IGU_NORM_NDSB_NUM_SEGS
num_segs = IGU_NORM_NDSB_NUM_SEGS;
num_segs = (INTR_BLK_MODE(pdev) == INTR_BLK_MODE_BC)? IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;