diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-04-23 19:56:20 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-27 14:06:22 +0200 |
| commit | 74b1bc505b058efdfef33e775df68d8324bbf8b8 (patch) | |
| tree | 18019751628b963189f679768afbf24c3926aecc /arch/m68k | |
| parent | c66e45edef51e1f54297ddaf202fc2dd00852734 (diff) | |
| download | linux-74b1bc505b058efdfef33e775df68d8324bbf8b8.tar.bz2 | |
m68k: 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.
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/include/asm/atomic.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index e85f047fb072..c30e43ea49a3 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -77,6 +77,12 @@ static inline int atomic_##op##_return(int i, atomic_t * v) \ ATOMIC_OPS(add, +=, add) ATOMIC_OPS(sub, -=, sub) +#define CONFIG_ARCH_HAS_ATOMIC_OR + +ATOMIC_OP(and, &=, and) +ATOMIC_OP(or, |=, or) +ATOMIC_OP(xor, ^=, eor) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -170,14 +176,14 @@ static inline int atomic_add_negative(int i, atomic_t *v) return c != 0; } -static inline void atomic_clear_mask(unsigned long mask, unsigned long *v) +static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) { - __asm__ __volatile__("andl %1,%0" : "+m" (*v) : ASM_DI (~(mask))); + atomic_and(~mask, v); } -static inline void atomic_set_mask(unsigned long mask, unsigned long *v) +static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) { - __asm__ __volatile__("orl %1,%0" : "+m" (*v) : ASM_DI (mask)); + atomic_or(mask, v); } static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) |