e15cb14493
Fixes the following sparse warnings: drivers/thermal/user_space.c:38:5: warning: symbol 'notify_user_space' was not declared. Should it be static? drivers/thermal/user_space.c:46:25: warning: symbol 'thermal_gov_user_space' was not declared. Should it be static? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Durgadoss R <durgadoss.r@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
|
|
* user_space.c - A simple user space Thermal events notifier
|
|
*
|
|
* Copyright (C) 2012 Intel Corp
|
|
* Copyright (C) 2012 Durgadoss R <durgadoss.r@intel.com>
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/thermal.h>
|
|
|
|
#include "thermal_core.h"
|
|
|
|
/**
|
|
* notify_user_space - Notifies user space about thermal events
|
|
* @tz - thermal_zone_device
|
|
*
|
|
* This function notifies the user space through UEvents.
|
|
*/
|
|
static int notify_user_space(struct thermal_zone_device *tz, int trip)
|
|
{
|
|
mutex_lock(&tz->lock);
|
|
kobject_uevent(&tz->device.kobj, KOBJ_CHANGE);
|
|
mutex_unlock(&tz->lock);
|
|
return 0;
|
|
}
|
|
|
|
static struct thermal_governor thermal_gov_user_space = {
|
|
.name = "user_space",
|
|
.throttle = notify_user_space,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static int __init thermal_gov_user_space_init(void)
|
|
{
|
|
return thermal_register_governor(&thermal_gov_user_space);
|
|
}
|
|
|
|
static void __exit thermal_gov_user_space_exit(void)
|
|
{
|
|
thermal_unregister_governor(&thermal_gov_user_space);
|
|
}
|
|
|
|
/* This should load after thermal framework */
|
|
fs_initcall(thermal_gov_user_space_init);
|
|
module_exit(thermal_gov_user_space_exit);
|
|
|
|
MODULE_AUTHOR("Durgadoss R");
|
|
MODULE_DESCRIPTION("A user space Thermal notifier");
|
|
MODULE_LICENSE("GPL");
|