field_desc_show
field_desc_show(seq, *p, tp_la0);
field_desc_show(seq, p[0], tp_la0);
field_desc_show(seq, p[1], tp_la0);
field_desc_show(seq, p[0], tp_la0);
field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);