1 files changed, 151 insertions, 299 deletions

diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index fd67b770dd7..cc6a0a586f0 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -1,16 +1,15 @@
-#include <linux/module.h>
 #include <linux/dcache.h>
 #include <linux/debugfs.h>
 #include <linux/delay.h>
+#include <linux/hardirq.h>
 #include <linux/mm.h>
 #include <linux/string.h>
-#include <net/iw_handler.h>
+#include <linux/slab.h>
+#include <linux/export.h>
 
-#include "dev.h"
 #include "decl.h"
-#include "host.h"
-#include "debugfs.h"
 #include "cmd.h"
+#include "debugfs.h"
 
 static struct dentry *lbs_dir;
 static char *szStates[] = {
@@ -19,15 +18,9 @@ static char *szStates[] = {
 };
 
 #ifdef PROC_DEBUG
-static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev);
+static void lbs_debug_init(struct lbs_private *priv);
 #endif
 
-static int open_file_generic(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
 static ssize_t write_file_dummy(struct file *file, const char __user *buf,
                                 size_t count, loff_t *ppos)
 {
@@ -44,6 +37,8 @@ static ssize_t lbs_dev_info(struct file *file, char __user *userbuf,
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
 	ssize_t res;
+	if (!buf)
+		return -ENOMEM;
 
 	pos += snprintf(buf+pos, len-pos, "state = %s\n",
 				szStates[priv->connect_status]);
@@ -56,49 +51,6 @@ static ssize_t lbs_dev_info(struct file *file, char __user *userbuf,
 	return res;
 }
 
-
-static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
-				  size_t count, loff_t *ppos)
-{
-	struct lbs_private *priv = file->private_data;
-	size_t pos = 0;
-	int numscansdone = 0, res;
-	unsigned long addr = get_zeroed_page(GFP_KERNEL);
-	char *buf = (char *)addr;
-	DECLARE_MAC_BUF(mac);
-	struct bss_descriptor * iter_bss;
-
-	pos += snprintf(buf+pos, len-pos,
-		"# | ch  | rssi |       bssid       |   cap    | Qual | SSID \n");
-
-	mutex_lock(&priv->lock);
-	list_for_each_entry (iter_bss, &priv->network_list, list) {
-		u16 ibss = (iter_bss->capability & WLAN_CAPABILITY_IBSS);
-		u16 privacy = (iter_bss->capability & WLAN_CAPABILITY_PRIVACY);
-		u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
-
-		pos += snprintf(buf+pos, len-pos,
-			"%02u| %03d | %04ld | %s |",
-			numscansdone, iter_bss->channel, iter_bss->rssi,
-			print_mac(mac, iter_bss->bssid));
-		pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
-		pos += snprintf(buf+pos, len-pos, "%c%c%c |",
-				ibss ? 'A' : 'I', privacy ? 'P' : ' ',
-				spectrum_mgmt ? 'S' : ' ');
-		pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
-		pos += snprintf(buf+pos, len-pos, " %s\n",
-		                escape_essid(iter_bss->ssid, iter_bss->ssid_len));
-
-		numscansdone++;
-	}
-	mutex_unlock(&priv->lock);
-
-	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
-
-	free_page(addr);
-	return res;
-}
-
 static ssize_t lbs_sleepparams_write(struct file *file,
 				const char __user *user_buf, size_t count,
 				loff_t *ppos)
@@ -109,6 +61,8 @@ static ssize_t lbs_sleepparams_write(struct file *file,
 	int p1, p2, p3, p4, p5, p6;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, user_buf, buf_size)) {
@@ -147,6 +101,8 @@ static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf,
 	struct sleep_params sp;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp);
 	if (ret)
@@ -164,173 +120,71 @@ out_unlock:
 	return ret;
 }
 
-static ssize_t lbs_extscan(struct file *file, const char __user *userbuf,
-				  size_t count, loff_t *ppos)
+static ssize_t lbs_host_sleep_write(struct file *file,
+				const char __user *user_buf, size_t count,
+				loff_t *ppos)
 {
 	struct lbs_private *priv = file->private_data;
-	ssize_t res, buf_size;
-	union iwreq_data wrqu;
+	ssize_t buf_size, ret;
+	int host_sleep;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
-	if (copy_from_user(buf, userbuf, buf_size)) {
-		res = -EFAULT;
+	if (copy_from_user(buf, user_buf, buf_size)) {
+		ret = -EFAULT;
+		goto out_unlock;
+	}
+	ret = sscanf(buf, "%d", &host_sleep);
+	if (ret != 1) {
+		ret = -EINVAL;
 		goto out_unlock;
 	}
 
-	lbs_send_specific_ssid_scan(priv, buf, strlen(buf)-1, 0);
+	if (host_sleep == 0)
+		ret = lbs_set_host_sleep(priv, 0);
+	else if (host_sleep == 1) {
+		if (priv->wol_criteria == EHS_REMOVE_WAKEUP) {
+			netdev_info(priv->dev,
+				    "wake parameters not configured\n");
+			ret = -EINVAL;
+			goto out_unlock;
+		}
+		ret = lbs_set_host_sleep(priv, 1);
+	} else {
+		netdev_err(priv->dev, "invalid option\n");
+		ret = -EINVAL;
+	}
 
-	memset(&wrqu, 0, sizeof(union iwreq_data));
-	wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+	if (!ret)
+		ret = count;
 
 out_unlock:
 	free_page(addr);
-	return count;
-}
-
-static void lbs_parse_bssid(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold;
-	unsigned int mac[ETH_ALEN];
-
-	hold = strstr(buf, "bssid=");
-	if (!hold)
-		return;
-	hold += 6;
-	sscanf(hold, "%02x:%02x:%02x:%02x:%02x:%02x",
-	       mac, mac+1, mac+2, mac+3, mac+4, mac+5);
-	memcpy(scan_cfg->bssid, mac, ETH_ALEN);
-}
-
-static void lbs_parse_ssid(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold, *end;
-	ssize_t size;
-
-	hold = strstr(buf, "ssid=");
-	if (!hold)
-		return;
-	hold += 5;
-	end = strchr(hold, ' ');
-	if (!end)
-		end = buf + count - 1;
-
-	size = min((size_t)IW_ESSID_MAX_SIZE, (size_t) (end - hold));
-	strncpy(scan_cfg->ssid, hold, size);
-
-	return;
-}
-
-static int lbs_parse_clear(char *buf, size_t count, const char *tag)
-{
-	char *hold;
-	int val;
-
-	hold = strstr(buf, tag);
-	if (!hold)
-		return 0;
-	hold += strlen(tag);
-	sscanf(hold, "%d", &val);
-
-	if (val != 0)
-		val = 1;
-
-	return val;
-}
-
-static int lbs_parse_dur(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold;
-	int val;
-
-	hold = strstr(buf, "dur=");
-	if (!hold)
-		return 0;
-	hold += 4;
-	sscanf(hold, "%d", &val);
-
-	return val;
-}
-
-static void lbs_parse_type(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold;
-	int val;
-
-	hold = strstr(buf, "type=");
-	if (!hold)
-		return;
-	hold += 5;
-	sscanf(hold, "%d", &val);
-
-	/* type=1,2 or 3 */
-	if (val < 1 || val > 3)
-		return;
-
-	scan_cfg->bsstype = val;
-
-	return;
+	return ret;
 }
 
-static ssize_t lbs_setuserscan(struct file *file,
-				    const char __user *userbuf,
-				    size_t count, loff_t *ppos)
+static ssize_t lbs_host_sleep_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
 {
 	struct lbs_private *priv = file->private_data;
-	ssize_t res, buf_size;
-	struct lbs_ioctl_user_scan_cfg *scan_cfg;
-	union iwreq_data wrqu;
-	int dur;
-	char *buf = (char *)get_zeroed_page(GFP_KERNEL);
-
+	ssize_t ret;
+	size_t pos = 0;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
 	if (!buf)
 		return -ENOMEM;
 
-	buf_size = min(count, len - 1);
-	if (copy_from_user(buf, userbuf, buf_size)) {
-		res = -EFAULT;
-		goto out_buf;
-	}
-
-	scan_cfg = kzalloc(sizeof(struct lbs_ioctl_user_scan_cfg), GFP_KERNEL);
-	if (!scan_cfg) {
-		res = -ENOMEM;
-		goto out_buf;
-	}
-	res = count;
-
-	scan_cfg->bsstype = LBS_SCAN_BSS_TYPE_ANY;
+	pos += snprintf(buf, len, "%d\n", priv->is_host_sleep_activated);
 
-	dur = lbs_parse_dur(buf, count, scan_cfg);
-	lbs_parse_bssid(buf, count, scan_cfg);
-	scan_cfg->clear_bssid = lbs_parse_clear(buf, count, "clear_bssid=");
-	lbs_parse_ssid(buf, count, scan_cfg);
-	scan_cfg->clear_ssid = lbs_parse_clear(buf, count, "clear_ssid=");
-	lbs_parse_type(buf, count, scan_cfg);
-
-	lbs_scan_networks(priv, scan_cfg, 1);
-	wait_event_interruptible(priv->cmd_pending,
-				 priv->surpriseremoved || !priv->last_scanned_channel);
-
-	if (priv->surpriseremoved)
-		goto out_scan_cfg;
-
-	memset(&wrqu, 0x00, sizeof(union iwreq_data));
-	wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
 
- out_scan_cfg:
-	kfree(scan_cfg);
- out_buf:
-	free_page((unsigned long)buf);
-	return res;
+	free_page(addr);
+	return ret;
 }
 
-
 /*
  * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might
  * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the
@@ -349,12 +203,12 @@ static ssize_t lbs_setuserscan(struct file *file,
  */
 static void *lbs_tlv_find(uint16_t tlv_type, const uint8_t *tlv, uint16_t size)
 {
-	struct mrvlietypesheader *tlv_h;
+	struct mrvl_ie_header *tlv_h;
 	uint16_t length;
 	ssize_t pos = 0;
 
 	while (pos < size) {
-		tlv_h = (struct mrvlietypesheader *) tlv;
+		tlv_h = (struct mrvl_ie_header *) tlv;
 		if (!tlv_h->len)
 			return NULL;
 		if (tlv_h->type == cpu_to_le16(tlv_type))
@@ -372,7 +226,7 @@ static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask,
 				  size_t count, loff_t *ppos)
 {
 	struct cmd_ds_802_11_subscribe_event *subscribed;
-	struct mrvlietypes_thresholds *got;
+	struct mrvl_ie_thresholds *got;
 	struct lbs_private *priv = file->private_data;
 	ssize_t ret = 0;
 	size_t pos = 0;
@@ -425,7 +279,7 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask,
 				   loff_t *ppos)
 {
 	struct cmd_ds_802_11_subscribe_event *events;
-	struct mrvlietypes_thresholds *tlv;
+	struct mrvl_ie_thresholds *tlv;
 	struct lbs_private *priv = file->private_data;
 	ssize_t buf_size;
 	int value, freq, new_mask;
@@ -479,8 +333,8 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask,
 	if (tlv_type != TLV_TYPE_BCNMISS)
 		tlv->freq = freq;
 
-	/* The command header, the event mask, and the one TLV */
-	events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 2 + sizeof(*tlv));
+	/* The command header, the action, the event mask, and one TLV */
+	events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 4 + sizeof(*tlv));
 
 	ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events);
 
@@ -589,28 +443,26 @@ static ssize_t lbs_bcnmiss_write(struct file *file, const char __user *userbuf,
 }
 
 
-
 static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
 				  size_t count, loff_t *ppos)
 {
 	struct lbs_private *priv = file->private_data;
-	struct lbs_offset_value offval;
 	ssize_t pos = 0;
 	int ret;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	u32 val = 0;
 
-	offval.offset = priv->mac_offset;
-	offval.value = 0;
+	if (!buf)
+		return -ENOMEM;
 
-	ret = lbs_prepare_and_send_command(priv,
-				CMD_MAC_REG_ACCESS, 0,
-				CMD_OPTION_WAITFORRSP, 0, &offval);
+	ret = lbs_get_reg(priv, CMD_MAC_REG_ACCESS, priv->mac_offset, &val);
 	mdelay(10);
-	pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
-				priv->mac_offset, priv->offsetvalue.value);
-
-	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	if (!ret) {
+		pos = snprintf(buf, len, "MAC[0x%x] = 0x%08x\n",
+				priv->mac_offset, val);
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	}
 	free_page(addr);
 	return ret;
 }
@@ -623,13 +475,15 @@ static ssize_t lbs_rdmac_write(struct file *file,
 	ssize_t res, buf_size;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
 		goto out_unlock;
 	}
-	priv->mac_offset = simple_strtoul((char *)buf, NULL, 16);
+	priv->mac_offset = simple_strtoul(buf, NULL, 16);
 	res = count;
 out_unlock:
 	free_page(addr);
@@ -644,9 +498,10 @@ static ssize_t lbs_wrmac_write(struct file *file,
 	struct lbs_private *priv = file->private_data;
 	ssize_t res, buf_size;
 	u32 offset, value;
-	struct lbs_offset_value offval;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
@@ -659,14 +514,11 @@ static ssize_t lbs_wrmac_write(struct file *file,
 		goto out_unlock;
 	}
 
-	offval.offset = offset;
-	offval.value = value;
-	res = lbs_prepare_and_send_command(priv,
-				CMD_MAC_REG_ACCESS, 1,
-				CMD_OPTION_WAITFORRSP, 0, &offval);
+	res = lbs_set_reg(priv, CMD_MAC_REG_ACCESS, offset, value);
 	mdelay(10);
 
-	res = count;
+	if (!res)
+		res = count;
 out_unlock:
 	free_page(addr);
 	return res;
@@ -676,23 +528,22 @@ static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
 				  size_t count, loff_t *ppos)
 {
 	struct lbs_private *priv = file->private_data;
-	struct lbs_offset_value offval;
 	ssize_t pos = 0;
 	int ret;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	u32 val;
 
-	offval.offset = priv->bbp_offset;
-	offval.value = 0;
+	if (!buf)
+		return -ENOMEM;
 
-	ret = lbs_prepare_and_send_command(priv,
-				CMD_BBP_REG_ACCESS, 0,
-				CMD_OPTION_WAITFORRSP, 0, &offval);
+	ret = lbs_get_reg(priv, CMD_BBP_REG_ACCESS, priv->bbp_offset, &val);
 	mdelay(10);
-	pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
-				priv->bbp_offset, priv->offsetvalue.value);
-
-	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	if (!ret) {
+		pos = snprintf(buf, len, "BBP[0x%x] = 0x%08x\n",
+				priv->bbp_offset, val);
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	}
 	free_page(addr);
 
 	return ret;
@@ -706,13 +557,15 @@ static ssize_t lbs_rdbbp_write(struct file *file,
 	ssize_t res, buf_size;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
 		goto out_unlock;
 	}
-	priv->bbp_offset = simple_strtoul((char *)buf, NULL, 16);
+	priv->bbp_offset = simple_strtoul(buf, NULL, 16);
 	res = count;
 out_unlock:
 	free_page(addr);
@@ -727,9 +580,10 @@ static ssize_t lbs_wrbbp_write(struct file *file,
 	struct lbs_private *priv = file->private_data;
 	ssize_t res, buf_size;
 	u32 offset, value;
-	struct lbs_offset_value offval;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
@@ -742,14 +596,11 @@ static ssize_t lbs_wrbbp_write(struct file *file,
 		goto out_unlock;
 	}
 
-	offval.offset = offset;
-	offval.value = value;
-	res = lbs_prepare_and_send_command(priv,
-				CMD_BBP_REG_ACCESS, 1,
-				CMD_OPTION_WAITFORRSP, 0, &offval);
+	res = lbs_set_reg(priv, CMD_BBP_REG_ACCESS, offset, value);
 	mdelay(10);
 
-	res = count;
+	if (!res)
+		res = count;
 out_unlock:
 	free_page(addr);
 	return res;
@@ -759,23 +610,22 @@ static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
 				  size_t count, loff_t *ppos)
 {
 	struct lbs_private *priv = file->private_data;
-	struct lbs_offset_value offval;
 	ssize_t pos = 0;
 	int ret;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	u32 val;
 
-	offval.offset = priv->rf_offset;
-	offval.value = 0;
+	if (!buf)
+		return -ENOMEM;
 
-	ret = lbs_prepare_and_send_command(priv,
-				CMD_RF_REG_ACCESS, 0,
-				CMD_OPTION_WAITFORRSP, 0, &offval);
+	ret = lbs_get_reg(priv, CMD_RF_REG_ACCESS, priv->rf_offset, &val);
 	mdelay(10);
-	pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
-				priv->rf_offset, priv->offsetvalue.value);
-
-	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	if (!ret) {
+		pos = snprintf(buf, len, "RF[0x%x] = 0x%08x\n",
+				priv->rf_offset, val);
+		ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	}
 	free_page(addr);
 
 	return ret;
@@ -789,13 +639,15 @@ static ssize_t lbs_rdrf_write(struct file *file,
 	ssize_t res, buf_size;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
 		res = -EFAULT;
 		goto out_unlock;
 	}
-	priv->rf_offset = simple_strtoul((char *)buf, NULL, 16);
+	priv->rf_offset = simple_strtoul(buf, NULL, 16);
 	res = count;
 out_unlock:
 	free_page(addr);
@@ -810,9 +662,10 @@ static ssize_t lbs_wrrf_write(struct file *file,
 	struct lbs_private *priv = file->private_data;
 	ssize_t res, buf_size;
 	u32 offset, value;
-	struct lbs_offset_value offval;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	buf_size = min(count, len - 1);
 	if (copy_from_user(buf, userbuf, buf_size)) {
@@ -825,14 +678,11 @@ static ssize_t lbs_wrrf_write(struct file *file,
 		goto out_unlock;
 	}
 
-	offval.offset = offset;
-	offval.value = value;
-	res = lbs_prepare_and_send_command(priv,
-				CMD_RF_REG_ACCESS, 1,
-				CMD_OPTION_WAITFORRSP, 0, &offval);
+	res = lbs_set_reg(priv, CMD_RF_REG_ACCESS, offset, value);
 	mdelay(10);
 
-	res = count;
+	if (!res)
+		res = count;
 out_unlock:
 	free_page(addr);
 	return res;
@@ -840,28 +690,27 @@ out_unlock:
 
 #define FOPS(fread, fwrite) { \
 	.owner = THIS_MODULE, \
-	.open = open_file_generic, \
+	.open = simple_open, \
 	.read = (fread), \
 	.write = (fwrite), \
+	.llseek = generic_file_llseek, \
 }
 
 struct lbs_debugfs_files {
-	char *name;
-	int perm;
+	const char *name;
+	umode_t perm;
 	struct file_operations fops;
 };
 
-static struct lbs_debugfs_files debugfs_files[] = {
+static const struct lbs_debugfs_files debugfs_files[] = {
 	{ "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
-	{ "getscantable", 0444, FOPS(lbs_getscantable,
-					write_file_dummy), },
 	{ "sleepparams", 0644, FOPS(lbs_sleepparams_read,
 				lbs_sleepparams_write), },
-	{ "extscan", 0600, FOPS(NULL, lbs_extscan), },
-	{ "setuserscan", 0600, FOPS(NULL, lbs_setuserscan), },
+	{ "hostsleep", 0644, FOPS(lbs_host_sleep_read,
+				lbs_host_sleep_write), },
 };
 
-static struct lbs_debugfs_files debugfs_events_files[] = {
+static const struct lbs_debugfs_files debugfs_events_files[] = {
 	{"low_rssi", 0644, FOPS(lbs_lowrssi_read,
 				lbs_lowrssi_write), },
 	{"low_snr", 0644, FOPS(lbs_lowsnr_read,
@@ -876,7 +725,7 @@ static struct lbs_debugfs_files debugfs_events_files[] = {
 				lbs_highsnr_write), },
 };
 
-static struct lbs_debugfs_files debugfs_regs_files[] = {
+static const struct lbs_debugfs_files debugfs_regs_files[] = {
 	{"rdmac", 0644, FOPS(lbs_rdmac_read, lbs_rdmac_write), },
 	{"wrmac", 0600, FOPS(NULL, lbs_wrmac_write), },
 	{"rdbbp", 0644, FOPS(lbs_rdbbp_read, lbs_rdbbp_write), },
@@ -889,21 +738,18 @@ void lbs_debugfs_init(void)
 {
 	if (!lbs_dir)
 		lbs_dir = debugfs_create_dir("lbs_wireless", NULL);
-
-	return;
 }
 
 void lbs_debugfs_remove(void)
 {
 	if (lbs_dir)
 		 debugfs_remove(lbs_dir);
-	return;
 }
 
 void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
 {
 	int i;
-	struct lbs_debugfs_files *files;
+	const struct lbs_debugfs_files *files;
 	if (!lbs_dir)
 		goto exit;
 
@@ -947,7 +793,7 @@ void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
 	}
 
 #ifdef PROC_DEBUG
-	lbs_debug_init(priv, dev);
+	lbs_debug_init(priv);
 #endif
 exit:
 	return;
@@ -993,7 +839,6 @@ struct debug_data {
 /* To debug any member of struct lbs_private, simply add one line here.
  */
 static struct debug_data items[] = {
-	{"intcounter", item_size(intcounter), item_addr(intcounter)},
 	{"psmode", item_size(psmode), item_addr(psmode)},
 	{"psstate", item_size(psstate), item_addr(psstate)},
 };
@@ -1001,15 +846,14 @@ static struct debug_data items[] = {
 static int num_of_items = ARRAY_SIZE(items);
 
 /**
- *  @brief proc read function
+ * lbs_debugfs_read - proc read function
+ *
+ * @file:	file to read
+ * @userbuf:	pointer to buffer
+ * @count:	number of bytes to read
+ * @ppos:	read data starting position
  *
- *  @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
+ * returns:	amount of data read or negative error code
  */
 static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf,
 			size_t count, loff_t *ppos)
@@ -1022,10 +866,12 @@ static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf,
 	struct debug_data *d;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
 
 	p = buf;
 
-	d = (struct debug_data *)file->private_data;
+	d = file->private_data;
 
 	for (i = 0; i < num_of_items; i++) {
 		if (d[i].size == 1)
@@ -1047,13 +893,14 @@ static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf,
 }
 
 /**
- *  @brief proc write function
+ * lbs_debugfs_write - 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
+ * @f:		file pointer
+ * @buf:	pointer to data buffer
+ * @cnt:	data number to write
+ * @ppos:	file position
+ *
+ * returns:	amount of data written
  */
 static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
 			    size_t cnt, loff_t *ppos)
@@ -1064,9 +911,12 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
 	char *p0;
 	char *p1;
 	char *p2;
-	struct debug_data *d = (struct debug_data *)f->private_data;
+	struct debug_data *d = f->private_data;
+
+	if (cnt == 0)
+		return 0;
 
-	pdata = kmalloc(cnt, GFP_KERNEL);
+	pdata = kmalloc(cnt + 1, GFP_KERNEL);
 	if (pdata == NULL)
 		return 0;
 
@@ -1075,6 +925,7 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
 		kfree(pdata);
 		return 0;
 	}
+	pdata[cnt] = '\0';
 
 	p0 = pdata;
 	for (i = 0; i < num_of_items; i++) {
@@ -1107,21 +958,22 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
 	return (ssize_t)cnt;
 }
 
-static struct file_operations lbs_debug_fops = {
+static const struct file_operations lbs_debug_fops = {
 	.owner = THIS_MODULE,
-	.open = open_file_generic,
+	.open = simple_open,
 	.write = lbs_debugfs_write,
 	.read = lbs_debugfs_read,
+	.llseek = default_llseek,
 };
 
 /**
- *  @brief create debug proc file
+ * lbs_debug_init - create debug proc file
+ *
+ * @priv:	pointer to &struct lbs_private
  *
- *  @param priv	   pointer struct lbs_private
- *  @param dev     pointer net_device
- *  @return 	   N/A
+ * returns:	N/A
  */
-static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev)
+static void lbs_debug_init(struct lbs_private *priv)
 {
 	int i;