diff options
Diffstat (limited to 'include/asm-ppc64/system.h')
| -rw-r--r-- | include/asm-ppc64/system.h | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h index b9e1835351e..c0396428cc3 100644 --- a/include/asm-ppc64/system.h +++ b/include/asm-ppc64/system.h @@ -158,7 +158,7 @@ static inline int __is_processor(unsigned long pv) * is more like most of the other architectures. */ static __inline__ unsigned long -__xchg_u32(volatile int *m, unsigned long val) +__xchg_u32(volatile unsigned int *m, unsigned long val) { unsigned long dummy; @@ -200,7 +200,7 @@ __xchg_u64(volatile long *m, unsigned long val) extern void __xchg_called_with_bad_pointer(void); static __inline__ unsigned long -__xchg(volatile void *ptr, unsigned long x, int size) +__xchg(volatile void *ptr, unsigned long x, unsigned int size) { switch (size) { case 4: @@ -223,7 +223,7 @@ __xchg(volatile void *ptr, unsigned long x, int size) #define __HAVE_ARCH_CMPXCHG 1 static __inline__ unsigned long -__cmpxchg_u32(volatile int *p, int old, int new) +__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) { unsigned int prev; @@ -271,7 +271,8 @@ __cmpxchg_u64(volatile long *p, unsigned long old, unsigned long new) extern void __cmpxchg_called_with_bad_pointer(void); static __inline__ unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) +__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, + unsigned int size) { switch (size) { case 4: @@ -283,13 +284,9 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) return old; } -#define cmpxchg(ptr,o,n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) +#define cmpxchg(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ + (unsigned long)(n),sizeof(*(ptr)))) /* * We handle most unaligned accesses in hardware. On the other hand |