Changeset 23684b7 in mainline for arch/mips32/include/atomic.h

Timestamp:

2006-03-22T17:21:15Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d71007e

Parents:

45fb65c

Message:

Define atomic_t only once in atomic.h
Change the encapsulated counter type to long so that it supports negative values as well.

File:

• arch/mips32/include/atomic.h (modified) (4 diffs)

arch/mips32/include/atomic.h

@@ -31 +31 @@
 
 #include <arch/types.h>
+#include <typedefs.h>
 
 #define atomic_inc(x)   ((void) atomic_add(x, 1))
@@ -41 +42 @@
 #define atomic_predec(x) atomic_add(x, -1)
 
-typedef struct { volatile __u32 count; } atomic_t;
-
 /* Atomic addition of immediate value.
  *
@@ -50 +49 @@
  * @return Value after addition.
  */
-static inline count_t atomic_add(atomic_t *val, int i)
+static inline long atomic_add(atomic_t *val, int i)
 {
-        count_t tmp, v;
+        long tmp, v;
 
         __asm__ volatile (
@@ -69 +68 @@
 }
 
-/* Reads/writes are atomic on mips for 4-bytes */
-
-static inline void atomic_set(atomic_t *val, __u32 i)
-{
-        val->count = i;
-}
-
-static inline __u32 atomic_get(atomic_t *val)
-{
-        return val->count;
-}
-
 #endif