dw_mci_push_part_bytes
int len = dw_mci_push_part_bytes(host, buf, cnt);
int len = dw_mci_push_part_bytes(host, buf, cnt);
int len = dw_mci_push_part_bytes(host, buf, cnt);
int len = dw_mci_push_part_bytes(host, buf, cnt);