/* * Linux WiMAX * Debugfs support * * * Copyright (C) 2005-2006 Intel Corporation <linux-wimax@intel.com> * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.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 Street, Fifth Floor, Boston, MA * 02110-1301, USA. */#include <linux/debugfs.h>#include <linux/wimax.h>#include "wimax-internal.h" #define D_SUBMODULE debugfs#include "debug-levels.h"  #define __debugfs_register(prefix, name, parent)			\do {									\	result = d_level_register_debugfs(prefix, name, parent);	\	if (result < 0)							\		goto error;						\} while (0)  int wimax_debugfs_add(struct wimax_dev *wimax_dev){	int result;	struct net_device *net_dev = wimax_dev->net_dev;	struct device *dev = net_dev->dev.parent;	struct dentry *dentry;	char buf[128]; 	snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name);	dentry = debugfs_create_dir(buf, NULL);	result = PTR_ERR(dentry);	if (IS_ERR(dentry)) {		if (result == -ENODEV)			result = 0;	/* No debugfs support */		else			dev_err(dev, "Can't create debugfs dentry: %d\n",				result);		goto out;	}	wimax_dev->debugfs_dentry = dentry;	__debugfs_register("wimax_dl_", debugfs, dentry);	__debugfs_register("wimax_dl_", id_table, dentry);	__debugfs_register("wimax_dl_", op_msg, dentry);	__debugfs_register("wimax_dl_", op_reset, dentry);	__debugfs_register("wimax_dl_", op_rfkill, dentry);	__debugfs_register("wimax_dl_", op_state_get, dentry);	__debugfs_register("wimax_dl_", stack, dentry);	result = 0;out:	return result; error:	debugfs_remove_recursive(wimax_dev->debugfs_dentry);	return result;} void wimax_debugfs_rm(struct wimax_dev *wimax_dev){	debugfs_remove_recursive(wimax_dev->debugfs_dentry);}