Introduce pci_is_pcie() which returns true if the specified PCI device
is PCI Express capable, false otherwise.
The purpose of pci_is_pcie() is removing 'is_pcie' flag in the struct
pci_dev, which is not needed because we can check it using 'pcie_cap'
field. To remove 'is_pcie', we need to update user of 'is_pcie' to use
pci_is_pcie() instead first.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>
---
include/linux/pci.h | 11 +++++++++++
1 file changed, 11 insertions(+)
Index: 20091110/include/linux/pci.h
===================================================================
--- 20091110.orig/include/linux/pci.h
+++ 20091110/include/linux/pci.h
@@ -1317,5 +1317,16 @@ static inline int pci_pcie_cap(struct pc
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 */
--
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