ub960_read16
ret = ub960_read16(priv, UB960_SR_CSI_FRAME_COUNT_HI(nport),
ret = ub960_read16(priv, UB960_SR_CSI_FRAME_ERR_COUNT_HI(nport),
ret = ub960_read16(priv, UB960_SR_CSI_LINE_COUNT_HI(nport),
ret = ub960_read16(priv, UB960_SR_CSI_LINE_ERR_COUNT_HI(nport),