// 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 = kcalloc(len, sizeof (*cl_info), 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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