cam_extend_release
void cam_extend_release(struct extend_array *ea, int index);
cam_extend_release(cdperiphs, periph->unit_number);
cam_extend_release(chperiphs, periph->unit_number);
cam_extend_release(daperiphs, periph->unit_number);
cam_extend_release(passperiphs, periph->unit_number);
cam_extend_release(ptperiphs, periph->unit_number);
cam_extend_release(saperiphs, periph->unit_number);
cam_extend_release(sesperiphs, periph->unit_number);