sh: migrate to arch/sh/include/

[karo-tx-linux.git] / include / asm-sh / atomic.h

diff --git a/include/asm-sh/atomic.h b/include/asm-sh/atomic.h
deleted file mode 100644 (file)
index c043ef0..0000000
--- a/include/asm-sh/atomic.h
+++ /dev/null
@@ -1,89 +0,0 @@
-#ifndef __ASM_SH_ATOMIC_H
-#define __ASM_SH_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) ( (atomic_t) { (i) } )
-
-#define atomic_read(v)         ((v)->counter)
-#define atomic_set(v,i)                ((v)->counter = (i))
-
-#include <linux/compiler.h>
-#include <asm/system.h>
-
-#if defined(CONFIG_GUSA_RB)
-#include <asm/atomic-grb.h>
-#elif defined(CONFIG_CPU_SH4A)
-#include <asm/atomic-llsc.h>
-#else
-#include <asm/atomic-irq.h>
-#endif
-
-#define atomic_add_negative(a, v)      (atomic_add_return((a), (v)) < 0)
-
-#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)
-
-#define atomic_inc(v) atomic_add(1,(v))
-#define atomic_dec(v) atomic_sub(1,(v))
-
-#ifndef CONFIG_GUSA_RB
-static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
-{
-       int ret;
-       unsigned long flags;
-
-       local_irq_save(flags);
-       ret = v->counter;
-       if (likely(ret == old))
-               v->counter = new;
-       local_irq_restore(flags);
-
-       return ret;
-}
-
-static inline int atomic_add_unless(atomic_t *v, int a, int u)
-{
-       int ret;
-       unsigned long flags;
-
-       local_irq_save(flags);
-       ret = v->counter;
-       if (ret != u)
-               v->counter += a;
-       local_irq_restore(flags);
-
-       return ret != u;
-}
-#endif
-
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-
-/* Atomic operations are already serializing on SH */
-#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 /* __ASM_SH_ATOMIC_H */