1 // SPDX-License-Identifier: GPL-2.0-only
3 * HSI clients registration interface
5 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
7 * Contact: Carlos Chinea <carlos.chinea@nokia.com>
9 #include <linux/hsi/hsi.h>
10 #include <linux/list.h>
11 #include <linux/slab.h>
15 * hsi_board_list is only used internally by the HSI framework.
16 * No one else is allowed to make use of it.
18 LIST_HEAD(hsi_board_list);
19 EXPORT_SYMBOL_GPL(hsi_board_list);
22 * hsi_register_board_info - Register HSI clients information
23 * @info: Array of HSI clients on the board
24 * @len: Length of the array
26 * HSI clients are statically declared and registered on board files.
28 * HSI clients will be automatically registered to the HSI bus once the
29 * controller and the port where the clients wishes to attach are registered
32 * Return -errno on failure, 0 on success.
34 int __init hsi_register_board_info(struct hsi_board_info const *info,
37 struct hsi_cl_info *cl_info;
39 cl_info = kcalloc(len, sizeof(*cl_info), GFP_KERNEL);
43 for (; len; len--, info++, cl_info++) {
44 cl_info->info = *info;
45 list_add_tail(&cl_info->list, &hsi_board_list);