DSP56K_MAJOR 503 drivers/char/dsp56k.c if(register_chrdev(DSP56K_MAJOR, "dsp56k", &dsp56k_fops)) { DSP56K_MAJOR 512 drivers/char/dsp56k.c device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), NULL, DSP56K_MAJOR 519 drivers/char/dsp56k.c unregister_chrdev(DSP56K_MAJOR, "dsp56k"); DSP56K_MAJOR 527 drivers/char/dsp56k.c device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0)); DSP56K_MAJOR 529 drivers/char/dsp56k.c unregister_chrdev(DSP56K_MAJOR, "dsp56k");