t4_os_pci_read_cfg2
t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_LNKSTA, &val);
t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, &val);
t4_os_pci_read_cfg2(adapter, PCI_DEVICE_ID, &device_id);
t4_os_pci_read_cfg2(adap, PCI_DEVICE_ID, &device_id);
t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val);