-/**
- * shpchp_slot_create - Creates a node and adds it to the proper bus.
- * @busnumber - bus where new node is to be located
- *
- * Returns pointer to the new node or NULL if unsuccessful
- */
-struct pci_func *shpchp_slot_create(u8 busnumber)
-{
- struct pci_func *new_slot;
- struct pci_func *next;
-
- new_slot = kmalloc(sizeof(*new_slot), GFP_KERNEL);
-
- if (new_slot == NULL) {
- return(new_slot);
- }
-
- memset(new_slot, 0, sizeof(struct pci_func));
-
- new_slot->next = NULL;
- new_slot->configured = 1;
-
- if (shpchp_slot_list[busnumber] == NULL) {
- shpchp_slot_list[busnumber] = new_slot;
- } else {
- next = shpchp_slot_list[busnumber];
- while (next->next != NULL)
- next = next->next;
- next->next = new_slot;
- }
- return(new_slot);
-}
-
-
-/*
- * slot_remove - Removes a node from the linked list of slots.
- * @old_slot: slot to remove
- *
- * Returns 0 if successful, !0 otherwise.
- */
-static int slot_remove(struct pci_func * old_slot)
-{
- struct pci_func *next;
-
- if (old_slot == NULL)
- return(1);
-
- next = shpchp_slot_list[old_slot->bus];
-
- if (next == NULL) {
- return(1);
- }
-
- if (next == old_slot) {
- shpchp_slot_list[old_slot->bus] = old_slot->next;
- kfree(old_slot);
- return(0);
- }
-
- while ((next->next != old_slot) && (next->next != NULL)) {
- next = next->next;
- }
-
- if (next->next == old_slot) {
- next->next = old_slot->next;
- kfree(old_slot);
- return(0);
- } else
- return(2);
-}
-
-
-/**
- * bridge_slot_remove - Removes a node from the linked list of slots.
- * @bridge: bridge to remove
- * @secondaryBus: secondary PCI bus number for bridge being removed
- * @subordinateBus: subordinate PCI bus number for bridge being removed
- *
- * Returns 0 if successful, !0 otherwise.
- */
-static int bridge_slot_remove(struct pci_func *bridge, u8 secondaryBus,
- u8 subordinateBus)
-{
- u8 tempBus;
- struct pci_func *next;
-
- if (bridge == NULL)
- return(1);
-
- for (tempBus = secondaryBus; tempBus <= subordinateBus; tempBus++) {
- next = shpchp_slot_list[tempBus];
-
- while (!slot_remove(next)) {
- next = shpchp_slot_list[tempBus];
- }
- }
-
- next = shpchp_slot_list[bridge->bus];
-
- if (next == NULL) {
- return(1);
- }
-
- if (next == bridge) {
- shpchp_slot_list[bridge->bus] = bridge->next;
- kfree(bridge);
- return(0);
- }
-
- while ((next->next != bridge) && (next->next != NULL)) {
- next = next->next;
- }
-
- if (next->next == bridge) {
- next->next = bridge->next;
- kfree(bridge);
- return(0);
- } else
- return(2);
-}
-
-
-/**
- * shpchp_slot_find - Looks for a node by bus, and device, multiple functions accessed
- * @bus: bus to find
- * @device: device to find
- * @index: is 0 for first function found, 1 for the second...
- *
- * Returns pointer to the node if successful, %NULL otherwise.
- */
-struct pci_func *shpchp_slot_find(u8 bus, u8 device, u8 index)
-{
- int found = -1;
- struct pci_func *func;
-
- func = shpchp_slot_list[bus];
-
- if ((func == NULL) || ((func->device == device) && (index == 0)))
- return(func);
-
- if (func->device == device)
- found++;
-
- while (func->next != NULL) {
- func = func->next;
-
- if (func->device == device)
- found++;
-
- if (found == index)
- return(func);
- }
-
- return(NULL);
-}
-
-static int is_bridge(struct pci_func *func, struct controller *ctrl)
-{
- u8 hdr_type;
- struct pci_bus *bus = ctrl->pci_dev->subordinate;
-
- /*
- * Note: device may have just been hot-added and not yet scanned
- * by the pci core, so its pci_dev structure may not exist yet
- */
- pci_bus_read_config_byte(bus, PCI_DEVFN(func->device, func->function),
- PCI_HEADER_TYPE, &hdr_type);
- if ((hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE)
- return 1;
- else
- return 0;
-}
-