mirror of
https://github.com/torvalds/linux.git
synced 2024-11-27 14:41:39 +00:00
a29cbd76aa
thermal_sampling_init() suscribes to THERMAL_GENL_SAMPLING_GROUP_NAME group
so thermal_sampling_exit() should unsubscribe from the same group.
Fixes: 47c4b0de08 ("tools/lib/thermal: Add a thermal library")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230202102812.453357-1-vincent.guittot@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
// SPDX-License-Identifier: LGPL-2.1+
|
|
// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include <thermal.h>
|
|
#include "thermal_nl.h"
|
|
|
|
static int handle_thermal_sample(struct nl_msg *n, void *arg)
|
|
{
|
|
struct nlmsghdr *nlh = nlmsg_hdr(n);
|
|
struct genlmsghdr *genlhdr = genlmsg_hdr(nlh);
|
|
struct nlattr *attrs[THERMAL_GENL_ATTR_MAX + 1];
|
|
struct thermal_handler_param *thp = arg;
|
|
struct thermal_handler *th = thp->th;
|
|
|
|
genlmsg_parse(nlh, 0, attrs, THERMAL_GENL_ATTR_MAX, NULL);
|
|
|
|
switch (genlhdr->cmd) {
|
|
|
|
case THERMAL_GENL_SAMPLING_TEMP:
|
|
return th->ops->sampling.tz_temp(
|
|
nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]),
|
|
nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TEMP]), arg);
|
|
default:
|
|
return THERMAL_ERROR;
|
|
}
|
|
}
|
|
|
|
thermal_error_t thermal_sampling_handle(struct thermal_handler *th, void *arg)
|
|
{
|
|
struct thermal_handler_param thp = { .th = th, .arg = arg };
|
|
|
|
if (!th)
|
|
return THERMAL_ERROR;
|
|
|
|
if (nl_cb_set(th->cb_sampling, NL_CB_VALID, NL_CB_CUSTOM,
|
|
handle_thermal_sample, &thp))
|
|
return THERMAL_ERROR;
|
|
|
|
return nl_recvmsgs(th->sk_sampling, th->cb_sampling);
|
|
}
|
|
|
|
int thermal_sampling_fd(struct thermal_handler *th)
|
|
{
|
|
if (!th)
|
|
return -1;
|
|
|
|
return nl_socket_get_fd(th->sk_sampling);
|
|
}
|
|
|
|
thermal_error_t thermal_sampling_exit(struct thermal_handler *th)
|
|
{
|
|
if (nl_unsubscribe_thermal(th->sk_sampling, th->cb_sampling,
|
|
THERMAL_GENL_SAMPLING_GROUP_NAME))
|
|
return THERMAL_ERROR;
|
|
|
|
nl_thermal_disconnect(th->sk_sampling, th->cb_sampling);
|
|
|
|
return THERMAL_SUCCESS;
|
|
}
|
|
|
|
thermal_error_t thermal_sampling_init(struct thermal_handler *th)
|
|
{
|
|
if (nl_thermal_connect(&th->sk_sampling, &th->cb_sampling))
|
|
return THERMAL_ERROR;
|
|
|
|
if (nl_subscribe_thermal(th->sk_sampling, th->cb_sampling,
|
|
THERMAL_GENL_SAMPLING_GROUP_NAME))
|
|
return THERMAL_ERROR;
|
|
|
|
return THERMAL_SUCCESS;
|
|
}
|