#ifndef _LINUX_KDEV_T_H #define _LINUX_KDEV_T_H #define MINORBITS 20 #define MINORMASK ((1U << MINORBITS) - 1) #define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS)) #define MINOR(dev) ((unsigned int) ((dev) & MINORMASK)) #define MKDEV(ma, mi) (((ma) << MINORBITS) | (mi)) #define module_param(a, b, c) #endif