4 * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the License);
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
27 static const struct device_ops default_ops = {
28 .name = "default-ops",
31 static dd_list *dev_head;
33 void add_device(const struct device_ops *dev)
35 if (dev->priority == DEVICE_PRIORITY_HIGH)
36 DD_LIST_PREPEND(dev_head, dev);
38 DD_LIST_APPEND(dev_head, dev);
41 void remove_device(const struct device_ops *dev)
43 DD_LIST_REMOVE(dev_head, dev);
46 const struct device_ops *find_device(const char *name)
49 const struct device_ops *dev;
51 DD_LIST_FOREACH(dev_head, elem, dev) {
52 if (!strcmp(dev->name, name))
60 int check_default(const struct device_ops *dev)
62 return (dev == &default_ops);
65 void devices_init(void *data)
68 const struct device_ops *dev;
70 DD_LIST_FOREACH(dev_head, elem, dev) {
71 _D("[%s] initialize", dev->name);
77 void devices_exit(void *data)
80 const struct device_ops *dev;
82 DD_LIST_FOREACH(dev_head, elem, dev) {
83 _D("[%s] deinitialize", dev->name);