提交 f8a570e2 编写于 作者: P Peter Zijlstra 提交者: Thomas Gleixner

avr32: Provide atomic_{or,xor,and}

Implement atomic logic ops -- atomic_{or,xor,and}.

These will replace the atomic_{set,clear}_mask functions that are
available on some archs.
Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
上级 22288b40
......@@ -44,6 +44,20 @@ static inline int __atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OP_RETURN(sub, sub, rKs21)
ATOMIC_OP_RETURN(add, add, r)
#define ATOMIC_OP(op, asm_op) \
ATOMIC_OP_RETURN(op, asm_op, r) \
static inline void atomic_##op(int i, atomic_t *v) \
{ \
(void)__atomic_##op##_return(i, v); \
}
#define CONFIG_ARCH_HAS_ATOMIC_OR
ATOMIC_OP(and, and)
ATOMIC_OP(or, or)
ATOMIC_OP(xor, eor)
#undef ATOMIC_OP
#undef ATOMIC_OP_RETURN
/*
......
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