unplugged-kernel/drivers/misc/mediatek/performance/observer/nn_notify.c

33 lines
745 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 MediaTek Inc.
*/
#define pr_fmt(fmt) "pob_nn: " fmt
#include <linux/notifier.h>
#include <mt-plat/mtk_perfobserver.h>
static BLOCKING_NOTIFIER_HEAD(pob_nn_notifier_list);
int pob_nn_register_client(struct notifier_block *nb)
{
return blocking_notifier_chain_register(&pob_nn_notifier_list, nb);
}
int pob_nn_unregister_client(struct notifier_block *nb)
{
return blocking_notifier_chain_unregister(&pob_nn_notifier_list, nb);
}
int pob_nn_notifier_call_chain(unsigned long val, void *v)
{
return blocking_notifier_call_chain(&pob_nn_notifier_list, val, v);
}
int pob_nn_update(enum pob_nn_info_num info_num, void *v)
{
pob_nn_notifier_call_chain(info_num, v);
return 0;
}