ISP176x_DC_DATAPORT
*buf = isp1760_udc_read_raw(udc, ISP176x_DC_DATAPORT);
*(u16 *)buf = isp1760_udc_read_raw16(udc, ISP176x_DC_DATAPORT);
isp1760_udc_write_raw(udc, ISP176x_DC_DATAPORT, *buf);
isp1760_udc_write_raw16(udc, ISP176x_DC_DATAPORT, *(u16 *)buf);
isp1760_udc_write_raw16(udc, ISP176x_DC_DATAPORT, status);
req.data[0] = isp1760_udc_read_raw(udc, ISP176x_DC_DATAPORT);
req.data[1] = isp1760_udc_read_raw(udc, ISP176x_DC_DATAPORT);