sk_xmac_miibus_readreg
status = sk_xmac_miibus_readreg(sc_if, SK_PHYADDR_BCOM, BRGPHY_MII_ISR);
lstat = sk_xmac_miibus_readreg(sc_if, SK_PHYADDR_BCOM,
static int sk_xmac_miibus_readreg(struct sk_if_softc *, int, int);
if (sk_xmac_miibus_readreg(sc_if, SK_PHYADDR_BCOM, 0x03)
return sk_xmac_miibus_readreg(sc_if, phy, reg);