static void set_pcie_thunderbolt(struct pci_dev *dev)
{
- int vsec = 0;
- u32 header;
+ u16 vsec;
- while ((vsec = pci_find_next_ext_capability(dev, vsec,
- PCI_EXT_CAP_ID_VNDR))) {
- pci_read_config_dword(dev, vsec + PCI_VNDR_HEADER, &header);
-
- /* Is the device part of a Thunderbolt controller? */
- if (dev->vendor == PCI_VENDOR_ID_INTEL &&
- PCI_VNDR_HEADER_ID(header) == PCI_VSEC_ID_INTEL_TBT) {
- dev->is_thunderbolt = 1;
- return;
- }
- }
+ /* Is the device part of a Thunderbolt controller? */
+ vsec = pci_find_vsec_capability(dev, PCI_VENDOR_ID_INTEL, PCI_VSEC_ID_INTEL_TBT);
+ if (vsec)
+ dev->is_thunderbolt = 1;
}
static void set_pcie_untrusted(struct pci_dev *dev)