PCI: Remove unused pci_find_upstream_pcie_bridge()

pci_find_upstream_pcie_bridge() is unused, so remove it.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 0 insertions, 34 deletions

diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 827ad831f1dd..a81f413083e4 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -103,40 +103,6 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
         return ret;
 }
 
-/*
- * find the upstream PCIe-to-PCI bridge of a PCI device
- * if the device is PCIE, return NULL
- * if the device isn't connected to a PCIe bridge (that is its parent is a
- * legacy PCI bridge and the bridge is directly connected to bus 0), return its
- * parent
- */
-struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev)
-{
-        struct pci_dev *tmp = NULL;
-
-        if (pci_is_pcie(pdev))
-                return NULL;
-        while (1) {
-                if (pci_is_root_bus(pdev->bus))
-                        break;
-                pdev = pdev->bus->self;
-                /* a p2p bridge */
-                if (!pci_is_pcie(pdev)) {
-                        tmp = pdev;
-                        continue;
-                }
-                /* PCI device should connect to a PCIe bridge */
-                if (pci_pcie_type(pdev) != PCI_EXP_TYPE_PCI_BRIDGE) {
-                        /* Busted hardware? */
-                        WARN_ON_ONCE(1);
-                        return NULL;
-                }
-                return pdev;
-        }
-
-        return tmp;
-}
-
 static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr)
 {
         struct pci_bus *child;