netsec_phy_read
data = netsec_phy_read(priv->mii_bus, priv->phy_addr, MII_BMCR);
bus->read = netsec_phy_read;
static int netsec_phy_read(struct mii_bus *bus, int phy_addr, int reg_addr);
netsec_phy_read(bus, phy_addr, MII_PHYSID1);