Linux-libre 4.5-gnu

1 files changed, 0 insertions, 800 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
deleted file mode 100644
index 90fdb02b5..000000000
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ /dev/null
@@ -1,800 +0,0 @@
-/*
-	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
-	<http://rt2x00.serialmonkey.com>
-
-	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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
-	Module: rt2x00lib
-	Abstract: rt2x00 debugfs specific routines.
- */
-
-#include <linux/debugfs.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/poll.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-
-#include "rt2x00.h"
-#include "rt2x00lib.h"
-#include "rt2x00dump.h"
-
-#define MAX_LINE_LENGTH 64
-
-struct rt2x00debug_crypto {
-	unsigned long success;
-	unsigned long icv_error;
-	unsigned long mic_error;
-	unsigned long key_error;
-};
-
-struct rt2x00debug_intf {
-	/*
-	 * Pointer to driver structure where
-	 * this debugfs entry belongs to.
-	 */
-	struct rt2x00_dev *rt2x00dev;
-
-	/*
-	 * Reference to the rt2x00debug structure
-	 * which can be used to communicate with
-	 * the registers.
-	 */
-	const struct rt2x00debug *debug;
-
-	/*
-	 * Debugfs entries for:
-	 * - driver folder
-	 *   - driver file
-	 *   - chipset file
-	 *   - device state flags file
-	 *   - device capability flags file
-	 *   - register folder
-	 *     - csr offset/value files
-	 *     - eeprom offset/value files
-	 *     - bbp offset/value files
-	 *     - rf offset/value files
-	 *     - rfcsr offset/value files
-	 *   - queue folder
-	 *     - frame dump file
-	 *     - queue stats file
-	 *     - crypto stats file
-	 */
-	struct dentry *driver_folder;
-	struct dentry *driver_entry;
-	struct dentry *chipset_entry;
-	struct dentry *dev_flags;
-	struct dentry *cap_flags;
-	struct dentry *register_folder;
-	struct dentry *csr_off_entry;
-	struct dentry *csr_val_entry;
-	struct dentry *eeprom_off_entry;
-	struct dentry *eeprom_val_entry;
-	struct dentry *bbp_off_entry;
-	struct dentry *bbp_val_entry;
-	struct dentry *rf_off_entry;
-	struct dentry *rf_val_entry;
-	struct dentry *rfcsr_off_entry;
-	struct dentry *rfcsr_val_entry;
-	struct dentry *queue_folder;
-	struct dentry *queue_frame_dump_entry;
-	struct dentry *queue_stats_entry;
-	struct dentry *crypto_stats_entry;
-
-	/*
-	 * The frame dump file only allows a single reader,
-	 * so we need to store the current state here.
-	 */
-	unsigned long frame_dump_flags;
-#define FRAME_DUMP_FILE_OPEN	1
-
-	/*
-	 * We queue each frame before dumping it to the user,
-	 * per read command we will pass a single skb structure
-	 * so we should be prepared to queue multiple sk buffers
-	 * before sending it to userspace.
-	 */
-	struct sk_buff_head frame_dump_skbqueue;
-	wait_queue_head_t frame_dump_waitqueue;
-
-	/*
-	 * HW crypto statistics.
-	 * All statistics are stored separately per cipher type.
-	 */
-	struct rt2x00debug_crypto crypto_stats[CIPHER_MAX];
-
-	/*
-	 * Driver and chipset files will use a data buffer
-	 * that has been created in advance. This will simplify
-	 * the code since we can use the debugfs functions.
-	 */
-	struct debugfs_blob_wrapper driver_blob;
-	struct debugfs_blob_wrapper chipset_blob;
-
-	/*
-	 * Requested offset for each register type.
-	 */
-	unsigned int offset_csr;
-	unsigned int offset_eeprom;
-	unsigned int offset_bbp;
-	unsigned int offset_rf;
-	unsigned int offset_rfcsr;
-};
-
-void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
-			       struct rxdone_entry_desc *rxdesc)
-{
-	struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
-	enum cipher cipher = rxdesc->cipher;
-	enum rx_crypto status = rxdesc->cipher_status;
-
-	if (cipher == CIPHER_TKIP_NO_MIC)
-		cipher = CIPHER_TKIP;
-	if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
-		return;
-
-	/* Remove CIPHER_NONE index */
-	cipher--;
-
-	intf->crypto_stats[cipher].success += (status == RX_CRYPTO_SUCCESS);
-	intf->crypto_stats[cipher].icv_error += (status == RX_CRYPTO_FAIL_ICV);
-	intf->crypto_stats[cipher].mic_error += (status == RX_CRYPTO_FAIL_MIC);
-	intf->crypto_stats[cipher].key_error += (status == RX_CRYPTO_FAIL_KEY);
-}
-
-void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
-			    enum rt2x00_dump_type type, struct sk_buff *skb)
-{
-	struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	struct sk_buff *skbcopy;
-	struct rt2x00dump_hdr *dump_hdr;
-	struct timeval timestamp;
-	u32 data_len;
-
-	if (likely(!test_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)))
-		return;
-
-	do_gettimeofday(&timestamp);
-
-	if (skb_queue_len(&intf->frame_dump_skbqueue) > 20) {
-		rt2x00_dbg(rt2x00dev, "txrx dump queue length exceeded\n");
-		return;
-	}
-
-	data_len = skb->len;
-	if (skbdesc->flags & SKBDESC_DESC_IN_SKB)
-		data_len -= skbdesc->desc_len;
-
-	skbcopy = alloc_skb(sizeof(*dump_hdr) + skbdesc->desc_len + data_len,
-			    GFP_ATOMIC);
-	if (!skbcopy) {
-		rt2x00_dbg(rt2x00dev, "Failed to copy skb for dump\n");
-		return;
-	}
-
-	dump_hdr = (struct rt2x00dump_hdr *)skb_put(skbcopy, sizeof(*dump_hdr));
-	dump_hdr->version = cpu_to_le32(DUMP_HEADER_VERSION);
-	dump_hdr->header_length = cpu_to_le32(sizeof(*dump_hdr));
-	dump_hdr->desc_length = cpu_to_le32(skbdesc->desc_len);
-	dump_hdr->data_length = cpu_to_le32(data_len);
-	dump_hdr->chip_rt = cpu_to_le16(rt2x00dev->chip.rt);
-	dump_hdr->chip_rf = cpu_to_le16(rt2x00dev->chip.rf);
-	dump_hdr->chip_rev = cpu_to_le16(rt2x00dev->chip.rev);
-	dump_hdr->type = cpu_to_le16(type);
-	dump_hdr->queue_index = skbdesc->entry->queue->qid;
-	dump_hdr->entry_index = skbdesc->entry->entry_idx;
-	dump_hdr->timestamp_sec = cpu_to_le32(timestamp.tv_sec);
-	dump_hdr->timestamp_usec = cpu_to_le32(timestamp.tv_usec);
-
-	if (!(skbdesc->flags & SKBDESC_DESC_IN_SKB))
-		memcpy(skb_put(skbcopy, skbdesc->desc_len), skbdesc->desc,
-		       skbdesc->desc_len);
-	memcpy(skb_put(skbcopy, skb->len), skb->data, skb->len);
-
-	skb_queue_tail(&intf->frame_dump_skbqueue, skbcopy);
-	wake_up_interruptible(&intf->frame_dump_waitqueue);
-
-	/*
-	 * Verify that the file has not been closed while we were working.
-	 */
-	if (!test_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags))
-		skb_queue_purge(&intf->frame_dump_skbqueue);
-}
-EXPORT_SYMBOL_GPL(rt2x00debug_dump_frame);
-
-static int rt2x00debug_file_open(struct inode *inode, struct file *file)
-{
-	struct rt2x00debug_intf *intf = inode->i_private;
-
-	file->private_data = inode->i_private;
-
-	if (!try_module_get(intf->debug->owner))
-		return -EBUSY;
-
-	return 0;
-}
-
-static int rt2x00debug_file_release(struct inode *inode, struct file *file)
-{
-	struct rt2x00debug_intf *intf = file->private_data;
-
-	module_put(intf->debug->owner);
-
-	return 0;
-}
-
-static int rt2x00debug_open_queue_dump(struct inode *inode, struct file *file)
-{
-	struct rt2x00debug_intf *intf = inode->i_private;
-	int retval;
-
-	retval = rt2x00debug_file_open(inode, file);
-	if (retval)
-		return retval;
-
-	if (test_and_set_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags)) {
-		rt2x00debug_file_release(inode, file);
-		return -EBUSY;
-	}
-
-	return 0;
-}
-
-static int rt2x00debug_release_queue_dump(struct inode *inode, struct file *file)
-{
-	struct rt2x00debug_intf *intf = inode->i_private;
-
-	skb_queue_purge(&intf->frame_dump_skbqueue);
-
-	clear_bit(FRAME_DUMP_FILE_OPEN, &intf->frame_dump_flags);
-
-	return rt2x00debug_file_release(inode, file);
-}
-
-static ssize_t rt2x00debug_read_queue_dump(struct file *file,
-					   char __user *buf,
-					   size_t length,
-					   loff_t *offset)
-{
-	struct rt2x00debug_intf *intf = file->private_data;
-	struct sk_buff *skb;
-	size_t status;
-	int retval;
-
-	if (file->f_flags & O_NONBLOCK)
-		return -EAGAIN;
-
-	retval =
-	    wait_event_interruptible(intf->frame_dump_waitqueue,
-				     (skb =
-				     skb_dequeue(&intf->frame_dump_skbqueue)));
-	if (retval)
-		return retval;
-
-	status = min_t(size_t, skb->len, length);
-	if (copy_to_user(buf, skb->data, status)) {
-		status = -EFAULT;
-		goto exit;
-	}
-
-	*offset += status;
-
-exit:
-	kfree_skb(skb);
-
-	return status;
-}
-
-static unsigned int rt2x00debug_poll_queue_dump(struct file *file,
-						poll_table *wait)
-{
-	struct rt2x00debug_intf *intf = file->private_data;
-
-	poll_wait(file, &intf->frame_dump_waitqueue, wait);
-
-	if (!skb_queue_empty(&intf->frame_dump_skbqueue))
-		return POLLOUT | POLLWRNORM;
-
-	return 0;
-}
-
-static const struct file_operations rt2x00debug_fop_queue_dump = {
-	.owner		= THIS_MODULE,
-	.read		= rt2x00debug_read_queue_dump,
-	.poll		= rt2x00debug_poll_queue_dump,
-	.open		= rt2x00debug_open_queue_dump,
-	.release	= rt2x00debug_release_queue_dump,
-	.llseek		= default_llseek,
-};
-
-static ssize_t rt2x00debug_read_queue_stats(struct file *file,
-					    char __user *buf,
-					    size_t length,
-					    loff_t *offset)
-{
-	struct rt2x00debug_intf *intf = file->private_data;
-	struct data_queue *queue;
-	unsigned long irqflags;
-	unsigned int lines = 1 + intf->rt2x00dev->data_queues;
-	size_t size;
-	char *data;
-	char *temp;
-
-	if (*offset)
-		return 0;
-
-	data = kcalloc(lines, MAX_LINE_LENGTH, GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	temp = data +
-	    sprintf(data, "qid\tflags\t\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
-
-	queue_for_each(intf->rt2x00dev, queue) {
-		spin_lock_irqsave(&queue->index_lock, irqflags);
-
-		temp += sprintf(temp, "%d\t0x%.8x\t%d\t%d\t%d\t%d\t%d\t\t%d\n",
-				queue->qid, (unsigned int)queue->flags,
-				queue->count, queue->limit, queue->length,
-				queue->index[Q_INDEX],
-				queue->index[Q_INDEX_DMA_DONE],
-				queue->index[Q_INDEX_DONE]);
-
-		spin_unlock_irqrestore(&queue->index_lock, irqflags);
-	}
-
-	size = strlen(data);
-	size = min(size, length);
-
-	if (copy_to_user(buf, data, size)) {
-		kfree(data);
-		return -EFAULT;
-	}
-
-	kfree(data);
-
-	*offset += size;
-	return size;
-}
-
-static const struct file_operations rt2x00debug_fop_queue_stats = {
-	.owner		= THIS_MODULE,
-	.read		= rt2x00debug_read_queue_stats,
-	.open		= rt2x00debug_file_open,
-	.release	= rt2x00debug_file_release,
-	.llseek		= default_llseek,
-};
-
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
-static ssize_t rt2x00debug_read_crypto_stats(struct file *file,
-					     char __user *buf,
-					     size_t length,
-					     loff_t *offset)
-{
-	struct rt2x00debug_intf *intf = file->private_data;
-	static const char * const name[] = { "WEP64", "WEP128", "TKIP", "AES" };
-	char *data;
-	char *temp;
-	size_t size;
-	unsigned int i;
-
-	if (*offset)
-		return 0;
-
-	data = kzalloc((1 + CIPHER_MAX) * MAX_LINE_LENGTH, GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	temp = data;
-	temp += sprintf(data, "cipher\tsuccess\ticv err\tmic err\tkey err\n");
-
-	for (i = 0; i < CIPHER_MAX; i++) {
-		temp += sprintf(temp, "%s\t%lu\t%lu\t%lu\t%lu\n", name[i],
-				intf->crypto_stats[i].success,
-				intf->crypto_stats[i].icv_error,
-				intf->crypto_stats[i].mic_error,
-				intf->crypto_stats[i].key_error);
-	}
-
-	size = strlen(data);
-	size = min(size, length);
-
-	if (copy_to_user(buf, data, size)) {
-		kfree(data);
-		return -EFAULT;
-	}
-
-	kfree(data);
-
-	*offset += size;
-	return size;
-}
-
-static const struct file_operations rt2x00debug_fop_crypto_stats = {
-	.owner		= THIS_MODULE,
-	.read		= rt2x00debug_read_crypto_stats,
-	.open		= rt2x00debug_file_open,
-	.release	= rt2x00debug_file_release,
-	.llseek		= default_llseek,
-};
-#endif
-
-#define RT2X00DEBUGFS_OPS_READ(__name, __format, __type)	\
-static ssize_t rt2x00debug_read_##__name(struct file *file,	\
-					 char __user *buf,	\
-					 size_t length,		\
-					 loff_t *offset)	\
-{								\
-	struct rt2x00debug_intf *intf = file->private_data;	\
-	const struct rt2x00debug *debug = intf->debug;		\
-	char line[16];						\
-	size_t size;						\
-	unsigned int index = intf->offset_##__name;		\
-	__type value;						\
-								\
-	if (*offset)						\
-		return 0;					\
-								\
-	if (index >= debug->__name.word_count)			\
-		return -EINVAL;					\
-								\
-	index += (debug->__name.word_base /			\
-		  debug->__name.word_size);			\
-								\
-	if (debug->__name.flags & RT2X00DEBUGFS_OFFSET)		\
-		index *= debug->__name.word_size;		\
-								\
-	debug->__name.read(intf->rt2x00dev, index, &value);	\
-								\
-	size = sprintf(line, __format, value);			\
-								\
-	if (copy_to_user(buf, line, size))			\
-		return -EFAULT;					\
-								\
-	*offset += size;					\
-	return size;						\
-}
-
-#define RT2X00DEBUGFS_OPS_WRITE(__name, __type)			\
-static ssize_t rt2x00debug_write_##__name(struct file *file,	\
-					  const char __user *buf,\
-					  size_t length,	\
-					  loff_t *offset)	\
-{								\
-	struct rt2x00debug_intf *intf = file->private_data;	\
-	const struct rt2x00debug *debug = intf->debug;		\
-	char line[16];						\
-	size_t size;						\
-	unsigned int index = intf->offset_##__name;		\
-	__type value;						\
-								\
-	if (*offset)						\
-		return 0;					\
-								\
-	if (index >= debug->__name.word_count)			\
-		return -EINVAL;					\
-								\
-	if (length > sizeof(line))				\
-		return -EINVAL;					\
-								\
-	if (copy_from_user(line, buf, length))			\
-		return -EFAULT;					\
-								\
-	size = strlen(line);					\
-	value = simple_strtoul(line, NULL, 0);			\
-								\
-	index += (debug->__name.word_base /			\
-		  debug->__name.word_size);			\
-								\
-	if (debug->__name.flags & RT2X00DEBUGFS_OFFSET)		\
-		index *= debug->__name.word_size;		\
-								\
-	debug->__name.write(intf->rt2x00dev, index, value);	\
-								\
-	*offset += size;					\
-	return size;						\
-}
-
-#define RT2X00DEBUGFS_OPS(__name, __format, __type)		\
-RT2X00DEBUGFS_OPS_READ(__name, __format, __type);		\
-RT2X00DEBUGFS_OPS_WRITE(__name, __type);			\
-								\
-static const struct file_operations rt2x00debug_fop_##__name = {\
-	.owner		= THIS_MODULE,				\
-	.read		= rt2x00debug_read_##__name,		\
-	.write		= rt2x00debug_write_##__name,		\
-	.open		= rt2x00debug_file_open,		\
-	.release	= rt2x00debug_file_release,		\
-	.llseek		= generic_file_llseek,			\
-};
-
-RT2X00DEBUGFS_OPS(csr, "0x%.8x\n", u32);
-RT2X00DEBUGFS_OPS(eeprom, "0x%.4x\n", u16);
-RT2X00DEBUGFS_OPS(bbp, "0x%.2x\n", u8);
-RT2X00DEBUGFS_OPS(rf, "0x%.8x\n", u32);
-RT2X00DEBUGFS_OPS(rfcsr, "0x%.2x\n", u8);
-
-static ssize_t rt2x00debug_read_dev_flags(struct file *file,
-					  char __user *buf,
-					  size_t length,
-					  loff_t *offset)
-{
-	struct rt2x00debug_intf *intf =	file->private_data;
-	char line[16];
-	size_t size;
-
-	if (*offset)
-		return 0;
-
-	size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->flags);
-
-	if (copy_to_user(buf, line, size))
-		return -EFAULT;
-
-	*offset += size;
-	return size;
-}
-
-static const struct file_operations rt2x00debug_fop_dev_flags = {
-	.owner		= THIS_MODULE,
-	.read		= rt2x00debug_read_dev_flags,
-	.open		= rt2x00debug_file_open,
-	.release	= rt2x00debug_file_release,
-	.llseek		= default_llseek,
-};
-
-static ssize_t rt2x00debug_read_cap_flags(struct file *file,
-					  char __user *buf,
-					  size_t length,
-					  loff_t *offset)
-{
-	struct rt2x00debug_intf *intf =	file->private_data;
-	char line[16];
-	size_t size;
-
-	if (*offset)
-		return 0;
-
-	size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->cap_flags);
-
-	if (copy_to_user(buf, line, size))
-		return -EFAULT;
-
-	*offset += size;
-	return size;
-}
-
-static const struct file_operations rt2x00debug_fop_cap_flags = {
-	.owner		= THIS_MODULE,
-	.read		= rt2x00debug_read_cap_flags,
-	.open		= rt2x00debug_file_open,
-	.release	= rt2x00debug_file_release,
-	.llseek		= default_llseek,
-};
-
-static struct dentry *rt2x00debug_create_file_driver(const char *name,
-						     struct rt2x00debug_intf
-						     *intf,
-						     struct debugfs_blob_wrapper
-						     *blob)
-{
-	char *data;
-
-	data = kzalloc(3 * MAX_LINE_LENGTH, GFP_KERNEL);
-	if (!data)
-		return NULL;
-
-	blob->data = data;
-	data += sprintf(data, "driver:\t%s\n", intf->rt2x00dev->ops->name);
-	data += sprintf(data, "version:\t%s\n", DRV_VERSION);
-	blob->size = strlen(blob->data);
-
-	return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob);
-}
-
-static struct dentry *rt2x00debug_create_file_chipset(const char *name,
-						      struct rt2x00debug_intf
-						      *intf,
-						      struct
-						      debugfs_blob_wrapper
-						      *blob)
-{
-	const struct rt2x00debug *debug = intf->debug;
-	char *data;
-
-	data = kzalloc(9 * MAX_LINE_LENGTH, GFP_KERNEL);
-	if (!data)
-		return NULL;
-
-	blob->data = data;
-	data += sprintf(data, "rt chip:\t%04x\n", intf->rt2x00dev->chip.rt);
-	data += sprintf(data, "rf chip:\t%04x\n", intf->rt2x00dev->chip.rf);
-	data += sprintf(data, "revision:\t%04x\n", intf->rt2x00dev->chip.rev);
-	data += sprintf(data, "\n");
-	data += sprintf(data, "register\tbase\twords\twordsize\n");
-#define RT2X00DEBUGFS_SPRINTF_REGISTER(__name)			\
-{								\
-	if(debug->__name.read)					\
-		data += sprintf(data, __stringify(__name)	\
-				"\t%d\t%d\t%d\n",		\
-				debug->__name.word_base,	\
-				debug->__name.word_count,	\
-				debug->__name.word_size);	\
-}
-	RT2X00DEBUGFS_SPRINTF_REGISTER(csr);
-	RT2X00DEBUGFS_SPRINTF_REGISTER(eeprom);
-	RT2X00DEBUGFS_SPRINTF_REGISTER(bbp);
-	RT2X00DEBUGFS_SPRINTF_REGISTER(rf);
-	RT2X00DEBUGFS_SPRINTF_REGISTER(rfcsr);
-#undef RT2X00DEBUGFS_SPRINTF_REGISTER
-
-	blob->size = strlen(blob->data);
-
-	return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob);
-}
-
-void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
-{
-	const struct rt2x00debug *debug = rt2x00dev->ops->debugfs;
-	struct rt2x00debug_intf *intf;
-
-	intf = kzalloc(sizeof(struct rt2x00debug_intf), GFP_KERNEL);
-	if (!intf) {
-		rt2x00_err(rt2x00dev, "Failed to allocate debug handler\n");
-		return;
-	}
-
-	intf->debug = debug;
-	intf->rt2x00dev = rt2x00dev;
-	rt2x00dev->debugfs_intf = intf;
-
-	intf->driver_folder =
-	    debugfs_create_dir(intf->rt2x00dev->ops->name,
-			       rt2x00dev->hw->wiphy->debugfsdir);
-	if (IS_ERR(intf->driver_folder) || !intf->driver_folder)
-		goto exit;
-
-	intf->driver_entry =
-	    rt2x00debug_create_file_driver("driver", intf, &intf->driver_blob);
-	if (IS_ERR(intf->driver_entry) || !intf->driver_entry)
-		goto exit;
-
-	intf->chipset_entry =
-	    rt2x00debug_create_file_chipset("chipset",
-					    intf, &intf->chipset_blob);
-	if (IS_ERR(intf->chipset_entry) || !intf->chipset_entry)
-		goto exit;
-
-	intf->dev_flags = debugfs_create_file("dev_flags", S_IRUSR,
-					      intf->driver_folder, intf,
-					      &rt2x00debug_fop_dev_flags);
-	if (IS_ERR(intf->dev_flags) || !intf->dev_flags)
-		goto exit;
-
-	intf->cap_flags = debugfs_create_file("cap_flags", S_IRUSR,
-					      intf->driver_folder, intf,
-					      &rt2x00debug_fop_cap_flags);
-	if (IS_ERR(intf->cap_flags) || !intf->cap_flags)
-		goto exit;
-
-	intf->register_folder =
-	    debugfs_create_dir("register", intf->driver_folder);
-	if (IS_ERR(intf->register_folder) || !intf->register_folder)
-		goto exit;
-
-#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name)			\
-({										\
-	if(debug->__name.read) {						\
-		(__intf)->__name##_off_entry =					\
-		debugfs_create_u32(__stringify(__name) "_offset",		\
-				       S_IRUSR | S_IWUSR,			\
-				       (__intf)->register_folder,		\
-				       &(__intf)->offset_##__name);		\
-		if (IS_ERR((__intf)->__name##_off_entry)			\
-				|| !(__intf)->__name##_off_entry)		\
-			goto exit;						\
-										\
-		(__intf)->__name##_val_entry =					\
-		debugfs_create_file(__stringify(__name) "_value",		\
-					S_IRUSR | S_IWUSR,			\
-					(__intf)->register_folder,		\
-					(__intf), &rt2x00debug_fop_##__name);	\
-		if (IS_ERR((__intf)->__name##_val_entry)			\
-				|| !(__intf)->__name##_val_entry)		\
-			goto exit;						\
-	}									\
-})
-
-	RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, csr);
-	RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, eeprom);
-	RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, bbp);
-	RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, rf);
-	RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, rfcsr);
-
-#undef RT2X00DEBUGFS_CREATE_REGISTER_ENTRY
-
-	intf->queue_folder =
-	    debugfs_create_dir("queue", intf->driver_folder);
-	if (IS_ERR(intf->queue_folder) || !intf->queue_folder)
-		goto exit;
-
-	intf->queue_frame_dump_entry =
-	    debugfs_create_file("dump", S_IRUSR, intf->queue_folder,
-				intf, &rt2x00debug_fop_queue_dump);
-	if (IS_ERR(intf->queue_frame_dump_entry)
-		|| !intf->queue_frame_dump_entry)
-		goto exit;
-
-	skb_queue_head_init(&intf->frame_dump_skbqueue);
-	init_waitqueue_head(&intf->frame_dump_waitqueue);
-
-	intf->queue_stats_entry =
-	    debugfs_create_file("queue", S_IRUSR, intf->queue_folder,
-				intf, &rt2x00debug_fop_queue_stats);
-
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
-	if (rt2x00_has_cap_hw_crypto(rt2x00dev))
-		intf->crypto_stats_entry =
-		    debugfs_create_file("crypto", S_IRUGO, intf->queue_folder,
-					intf, &rt2x00debug_fop_crypto_stats);
-#endif
-
-	return;
-
-exit:
-	rt2x00debug_deregister(rt2x00dev);
-	rt2x00_err(rt2x00dev, "Failed to register debug handler\n");
-}
-
-void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
-{
-	struct rt2x00debug_intf *intf = rt2x00dev->debugfs_intf;
-
-	if (unlikely(!intf))
-		return;
-
-	skb_queue_purge(&intf->frame_dump_skbqueue);
-
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
-	debugfs_remove(intf->crypto_stats_entry);
-#endif
-	debugfs_remove(intf->queue_stats_entry);
-	debugfs_remove(intf->queue_frame_dump_entry);
-	debugfs_remove(intf->queue_folder);
-	debugfs_remove(intf->rfcsr_val_entry);
-	debugfs_remove(intf->rfcsr_off_entry);
-	debugfs_remove(intf->rf_val_entry);
-	debugfs_remove(intf->rf_off_entry);
-	debugfs_remove(intf->bbp_val_entry);
-	debugfs_remove(intf->bbp_off_entry);
-	debugfs_remove(intf->eeprom_val_entry);
-	debugfs_remove(intf->eeprom_off_entry);
-	debugfs_remove(intf->csr_val_entry);
-	debugfs_remove(intf->csr_off_entry);
-	debugfs_remove(intf->register_folder);
-	debugfs_remove(intf->dev_flags);
-	debugfs_remove(intf->cap_flags);
-	debugfs_remove(intf->chipset_entry);
-	debugfs_remove(intf->driver_entry);
-	debugfs_remove(intf->driver_folder);
-	kfree(intf->chipset_blob.data);
-	kfree(intf->driver_blob.data);
-	kfree(intf);
-
-	rt2x00dev->debugfs_intf = NULL;
-}