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authorBryan Wu <cooloney@kernel.org>2008-08-27 10:51:02 +0800
committerBryan Wu <cooloney@kernel.org>2008-08-27 10:51:02 +0800
commit639f6571458948b5112be2cf00c0c2c04db2897d (patch)
treea4dd7af33d0e92c935ba1e904f6fb7e923ac825e /include/asm-blackfin/atomic.h
parent3d9b7a5ce534f3963afcf8f4777267e5899fe007 (diff)
Blackfin arch: move include/asm-blackfin header files to arch/blackfin
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'include/asm-blackfin/atomic.h')
-rw-r--r--include/asm-blackfin/atomic.h144
1 files changed, 0 insertions, 144 deletions
diff --git a/include/asm-blackfin/atomic.h b/include/asm-blackfin/atomic.h
deleted file mode 100644
index 7cf50871860..00000000000
--- a/include/asm-blackfin/atomic.h
+++ /dev/null
@@ -1,144 +0,0 @@
-#ifndef __ARCH_BLACKFIN_ATOMIC__
-#define __ARCH_BLACKFIN_ATOMIC__
-
-#include <asm/system.h> /* local_irq_XXX() */
-
-/*
- * Atomic operations that C can't guarantee us. Useful for
- * resource counting etc..
- *
- * Generally we do not concern about SMP BFIN systems, so we don't have
- * to deal with that.
- *
- * Tony Kou (tonyko@lineo.ca) Lineo Inc. 2001
- */
-
-typedef struct {
- int counter;
-} atomic_t;
-#define ATOMIC_INIT(i) { (i) }
-
-#define atomic_read(v) ((v)->counter)
-#define atomic_set(v, i) (((v)->counter) = i)
-
-static __inline__ void atomic_add(int i, atomic_t * v)
-{
- long flags;
-
- local_irq_save(flags);
- v->counter += i;
- local_irq_restore(flags);
-}
-
-static __inline__ void atomic_sub(int i, atomic_t * v)
-{
- long flags;
-
- local_irq_save(flags);
- v->counter -= i;
- local_irq_restore(flags);
-
-}
-
-static inline int atomic_add_return(int i, atomic_t * v)
-{
- int __temp = 0;
- long flags;
-
- local_irq_save(flags);
- v->counter += i;
- __temp = v->counter;
- local_irq_restore(flags);
-
-
- return __temp;
-}
-
-#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
-static inline int atomic_sub_return(int i, atomic_t * v)
-{
- int __temp = 0;
- long flags;
-
- local_irq_save(flags);
- v->counter -= i;
- __temp = v->counter;
- local_irq_restore(flags);
-
- return __temp;
-}
-
-static __inline__ void atomic_inc(volatile atomic_t * v)
-{
- long flags;
-
- local_irq_save(flags);
- v->counter++;
- local_irq_restore(flags);
-}
-
-#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); \
-})
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-
-static __inline__ void atomic_dec(volatile atomic_t * v)
-{
- long flags;
-
- local_irq_save(flags);
- v->counter--;
- local_irq_restore(flags);
-}
-
-static __inline__ void atomic_clear_mask(unsigned int mask, atomic_t * v)
-{
- long flags;
-
- local_irq_save(flags);
- v->counter &= ~mask;
- local_irq_restore(flags);
-}
-
-static __inline__ void atomic_set_mask(unsigned int mask, atomic_t * v)
-{
- long flags;
-
- local_irq_save(flags);
- v->counter |= mask;
- local_irq_restore(flags);
-}
-
-/* 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()
-
-#define atomic_dec_return(v) atomic_sub_return(1,(v))
-#define atomic_inc_return(v) atomic_add_return(1,(v))
-
-/*
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
-
-#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
-#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
-
-#include <asm-generic/atomic.h>
-
-#endif /* __ARCH_BLACKFIN_ATOMIC __ */