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bitops.h
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1 /*
2  * Copyright (C) 2012 ARM Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 #ifndef __ASM_BITOPS_H
17 #define __ASM_BITOPS_H
18 
19 #include <linux/compiler.h>
20 
21 #include <asm/barrier.h>
22 
23 /*
24  * clear_bit may not imply a memory barrier
25  */
26 #ifndef smp_mb__before_clear_bit
27 #define smp_mb__before_clear_bit() smp_mb()
28 #define smp_mb__after_clear_bit() smp_mb()
29 #endif
30 
31 #ifndef _LINUX_BITOPS_H
32 #error only <linux/bitops.h> can be included directly
33 #endif
34 
39 
40 #include <asm-generic/bitops/ffz.h>
43 
47 
50 #include <asm-generic/bitops/le.h>
52 
53 #endif /* __ASM_BITOPS_H */