diff options
| author | Alex Williamson <alex.williamson@redhat.com> | 2014-09-22 14:46:13 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-09-22 14:46:13 -0600 |
| commit | bee3f304435a9c8c70b135083e23516872a17c98 (patch) | |
| tree | 306d0fd6a05cfa69e4cb409d07030f6aff876f62 | |
| parent | be63497c413e22d5abdf32313f4b469af6aa7f4c (diff) | |
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>
| -rw-r--r-- | drivers/pci/search.c | 34 | ||||
| -rw-r--r-- | include/linux/pci.h | 11 |
2 files changed, 0 insertions, 45 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; diff --git a/include/linux/pci.h b/include/linux/pci.h index 92c131efec1c..bf5a47c0cb42 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1828,17 +1828,6 @@ int pci_for_each_dma_alias(struct pci_dev *pdev, int (*fn)(struct pci_dev *pdev, u16 alias, void *data), void *data); -/** - * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device - * @pdev: the 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); - /* helper functions for operation of device flag */ static inline void pci_set_dev_assigned(struct pci_dev *pdev) { |