staging: Add rtl8723bs sdio wifi driver

The rtl8723bs is found on quite a few systems used by Linux users,
such as on Atom systems (Intel Computestick and various other
Atom based devices) and on many (budget) ARM boards such as
the CHIP.

The plan moving forward with this is for the new clean,
written from scratch, rtl8xxxu driver to eventually gain
support for sdio devices. But there is no clear timeline
for that, so lets add this driver included in staging for now.

Cc: Bastien Nocera <hadess@hadess.net>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <jes.sorensen@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 690 insertions, 0 deletions

diff --git a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
new file mode 100644
index 000000000000..b0da06307fdf
--- /dev/null
+++ b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
@@ -0,0 +1,690 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ ******************************************************************************/
+#define _HCI_INTF_C_
+
+#include <drv_types.h>
+#include <rtw_debug.h>
+#include <linux/jiffies.h>
+
+#ifndef dev_to_sdio_func
+#define dev_to_sdio_func(d)     container_of(d, struct sdio_func, dev)
+#endif
+
+static const struct sdio_device_id sdio_ids[] =
+{
+	{ SDIO_DEVICE(0x024c, 0x0523), },
+	{ SDIO_DEVICE(0x024c, 0x0623), },
+	{ SDIO_DEVICE(0x024c, 0x0626), },
+	{ SDIO_DEVICE(0x024c, 0xb723), },
+	{ /* end: all zeroes */				},
+};
+static const struct acpi_device_id acpi_ids[] = {
+	{"OBDA8723", 0x0000},
+	{}
+};
+
+MODULE_DEVICE_TABLE(sdio, sdio_ids);
+MODULE_DEVICE_TABLE(acpi, acpi_ids);
+
+static int rtw_drv_init(struct sdio_func *func, const struct sdio_device_id *id);
+static void rtw_dev_remove(struct sdio_func *func);
+static int rtw_sdio_resume(struct device *dev);
+static int rtw_sdio_suspend(struct device *dev);
+
+static const struct dev_pm_ops rtw_sdio_pm_ops = {
+	.suspend	= rtw_sdio_suspend,
+	.resume	= rtw_sdio_resume,
+};
+
+struct sdio_drv_priv {
+	struct sdio_driver r871xs_drv;
+	int drv_registered;
+};
+
+static struct sdio_drv_priv sdio_drvpriv = {
+	.r871xs_drv.probe = rtw_drv_init,
+	.r871xs_drv.remove = rtw_dev_remove,
+	.r871xs_drv.name = "rtl8723bs",
+	.r871xs_drv.id_table = sdio_ids,
+	.r871xs_drv.drv = {
+		.pm = &rtw_sdio_pm_ops,
+	}
+};
+
+static void sd_sync_int_hdl(struct sdio_func *func)
+{
+	struct dvobj_priv *psdpriv;
+
+
+	psdpriv = sdio_get_drvdata(func);
+
+	if (!psdpriv->if1) {
+		DBG_871X("%s if1 == NULL\n", __func__);
+		return;
+	}
+
+	rtw_sdio_set_irq_thd(psdpriv, current);
+	sd_int_hdl(psdpriv->if1);
+	rtw_sdio_set_irq_thd(psdpriv, NULL);
+}
+
+static int sdio_alloc_irq(struct dvobj_priv *dvobj)
+{
+	PSDIO_DATA psdio_data;
+	struct sdio_func *func;
+	int err;
+
+	psdio_data = &dvobj->intf_data;
+	func = psdio_data->func;
+
+	sdio_claim_host(func);
+
+	err = sdio_claim_irq(func, &sd_sync_int_hdl);
+	if (err)
+	{
+		dvobj->drv_dbg.dbg_sdio_alloc_irq_error_cnt++;
+		printk(KERN_CRIT "%s: sdio_claim_irq FAIL(%d)!\n", __func__, err);
+	}
+	else
+	{
+		dvobj->drv_dbg.dbg_sdio_alloc_irq_cnt++;
+		dvobj->irq_alloc = 1;
+	}
+
+	sdio_release_host(func);
+
+	return err?_FAIL:_SUCCESS;
+}
+
+static void sdio_free_irq(struct dvobj_priv *dvobj)
+{
+    PSDIO_DATA psdio_data;
+    struct sdio_func *func;
+    int err;
+
+    if (dvobj->irq_alloc) {
+        psdio_data = &dvobj->intf_data;
+        func = psdio_data->func;
+
+        if (func) {
+            sdio_claim_host(func);
+            err = sdio_release_irq(func);
+            if (err)
+            {
+				dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
+				DBG_871X_LEVEL(_drv_err_,"%s: sdio_release_irq FAIL(%d)!\n", __func__, err);
+            }
+            else
+		dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
+            sdio_release_host(func);
+        }
+        dvobj->irq_alloc = 0;
+    }
+}
+
+#ifdef CONFIG_GPIO_WAKEUP
+extern unsigned int oob_irq;
+static irqreturn_t gpio_hostwakeup_irq_thread(int irq, void *data)
+{
+	struct adapter *padapter = (struct adapter *)data;
+	DBG_871X_LEVEL(_drv_always_, "gpio_hostwakeup_irq_thread\n");
+	/* Disable interrupt before calling handler */
+	/* disable_irq_nosync(oob_irq); */
+	rtw_lock_suspend_timeout(HZ/2);
+	return IRQ_HANDLED;
+}
+
+static u8 gpio_hostwakeup_alloc_irq(struct adapter *padapter)
+{
+	int err;
+	if (oob_irq == 0) {
+		DBG_871X("oob_irq ZERO!\n");
+		return _FAIL;
+	}
+	/* dont set it IRQF_TRIGGER_LOW, or wowlan */
+	/* power is high after suspend */
+	/* and failing can prevent can not sleep issue if */
+	/* wifi gpio12 pin is not linked with CPU */
+	err = request_threaded_irq(oob_irq, gpio_hostwakeup_irq_thread, NULL,
+		/* IRQF_TRIGGER_LOW | IRQF_ONESHOT, */
+		IRQF_TRIGGER_FALLING,
+		"rtw_wifi_gpio_wakeup", padapter);
+	if (err < 0) {
+		DBG_871X("Oops: can't allocate gpio irq %d err:%d\n", oob_irq, err);
+		return false;
+	} else {
+		DBG_871X("allocate gpio irq %d ok\n", oob_irq);
+	}
+
+	enable_irq_wake(oob_irq);
+	return _SUCCESS;
+}
+
+static void gpio_hostwakeup_free_irq(struct adapter *padapter)
+{
+	if (oob_irq == 0)
+		return;
+
+	disable_irq_wake(oob_irq);
+	free_irq(oob_irq, padapter);
+}
+#endif
+
+static u32 sdio_init(struct dvobj_priv *dvobj)
+{
+	PSDIO_DATA psdio_data;
+	struct sdio_func *func;
+	int err;
+
+	psdio_data = &dvobj->intf_data;
+	func = psdio_data->func;
+
+	/* 3 1. init SDIO bus */
+	sdio_claim_host(func);
+
+	err = sdio_enable_func(func);
+	if (err) {
+		dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
+		DBG_8192C(KERN_CRIT "%s: sdio_enable_func FAIL(%d)!\n", __func__, err);
+		goto release;
+	}
+
+	err = sdio_set_block_size(func, 512);
+	if (err) {
+		dvobj->drv_dbg.dbg_sdio_init_error_cnt++;
+		DBG_8192C(KERN_CRIT "%s: sdio_set_block_size FAIL(%d)!\n", __func__, err);
+		goto release;
+	}
+	psdio_data->block_transfer_len = 512;
+	psdio_data->tx_block_mode = 1;
+	psdio_data->rx_block_mode = 1;
+
+release:
+	sdio_release_host(func);
+
+	if (err)
+		return _FAIL;
+	return _SUCCESS;
+}
+
+static void sdio_deinit(struct dvobj_priv *dvobj)
+{
+	struct sdio_func *func;
+	int err;
+
+
+	RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+sdio_deinit\n"));
+
+	func = dvobj->intf_data.func;
+
+	if (func) {
+		sdio_claim_host(func);
+		err = sdio_disable_func(func);
+		if (err)
+		{
+			dvobj->drv_dbg.dbg_sdio_deinit_error_cnt++;
+			DBG_8192C(KERN_ERR "%s: sdio_disable_func(%d)\n", __func__, err);
+		}
+
+		if (dvobj->irq_alloc) {
+			err = sdio_release_irq(func);
+			if (err)
+			{
+				dvobj->drv_dbg.dbg_sdio_free_irq_error_cnt++;
+				DBG_8192C(KERN_ERR "%s: sdio_release_irq(%d)\n", __func__, err);
+			}
+			else
+				dvobj->drv_dbg.dbg_sdio_free_irq_cnt++;
+		}
+
+		sdio_release_host(func);
+	}
+}
+static struct dvobj_priv *sdio_dvobj_init(struct sdio_func *func)
+{
+	int status = _FAIL;
+	struct dvobj_priv *dvobj = NULL;
+	PSDIO_DATA psdio;
+
+	if ((dvobj = devobj_init()) == NULL) {
+		goto exit;
+	}
+
+	sdio_set_drvdata(func, dvobj);
+
+	psdio = &dvobj->intf_data;
+	psdio->func = func;
+
+	if (sdio_init(dvobj) != _SUCCESS) {
+		RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!\n", __func__));
+		goto free_dvobj;
+	}
+	rtw_reset_continual_io_error(dvobj);
+	status = _SUCCESS;
+
+free_dvobj:
+	if (status != _SUCCESS && dvobj) {
+		sdio_set_drvdata(func, NULL);
+
+		devobj_deinit(dvobj);
+
+		dvobj = NULL;
+	}
+exit:
+	return dvobj;
+}
+
+static void sdio_dvobj_deinit(struct sdio_func *func)
+{
+	struct dvobj_priv *dvobj = sdio_get_drvdata(func);
+
+	sdio_set_drvdata(func, NULL);
+	if (dvobj) {
+		sdio_deinit(dvobj);
+		devobj_deinit(dvobj);
+	}
+	return;
+}
+
+void rtw_set_hal_ops(struct adapter *padapter)
+{
+	/* alloc memory for HAL DATA */
+	rtw_hal_data_init(padapter);
+
+	rtl8723bs_set_hal_ops(padapter);
+}
+
+static void sd_intf_start(struct adapter *padapter)
+{
+	if (padapter == NULL) {
+		DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
+		return;
+	}
+
+	/*  hal dep */
+	rtw_hal_enable_interrupt(padapter);
+}
+
+static void sd_intf_stop(struct adapter *padapter)
+{
+	if (padapter == NULL) {
+		DBG_8192C(KERN_ERR "%s: padapter is NULL!\n", __func__);
+		return;
+	}
+
+	/*  hal dep */
+	rtw_hal_disable_interrupt(padapter);
+}
+
+
+static struct adapter *rtw_sdio_if1_init(struct dvobj_priv *dvobj, const struct sdio_device_id  *pdid)
+{
+	int status = _FAIL;
+	struct net_device *pnetdev;
+	struct adapter *padapter = NULL;
+	PSDIO_DATA psdio = &dvobj->intf_data;
+
+	if ((padapter = (struct adapter *)vzalloc(sizeof(*padapter))) == NULL) {
+		goto exit;
+	}
+
+	padapter->dvobj = dvobj;
+	dvobj->if1 = padapter;
+
+	padapter->bDriverStopped =true;
+
+	dvobj->padapters = padapter;
+	padapter->iface_id = 0;
+
+	/* 3 1. init network device data */
+	pnetdev = rtw_init_netdev(padapter);
+	if (!pnetdev)
+		goto free_adapter;
+
+	SET_NETDEV_DEV(pnetdev, dvobj_to_dev(dvobj));
+
+	padapter = rtw_netdev_priv(pnetdev);
+
+	rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj));
+
+	/* 3 3. init driver special setting, interface, OS and hardware relative */
+
+	/* 4 3.1 set hardware operation functions */
+	rtw_set_hal_ops(padapter);
+
+
+	/* 3 5. initialize Chip version */
+	padapter->intf_start = &sd_intf_start;
+	padapter->intf_stop = &sd_intf_stop;
+
+	padapter->intf_init = &sdio_init;
+	padapter->intf_deinit = &sdio_deinit;
+	padapter->intf_alloc_irq = &sdio_alloc_irq;
+	padapter->intf_free_irq = &sdio_free_irq;
+
+	if (rtw_init_io_priv(padapter, sdio_set_intf_ops) == _FAIL)
+	{
+		RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+			("rtw_drv_init: Can't init io_priv\n"));
+		goto free_hal_data;
+	}
+
+	rtw_hal_read_chip_version(padapter);
+
+	rtw_hal_chip_configure(padapter);
+
+	rtw_btcoex_Initialize(padapter);
+
+	/* 3 6. read efuse/eeprom data */
+	rtw_hal_read_chip_info(padapter);
+
+	/* 3 7. init driver common data */
+	if (rtw_init_drv_sw(padapter) == _FAIL) {
+		RT_TRACE(_module_hci_intfs_c_, _drv_err_,
+			 ("rtw_drv_init: Initialize driver software resource Failed!\n"));
+		goto free_hal_data;
+	}
+
+	/* 3 8. get WLan MAC address */
+	/*  set mac addr */
+	rtw_macaddr_cfg(&psdio->func->dev, padapter->eeprompriv.mac_addr);
+
+	rtw_hal_disable_interrupt(padapter);
+
+	DBG_871X("bDriverStopped:%d, bSurpriseRemoved:%d, bup:%d, hw_init_completed:%d\n"
+		, padapter->bDriverStopped
+		, padapter->bSurpriseRemoved
+		, padapter->bup
+		, padapter->hw_init_completed
+	);
+
+	status = _SUCCESS;
+
+free_hal_data:
+	if (status != _SUCCESS && padapter->HalData)
+		kfree(padapter->HalData);
+
+	if (status != _SUCCESS) {
+		rtw_wdev_unregister(padapter->rtw_wdev);
+		rtw_wdev_free(padapter->rtw_wdev);
+	}
+
+free_adapter:
+	if (status != _SUCCESS) {
+		if (pnetdev)
+			rtw_free_netdev(pnetdev);
+		else
+			vfree((u8 *)padapter);
+		padapter = NULL;
+	}
+exit:
+	return padapter;
+}
+
+static void rtw_sdio_if1_deinit(struct adapter *if1)
+{
+	struct net_device *pnetdev = if1->pnetdev;
+	struct mlme_priv *pmlmepriv = &if1->mlmepriv;
+
+	if (check_fwstate(pmlmepriv, _FW_LINKED))
+		rtw_disassoc_cmd(if1, 0, false);
+
+	free_mlme_ap_info(if1);
+
+#ifdef CONFIG_GPIO_WAKEUP
+	gpio_hostwakeup_free_irq(if1);
+#endif
+
+	rtw_cancel_all_timer(if1);
+
+#ifdef CONFIG_WOWLAN
+	adapter_to_pwrctl(if1)->wowlan_mode =false;
+	DBG_871X_LEVEL(_drv_always_, "%s wowlan_mode:%d\n", __func__, adapter_to_pwrctl(if1)->wowlan_mode);
+#endif /* CONFIG_WOWLAN */
+
+	rtw_dev_unload(if1);
+	DBG_871X("+r871xu_dev_remove, hw_init_completed =%d\n", if1->hw_init_completed);
+
+	if (if1->rtw_wdev) {
+		rtw_wdev_free(if1->rtw_wdev);
+	}
+
+	rtw_free_drv_sw(if1);
+
+	if (pnetdev)
+		rtw_free_netdev(pnetdev);
+}
+
+/*
+ * drv_init() - a device potentially for us
+ *
+ * notes: drv_init() is called when the bus driver has located a card for us to support.
+ *        We accept the new device by returning 0.
+ */
+static int rtw_drv_init(
+	struct sdio_func *func,
+	const struct sdio_device_id *id)
+{
+	int status = _FAIL;
+	struct adapter *if1 = NULL, *if2 = NULL;
+	struct dvobj_priv *dvobj;
+
+	if ((dvobj = sdio_dvobj_init(func)) == NULL) {
+		RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("initialize device object priv Failed!\n"));
+		goto exit;
+	}
+
+	if ((if1 = rtw_sdio_if1_init(dvobj, id)) == NULL) {
+		DBG_871X("rtw_init_primarystruct adapter Failed!\n");
+		goto free_dvobj;
+	}
+
+	/* dev_alloc_name && register_netdev */
+	if ((status = rtw_drv_register_netdev(if1)) != _SUCCESS) {
+		goto free_if2;
+	}
+
+	if (sdio_alloc_irq(dvobj) != _SUCCESS)
+		goto free_if2;
+
+#ifdef	CONFIG_GPIO_WAKEUP
+	gpio_hostwakeup_alloc_irq(if1);
+#endif
+
+	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("-871x_drv - drv_init, success!\n"));
+
+	rtw_ndev_notifier_register();
+	status = _SUCCESS;
+
+free_if2:
+	if (status != _SUCCESS && if2) {
+	}
+	if (status != _SUCCESS && if1) {
+		rtw_sdio_if1_deinit(if1);
+	}
+free_dvobj:
+	if (status != _SUCCESS)
+		sdio_dvobj_deinit(func);
+exit:
+	return status == _SUCCESS?0:-ENODEV;
+}
+
+static void rtw_dev_remove(struct sdio_func *func)
+{
+	struct dvobj_priv *dvobj = sdio_get_drvdata(func);
+	struct adapter *padapter = dvobj->if1;
+
+	RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+rtw_dev_remove\n"));
+
+	dvobj->processing_dev_remove = true;
+
+	rtw_unregister_netdevs(dvobj);
+
+	if (padapter->bSurpriseRemoved == false) {
+		int err;
+
+		/* test surprise remove */
+		sdio_claim_host(func);
+		sdio_readb(func, 0, &err);
+		sdio_release_host(func);
+		if (err == -ENOMEDIUM) {
+			padapter->bSurpriseRemoved = true;
+			DBG_871X(KERN_NOTICE "%s: device had been removed!\n", __func__);
+		}
+	}
+
+	rtw_ps_deny(padapter, PS_DENY_DRV_REMOVE);
+
+	rtw_pm_set_ips(padapter, IPS_NONE);
+	rtw_pm_set_lps(padapter, PS_MODE_ACTIVE);
+
+	LeaveAllPowerSaveMode(padapter);
+
+	rtw_btcoex_HaltNotify(padapter);
+
+	rtw_sdio_if1_deinit(padapter);
+
+	sdio_dvobj_deinit(func);
+
+	RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("-rtw_dev_remove\n"));
+}
+
+extern int pm_netdev_open(struct net_device *pnetdev, u8 bnormal);
+extern int pm_netdev_close(struct net_device *pnetdev, u8 bnormal);
+
+static int rtw_sdio_suspend(struct device *dev)
+{
+	struct sdio_func *func =dev_to_sdio_func(dev);
+	struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
+	struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
+	struct adapter *padapter = psdpriv->if1;
+	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+
+	if (padapter->bDriverStopped == true)
+	{
+		DBG_871X("%s bDriverStopped = %d\n", __func__, padapter->bDriverStopped);
+		return 0;
+	}
+
+	if (pwrpriv->bInSuspend == true)
+	{
+		DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
+		pdbgpriv->dbg_suspend_error_cnt++;
+		return 0;
+	}
+
+	return rtw_suspend_common(padapter);
+}
+
+static int rtw_resume_process(struct adapter *padapter)
+{
+	struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
+	struct dvobj_priv *psdpriv = padapter->dvobj;
+	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+
+	if (pwrpriv->bInSuspend == false)
+	{
+		pdbgpriv->dbg_resume_error_cnt++;
+		DBG_871X("%s bInSuspend = %d\n", __func__, pwrpriv->bInSuspend);
+		return -1;
+	}
+
+	return rtw_resume_common(padapter);
+}
+
+static int rtw_sdio_resume(struct device *dev)
+{
+	struct sdio_func *func =dev_to_sdio_func(dev);
+	struct dvobj_priv *psdpriv = sdio_get_drvdata(func);
+	struct pwrctrl_priv *pwrpriv = dvobj_to_pwrctl(psdpriv);
+	struct adapter *padapter = psdpriv->if1;
+	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+	int ret = 0;
+	struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
+
+	DBG_871X("==> %s (%s:%d)\n", __func__, current->comm, current->pid);
+
+	pdbgpriv->dbg_resume_cnt++;
+
+	if (pwrpriv->bInternalAutoSuspend)
+	{
+		ret = rtw_resume_process(padapter);
+	}
+	else
+	{
+		if (pwrpriv->wowlan_mode || pwrpriv->wowlan_ap_mode)
+		{
+			ret = rtw_resume_process(padapter);
+		}
+		else
+		{
+			ret = rtw_resume_process(padapter);
+		}
+	}
+	pmlmeext->last_scan_time = jiffies;
+	DBG_871X("<========  %s return %d\n", __func__, ret);
+	return ret;
+
+}
+
+static int __init rtw_drv_entry(void)
+{
+	int ret = 0;
+
+	DBG_871X_LEVEL(_drv_always_, "module init start\n");
+	dump_drv_version(RTW_DBGDUMP);
+#ifdef BTCOEXVERSION
+	DBG_871X_LEVEL(_drv_always_, "rtl8723bs BT-Coex version = %s\n", BTCOEXVERSION);
+#endif /*  BTCOEXVERSION */
+
+	sdio_drvpriv.drv_registered = true;
+	rtw_drv_proc_init();
+
+	ret = sdio_register_driver(&sdio_drvpriv.r871xs_drv);
+	if (ret != 0)
+	{
+		sdio_drvpriv.drv_registered = false;
+		rtw_drv_proc_deinit();
+		rtw_ndev_notifier_unregister();
+		DBG_871X("%s: register driver failed!!(%d)\n", __func__, ret);
+		goto exit;
+	}
+
+	goto exit;
+
+exit:
+	DBG_871X_LEVEL(_drv_always_, "module init ret =%d\n", ret);
+	return ret;
+}
+
+static void __exit rtw_drv_halt(void)
+{
+	DBG_871X_LEVEL(_drv_always_, "module exit start\n");
+
+	sdio_drvpriv.drv_registered = false;
+
+	sdio_unregister_driver(&sdio_drvpriv.r871xs_drv);
+
+	rtw_drv_proc_deinit();
+	rtw_ndev_notifier_unregister();
+
+	DBG_871X_LEVEL(_drv_always_, "module exit success\n");
+
+	rtw_mstat_dump(RTW_DBGDUMP);
+}
+
+
+module_init(rtw_drv_entry);
+module_exit(rtw_drv_halt);