linux-imx

/*

 * Device probing and sysfs code.

 *

 * Copyright (C) 2005-2006  Kristian Hoegsberg <krh@bitplanet.net>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

​

#include <linux/bug.h>

#include <linux/ctype.h>

#include <linux/delay.h>

#include <linux/device.h>

#include <linux/errno.h>

#include <linux/firewire.h>

#include <linux/firewire-constants.h>

#include <linux/idr.h>

#include <linux/jiffies.h>

#include <linux/kobject.h>

#include <linux/list.h>

#include <linux/mod_devicetable.h>

#include <linux/module.h>

#include <linux/mutex.h>

#include <linux/random.h>

#include <linux/rwsem.h>

#include <linux/slab.h>

#include <linux/spinlock.h>

#include <linux/string.h>

#include <linux/workqueue.h>

​

#include <linux/atomic.h>

#include <asm/byteorder.h>

​

#include "core.h"

​

void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p)

{

    ci->p = p + 1;

    ci->end = ci->p + (p[0] >> 16);

}

EXPORT_SYMBOL(fw_csr_iterator_init);

​

int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value)

{

    *key = *ci->p >> 24;

    *value = *ci->p & 0xffffff;

​

    return ci->p++ < ci->end;

}

EXPORT_SYMBOL(fw_csr_iterator_next);

​

static const u32 *search_leaf(const u32 *directory, int search_key)