linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / include / asm-sparc / spinlock.h
index 1c75474..e344c98 100644 (file)
@@ -94,7 +94,7 @@ static inline void __read_lock(raw_rwlock_t *rw)
 #define __raw_read_lock(lock) \
 do {   unsigned long flags; \
        local_irq_save(flags); \
-       __read_lock(lock); \
+       __raw_read_lock(lock); \
        local_irq_restore(flags); \
 } while(0)
 
@@ -114,11 +114,11 @@ static inline void __read_unlock(raw_rwlock_t *rw)
 #define __raw_read_unlock(lock) \
 do {   unsigned long flags; \
        local_irq_save(flags); \
-       __read_unlock(lock); \
+       __raw_read_unlock(lock); \
        local_irq_restore(flags); \
 } while(0)
 
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+extern __inline__ void __raw_write_lock(raw_rwlock_t *rw)
 {
        register raw_rwlock_t *lp asm("g1");
        lp = rw;
@@ -131,31 +131,9 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
        : "g2", "g4", "memory", "cc");
 }
 
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
-{
-       unsigned int val;
-
-       __asm__ __volatile__("ldstub [%1 + 3], %0"
-                            : "=r" (val)
-                            : "r" (&rw->lock)
-                            : "memory");
-
-       if (val == 0) {
-               val = rw->lock & ~0xff;
-               if (val)
-                       ((volatile u8*)&rw->lock)[3] = 0;
-       }
-
-       return (val == 0);
-}
-
 #define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0)
 
 #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
-#define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
-
-#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff))
-#define __raw_write_can_lock(rw) (!(rw)->lock)
 
 #endif /* !(__ASSEMBLY__) */