Return-path: Received: from eu1sys200aog104.obsmtp.com ([207.126.144.117]:53998 "EHLO eu1sys200aog104.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759313Ab2CBU1H (ORCPT ); Fri, 2 Mar 2012 15:27:07 -0500 Received: from zeta.dmz-us.st.com (ns4.st.com [167.4.16.71]) by beta.dmz-us.st.com (STMicroelectronics) with ESMTP id 3094770 for ; Fri, 2 Mar 2012 20:26:52 +0000 (GMT) Received: from relay2.stm.gmessaging.net (unknown [10.230.100.18]) by zeta.dmz-us.st.com (STMicroelectronics) with ESMTP id 0C9F057 for ; Fri, 2 Mar 2012 18:57:39 +0000 (GMT) Received: from exdcvycastm003.EQ1STM.local (alteon-source-exch [10.230.100.61]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (Client CN "exdcvycastm003", Issuer "exdcvycastm003" (not verified)) by relay2.stm.gmessaging.net (Postfix) with ESMTPS id A493FA8065 for ; Fri, 2 Mar 2012 21:26:55 +0100 (CET) From: Dmitry Tarnyagin To: linux-wireless@vger.kernel.org Subject: [PATCHv2 18/21] cw1200: main.c, core initialization code. Date: Fri, 2 Mar 2012 21:26:40 +0100 Message-ID: <1330720003-15866-19-git-send-email-dmitry.tarnyagin@stericsson.com> (sfid-20120302_212731_217112_6A14D16B) In-Reply-To: <1330720003-15866-1-git-send-email-dmitry.tarnyagin@stericsson.com> References: <983b0e2d75af161b8e4dec02fc3497926a0080df-submit> <1330720003-15866-1-git-send-email-dmitry.tarnyagin@stericsson.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: The code in the patch creates and destroys the driver core. Signed-off-by: Dmitry Tarnyagin --- drivers/net/wireless/cw1200/main.c | 558 ++++++++++++++++++++++++++++++++++++ 1 files changed, 558 insertions(+), 0 deletions(-) create mode 100644 drivers/net/wireless/cw1200/main.c diff --git a/drivers/net/wireless/cw1200/main.c b/drivers/net/wireless/cw1200/main.c new file mode 100644 index 0000000..eb1ce5b --- /dev/null +++ b/drivers/net/wireless/cw1200/main.c @@ -0,0 +1,558 @@ +/* + * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010-2012, ST-Ericsson AB + * Author: Dmitry Tarnyagin + * + * Based on: + * Copyright (c) 2006, Michael Wu + * Copyright (c) 2007-2009, Christian Lamparter + * Copyright 2008, Johannes Berg + * + * Based on: + * - the islsm (softmac prism54) driver, which is: + * Copyright 2004-2006 Jean-Baptiste Note , 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 +#include +#include +#include +#include +#include +#include +#include + +#include "cw1200.h" +#include "txrx.h" +#include "sbus.h" +#include "fwio.h" +#include "hwio.h" +#include "bh.h" +#include "sta.h" +#include "ap.h" +#include "scan.h" +#include "debug.h" +#include "pm.h" + +MODULE_AUTHOR("Dmitry Tarnyagin "); +MODULE_DESCRIPTION("Softmac ST-Ericsson CW1200 common code"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("cw1200_core"); + +/* Accept MAC address of the form macaddr=0x00,0x80,0xE1,0x30,0x40,0x50 */ +static u8 cw1200_mac_template[ETH_ALEN] = {0x00, 0x80, 0xe1, 0x00, 0x00, 0x00}; +module_param_array_named(macaddr, cw1200_mac_template, byte, NULL, S_IRUGO); +MODULE_PARM_DESC(macaddr, "MAC address"); + +/* TODO: use rates and channels from the device */ +#define RATETAB_ENT(_rate, _rateid, _flags) \ + { \ + .bitrate = (_rate), \ + .hw_value = (_rateid), \ + .flags = (_flags), \ + } + +static struct ieee80211_rate cw1200_rates[] = { + RATETAB_ENT(10, 0, 0), + RATETAB_ENT(20, 1, 0), + RATETAB_ENT(55, 2, 0), + RATETAB_ENT(110, 3, 0), + RATETAB_ENT(60, 6, 0), + RATETAB_ENT(90, 7, 0), + RATETAB_ENT(120, 8, 0), + RATETAB_ENT(180, 9, 0), + RATETAB_ENT(240, 10, 0), + RATETAB_ENT(360, 11, 0), + RATETAB_ENT(480, 12, 0), + RATETAB_ENT(540, 13, 0), +}; + +static struct ieee80211_rate cw1200_mcs_rates[] = { + RATETAB_ENT(65, 14, IEEE80211_TX_RC_MCS), + RATETAB_ENT(130, 15, IEEE80211_TX_RC_MCS), + RATETAB_ENT(195, 16, IEEE80211_TX_RC_MCS), + RATETAB_ENT(260, 17, IEEE80211_TX_RC_MCS), + RATETAB_ENT(390, 18, IEEE80211_TX_RC_MCS), + RATETAB_ENT(520, 19, IEEE80211_TX_RC_MCS), + RATETAB_ENT(585, 20, IEEE80211_TX_RC_MCS), + RATETAB_ENT(650, 21, IEEE80211_TX_RC_MCS), +}; + +#define cw1200_a_rates (cw1200_rates + 4) +#define cw1200_a_rates_size (ARRAY_SIZE(cw1200_rates) - 4) +#define cw1200_g_rates (cw1200_rates + 0) +#define cw1200_g_rates_size (ARRAY_SIZE(cw1200_rates)) +#define cw1200_n_rates (cw1200_mcs_rates) +#define cw1200_n_rates_size (ARRAY_SIZE(cw1200_mcs_rates)) + + +#define CHAN2G(_channel, _freq, _flags) { \ + .band = IEEE80211_BAND_2GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +#define CHAN5G(_channel, _flags) { \ + .band = IEEE80211_BAND_5GHZ, \ + .center_freq = 5000 + (5 * (_channel)), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +static struct ieee80211_channel cw1200_2ghz_chantable[] = { + CHAN2G(1, 2412, 0), + CHAN2G(2, 2417, 0), + CHAN2G(3, 2422, 0), + CHAN2G(4, 2427, 0), + CHAN2G(5, 2432, 0), + CHAN2G(6, 2437, 0), + CHAN2G(7, 2442, 0), + CHAN2G(8, 2447, 0), + CHAN2G(9, 2452, 0), + CHAN2G(10, 2457, 0), + CHAN2G(11, 2462, 0), + CHAN2G(12, 2467, 0), + CHAN2G(13, 2472, 0), + CHAN2G(14, 2484, 0), +}; + +#ifdef CONFIG_CW1200_5GHZ_SUPPORT +static struct ieee80211_channel cw1200_5ghz_chantable[] = { + CHAN5G(34, 0), CHAN5G(36, 0), + CHAN5G(38, 0), CHAN5G(40, 0), + CHAN5G(42, 0), CHAN5G(44, 0), + CHAN5G(46, 0), CHAN5G(48, 0), + CHAN5G(52, 0), CHAN5G(56, 0), + CHAN5G(60, 0), CHAN5G(64, 0), + CHAN5G(100, 0), CHAN5G(104, 0), + CHAN5G(108, 0), CHAN5G(112, 0), + CHAN5G(116, 0), CHAN5G(120, 0), + CHAN5G(124, 0), CHAN5G(128, 0), + CHAN5G(132, 0), CHAN5G(136, 0), + CHAN5G(140, 0), CHAN5G(149, 0), + CHAN5G(153, 0), CHAN5G(157, 0), + CHAN5G(161, 0), CHAN5G(165, 0), + CHAN5G(184, 0), CHAN5G(188, 0), + CHAN5G(192, 0), CHAN5G(196, 0), + CHAN5G(200, 0), CHAN5G(204, 0), + CHAN5G(208, 0), CHAN5G(212, 0), + CHAN5G(216, 0), +}; +#endif /* CONFIG_CW1200_5GHZ_SUPPORT */ + +static struct ieee80211_supported_band cw1200_band_2ghz = { + .channels = cw1200_2ghz_chantable, + .n_channels = ARRAY_SIZE(cw1200_2ghz_chantable), + .bitrates = cw1200_g_rates, + .n_bitrates = cw1200_g_rates_size, + .ht_cap = { + .cap = IEEE80211_HT_CAP_GRN_FLD | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | + IEEE80211_HT_CAP_MAX_AMSDU, + .ht_supported = 1, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, + .mcs = { + .rx_mask[0] = 0xFF, + .rx_highest = __cpu_to_le16(0x41), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, + }, +}; + +#ifdef CONFIG_CW1200_5GHZ_SUPPORT +static struct ieee80211_supported_band cw1200_band_5ghz = { + .channels = cw1200_5ghz_chantable, + .n_channels = ARRAY_SIZE(cw1200_5ghz_chantable), + .bitrates = cw1200_a_rates, + .n_bitrates = cw1200_a_rates_size, + .ht_cap = { + .cap = IEEE80211_HT_CAP_GRN_FLD | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | + IEEE80211_HT_CAP_MAX_AMSDU, + .ht_supported = 1, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, + .mcs = { + .rx_mask[0] = 0xFF, + .rx_highest = __cpu_to_le16(0x41), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, + }, +}; +#endif /* CONFIG_CW1200_5GHZ_SUPPORT */ + +static const unsigned long cw1200_ttl[] = { + 1 * HZ, /* VO */ + 2 * HZ, /* VI */ + 5 * HZ, /* BE */ + 10 * HZ /* BK */ +}; + +static const struct ieee80211_ops cw1200_ops = { + .start = cw1200_start, + .stop = cw1200_stop, + .add_interface = cw1200_add_interface, + .remove_interface = cw1200_remove_interface, + .tx = cw1200_tx, + .hw_scan = cw1200_hw_scan, + .set_tim = cw1200_set_tim, + .sta_notify = cw1200_sta_notify, + .sta_add = cw1200_sta_add, + .sta_remove = cw1200_sta_remove, + .set_key = cw1200_set_key, + .set_rts_threshold = cw1200_set_rts_threshold, + .config = cw1200_config, + .bss_info_changed = cw1200_bss_info_changed, + .prepare_multicast = cw1200_prepare_multicast, + .configure_filter = cw1200_configure_filter, + .conf_tx = cw1200_conf_tx, + .get_stats = cw1200_get_stats, + .ampdu_action = cw1200_ampdu_action, + .flush = cw1200_flush, +#ifdef CONFIG_PM + .suspend = cw1200_wow_suspend, + .resume = cw1200_wow_resume, +#endif /* CONFIG_PM */ + /* Intentionally not offloaded: */ + /*.channel_switch = cw1200_channel_switch, */ + /*.remain_on_channel = cw1200_remain_on_channel, */ + /*.cancel_remain_on_channel = cw1200_cancel_remain_on_channel, */ +}; + +struct ieee80211_hw *cw1200_init_common(size_t priv_data_len) +{ + int i; + struct ieee80211_hw *hw; + struct cw1200_common *priv; + + hw = ieee80211_alloc_hw(priv_data_len, &cw1200_ops); + if (!hw) + return NULL; + + priv = hw->priv; + priv->hw = hw; + priv->mode = NL80211_IFTYPE_UNSPECIFIED; + priv->rates = cw1200_rates; /* TODO: fetch from FW */ + priv->mcs_rates = cw1200_n_rates; + /* Enable block ACK for every TID but voice. */ + priv->ba_tid_mask = 0x3F; + + hw->flags = IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS | + IEEE80211_HW_REPORTS_TX_ACK_STATUS | + IEEE80211_HW_SUPPORTS_UAPSD | + IEEE80211_HW_CONNECTION_MONITOR | + IEEE80211_HW_NEED_DTIM_PERIOD; + /* Aggregation is fully controlled by firmware. + * Do not need any support from the mac80211 stack */ + /* IEEE80211_HW_AMPDU_AGGREGATION | */ + + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MESH_POINT) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO); + + /* Support only for limited wowlan functionalities */ + hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY | + WIPHY_WOWLAN_DISCONNECT; + hw->wiphy->wowlan.n_patterns = 0; + + hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; + +#if defined(CONFIG_CW1200_DISABLE_BEACON_HINTS) + hw->wiphy->flags |= WIPHY_FLAG_DISABLE_BEACON_HINTS; +#endif + + hw->channel_change_time = 1000; /* TODO: find actual value */ + /* priv->beacon_req_id = cpu_to_le32(0); */ + hw->queues = 4; + priv->noise = -94; + + hw->max_rates = 8; + hw->max_rate_tries = 15; + hw->extra_tx_headroom = WSM_TX_EXTRA_HEADROOM + + 8 /* TKIP IV */ + + 12 /* TKIP ICV and MIC */; + + hw->sta_data_size = sizeof(struct cw1200_sta_priv); + + hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &cw1200_band_2ghz; +#ifdef CONFIG_CW1200_5GHZ_SUPPORT + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &cw1200_band_5ghz; +#endif /* CONFIG_CW1200_5GHZ_SUPPORT */ + + hw->wiphy->max_scan_ssids = 2; + hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; + + SET_IEEE80211_PERM_ADDR(hw, cw1200_mac_template); + + if (hw->wiphy->perm_addr[3] == 0 && + hw->wiphy->perm_addr[4] == 0 && + hw->wiphy->perm_addr[5] == 0) { + get_random_bytes(&hw->wiphy->perm_addr[3], 3); + } + + mutex_init(&priv->wsm_cmd_mux); + mutex_init(&priv->conf_mutex); + priv->workqueue = create_singlethread_workqueue("cw1200_wq"); + sema_init(&priv->scan.lock, 1); + INIT_WORK(&priv->scan.work, cw1200_scan_work); + INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work); + INIT_DELAYED_WORK(&priv->scan.timeout, cw1200_scan_timeout); + INIT_WORK(&priv->join_work, cw1200_join_work); + INIT_DELAYED_WORK(&priv->join_timeout, cw1200_join_timeout); + INIT_WORK(&priv->unjoin_work, cw1200_unjoin_work); + INIT_WORK(&priv->offchannel_work, cw1200_offchannel_work); + INIT_WORK(&priv->wep_key_work, cw1200_wep_key_work); + INIT_WORK(&priv->tx_policy_upload_work, tx_policy_upload_work); + spin_lock_init(&priv->event_queue_lock); + INIT_LIST_HEAD(&priv->event_queue); + INIT_WORK(&priv->event_handler, cw1200_event_handler); + INIT_DELAYED_WORK(&priv->bss_loss_work, cw1200_bss_loss_work); + INIT_DELAYED_WORK(&priv->connection_loss_work, + cw1200_connection_loss_work); + spin_lock_init(&priv->bss_loss_lock); + INIT_WORK(&priv->tx_failure_work, cw1200_tx_failure_work); + spin_lock_init(&priv->ps_state_lock); + INIT_DELAYED_WORK(&priv->set_cts_work, cw1200_set_cts_work); + INIT_WORK(&priv->set_tim_work, cw1200_set_tim_work); + INIT_WORK(&priv->multicast_start_work, cw1200_multicast_start_work); + INIT_WORK(&priv->multicast_stop_work, cw1200_multicast_stop_work); + INIT_WORK(&priv->link_id_work, cw1200_link_id_work); + INIT_DELAYED_WORK(&priv->link_id_gc_work, cw1200_link_id_gc_work); +#if defined(CONFIG_CW1200_CERTIFICATION_TRICKS) + INIT_WORK(&priv->linkid_reset_work, cw1200_link_id_reset); +#endif /* CONFIG_CW1200_CERTIFICATION_TRICKS */ + INIT_WORK(&priv->update_filtering_work, cw1200_update_filtering_work); + INIT_WORK(&priv->ba_work, cw1200_ba_work); + init_timer(&priv->mcast_timeout); + priv->mcast_timeout.data = (unsigned long)priv; + priv->mcast_timeout.function = cw1200_mcast_timeout; + spin_lock_init(&priv->ba_lock); + init_timer(&priv->ba_timer); + priv->ba_timer.data = (unsigned long)priv; + priv->ba_timer.function = cw1200_ba_timer; + + if (unlikely(cw1200_queue_stats_init(&priv->tx_queue_stats, + CW1200_LINK_ID_MAX, + cw1200_skb_dtor, + priv))) { + ieee80211_free_hw(hw); + return NULL; + } + + for (i = 0; i < 4; ++i) { + if (unlikely(cw1200_queue_init(&priv->tx_queue[i], + &priv->tx_queue_stats, i, 16, + cw1200_ttl[i]))) { + for (; i > 0; i--) + cw1200_queue_deinit(&priv->tx_queue[i - 1]); + cw1200_queue_stats_deinit(&priv->tx_queue_stats); + ieee80211_free_hw(hw); + return NULL; + } + } + + init_waitqueue_head(&priv->channel_switch_done); + init_waitqueue_head(&priv->wsm_cmd_wq); + init_waitqueue_head(&priv->wsm_startup_done); + wsm_buf_init(&priv->wsm_cmd_buf); + spin_lock_init(&priv->wsm_cmd.lock); + tx_policy_init(priv); +#if defined(CONFIG_CW1200_WSM_DUMPS_SHORT) + priv->wsm_dump_max_size = 20; +#endif /* CONFIG_CW1200_WSM_DUMPS_SHORT */ + + return hw; +} +EXPORT_SYMBOL_GPL(cw1200_init_common); + +int cw1200_register_common(struct ieee80211_hw *dev) +{ + struct cw1200_common *priv = dev->priv; + int err; + + err = cw1200_pm_init(&priv->pm_state, priv); + if (err) { + cw1200_dbg(CW1200_DBG_ERROR, "Cannot init PM. (%d).\n", + err); + return err; + } + + err = ieee80211_register_hw(dev); + if (err) { + cw1200_dbg(CW1200_DBG_ERROR, "Cannot register device (%d).\n", + err); + cw1200_pm_deinit(&priv->pm_state); + return err; + } + +#ifdef CONFIG_CW1200_LEDS + err = cw1200_init_leds(priv); + if (err) { + cw1200_pm_deinit(&priv->pm_state); + ieee80211_unregister_hw(dev); + return err; + } +#endif /* CONFIG_CW1200_LEDS */ + + cw1200_debug_init(priv); + + cw1200_dbg(CW1200_DBG_MSG, "is registered as '%s'\n", + wiphy_name(dev->wiphy)); + return 0; +} +EXPORT_SYMBOL_GPL(cw1200_register_common); + +void cw1200_free_common(struct ieee80211_hw *dev) +{ + /* struct cw1200_common *priv = dev->priv; */ + /* unsigned int i; */ + + ieee80211_free_hw(dev); +} +EXPORT_SYMBOL_GPL(cw1200_free_common); + +void cw1200_unregister_common(struct ieee80211_hw *dev) +{ + struct cw1200_common *priv = dev->priv; + int i; + + ieee80211_unregister_hw(dev); + + del_timer_sync(&priv->mcast_timeout); + del_timer_sync(&priv->ba_timer); + + priv->sbus_ops->irq_unsubscribe(priv->sbus_priv); + cw1200_unregister_bh(priv); + + cw1200_debug_release(priv); + +#ifdef CONFIG_CW1200_LEDS + cw1200_unregister_leds(priv); +#endif /* CONFIG_CW1200_LEDS */ + + mutex_destroy(&priv->conf_mutex); + + wsm_buf_deinit(&priv->wsm_cmd_buf); + + destroy_workqueue(priv->workqueue); + priv->workqueue = NULL; + + if (priv->skb_cache) { + dev_kfree_skb(priv->skb_cache); + priv->skb_cache = NULL; + } + + if (priv->sdd) { + release_firmware(priv->sdd); + priv->sdd = NULL; + } + + for (i = 0; i < 4; ++i) + cw1200_queue_deinit(&priv->tx_queue[i]); + cw1200_queue_stats_deinit(&priv->tx_queue_stats); + cw1200_pm_deinit(&priv->pm_state); +} +EXPORT_SYMBOL_GPL(cw1200_unregister_common); + +int cw1200_core_probe(const struct sbus_ops *sbus_ops, + struct sbus_priv *sbus, + struct device *pdev, + struct cw1200_common **pself) +{ + int err = -ENOMEM; + struct ieee80211_hw *dev; + struct cw1200_common *priv; + struct wsm_operational_mode mode = { + .power_mode = wsm_power_mode_quiescent, + .disableMoreFlagUsage = true, + }; + + dev = cw1200_init_common(sizeof(struct cw1200_common)); + if (!dev) + goto err; + + priv = dev->priv; + + priv->sbus_ops = sbus_ops; + priv->sbus_priv = sbus; + priv->pdev = pdev; + SET_IEEE80211_DEV(priv->hw, pdev); + + /* WSM callbacks. */ + priv->wsm_cbc.scan_complete = cw1200_scan_complete_cb; + priv->wsm_cbc.tx_confirm = cw1200_tx_confirm_cb; + priv->wsm_cbc.rx = cw1200_rx_cb; + priv->wsm_cbc.suspend_resume = cw1200_suspend_resume; + /* priv->wsm_cbc.set_pm_complete = cw1200_set_pm_complete_cb; */ + priv->wsm_cbc.channel_switch = cw1200_channel_switch_cb; + + err = cw1200_register_bh(priv); + if (err) + goto err1; + + err = cw1200_load_firmware(priv); + if (err) + goto err2; + priv->sbus_ops->lock(priv->sbus_priv); + WARN_ON(priv->sbus_ops->set_block_size(priv->sbus_priv, + SDIO_BLOCK_SIZE)); + priv->sbus_ops->unlock(priv->sbus_priv); + + if (wait_event_interruptible_timeout(priv->wsm_startup_done, + priv->wsm_caps.firmwareReady, 3*HZ) <= 0) { + /* TODO: Needs to find how to reset device */ + /* in QUEUE mode properly. */ + goto err3; + } + + /* Set low-power mode. */ + WARN_ON(wsm_set_operational_mode(priv, &mode)); + + /* Enable multi-TX confirmation */ + WARN_ON(wsm_use_multi_tx_conf(priv, true)); + + err = cw1200_register_common(dev); + if (err) { + priv->sbus_ops->irq_unsubscribe(priv->sbus_priv); + goto err3; + } + + *pself = dev->priv; + return err; + +err3: + sbus_ops->reset(sbus); +err2: + cw1200_unregister_bh(priv); +err1: + cw1200_free_common(dev); +err: + return err; +} +EXPORT_SYMBOL_GPL(cw1200_core_probe); + +void cw1200_core_release(struct cw1200_common *self) +{ + cw1200_unregister_common(self->hw); + cw1200_free_common(self->hw); + return; +} +EXPORT_SYMBOL_GPL(cw1200_core_release); -- 1.7.9