Release 4.7 arch/blackfin/include/asm/atomic.h

/*
 * Copyright 2004-2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef __ARCH_BLACKFIN_ATOMIC__

#define __ARCH_BLACKFIN_ATOMIC__

#include <asm/cmpxchg.h>

#ifdef CONFIG_SMP

#include <asm/barrier.h>
#include <linux/linkage.h>
#include <linux/types.h>

asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
asmlinkage int __raw_atomic_add_asm(volatile int *ptr, int value);

asmlinkage int __raw_atomic_and_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_or_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);


#define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)


#define atomic_add_return(i, v) __raw_atomic_add_asm(&(v)->counter, i)

#define atomic_sub_return(i, v) __raw_atomic_add_asm(&(v)->counter, -(i))


#define atomic_or(i, v)  (void)__raw_atomic_or_asm(&(v)->counter, i)

#define atomic_and(i, v) (void)__raw_atomic_and_asm(&(v)->counter, i)

#define atomic_xor(i, v) (void)__raw_atomic_xor_asm(&(v)->counter, i)

#endif

#include <asm-generic/atomic.h>

#endif
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