diff --git a/MAINTAINERS b/MAINTAINERS
index f218fe1e43fe..a28f0aabed05 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14565,7 +14565,6 @@ L:	wil6210@qca.qualcomm.com
 S:	Supported
 W:	http://wireless.kernel.org/en/users/Drivers/wil6210
 F:	drivers/net/wireless/ath/wil6210/
-F:	include/uapi/linux/wil6210_uapi.h
 
 WIMAX STACK
 M:	Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index 68f0463ed8df..b94759daeacc 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -889,9 +889,9 @@ static void ar5523_tx_work(struct work_struct *work)
 	mutex_unlock(&ar->mutex);
 }
 
-static void ar5523_tx_wd_timer(unsigned long arg)
+static void ar5523_tx_wd_timer(struct timer_list *t)
 {
-	struct ar5523 *ar = (struct ar5523 *) arg;
+	struct ar5523 *ar = from_timer(ar, t, tx_wd_timer);
 
 	ar5523_dbg(ar, "TX watchdog timer triggered\n");
 	ieee80211_queue_work(ar->hw, &ar->tx_wd_work);
@@ -1599,8 +1599,7 @@ static int ar5523_probe(struct usb_interface *intf,
 	mutex_init(&ar->mutex);
 
 	INIT_DELAYED_WORK(&ar->stat_work, ar5523_stat_work);
-	init_timer(&ar->tx_wd_timer);
-	setup_timer(&ar->tx_wd_timer, ar5523_tx_wd_timer, (unsigned long) ar);
+	timer_setup(&ar->tx_wd_timer, ar5523_tx_wd_timer, 0);
 	INIT_WORK(&ar->tx_wd_work, ar5523_tx_wd_work);
 	INIT_WORK(&ar->tx_work, ar5523_tx_work);
 	INIT_LIST_HEAD(&ar->tx_queue_pending);
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index a3f5dc78353f..f068376ec565 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -200,9 +200,9 @@ static void ath10k_htt_rx_msdu_buff_replenish(struct ath10k_htt *htt)
 	spin_unlock_bh(&htt->rx_ring.lock);
 }
 
-static void ath10k_htt_rx_ring_refill_retry(unsigned long arg)
+static void ath10k_htt_rx_ring_refill_retry(struct timer_list *t)
 {
-	struct ath10k_htt *htt = (struct ath10k_htt *)arg;
+	struct ath10k_htt *htt = from_timer(htt, t, rx_ring.refill_retry_timer);
 
 	ath10k_htt_rx_msdu_buff_replenish(htt);
 }
@@ -507,7 +507,7 @@ int ath10k_htt_rx_alloc(struct ath10k_htt *htt)
 	*htt->rx_ring.alloc_idx.vaddr = 0;
 
 	/* Initialize the Rx refill retry timer */
-	setup_timer(timer, ath10k_htt_rx_ring_refill_retry, (unsigned long)htt);
+	timer_setup(timer, ath10k_htt_rx_ring_refill_retry, 0);
 
 	spin_lock_init(&htt->rx_ring.lock);
 
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 6dbf8a2453ba..0a947eef348d 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -5585,6 +5585,59 @@ static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value)
 	ar->hw_params.hw_ops->set_coverage_class(ar, value);
 }
 
+struct ath10k_mac_tdls_iter_data {
+	u32 num_tdls_stations;
+	struct ieee80211_vif *curr_vif;
+};
+
+static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
+						    struct ieee80211_sta *sta)
+{
+	struct ath10k_mac_tdls_iter_data *iter_data = data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ieee80211_vif *sta_vif = arsta->arvif->vif;
+
+	if (sta->tdls && sta_vif == iter_data->curr_vif)
+		iter_data->num_tdls_stations++;
+}
+
+static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
+					      struct ieee80211_vif *vif)
+{
+	struct ath10k_mac_tdls_iter_data data = {};
+
+	data.curr_vif = vif;
+
+	ieee80211_iterate_stations_atomic(hw,
+					  ath10k_mac_tdls_vif_stations_count_iter,
+					  &data);
+	return data.num_tdls_stations;
+}
+
+static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
+					    struct ieee80211_vif *vif)
+{
+	struct ath10k_vif *arvif = (void *)vif->drv_priv;
+	int *num_tdls_vifs = data;
+
+	if (vif->type != NL80211_IFTYPE_STATION)
+		return;
+
+	if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
+		(*num_tdls_vifs)++;
+}
+
+static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
+{
+	int num_tdls_vifs = 0;
+
+	ieee80211_iterate_active_interfaces_atomic(hw,
+						   IEEE80211_IFACE_ITER_NORMAL,
+						   ath10k_mac_tdls_vifs_count_iter,
+						   &num_tdls_vifs);
+	return num_tdls_vifs;
+}
+
 static int ath10k_hw_scan(struct ieee80211_hw *hw,
 			  struct ieee80211_vif *vif,
 			  struct ieee80211_scan_request *hw_req)
@@ -5598,6 +5651,11 @@ static int ath10k_hw_scan(struct ieee80211_hw *hw,
 
 	mutex_lock(&ar->conf_mutex);
 
+	if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) {
+		ret = -EBUSY;
+		goto exit;
+	}
+
 	spin_lock_bh(&ar->data_lock);
 	switch (ar->scan.state) {
 	case ATH10K_SCAN_IDLE:
@@ -6013,59 +6071,6 @@ static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
 	ar->num_stations--;
 }
 
-struct ath10k_mac_tdls_iter_data {
-	u32 num_tdls_stations;
-	struct ieee80211_vif *curr_vif;
-};
-
-static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
-						    struct ieee80211_sta *sta)
-{
-	struct ath10k_mac_tdls_iter_data *iter_data = data;
-	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
-	struct ieee80211_vif *sta_vif = arsta->arvif->vif;
-
-	if (sta->tdls && sta_vif == iter_data->curr_vif)
-		iter_data->num_tdls_stations++;
-}
-
-static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
-					      struct ieee80211_vif *vif)
-{
-	struct ath10k_mac_tdls_iter_data data = {};
-
-	data.curr_vif = vif;
-
-	ieee80211_iterate_stations_atomic(hw,
-					  ath10k_mac_tdls_vif_stations_count_iter,
-					  &data);
-	return data.num_tdls_stations;
-}
-
-static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
-					    struct ieee80211_vif *vif)
-{
-	struct ath10k_vif *arvif = (void *)vif->drv_priv;
-	int *num_tdls_vifs = data;
-
-	if (vif->type != NL80211_IFTYPE_STATION)
-		return;
-
-	if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
-		(*num_tdls_vifs)++;
-}
-
-static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
-{
-	int num_tdls_vifs = 0;
-
-	ieee80211_iterate_active_interfaces_atomic(hw,
-						   IEEE80211_IFACE_ITER_NORMAL,
-						   ath10k_mac_tdls_vifs_count_iter,
-						   &num_tdls_vifs);
-	return num_tdls_vifs;
-}
-
 static int ath10k_sta_state(struct ieee80211_hw *hw,
 			    struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta,
@@ -6490,6 +6495,11 @@ static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
 
 	mutex_lock(&ar->conf_mutex);
 
+	if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) {
+		ret = -EBUSY;
+		goto exit;
+	}
+
 	spin_lock_bh(&ar->data_lock);
 	switch (ar->scan.state) {
 	case ATH10K_SCAN_IDLE:
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index b18a9b690df4..ffea348b2190 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -585,10 +585,10 @@ static void ath10k_pci_sleep(struct ath10k *ar)
 	spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
 }
 
-static void ath10k_pci_ps_timer(unsigned long ptr)
+static void ath10k_pci_ps_timer(struct timer_list *t)
 {
-	struct ath10k *ar = (void *)ptr;
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+	struct ath10k_pci *ar_pci = from_timer(ar_pci, t, ps_timer);
+	struct ath10k *ar = ar_pci->ar;
 	unsigned long flags;
 
 	spin_lock_irqsave(&ar_pci->ps_lock, flags);
@@ -838,9 +838,10 @@ void ath10k_pci_rx_post(struct ath10k *ar)
 		ath10k_pci_rx_post_pipe(&ar_pci->pipe_info[i]);
 }
 
-void ath10k_pci_rx_replenish_retry(unsigned long ptr)
+void ath10k_pci_rx_replenish_retry(struct timer_list *t)
 {
-	struct ath10k *ar = (void *)ptr;
+	struct ath10k_pci *ar_pci = from_timer(ar_pci, t, rx_post_retry);
+	struct ath10k *ar = ar_pci->ar;
 
 	ath10k_pci_rx_post(ar);
 }
@@ -2577,8 +2578,6 @@ void ath10k_pci_hif_power_down(struct ath10k *ar)
 	 */
 }
 
-#ifdef CONFIG_PM
-
 static int ath10k_pci_hif_suspend(struct ath10k *ar)
 {
 	/* Nothing to do; the important stuff is in the driver suspend. */
@@ -2627,7 +2626,6 @@ static int ath10k_pci_resume(struct ath10k *ar)
 
 	return ret;
 }
-#endif
 
 static bool ath10k_pci_validate_cal(void *data, size_t size)
 {
@@ -2782,10 +2780,8 @@ static const struct ath10k_hif_ops ath10k_pci_hif_ops = {
 	.power_down		= ath10k_pci_hif_power_down,
 	.read32			= ath10k_pci_read32,
 	.write32		= ath10k_pci_write32,
-#ifdef CONFIG_PM
 	.suspend		= ath10k_pci_hif_suspend,
 	.resume			= ath10k_pci_hif_resume,
-#endif
 	.fetch_cal_eeprom	= ath10k_pci_hif_fetch_cal_eeprom,
 };
 
@@ -3169,8 +3165,7 @@ int ath10k_pci_setup_resource(struct ath10k *ar)
 	spin_lock_init(&ce->ce_lock);
 	spin_lock_init(&ar_pci->ps_lock);
 
-	setup_timer(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry,
-		    (unsigned long)ar);
+	timer_setup(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry, 0);
 
 	if (QCA_REV_6174(ar) || QCA_REV_9377(ar))
 		ath10k_pci_override_ce_config(ar);
@@ -3296,8 +3291,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 	ar->id.subsystem_vendor = pdev->subsystem_vendor;
 	ar->id.subsystem_device = pdev->subsystem_device;
 
-	setup_timer(&ar_pci->ps_timer, ath10k_pci_ps_timer,
-		    (unsigned long)ar);
+	timer_setup(&ar_pci->ps_timer, ath10k_pci_ps_timer, 0);
 
 	ret = ath10k_pci_setup_resource(ar);
 	if (ret) {
diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index 424ff323b2dc..08704fbc11e3 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -278,7 +278,7 @@ void ath10k_pci_hif_power_down(struct ath10k *ar);
 int ath10k_pci_alloc_pipes(struct ath10k *ar);
 void ath10k_pci_free_pipes(struct ath10k *ar);
 void ath10k_pci_free_pipes(struct ath10k *ar);
-void ath10k_pci_rx_replenish_retry(unsigned long ptr);
+void ath10k_pci_rx_replenish_retry(struct timer_list *t);
 void ath10k_pci_ce_deinit(struct ath10k *ar);
 void ath10k_pci_init_napi(struct ath10k *ar);
 int ath10k_pci_init_pipes(struct ath10k *ar);
diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c
index dd9cc0939ea8..2048b1e5262b 100644
--- a/drivers/net/wireless/ath/ath10k/spectral.c
+++ b/drivers/net/wireless/ath/ath10k/spectral.c
@@ -406,7 +406,7 @@ static ssize_t write_file_spectral_count(struct file *file,
 	if (kstrtoul(buf, 0, &val))
 		return -EINVAL;
 
-	if (val < 0 || val > 255)
+	if (val > 255)
 		return -EINVAL;
 
 	mutex_lock(&ar->conf_mutex);
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 38a97086708b..cad2e42dcef6 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -7870,7 +7870,8 @@ ath10k_wmi_10_4_gen_update_fw_tdls_state(struct ath10k *ar, u32 vdev_id,
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
-	if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map))
+	if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map) &&
+	    state == WMI_TDLS_ENABLE_ACTIVE)
 		state = WMI_TDLS_ENABLE_PASSIVE;
 
 	if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA, ar->wmi.svc_map))
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 414b5b596efc..b53eb2b85f02 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -3589,10 +3589,8 @@ static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
 		return -ENOMEM;
 	}
 
-	setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
-		    (unsigned long) vif->ndev);
-	setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
-		    (unsigned long) vif);
+	timer_setup(&vif->disconnect_timer, disconnect_timer_handler, 0);
+	timer_setup(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 0);
 
 	set_bit(WMM_ENABLED, &vif->flags);
 	spin_lock_init(&vif->if_lock);
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 87e99c12d4ba..e23d450babd2 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -893,7 +893,7 @@ static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
 
 int ath6kl_configure_target(struct ath6kl *ar);
 void ath6kl_detect_error(unsigned long ptr);
-void disconnect_timer_handler(unsigned long ptr);
+void disconnect_timer_handler(struct timer_list *t);
 void init_netdev(struct net_device *dev);
 void ath6kl_cookie_init(struct ath6kl *ar);
 void ath6kl_cookie_cleanup(struct ath6kl *ar);
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index b90c77ef792e..db95f85751e3 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -494,10 +494,9 @@ void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
 	netif_wake_queue(vif->ndev);
 }
 
-void disconnect_timer_handler(unsigned long ptr)
+void disconnect_timer_handler(struct timer_list *t)
 {
-	struct net_device *dev = (struct net_device *)ptr;
-	struct ath6kl_vif *vif = netdev_priv(dev);
+	struct ath6kl_vif *vif = from_timer(vif, t, disconnect_timer);
 
 	ath6kl_init_profile_info(vif);
 	ath6kl_disconnect(vif);
diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c
index 4e5cc2b7045a..1379906bf849 100644
--- a/drivers/net/wireless/ath/ath6kl/txrx.c
+++ b/drivers/net/wireless/ath/ath6kl/txrx.c
@@ -1620,10 +1620,10 @@ void ath6kl_rx(struct htc_target *target, struct htc_packet *packet)
 	ath6kl_deliver_frames_to_nw_stack(vif->ndev, skb);
 }
 
-static void aggr_timeout(unsigned long arg)
+static void aggr_timeout(struct timer_list *t)
 {
 	u8 i, j;
-	struct aggr_info_conn *aggr_conn = (struct aggr_info_conn *) arg;
+	struct aggr_info_conn *aggr_conn = from_timer(aggr_conn, t, timer);
 	struct rxtid *rxtid;
 	struct rxtid_stats *stats;
 
@@ -1753,7 +1753,7 @@ void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
 
 	aggr_conn->aggr_sz = AGGR_SZ_DEFAULT;
 	aggr_conn->dev = vif->ndev;
-	setup_timer(&aggr_conn->timer, aggr_timeout, (unsigned long)aggr_conn);
+	timer_setup(&aggr_conn->timer, aggr_timeout, 0);
 	aggr_conn->aggr_info = aggr_info;
 
 	aggr_conn->timer_scheduled = false;
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index bfc20b45b806..777acc564ac9 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -1078,9 +1078,9 @@ static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
 	return 0;
 }
 
-void ath6kl_wmi_sscan_timer(unsigned long ptr)
+void ath6kl_wmi_sscan_timer(struct timer_list *t)
 {
-	struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
+	struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);
 
 	cfg80211_sched_scan_results(vif->ar->wiphy, 0);
 }
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h
index 3af464a73b58..a60bb49fe920 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.h
+++ b/drivers/net/wireless/ath/ath6kl/wmi.h
@@ -2719,7 +2719,7 @@ int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
 
 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout);
 
-void ath6kl_wmi_sscan_timer(unsigned long ptr);
+void ath6kl_wmi_sscan_timer(struct timer_list *t);
 
 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source);
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index cf076719c27e..ef0de4f1312c 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -750,14 +750,14 @@ void ath_reset_work(struct work_struct *work);
 bool ath_hw_check(struct ath_softc *sc);
 void ath_hw_pll_work(struct work_struct *work);
 void ath_paprd_calibrate(struct work_struct *work);
-void ath_ani_calibrate(unsigned long data);
+void ath_ani_calibrate(struct timer_list *t);
 void ath_start_ani(struct ath_softc *sc);
 void ath_stop_ani(struct ath_softc *sc);
 void ath_check_ani(struct ath_softc *sc);
 int ath_update_survey_stats(struct ath_softc *sc);
 void ath_update_survey_nf(struct ath_softc *sc, int channel);
 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
-void ath_ps_full_sleep(unsigned long data);
+void ath_ps_full_sleep(struct timer_list *t);
 void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop,
 		   bool sw_pending, bool timeout_override);
 
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index fad020aa222e..dfb26f03c1a2 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -1043,9 +1043,9 @@ static void ath_scan_channel_start(struct ath_softc *sc)
 	mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);
 }
 
-static void ath_chanctx_timer(unsigned long data)
+static void ath_chanctx_timer(struct timer_list *t)
 {
-	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_softc *sc = from_timer(sc, t, sched.timer);
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	ath_dbg(common, CHAN_CTX,
@@ -1054,9 +1054,9 @@ static void ath_chanctx_timer(unsigned long data)
 	ath_chanctx_event(sc, NULL, ATH_CHANCTX_EVENT_TSF_TIMER);
 }
 
-static void ath_offchannel_timer(unsigned long data)
+static void ath_offchannel_timer(struct timer_list *t)
 {
-	struct ath_softc *sc = (struct ath_softc *)data;
+	struct ath_softc *sc = from_timer(sc, t, offchannel.timer);
 	struct ath_chanctx *ctx;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
@@ -1362,10 +1362,8 @@ void ath9k_init_channel_context(struct ath_softc *sc)
 {
 	INIT_WORK(&sc->chanctx_work, ath_chanctx_work);
 
-	setup_timer(&sc->offchannel.timer, ath_offchannel_timer,
-		    (unsigned long)sc);
-	setup_timer(&sc->sched.timer, ath_chanctx_timer,
-		    (unsigned long)sc);
+	timer_setup(&sc->offchannel.timer, ath_offchannel_timer, 0);
+	timer_setup(&sc->sched.timer, ath_chanctx_timer, 0);
 
 	init_completion(&sc->go_beacon);
 }
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 5a0a05abd51a..9e8aed5c478c 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1167,7 +1167,7 @@ static ssize_t write_file_tpc(struct file *file, const char __user *user_buf,
 	if (kstrtoul(buf, 0, &val))
 		return -EINVAL;
 
-	if (val < 0 || val > 1)
+	if (val > 1)
 		return -EINVAL;
 
 	tpc_enabled = !!val;
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index ddb28861e7fe..b457e52dd365 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -191,9 +191,9 @@ static void ath_mci_ftp_adjust(struct ath_softc *sc)
  * 45ms, bt traffic will be given priority during 55% of this
  * period while wlan gets remaining 45%
  */
-static void ath_btcoex_period_timer(unsigned long data)
+static void ath_btcoex_period_timer(struct timer_list *t)
 {
-	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_softc *sc = from_timer(sc, t, btcoex.period_timer);
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
 	enum ath_stomp_type stomp_type;
@@ -252,9 +252,9 @@ static void ath_btcoex_period_timer(unsigned long data)
  * Generic tsf based hw timer which configures weight
  * registers to time slice between wlan and bt traffic
  */
-static void ath_btcoex_no_stomp_timer(unsigned long arg)
+static void ath_btcoex_no_stomp_timer(struct timer_list *t)
 {
-	struct ath_softc *sc = (struct ath_softc *)arg;
+	struct ath_softc *sc = from_timer(sc, t, btcoex.no_stomp_timer);
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_btcoex *btcoex = &sc->btcoex;
 
@@ -284,10 +284,8 @@ static void ath_init_btcoex_timer(struct ath_softc *sc)
 				   btcoex->btcoex_period / 100;
 	btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
 
-	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
-			(unsigned long) sc);
-	setup_timer(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer,
-			(unsigned long) sc);
+	timer_setup(&btcoex->period_timer, ath_btcoex_period_timer, 0);
+	timer_setup(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer, 0);
 
 	spin_lock_init(&btcoex->btcoex_lock);
 }
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 16dff4b89a86..9f64e32381f9 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -584,7 +584,7 @@ void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
 void ath9k_tx_failed_tasklet(unsigned long data);
-void ath9k_htc_tx_cleanup_timer(unsigned long data);
+void ath9k_htc_tx_cleanup_timer(struct timer_list *t);
 bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv);
 
 int ath9k_rx_init(struct ath9k_htc_priv *priv);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 57de6fa6ff03..e89e5ef2c2a4 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -654,8 +654,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
 	INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work);
 	INIT_WORK(&priv->ps_work, ath9k_ps_work);
 	INIT_WORK(&priv->fatal_work, ath9k_fatal_work);
-	setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer,
-		    (unsigned long)priv);
+	timer_setup(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer, 0);
 
 	/*
 	 * Cache line size is used to size and align various
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 2682da02da54..585736a837ed 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -752,9 +752,9 @@ static void ath9k_htc_tx_cleanup_queue(struct ath9k_htc_priv *priv,
 	}
 }
 
-void ath9k_htc_tx_cleanup_timer(unsigned long data)
+void ath9k_htc_tx_cleanup_timer(struct timer_list *t)
 {
-	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) data;
+	struct ath9k_htc_priv *priv = from_timer(priv, t, tx.cleanup_timer);
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	struct ath9k_htc_tx_event *event, *tmp;
 	struct sk_buff *skb;
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 4bc403620cf9..fa58a32227f5 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -369,7 +369,7 @@ static void ath9k_init_misc(struct ath_softc *sc)
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int i = 0;
 
-	setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
+	timer_setup(&common->ani.timer, ath_ani_calibrate, 0);
 
 	common->last_rssi = ATH_RSSI_DUMMY_MARKER;
 	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
@@ -678,7 +678,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
 	tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet,
 		     (unsigned long)sc);
 
-	setup_timer(&sc->sleep_timer, ath_ps_full_sleep, (unsigned long)sc);
+	timer_setup(&sc->sleep_timer, ath_ps_full_sleep, 0);
 	INIT_WORK(&sc->hw_reset_work, ath_reset_work);
 	INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
 	INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c
index 3f4f01c829f0..9d84003db800 100644
--- a/drivers/net/wireless/ath/ath9k/link.c
+++ b/drivers/net/wireless/ath/ath9k/link.c
@@ -301,11 +301,11 @@ void ath_paprd_calibrate(struct work_struct *work)
  *  When the task is complete, it reschedules itself depending on the
  *  appropriate interval that was calculated.
  */
-void ath_ani_calibrate(unsigned long data)
+void ath_ani_calibrate(struct timer_list *t)
 {
-	struct ath_softc *sc = (struct ath_softc *)data;
+	struct ath_common *common = from_timer(common, t, ani.timer);
+	struct ath_softc *sc = (struct ath_softc *)common->priv;
 	struct ath_hw *ah = sc->sc_ah;
-	struct ath_common *common = ath9k_hw_common(ah);
 	bool longcal = false;
 	bool shortcal = false;
 	bool aniflag = false;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 918773a9231b..a3be8add56e1 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -93,9 +93,9 @@ static bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
 	return ret;
 }
 
-void ath_ps_full_sleep(unsigned long data)
+void ath_ps_full_sleep(struct timer_list *t)
 {
-	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_softc *sc = from_timer(sc, t, sleep_timer);
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	unsigned long flags;
 	bool reset;
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 6db00c167d2e..e58dc6dc1f9c 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1048,50 +1048,6 @@ static const struct file_operations fops_bf = {
 	.llseek		= seq_lseek,
 };
 
-/*---------SSID------------*/
-static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
-				  size_t count, loff_t *ppos)
-{
-	struct wil6210_priv *wil = file->private_data;
-	struct wireless_dev *wdev = wil_to_wdev(wil);
-
-	return simple_read_from_buffer(user_buf, count, ppos,
-				       wdev->ssid, wdev->ssid_len);
-}
-
-static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
-				   size_t count, loff_t *ppos)
-{
-	struct wil6210_priv *wil = file->private_data;
-	struct wireless_dev *wdev = wil_to_wdev(wil);
-	struct net_device *ndev = wil_to_ndev(wil);
-
-	if (*ppos != 0) {
-		wil_err(wil, "Unable to set SSID substring from [%d]\n",
-			(int)*ppos);
-		return -EINVAL;
-	}
-
-	if (count > sizeof(wdev->ssid)) {
-		wil_err(wil, "SSID too long, len = %d\n", (int)count);
-		return -EINVAL;
-	}
-	if (netif_running(ndev)) {
-		wil_err(wil, "Unable to change SSID on running interface\n");
-		return -EINVAL;
-	}
-
-	wdev->ssid_len = count;
-	return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
-				      buf, count);
-}
-
-static const struct file_operations fops_ssid = {
-	.read = wil_read_file_ssid,
-	.write = wil_write_file_ssid,
-	.open  = simple_open,
-};
-
 /*---------temp------------*/
 static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 {
@@ -1695,7 +1651,6 @@ static const struct {
 	{"stations", 0444,		&fops_sta},
 	{"desc",	0444,		&fops_txdesc},
 	{"bf",		0444,		&fops_bf},
-	{"ssid",	0644,		&fops_ssid},
 	{"mem_val",	0644,		&fops_memread},
 	{"reset",	0244,		&fops_reset},
 	{"rxon",	0244,		&fops_rxon},
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index bac829aa950d..885924abf61c 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -336,9 +336,9 @@ static void wil_disconnect_worker(struct work_struct *work)
 	clear_bit(wil_status_fwconnecting, wil->status);
 }
 
-static void wil_connect_timer_fn(ulong x)
+static void wil_connect_timer_fn(struct timer_list *t)
 {
-	struct wil6210_priv *wil = (void *)x;
+	struct wil6210_priv *wil = from_timer(wil, t, connect_timer);
 	bool q;
 
 	wil_err(wil, "Connect timeout detected, disconnect station\n");
@@ -351,9 +351,9 @@ static void wil_connect_timer_fn(ulong x)
 	wil_dbg_wmi(wil, "queue_work of disconnect_worker -> %d\n", q);
 }
 
-static void wil_scan_timer_fn(ulong x)
+static void wil_scan_timer_fn(struct timer_list *t)
 {
-	struct wil6210_priv *wil = (void *)x;
+	struct wil6210_priv *wil = from_timer(wil, t, scan_timer);
 
 	clear_bit(wil_status_fwready, wil->status);
 	wil_err(wil, "Scan timeout detected, start fw error recovery\n");
@@ -540,10 +540,9 @@ int wil_priv_init(struct wil6210_priv *wil)
 	init_completion(&wil->halp.comp);
 
 	wil->bcast_vring = -1;
-	setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil);
-	setup_timer(&wil->scan_timer, wil_scan_timer_fn, (ulong)wil);
-	setup_timer(&wil->p2p.discovery_timer, wil_p2p_discovery_timer_fn,
-		    (ulong)wil);
+	timer_setup(&wil->connect_timer, wil_connect_timer_fn, 0);
+	timer_setup(&wil->scan_timer, wil_scan_timer_fn, 0);
+	timer_setup(&wil->p2p.discovery_timer, wil_p2p_discovery_timer_fn, 0);
 
 	INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker);
 	INIT_WORK(&wil->wmi_event_worker, wmi_event_worker);
diff --git a/drivers/net/wireless/ath/wil6210/p2p.c b/drivers/net/wireless/ath/wil6210/p2p.c
index 792484756654..7dbee2c3e482 100644
--- a/drivers/net/wireless/ath/wil6210/p2p.c
+++ b/drivers/net/wireless/ath/wil6210/p2p.c
@@ -65,9 +65,9 @@ bool wil_p2p_is_social_scan(struct cfg80211_scan_request *request)
 	       (request->channels[0]->hw_value == P2P_DMG_SOCIAL_CHANNEL);
 }
 
-void wil_p2p_discovery_timer_fn(ulong x)
+void wil_p2p_discovery_timer_fn(struct timer_list *t)
 {
-	struct wil6210_priv *wil = (void *)x;
+	struct wil6210_priv *wil = from_timer(wil, t, p2p.discovery_timer);
 
 	wil_dbg_misc(wil, "p2p_discovery_timer_fn\n");
 
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 315ec8b59662..1e340d04bd70 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -918,7 +918,7 @@ void wil6210_mask_halp(struct wil6210_priv *wil);
 
 /* P2P */
 bool wil_p2p_is_social_scan(struct cfg80211_scan_request *request);
-void wil_p2p_discovery_timer_fn(ulong x);
+void wil_p2p_discovery_timer_fn(struct timer_list *t);
 int wil_p2p_search(struct wil6210_priv *wil,
 		   struct cfg80211_scan_request *request);
 int wil_p2p_listen(struct wil6210_priv *wil, struct wireless_dev *wdev,