_device {
|
|
int id;
|
|
char type[THERMAL_NAME_LENGTH];
|
|
struct device device;
|
|
struct attribute_group trips_attribute_group;
|
|
struct thermal_attr *trip_temp_attrs;
|
|
struct thermal_attr *trip_type_attrs;
|
|
struct thermal_attr *trip_hyst_attrs;
|
|
void *devdata;
|
|
int trips;
|
|
unsigned long trips_disabled; /* bitmap for disabled trips */
|
|
int passive_delay;
|
|
int polling_delay;
|
|
int temperature;
|
|
int last_temperature;
|
|
int emul_temperature;
|
|
int passive;
|
|
int prev_low_trip;
|
|
int prev_high_trip;
|
|
unsigned int forced_passive;
|
|
atomic_t need_update;
|
|
struct thermal_zone_device_ops *ops;
|
|
struct thermal_zone_params *tzp;
|
|
struct thermal_governor *governor;
|
|
void *governor_data;
|
|
struct list_head thermal_instances;
|
|
struct ida ida;
|
|
struct mutex lock;
|
|
struct list_head node;
|
|
struct delayed_work poll_queue;
|
|
enum thermal_notify_event notify_event;
|
|
};
|
|
|
|
/**
|
|
* struct thermal_governor - structure that holds thermal governor information
|
|
* @name: name of the governor
|
|
* @bind_to_tz: callback called when binding to a thermal zone. If it
|
|
* returns 0, the governor is bound to the thermal zone,
|
|
* otherwise it fails.
|
|
* @unbind_from_tz: callback called when a governor is unbound from a
|
|
* thermal zone.
|
|
* @throttle: callback called for every trip point even if temperature is
|
|
* below the trip point temperature
|
|
* @governor_list: node in thermal_governor_list (in thermal_core.c)
|
|
*/
|
|
struct thermal_governor {
|
|
char name[THERMAL_NAME_LENGTH];
|
|
int (*bind_to_tz)(struct thermal_zone_device *tz);
|
|
void (*unbind_from_tz)(struct thermal_zone_device *tz);
|
|
int (*throttle)(struct thermal_zone_device *tz, int trip);
|
|
struct list_head governor_list;
|
|
};
|
|
|
|
/* Structure that holds binding parameters for a zone */
|
|
struct thermal_bind_params {
|
|
struct thermal_cooling_device *cdev;
|
|
|
|
/*
|
|
* This is a measure of 'how effectively these devices can
|
|
* cool 'this' thermal zone. It shall be determined by
|
|
* platform characterization. This value is relative to the
|
|
* rest of the weights so a cooling device whose weight is
|
|
* double that of another cooling device is twice as
|
|
* effective. See Documentation/thermal/sysfs-api.txt for more
|
|
* information.
|
|
*/
|
|
int weight;
|
|
|
|
/*
|
|
* This is a bit mask that gives the binding relation between this
|
|
* thermal zone and cdev, for a particular trip point.
|
|
* See Documentation/thermal/sysfs-api.txt for more information.
|
|
*/
|
|
int trip_mask;
|
|
|
|
/*
|
|
* This is an array of cooling state limits. Must have exactly
|
|
* 2 * thermal_zone.number_of_trip_points. It is an array consisting
|
|
* of tuples <lower-state upper-state> of state limits. Each trip
|
|
* will be associated with one state limit tuple when binding.
|
|
* A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS>
|
|
* on all trips.
|
|
*/
|
|
unsigned long *binding_limits;
|
|
int (*match) (struct thermal_zone_device *tz,
|
|
struct thermal_cooling_device *cdev);
|
|
};
|
|
|
|
/* Structure to define Thermal Zone parameters */
|
|
struct thermal_zone_params {
|
|
char governor_name[THERMAL_NAME_LENGTH];
|
|
|
|
/*
|
|
* a boolean to indicate if the thermal to hwmon sysfs interface
|
|
* is required. when no_hwmon == false, a hwmon sysfs interface
|
|
* will be created. when no_hwmon == true, nothing will be done
|
|
*/
|
|
bool no_hwmon;
|
|
|
|
int num_tbps; /* Number of tbp entries */
|
|
struct thermal_bind_params *tbp;
|
|
|
|
/*
|
|
* Sustainable power (heat) that this thermal zone can dissipate in
|
|
* mW
|
|
*/
|
|
u32 sustainable_power;
|
|
|
|
/*
|
|
* Proportional parameter of the PID controller when
|
|
* overshooting (i.e., when temperature is below the target)
|
|
*/
|
|
s32 k_po;
|
|
|
|
/*
|
|
* Proportional parameter of the PID controller when
|
|
* undershooting
|
|
*/
|
|
s32 k_pu;
|
|
|
|
/* Integral parameter of the PID controller */
|
|
s32 k_i;
|
|
|
|
/* Derivative parameter of the PID controller */
|
|
s32 k_d;
|
|
|
|
/* threshold below which the error is no longer accumulated */
|
|
s32 integral_cutoff;
|
|
|
|
/*
|
|
* @slope: slope of a linear temperature adjustment curve.
|
|
* Used by thermal zone drivers.
|
|
*/
|
|
int slope;
|
|
/*
|
|
* @offset: offset of a linear temperature adjustment curve.
|
|
* Used by thermal zone drivers (default 0).
|
|
*/
|
|
int offset;
|
|
};
|
|
|
|
struct thermal_genl_event {
|
|
u32 orig;
|
|
enum events event;
|
|
};
|
|
|
|
/**
|
|
* struct thermal_zone_of_device_ops - scallbacks for handling DT based zones
|
|
*
|
|
* Mandatory:
|
|
* @get_temp: a pointer to a function that reads the sensor temperature.
|
|
*
|
|
* Optional:
|
|
* @get_trend: a pointer to a function that reads the sensor temperature trend.
|
|
* @set_trips: a pointer to a function that sets a temperature window. When
|
|
* this window is left the driver must inform the thermal core via
|
|
* thermal_zone_device_update.
|
|
* @set_emul_temp: a pointer to a function that sets sensor emulated
|
|
* temperature.
|
|
* @set_trip_temp: a pointer to a function that sets the trip temperature on
|
|
* hardware.
|
|
*/
|
|
struct thermal_zone_of_device_ops {
|
|
int (*get_temp)(void *, int *);
|
|
int (*get_trend)(void *, int, enum thermal_trend *);
|
|
int (*set_trips)(void *, int, int);
|
|
int (*set_emul_temp)(void *, int);
|
|
int (*set_trip_temp)(void *, int, int);
|
|
};
|
|
|
|
/**
|
|
* struct thermal_trip - representation of a point in temperature domain
|
|
* @np: pointer to struct device_node that this trip point was created from
|
|
* @temperature: temperature value in miliCelsius
|
|
* @hysteresis: relative hysteresis in miliCelsius
|
|
* @type: trip point type
|
|
*/
|
|
|
|
struct thermal_trip {
|
|
struct device_node *np;
|
|
int temperature;
|
|
int hysteresis;
|
|
enum thermal_trip_type type;
|
|
};
|
|
|
|
/* Function declarations */
|
|
#ifdef CONFIG_THERMAL_OF
|
|
struct thermal_zone_device *
|
|
thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
|
|
const struct thermal_zone_of_device_ops *ops);
|
|
void thermal_zone_of_sensor_unregister(struct device *dev,
|
|
struct thermal_zone_device *tz);
|
|
struct thermal_zone_device *devm_thermal_zone_of_sensor_register(
|
|
struct device *dev, int id, void *data,
|
|
const struct thermal_zone_of_device_ops *ops);
|
|
void devm_thermal_zone_of_sensor_unregister(struct device *dev,
|
|
struct thermal_zone_device *tz);
|
|
#else
|
|
static inline struct thermal_zone_device *
|
|
thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
|
|
const struct thermal_zone_of_device_ops *ops)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline
|
|
void thermal_zone_of_sensor_unregister(struct device *dev,
|
|
struct thermal_zone_device *tz)
|
|
{
|
|
}
|
|
|
|
static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register(
|
|
struct device *dev, int id, void *data,
|
|
const struct thermal_zone_of_device_ops *ops)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline
|
|
void devm_thermal_zone_of_sensor_unregister(struct device *dev,
|
|
struct thermal_zone_device *tz)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_THERMAL)
|
|
static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
|
|
{
|
|
return cdev->ops->get_requested_power && cdev->ops->state2power &&
|
|
cdev->ops->power2state;
|
|
}
|
|
|
|
int power_actor_get_max_power(struct thermal_cooling_device *,
|
|
struct thermal_zone_device *tz, u32 *max_power);
|
|
int power_actor_get_min_power(struct thermal_cooling_device *,
|
|
struct thermal_zone_device *tz, u32 *min_power);
|
|
int power_actor_set_power(struct thermal_cooling_device *,
|
|
struct thermal_instance *, u32);
|
|
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 *);
|
|
|
|
int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
|
|
struct thermal_cooling_device *,
|
|
unsigned long, unsigned long,
|
|
unsigned int);
|
|
int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
|
|
struct thermal_cooling_device *);
|
|
void thermal_zone_device_update(struct thermal_zone_device *,
|
|
enum thermal_notify_event);
|
|
void thermal_zone_set_trips(struct thermal_zone_device *);
|
|
|
|
struct thermal_cooling_device *thermal_cooling_device_register(const char *,
|
|
void *, const struct thermal_cooling_device_ops *);
|
|
struct thermal_cooling_device *
|
|
thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
|
|
const struct thermal_cooling_device_ops *);
|
|
struct thermal_cooling_device *
|
|
devm_thermal_of_cooling_device_register(struct device *dev,
|
|
struct device_node *np,
|
|
char *type, void *devdata,
|
|
const struct thermal_cooling_device_ops *ops);
|
|
void thermal_cooling_device_unregister(struct thermal_cooling_device *);
|
|
struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
|
|
int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
|
|
int thermal_zone_get_slope(struct thermal_zone_device *tz);
|
|
int thermal_zone_get_offset(struct thermal_zone_device *tz);
|
|
|
|
int get_tz_trend(struct thermal_zone_device *, int);
|
|
struct thermal_instance *get_thermal_instance(struct thermal_zone_device *,
|
|
struct thermal_cooling_device *, int);
|
|
void thermal_cdev_update(struct thermal_cooling_device *);
|
|
void thermal_notify_framework(struct thermal_zone_device *, int);
|
|
#else
|
|
static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
|
|
{ return false; }
|
|
static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev,
|
|
struct thermal_zone_device *tz, u32 *max_power)
|
|
{ return 0; }
|
|
static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev,
|
|
struct thermal_zone_device *tz,
|
|
u32 *min_power)
|
|
{ return -ENODEV; }
|
|
static inline int power_actor_set_power(struct thermal_cooling_device *cdev,
|
|
struct thermal_instance *tz, u32 power)
|
|
{ return 0; }
|
|
static inline struct thermal_zone_device *thermal_zone_device_register(
|
|
const char *type, int trips, int mask, void *devdata,
|
|
struct thermal_zone_device_ops *ops,
|
|
struct thermal_zone_params *tzp,
|
|
int passive_delay, int polling_delay)
|
|
{ return ERR_PTR(-ENODEV); }
|
|
static inline void thermal_zone_device_unregister(
|
|
struct thermal_zone_device *tz)
|
|
{ }
|
|
static inline int thermal_zone_bind_cooling_device(
|
|
struct thermal_zone_device *tz, int trip,
|
|
struct thermal_cooling_device *cdev,
|
|
unsigned long upper, unsigned long lower,
|
|
unsigned int weight)
|
|
{ return -ENODEV; }
|
|
static inline int thermal_zone_unbind_cooling_device(
|
|
struct thermal_zone_device *tz, int trip,
|
|
struct thermal_cooling_device *cdev)
|
|
{ return -ENODEV; }
|
|
static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
|
|
enum thermal_notify_event event)
|
|
{ }
|
|
static inline void thermal_zone_set_trips(struct thermal_zone_device *tz)
|
|
{ }
|
|
static inline struct thermal_cooling_device *
|
|
thermal_cooling_device_register(char *type, void *devdata,
|
|
const struct thermal_cooling_device_ops *ops)
|
|
{ return ERR_PTR(-ENODEV); }
|
|
static inline struct thermal_cooling_device *
|
|
thermal_of_cooling_device_register(struct device_node *np,
|
|
char *type, void *devdata, const struct thermal_cooling_device_ops *ops)
|
|
{ return ERR_PTR(-ENODEV); }
|
|
static inline struct thermal_cooling_device *
|
|
devm_thermal_of_cooling_device_register(struct device *dev,
|
|
struct device_node *np,
|
|
char *type, void *devdata,
|
|
const struct thermal_cooling_device_ops *ops)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
static inline void thermal_cooling_device_unregister(
|
|
struct thermal_cooling_device *cdev)
|
|
{ }
|
|
static inline struct thermal_zone_device *thermal_zone_get_zone_by_name(
|
|
const char *name)
|
|
{ return ERR_PTR(-ENODEV); }
|
|
static inline int thermal_zone_get_temp(
|
|
struct thermal_zone_device *tz, int *temp)
|
|
{ return -ENODEV; }
|
|
static inline int thermal_zone_get_slope(
|
|
struct thermal_zone_device *tz)
|
|
{ return -ENODEV; }
|
|
static inline int thermal_zone_get_offset(
|
|
struct thermal_zone_device *tz)
|
|
{ return -ENODEV; }
|
|
static inline int get_tz_trend(struct thermal_zone_device *tz, int trip)
|
|
{ return -ENODEV; }
|
|
static inline struct thermal_instance *
|
|
get_thermal_instance(struct thermal_zone_device *tz,
|
|
struct thermal_cooling_device *cdev, int trip)
|
|
{ return ERR_PTR(-ENODEV); }
|
|
static inline void thermal_cdev_update(struct thermal_cooling_device *cdev)
|
|
{ }
|
|
static inline void thermal_notify_framework(struct thermal_zone_device *tz,
|
|
int trip)
|
|
{ }
|
|
#endif /* CONFIG_THERMAL */
|
|
|
|
#if defined(CONFIG_NET) && IS_ENABLED(CONFIG_THERMAL)
|
|
extern int thermal_generate_netlink_event(struct thermal_zone_device *tz,
|
|
enum events event);
|
|
#else
|
|
static inline int thermal_generate_netlink_event(struct thermal_zone_device *tz,
|
|
enum events event)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __THERMAL_H__ */
|