miiport_read
return miiport_read(dev, np->phy_addr_external, reg);
tmp = miiport_read(dev, i, MII_BMSR);
data->val_out = miiport_read(dev, data->phy_id & 0x1f,
static int miiport_read(struct net_device *dev, int phy_id, int reg);