il_cfg
struct il_cfg *cfg = (struct il_cfg *)(ent->driver_data);
static const struct il_cfg il3945_bg_cfg = {
static const struct il_cfg il3945_abg_cfg = {
struct il_cfg *cfg = (struct il_cfg *)(ent->driver_data);
struct il_cfg il4965_cfg = {
extern struct il_cfg il4965_cfg;
struct il_cfg *cfg;