1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * (C) COPYRIGHT 2012-2013, 2015, 2018, 2020-2021 ARM Limited. All rights reserved.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * This program is free software and is provided to you under the terms of the
7*4882a593Smuzhiyun * GNU General Public License version 2 as published by the Free Software
8*4882a593Smuzhiyun * Foundation, and any use by you of this program is subject to the terms
9*4882a593Smuzhiyun * of such GNU license.
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful,
12*4882a593Smuzhiyun * but WITHOUT ANY WARRANTY; without even the implied warranty of
13*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14*4882a593Smuzhiyun * GNU General Public License for more details.
15*4882a593Smuzhiyun *
16*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License
17*4882a593Smuzhiyun * along with this program; if not, you can access it online at
18*4882a593Smuzhiyun * http://www.gnu.org/licenses/gpl-2.0.html.
19*4882a593Smuzhiyun *
20*4882a593Smuzhiyun */
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #ifndef _KBASE_UTILITY_H
23*4882a593Smuzhiyun #define _KBASE_UTILITY_H
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #ifndef _KBASE_H_
26*4882a593Smuzhiyun #error "Don't include this file directly, use mali_kbase.h instead"
27*4882a593Smuzhiyun #endif
28*4882a593Smuzhiyun
kbase_timer_setup(struct timer_list * timer,void (* callback)(struct timer_list * timer))29*4882a593Smuzhiyun static inline void kbase_timer_setup(struct timer_list *timer,
30*4882a593Smuzhiyun void (*callback)(struct timer_list *timer))
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun #if KERNEL_VERSION(4, 14, 0) > LINUX_VERSION_CODE
33*4882a593Smuzhiyun setup_timer(timer, (void (*)(unsigned long)) callback,
34*4882a593Smuzhiyun (unsigned long) timer);
35*4882a593Smuzhiyun #else
36*4882a593Smuzhiyun timer_setup(timer, callback, 0);
37*4882a593Smuzhiyun #endif
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun #ifndef WRITE_ONCE
41*4882a593Smuzhiyun #ifdef ASSIGN_ONCE
42*4882a593Smuzhiyun #define WRITE_ONCE(x, val) ASSIGN_ONCE(val, x)
43*4882a593Smuzhiyun #else
44*4882a593Smuzhiyun #define WRITE_ONCE(x, val) (ACCESS_ONCE(x) = (val))
45*4882a593Smuzhiyun #endif
46*4882a593Smuzhiyun #endif
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun #ifndef READ_ONCE
49*4882a593Smuzhiyun #define READ_ONCE(x) ACCESS_ONCE(x)
50*4882a593Smuzhiyun #endif
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun #endif /* _KBASE_UTILITY_H */
53