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-rw-r--r--include/linux/pci.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 15f37f102dd..2891c3d3e51 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1317,5 +1317,16 @@ static inline int pci_pcie_cap(struct pci_dev *dev)
return dev->pcie_cap;
}
+/**
+ * pci_is_pcie - check if the PCI device is PCI Express capable
+ * @dev: PCI device
+ *
+ * Retrun true if the PCI device is PCI Express capable, false otherwise.
+ */
+static inline bool pci_is_pcie(struct pci_dev *dev)
+{
+ return !!pci_pcie_cap(dev);
+}
+
#endif /* __KERNEL__ */
#endif /* LINUX_PCI_H */