pci_find_next_capability
EXPORT_SYMBOL_GPL(pci_find_next_capability);
pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_VNDR)) {
pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_VNDR)) {
u8 pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);