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authorAlex Williamson <alex.williamson@redhat.com>2014-09-22 14:46:13 -0600
committerBjorn Helgaas <bhelgaas@google.com>2014-09-22 14:46:13 -0600
commitbee3f304435a9c8c70b135083e23516872a17c98 (patch)
tree306d0fd6a05cfa69e4cb409d07030f6aff876f62 /drivers/pci/search.c
parentbe63497c413e22d5abdf32313f4b469af6aa7f4c (diff)
downloadlinux-bee3f304435a9c8c70b135083e23516872a17c98.tar.bz2
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>
Diffstat (limited to 'drivers/pci/search.c')
-rw-r--r--drivers/pci/search.c34
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;