disable_hc_int
disable_hc_int(hsotg, chnum, HCINTMSK_XFERCOMPL);
disable_hc_int(hsotg, chnum, HCINTMSK_STALL);
disable_hc_int(hsotg, chnum, HCINTMSK_NAK);
disable_hc_int(hsotg, chnum, HCINTMSK_ACK);
disable_hc_int(hsotg, chnum, HCINTMSK_NYET);
disable_hc_int(hsotg, chnum, HCINTMSK_BBLERR);
disable_hc_int(hsotg, chnum, HCINTMSK_AHBERR);
disable_hc_int(hsotg, chnum, HCINTMSK_XACTERR);
disable_hc_int(hsotg, chnum, HCINTMSK_FRMOVRUN);
disable_hc_int(hsotg, chnum, HCINTMSK_DATATGLERR);
disable_hc_int(hsotg, chnum, HCINTMSK_CHHLTD);