pci/hotplug/rpaphp_slot.c

22 /* free up the memory used by a slot */
23 void dealloc_slot_struct(struct slot *slot)
25 	of_node_put(slot->dn);
26 	kfree(slot->name);
27 	kfree(slot);
30 struct slot *alloc_slot_struct(struct device_node *dn,
33 	struct slot *slot;
35 	slot = kzalloc(sizeof(struct slot), GFP_KERNEL);
36 	if (!slot)
38 	slot->name = kstrdup(drc_name, GFP_KERNEL);
39 	if (!slot->name)
41 	slot->dn = of_node_get(dn);
42 	slot->index = drc_index;
43 	slot->power_domain = power_domain;
44 	slot->hotplug_slot.ops = &rpaphp_hotplug_slot_ops;
46 	return (slot);
49 	kfree(slot);
54 static int is_registered(struct slot *slot)
56 	struct slot *tmp_slot;
59 		if (!strcmp(tmp_slot->name, slot->name))
65 int rpaphp_deregister_slot(struct slot *slot)
68 	struct hotplug_slot *php_slot = &slot->hotplug_slot;
70 	 dbg("%s - Entry: deregistering slot=%s\n",
71 		__func__, slot->name);
73 	list_del(&slot->rpaphp_slot_list);
75 	dealloc_slot_struct(slot);
82 int rpaphp_register_slot(struct slot *slot)
84 	struct hotplug_slot *php_slot = &slot->hotplug_slot;
90 	dbg("%s registering slot:path[%pOF] index[%x], name[%s] pdomain[%x] type[%d]\n",
91 		__func__, slot->dn, slot->index, slot->name,
92 		slot->power_domain, slot->type);
94 	/* should not try to register the same slot twice */
95 	if (is_registered(slot)) {
96 		err("rpaphp_register_slot: slot[%s] is already registered\n", slot->name);
100 	for_each_child_of_node(slot->dn, child) {
102 		if (my_index == slot->index) {
109 	retval = pci_hp_register(php_slot, slot->bus, slotno, slot->name);
115 	/* add slot to our internal list */
116 	list_add(&slot->rpaphp_slot_list, &rpaphp_slot_head);
117 	info("Slot [%s] registered\n", slot->name);