void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r);
void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r);
-extern struct semaphore mon_lock;
+/*
+ */
+extern char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len);
+
+extern struct mutex mon_lock;
extern struct file_operations mon_fops_text;
extern struct file_operations mon_fops_stat;