temac_iow
void (*temac_iow)(struct temac_local *lp, int offset, u32 value);
#define temac_iow(lp, o, v) ((lp)->temac_iow(lp, o, v))
lp->temac_iow = _temac_iow_le;
lp->temac_iow = _temac_iow_be;
temac_iow(lp, XTE_CTL0_OFFSET, reg);
temac_iow(lp, XTE_LSW0_OFFSET, value);
temac_iow(lp, XTE_CTL0_OFFSET, CNTLREG_WRITE_ENABLE_MASK | reg);
temac_iow(lp, XTE_LSW0_OFFSET, (phy_id << 5) | reg);