#ifndef __ASM_ARM_ATOMIC_H
#define __ASM_ARM_ATOMIC_H
-#include <linux/config.h>
#include <linux/compiler.h>
typedef struct { volatile int counter; } atomic_t;
#endif /* __LINUX_ARM_ARCH__ */
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;