#ifndef _XTENSA_ATOMIC_H
#define _XTENSA_ATOMIC_H
-#include <linux/config.h>
#include <linux/stringify.h>
typedef struct { volatile int counter; } atomic_t;
#define atomic_add_negative(i,v) (atomic_add_return((i),(v)) < 0)
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value