set_speed
hw_if->set_speed = xgbe_set_speed;
pdata->hw_if.set_speed(pdata, SPEED_10000);
pdata->hw_if.set_speed(pdata, SPEED_2500);
pdata->hw_if.set_speed(pdata, SPEED_1000);
pdata->hw_if.set_speed(pdata, SPEED_10000);
pdata->hw_if.set_speed(pdata, SPEED_1000);
pdata->hw_if.set_speed(pdata, SPEED_1000);
pdata->hw_if.set_speed(pdata, SPEED_1000);
int (*set_speed)(struct xgbe_prv_data *, int);
if_dwc_rk_set_speedfn_t set_speed;
.set_speed = rk3328_set_speed,
.set_speed = rk3399_set_speed,
if (sc->ops->set_speed)
return sc->ops->set_speed(sc, speed);
err = set_speed(hdev, &opt);
static int set_speed(int hdev, struct spi_options *popt);