PCI_L1SS_CTL1_PCIPM_L1_2
if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
if (parent_l1ss_ctl1 & child_l1ss_ctl1 & PCI_L1SS_CTL1_PCIPM_L1_2)
val |= PCI_L1SS_CTL1_PCIPM_L1_2;