sh4 support

[fio.git] / arch / arch-ppc.h

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 4839122e9328688a486aaff57b83ddcbcfbbafa5..061153873131db5964ca650a6d255e72b8035866 100644 (file)
--- a/arch/arch-ppc.h
+++ b/arch/arch-ppc.h
@@ -44,38 +44,4 @@ static inline int arch_ffz(unsigned long bitmask)
 }
 #define ARCH_HAVE_FFZ
 
-typedef struct {
-       volatile unsigned int lock;
-} spinlock_t;
-
-static inline void spin_trylock(spinlock_t *lock)
-{
-       unsigned long tmp;
-
-       __asm__ __volatile__(
-               "1:     lwarx           %0,0,%2\n\
-               cmpwi           0,%0,0\n\
-               bne-            2f\n\
-               stwcx.          1,0,%2\n\
-               bne-            1b\n\
-               isync\n\
-               2:"     : "=&r" (tmp)
-               : (&lock->lock)
-               : "cr0", "memory");
-
-       return tmp;
-}
-
-static inline void spin_lock(spinlock_t *lock)
-{
-       while (spin_trylock(lock))
-               ;
-}
-
-static inline void spin_unlock(spinlock_t *lock)
-{
-       read_barrier();
-       lock->lock = 0;
-}
-
 #endif