diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 90 |
1 files changed, 50 insertions, 40 deletions
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 8df70486034..986e202e0b0 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -103,7 +103,10 @@ static void release_slot(struct hotplug_slot *hotplug_slot) static int init_slots(struct controller *ctrl) { - struct slot *new_slot; + struct slot *slot; + struct hpc_ops *hpc_ops; + struct hotplug_slot *hotplug_slot; + struct hotplug_slot_info *hotplug_slot_info; u8 number_of_slots; u8 slot_device; u32 slot_number; @@ -114,59 +117,66 @@ static int init_slots(struct controller *ctrl) slot_number = ctrl->first_slot; while (number_of_slots) { - new_slot = kmalloc(sizeof(*new_slot), GFP_KERNEL); - if (!new_slot) + slot = kmalloc(sizeof(*slot), GFP_KERNEL); + if (!slot) goto error; - memset(new_slot, 0, sizeof(struct slot)); - new_slot->hotplug_slot = - kmalloc(sizeof(*(new_slot->hotplug_slot)), + memset(slot, 0, sizeof(struct slot)); + slot->hotplug_slot = + kmalloc(sizeof(*(slot->hotplug_slot)), GFP_KERNEL); - if (!new_slot->hotplug_slot) + if (!slot->hotplug_slot) goto error_slot; - memset(new_slot->hotplug_slot, 0, sizeof(struct hotplug_slot)); + hotplug_slot = slot->hotplug_slot; + memset(hotplug_slot, 0, sizeof(struct hotplug_slot)); - new_slot->hotplug_slot->info = - kmalloc(sizeof(*(new_slot->hotplug_slot->info)), + hotplug_slot->info = + kmalloc(sizeof(*(hotplug_slot->info)), GFP_KERNEL); - if (!new_slot->hotplug_slot->info) + if (!hotplug_slot->info) goto error_hpslot; - memset(new_slot->hotplug_slot->info, 0, + hotplug_slot_info = hotplug_slot->info; + memset(hotplug_slot_info, 0, sizeof(struct hotplug_slot_info)); - new_slot->hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, - GFP_KERNEL); - if (!new_slot->hotplug_slot->name) + hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL); + if (!hotplug_slot->name) goto error_info; - new_slot->ctrl = ctrl; - new_slot->bus = ctrl->slot_bus; - new_slot->device = slot_device; - new_slot->hpc_ops = ctrl->hpc_ops; + slot->ctrl = ctrl; + slot->bus = ctrl->slot_bus; + slot->device = slot_device; + slot->hpc_ops = hpc_ops = ctrl->hpc_ops; - new_slot->number = ctrl->first_slot; - new_slot->hp_slot = slot_device - ctrl->slot_device_offset; + slot->number = ctrl->first_slot; + slot->hp_slot = slot_device - ctrl->slot_device_offset; /* register this slot with the hotplug pci core */ - new_slot->hotplug_slot->private = new_slot; - new_slot->hotplug_slot->release = &release_slot; - make_slot_name(new_slot->hotplug_slot->name, SLOT_NAME_SIZE, new_slot); - new_slot->hotplug_slot->ops = &pciehp_hotplug_slot_ops; - - new_slot->hpc_ops->get_power_status(new_slot, &(new_slot->hotplug_slot->info->power_status)); - new_slot->hpc_ops->get_attention_status(new_slot, &(new_slot->hotplug_slot->info->attention_status)); - new_slot->hpc_ops->get_latch_status(new_slot, &(new_slot->hotplug_slot->info->latch_status)); - new_slot->hpc_ops->get_adapter_status(new_slot, &(new_slot->hotplug_slot->info->adapter_status)); - - dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x slot_device_offset=%x\n", - new_slot->bus, new_slot->device, new_slot->hp_slot, new_slot->number, ctrl->slot_device_offset); - result = pci_hp_register (new_slot->hotplug_slot); + hotplug_slot->private = slot; + hotplug_slot->release = &release_slot; + make_slot_name(hotplug_slot->name, SLOT_NAME_SIZE, slot); + hotplug_slot->ops = &pciehp_hotplug_slot_ops; + + hpc_ops->get_power_status(slot, + &(hotplug_slot_info->power_status)); + hpc_ops->get_attention_status(slot, + &(hotplug_slot_info->attention_status)); + hpc_ops->get_latch_status(slot, + &(hotplug_slot_info->latch_status)); + hpc_ops->get_adapter_status(slot, + &(hotplug_slot_info->adapter_status)); + + dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x " + "slot_device_offset=%x\n", + slot->bus, slot->device, slot->hp_slot, slot->number, + ctrl->slot_device_offset); + result = pci_hp_register(hotplug_slot); if (result) { err ("pci_hp_register failed with error %d\n", result); goto error_name; } - new_slot->next = ctrl->slot; - ctrl->slot = new_slot; + slot->next = ctrl->slot; + ctrl->slot = slot; number_of_slots--; slot_device++; @@ -176,13 +186,13 @@ static int init_slots(struct controller *ctrl) return 0; error_name: - kfree(new_slot->hotplug_slot->name); + kfree(hotplug_slot->name); error_info: - kfree(new_slot->hotplug_slot->info); + kfree(hotplug_slot_info); error_hpslot: - kfree(new_slot->hotplug_slot); + kfree(hotplug_slot); error_slot: - kfree(new_slot); + kfree(slot); error: return result; } |