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62 lines
1.8 KiB
62 lines
1.8 KiB
/* |
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* HSI clients registration interface |
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* |
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* Copyright (C) 2010 Nokia Corporation. All rights reserved. |
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* |
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* Contact: Carlos Chinea <carlos.chinea@nokia.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* version 2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
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* 02110-1301 USA |
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*/ |
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#include <linux/hsi/hsi.h> |
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#include <linux/list.h> |
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#include <linux/slab.h> |
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#include "hsi_core.h" |
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/* |
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* hsi_board_list is only used internally by the HSI framework. |
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* No one else is allowed to make use of it. |
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*/ |
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LIST_HEAD(hsi_board_list); |
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EXPORT_SYMBOL_GPL(hsi_board_list); |
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/** |
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* hsi_register_board_info - Register HSI clients information |
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* @info: Array of HSI clients on the board |
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* @len: Length of the array |
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* |
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* HSI clients are statically declared and registered on board files. |
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* |
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* HSI clients will be automatically registered to the HSI bus once the |
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* controller and the port where the clients wishes to attach are registered |
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* to it. |
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* |
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* Return -errno on failure, 0 on success. |
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*/ |
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int __init hsi_register_board_info(struct hsi_board_info const *info, |
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unsigned int len) |
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{ |
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struct hsi_cl_info *cl_info; |
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cl_info = kzalloc(sizeof(*cl_info) * len, GFP_KERNEL); |
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if (!cl_info) |
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return -ENOMEM; |
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for (; len; len--, info++, cl_info++) { |
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cl_info->info = *info; |
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list_add_tail(&cl_info->list, &hsi_board_list); |
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} |
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return 0; |
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}
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