mii_bitbang_writereg
mii_bitbang_writereg(dev, &bmac_mbo, phy, reg, val);
mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
mii_bitbang_writereg(self, ops, phy, reg, val);
mii_bitbang_writereg(self, &smc91cxx_mii_bitbang_ops, phy, reg, val);
void mii_bitbang_writereg(struct device *, mii_bitbang_ops_t,
mii_bitbang_writereg(self, &stge_mii_bitbang_ops, phy, reg, val);