Edit File: phonedev.h
#ifndef __LINUX_PHONEDEV_H #define __LINUX_PHONEDEV_H #include <linux/types.h> #ifdef __KERNEL__ #include <linux/poll.h> struct phone_device { struct phone_device *next; const struct file_operations *f_op; int (*open) (struct phone_device *, struct file *); int board; /* Device private index */ int minor; }; extern int phonedev_init(void); #define PHONE_MAJOR 100 extern int phone_register_device(struct phone_device *, int unit); #define PHONE_UNIT_ANY -1 extern void phone_unregister_device(struct phone_device *); #endif #endif