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-rw-r--r--include/asm-cris/atomic.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/include/asm-cris/atomic.h b/include/asm-cris/atomic.h
deleted file mode 100644
index 5fc87768774..00000000000
--- a/include/asm-cris/atomic.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/* $Id: atomic.h,v 1.3 2001/07/25 16:15:19 bjornw Exp $ */
-
-#ifndef __ASM_CRIS_ATOMIC__
-#define __ASM_CRIS_ATOMIC__
-
-#include <linux/compiler.h>
-
-#include <asm/system.h>
-#include <asm/arch/atomic.h>
-
-/*
- * Atomic operations that C can't guarantee us. Useful for
- * resource counting etc..
- */
-
-typedef struct { volatile int counter; } atomic_t;
-
-#define ATOMIC_INIT(i) { (i) }
-
-#define atomic_read(v) ((v)->counter)
-#define atomic_set(v,i) (((v)->counter) = (i))
-
-/* These should be written in asm but we do it in C for now. */
-
-static inline void atomic_add(int i, volatile atomic_t *v)
-{
- unsigned long flags;
- cris_atomic_save(v, flags);
- v->counter += i;
- cris_atomic_restore(v, flags);
-}
-
-static inline void atomic_sub(int i, volatile atomic_t *v)
-{
- unsigned long flags;
- cris_atomic_save(v, flags);
- v->counter -= i;
- cris_atomic_restore(v, flags);
-}
-
-static inline int atomic_add_return(int i, volatile atomic_t *v)
-{
- unsigned long flags;
- int retval;
- cris_atomic_save(v, flags);
- retval = (v->counter += i);
- cris_atomic_restore(v, flags);
- return retval;
-}
-
-#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
-
-static inline int atomic_sub_return(int i, volatile atomic_t *v)
-{
- unsigned long flags;
- int retval;
- cris_atomic_save(v, flags);
- retval = (v->counter -= i);
- cris_atomic_restore(v, flags);
- return retval;
-}
-
-static inline int atomic_sub_and_test(int i, volatile atomic_t *v)
-{
- int retval;
- unsigned long flags;
- cris_atomic_save(v, flags);
- retval = (v->counter -= i) == 0;
- cris_atomic_restore(v, flags);
- return retval;
-}
-
-static inline void atomic_inc(volatile atomic_t *v)
-{
- unsigned long flags;
- cris_atomic_save(v, flags);
- (v->counter)++;
- cris_atomic_restore(v, flags);
-}
-
-static inline void atomic_dec(volatile atomic_t *v)
-{
- unsigned long flags;
- cris_atomic_save(v, flags);
- (v->counter)--;
- cris_atomic_restore(v, flags);
-}
-
-static inline int atomic_inc_return(volatile atomic_t *v)
-{
- unsigned long flags;
- int retval;
- cris_atomic_save(v, flags);
- retval = ++(v->counter);
- cris_atomic_restore(v, flags);
- return retval;
-}
-
-static inline int atomic_dec_return(volatile atomic_t *v)
-{
- unsigned long flags;
- int retval;
- cris_atomic_save(v, flags);
- retval = --(v->counter);
- cris_atomic_restore(v, flags);
- return retval;
-}
-static inline int atomic_dec_and_test(volatile atomic_t *v)
-{
- int retval;
- unsigned long flags;
- cris_atomic_save(v, flags);
- retval = --(v->counter) == 0;
- cris_atomic_restore(v, flags);
- return retval;
-}
-
-static inline int atomic_inc_and_test(volatile atomic_t *v)
-{
- int retval;
- unsigned long flags;
- cris_atomic_save(v, flags);
- retval = ++(v->counter) == 0;
- cris_atomic_restore(v, flags);
- return retval;
-}
-
-static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
-{
- int ret;
- unsigned long flags;
-
- cris_atomic_save(v, flags);
- ret = v->counter;
- if (likely(ret == old))
- v->counter = new;
- cris_atomic_restore(v, flags);
- return ret;
-}
-
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-
-static inline int atomic_add_unless(atomic_t *v, int a, int u)
-{
- int ret;
- unsigned long flags;
-
- cris_atomic_save(v, flags);
- ret = v->counter;
- if (ret != u)
- v->counter += a;
- cris_atomic_restore(v, flags);
- return ret != u;
-}
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-
-/* Atomic operations are already serializing */
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
-#include <asm-generic/atomic.h>
-#endif