Merge branches 'pci/enumeration', 'pci/misc' and 'pci/virtualization' into next

[firefly-linux-kernel-4.4.55.git] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 61978a4608412896a3f199024c9c7b7d349c152d..d868c08eea63c8c1d9a05715e5d9a08c64e8d4eb 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -45,7 +45,7 @@
  * In the interest of not exposing interfaces to user-space unnecessarily,
  * the following kernel-only defines are being added here.
  */
-#define PCI_DEVID(bus, devfn)  ((((u16)bus) << 8) | devfn)
+#define PCI_DEVID(bus, devfn)  ((((u16)(bus)) << 8) | (devfn))
 /* return bus from PCI devid = ((u16)bus_number) << 8) | devfn */
 #define PCI_BUS_NUM(x) (((x) >> 8) & 0xff)
 
@@ -1701,7 +1701,7 @@ bool pci_acs_path_enabled(struct pci_dev *start,
                          struct pci_dev *end, u16 acs_flags);
 
 #define PCI_VPD_LRDT                   0x80    /* Large Resource Data Type */
-#define PCI_VPD_LRDT_ID(x)             (x | PCI_VPD_LRDT)
+#define PCI_VPD_LRDT_ID(x)             ((x) | PCI_VPD_LRDT)
 
 /* Large Resource Data Type Tag Item Names */
 #define PCI_VPD_LTIN_ID_STRING         0x02    /* Identifier String */
@@ -1839,4 +1839,17 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
  */
 struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);
 
+/* helper functions for operation of device flag */
+static inline void pci_set_dev_assigned(struct pci_dev *pdev)
+{
+       pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
+}
+static inline void pci_clear_dev_assigned(struct pci_dev *pdev)
+{
+       pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
+}
+static inline bool pci_is_dev_assigned(struct pci_dev *pdev)
+{
+       return (pdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) == PCI_DEV_FLAGS_ASSIGNED;
+}
 #endif /* LINUX_PCI_H */