dwc2_max_desc_num
dwc2_max_desc_num(qh));
ntd_max = (dwc2_max_desc_num(qh) + qh->host_interval - 1) /
dwc2_max_desc_num(qh);
qh->n_bytes = kcalloc(dwc2_max_desc_num(qh), sizeof(u32), flags);
chan->ntd = dwc2_max_desc_num(qh);