mtkswitch_phy_write
return (sc->hal.mtkswitch_phy_write(dev, phy, reg, val));
sc->hal.mtkswitch_phy_write = mtkswitch_phy_write;
sc->hal.mtkswitch_phy_write = mtkswitch_phy_write;
int (* mtkswitch_phy_write) (device_t, int, int, int);