cw1200: Remove "ITP" debug subsystem.

This can live on as an out-of-tree patch for those that care.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

8 files changed, 3 insertions, 905 deletions

diff --git a/drivers/net/wireless/cw1200/Kconfig b/drivers/net/wireless/cw1200/Kconfig
index 7a585d4e9c8e..fc1b472460c8 100644
--- a/drivers/net/wireless/cw1200/Kconfig
+++ b/drivers/net/wireless/cw1200/Kconfig
@@ -35,11 +35,6 @@ config CW1200_ETF
 	help
 	  If you don't know what this is, just say N.
 
-config CW1200_ITP
-	bool "Enable ITP access"
-	help
-	  If you don't know what this is, just say N.
-
 endmenu
 
 endif
diff --git a/drivers/net/wireless/cw1200/Makefile b/drivers/net/wireless/cw1200/Makefile
index bc6cbf91f26e..b086aac6547a 100644
--- a/drivers/net/wireless/cw1200/Makefile
+++ b/drivers/net/wireless/cw1200/Makefile
@@ -9,7 +9,6 @@ cw1200_core-y := \
 		sta.o \
 		scan.o \
 		debug.o
-cw1200_core-$(CONFIG_CW1200_ITP)	+= itp.o
 cw1200_core-$(CONFIG_PM)	+= pm.o
 
 # CFLAGS_sta.o += -DDEBUG
diff --git a/drivers/net/wireless/cw1200/debug.c b/drivers/net/wireless/cw1200/debug.c
index 1596b7042cbd..ac9c219c6330 100644
--- a/drivers/net/wireless/cw1200/debug.c
+++ b/drivers/net/wireless/cw1200/debug.c
@@ -559,10 +559,6 @@ int cw1200_debug_init(struct cw1200_common *priv)
 				 priv, &fops_wsm_dumps))
 		goto err;
 
-	ret = cw1200_itp_init(priv);
-	if (ret)
-		goto err;
-
 	return 0;
 
 err:
@@ -576,7 +572,7 @@ void cw1200_debug_release(struct cw1200_common *priv)
 {
 	struct cw1200_debug_priv *d = priv->debug;
 	if (d) {
-		cw1200_itp_release(priv);
+		debugfs_remove_recursive(d->debugfs_phy);
 		priv->debug = NULL;
 		kfree(d);
 	}
diff --git a/drivers/net/wireless/cw1200/debug.h b/drivers/net/wireless/cw1200/debug.h
index 1fea5b29a819..b525aba53bfc 100644
--- a/drivers/net/wireless/cw1200/debug.h
+++ b/drivers/net/wireless/cw1200/debug.h
@@ -12,8 +12,6 @@
 #ifndef CW1200_DEBUG_H_INCLUDED
 #define CW1200_DEBUG_H_INCLUDED
 
-#include "itp.h"
-
 struct cw1200_debug_priv {
 	struct dentry *debugfs_phy;
 	int tx;
@@ -30,9 +28,6 @@ struct cw1200_debug_priv {
 	int ba_acc;
 	int ba_cnt_rx;
 	int ba_acc_rx;
-#ifdef CONFIG_CW1200_ITP
-	struct cw1200_itp itp;
-#endif /* CONFIG_CW1200_ITP */
 };
 
 int cw1200_debug_init(struct cw1200_common *priv);
diff --git a/drivers/net/wireless/cw1200/itp.c b/drivers/net/wireless/cw1200/itp.c
deleted file mode 100644
index c0730bb49b75..000000000000
--- a/drivers/net/wireless/cw1200/itp.c
+++ /dev/null
@@ -1,730 +0,0 @@
-/*
- * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers
- * ITP code
- *
- * Copyright (c) 2010, ST-Ericsson
- * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
- *
- * 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/module.h>
-#include <linux/debugfs.h>
-#include <linux/poll.h>
-#include <linux/time.h>
-#include <linux/random.h>
-#include <linux/kallsyms.h>
-#include <net/mac80211.h>
-#include "cw1200.h"
-#include "debug.h"
-#include "itp.h"
-#include "sta.h"
-
-static int __cw1200_itp_open(struct cw1200_common *priv);
-static int __cw1200_itp_close(struct cw1200_common *priv);
-static void cw1200_itp_rx_start(struct cw1200_common *priv);
-static void cw1200_itp_rx_stop(struct cw1200_common *priv);
-static void cw1200_itp_rx_stats(struct cw1200_common *priv);
-static void cw1200_itp_rx_reset(struct cw1200_common *priv);
-static void cw1200_itp_tx_stop(struct cw1200_common *priv);
-static void cw1200_itp_handle(struct cw1200_common *priv,
-			      struct sk_buff *skb);
-static void cw1200_itp_err(struct cw1200_common *priv,
-			   int err,
-			   int arg);
-static void __cw1200_itp_tx_stop(struct cw1200_common *priv);
-
-static ssize_t cw1200_itp_read(struct file *file,
-	char __user *user_buf, size_t count, loff_t *ppos)
-{
-	struct cw1200_common *priv = file->private_data;
-	struct cw1200_itp *itp = &priv->debug->itp;
-	struct sk_buff *skb;
-	int ret;
-
-	if (skb_queue_empty(&itp->log_queue))
-		return 0;
-
-	skb = skb_dequeue(&itp->log_queue);
-	ret = copy_to_user(user_buf, skb->data, skb->len);
-	*ppos += skb->len;
-	skb->data[skb->len] = 0;
-	pr_debug("[ITP] >>> %s", skb->data);
-	consume_skb(skb);
-
-	return skb->len - ret;
-}
-
-static ssize_t cw1200_itp_write(struct file *file,
-	const char __user *user_buf, size_t count, loff_t *ppos)
-{
-	struct cw1200_common *priv = file->private_data;
-	struct sk_buff *skb;
-
-	if (!count || count > 1024)
-		return -EINVAL;
-	skb = dev_alloc_skb(count + 1);
-	if (!skb)
-		return -ENOMEM;
-	skb_trim(skb, 0);
-	skb_put(skb, count + 1);
-	if (copy_from_user(skb->data, user_buf, count)) {
-		kfree_skb(skb);
-		return -EFAULT;
-	}
-	skb->data[count] = 0;
-
-	cw1200_itp_handle(priv, skb);
-	consume_skb(skb);
-	return count;
-}
-
-static unsigned int cw1200_itp_poll(struct file *file, poll_table *wait)
-{
-	struct cw1200_common *priv = file->private_data;
-	struct cw1200_itp *itp = &priv->debug->itp;
-	unsigned int mask = 0;
-
-	poll_wait(file, &itp->read_wait, wait);
-
-	if (!skb_queue_empty(&itp->log_queue))
-		mask |= POLLIN | POLLRDNORM;
-
-	mask |= POLLOUT | POLLWRNORM;
-
-	return mask;
-}
-
-static int cw1200_itp_open(struct inode *inode, struct file *file)
-{
-	struct cw1200_common *priv = inode->i_private;
-	struct cw1200_itp *itp = &priv->debug->itp;
-	int ret = 0;
-
-	file->private_data = priv;
-	if (atomic_inc_return(&itp->open_count) == 1) {
-		ret = __cw1200_itp_open(priv);
-		if (ret && !atomic_dec_return(&itp->open_count))
-			__cw1200_itp_close(priv);
-	} else {
-		atomic_dec(&itp->open_count);
-		ret = -EBUSY;
-	}
-
-	return ret;
-}
-
-static int cw1200_itp_close(struct inode *inode, struct file *file)
-{
-	struct cw1200_common *priv = file->private_data;
-	struct cw1200_itp *itp = &priv->debug->itp;
-	if (!atomic_dec_return(&itp->open_count)) {
-		__cw1200_itp_close(priv);
-		wake_up(&itp->close_wait);
-	}
-	return 0;
-}
-
-static const struct file_operations fops_itp = {
-	.open = cw1200_itp_open,
-	.read = cw1200_itp_read,
-	.write = cw1200_itp_write,
-	.poll = cw1200_itp_poll,
-	.release = cw1200_itp_close,
-	.llseek = default_llseek,
-	.owner = THIS_MODULE,
-};
-
-static void cw1200_itp_fill_pattern(u8 *data, int size,
-		enum cw1200_itp_data_modes mode)
-{
-	if (size <= 0)
-		return;
-
-	switch (mode) {
-	default:
-	case ITP_DATA_ZEROS:
-		memset(data, 0x0, size);
-		break;
-	case ITP_DATA_ONES:
-		memset(data, 0xff, size);
-		break;
-	case ITP_DATA_ZERONES:
-		memset(data, 0x55, size);
-		break;
-	case ITP_DATA_RANDOM:
-		get_random_bytes(data, size);
-		break;
-	}
-	return;
-}
-
-static void cw1200_itp_tx_work(struct work_struct *work)
-{
-	struct cw1200_itp *itp = container_of(work, struct cw1200_itp,
-		    tx_work.work);
-	struct cw1200_common *priv = itp->priv;
-	atomic_set(&priv->bh_tx, 1);
-	wake_up(&priv->bh_wq);
-}
-
-static void cw1200_itp_tx_finish(struct work_struct *work)
-{
-	struct cw1200_itp *itp = container_of(work, struct cw1200_itp,
-		    tx_finish.work);
-	__cw1200_itp_tx_stop(itp->priv);
-}
-
-int cw1200_itp_init(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-
-	itp->priv = priv;
-	atomic_set(&itp->open_count, 0);
-	atomic_set(&itp->stop_tx, 0);
-	atomic_set(&itp->awaiting_confirm, 0);
-	skb_queue_head_init(&itp->log_queue);
-	spin_lock_init(&itp->tx_lock);
-	init_waitqueue_head(&itp->read_wait);
-	init_waitqueue_head(&itp->write_wait);
-	init_waitqueue_head(&itp->close_wait);
-	INIT_DELAYED_WORK(&itp->tx_work, cw1200_itp_tx_work);
-	INIT_DELAYED_WORK(&itp->tx_finish, cw1200_itp_tx_finish);
-	itp->data = NULL;
-	itp->hdr_len = WSM_TX_EXTRA_HEADROOM +
-			sizeof(struct ieee80211_hdr_3addr);
-
-	if (!debugfs_create_file("itp", S_IRUSR | S_IWUSR,
-				 priv->debug->debugfs_phy, priv, &fops_itp))
-		return -ENOMEM;
-
-	return 0;
-}
-
-void cw1200_itp_release(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-
-	wait_event_interruptible(itp->close_wait,
-				 !atomic_read(&itp->open_count));
-
-	WARN_ON(atomic_read(&itp->open_count));
-
-	skb_queue_purge(&itp->log_queue);
-	cw1200_itp_tx_stop(priv);
-}
-
-static int __cw1200_itp_open(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-
-	if (!priv->vif)
-		return -EINVAL;
-	if (priv->join_status)
-		return -EINVAL;
-	itp->saved_channel = priv->channel;
-	if (!priv->channel)
-		priv->channel = &priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0];
-	wsm_set_bssid_filtering(priv, false);
-	cw1200_itp_rx_reset(priv);
-	return 0;
-}
-
-static int __cw1200_itp_close(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	if (atomic_read(&itp->test_mode) == TEST_MODE_RX_TEST)
-		cw1200_itp_rx_stop(priv);
-	cw1200_itp_tx_stop(priv);
-	cw1200_disable_listening(priv);
-	cw1200_update_filtering(priv);
-	priv->channel = itp->saved_channel;
-	return 0;
-}
-
-bool cw1200_is_itp(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	return atomic_read(&itp->open_count) != 0;
-}
-
-static void cw1200_itp_rx_reset(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	itp->rx_cnt = 0;
-	itp->rx_rssi = 0;
-	itp->rx_rssi_max = -1000;
-	itp->rx_rssi_min = 1000;
-}
-
-static void cw1200_itp_rx_start(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-
-	pr_debug("[ITP] RX start, band = %d, ch = %d\n",
-		 itp->band, itp->ch);
-	atomic_set(&itp->test_mode, TEST_MODE_RX_TEST);
-	cw1200_update_listening(priv, false);
-	priv->channel = &priv->hw->
-		wiphy->bands[itp->band]->channels[itp->ch];
-	cw1200_update_listening(priv, true);
-	wsm_set_bssid_filtering(priv, false);
-}
-
-static void cw1200_itp_rx_stop(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	pr_debug("[ITP] RX stop\n");
-	atomic_set(&itp->test_mode, TEST_MODE_NO_TEST);
-	cw1200_itp_rx_reset(priv);
-}
-
-static void cw1200_itp_rx_stats(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	struct sk_buff *skb;
-	char buf[128];
-	int len, ret;
-	struct wsm_mib_counters_table counters;
-
-	ret = wsm_get_counters_table(priv, &counters);
-
-	if (ret)
-		cw1200_itp_err(priv, -EBUSY, 20);
-
-	if (!itp->rx_cnt)
-		len = snprintf(buf, sizeof(buf), "1,0,0,0,0,%d\n",
-			       counters.rx_packet_errors);
-	else
-		len = snprintf(buf, sizeof(buf), "1,%d,%ld,%d,%d,%d\n",
-			       itp->rx_cnt,
-			       itp->rx_cnt ? itp->rx_rssi / itp->rx_cnt : 0,
-			       itp->rx_rssi_min, itp->rx_rssi_max,
-			       counters.rx_packet_errors);
-
-	if (len <= 0) {
-		cw1200_itp_err(priv, -EBUSY, 21);
-		return;
-	}
-
-	skb = dev_alloc_skb(len);
-	if (!skb) {
-		cw1200_itp_err(priv, -ENOMEM, 22);
-		return;
-	}
-
-	itp->rx_cnt = 0;
-	itp->rx_rssi = 0;
-	itp->rx_rssi_max = -1000;
-	itp->rx_rssi_min = 1000;
-
-	skb_trim(skb, 0);
-	skb_put(skb, len);
-
-	memcpy(skb->data, buf, len);
-	skb_queue_tail(&itp->log_queue, skb);
-	wake_up(&itp->read_wait);
-}
-
-static void cw1200_itp_tx_start(struct cw1200_common *priv)
-{
-	struct wsm_tx *tx;
-	struct ieee80211_hdr_3addr *hdr;
-	struct cw1200_itp *itp = &priv->debug->itp;
-	struct wsm_mib_association_mode assoc_mode = {
-		.flags = WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE,
-		.preamble = itp->preamble,
-	};
-	int len;
-	u8 da_addr[6] = ITP_DEFAULT_DA_ADDR;
-
-	/* Rates index 4 and 5 are not supported */
-	if (itp->rate > 3)
-		itp->rate += 2;
-
-	pr_debug("[ITP] TX start: band = %d, ch = %d, rate = %d, preamble = %d, number = %d, data_mode = %d, interval = %d, power = %d, data_len = %d\n",
-		 itp->band, itp->ch, itp->rate, itp->preamble,
-		 itp->number, itp->data_mode, itp->interval_us,
-		 itp->power, itp->data_len);
-
-	len = itp->hdr_len + itp->data_len;
-
-	itp->data = kmalloc(len, GFP_KERNEL);
-	tx = (struct wsm_tx *)itp->data;
-	tx->hdr.len = itp->data_len + itp->hdr_len;
-	tx->hdr.id = __cpu_to_le16(0x0004 | 1 << 6);
-	tx->max_tx_rate = itp->rate;
-	tx->queue_id = 3;
-	tx->more = 0;
-	tx->flags = 0xc;
-	tx->packet_id = 0x55ff55;
-	tx->reserved = 0;
-	tx->expire_time = 1;
-
-	if (itp->preamble == ITP_PREAMBLE_GREENFIELD)
-		tx->ht_tx_parameters = WSM_HT_TX_GREENFIELD;
-	else if (itp->preamble == ITP_PREAMBLE_MIXED)
-		tx->ht_tx_parameters = WSM_HT_TX_MIXED;
-
-	hdr = (struct ieee80211_hdr_3addr *)&itp->data[sizeof(struct wsm_tx)];
-	memset(hdr, 0, sizeof(*hdr));
-	hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |	IEEE80211_FCTL_TODS);
-	memcpy(hdr->addr1, da_addr, ETH_ALEN);
-	memcpy(hdr->addr2, priv->vif->addr, ETH_ALEN);
-	memcpy(hdr->addr3, da_addr, ETH_ALEN);
-
-	cw1200_itp_fill_pattern(&itp->data[itp->hdr_len],
-				itp->data_len, itp->data_mode);
-
-	cw1200_update_listening(priv, false);
-	priv->channel = &priv->hw->wiphy->bands[itp->band]->channels[itp->ch];
-	WARN_ON(wsm_set_output_power(priv, itp->power));
-	if (itp->preamble == ITP_PREAMBLE_SHORT ||
-	    itp->preamble == ITP_PREAMBLE_LONG)
-		WARN_ON(wsm_set_association_mode(priv,
-						 &assoc_mode));
-	wsm_set_bssid_filtering(priv, false);
-	cw1200_update_listening(priv, true);
-
-	spin_lock_bh(&itp->tx_lock);
-	atomic_set(&itp->test_mode, TEST_MODE_TX_TEST);
-	atomic_set(&itp->awaiting_confirm, 0);
-	atomic_set(&itp->stop_tx, 0);
-	atomic_set(&priv->bh_tx, 1);
-	ktime_get_ts(&itp->last_sent);
-	wake_up(&priv->bh_wq);
-	spin_unlock_bh(&itp->tx_lock);
-}
-
-void __cw1200_itp_tx_stop(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	spin_lock_bh(&itp->tx_lock);
-	kfree(itp->data);
-	itp->data = NULL;
-	atomic_set(&itp->test_mode, TEST_MODE_NO_TEST);
-	spin_unlock_bh(&itp->tx_lock);
-}
-
-static void cw1200_itp_tx_stop(struct cw1200_common *priv)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	pr_debug("[ITP] TX stop\n");
-	atomic_set(&itp->stop_tx, 1);
-	flush_workqueue(priv->workqueue);
-
-	/* time for FW to confirm all tx requests */
-	msleep(500);
-
-	__cw1200_itp_tx_stop(priv);
-}
-
-static int cw1200_print_fw_version(struct cw1200_common *priv,
-				   u8 *buf, size_t len)
-{
-	return snprintf(buf, len, "%s %d.%d",
-			cw1200_fw_types[priv->wsm_caps.fw_type],
-			priv->wsm_caps.fw_ver,
-			priv->wsm_caps.fw_build);
-}
-
-static void cw1200_itp_get_version(struct cw1200_common *priv,
-		enum cw1200_itp_version_type type)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	struct sk_buff *skb;
-	char buf[ITP_BUF_SIZE];
-	size_t size = 0;
-	int len;
-	pr_debug("[ITP] print %s version\n",
-		 type == ITP_CHIP_ID ? "chip" : "firmware");
-
-	len = snprintf(buf, ITP_BUF_SIZE, "2,");
-	if (len <= 0) {
-		cw1200_itp_err(priv, -EINVAL, 40);
-		return;
-	}
-	size += len;
-
-	switch (type) {
-	case ITP_CHIP_ID:
-		len = cw1200_print_fw_version(priv, buf+size,
-				ITP_BUF_SIZE - size);
-
-		if (len <= 0) {
-			cw1200_itp_err(priv, -EINVAL, 41);
-			return;
-		}
-		size += len;
-		break;
-	case ITP_FW_VER:
-		len = snprintf(buf+size, ITP_BUF_SIZE - size,
-				"%d.%d", priv->wsm_caps.hw_id,
-				priv->wsm_caps.hw_subid);
-		if (len <= 0) {
-			cw1200_itp_err(priv, -EINVAL, 42);
-			return;
-		}
-		size += len;
-		break;
-	default:
-		cw1200_itp_err(priv, -EINVAL, 43);
-		break;
-	}
-
-	len = snprintf(buf+size, ITP_BUF_SIZE-size, "\n");
-	if (len <= 0) {
-		cw1200_itp_err(priv, -EINVAL, 44);
-		return;
-	}
-	size += len;
-
-	skb = dev_alloc_skb(size);
-	if (!skb) {
-		cw1200_itp_err(priv, -ENOMEM, 45);
-		return;
-	}
-
-	skb_trim(skb, 0);
-	skb_put(skb, size);
-
-	memcpy(skb->data, buf, size);
-	skb_queue_tail(&itp->log_queue, skb);
-	wake_up(&itp->read_wait);
-}
-
-int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data,
-		size_t *tx_len, int *burst)
-{
-	struct cw1200_itp *itp;
-	struct timespec now;
-	int time_left_us;
-
-	if (!priv->debug)
-		return 0;
-
-	itp	= &priv->debug->itp;
-
-	if (!itp)
-		return 0;
-
-	spin_lock_bh(&itp->tx_lock);
-	if (atomic_read(&itp->test_mode) != TEST_MODE_TX_TEST)
-		goto out;
-
-	if (atomic_read(&itp->stop_tx))
-		goto out;
-
-	if (itp->number == 0) {
-		atomic_set(&itp->stop_tx, 1);
-		queue_delayed_work(priv->workqueue, &itp->tx_finish, HZ/10);
-		goto out;
-	}
-
-	if (!itp->data)
-		goto out;
-
-	if (priv->hw_bufs_used >= 2) {
-		if (!atomic_read(&priv->bh_rx))
-			atomic_set(&priv->bh_rx, 1);
-		atomic_set(&priv->bh_tx, 1);
-		goto out;
-	}
-
-	ktime_get_ts(&now);
-	time_left_us = (itp->last_sent.tv_sec -	now.tv_sec)*1000000 +
-		(itp->last_sent.tv_nsec - now.tv_nsec)/1000 +
-		itp->interval_us;
-
-	if (time_left_us > ITP_TIME_THRES_US) {
-		queue_delayed_work(priv->workqueue, &itp->tx_work,
-				   ITP_US_TO_MS(time_left_us)*HZ/1000);
-		goto out;
-	}
-
-	if (time_left_us > 50)
-		udelay(time_left_us);
-
-	if (itp->number > 0)
-		itp->number--;
-
-	*data = itp->data;
-	*tx_len = itp->data_len + itp->hdr_len;
-
-	if (itp->data_mode == ITP_DATA_RANDOM)
-		cw1200_itp_fill_pattern(&itp->data[itp->hdr_len],
-					itp->data_len, itp->data_mode);
-	*burst = 2;
-	atomic_set(&priv->bh_tx, 1);
-	ktime_get_ts(&itp->last_sent);
-	atomic_add(1, &itp->awaiting_confirm);
-	spin_unlock_bh(&itp->tx_lock);
-	return 1;
-
-out:
-	spin_unlock_bh(&itp->tx_lock);
-	return 0;
-}
-
-bool cw1200_itp_rxed(struct cw1200_common *priv, struct sk_buff *skb)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	struct ieee80211_rx_status *rx = IEEE80211_SKB_RXCB(skb);
-	int signal;
-
-	if (atomic_read(&itp->test_mode) != TEST_MODE_RX_TEST)
-		return cw1200_is_itp(priv);
-	if (rx->freq != priv->channel->center_freq)
-		return true;
-
-	signal = rx->signal;
-	itp->rx_cnt++;
-	itp->rx_rssi += signal;
-	if (itp->rx_rssi_min > rx->signal)
-		itp->rx_rssi_min = rx->signal;
-	if (itp->rx_rssi_max < rx->signal)
-		itp->rx_rssi_max = rx->signal;
-
-	return true;
-}
-
-void cw1200_itp_wake_up_tx(struct cw1200_common *priv)
-{
-	wake_up(&priv->debug->itp.write_wait);
-}
-
-bool cw1200_itp_tx_running(struct cw1200_common *priv)
-{
-	if (atomic_read(&priv->debug->itp.awaiting_confirm) ||
-	    atomic_read(&priv->debug->itp.test_mode) ==
-	    TEST_MODE_TX_TEST) {
-		atomic_sub(1, &priv->debug->itp.awaiting_confirm);
-		return true;
-	}
-	return false;
-}
-
-static void cw1200_itp_handle(struct cw1200_common *priv,
-			      struct sk_buff *skb)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	const struct wiphy *wiphy = priv->hw->wiphy;
-	int cmd;
-	int ret;
-
-	pr_debug("[ITP] <<< %s", skb->data);
-	if (sscanf(skb->data, "%d", &cmd) != 1) {
-		cw1200_itp_err(priv, -EINVAL, 1);
-		return;
-	}
-
-	switch (cmd) {
-	case 1: /* RX test */
-		if (atomic_read(&itp->test_mode)) {
-			cw1200_itp_err(priv, -EBUSY, 0);
-			return;
-		}
-		ret = sscanf(skb->data, "%d,%d,%d",
-				&cmd, &itp->band, &itp->ch);
-		if (ret != 3) {
-			cw1200_itp_err(priv, -EINVAL, ret + 1);
-			return;
-		}
-		if (itp->band >= 2) {
-			cw1200_itp_err(priv, -EINVAL, 2);
-		} else if (!wiphy->bands[itp->band]) {
-			cw1200_itp_err(priv, -EINVAL, 2);
-		} else if (itp->ch >= wiphy->bands[itp->band]->n_channels) {
-			cw1200_itp_err(priv, -EINVAL, 3);
-		} else {
-			cw1200_itp_rx_stats(priv);
-			cw1200_itp_rx_start(priv);
-		}
-		break;
-	case 2: /* RX stat */
-		cw1200_itp_rx_stats(priv);
-		break;
-	case 3: /* RX/TX stop */
-		if (atomic_read(&itp->test_mode) == TEST_MODE_RX_TEST) {
-			cw1200_itp_rx_stats(priv);
-			cw1200_itp_rx_stop(priv);
-		} else if (atomic_read(&itp->test_mode) == TEST_MODE_TX_TEST) {
-			cw1200_itp_tx_stop(priv);
-		} else {
-			cw1200_itp_err(priv, -EBUSY, 0);
-		}
-		break;
-	case 4: /* TX start */
-		if (atomic_read(&itp->test_mode) != TEST_MODE_NO_TEST) {
-			cw1200_itp_err(priv, -EBUSY, 0);
-			return;
-		}
-		ret = sscanf(skb->data, "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d",
-				&cmd, &itp->band, &itp->ch, &itp->rate,
-				&itp->preamble, &itp->number, &itp->data_mode,
-				&itp->interval_us, &itp->power, &itp->data_len);
-		if (ret != 10) {
-			cw1200_itp_err(priv, -EINVAL, ret + 1);
-			return;
-		}
-		if (itp->band >= 2) {
-			cw1200_itp_err(priv, -EINVAL, 2);
-		} else if (!wiphy->bands[itp->band]) {
-			cw1200_itp_err(priv, -EINVAL, 2);
-		} else if (itp->ch >= wiphy->bands[itp->band]->n_channels) {
-			cw1200_itp_err(priv, -EINVAL, 3);
-		} else if (itp->rate >= 20) {
-			cw1200_itp_err(priv, -EINVAL, 4);
-		} else if (itp->preamble >= ITP_PREAMBLE_MAX) {
-			cw1200_itp_err(priv, -EINVAL, 5);
-		} else if (itp->data_mode >= ITP_DATA_MAX_MODE) {
-			cw1200_itp_err(priv, -EINVAL, 7);
-		} else if (itp->data_len < ITP_MIN_DATA_SIZE ||
-			   itp->data_len > (priv->wsm_caps.input_buffer_size - itp->hdr_len)) {
-			cw1200_itp_err(priv, -EINVAL, 8);
-		} else {
-		    cw1200_itp_tx_start(priv);
-		}
-		break;
-	case 5:
-		cw1200_itp_get_version(priv, ITP_CHIP_ID);
-		break;
-	case 6:
-		cw1200_itp_get_version(priv, ITP_FW_VER);
-		break;
-	}
-}
-
-static void cw1200_itp_err(struct cw1200_common *priv,
-			   int err, int arg)
-{
-	struct cw1200_itp *itp = &priv->debug->itp;
-	struct sk_buff *skb;
-	static char buf[255];
-	int len;
-
-	len = snprintf(buf, sizeof(buf), "%d,%d\n",
-		err, arg);
-	if (len <= 0)
-		return;
-
-	skb = dev_alloc_skb(len);
-	if (!skb)
-		return;
-
-	skb_trim(skb, 0);
-	skb_put(skb, len);
-
-	memcpy(skb->data, buf, len);
-	skb_queue_tail(&itp->log_queue, skb);
-	wake_up(&itp->read_wait);
-
-	len = sprint_symbol(buf,
-			(unsigned long)__builtin_return_address(0));
-	if (len <= 0)
-		return;
-	pr_debug("[ITP] error %d,%d from %s\n",
-		 err, arg, buf);
-}
diff --git a/drivers/net/wireless/cw1200/itp.h b/drivers/net/wireless/cw1200/itp.h
deleted file mode 100644
index 1e9dfb7fcadc..000000000000
--- a/drivers/net/wireless/cw1200/itp.h
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * ITP code for ST-Ericsson CW1200 mac80211 driver
- *
- * Copyright (c) 2011, ST-Ericsson
- * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
- *
- * 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.
- */
-
-#ifndef CW1200_ITP_H_INCLUDED
-#define CW1200_ITP_H_INCLUDED
-
-struct cw200_common;
-struct wsm_tx_confirm;
-struct dentry;
-
-#ifdef CONFIG_CW1200_ITP
-
-/*extern*/ struct ieee80211_channel;
-
-#define TEST_MODE_NO_TEST	(0)
-#define TEST_MODE_RX_TEST	(1)
-#define TEST_MODE_TX_TEST	(2)
-#define ITP_DEFAULT_DA_ADDR {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
-#define ITP_MIN_DATA_SIZE 6
-#define ITP_MAX_DATA_SIZE 1600
-#define ITP_TIME_THRES_US 10000
-#define ITP_US_TO_MS(x) ((x)/1000)
-#define ITP_MS_TO_US(x) ((x)*1000)
-#define ITP_BUF_SIZE 255
-
-
-enum cw1200_itp_data_modes {
-	ITP_DATA_ZEROS,
-	ITP_DATA_ONES,
-	ITP_DATA_ZERONES,
-	ITP_DATA_RANDOM,
-	ITP_DATA_MAX_MODE,
-};
-
-enum cw1200_itp_version_type {
-	ITP_CHIP_ID,
-	ITP_FW_VER,
-};
-
-enum cw1200_itp_preamble_type {
-	ITP_PREAMBLE_LONG,
-	ITP_PREAMBLE_SHORT,
-	ITP_PREAMBLE_OFDM,
-	ITP_PREAMBLE_MIXED,
-	ITP_PREAMBLE_GREENFIELD,
-	ITP_PREAMBLE_MAX,
-};
-
-
-struct cw1200_itp {
-	struct cw1200_common	*priv;
-	atomic_t		open_count;
-	atomic_t		awaiting_confirm;
-	struct sk_buff_head	log_queue;
-	wait_queue_head_t	read_wait;
-	wait_queue_head_t	write_wait;
-	wait_queue_head_t	close_wait;
-	struct ieee80211_channel *saved_channel;
-	atomic_t		stop_tx;
-	struct delayed_work	tx_work;
-	struct delayed_work	tx_finish;
-	spinlock_t		tx_lock;
-	struct timespec		last_sent;
-	atomic_t		test_mode;
-	int			rx_cnt;
-	long			rx_rssi;
-	int			rx_rssi_max;
-	int			rx_rssi_min;
-	unsigned		band;
-	unsigned		ch;
-	unsigned		rate;
-	unsigned		preamble;
-	unsigned int		number;
-	unsigned		data_mode;
-	int			interval_us;
-	int			power;
-	u8			*data;
-	int			hdr_len;
-	int			data_len;
-};
-
-int cw1200_itp_init(struct cw1200_common *priv);
-void cw1200_itp_release(struct cw1200_common *priv);
-
-bool cw1200_is_itp(struct cw1200_common *priv);
-bool cw1200_itp_rxed(struct cw1200_common *priv, struct sk_buff *skb);
-void cw1200_itp_wake_up_tx(struct cw1200_common *priv);
-int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data,
-		size_t *tx_len, int *burst);
-bool cw1200_itp_tx_running(struct cw1200_common *priv);
-
-#else /* CONFIG_CW1200_ITP */
-
-static inline int cw1200_itp_init(struct cw1200_common *priv)
-{
-	return 0;
-}
-
-static inline void cw1200_itp_release(struct cw1200_common *priv)
-{
-}
-
-static inline bool cw1200_is_itp(struct cw1200_common *priv)
-{
-	return false;
-}
-
-static inline bool cw1200_itp_rxed(struct cw1200_common *priv,
-				   struct sk_buff *skb)
-{
-	return false;
-}
-
-
-static inline void cw1200_itp_consume_txed(struct cw1200_common *priv)
-{
-}
-
-static inline void cw1200_itp_wake_up_tx(struct cw1200_common *priv)
-{
-}
-
-static inline int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data,
-				    size_t *tx_len, int *burst)
-{
-	return 0;
-}
-
-static inline bool cw1200_itp_tx_running(struct cw1200_common *priv)
-{
-	return false;
-}
-
-#endif /* CONFIG_CW1200_ITP */
-
-#endif /* CW1200_ITP_H_INCLUDED */
diff --git a/drivers/net/wireless/cw1200/txrx.c b/drivers/net/wireless/cw1200/txrx.c
index a2547473ec5c..451d74625f90 100644
--- a/drivers/net/wireless/cw1200/txrx.c
+++ b/drivers/net/wireless/cw1200/txrx.c
@@ -861,9 +861,6 @@ void cw1200_tx_confirm_cb(struct cw1200_common *priv,
 	pr_debug("[TX] TX confirm: %d, %d.\n",
 		 arg->status, arg->ack_failures);
 
-	if (cw1200_itp_tx_running(priv))
-		return;
-
 	if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) {
 		/* STA is stopped. */
 		return;
@@ -1001,8 +998,7 @@ void cw1200_skb_dtor(struct cw1200_common *priv,
 					  txpriv->raw_link_id, txpriv->tid);
 		tx_policy_put(priv, txpriv->rate_id);
 	}
-	if (!cw1200_is_itp(priv))
-		ieee80211_tx_status(priv->hw, skb);
+	ieee80211_tx_status(priv->hw, skb);
 }
 
 void cw1200_rx_cb(struct cw1200_common *priv,
@@ -1205,9 +1201,7 @@ void cw1200_rx_cb(struct cw1200_common *priv,
 		grace_period = 1 * HZ;
 	cw1200_pm_stay_awake(&priv->pm_state, grace_period);
 
-	if (cw1200_itp_rxed(priv, skb)) {
-		consume_skb(skb);
-	} else if (early_data) {
+	if (early_data) {
 		spin_lock_bh(&priv->ps_state_lock);
 		/* Double-check status with lock held */
 		if (entry->status == CW1200_LINK_SOFT)
diff --git a/drivers/net/wireless/cw1200/wsm.c b/drivers/net/wireless/cw1200/wsm.c
index 3ab25f661793..e99f34e7604d 100644
--- a/drivers/net/wireless/cw1200/wsm.c
+++ b/drivers/net/wireless/cw1200/wsm.c
@@ -21,7 +21,6 @@
 #include "bh.h"
 #include "sta.h"
 #include "debug.h"
-#include "itp.h"
 
 #define WSM_CMD_TIMEOUT		(2 * HZ) /* With respect to interrupt loss */
 #define WSM_CMD_START_TIMEOUT	(7 * HZ)
@@ -1733,12 +1732,6 @@ int wsm_get_tx(struct cw1200_common *priv, u8 **data,
 	/* More is used only for broadcasts. */
 	bool more = false;
 
-#ifdef CONFIG_CW1200_ITP
-	count = cw1200_itp_get_tx(priv, data, tx_len, burst);
-	if (count)
-		return count;
-#endif
-
 	if (priv->wsm_cmd.ptr) { /* CMD request */
 		++count;
 		spin_lock(&priv->wsm_cmd.lock);