1 /*
2 * Copyright (C) 2010, 2014, 2016-2017 ARM Limited. All rights reserved.
3 *
4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
6 *
7 * A copy of the licence is included with the program, and can also be obtained from Free Software
8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
9 */
10
11 /**
12 * @file ump_osk_atomics.c
13 * Implementation of the OS abstraction layer for the UMP kernel device driver
14 */
15
16 #include "ump_osk.h"
17 #include <asm/atomic.h>
18
_ump_osk_atomic_dec_and_read(_mali_osk_atomic_t * atom)19 int _ump_osk_atomic_dec_and_read(_mali_osk_atomic_t *atom)
20 {
21 return atomic_dec_return((atomic_t *)&atom->u.val);
22 }
23
_ump_osk_atomic_inc_and_read(_mali_osk_atomic_t * atom)24 int _ump_osk_atomic_inc_and_read(_mali_osk_atomic_t *atom)
25 {
26 return atomic_inc_return((atomic_t *)&atom->u.val);
27 }
28