PCI: Make pcie_downstream_port() available outside of access.c

pcie_downstream_port() is useful in other places where code needs to
determine whether the PCIe port is downstream so make it available outside
of access.c.

Link: https://lore.kernel.org/r/20190822085553.62697-1-mika.westerberg@linux.intel.com
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 544922f097c044a7e434d679ddddf588f72e8467..2fccb5762c762cf34a503a96e6971760d8964bfb 100644 (file)
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -336,15 +336,6 @@ static inline int pcie_cap_version(const struct pci_dev *dev)
        return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;
 }
 
-static bool pcie_downstream_port(const struct pci_dev *dev)
-{
-       int type = pci_pcie_type(dev);
-
-       return type == PCI_EXP_TYPE_ROOT_PORT ||
-              type == PCI_EXP_TYPE_DOWNSTREAM ||
-              type == PCI_EXP_TYPE_PCIE_BRIDGE;
-}
-
 bool pcie_cap_has_lnkctl(const struct pci_dev *dev)
 {
        int type = pci_pcie_type(dev);

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 97180274c60b7047f8d926a008456e0ee8adf35b..ce9f4d3ca075168d18a9d3856addb860e2bf4489 100644 (file)
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -118,6 +118,15 @@ static inline bool pci_power_manageable(struct pci_dev *pci_dev)
        return !pci_has_subordinate(pci_dev) || pci_dev->bridge_d3;
 }
 
+static inline bool pcie_downstream_port(const struct pci_dev *dev)
+{
+       int type = pci_pcie_type(dev);
+
+       return type == PCI_EXP_TYPE_ROOT_PORT ||
+              type == PCI_EXP_TYPE_DOWNSTREAM ||
+              type == PCI_EXP_TYPE_PCIE_BRIDGE;
+}
+
 int pci_vpd_init(struct pci_dev *dev);
 void pci_vpd_release(struct pci_dev *dev);
 void pcie_vpd_create_sysfs_dev_files(struct pci_dev *dev);