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/*
* HSI clients registration interface
*
* Copyright (C) 2010 Nokia Corporation. All rights reserved.
*
* Contact: Carlos Chinea <carlos.chinea@nokia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#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(sizeof(*cl_info) * len, GFP_KERNEL);
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;
}
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