diff options
| -rw-r--r-- | drivers/pci/hotplug/rpaphp_pci.c | 96 |
1 files changed, 33 insertions, 63 deletions
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c index b6a991ab9b7..6417b7074ed 100644 --- a/drivers/pci/hotplug/rpaphp_pci.c +++ b/drivers/pci/hotplug/rpaphp_pci.c @@ -92,64 +92,15 @@ static void set_slot_name(struct slot *slot) bus->number); } -static int setup_pci_slot(struct slot *slot) -{ - struct device_node *dn = slot->dn; - struct pci_bus *bus; - - BUG_ON(!dn); - bus = pcibios_find_pci_bus(dn); - if (!bus) { - err("%s: no pci_bus for dn %s\n", __FUNCTION__, dn->full_name); - goto exit_rc; - } - - slot->bus = bus; - slot->pci_devs = &bus->devices; - set_slot_name(slot); - - /* find slot's pci_dev if it's not empty */ - if (slot->hotplug_slot->info->adapter_status == EMPTY) { - slot->state = EMPTY; /* slot is empty */ - } else { - /* slot is occupied */ - if (!dn->child) { - /* non-empty slot has to have child */ - err("%s: slot[%s]'s device_node doesn't have child for adapter\n", - __FUNCTION__, slot->name); - goto exit_rc; - } - - if (slot->hotplug_slot->info->adapter_status == NOT_CONFIGURED) { - dbg("%s CONFIGURING pci adapter in slot[%s]\n", - __FUNCTION__, slot->name); - pcibios_add_pci_devices(slot->bus); - - } else if (slot->hotplug_slot->info->adapter_status != CONFIGURED) { - err("%s: slot[%s]'s adapter_status is NOT_VALID.\n", - __FUNCTION__, slot->name); - goto exit_rc; - } - print_slot_pci_funcs(slot->bus); - if (!list_empty(slot->pci_devs)) { - slot->state = CONFIGURED; - } else { - /* DLPAR add as opposed to - * boot time */ - slot->state = NOT_CONFIGURED; - } - } - return 0; -exit_rc: - return -EINVAL; -} - int rpaphp_register_pci_slot(struct slot *slot) { int rc, level, state; struct pci_bus *bus; struct hotplug_slot_info *info = slot->hotplug_slot->info; + info->adapter_status = NOT_VALID; + slot->state = EMPTY; + /* Find out if the power is turned on for the slot */ rc = rtas_get_power_level(slot->power_domain, &level); if (rc) @@ -157,23 +108,42 @@ int rpaphp_register_pci_slot(struct slot *slot) info->power_status = level; /* Figure out if there is an adapter in the slot */ - info->adapter_status = NOT_VALID; rc = rpaphp_get_sensor_state(slot, &state); if (rc) return rc; - if (state == EMPTY) - info->adapter_status = EMPTY; - else if (state == PRESENT) { - bus = pcibios_find_pci_bus(slot->dn); - if (bus && !list_empty(&bus->devices)) - info->adapter_status = CONFIGURED; - else - info->adapter_status = NOT_CONFIGURED; + bus = pcibios_find_pci_bus(slot->dn); + if (!bus) { + err("%s: no pci_bus for dn %s\n", __FUNCTION__, slot->dn->full_name); + return -EINVAL; } - if (setup_pci_slot(slot)) - return -EINVAL; + info->adapter_status = EMPTY; + slot->bus = bus; + slot->pci_devs = &bus->devices; + set_slot_name(slot); + + /* if there's an adapter in the slot, go add the pci devices */ + if (state == PRESENT) { + info->adapter_status = NOT_CONFIGURED; + slot->state = NOT_CONFIGURED; + + /* non-empty slot has to have child */ + if (!slot->dn->child) { + err("%s: slot[%s]'s device_node doesn't have child for adapter\n", + __FUNCTION__, slot->name); + return -EINVAL; + } + + if (list_empty(&bus->devices)) + pcibios_add_pci_devices(bus); + + print_slot_pci_funcs(bus); + if (!list_empty(&bus->devices)) { + info->adapter_status = CONFIGURED; + slot->state = CONFIGURED; + } + } return rpaphp_register_slot(slot); } |