HW_DATA_BUS_WIDTH
[HW_DATA_BUS_WIDTH] = REG_FIELD(ISP176x_HC_HW_MODE_CTRL, 8, 8),
[HW_DATA_BUS_WIDTH] = REG_FIELD(ISP1763_HC_HW_MODE_CTRL, 4, 4),
isp1760_field_clear(hcd->fields, HW_DATA_BUS_WIDTH);
isp1760_field_set(hcd->fields, HW_DATA_BUS_WIDTH);