: "cc");
}
-static inline void atomic_add(int i, atomic_t *v)
-{
- unsigned long tmp, tmp2;
-
- __asm__ __volatile__("@ atomic_add\n"
-"1: ldrex %0, [%2]\n"
-" add %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
-" teq %1, #0\n"
-" bne 1b"
- : "=&r" (tmp), "=&r" (tmp2)
- : "r" (&v->counter), "Ir" (i)
- : "cc");
-}
-
static inline int atomic_add_return(int i, atomic_t *v)
{
unsigned long tmp;
return result;
}
-static inline void atomic_sub(int i, atomic_t *v)
-{
- unsigned long tmp, tmp2;
-
- __asm__ __volatile__("@ atomic_sub\n"
-"1: ldrex %0, [%2]\n"
-" sub %0, %0, %3\n"
-" strex %1, %0, [%2]\n"
-" teq %1, #0\n"
-" bne 1b"
- : "=&r" (tmp), "=&r" (tmp2)
- : "r" (&v->counter), "Ir" (i)
- : "cc");
-}
-
static inline int atomic_sub_return(int i, atomic_t *v)
{
unsigned long tmp;
#define atomic_set(v,i) (((v)->counter) = (i))
-static inline void atomic_add(int i, atomic_t *v)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- v->counter += i;
- local_irq_restore(flags);
-}
-
static inline int atomic_add_return(int i, atomic_t *v)
{
unsigned long flags;
return val;
}
-static inline void atomic_sub(int i, atomic_t *v)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- v->counter -= i;
- local_irq_restore(flags);
-}
-
static inline int atomic_sub_return(int i, atomic_t *v)
{
unsigned long flags;
#endif /* __LINUX_ARM_ARCH__ */
-#define atomic_inc(v) atomic_add(1, v)
-#define atomic_dec(v) atomic_sub(1, v)
+#define atomic_add(i, v) (void) atomic_add_return(i, v)
+#define atomic_inc(v) (void) atomic_add_return(1, v)
+#define atomic_sub(i, v) (void) atomic_sub_return(i, v)
+#define atomic_dec(v) (void) atomic_sub_return(1, v)
#define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)