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ar71xx: add dummy debugfs support for the ag71xx driver

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19031 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2010-01-04 14:28:25 +00:00
parent 9577aad664
commit bdcb066fc4
12 changed files with 112 additions and 11 deletions
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55
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_debugfs.c Normal file
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@@ -0,0 +1,55 @@
/*
* Atheros AR71xx built-in ethernet mac driver
*
* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Based on Atheros' AG7100 driver
*
* 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.
*/
#include <linux/debugfs.h>
#include "ag71xx.h"
static struct dentry *ag71xx_debugfs_root;
int ag71xx_debugfs_root_init(void)
{
if (ag71xx_debugfs_root)
return -EBUSY;
ag71xx_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (!ag71xx_debugfs_root)
return -ENOENT;
return 0;
}
void ag71xx_debugfs_root_exit(void)
{
debugfs_remove(ag71xx_debugfs_root);
ag71xx_debugfs_root = NULL;
}
void ag71xx_debugfs_exit(struct ag71xx *ag)
{
debugfs_remove(ag->debug.debugfs_dir);
}
int ag71xx_debugfs_init(struct ag71xx *ag)
{
ag->debug.debugfs_dir = debugfs_create_dir(ag->dev->name,
ag71xx_debugfs_root);
if (!ag->debug.debugfs_dir)
goto err;
return 0;
err:
ag71xx_debugfs_exit(ag);
return -ENOMEM;
}