1*53ee8cc1Swenshuai.xi #ifndef _LINUX_KDEV_T_H 2*53ee8cc1Swenshuai.xi #define _LINUX_KDEV_T_H 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi /* 5*53ee8cc1Swenshuai.xi Some programs want their definitions of MAJOR and MINOR and MKDEV 6*53ee8cc1Swenshuai.xi from the kernel sources. These must be the externally visible ones. 7*53ee8cc1Swenshuai.xi */ 8*53ee8cc1Swenshuai.xi #define MAJOR(dev) ((dev)>>8) 9*53ee8cc1Swenshuai.xi #define MINOR(dev) ((dev) & 0xff) 10*53ee8cc1Swenshuai.xi #define MKDEV(ma,mi) ((ma)<<8 | (mi)) 11*53ee8cc1Swenshuai.xi #endif 12