// SPDX-License-Identifier: GPL-2.0-only /* * HSI clients registration interface * * Copyright (C) 2010 Nokia Corporation. All rights reserved. * * Contact: Carlos Chinea <carlos.chinea@nokia.com> */ #include <linux/hsi/hsi.h> #include <linux/list.h> #include <linux/slab.h> #include "hsi_core.h" /* * hsi_board_list is only used internally by the HSI framework. * No one else is allowed to make use of it. */ LIST_HEAD(hsi_board_list); EXPORT_SYMBOL_GPL(hsi_board_list); /** * hsi_register_board_info - Register HSI clients information * @info: Array of HSI clients on the board * @len: Length of the array * * HSI clients are statically declared and registered on board files. * * HSI clients will be automatically registered to the HSI bus once the * controller and the port where the clients wishes to attach are registered * to it. * * Return -errno on failure, 0 on success. */ int __init hsi_register_board_info(struct hsi_board_info const *info, unsigned int len) { struct hsi_cl_info *cl_info; cl_info = kzalloc_objs(*cl_info, len); if (!cl_info) return -ENOMEM; for (; len; len--, info++, cl_info++) { cl_info->info = *info; list_add_tail(&cl_info->list, &hsi_board_list); } return 0; }