p54: move under intersil vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 0 insertions, 867 deletions

diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
deleted file mode 100644
index 7805864e76f9..000000000000
--- a/drivers/net/wireless/p54/main.c
+++ /dev/null
@@ -1,867 +0,0 @@
-/*
- * mac80211 glue code for mac80211 Prism54 drivers
- *
- * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
- * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de>
- * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
- *
- * Based on:
- * - the islsm (softmac prism54) driver, which is:
- *   Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
- * - stlc45xx driver
- *   Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- *
- * 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/slab.h>
-#include <linux/firmware.h>
-#include <linux/etherdevice.h>
-#include <linux/module.h>
-
-#include <net/mac80211.h>
-
-#include "p54.h"
-#include "lmac.h"
-
-static bool modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
-MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
-MODULE_DESCRIPTION("Softmac Prism54 common code");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("prism54common");
-
-static int p54_sta_add_remove(struct ieee80211_hw *hw,
-			      struct ieee80211_vif *vif,
-			      struct ieee80211_sta *sta)
-{
-	struct p54_common *priv = hw->priv;
-
-	/*
-	 * Notify the firmware that we don't want or we don't
-	 * need to buffer frames for this station anymore.
-	 */
-
-	p54_sta_unlock(priv, sta->addr);
-
-	return 0;
-}
-
-static void p54_sta_notify(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
-			      enum sta_notify_cmd notify_cmd,
-			      struct ieee80211_sta *sta)
-{
-	struct p54_common *priv = dev->priv;
-
-	switch (notify_cmd) {
-	case STA_NOTIFY_AWAKE:
-		/* update the firmware's filter table */
-		p54_sta_unlock(priv, sta->addr);
-		break;
-	default:
-		break;
-	}
-}
-
-static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
-			bool set)
-{
-	struct p54_common *priv = dev->priv;
-
-	return p54_update_beacon_tim(priv, sta->aid, set);
-}
-
-u8 *p54_find_ie(struct sk_buff *skb, u8 ie)
-{
-	struct ieee80211_mgmt *mgmt = (void *)skb->data;
-	u8 *pos, *end;
-
-	if (skb->len <= sizeof(mgmt))
-		return NULL;
-
-	pos = (u8 *)mgmt->u.beacon.variable;
-	end = skb->data + skb->len;
-	while (pos < end) {
-		if (pos + 2 + pos[1] > end)
-			return NULL;
-
-		if (pos[0] == ie)
-			return pos;
-
-		pos += 2 + pos[1];
-	}
-	return NULL;
-}
-
-static int p54_beacon_format_ie_tim(struct sk_buff *skb)
-{
-	/*
-	 * the good excuse for this mess is ... the firmware.
-	 * The dummy TIM MUST be at the end of the beacon frame,
-	 * because it'll be overwritten!
-	 */
-	u8 *tim;
-	u8 dtim_len;
-	u8 dtim_period;
-	u8 *next;
-
-	tim = p54_find_ie(skb, WLAN_EID_TIM);
-	if (!tim)
-		return 0;
-
-	dtim_len = tim[1];
-	dtim_period = tim[3];
-	next = tim + 2 + dtim_len;
-
-	if (dtim_len < 3)
-		return -EINVAL;
-
-	memmove(tim, next, skb_tail_pointer(skb) - next);
-	tim = skb_tail_pointer(skb) - (dtim_len + 2);
-
-	/* add the dummy at the end */
-	tim[0] = WLAN_EID_TIM;
-	tim[1] = 3;
-	tim[2] = 0;
-	tim[3] = dtim_period;
-	tim[4] = 0;
-
-	if (dtim_len > 3)
-		skb_trim(skb, skb->len - (dtim_len - 3));
-
-	return 0;
-}
-
-static int p54_beacon_update(struct p54_common *priv,
-			struct ieee80211_vif *vif)
-{
-	struct ieee80211_tx_control control = { };
-	struct sk_buff *beacon;
-	int ret;
-
-	beacon = ieee80211_beacon_get(priv->hw, vif);
-	if (!beacon)
-		return -ENOMEM;
-	ret = p54_beacon_format_ie_tim(beacon);
-	if (ret)
-		return ret;
-
-	/*
-	 * During operation, the firmware takes care of beaconing.
-	 * The driver only needs to upload a new beacon template, once
-	 * the template was changed by the stack or userspace.
-	 *
-	 * LMAC API 3.2.2 also specifies that the driver does not need
-	 * to cancel the old beacon template by hand, instead the firmware
-	 * will release the previous one through the feedback mechanism.
-	 */
-	p54_tx_80211(priv->hw, &control, beacon);
-	priv->tsf_high32 = 0;
-	priv->tsf_low32 = 0;
-
-	return 0;
-}
-
-static int p54_start(struct ieee80211_hw *dev)
-{
-	struct p54_common *priv = dev->priv;
-	int err;
-
-	mutex_lock(&priv->conf_mutex);
-	err = priv->open(dev);
-	if (err)
-		goto out;
-	P54_SET_QUEUE(priv->qos_params[0], 0x0002, 0x0003, 0x0007, 47);
-	P54_SET_QUEUE(priv->qos_params[1], 0x0002, 0x0007, 0x000f, 94);
-	P54_SET_QUEUE(priv->qos_params[2], 0x0003, 0x000f, 0x03ff, 0);
-	P54_SET_QUEUE(priv->qos_params[3], 0x0007, 0x000f, 0x03ff, 0);
-	err = p54_set_edcf(priv);
-	if (err)
-		goto out;
-
-	eth_broadcast_addr(priv->bssid);
-	priv->mode = NL80211_IFTYPE_MONITOR;
-	err = p54_setup_mac(priv);
-	if (err) {
-		priv->mode = NL80211_IFTYPE_UNSPECIFIED;
-		goto out;
-	}
-
-	ieee80211_queue_delayed_work(dev, &priv->work, 0);
-
-	priv->softled_state = 0;
-	err = p54_set_leds(priv);
-
-out:
-	mutex_unlock(&priv->conf_mutex);
-	return err;
-}
-
-static void p54_stop(struct ieee80211_hw *dev)
-{
-	struct p54_common *priv = dev->priv;
-	int i;
-
-	priv->mode = NL80211_IFTYPE_UNSPECIFIED;
-	priv->softled_state = 0;
-	cancel_delayed_work_sync(&priv->work);
-	mutex_lock(&priv->conf_mutex);
-	p54_set_leds(priv);
-	priv->stop(dev);
-	skb_queue_purge(&priv->tx_pending);
-	skb_queue_purge(&priv->tx_queue);
-	for (i = 0; i < P54_QUEUE_NUM; i++) {
-		priv->tx_stats[i].count = 0;
-		priv->tx_stats[i].len = 0;
-	}
-
-	priv->beacon_req_id = cpu_to_le32(0);
-	priv->tsf_high32 = priv->tsf_low32 = 0;
-	mutex_unlock(&priv->conf_mutex);
-}
-
-static int p54_add_interface(struct ieee80211_hw *dev,
-			     struct ieee80211_vif *vif)
-{
-	struct p54_common *priv = dev->priv;
-	int err;
-
-	vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
-
-	mutex_lock(&priv->conf_mutex);
-	if (priv->mode != NL80211_IFTYPE_MONITOR) {
-		mutex_unlock(&priv->conf_mutex);
-		return -EOPNOTSUPP;
-	}
-
-	priv->vif = vif;
-
-	switch (vif->type) {
-	case NL80211_IFTYPE_STATION:
-	case NL80211_IFTYPE_ADHOC:
-	case NL80211_IFTYPE_AP:
-	case NL80211_IFTYPE_MESH_POINT:
-		priv->mode = vif->type;
-		break;
-	default:
-		mutex_unlock(&priv->conf_mutex);
-		return -EOPNOTSUPP;
-	}
-
-	memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
-	err = p54_setup_mac(priv);
-	mutex_unlock(&priv->conf_mutex);
-	return err;
-}
-
-static void p54_remove_interface(struct ieee80211_hw *dev,
-				 struct ieee80211_vif *vif)
-{
-	struct p54_common *priv = dev->priv;
-
-	mutex_lock(&priv->conf_mutex);
-	priv->vif = NULL;
-
-	/*
-	 * LMAC API 3.2.2 states that any active beacon template must be
-	 * canceled by the driver before attempting a mode transition.
-	 */
-	if (le32_to_cpu(priv->beacon_req_id) != 0) {
-		p54_tx_cancel(priv, priv->beacon_req_id);
-		wait_for_completion_interruptible_timeout(&priv->beacon_comp, HZ);
-	}
-	priv->mode = NL80211_IFTYPE_MONITOR;
-	eth_zero_addr(priv->mac_addr);
-	eth_zero_addr(priv->bssid);
-	p54_setup_mac(priv);
-	mutex_unlock(&priv->conf_mutex);
-}
-
-static int p54_wait_for_stats(struct ieee80211_hw *dev)
-{
-	struct p54_common *priv = dev->priv;
-	int ret;
-
-	priv->update_stats = true;
-	ret = p54_fetch_statistics(priv);
-	if (ret)
-		return ret;
-
-	ret = wait_for_completion_interruptible_timeout(&priv->stat_comp, HZ);
-	if (ret == 0)
-		return -ETIMEDOUT;
-
-	return 0;
-}
-
-static void p54_reset_stats(struct p54_common *priv)
-{
-	struct ieee80211_channel *chan = priv->curchan;
-
-	if (chan) {
-		struct survey_info *info = &priv->survey[chan->hw_value];
-
-		/* only reset channel statistics, don't touch .filled, etc. */
-		info->time = 0;
-		info->time_busy = 0;
-		info->time_tx = 0;
-	}
-
-	priv->update_stats = true;
-	priv->survey_raw.active = 0;
-	priv->survey_raw.cca = 0;
-	priv->survey_raw.tx = 0;
-}
-
-static int p54_config(struct ieee80211_hw *dev, u32 changed)
-{
-	int ret = 0;
-	struct p54_common *priv = dev->priv;
-	struct ieee80211_conf *conf = &dev->conf;
-
-	mutex_lock(&priv->conf_mutex);
-	if (changed & IEEE80211_CONF_CHANGE_POWER)
-		priv->output_power = conf->power_level << 2;
-	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-		struct ieee80211_channel *oldchan;
-		WARN_ON(p54_wait_for_stats(dev));
-		oldchan = priv->curchan;
-		priv->curchan = NULL;
-		ret = p54_scan(priv, P54_SCAN_EXIT, 0);
-		if (ret) {
-			priv->curchan = oldchan;
-			goto out;
-		}
-		/*
-		 * TODO: Use the LM_SCAN_TRAP to determine the current
-		 * operating channel.
-		 */
-		priv->curchan = priv->hw->conf.chandef.chan;
-		p54_reset_stats(priv);
-		WARN_ON(p54_fetch_statistics(priv));
-	}
-	if (changed & IEEE80211_CONF_CHANGE_PS) {
-		WARN_ON(p54_wait_for_stats(dev));
-		ret = p54_set_ps(priv);
-		if (ret)
-			goto out;
-		WARN_ON(p54_wait_for_stats(dev));
-	}
-	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
-		WARN_ON(p54_wait_for_stats(dev));
-		ret = p54_setup_mac(priv);
-		if (ret)
-			goto out;
-		WARN_ON(p54_wait_for_stats(dev));
-	}
-
-out:
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-static u64 p54_prepare_multicast(struct ieee80211_hw *dev,
-				 struct netdev_hw_addr_list *mc_list)
-{
-	struct p54_common *priv = dev->priv;
-	struct netdev_hw_addr *ha;
-	int i;
-
-	BUILD_BUG_ON(ARRAY_SIZE(priv->mc_maclist) !=
-		ARRAY_SIZE(((struct p54_group_address_table *)NULL)->mac_list));
-	/*
-	 * The first entry is reserved for the global broadcast MAC.
-	 * Otherwise the firmware will drop it and ARP will no longer work.
-	 */
-	i = 1;
-	priv->mc_maclist_num = netdev_hw_addr_list_count(mc_list) + i;
-	netdev_hw_addr_list_for_each(ha, mc_list) {
-		memcpy(&priv->mc_maclist[i], ha->addr, ETH_ALEN);
-		i++;
-		if (i >= ARRAY_SIZE(priv->mc_maclist))
-			break;
-	}
-
-	return 1; /* update */
-}
-
-static void p54_configure_filter(struct ieee80211_hw *dev,
-				 unsigned int changed_flags,
-				 unsigned int *total_flags,
-				 u64 multicast)
-{
-	struct p54_common *priv = dev->priv;
-
-	*total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS;
-
-	priv->filter_flags = *total_flags;
-
-	if (changed_flags & FIF_OTHER_BSS)
-		p54_setup_mac(priv);
-
-	if (changed_flags & FIF_ALLMULTI || multicast)
-		p54_set_groupfilter(priv);
-}
-
-static int p54_conf_tx(struct ieee80211_hw *dev,
-		       struct ieee80211_vif *vif, u16 queue,
-		       const struct ieee80211_tx_queue_params *params)
-{
-	struct p54_common *priv = dev->priv;
-	int ret;
-
-	mutex_lock(&priv->conf_mutex);
-	if (queue < dev->queues) {
-		P54_SET_QUEUE(priv->qos_params[queue], params->aifs,
-			params->cw_min, params->cw_max, params->txop);
-		ret = p54_set_edcf(priv);
-	} else
-		ret = -EINVAL;
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-static void p54_work(struct work_struct *work)
-{
-	struct p54_common *priv = container_of(work, struct p54_common,
-					       work.work);
-
-	if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED))
-		return ;
-
-	/*
-	 * TODO: walk through tx_queue and do the following tasks
-	 * 	1. initiate bursts.
-	 *      2. cancel stuck frames / reset the device if necessary.
-	 */
-
-	mutex_lock(&priv->conf_mutex);
-	WARN_ON_ONCE(p54_fetch_statistics(priv));
-	mutex_unlock(&priv->conf_mutex);
-}
-
-static int p54_get_stats(struct ieee80211_hw *dev,
-			 struct ieee80211_low_level_stats *stats)
-{
-	struct p54_common *priv = dev->priv;
-
-	memcpy(stats, &priv->stats, sizeof(*stats));
-	return 0;
-}
-
-static void p54_bss_info_changed(struct ieee80211_hw *dev,
-				 struct ieee80211_vif *vif,
-				 struct ieee80211_bss_conf *info,
-				 u32 changed)
-{
-	struct p54_common *priv = dev->priv;
-
-	mutex_lock(&priv->conf_mutex);
-	if (changed & BSS_CHANGED_BSSID) {
-		memcpy(priv->bssid, info->bssid, ETH_ALEN);
-		p54_setup_mac(priv);
-	}
-
-	if (changed & BSS_CHANGED_BEACON) {
-		p54_scan(priv, P54_SCAN_EXIT, 0);
-		p54_setup_mac(priv);
-		p54_beacon_update(priv, vif);
-		p54_set_edcf(priv);
-	}
-
-	if (changed & (BSS_CHANGED_ERP_SLOT | BSS_CHANGED_BEACON)) {
-		priv->use_short_slot = info->use_short_slot;
-		p54_set_edcf(priv);
-	}
-	if (changed & BSS_CHANGED_BASIC_RATES) {
-		if (dev->conf.chandef.chan->band == IEEE80211_BAND_5GHZ)
-			priv->basic_rate_mask = (info->basic_rates << 4);
-		else
-			priv->basic_rate_mask = info->basic_rates;
-		p54_setup_mac(priv);
-		if (priv->fw_var >= 0x500)
-			p54_scan(priv, P54_SCAN_EXIT, 0);
-	}
-	if (changed & BSS_CHANGED_ASSOC) {
-		if (info->assoc) {
-			priv->aid = info->aid;
-			priv->wakeup_timer = info->beacon_int *
-					     info->dtim_period * 5;
-			p54_setup_mac(priv);
-		} else {
-			priv->wakeup_timer = 500;
-			priv->aid = 0;
-		}
-	}
-
-	mutex_unlock(&priv->conf_mutex);
-}
-
-static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd,
-		       struct ieee80211_vif *vif, struct ieee80211_sta *sta,
-		       struct ieee80211_key_conf *key)
-{
-	struct p54_common *priv = dev->priv;
-	int slot, ret = 0;
-	u8 algo = 0;
-	u8 *addr = NULL;
-
-	if (modparam_nohwcrypt)
-		return -EOPNOTSUPP;
-
-	if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) {
-		/*
-		 * Unfortunately most/all firmwares are trying to decrypt
-		 * incoming management frames if a suitable key can be found.
-		 * However, in doing so the data in these frames gets
-		 * corrupted. So, we can't have firmware supported crypto
-		 * offload in this case.
-		 */
-		return -EOPNOTSUPP;
-	}
-
-	mutex_lock(&priv->conf_mutex);
-	if (cmd == SET_KEY) {
-		switch (key->cipher) {
-		case WLAN_CIPHER_SUITE_TKIP:
-			if (!(priv->privacy_caps & (BR_DESC_PRIV_CAP_MICHAEL |
-			      BR_DESC_PRIV_CAP_TKIP))) {
-				ret = -EOPNOTSUPP;
-				goto out_unlock;
-			}
-			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-			algo = P54_CRYPTO_TKIPMICHAEL;
-			break;
-		case WLAN_CIPHER_SUITE_WEP40:
-		case WLAN_CIPHER_SUITE_WEP104:
-			if (!(priv->privacy_caps & BR_DESC_PRIV_CAP_WEP)) {
-				ret = -EOPNOTSUPP;
-				goto out_unlock;
-			}
-			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-			algo = P54_CRYPTO_WEP;
-			break;
-		case WLAN_CIPHER_SUITE_CCMP:
-			if (!(priv->privacy_caps & BR_DESC_PRIV_CAP_AESCCMP)) {
-				ret = -EOPNOTSUPP;
-				goto out_unlock;
-			}
-			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-			algo = P54_CRYPTO_AESCCMP;
-			break;
-		default:
-			ret = -EOPNOTSUPP;
-			goto out_unlock;
-		}
-		slot = bitmap_find_free_region(priv->used_rxkeys,
-					       priv->rx_keycache_size, 0);
-
-		if (slot < 0) {
-			/*
-			 * The device supports the chosen algorithm, but the
-			 * firmware does not provide enough key slots to store
-			 * all of them.
-			 * But encryption offload for outgoing frames is always
-			 * possible, so we just pretend that the upload was
-			 * successful and do the decryption in software.
-			 */
-
-			/* mark the key as invalid. */
-			key->hw_key_idx = 0xff;
-			goto out_unlock;
-		}
-
-		key->flags |= IEEE80211_KEY_FLAG_RESERVE_TAILROOM;
-	} else {
-		slot = key->hw_key_idx;
-
-		if (slot == 0xff) {
-			/* This key was not uploaded into the rx key cache. */
-
-			goto out_unlock;
-		}
-
-		bitmap_release_region(priv->used_rxkeys, slot, 0);
-		algo = 0;
-	}
-
-	if (sta)
-		addr = sta->addr;
-
-	ret = p54_upload_key(priv, algo, slot, key->keyidx,
-			     key->keylen, addr, key->key);
-	if (ret) {
-		bitmap_release_region(priv->used_rxkeys, slot, 0);
-		ret = -EOPNOTSUPP;
-		goto out_unlock;
-	}
-
-	key->hw_key_idx = slot;
-
-out_unlock:
-	mutex_unlock(&priv->conf_mutex);
-	return ret;
-}
-
-static int p54_get_survey(struct ieee80211_hw *dev, int idx,
-				struct survey_info *survey)
-{
-	struct p54_common *priv = dev->priv;
-	struct ieee80211_channel *chan;
-	int err, tries;
-	bool in_use = false;
-
-	if (idx >= priv->chan_num)
-		return -ENOENT;
-
-#define MAX_TRIES 1
-	for (tries = 0; tries < MAX_TRIES; tries++) {
-		chan = priv->curchan;
-		if (chan && chan->hw_value == idx) {
-			mutex_lock(&priv->conf_mutex);
-			err = p54_wait_for_stats(dev);
-			mutex_unlock(&priv->conf_mutex);
-			if (err)
-				return err;
-
-			in_use = true;
-		}
-
-		memcpy(survey, &priv->survey[idx], sizeof(*survey));
-
-		if (in_use) {
-			/* test if the reported statistics are valid. */
-			if  (survey->time != 0) {
-				survey->filled |= SURVEY_INFO_IN_USE;
-			} else {
-				/*
-				 * hw/fw has not accumulated enough sample sets.
-				 * Wait for 100ms, this ought to be enough to
-				 * to get at least one non-null set of channel
-				 * usage statistics.
-				 */
-				msleep(100);
-				continue;
-			}
-		}
-		return 0;
-	}
-	return -ETIMEDOUT;
-#undef MAX_TRIES
-}
-
-static unsigned int p54_flush_count(struct p54_common *priv)
-{
-	unsigned int total = 0, i;
-
-	BUILD_BUG_ON(P54_QUEUE_NUM > ARRAY_SIZE(priv->tx_stats));
-
-	/*
-	 * Because the firmware has the sole control over any frames
-	 * in the P54_QUEUE_BEACON or P54_QUEUE_SCAN queues, they
-	 * don't really count as pending or active.
-	 */
-	for (i = P54_QUEUE_MGMT; i < P54_QUEUE_NUM; i++)
-		total += priv->tx_stats[i].len;
-	return total;
-}
-
-static void p54_flush(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
-		      u32 queues, bool drop)
-{
-	struct p54_common *priv = dev->priv;
-	unsigned int total, i;
-
-	/*
-	 * Currently, it wouldn't really matter if we wait for one second
-	 * or 15 minutes. But once someone gets around and completes the
-	 * TODOs [ancel stuck frames / reset device] in p54_work, it will
-	 * suddenly make sense to wait that long.
-	 */
-	i = P54_STATISTICS_UPDATE * 2 / 20;
-
-	/*
-	 * In this case no locking is required because as we speak the
-	 * queues have already been stopped and no new frames can sneak
-	 * up from behind.
-	 */
-	while ((total = p54_flush_count(priv) && i--)) {
-		/* waste time */
-		msleep(20);
-	}
-
-	WARN(total, "tx flush timeout, unresponsive firmware");
-}
-
-static void p54_set_coverage_class(struct ieee80211_hw *dev,
-				   s16 coverage_class)
-{
-	struct p54_common *priv = dev->priv;
-
-	mutex_lock(&priv->conf_mutex);
-	/* support all coverage class values as in 802.11-2007 Table 7-27 */
-	priv->coverage_class = clamp_t(u8, coverage_class, 0, 31);
-	p54_set_edcf(priv);
-	mutex_unlock(&priv->conf_mutex);
-}
-
-static const struct ieee80211_ops p54_ops = {
-	.tx			= p54_tx_80211,
-	.start			= p54_start,
-	.stop			= p54_stop,
-	.add_interface		= p54_add_interface,
-	.remove_interface	= p54_remove_interface,
-	.set_tim		= p54_set_tim,
-	.sta_notify		= p54_sta_notify,
-	.sta_add		= p54_sta_add_remove,
-	.sta_remove		= p54_sta_add_remove,
-	.set_key		= p54_set_key,
-	.config			= p54_config,
-	.flush			= p54_flush,
-	.bss_info_changed	= p54_bss_info_changed,
-	.prepare_multicast	= p54_prepare_multicast,
-	.configure_filter	= p54_configure_filter,
-	.conf_tx		= p54_conf_tx,
-	.get_stats		= p54_get_stats,
-	.get_survey		= p54_get_survey,
-	.set_coverage_class	= p54_set_coverage_class,
-};
-
-struct ieee80211_hw *p54_init_common(size_t priv_data_len)
-{
-	struct ieee80211_hw *dev;
-	struct p54_common *priv;
-
-	dev = ieee80211_alloc_hw(priv_data_len, &p54_ops);
-	if (!dev)
-		return NULL;
-
-	priv = dev->priv;
-	priv->hw = dev;
-	priv->mode = NL80211_IFTYPE_UNSPECIFIED;
-	priv->basic_rate_mask = 0x15f;
-	spin_lock_init(&priv->tx_stats_lock);
-	skb_queue_head_init(&priv->tx_queue);
-	skb_queue_head_init(&priv->tx_pending);
-	ieee80211_hw_set(dev, REPORTS_TX_ACK_STATUS);
-	ieee80211_hw_set(dev, MFP_CAPABLE);
-	ieee80211_hw_set(dev, PS_NULLFUNC_STACK);
-	ieee80211_hw_set(dev, SUPPORTS_PS);
-	ieee80211_hw_set(dev, RX_INCLUDES_FCS);
-	ieee80211_hw_set(dev, SIGNAL_DBM);
-
-	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
-				      BIT(NL80211_IFTYPE_ADHOC) |
-				      BIT(NL80211_IFTYPE_AP) |
-				      BIT(NL80211_IFTYPE_MESH_POINT);
-
-	priv->beacon_req_id = cpu_to_le32(0);
-	priv->tx_stats[P54_QUEUE_BEACON].limit = 1;
-	priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1;
-	priv->tx_stats[P54_QUEUE_MGMT].limit = 3;
-	priv->tx_stats[P54_QUEUE_CAB].limit = 3;
-	priv->tx_stats[P54_QUEUE_DATA].limit = 5;
-	dev->queues = 1;
-	priv->noise = -94;
-	/*
-	 * We support at most 8 tries no matter which rate they're at,
-	 * we cannot support max_rates * max_rate_tries as we set it
-	 * here, but setting it correctly to 4/2 or so would limit us
-	 * artificially if the RC algorithm wants just two rates, so
-	 * let's say 4/7, we'll redistribute it at TX time, see the
-	 * comments there.
-	 */
-	dev->max_rates = 4;
-	dev->max_rate_tries = 7;
-	dev->extra_tx_headroom = sizeof(struct p54_hdr) + 4 +
-				 sizeof(struct p54_tx_data);
-
-	/*
-	 * For now, disable PS by default because it affects
-	 * link stability significantly.
-	 */
-	dev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
-
-	mutex_init(&priv->conf_mutex);
-	mutex_init(&priv->eeprom_mutex);
-	init_completion(&priv->stat_comp);
-	init_completion(&priv->eeprom_comp);
-	init_completion(&priv->beacon_comp);
-	INIT_DELAYED_WORK(&priv->work, p54_work);
-
-	eth_broadcast_addr(priv->mc_maclist[0]);
-	priv->curchan = NULL;
-	p54_reset_stats(priv);
-	return dev;
-}
-EXPORT_SYMBOL_GPL(p54_init_common);
-
-int p54_register_common(struct ieee80211_hw *dev, struct device *pdev)
-{
-	struct p54_common __maybe_unused *priv = dev->priv;
-	int err;
-
-	err = ieee80211_register_hw(dev);
-	if (err) {
-		dev_err(pdev, "Cannot register device (%d).\n", err);
-		return err;
-	}
-	priv->registered = true;
-
-#ifdef CONFIG_P54_LEDS
-	err = p54_init_leds(priv);
-	if (err) {
-		p54_unregister_common(dev);
-		return err;
-	}
-#endif /* CONFIG_P54_LEDS */
-
-	dev_info(pdev, "is registered as '%s'\n", wiphy_name(dev->wiphy));
-	return 0;
-}
-EXPORT_SYMBOL_GPL(p54_register_common);
-
-void p54_free_common(struct ieee80211_hw *dev)
-{
-	struct p54_common *priv = dev->priv;
-	unsigned int i;
-
-	for (i = 0; i < IEEE80211_NUM_BANDS; i++)
-		kfree(priv->band_table[i]);
-
-	kfree(priv->iq_autocal);
-	kfree(priv->output_limit);
-	kfree(priv->curve_data);
-	kfree(priv->rssi_db);
-	kfree(priv->used_rxkeys);
-	kfree(priv->survey);
-	priv->iq_autocal = NULL;
-	priv->output_limit = NULL;
-	priv->curve_data = NULL;
-	priv->rssi_db = NULL;
-	priv->used_rxkeys = NULL;
-	priv->survey = NULL;
-	ieee80211_free_hw(dev);
-}
-EXPORT_SYMBOL_GPL(p54_free_common);
-
-void p54_unregister_common(struct ieee80211_hw *dev)
-{
-	struct p54_common *priv = dev->priv;
-
-#ifdef CONFIG_P54_LEDS
-	p54_unregister_leds(priv);
-#endif /* CONFIG_P54_LEDS */
-
-	if (priv->registered) {
-		priv->registered = false;
-		ieee80211_unregister_hw(dev);
-	}
-
-	mutex_destroy(&priv->conf_mutex);
-	mutex_destroy(&priv->eeprom_mutex);
-}
-EXPORT_SYMBOL_GPL(p54_unregister_common);