Messages in this thread Patch in this message | | | Date | Thu, 16 Jul 2015 19:21:16 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 06/28] avr32: Provide atomic_{or,xor,and} |
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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: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/avr32/include/asm/atomic.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
--- a/arch/avr32/include/asm/atomic.h +++ b/arch/avr32/include/asm/atomic.h @@ -44,6 +44,20 @@ static inline int __atomic_##op##_return 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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