Config2
r8169_mod_reg8_cond(tp, Config2, PME_SIGNAL, wolopts);
if (RTL_R8(tp, Config2) & PCI_Clock_66MHz)
RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable);
val = RTL_R8(tp, Config2);
RTL_W8(tp, Config2, (val & ~clear) | set);