/*
* Copyright (C) 2012 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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, see .
*/
#ifndef __ASM_BITOPS_H
#define __ASM_BITOPS_H
#include
#include
#ifndef _LINUX_BITOPS_H
#error only can be included directly
#endif
/*
* Little endian assembly atomic bitops.
*/
extern void set_bit(int nr, volatile unsigned long *p);
extern void clear_bit(int nr, volatile unsigned long *p);
extern void change_bit(int nr, volatile unsigned long *p);
extern int test_and_set_bit(int nr, volatile unsigned long *p);
extern int test_and_clear_bit(int nr, volatile unsigned long *p);
extern int test_and_change_bit(int nr, volatile unsigned long *p);
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
/*
* Ext2 is defined to use little-endian byte ordering.
*/
#define ext2_set_bit_atomic(lock, nr, p) test_and_set_bit_le(nr, p)
#define ext2_clear_bit_atomic(lock, nr, p) test_and_clear_bit_le(nr, p)
#endif /* __ASM_BITOPS_H */