PCI_EXP_SLTCAP_HPC
val &= ~PCI_EXP_SLTCAP_HPC;
FLAG(slot_cap, PCI_EXP_SLTCAP_HPC),
if (slot_cap & PCI_EXP_SLTCAP_HPC &&
if (reg32 & PCI_EXP_SLTCAP_HPC)