taglinefilesource code
drv_famT3127drivers/cdrom/sbpcd.cD_S[d].drv_type=drv_famT;
drv_famT342include/linux/sbpcd.h#define famT_drive  (D_S[d].drv_type&drv_famT)
drv_famT347include/linux/sbpcd.h#define fam2T_drive  (D_S[d].drv_type&(drv_fam2|drv_famT))