wm_sgmii_uses_mdio
static bool wm_sgmii_uses_mdio(struct wm_softc *);
if (((sc->sc_flags & WM_F_SGMII) != 0) && !wm_sgmii_uses_mdio(sc)) {
if (wm_sgmii_uses_mdio(sc)) {
if (wm_sgmii_uses_mdio(sc)) {
if (!wm_sgmii_uses_mdio(sc))