Files
cubelinux-kernel/tools/lib/thermal/thermal.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

153 lines
2.4 KiB
C

// SPDX-License-Identifier: LGPL-2.1+
// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
#include <stdio.h>
#include <limits.h>
#include <thermal.h>
#include "thermal_nl.h"
int for_each_thermal_threshold(struct thermal_threshold *th, cb_th_t cb, void *arg)
{
int i, ret = 0;
if (!th)
return 0;
for (i = 0; th[i].temperature != INT_MAX; i++)
ret |= cb(&th[i], arg);
return ret;
}
int for_each_thermal_cdev(struct thermal_cdev *cdev, cb_tc_t cb, void *arg)
{
int i, ret = 0;
if (!cdev)
return 0;
for (i = 0; cdev[i].id != -1; i++)
ret |= cb(&cdev[i], arg);
return ret;
}
int for_each_thermal_trip(struct thermal_trip *tt, cb_tt_t cb, void *arg)
{
int i, ret = 0;
if (!tt)
return 0;
for (i = 0; tt[i].id != -1; i++)
ret |= cb(&tt[i], arg);
return ret;
}
int for_each_thermal_zone(struct thermal_zone *tz, cb_tz_t cb, void *arg)
{
int i, ret = 0;
if (!tz)
return 0;
for (i = 0; tz[i].id != -1; i++)
ret |= cb(&tz[i], arg);
return ret;
}
struct thermal_zone *thermal_zone_find_by_name(struct thermal_zone *tz,
const char *name)
{
int i;
if (!tz || !name)
return NULL;
for (i = 0; tz[i].id != -1; i++) {
if (!strcmp(tz[i].name, name))
return &tz[i];
}
return NULL;
}
struct thermal_zone *thermal_zone_find_by_id(struct thermal_zone *tz, int id)
{
int i;
if (!tz || id < 0)
return NULL;
for (i = 0; tz[i].id != -1; i++) {
if (tz[i].id == id)
return &tz[i];
}
return NULL;
}
static int __thermal_zone_discover(struct thermal_zone *tz, void *th)
{
if (thermal_cmd_get_trip(th, tz) < 0)
return -1;
if (thermal_cmd_threshold_get(th, tz))
return -1;
if (thermal_cmd_get_governor(th, tz))
return -1;
return 0;
}
struct thermal_zone *thermal_zone_discover(struct thermal_handler *th)
{
struct thermal_zone *tz;
if (thermal_cmd_get_tz(th, &tz) < 0)
return NULL;
if (for_each_thermal_zone(tz, __thermal_zone_discover, th))
return NULL;
return tz;
}
void thermal_exit(struct thermal_handler *th)
{
thermal_cmd_exit(th);
thermal_events_exit(th);
thermal_sampling_exit(th);
free(th);
}
struct thermal_handler *thermal_init(struct thermal_ops *ops)
{
struct thermal_handler *th;
th = malloc(sizeof(*th));
if (!th)
return NULL;
th->ops = ops;
if (thermal_events_init(th))
goto out_free;
if (thermal_sampling_init(th))
goto out_free;
if (thermal_cmd_init(th))
goto out_free;
return th;
out_free:
free(th);
return NULL;
}