diff options
Diffstat (limited to 'include/asm-m68knommu')
-rw-r--r-- | include/asm-m68knommu/atomic.h | 25 | ||||
-rw-r--r-- | include/asm-m68knommu/kdebug.h | 1 | ||||
-rw-r--r-- | include/asm-m68knommu/pgtable.h | 4 | ||||
-rw-r--r-- | include/asm-m68knommu/system.h | 1 |
4 files changed, 17 insertions, 14 deletions
diff --git a/include/asm-m68knommu/atomic.h b/include/asm-m68knommu/atomic.h index 6c4e4b63e45..d5632a305da 100644 --- a/include/asm-m68knommu/atomic.h +++ b/include/asm-m68knommu/atomic.h @@ -1,7 +1,7 @@ #ifndef __ARCH_M68KNOMMU_ATOMIC__ #define __ARCH_M68KNOMMU_ATOMIC__ -#include <asm/system.h> /* local_irq_XXX() */ +#include <asm/system.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -131,14 +131,21 @@ static inline int atomic_sub_return(int i, atomic_t * v) #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_dec_return(v) atomic_sub_return(1,(v)) diff --git a/include/asm-m68knommu/kdebug.h b/include/asm-m68knommu/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m68knommu/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-m68knommu/pgtable.h b/include/asm-m68knommu/pgtable.h index 549ad231efa..9dfbbc24aa7 100644 --- a/include/asm-m68knommu/pgtable.h +++ b/include/asm-m68knommu/pgtable.h @@ -59,10 +59,6 @@ extern int is_in_rom(unsigned long); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* * All 32bit addresses are effectively valid for vmalloc... * Sort of meaningless for non-VM targets. diff --git a/include/asm-m68knommu/system.h b/include/asm-m68knommu/system.h index 2a814498672..5e5ed18bb78 100644 --- a/include/asm-m68knommu/system.h +++ b/include/asm-m68knommu/system.h @@ -120,7 +120,6 @@ asmlinkage void resume(void); #endif #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((volatile struct __xchg_dummy *)(x)) |