===================================================================
@@ -1301,5 +1301,21 @@ extern void pci_hp_create_module_link(st
extern void pci_hp_remove_module_link(struct pci_slot *pci_slot);
#endif
+/**
+ * pci_pcie_cap - get the saved PCIe capability offset
+ * @dev: PCI device
+ *
+ * PCIe capability offset is calculated at PCI device initialization
+ * time and saved in the data structure. This function returns saved
+ * PCIe capability offset. Using this instead of pci_find_capability()
+ * reduces unnecessary search in the PCI configuration space. If you
+ * need to calculate PCIe capability offset from raw device for some
+ * reasons, please use pci_find_capability() instead.
+ */
+static inline int pci_pcie_cap(struct pci_dev *dev)
+{
+ return dev->pcie_cap;
+}
+
#endif /* __KERNEL__ */
#endif /* LINUX_PCI_H */