pciehp_request
void pciehp_request(struct controller *ctrl, int action);
pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);
pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);
pciehp_request(ctrl, DISABLE_SLOT);
pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);
pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);
pciehp_request(ctrl, DISABLE_SLOT);
pciehp_request(ctrl, ignored_events);
pciehp_request(ctrl, PCI_EXP_SLTSTA_DLLSC);