PCI: remove pci_bus_find_ext_capability() (unused)

pci_bus_find_ext_capability() is unused, and this patch removes it.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 0 insertions, 43 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 447e83472c01..de9386da2eb2 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -329,49 +329,6 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap)
 }
 EXPORT_SYMBOL_GPL(pci_find_ext_capability);
 
-/**
- * pci_bus_find_ext_capability - find an extended capability
- * @bus:   the PCI bus to query
- * @devfn: PCI device to query
- * @cap:   capability code
- *
- * Like pci_find_ext_capability() but works for pci devices that do not have a
- * pci_dev structure set up yet.
- *
- * Returns the address of the requested capability structure within the
- * device's PCI configuration space or 0 in case the device does not
- * support it.
- */
-int pci_bus_find_ext_capability(struct pci_bus *bus, unsigned int devfn,
-                                int cap)
-{
-        u32 header;
-        int ttl;
-        int pos = PCI_CFG_SPACE_SIZE;
-
-        /* minimum 8 bytes per capability */
-        ttl = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
-
-        if (!pci_bus_read_config_dword(bus, devfn, pos, &header))
-                return 0;
-        if (header == 0xffffffff || header == 0)
-                return 0;
-
-        while (ttl-- > 0) {
-                if (PCI_EXT_CAP_ID(header) == cap)
-                        return pos;
-
-                pos = PCI_EXT_CAP_NEXT(header);
-                if (pos < PCI_CFG_SPACE_SIZE)
-                        break;
-
-                if (!pci_bus_read_config_dword(bus, devfn, pos, &header))
-                        break;
-        }
-
-        return 0;
-}
-
 static int __pci_find_next_ht_cap(struct pci_dev *dev, int pos, int ht_cap)
 {
         int rc, ttl = PCI_FIND_CAP_TTL;