Blackfin: mass clean up of copyright/licensing info

[safe/jmp/linux-2.6] / arch / blackfin / include / asm / atomic.h

diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index d76275e..d27c627 100644 (file)
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -1,24 +1,27 @@
+/*
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
 #ifndef __ARCH_BLACKFIN_ATOMIC__
 #define __ARCH_BLACKFIN_ATOMIC__
 
+#ifndef CONFIG_SMP
+# include <asm-generic/atomic.h>
+#else
+
 #include <linux/types.h>
 #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
  */
 
 #define ATOMIC_INIT(i) { (i) }
 #define atomic_set(v, i)       (((v)->counter) = i)
 
-#ifdef CONFIG_SMP
-
 #define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
 
 asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
@@ -84,100 +87,6 @@ static inline int atomic_test_mask(int mask, atomic_t *v)
 #define smp_mb__before_atomic_inc()    barrier()
 #define smp_mb__after_atomic_inc() barrier()
 
-#else /* !CONFIG_SMP */
-
-#define atomic_read(v) ((v)->counter)
-
-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;
-}
-
-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);
-}
-
-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()
-
-#endif /* !CONFIG_SMP */
-
 #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))
@@ -208,6 +117,8 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
 #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>
+#include <asm-generic/atomic-long.h>
+
+#endif
 
-#endif                         /* __ARCH_BLACKFIN_ATOMIC __ */
+#endif