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path: root/drivers/net/wireless/sd8797/mlinux/moal_proc.c
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Diffstat (limited to 'drivers/net/wireless/sd8797/mlinux/moal_proc.c')
-rw-r--r--drivers/net/wireless/sd8797/mlinux/moal_proc.c631
1 files changed, 631 insertions, 0 deletions
diff --git a/drivers/net/wireless/sd8797/mlinux/moal_proc.c b/drivers/net/wireless/sd8797/mlinux/moal_proc.c
new file mode 100644
index 000000000000..fb7c63a29cab
--- /dev/null
+++ b/drivers/net/wireless/sd8797/mlinux/moal_proc.c
@@ -0,0 +1,631 @@
+/** @file moal_proc.c
+ *
+ * @brief This file contains functions for proc file.
+ *
+ * Copyright (C) 2008-2010, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+
+/********************************************************
+Change log:
+ 10/21/2008: initial version
+********************************************************/
+
+#include "moal_main.h"
+#ifdef UAP_SUPPORT
+#include "moal_uap.h"
+#endif
+#include "moal_sdio.h"
+
+/********************************************************
+ Local Variables
+********************************************************/
+#ifdef CONFIG_PROC_FS
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define PROC_DIR NULL
+#define MWLAN_PROC_DIR "mwlan/"
+/** Proc top level directory entry */
+struct proc_dir_entry *proc_mwlan = NULL;
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+#define PROC_DIR &proc_root
+#else
+#define PROC_DIR proc_net
+#endif
+
+#ifdef STA_SUPPORT
+static char *szModes[] = {
+ "Unknown",
+ "Managed",
+ "Ad-hoc",
+ "Auto",
+};
+#endif
+
+extern int drv_mode;
+
+/********************************************************
+ Global Variables
+********************************************************/
+
+/********************************************************
+ Local Functions
+********************************************************/
+/**
+ * @brief Proc read function for info
+ *
+ * @param page Pointer to buffer
+ * @param start Read data starting position
+ * @param offset Offset
+ * @param count Counter
+ * @param eof End of file flag
+ * @param data Data to output
+ *
+ * @return Number of output data
+ */
+static int
+woal_info_proc_read(char *page, char **start, off_t offset,
+ int count, int *eof, void *data)
+{
+ char *p = page;
+ struct net_device *netdev = data;
+ char fmt[MLAN_MAX_VER_STR_LEN];
+ moal_private *priv = (moal_private *) netdev_priv(netdev);
+#ifdef STA_SUPPORT
+ int i = 0;
+ moal_handle *handle = priv->phandle;
+ mlan_bss_info info;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
+ struct dev_mc_list *mcptr = netdev->mc_list;
+ int mc_count = netdev->mc_count;
+#else
+ struct netdev_hw_addr *mcptr = NULL;
+ int mc_count = netdev_mc_count(netdev);
+#endif /* < 2.6.35 */
+#else
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)
+ int i = 0;
+#endif /* >= 2.6.29 */
+#endif
+#ifdef UAP_SUPPORT
+ mlan_ds_uap_stats ustats;
+#endif
+
+ ENTER();
+
+ if (offset) {
+ *eof = 1;
+ goto exit;
+ }
+ memset(fmt, 0, sizeof(fmt));
+#ifdef UAP_SUPPORT
+ if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_UAP) {
+ p += sprintf(p, "driver_name = " "\"uap\"\n");
+ woal_uap_get_version(priv, fmt, sizeof(fmt) - 1);
+ if (MLAN_STATUS_SUCCESS !=
+ woal_uap_get_stats(priv, MOAL_PROC_WAIT, &ustats)) {
+ *eof = 1;
+ goto exit;
+ }
+ }
+#endif /* UAP_SUPPORT */
+#ifdef STA_SUPPORT
+ if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA) {
+ woal_get_version(handle, fmt, sizeof(fmt) - 1);
+ memset(&info, 0, sizeof(info));
+ if (MLAN_STATUS_SUCCESS !=
+ woal_get_bss_info(priv, MOAL_PROC_WAIT, &info)) {
+ *eof = 1;
+ goto exit;
+ }
+ p += sprintf(p, "driver_name = " "\"wlan\"\n");
+ }
+#endif
+ p += sprintf(p, "driver_version = %s", fmt);
+ p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name);
+#if defined(WIFI_DIRECT_SUPPORT)
+ if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT) {
+ if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA)
+ p += sprintf(p, "bss_mode = \"WIFIDIRECT-Client\"\n");
+ else
+ p += sprintf(p, "bss_mode = \"WIFIDIRECT-GO\"\n");
+ }
+#endif
+#ifdef STA_SUPPORT
+ if (priv->bss_type == MLAN_BSS_TYPE_STA)
+ p += sprintf(p, "bss_mode =\"%s\"\n", szModes[info.bss_mode]);
+#endif
+ p += sprintf(p, "media_state=\"%s\"\n",
+ ((priv->media_connected ==
+ MFALSE) ? "Disconnected" : "Connected"));
+ p += sprintf(p, "mac_address=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+ netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
+ netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+#ifdef STA_SUPPORT
+ if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_STA) {
+ p += sprintf(p, "multicast_count=\"%d\"\n", mc_count);
+ p += sprintf(p, "essid=\"%s\"\n", info.ssid.ssid);
+ p += sprintf(p, "bssid=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+ info.bssid[0], info.bssid[1],
+ info.bssid[2], info.bssid[3],
+ info.bssid[4], info.bssid[5]);
+ p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan);
+ p += sprintf(p, "region_code = \"%02x\"\n", (t_u8) info.region_code);
+
+ /*
+ * Put out the multicast list
+ */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
+ for (i = 0; i < netdev->mc_count; i++) {
+ p += sprintf(p,
+ "multicast_address[%d]=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+ i,
+ mcptr->dmi_addr[0], mcptr->dmi_addr[1],
+ mcptr->dmi_addr[2], mcptr->dmi_addr[3],
+ mcptr->dmi_addr[4], mcptr->dmi_addr[5]);
+
+ mcptr = mcptr->next;
+ }
+#else
+ netdev_for_each_mc_addr(mcptr, netdev)
+ p += sprintf(p,
+ "multicast_address[%d]=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+ i++,
+ mcptr->addr[0], mcptr->addr[1],
+ mcptr->addr[2], mcptr->addr[3],
+ mcptr->addr[4], mcptr->addr[5]);
+#endif /* < 2.6.35 */
+ }
+#endif
+ p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes);
+ p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes);
+ p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets);
+ p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets);
+ p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped);
+ p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped);
+ p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors);
+ p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors);
+ p += sprintf(p, "carrier %s\n",
+ ((netif_carrier_ok(priv->netdev)) ? "on" : "off"));
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)
+ for (i = 0; i < netdev->num_tx_queues; i++) {
+ p += sprintf(p, "tx queue %d: %s\n", i,
+ ((netif_tx_queue_stopped(netdev_get_tx_queue(netdev, 0))) ?
+ "stopped" : "started"));
+ }
+#else
+ p += sprintf(p, "tx queue %s\n",
+ ((netif_queue_stopped(priv->netdev)) ? "stopped" : "started"));
+#endif
+#ifdef UAP_SUPPORT
+ if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_UAP) {
+ p += sprintf(p, "tkip_mic_failures = %u\n", ustats.tkip_mic_failures);
+ p += sprintf(p, "ccmp_decrypt_errors = %u\n",
+ ustats.ccmp_decrypt_errors);
+ p += sprintf(p, "wep_undecryptable_count = %u\n",
+ ustats.wep_undecryptable_count);
+ p += sprintf(p, "wep_icv_error_count = %u\n",
+ ustats.wep_icv_error_count);
+ p += sprintf(p, "decrypt_failure_count = %u\n",
+ ustats.decrypt_failure_count);
+ p += sprintf(p, "mcast_tx_count = %u\n", ustats.mcast_tx_count);
+ p += sprintf(p, "failed_count = %u\n", ustats.failed_count);
+ p += sprintf(p, "retry_count = %u\n", ustats.retry_count);
+ p += sprintf(p, "multiple_retry_count = %u\n",
+ ustats.multi_retry_count);
+ p += sprintf(p, "frame_duplicate_count = %u\n", ustats.frame_dup_count);
+ p += sprintf(p, "rts_success_count = %u\n", ustats.rts_success_count);
+ p += sprintf(p, "rts_failure_count = %u\n", ustats.rts_failure_count);
+ p += sprintf(p, "ack_failure_count = %u\n", ustats.ack_failure_count);
+ p += sprintf(p, "rx_fragment_count = %u\n", ustats.rx_fragment_count);
+ p += sprintf(p, "mcast_rx_frame_count = %u\n",
+ ustats.mcast_rx_frame_count);
+ p += sprintf(p, "fcs_error_count = %u\n", ustats.fcs_error_count);
+ p += sprintf(p, "tx_frame_count = %u\n", ustats.tx_frame_count);
+ p += sprintf(p, "rsna_tkip_cm_invoked = %u\n",
+ ustats.rsna_tkip_cm_invoked);
+ p += sprintf(p, "rsna_4way_hshk_failures = %u\n",
+ ustats.rsna_4way_hshk_failures);
+ }
+#endif /* UAP_SUPPORT */
+ exit:
+ LEAVE();
+ return (p - page);
+}
+
+#define CMD52_STR_LEN 50
+/*
+ * @brief Parse cmd52 string
+ *
+ * @param buffer A pointer user buffer
+ * @param len Length user buffer
+ * @param func Parsed func number
+ * @param reg Parsed reg value
+ * @param val Parsed value to set
+ * @return BT_STATUS_SUCCESS
+ */
+static int
+parse_cmd52_string(const char __user * buffer, size_t len, int *func, int *reg,
+ int *val)
+{
+ int ret = MLAN_STATUS_SUCCESS;
+ char *string = NULL;
+ char *pos = NULL;
+
+ ENTER();
+
+ string = (char *) kmalloc(CMD52_STR_LEN, GFP_KERNEL);
+ memset(string, 0, CMD52_STR_LEN);
+ memcpy(string, buffer + strlen("sdcmd52rw="), len - strlen("sdcmd52rw="));
+ string = strstrip(string);
+
+ *func = -1;
+ *reg = -1;
+ *val = -1;
+
+ /* Get func */
+ pos = strsep(&string, " \t");
+ if (pos) {
+ *func = woal_string_to_number(pos);
+ }
+
+ /* Get reg */
+ pos = strsep(&string, " \t");
+ if (pos) {
+ *reg = woal_string_to_number(pos);
+ }
+
+ /* Get val (optional) */
+ pos = strsep(&string, " \t");
+ if (pos) {
+ *val = woal_string_to_number(pos);
+ }
+ if (string)
+ kfree(string);
+ LEAVE();
+ return ret;
+}
+
+/**
+ * @brief config proc write function
+ *
+ * @param f file pointer
+ * @param buf pointer to data buffer
+ * @param cnt data number to write
+ * @param data data to write
+ * @return number of data
+ */
+static int
+woal_config_write(struct file *f, const char *buf, unsigned long cnt,
+ void *data)
+{
+ char databuf[101];
+ char *line;
+ t_u32 config_data = 0;
+ moal_handle *handle = (moal_handle *) data;
+ int func, reg, val;
+
+ ENTER();
+ if (!MODULE_GET) {
+ LEAVE();
+ return 0;
+ }
+
+ if (cnt >= sizeof(databuf)) {
+ MODULE_PUT;
+ LEAVE();
+ return (int) cnt;
+ }
+ memset(databuf, 0, sizeof(databuf));
+ if (copy_from_user(databuf, buf, cnt)) {
+ MODULE_PUT;
+ LEAVE();
+ return 0;
+ }
+ line = databuf;
+ if (!strncmp(databuf, "soft_reset", strlen("soft_reset"))) {
+ line += strlen("soft_reset") + 1;
+ config_data = (t_u32) woal_string_to_number(line);
+ PRINTM(MINFO, "soft_reset: %d\n", (int) config_data);
+ if (woal_request_soft_reset(handle) == MLAN_STATUS_SUCCESS) {
+ handle->hardware_status = HardwareStatusReset;
+ } else {
+ PRINTM(MERROR, "Could not perform soft reset\n");
+ }
+ }
+ if (!strncmp(databuf, "drv_mode", strlen("drv_mode"))) {
+ line += strlen("drv_mode") + 1;
+ config_data = (t_u32) woal_string_to_number(line);
+ PRINTM(MINFO, "drv_mode: %d\n", (int) config_data);
+ if (config_data != (t_u32) drv_mode)
+ if (woal_switch_drv_mode(handle, config_data) !=
+ MLAN_STATUS_SUCCESS) {
+ PRINTM(MERROR, "Could not switch drv mode\n");
+ }
+ }
+ if (!strncmp(databuf, "sdcmd52rw=", strlen("sdcmd52rw="))) {
+ parse_cmd52_string(databuf, (size_t) cnt, &func, &reg, &val);
+ woal_sdio_read_write_cmd52(handle, func, reg, val);
+ }
+ MODULE_PUT;
+ LEAVE();
+ return (int) cnt;
+}
+
+/**
+ * @brief config proc read function
+ *
+ * @param page pointer to buffer
+ * @param s read data starting position
+ * @param off offset
+ * @param cnt counter
+ * @param eof end of file flag
+ * @param data data to output
+ * @return number of output data
+ */
+static int
+woal_config_read(char *page, char **s, off_t off, int cnt, int *eof, void *data)
+{
+ char *p = page;
+ moal_handle *handle = (moal_handle *) data;
+
+ ENTER();
+ if (!MODULE_GET) {
+ LEAVE();
+ return 0;
+ }
+ p += sprintf(p, "hardware_status=%d\n", (int) handle->hardware_status);
+ p += sprintf(p, "netlink_num=%d\n", (int) handle->netlink_num);
+ p += sprintf(p, "drv_mode=%d\n", (int) drv_mode);
+ p += sprintf(p, "sdcmd52rw=%d 0x%0x 0x%02X\n", handle->cmd52_func,
+ handle->cmd52_reg, handle->cmd52_val);
+ MODULE_PUT;
+ LEAVE();
+ return p - page;
+}
+
+/********************************************************
+ Global Functions
+********************************************************/
+/**
+ * @brief Convert string to number
+ *
+ * @param s Pointer to numbered string
+ *
+ * @return Converted number from string s
+ */
+int
+woal_string_to_number(char *s)
+{
+ int r = 0;
+ int base = 0;
+ int pn = 1;
+
+ if (!strncmp(s, "-", 1)) {
+ pn = -1;
+ s++;
+ }
+ if (!strncmp(s, "0x", 2) || !strncmp(s, "0X", 2)) {
+ base = 16;
+ s += 2;
+ } else
+ base = 10;
+
+ for (s = s; *s; s++) {
+ if ((*s >= '0') && (*s <= '9'))
+ r = (r * base) + (*s - '0');
+ else if ((*s >= 'A') && (*s <= 'F'))
+ r = (r * base) + (*s - 'A' + 10);
+ else if ((*s >= 'a') && (*s <= 'f'))
+ r = (r * base) + (*s - 'a' + 10);
+ else
+ break;
+ }
+
+ return (r * pn);
+}
+
+/**
+ * @brief Create the top level proc directory
+ *
+ * @param handle Pointer to woal_handle
+ *
+ * @return N/A
+ */
+void
+woal_proc_init(moal_handle * handle)
+{
+ struct proc_dir_entry *r;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+ struct proc_dir_entry *pde = PROC_DIR;
+#endif
+ char config_proc_dir[20];
+
+ ENTER();
+
+ PRINTM(MINFO, "Create Proc Interface\n");
+ if (!handle->proc_mwlan) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+ /* Check if directory already exists */
+ for (pde = pde->subdir; pde; pde = pde->next) {
+ if (pde->namelen && !strcmp("mwlan", pde->name)) {
+ /* Directory exists */
+ PRINTM(MWARN, "proc interface already exists!\n");
+ handle->proc_mwlan = pde;
+ break;
+ }
+ }
+ if (pde == NULL) {
+ handle->proc_mwlan = proc_mkdir("mwlan", PROC_DIR);
+ if (!handle->proc_mwlan)
+ PRINTM(MERROR, "Cannot create proc interface!\n");
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+ else
+ atomic_set(&handle->proc_mwlan->count, 1);
+#endif
+ }
+#else
+ if (!proc_mwlan) {
+ handle->proc_mwlan = proc_mkdir("mwlan", PROC_DIR);
+ if (!handle->proc_mwlan) {
+ PRINTM(MERROR, "Cannot create proc interface!\n");
+ }
+ } else {
+ handle->proc_mwlan = proc_mwlan;
+ }
+#endif
+ if (handle->proc_mwlan) {
+ if (handle->handle_idx)
+ sprintf(config_proc_dir, "config%d", handle->handle_idx);
+ else
+ strcpy(config_proc_dir, "config");
+
+ r = create_proc_entry(config_proc_dir, 0644, handle->proc_mwlan);
+
+ if (r) {
+ r->data = handle;
+ r->read_proc = woal_config_read;
+ r->write_proc = woal_config_write;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
+ r->owner = THIS_MODULE;
+#endif
+ } else
+ PRINTM(MMSG, "Fail to create proc config\n");
+ }
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26)
+ proc_mwlan = handle->proc_mwlan;
+#endif
+ }
+
+ LEAVE();
+}
+
+/**
+ * @brief Remove the top level proc directory
+ *
+ * @param handle pointer moal_handle
+ *
+ * @return N/A
+ */
+void
+woal_proc_exit(moal_handle * handle)
+{
+ ENTER();
+
+ PRINTM(MINFO, "Remove Proc Interface\n");
+ if (handle->proc_mwlan) {
+ char config_proc_dir[20];
+ if (handle->handle_idx)
+ sprintf(config_proc_dir, "config%d", handle->handle_idx);
+ else
+ strcpy(config_proc_dir, "config");
+ remove_proc_entry(config_proc_dir, handle->proc_mwlan);
+
+ /* Remove only if we are the only instance using this */
+ if (atomic_read(&(handle->proc_mwlan->count)) > 1) {
+ PRINTM(MWARN, "More than one interface using proc!\n");
+ } else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+ atomic_dec(&(handle->proc_mwlan->count));
+#endif
+ remove_proc_entry("mwlan", PROC_DIR);
+ handle->proc_mwlan = NULL;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26)
+ proc_mwlan = NULL;
+#endif
+ }
+ }
+
+ LEAVE();
+}
+
+/**
+ * @brief Create proc file for interface
+ *
+ * @param priv pointer moal_private
+ *
+ * @return N/A
+ */
+void
+woal_create_proc_entry(moal_private * priv)
+{
+ struct net_device *dev = priv->netdev;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+ char proc_dir_name[20];
+#endif
+
+ ENTER();
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+ if (!priv->proc_entry) {
+ memset(proc_dir_name, 0, sizeof(proc_dir_name));
+ strcpy(proc_dir_name, MWLAN_PROC_DIR);
+ strcat(proc_dir_name, dev->name);
+ /* Try to create mwlan/mlanX first */
+ priv->proc_entry = proc_mkdir(proc_dir_name, PROC_DIR);
+ if (priv->proc_entry) {
+ /* Success. Continue normally */
+ if (!priv->phandle->proc_mwlan) {
+ priv->phandle->proc_mwlan = priv->proc_entry->parent;
+ }
+ atomic_inc(&(priv->phandle->proc_mwlan->count));
+ } else {
+ /* Failure. mwlan may not exist. Try to create that first */
+ priv->phandle->proc_mwlan = proc_mkdir("mwlan", PROC_DIR);
+ if (!priv->phandle->proc_mwlan) {
+ /* Failure. Something broken */
+ LEAVE();
+ return;
+ } else {
+ /* Success. Now retry creating mlanX */
+ priv->proc_entry = proc_mkdir(proc_dir_name, PROC_DIR);
+ atomic_inc(&(priv->phandle->proc_mwlan->count));
+ }
+ }
+#else
+ if (priv->phandle->proc_mwlan && !priv->proc_entry) {
+ priv->proc_entry = proc_mkdir(dev->name, priv->phandle->proc_mwlan);
+ atomic_inc(&(priv->phandle->proc_mwlan->count));
+#endif
+ strcpy(priv->proc_entry_name, dev->name);
+ if (priv->proc_entry) {
+ create_proc_read_entry("info", 0, priv->proc_entry,
+ woal_info_proc_read, dev);
+ }
+ }
+
+ LEAVE();
+}
+
+/**
+ * @brief Remove proc file
+ *
+ * @param priv Pointer moal_private
+ *
+ * @return N/A
+ */
+void
+woal_proc_remove(moal_private * priv)
+{
+ ENTER();
+ if (priv->phandle->proc_mwlan && priv->proc_entry) {
+ remove_proc_entry("info", priv->proc_entry);
+ remove_proc_entry(priv->proc_entry_name, priv->phandle->proc_mwlan);
+ atomic_dec(&(priv->phandle->proc_mwlan->count));
+ priv->proc_entry = NULL;
+ }
+ LEAVE();
+}
+#endif