Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

15 files changed, 748 insertions, 559 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 0deb4fdf916b..8f11506f8310 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -53,6 +53,8 @@ enum {
 	DEBUG_MAC80211	= BIT(11),
 	DEBUG_CMD	= BIT(12),
 	DEBUG_ACX	= BIT(13),
+	DEBUG_SDIO	= BIT(14),
+	DEBUG_FILTERS   = BIT(15),
 	DEBUG_ALL	= ~0,
 };
 
@@ -344,12 +346,14 @@ struct wl1271_if_operations {
 		     bool fixed);
 	void (*reset)(struct wl1271 *wl);
 	void (*init)(struct wl1271 *wl);
+	void (*power)(struct wl1271 *wl, bool enable);
 	struct device* (*dev)(struct wl1271 *wl);
 	void (*enable_irq)(struct wl1271 *wl);
 	void (*disable_irq)(struct wl1271 *wl);
 };
 
 struct wl1271 {
+	struct platform_device *plat_dev;
 	struct ieee80211_hw *hw;
 	bool mac80211_registered;
 
@@ -456,6 +460,7 @@ struct wl1271 {
 	/* Default key (for WEP) */
 	u32 default_key;
 
+	unsigned int filters;
 	unsigned int rx_config;
 	unsigned int rx_filter;
 
@@ -483,6 +488,8 @@ struct wl1271 {
 	/* Current chipset configuration */
 	struct conf_drv_settings conf;
 
+	bool sg_enabled;
+
 	struct list_head list;
 };
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 60e20876e6d8..7e337cea9905 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -534,7 +534,7 @@ out:
 }
 
 
-int wl1271_acx_sg_enable(struct wl1271 *wl)
+int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable)
 {
 	struct acx_bt_wlan_coex *pta;
 	int ret;
@@ -547,7 +547,10 @@ int wl1271_acx_sg_enable(struct wl1271 *wl)
 		goto out;
 	}
 
-	pta->enable = SG_ENABLE;
+	if (enable)
+		pta->enable = wl->conf.sg.state;
+	else
+		pta->enable = CONF_SG_DISABLE;
 
 	ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
 	if (ret < 0) {
@@ -564,7 +567,7 @@ int wl1271_acx_sg_cfg(struct wl1271 *wl)
 {
 	struct acx_bt_wlan_coex_param *param;
 	struct conf_sg_settings *c = &wl->conf.sg;
-	int ret;
+	int i, ret;
 
 	wl1271_debug(DEBUG_ACX, "acx sg cfg");
 
@@ -575,19 +578,9 @@ int wl1271_acx_sg_cfg(struct wl1271 *wl)
 	}
 
 	/* BT-WLAN coext parameters */
-	param->per_threshold = cpu_to_le32(c->per_threshold);
-	param->max_scan_compensation_time =
-		cpu_to_le32(c->max_scan_compensation_time);
-	param->nfs_sample_interval = cpu_to_le16(c->nfs_sample_interval);
-	param->load_ratio = c->load_ratio;
-	param->auto_ps_mode = c->auto_ps_mode;
-	param->probe_req_compensation = c->probe_req_compensation;
-	param->scan_window_compensation = c->scan_window_compensation;
-	param->antenna_config = c->antenna_config;
-	param->beacon_miss_threshold = c->beacon_miss_threshold;
-	param->rate_adaptation_threshold =
-		cpu_to_le32(c->rate_adaptation_threshold);
-	param->rate_adaptation_snr = c->rate_adaptation_snr;
+	for (i = 0; i < CONF_SG_PARAMS_MAX; i++)
+		param->params[i] = c->params[i];
+	param->param_idx = CONF_SG_PARAMS_ALL;
 
 	ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
 	if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index aeccc98581eb..8e5870fa9609 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -392,81 +392,27 @@ struct acx_conn_monit_params {
        __le32 bss_lose_timeout; /* number of TU's from synch fail */
 } __attribute__ ((packed));
 
-enum {
-	SG_ENABLE = 0,
-	SG_DISABLE,
-	SG_SENSE_NO_ACTIVITY,
-	SG_SENSE_ACTIVE
-};
-
 struct acx_bt_wlan_coex {
 	struct acx_header header;
 
-	/*
-	 * 0 -> PTA enabled
-	 * 1 -> PTA disabled
-	 * 2 -> sense no active mode, i.e.
-	 *      an interrupt is sent upon
-	 *      BT activity.
-	 * 3 -> PTA is switched on in response
-	 *      to the interrupt sending.
-	 */
 	u8 enable;
 	u8 pad[3];
 } __attribute__ ((packed));
 
-struct acx_dco_itrim_params {
+struct acx_bt_wlan_coex_param {
 	struct acx_header header;
 
-	u8 enable;
+	__le32 params[CONF_SG_PARAMS_MAX];
+	u8 param_idx;
 	u8 padding[3];
-	__le32 timeout;
 } __attribute__ ((packed));
 
-#define PTA_ANTENNA_TYPE_DEF		  (0)
-#define PTA_BT_HP_MAXTIME_DEF		  (2000)
-#define PTA_WLAN_HP_MAX_TIME_DEF	  (5000)
-#define PTA_SENSE_DISABLE_TIMER_DEF	  (1350)
-#define PTA_PROTECTIVE_RX_TIME_DEF	  (1500)
-#define PTA_PROTECTIVE_TX_TIME_DEF	  (1500)
-#define PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF (3000)
-#define PTA_SIGNALING_TYPE_DEF		  (1)
-#define PTA_AFH_LEVERAGE_ON_DEF		  (0)
-#define PTA_NUMBER_QUIET_CYCLE_DEF	  (0)
-#define PTA_MAX_NUM_CTS_DEF		  (3)
-#define PTA_NUMBER_OF_WLAN_PACKETS_DEF	  (2)
-#define PTA_NUMBER_OF_BT_PACKETS_DEF	  (2)
-#define PTA_PROTECTIVE_RX_TIME_FAST_DEF	  (1500)
-#define PTA_PROTECTIVE_TX_TIME_FAST_DEF	  (3000)
-#define PTA_CYCLE_TIME_FAST_DEF		  (8700)
-#define PTA_RX_FOR_AVALANCHE_DEF	  (5)
-#define PTA_ELP_HP_DEF			  (0)
-#define PTA_ANTI_STARVE_PERIOD_DEF	  (500)
-#define PTA_ANTI_STARVE_NUM_CYCLE_DEF	  (4)
-#define PTA_ALLOW_PA_SD_DEF		  (1)
-#define PTA_TIME_BEFORE_BEACON_DEF	  (6300)
-#define PTA_HPDM_MAX_TIME_DEF		  (1600)
-#define PTA_TIME_OUT_NEXT_WLAN_DEF	  (2550)
-#define PTA_AUTO_MODE_NO_CTS_DEF	  (0)
-#define PTA_BT_HP_RESPECTED_DEF		  (3)
-#define PTA_WLAN_RX_MIN_RATE_DEF	  (24)
-#define PTA_ACK_MODE_DEF		  (1)
-
-struct acx_bt_wlan_coex_param {
+struct acx_dco_itrim_params {
 	struct acx_header header;
 
-	__le32 per_threshold;
-	__le32 max_scan_compensation_time;
-	__le16 nfs_sample_interval;
-	u8 load_ratio;
-	u8 auto_ps_mode;
-	u8 probe_req_compensation;
-	u8 scan_window_compensation;
-	u8 antenna_config;
-	u8 beacon_miss_threshold;
-	__le32 rate_adaptation_threshold;
-	s8 rate_adaptation_snr;
+	u8 enable;
 	u8 padding[3];
+	__le32 timeout;
 } __attribute__ ((packed));
 
 struct acx_energy_detection {
@@ -1059,7 +1005,7 @@ int wl1271_acx_dco_itrim_params(struct wl1271 *wl);
 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter);
 int wl1271_acx_beacon_filter_table(struct wl1271 *wl);
 int wl1271_acx_conn_monit_params(struct wl1271 *wl);
-int wl1271_acx_sg_enable(struct wl1271 *wl);
+int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable);
 int wl1271_acx_sg_cfg(struct wl1271 *wl);
 int wl1271_acx_cca_threshold(struct wl1271 *wl);
 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index f88d52e87e82..41c6affbee29 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -228,6 +228,14 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
 	nvs_len = sizeof(wl->nvs->nvs);
 	nvs_ptr = (u8 *)wl->nvs->nvs;
 
+	/* update current MAC address to NVS */
+	nvs_ptr[11] = wl->mac_addr[0];
+	nvs_ptr[10] = wl->mac_addr[1];
+	nvs_ptr[6] = wl->mac_addr[2];
+	nvs_ptr[5] = wl->mac_addr[3];
+	nvs_ptr[4] = wl->mac_addr[4];
+	nvs_ptr[3] = wl->mac_addr[5];
+
 	/*
 	 * Layout before the actual NVS tables:
 	 * 1 byte : burst length.
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index d59b3830a6a5..d005729e0312 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -26,6 +26,7 @@
 #include <linux/crc7.h>
 #include <linux/spi/spi.h>
 #include <linux/etherdevice.h>
+#include <linux/ieee80211.h>
 
 #include "wl1271.h"
 #include "wl1271_reg.h"
@@ -280,15 +281,6 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type)
 	join->rx_filter_options = cpu_to_le32(wl->rx_filter);
 	join->bss_type = bss_type;
 
-	/*
-	 * FIXME: disable temporarily all filters because after commit
-	 * 9cef8737 "mac80211: fix managed mode BSSID handling" broke
-	 * association. The filter logic needs to be implemented properly
-	 * and once that is done, this hack can be removed.
-	 */
-	join->rx_config_options = cpu_to_le32(0);
-	join->rx_filter_options = cpu_to_le32(WL1271_DEFAULT_RX_FILTER);
-
 	if (wl->band == IEEE80211_BAND_2GHZ)
 		join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_1MBPS   |
 						   CONF_HW_BIT_RATE_2MBPS   |
@@ -546,9 +538,9 @@ out:
 	return ret;
 }
 
-int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
-		    u8 active_scan, u8 high_prio, u8 band,
-		    u8 probe_requests)
+int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
+		    const u8 *ie, size_t ie_len, u8 active_scan,
+		    u8 high_prio, u8 band, u8 probe_requests)
 {
 
 	struct wl1271_cmd_trigger_scan_to *trigger = NULL;
@@ -619,12 +611,13 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 
 	params->params.num_channels = j;
 
-	if (len && ssid) {
-		params->params.ssid_len = len;
-		memcpy(params->params.ssid, ssid, len);
+	if (ssid_len && ssid) {
+		params->params.ssid_len = ssid_len;
+		memcpy(params->params.ssid, ssid, ssid_len);
 	}
 
-	ret = wl1271_cmd_build_probe_req(wl, ssid, len, ieee_band);
+	ret = wl1271_cmd_build_probe_req(wl, ssid, ssid_len,
+					 ie, ie_len, ieee_band);
 	if (ret < 0) {
 		wl1271_error("PROBE request template failed");
 		goto out;
@@ -655,9 +648,9 @@ int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 			wl->scan.active = active_scan;
 			wl->scan.high_prio = high_prio;
 			wl->scan.probe_requests = probe_requests;
-			if (len && ssid) {
-				wl->scan.ssid_len = len;
-				memcpy(wl->scan.ssid, ssid, len);
+			if (ssid_len && ssid) {
+				wl->scan.ssid_len = ssid_len;
+				memcpy(wl->scan.ssid, ssid, ssid_len);
 			} else
 				wl->scan.ssid_len = 0;
 		}
@@ -714,155 +707,102 @@ out:
 	return ret;
 }
 
-static int wl1271_build_basic_rates(u8 *rates, u8 band)
+int wl1271_cmd_build_null_data(struct wl1271 *wl)
 {
-	u8 index = 0;
-
-	if (band == IEEE80211_BAND_2GHZ) {
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
-	} else if (band == IEEE80211_BAND_5GHZ) {
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
-	} else {
-		wl1271_error("build_basic_rates invalid band: %d", band);
-	}
+	struct sk_buff *skb = NULL;
+	int size;
+	void *ptr;
+	int ret = -ENOMEM;
 
-	return index;
-}
 
-static int wl1271_build_extended_rates(u8 *rates, u8 band)
-{
-	u8 index = 0;
-
-	if (band == IEEE80211_BAND_2GHZ) {
-		rates[index++] = IEEE80211_OFDM_RATE_6MB;
-		rates[index++] = IEEE80211_OFDM_RATE_9MB;
-		rates[index++] = IEEE80211_OFDM_RATE_12MB;
-		rates[index++] = IEEE80211_OFDM_RATE_18MB;
-		rates[index++] = IEEE80211_OFDM_RATE_24MB;
-		rates[index++] = IEEE80211_OFDM_RATE_36MB;
-		rates[index++] = IEEE80211_OFDM_RATE_48MB;
-		rates[index++] = IEEE80211_OFDM_RATE_54MB;
-	} else if (band == IEEE80211_BAND_5GHZ) {
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
-		rates[index++] =
-			IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
+	if (wl->bss_type == BSS_TYPE_IBSS) {
+		size = sizeof(struct wl12xx_null_data_template);
+		ptr = NULL;
 	} else {
-		wl1271_error("build_basic_rates invalid band: %d", band);
+		skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
+		if (!skb)
+			goto out;
+		size = skb->len;
+		ptr = skb->data;
 	}
 
-	return index;
-}
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size);
 
-int wl1271_cmd_build_null_data(struct wl1271 *wl)
-{
-	struct wl12xx_null_data_template template;
-
-	if (!is_zero_ether_addr(wl->bssid)) {
-		memcpy(template.header.da, wl->bssid, ETH_ALEN);
-		memcpy(template.header.bssid, wl->bssid, ETH_ALEN);
-	} else {
-		memset(template.header.da, 0xff, ETH_ALEN);
-		memset(template.header.bssid, 0xff, ETH_ALEN);
-	}
-
-	memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
-	template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
-						IEEE80211_STYPE_NULLFUNC |
-						IEEE80211_FCTL_TODS);
+out:
+	dev_kfree_skb(skb);
+	if (ret)
+		wl1271_warning("cmd buld null data failed %d", ret);
 
-	return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template,
-				       sizeof(template));
+	return ret;
 
 }
 
 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
 {
-	struct wl12xx_ps_poll_template template;
-
-	memcpy(template.bssid, wl->bssid, ETH_ALEN);
-	memcpy(template.ta, wl->mac_addr, ETH_ALEN);
-
-	/* aid in PS-Poll has its two MSBs each set to 1 */
-	template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid);
+	struct sk_buff *skb;
+	int ret = 0;
 
-	template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
+	skb = ieee80211_pspoll_get(wl->hw, wl->vif);
+	if (!skb)
+		goto out;
 
-	return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template,
-				       sizeof(template));
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
+				      skb->len);
 
+out:
+	dev_kfree_skb(skb);
+	return ret;
 }
 
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
-			       u8 band)
+int wl1271_cmd_build_probe_req(struct wl1271 *wl,
+			       const u8 *ssid, size_t ssid_len,
+			       const u8 *ie, size_t ie_len, u8 band)
 {
-	struct wl12xx_probe_req_template template;
-	struct wl12xx_ie_rates *rates;
-	char *ptr;
-	u16 size;
+	struct sk_buff *skb;
 	int ret;
 
-	ptr = (char *)&template;
-	size = sizeof(struct ieee80211_header);
-
-	memset(template.header.da, 0xff, ETH_ALEN);
-	memset(template.header.bssid, 0xff, ETH_ALEN);
-	memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
-	template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
-
-	/* IEs */
-	/* SSID */
-	template.ssid.header.id = WLAN_EID_SSID;
-	template.ssid.header.len = ssid_len;
-	if (ssid_len && ssid)
-		memcpy(template.ssid.ssid, ssid, ssid_len);
-	size += sizeof(struct wl12xx_ie_header) + ssid_len;
-	ptr += size;
-
-	/* Basic Rates */
-	rates = (struct wl12xx_ie_rates *)ptr;
-	rates->header.id = WLAN_EID_SUPP_RATES;
-	rates->header.len = wl1271_build_basic_rates(rates->rates, band);
-	size += sizeof(struct wl12xx_ie_header) + rates->header.len;
-	ptr += sizeof(struct wl12xx_ie_header) + rates->header.len;
-
-	/* Extended rates */
-	rates = (struct wl12xx_ie_rates *)ptr;
-	rates->header.id = WLAN_EID_EXT_SUPP_RATES;
-	rates->header.len = wl1271_build_extended_rates(rates->rates, band);
-	size += sizeof(struct wl12xx_ie_header) + rates->header.len;
-
-	wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size);
+	skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
+				     ie, ie_len);
+	if (!skb) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
 
 	if (band == IEEE80211_BAND_2GHZ)
 		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
-					      &template, size);
+					      skb->data, skb->len);
 	else
 		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
-					      &template, size);
+					      skb->data, skb->len);
+
+out:
+	dev_kfree_skb(skb);
 	return ret;
 }
 
+int wl1271_build_qos_null_data(struct wl1271 *wl)
+{
+	struct ieee80211_qos_hdr template;
+
+	memset(&template, 0, sizeof(template));
+
+	memcpy(template.addr1, wl->bssid, ETH_ALEN);
+	memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
+	memcpy(template.addr3, wl->bssid, ETH_ALEN);
+
+	template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+					     IEEE80211_STYPE_QOS_NULLFUNC |
+					     IEEE80211_FCTL_TODS);
+
+	/* FIXME: not sure what priority to use here */
+	template.qos_ctrl = cpu_to_le16(0);
+
+	return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
+				       sizeof(template));
+}
+
 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
 {
 	struct wl1271_cmd_set_keys *cmd;
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 4297205b8d6d..6324bbf36843 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -41,15 +41,17 @@ int wl1271_cmd_data_path(struct wl1271 *wl, bool enable);
 int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send);
 int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 			   size_t len);
-int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
-		    u8 active_scan, u8 high_prio, u8 band,
-		    u8 probe_requests);
+int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
+		    const u8 *ie, size_t ie_len, u8 active_scan,
+		    u8 high_prio, u8 band, u8 probe_requests);
 int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 			    void *buf, size_t buf_len);
 int wl1271_cmd_build_null_data(struct wl1271 *wl);
 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
-int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
-			       u8 band);
+int wl1271_cmd_build_probe_req(struct wl1271 *wl,
+			       const u8 *ssid, size_t ssid_len,
+			       const u8 *ie, size_t ie_len, u8 band);
+int wl1271_build_qos_null_data(struct wl1271 *wl);
 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
 int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 		       u8 key_size, const u8 *key, const u8 *addr,
diff --git a/drivers/net/wireless/wl12xx/wl1271_conf.h b/drivers/net/wireless/wl12xx/wl1271_conf.h
index 6f9e75cc5640..7fcfe06b1412 100644
--- a/drivers/net/wireless/wl12xx/wl1271_conf.h
+++ b/drivers/net/wireless/wl12xx/wl1271_conf.h
@@ -65,110 +65,318 @@ enum {
 	CONF_HW_RATE_INDEX_MAX     = CONF_HW_RATE_INDEX_54MBPS,
 };
 
-struct conf_sg_settings {
+enum {
+	CONF_SG_DISABLE = 0,
+	CONF_SG_PROTECTIVE,
+	CONF_SG_OPPORTUNISTIC
+};
+
+enum {
 	/*
-	 * Defines the PER threshold in PPM of the BT voice of which reaching
-	 * this value will trigger raising the priority of the BT voice by
-	 * the BT IP until next NFS sample interval time as defined in
-	 * nfs_sample_interval.
+	 * PER threshold in PPM of the BT voice
 	 *
-	 * Unit: PER value in PPM (parts per million)
-	 * #Error_packets / #Total_packets
+	 * Range: 0 - 10000000
+	 */
+	CONF_SG_BT_PER_THRESHOLD = 0,
 
-	 * Range: u32
+	/*
+	 * Number of consequent RX_ACTIVE activities to override BT voice
+	 * frames to ensure WLAN connection
+	 *
+	 * Range: 0 - 100
+	 */
+	CONF_SG_HV3_MAX_OVERRIDE,
+
+	/*
+	 * Defines the PER threshold of the BT voice
+	 *
+	 * Range: 0 - 65000
+	 */
+	CONF_SG_BT_NFS_SAMPLE_INTERVAL,
+
+	/*
+	 * Defines the load ratio of BT
+	 *
+	 * Range: 0 - 100 (%)
+	 */
+	CONF_SG_BT_LOAD_RATIO,
+
+	/*
+	 * Defines whether the SG will force WLAN host to enter/exit PSM
+	 *
+	 * Range: 1 - SG can force, 0 - host handles PSM
+	 */
+	CONF_SG_AUTO_PS_MODE,
+
+	/*
+	 * Compensation percentage of probe requests when scan initiated
+	 * during BT voice/ACL link.
+	 *
+	 * Range: 0 - 255 (%)
+	 */
+	CONF_SG_AUTO_SCAN_PROBE_REQ,
+
+	/*
+	 * Compensation percentage of probe requests when active scan initiated
+	 * during BT voice
+	 *
+	 * Range: 0 - 255 (%)
+	 */
+	CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3,
+
+	/*
+	 * Defines antenna configuration (single/dual antenna)
+	 *
+	 * Range: 0 - single antenna, 1 - dual antenna
+	 */
+	CONF_SG_ANTENNA_CONFIGURATION,
+
+	/*
+	 * The threshold (percent) of max consequtive beacon misses before
+	 * increasing priority of beacon reception.
+	 *
+	 * Range: 0 - 100 (%)
+	 */
+	CONF_SG_BEACON_MISS_PERCENT,
+
+	/*
+	 * The rate threshold below which receiving a data frame from the AP
+	 * will increase the priority of the data frame above BT traffic.
+	 *
+	 * Range: 0,2, 5(=5.5), 6, 9, 11, 12, 18, 24, 36, 48, 54
+	 */
+	CONF_SG_RATE_ADAPT_THRESH,
+
+	/*
+	 * Not used currently.
+	 *
+	 * Range: 0
+	 */
+	CONF_SG_RATE_ADAPT_SNR,
+
+	/*
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN PSM / BT master basic rate
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR,
+	CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR,
+
+	/*
+	 * The time after it expires no new WLAN trigger frame is trasmitted
+	 * in WLAN PSM / BT master basic rate
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR,
+
+	/*
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN PSM / BT slave basic rate
+	 *
+	 * Range: 0 - 255 (ms)
 	 */
-	u32 per_threshold;
+	CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR,
+	CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR,
 
 	/*
-	 * This value is an absolute time in micro-seconds to limit the
-	 * maximum scan duration compensation while in SG
+	 * The time after it expires no new WLAN trigger frame is trasmitted
+	 * in WLAN PSM / BT slave basic rate
+	 *
+	 * Range: 0 - 255 (ms)
 	 */
-	u32 max_scan_compensation_time;
+	CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR,
 
-	/* Defines the PER threshold of the BT voice of which reaching this
-	 * value will trigger raising the priority of the BT voice until next
-	 * NFS sample interval time as defined in sample_interval.
+	/*
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN PSM / BT master EDR
 	 *
-	 * Unit: msec
-	 * Range: 1-65000
+	 * Range: 0 - 255 (ms)
 	 */
-	u16 nfs_sample_interval;
+	CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR,
+	CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR,
 
 	/*
-	 * Defines the load ratio for the BT.
-	 * The WLAN ratio is: 100 - load_ratio
+	 * The time after it expires no new WLAN trigger frame is trasmitted
+	 * in WLAN PSM / BT master EDR
 	 *
-	 * Unit: Percent
-	 * Range: 0-100
+	 * Range: 0 - 255 (ms)
 	 */
-	u8 load_ratio;
+	CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR,
 
 	/*
-	 * true - Co-ex is allowed to enter/exit P.S automatically and
-	 *        transparently to the host
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN PSM / BT slave EDR
 	 *
-	 * false - Co-ex is disallowed to enter/exit P.S and will trigger an
-	 *         event to the host to notify for the need to enter/exit P.S
-	 *         due to BT change state
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR,
+	CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR,
+
+	/*
+	 * The time after it expires no new WLAN trigger frame is trasmitted
+	 * in WLAN PSM / BT slave EDR
 	 *
+	 * Range: 0 - 255 (ms)
 	 */
-	u8 auto_ps_mode;
+	CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR,
 
 	/*
-	 * This parameter defines the compensation percentage of num of probe
-	 * requests in case scan is initiated during BT voice/BT ACL
-	 * guaranteed link.
+	 * RX guard time before the beginning of a new BT voice frame during
+	 * which no new WLAN trigger frame is transmitted.
 	 *
-	 * Unit: Percent
-	 * Range: 0-255 (0 - No compensation)
+	 * Range: 0 - 100000 (us)
 	 */
-	u8 probe_req_compensation;
+	CONF_SG_RXT,
 
 	/*
-	 * This parameter defines the compensation percentage of scan window
-	 * size in case scan is initiated during BT voice/BT ACL Guaranteed
-	 * link.
+	 * TX guard time before the beginning of a new BT voice frame during
+	 * which no new WLAN frame is transmitted.
 	 *
-	 * Unit: Percent
-	 * Range: 0-255 (0 - No compensation)
+	 * Range: 0 - 100000 (us)
 	 */
-	u8 scan_window_compensation;
+
+	CONF_SG_TXT,
 
 	/*
-	 * Defines the antenna configuration.
+	 * Enable adaptive RXT/TXT algorithm. If disabled, the host values
+	 * will be utilized.
 	 *
-	 * Range: 0 - Single Antenna; 1 - Dual Antenna
+	 * Range: 0 - disable, 1 - enable
 	 */
-	u8 antenna_config;
+	CONF_SG_ADAPTIVE_RXT_TXT,
 
 	/*
-	 * The percent out of the Max consecutive beacon miss roaming trigger
-	 * which is the threshold for raising the priority of beacon
-	 * reception.
+	 * The used WLAN legacy service period during active BT ACL link
 	 *
-	 * Range: 1-100
-	 * N = MaxConsecutiveBeaconMiss
-	 * P = coexMaxConsecutiveBeaconMissPrecent
-	 * Threshold = MIN( N-1, round(N * P / 100))
+	 * Range: 0 - 255 (ms)
 	 */
-	u8 beacon_miss_threshold;
+	CONF_SG_PS_POLL_TIMEOUT,
 
 	/*
-	 * The RX rate threshold below which rate adaptation is assumed to be
-	 * occurring at the AP which will raise priority for ACTIVE_RX and RX
-	 * SP.
+	 * The used WLAN UPSD service period during active BT ACL link
 	 *
-	 * Range: HW_BIT_RATE_*
+	 * Range: 0 - 255 (ms)
 	 */
-	u32 rate_adaptation_threshold;
+	CONF_SG_UPSD_TIMEOUT,
 
 	/*
-	 * The SNR above which the RX rate threshold indicating AP rate
-	 * adaptation is valid
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN Active / BT master EDR
 	 *
-	 * Range: -128 - 127
+	 * Range: 0 - 255 (ms)
 	 */
-	s8 rate_adaptation_snr;
+	CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR,
+	CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR,
+
+	/*
+	 * The maximum time WLAN can gain the antenna for
+	 * in WLAN Active / BT master EDR
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR,
+
+	/*
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN Active / BT slave EDR
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR,
+	CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR,
+
+	/*
+	 * The maximum time WLAN can gain the antenna for
+	 * in WLAN Active / BT slave EDR
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR,
+
+	/*
+	 * Configure the min and max time BT gains the antenna
+	 * in WLAN Active / BT basic rate
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR,
+	CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR,
+
+	/*
+	 * The maximum time WLAN can gain the antenna for
+	 * in WLAN Active / BT basic rate
+	 *
+	 * Range: 0 - 255 (ms)
+	 */
+	CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR,
+
+	/*
+	 * Compensation percentage of WLAN passive scan window if initiated
+	 * during BT voice
+	 *
+	 * Range: 0 - 1000 (%)
+	 */
+	CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3,
+
+	/*
+	 * Compensation percentage of WLAN passive scan window if initiated
+	 * during BT A2DP
+	 *
+	 * Range: 0 - 1000 (%)
+	 */
+	CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP,
+
+	/*
+	 * Fixed time ensured for BT traffic to gain the antenna during WLAN
+	 * passive scan.
+	 *
+	 * Range: 0 - 1000 ms
+	 */
+	CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME,
+
+	/*
+	 * Fixed time ensured for WLAN traffic to gain the antenna during WLAN
+	 * passive scan.
+	 *
+	 * Range: 0 - 1000 ms
+	 */
+	CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME,
+
+	/*
+	 * Number of consequent BT voice frames not interrupted by WLAN
+	 *
+	 * Range: 0 - 100
+	 */
+	CONF_SG_HV3_MAX_SERVED,
+
+	/*
+	 * Protection time of the DHCP procedure.
+	 *
+	 * Range: 0 - 100000 (ms)
+	 */
+	CONF_SG_DHCP_TIME,
+
+	/*
+	 * Compensation percentage of WLAN active scan window if initiated
+	 * during BT A2DP
+	 *
+	 * Range: 0 - 1000 (%)
+	 */
+	CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP,
+	CONF_SG_TEMP_PARAM_1,
+	CONF_SG_TEMP_PARAM_2,
+	CONF_SG_TEMP_PARAM_3,
+	CONF_SG_TEMP_PARAM_4,
+	CONF_SG_TEMP_PARAM_5,
+	CONF_SG_PARAMS_MAX,
+	CONF_SG_PARAMS_ALL = 0xff
+};
+
+struct conf_sg_settings {
+	__le32 params[CONF_SG_PARAMS_MAX];
+	u8 state;
 };
 
 enum conf_rx_queue_type {
diff --git a/drivers/net/wireless/wl12xx/wl1271_debugfs.c b/drivers/net/wireless/wl12xx/wl1271_debugfs.c
index 8d7588ca68fd..3c0f5b1ac272 100644
--- a/drivers/net/wireless/wl12xx/wl1271_debugfs.c
+++ b/drivers/net/wireless/wl12xx/wl1271_debugfs.c
@@ -28,6 +28,7 @@
 #include "wl1271.h"
 #include "wl1271_acx.h"
 #include "wl1271_ps.h"
+#include "wl1271_io.h"
 
 /* ms */
 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
@@ -276,13 +277,10 @@ static ssize_t gpio_power_write(struct file *file,
 		goto out;
 	}
 
-	if (value) {
-		wl->set_power(true);
-		set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-	} else {
-		wl->set_power(false);
-		clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-	}
+	if (value)
+		wl1271_power_on(wl);
+	else
+		wl1271_power_off(wl);
 
 out:
 	mutex_unlock(&wl->mutex);
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c
index 5533519a1418..4d35af96c597 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.c
+++ b/drivers/net/wireless/wl12xx/wl1271_event.c
@@ -44,7 +44,9 @@ static int wl1271_event_scan_complete(struct wl1271 *wl,
 			 * scanning as it checks that.
 			 */
 			clear_bit(WL1271_FLAG_SCANNING, &wl->flags);
+			/* FIXME: ie missing! */
 			wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len,
+						NULL, 0,
 						wl->scan.active,
 						wl->scan.high_prio,
 						WL1271_SCAN_BAND_5_GHZ,
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 86c30a86a456..d9335fc2a575 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -160,11 +160,11 @@ int wl1271_init_pta(struct wl1271 *wl)
 {
 	int ret;
 
-	ret = wl1271_acx_sg_enable(wl);
+	ret = wl1271_acx_sg_cfg(wl);
 	if (ret < 0)
 		return ret;
 
-	ret = wl1271_acx_sg_cfg(wl);
+	ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_io.h b/drivers/net/wireless/wl12xx/wl1271_io.h
index 95d2168f8af4..d8837ef0bb40 100644
--- a/drivers/net/wireless/wl12xx/wl1271_io.h
+++ b/drivers/net/wireless/wl12xx/wl1271_io.h
@@ -138,6 +138,18 @@ static inline void wl1271_write32(struct wl1271 *wl, int addr, u32 val)
 	wl1271_raw_write32(wl, wl1271_translate_addr(wl, addr), val);
 }
 
+static inline void wl1271_power_off(struct wl1271 *wl)
+{
+	wl->if_ops->power(wl, false);
+	clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
+}
+
+static inline void wl1271_power_on(struct wl1271 *wl)
+{
+	wl->if_ops->power(wl, true);
+	set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
+}
+
 
 /* Top Register IO */
 void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val);
@@ -149,6 +161,7 @@ int wl1271_set_partition(struct wl1271 *wl,
 /* Functions from wl1271_main.c */
 
 int wl1271_register_hw(struct wl1271 *wl);
+void wl1271_unregister_hw(struct wl1271 *wl);
 int wl1271_init_ieee80211(struct wl1271 *wl);
 struct ieee80211_hw *wl1271_alloc_hw(void);
 int wl1271_free_hw(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 0a4ff7b02f59..3daba6c0c77f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -29,6 +29,7 @@
 #include <linux/etherdevice.h>
 #include <linux/vmalloc.h>
 #include <linux/inetdevice.h>
+#include <linux/platform_device.h>
 
 #include "wl1271.h"
 #include "wl12xx_80211.h"
@@ -48,17 +49,57 @@
 
 static struct conf_drv_settings default_conf = {
 	.sg = {
-		.per_threshold               = 7500,
-		.max_scan_compensation_time  = 120000,
-		.nfs_sample_interval         = 400,
-		.load_ratio                  = 50,
-		.auto_ps_mode                = 0,
-		.probe_req_compensation      = 170,
-		.scan_window_compensation    = 50,
-		.antenna_config              = 0,
-		.beacon_miss_threshold       = 60,
-		.rate_adaptation_threshold   = CONF_HW_BIT_RATE_12MBPS,
-		.rate_adaptation_snr         = 0
+		.params = {
+			[CONF_SG_BT_PER_THRESHOLD]                  = 7500,
+			[CONF_SG_HV3_MAX_OVERRIDE]                  = 0,
+			[CONF_SG_BT_NFS_SAMPLE_INTERVAL]            = 400,
+			[CONF_SG_BT_LOAD_RATIO]                     = 50,
+			[CONF_SG_AUTO_PS_MODE]                      = 0,
+			[CONF_SG_AUTO_SCAN_PROBE_REQ]               = 170,
+			[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3]   = 50,
+			[CONF_SG_ANTENNA_CONFIGURATION]             = 0,
+			[CONF_SG_BEACON_MISS_PERCENT]               = 60,
+			[CONF_SG_RATE_ADAPT_THRESH]                 = 12,
+			[CONF_SG_RATE_ADAPT_SNR]                    = 0,
+			[CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR]      = 10,
+			[CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR]      = 30,
+			[CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR]      = 8,
+			[CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR]       = 20,
+			[CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR]       = 50,
+			/* Note: with UPSD, this should be 4 */
+			[CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR]       = 8,
+			[CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR]     = 7,
+			[CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR]     = 25,
+			[CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR]     = 20,
+			/* Note: with UPDS, this should be 15 */
+			[CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR]      = 8,
+			/* Note: with UPDS, this should be 50 */
+			[CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR]      = 40,
+			/* Note: with UPDS, this should be 10 */
+			[CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR]      = 20,
+			[CONF_SG_RXT]                               = 1200,
+			[CONF_SG_TXT]                               = 1000,
+			[CONF_SG_ADAPTIVE_RXT_TXT]                  = 1,
+			[CONF_SG_PS_POLL_TIMEOUT]                   = 10,
+			[CONF_SG_UPSD_TIMEOUT]                      = 10,
+			[CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7,
+			[CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15,
+			[CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15,
+			[CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR]  = 8,
+			[CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR]  = 20,
+			[CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR]  = 15,
+			[CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR]         = 20,
+			[CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR]         = 50,
+			[CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR]         = 10,
+			[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3]  = 200,
+			[CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800,
+			[CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME]         = 75,
+			[CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME]       = 15,
+			[CONF_SG_HV3_MAX_SERVED]                    = 6,
+			[CONF_SG_DHCP_TIME]                         = 5000,
+			[CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP]  = 100,
+		},
+		.state = CONF_SG_PROTECTIVE,
 	},
 	.rx = {
 		.rx_msdu_life_time           = 512000,
@@ -240,6 +281,21 @@ static struct conf_drv_settings default_conf = {
 	}
 };
 
+static void wl1271_device_release(struct device *dev)
+{
+
+}
+
+static struct platform_device wl1271_device = {
+	.name           = "wl1271",
+	.id             = -1,
+
+	/* device model insists to have a release function */
+	.dev            = {
+		.release = wl1271_device_release,
+	},
+};
+
 static LIST_HEAD(wl_list);
 
 static void wl1271_conf_init(struct wl1271 *wl)
@@ -359,18 +415,6 @@ static int wl1271_plt_init(struct wl1271 *wl)
 	return ret;
 }
 
-static void wl1271_power_off(struct wl1271 *wl)
-{
-	wl->set_power(false);
-	clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-}
-
-static void wl1271_power_on(struct wl1271 *wl)
-{
-	wl->set_power(true);
-	set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
-}
-
 static void wl1271_fw_status(struct wl1271 *wl,
 			     struct wl1271_fw_status *status)
 {
@@ -526,40 +570,6 @@ out:
 	return ret;
 }
 
-static int wl1271_update_mac_addr(struct wl1271 *wl)
-{
-	int ret = 0;
-	u8 *nvs_ptr = (u8 *)wl->nvs->nvs;
-
-	/* get mac address from the NVS */
-	wl->mac_addr[0] = nvs_ptr[11];
-	wl->mac_addr[1] = nvs_ptr[10];
-	wl->mac_addr[2] = nvs_ptr[6];
-	wl->mac_addr[3] = nvs_ptr[5];
-	wl->mac_addr[4] = nvs_ptr[4];
-	wl->mac_addr[5] = nvs_ptr[3];
-
-	/* FIXME: if it is a zero-address, we should bail out. Now, instead,
-	   we randomize an address */
-	if (is_zero_ether_addr(wl->mac_addr)) {
-		static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};
-		memcpy(wl->mac_addr, nokia_oui, 3);
-		get_random_bytes(wl->mac_addr + 3, 3);
-
-		/* update this address to the NVS */
-		nvs_ptr[11] = wl->mac_addr[0];
-		nvs_ptr[10] = wl->mac_addr[1];
-		nvs_ptr[6] = wl->mac_addr[2];
-		nvs_ptr[5] = wl->mac_addr[3];
-		nvs_ptr[4] = wl->mac_addr[4];
-		nvs_ptr[3] = wl->mac_addr[5];
-	}
-
-	SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
-
-	return ret;
-}
-
 static int wl1271_fetch_nvs(struct wl1271 *wl)
 {
 	const struct firmware *fw;
@@ -589,8 +599,6 @@ static int wl1271_fetch_nvs(struct wl1271 *wl)
 
 	memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file));
 
-	ret = wl1271_update_mac_addr(wl);
-
 out:
 	release_firmware(fw);
 
@@ -908,13 +916,58 @@ static struct notifier_block wl1271_dev_notifier = {
 
 static int wl1271_op_start(struct ieee80211_hw *hw)
 {
+	wl1271_debug(DEBUG_MAC80211, "mac80211 start");
+
+	/*
+	 * We have to delay the booting of the hardware because
+	 * we need to know the local MAC address before downloading and
+	 * initializing the firmware. The MAC address cannot be changed
+	 * after boot, and without the proper MAC address, the firmware
+	 * will not function properly.
+	 *
+	 * The MAC address is first known when the corresponding interface
+	 * is added. That is where we will initialize the hardware.
+	 */
+
+	return 0;
+}
+
+static void wl1271_op_stop(struct ieee80211_hw *hw)
+{
+	wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
+}
+
+static int wl1271_op_add_interface(struct ieee80211_hw *hw,
+				   struct ieee80211_vif *vif)
+{
 	struct wl1271 *wl = hw->priv;
 	int retries = WL1271_BOOT_RETRIES;
 	int ret = 0;
 
-	wl1271_debug(DEBUG_MAC80211, "mac80211 start");
+	wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
+		     vif->type, vif->addr);
 
 	mutex_lock(&wl->mutex);
+	if (wl->vif) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	wl->vif = vif;
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+		wl->bss_type = BSS_TYPE_STA_BSS;
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		wl->bss_type = BSS_TYPE_IBSS;
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+
+	memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
 
 	if (wl->state != WL1271_STATE_OFF) {
 		wl1271_error("cannot start because not in off state: %d",
@@ -970,19 +1023,20 @@ out:
 	return ret;
 }
 
-static void wl1271_op_stop(struct ieee80211_hw *hw)
+static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
+				       struct ieee80211_vif *vif)
 {
 	struct wl1271 *wl = hw->priv;
 	int i;
 
-	wl1271_info("down");
-
-	wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
-
 	unregister_inetaddr_notifier(&wl1271_dev_notifier);
-	list_del(&wl->list);
 
 	mutex_lock(&wl->mutex);
+	wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
+
+	wl1271_info("down");
+
+	list_del(&wl->list);
 
 	WARN_ON(wl->state != WL1271_STATE_ON);
 
@@ -1026,6 +1080,8 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->rate_set = CONF_TX_RATE_MASK_BASIC;
 	wl->sta_rate_set = 0;
 	wl->flags = 0;
+	wl->vif = NULL;
+	wl->filters = 0;
 
 	for (i = 0; i < NUM_TX_QUEUES; i++)
 		wl->tx_blocks_freed[i] = 0;
@@ -1034,119 +1090,39 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	mutex_unlock(&wl->mutex);
 }
 
-static int wl1271_op_add_interface(struct ieee80211_hw *hw,
-				   struct ieee80211_vif *vif)
+static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
 {
-	struct wl1271 *wl = hw->priv;
-	int ret = 0;
+	wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
+	wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
 
-	wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
-		     vif->type, vif->addr);
+	/* combine requested filters with current filter config */
+	filters = wl->filters | filters;
 
-	mutex_lock(&wl->mutex);
-	if (wl->vif) {
-		ret = -EBUSY;
-		goto out;
-	}
+	wl1271_debug(DEBUG_FILTERS, "RX filters set: ");
 
-	wl->vif = vif;
-
-	switch (vif->type) {
-	case NL80211_IFTYPE_STATION:
-		wl->bss_type = BSS_TYPE_STA_BSS;
-		break;
-	case NL80211_IFTYPE_ADHOC:
-		wl->bss_type = BSS_TYPE_IBSS;
-		break;
-	default:
-		ret = -EOPNOTSUPP;
-		goto out;
+	if (filters & FIF_PROMISC_IN_BSS) {
+		wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS");
+		wl->rx_config &= ~CFG_UNI_FILTER_EN;
+		wl->rx_config |= CFG_BSSID_FILTER_EN;
 	}
-
-	/* FIXME: what if conf->mac_addr changes? */
-
-out:
-	mutex_unlock(&wl->mutex);
-	return ret;
-}
-
-static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
-					 struct ieee80211_vif *vif)
-{
-	struct wl1271 *wl = hw->priv;
-
-	mutex_lock(&wl->mutex);
-	wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
-	wl->vif = NULL;
-	mutex_unlock(&wl->mutex);
-}
-
-#if 0
-static int wl1271_op_config_interface(struct ieee80211_hw *hw,
-				      struct ieee80211_vif *vif,
-				      struct ieee80211_if_conf *conf)
-{
-	struct wl1271 *wl = hw->priv;
-	struct sk_buff *beacon;
-	int ret;
-
-	wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM",
-		     conf->bssid);
-	wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid,
-			  conf->ssid_len);
-
-	mutex_lock(&wl->mutex);
-
-	ret = wl1271_ps_elp_wakeup(wl, false);
-	if (ret < 0)
-		goto out;
-
-	if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) {
-		wl1271_debug(DEBUG_MAC80211, "bssid changed");
-
-		memcpy(wl->bssid, conf->bssid, ETH_ALEN);
-
-		ret = wl1271_cmd_join(wl, wl->bss_type);
-		if (ret < 0)
-			goto out_sleep;
-
-		ret = wl1271_cmd_build_null_data(wl);
-		if (ret < 0)
-			goto out_sleep;
+	if (filters & FIF_BCN_PRBRESP_PROMISC) {
+		wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC");
+		wl->rx_config &= ~CFG_BSSID_FILTER_EN;
+		wl->rx_config &= ~CFG_SSID_FILTER_EN;
 	}
-
-	wl->ssid_len = conf->ssid_len;
-	if (wl->ssid_len)
-		memcpy(wl->ssid, conf->ssid, wl->ssid_len);
-
-	if (conf->changed & IEEE80211_IFCC_BEACON) {
-		beacon = ieee80211_beacon_get(hw, vif);
-		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
-					      beacon->data, beacon->len);
-
-		if (ret < 0) {
-			dev_kfree_skb(beacon);
-			goto out_sleep;
-		}
-
-		ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE,
-					      beacon->data, beacon->len);
-
-		dev_kfree_skb(beacon);
-
-		if (ret < 0)
-			goto out_sleep;
+	if (filters & FIF_OTHER_BSS) {
+		wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS");
+		wl->rx_config &= ~CFG_BSSID_FILTER_EN;
+	}
+	if (filters & FIF_CONTROL) {
+		wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL");
+		wl->rx_filter |= CFG_RX_CTL_EN;
+	}
+	if (filters & FIF_FCSFAIL) {
+		wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL");
+		wl->rx_filter |= CFG_RX_FCS_ERROR;
 	}
-
-out_sleep:
-	wl1271_ps_elp_sleep(wl);
-
-out:
-	mutex_unlock(&wl->mutex);
-
-	return ret;
 }
-#endif
 
 static int wl1271_join_channel(struct wl1271 *wl, int channel)
 {
@@ -1155,12 +1131,12 @@ static int wl1271_join_channel(struct wl1271 *wl, int channel)
 	static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
 						  0xad, 0xbe, 0xef };
 
-	/* disable mac filter, so we hear everything */
-	wl->rx_config &= ~CFG_BSSID_FILTER_EN;
-
 	wl->channel = channel;
 	memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
 
+	/* pass through frames from all BSS */
+	wl1271_configure_filters(wl, FIF_OTHER_BSS);
+
 	/* the dummy join is performed always with STATION BSS type to allow
 	   also ad-hoc mode to listen to the surroundings without sending any
 	   beacons yet. */
@@ -1186,7 +1162,9 @@ static int wl1271_unjoin_channel(struct wl1271 *wl)
 	clear_bit(WL1271_FLAG_JOINED, &wl->flags);
 	wl->channel = 0;
 	memset(wl->bssid, 0, ETH_ALEN);
-	wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
+
+	/* stop filterting packets based on bssid */
+	wl1271_configure_filters(wl, FIF_OTHER_BSS);
 
 out:
 	return ret;
@@ -1359,14 +1337,14 @@ static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
 	if (ret < 0)
 		goto out_sleep;
 
-	kfree(fp);
-
-	/* FIXME: We still need to set our filters properly */
-
 	/* determine, whether supported filter values have changed */
 	if (changed == 0)
 		goto out_sleep;
 
+	/* configure filters */
+	wl->filters = *total;
+	wl1271_configure_filters(wl, 0);
+
 	/* apply configured filters */
 	ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
 	if (ret < 0)
@@ -1377,6 +1355,7 @@ out_sleep:
 
 out:
 	mutex_unlock(&wl->mutex);
+	kfree(fp);
 }
 
 static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@@ -1522,10 +1501,12 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
 		goto out;
 
 	if (wl1271_11a_enabled())
-		ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
+		ret = wl1271_cmd_scan(hw->priv, ssid, len,
+				      req->ie, req->ie_len, 1, 0,
 				      WL1271_SCAN_BAND_DUAL, 3);
 	else
-		ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0,
+		ret = wl1271_cmd_scan(hw->priv, ssid, len,
+				      req->ie, req->ie_len, 1, 0,
 				      WL1271_SCAN_BAND_2_4_GHZ, 3);
 
 	wl1271_ps_elp_sleep(wl);
@@ -1638,14 +1619,14 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
 	     * and enable the BSSID filter
 	     */
 	    memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
-			wl->rx_config |= CFG_BSSID_FILTER_EN;
 			memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
+
 			ret = wl1271_cmd_build_null_data(wl);
-			if (ret < 0) {
-				wl1271_warning("cmd buld null data failed %d",
-					       ret);
+			if (ret < 0)
 				goto out_sleep;
-			}
+
+			/* filter out all packets not from this BSSID */
+			wl1271_configure_filters(wl, 0);
 
 			/* Need to update the BSSID (for filtering etc) */
 			do_join = true;
@@ -1735,6 +1716,7 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
 			     const struct ieee80211_tx_queue_params *params)
 {
 	struct wl1271 *wl = hw->priv;
+	u8 ps_scheme;
 	int ret;
 
 	mutex_lock(&wl->mutex);
@@ -1745,17 +1727,22 @@ static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
 	if (ret < 0)
 		goto out;
 
+	/* the txop is confed in units of 32us by the mac80211, we need us */
 	ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
 				params->cw_min, params->cw_max,
-				params->aifs, params->txop);
+				params->aifs, params->txop << 5);
 	if (ret < 0)
 		goto out_sleep;
 
+	if (params->uapsd)
+		ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
+	else
+		ps_scheme = CONF_PS_SCHEME_LEGACY;
+
 	ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
 				 CONF_CHANNEL_TYPE_EDCF,
 				 wl1271_tx_get_queue(queue),
-				 CONF_PS_SCHEME_LEGACY_PSPOLL,
-				 CONF_ACK_POLICY_LEGACY, 0, 0);
+				 ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
 	if (ret < 0)
 		goto out_sleep;
 
@@ -1925,7 +1912,6 @@ static const struct ieee80211_ops wl1271_ops = {
 	.add_interface = wl1271_op_add_interface,
 	.remove_interface = wl1271_op_remove_interface,
 	.config = wl1271_op_config,
-/* 	.config_interface = wl1271_op_config_interface, */
 	.prepare_multicast = wl1271_op_prepare_multicast,
 	.configure_filter = wl1271_op_configure_filter,
 	.tx = wl1271_op_tx,
@@ -1937,6 +1923,68 @@ static const struct ieee80211_ops wl1271_ops = {
 	CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
 };
 
+static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
+					       struct device_attribute *attr,
+					       char *buf)
+{
+	struct wl1271 *wl = dev_get_drvdata(dev);
+	ssize_t len;
+
+	/* FIXME: what's the maximum length of buf? page size?*/
+	len = 500;
+
+	mutex_lock(&wl->mutex);
+	len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n",
+		       wl->sg_enabled);
+	mutex_unlock(&wl->mutex);
+
+	return len;
+
+}
+
+static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
+						struct device_attribute *attr,
+						const char *buf, size_t count)
+{
+	struct wl1271 *wl = dev_get_drvdata(dev);
+	unsigned long res;
+	int ret;
+
+	ret = strict_strtoul(buf, 10, &res);
+
+	if (ret < 0) {
+		wl1271_warning("incorrect value written to bt_coex_mode");
+		return count;
+	}
+
+	mutex_lock(&wl->mutex);
+
+	res = !!res;
+
+	if (res == wl->sg_enabled)
+		goto out;
+
+	wl->sg_enabled = res;
+
+	if (wl->state == WL1271_STATE_OFF)
+		goto out;
+
+	ret = wl1271_ps_elp_wakeup(wl, false);
+	if (ret < 0)
+		goto out;
+
+	wl1271_acx_sg_enable(wl, wl->sg_enabled);
+	wl1271_ps_elp_sleep(wl);
+
+ out:
+	mutex_unlock(&wl->mutex);
+	return count;
+}
+
+static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR,
+		   wl1271_sysfs_show_bt_coex_state,
+		   wl1271_sysfs_store_bt_coex_state);
+
 int wl1271_register_hw(struct wl1271 *wl)
 {
 	int ret;
@@ -1960,6 +2008,14 @@ int wl1271_register_hw(struct wl1271 *wl)
 }
 EXPORT_SYMBOL_GPL(wl1271_register_hw);
 
+void wl1271_unregister_hw(struct wl1271 *wl)
+{
+	ieee80211_unregister_hw(wl->hw);
+	wl->mac80211_registered = false;
+
+}
+EXPORT_SYMBOL_GPL(wl1271_unregister_hw);
+
 int wl1271_init_ieee80211(struct wl1271 *wl)
 {
 	/* The tx descriptor buffer and the TKIP space. */
@@ -1974,6 +2030,7 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
 		IEEE80211_HW_NOISE_DBM |
 		IEEE80211_HW_BEACON_FILTER |
 		IEEE80211_HW_SUPPORTS_PS |
+		IEEE80211_HW_SUPPORTS_UAPSD |
 		IEEE80211_HW_HAS_RATE_CONTROL;
 
 	wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
@@ -1984,6 +2041,8 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
 	if (wl1271_11a_enabled())
 		wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
 
+	wl->hw->queues = 4;
+
 	SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
 
 	return 0;
@@ -1995,21 +2054,34 @@ EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
 struct ieee80211_hw *wl1271_alloc_hw(void)
 {
 	struct ieee80211_hw *hw;
+	struct platform_device *plat_dev = NULL;
 	struct wl1271 *wl;
-	int i;
+	int i, ret;
+	static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};
 
 	hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
 	if (!hw) {
 		wl1271_error("could not alloc ieee80211_hw");
-		return ERR_PTR(-ENOMEM);
+		ret = -ENOMEM;
+		goto err_hw_alloc;
 	}
 
+	plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL);
+	if (!plat_dev) {
+		wl1271_error("could not allocate platform_device");
+		ret = -ENOMEM;
+		goto err_plat_alloc;
+	}
+
+	memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device));
+
 	wl = hw->priv;
 	memset(wl, 0, sizeof(*wl));
 
 	INIT_LIST_HEAD(&wl->list);
 
 	wl->hw = hw;
+	wl->plat_dev = plat_dev;
 
 	skb_queue_head_init(&wl->tx_queue);
 
@@ -2027,6 +2099,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	wl->band = IEEE80211_BAND_2GHZ;
 	wl->vif = NULL;
 	wl->flags = 0;
+	wl->sg_enabled = true;
 
 	for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
 		wl->tx_frames[i] = NULL;
@@ -2036,18 +2109,55 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	wl->state = WL1271_STATE_OFF;
 	mutex_init(&wl->mutex);
 
+	/*
+	 * FIXME: we should use a zero MAC address here, but for now we
+	 * generate a random Nokia address.
+	 */
+	memcpy(wl->mac_addr, nokia_oui, 3);
+	get_random_bytes(wl->mac_addr + 3, 3);
+
 	/* Apply default driver configuration. */
 	wl1271_conf_init(wl);
 
 	wl1271_debugfs_init(wl);
 
+	/* Register platform device */
+	ret = platform_device_register(wl->plat_dev);
+	if (ret) {
+		wl1271_error("couldn't register platform device");
+		goto err_hw;
+	}
+	dev_set_drvdata(&wl->plat_dev->dev, wl);
+
+	/* Create sysfs file to control bt coex state */
+	ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
+	if (ret < 0) {
+		wl1271_error("failed to create sysfs file bt_coex_state");
+		goto err_platform;
+	}
+
 	return hw;
+
+err_platform:
+	platform_device_unregister(wl->plat_dev);
+
+err_hw:
+	wl1271_debugfs_exit(wl);
+	kfree(plat_dev);
+
+err_plat_alloc:
+	ieee80211_free_hw(hw);
+
+err_hw_alloc:
+
+	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
 
 int wl1271_free_hw(struct wl1271 *wl)
 {
-	ieee80211_unregister_hw(wl->hw);
+	platform_device_unregister(wl->plat_dev);
+	kfree(wl->plat_dev);
 
 	wl1271_debugfs_exit(wl);
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c
index 1f204db30c27..3c03de74dbfc 100644
--- a/drivers/net/wireless/wl12xx/wl1271_sdio.c
+++ b/drivers/net/wireless/wl12xx/wl1271_sdio.c
@@ -102,15 +102,14 @@ static void wl1271_sdio_init(struct wl1271 *wl)
 }
 
 static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
-			 size_t len, bool fixed)
+				 size_t len, bool fixed)
 {
 	int ret;
 	struct sdio_func *func = wl_to_func(wl);
 
-	sdio_claim_host(func);
 	if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
 		((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret);
-		wl1271_debug(DEBUG_SPI, "sdio read 52 addr 0x%x, byte 0x%02x",
+		wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x",
 			     addr, ((u8 *)buf)[0]);
 	} else {
 		if (fixed)
@@ -118,32 +117,30 @@ static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
 		else
 			ret = sdio_memcpy_fromio(func, buf, addr, len);
 
-		wl1271_debug(DEBUG_SPI, "sdio read 53 addr 0x%x, %d bytes",
+		wl1271_debug(DEBUG_SDIO, "sdio read 53 addr 0x%x, %d bytes",
 			     addr, len);
-		wl1271_dump_ascii(DEBUG_SPI, "data: ", buf, len);
+		wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
 	}
 
 	if (ret)
 		wl1271_error("sdio read failed (%d)", ret);
 
-	sdio_release_host(func);
 }
 
 static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
-			  size_t len, bool fixed)
+				  size_t len, bool fixed)
 {
 	int ret;
 	struct sdio_func *func = wl_to_func(wl);
 
-	sdio_claim_host(func);
 	if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
 		sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret);
-		wl1271_debug(DEBUG_SPI, "sdio write 52 addr 0x%x, byte 0x%02x",
+		wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x",
 			     addr, ((u8 *)buf)[0]);
 	} else {
-		wl1271_debug(DEBUG_SPI, "sdio write 53 addr 0x%x, %d bytes",
+		wl1271_debug(DEBUG_SDIO, "sdio write 53 addr 0x%x, %d bytes",
 			     addr, len);
-		wl1271_dump_ascii(DEBUG_SPI, "data: ", buf, len);
+		wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
 
 		if (fixed)
 			ret = sdio_writesb(func, addr, buf, len);
@@ -153,7 +150,23 @@ static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
 	if (ret)
 		wl1271_error("sdio write failed (%d)", ret);
 
-	sdio_release_host(func);
+}
+
+static void wl1271_sdio_set_power(struct wl1271 *wl, bool enable)
+{
+	struct sdio_func *func = wl_to_func(wl);
+
+	/* Let the SDIO stack handle wlan_enable control, so we
+	 * keep host claimed while wlan is in use to keep wl1271
+	 * alive.
+	 */
+	if (enable) {
+		sdio_claim_host(func);
+		sdio_enable_func(func);
+	} else {
+		sdio_disable_func(func);
+		sdio_release_host(func);
+	}
 }
 
 static struct wl1271_if_operations sdio_ops = {
@@ -161,15 +174,12 @@ static struct wl1271_if_operations sdio_ops = {
 	.write		= wl1271_sdio_raw_write,
 	.reset		= wl1271_sdio_reset,
 	.init		= wl1271_sdio_init,
+	.power		= wl1271_sdio_set_power,
 	.dev		= wl1271_sdio_wl_to_dev,
 	.enable_irq	= wl1271_sdio_enable_interrupts,
 	.disable_irq	= wl1271_sdio_disable_interrupts
 };
 
-static void wl1271_sdio_set_power(bool enable)
-{
-}
-
 static int __devinit wl1271_probe(struct sdio_func *func,
 				  const struct sdio_device_id *id)
 {
@@ -190,8 +200,6 @@ static int __devinit wl1271_probe(struct sdio_func *func,
 	wl->if_priv = func;
 	wl->if_ops = &sdio_ops;
 
-	wl->set_power = wl1271_sdio_set_power;
-
 	/* Grab access to FN0 for ELP reg. */
 	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
 
@@ -220,28 +228,18 @@ static int __devinit wl1271_probe(struct sdio_func *func,
 	if (ret)
 		goto out_irq;
 
-	sdio_claim_host(func);
 	sdio_set_drvdata(func, wl);
 
-	ret = sdio_enable_func(func);
-	if (ret)
-		goto out_release;
-
-	sdio_release_host(func);
-
 	wl1271_notice("initialized");
 
 	return 0;
 
- out_release:
-	sdio_release_host(func);
-
  out_irq:
 	free_irq(wl->irq, wl);
 
 
  out_free:
-	ieee80211_free_hw(hw);
+	wl1271_free_hw(wl);
 
 	return ret;
 }
@@ -250,24 +248,10 @@ static void __devexit wl1271_remove(struct sdio_func *func)
 {
 	struct wl1271 *wl = sdio_get_drvdata(func);
 
-	ieee80211_unregister_hw(wl->hw);
-
-	sdio_claim_host(func);
-	sdio_disable_func(func);
-	sdio_release_host(func);
-
 	free_irq(wl->irq, wl);
 
-	kfree(wl->target_mem_map);
-	vfree(wl->fw);
-	wl->fw = NULL;
-	kfree(wl->nvs);
-	wl->nvs = NULL;
-
-	kfree(wl->fw_status);
-	kfree(wl->tx_res_if);
-
-	ieee80211_free_hw(wl->hw);
+	wl1271_unregister_hw(wl);
+	wl1271_free_hw(wl);
 }
 
 static struct sdio_driver wl1271_sdio_driver = {
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index ed285fec2a08..f44b05a32b0d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -23,7 +23,6 @@
 
 #include <linux/irq.h>
 #include <linux/module.h>
-#include <linux/platform_device.h>
 #include <linux/crc7.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/wl12xx.h>
@@ -332,26 +331,18 @@ static irqreturn_t wl1271_irq(int irq, void *cookie)
 	return IRQ_HANDLED;
 }
 
-static void wl1271_device_release(struct device *dev)
+static void wl1271_spi_set_power(struct wl1271 *wl, bool enable)
 {
-
+	if (wl->set_power)
+		wl->set_power(enable);
 }
 
-static struct platform_device wl1271_device = {
-	.name           = "wl1271",
-	.id             = -1,
-
-	/* device model insists to have a release function */
-	.dev            = {
-		.release = wl1271_device_release,
-	},
-};
-
 static struct wl1271_if_operations spi_ops = {
 	.read		= wl1271_spi_raw_read,
 	.write		= wl1271_spi_raw_write,
 	.reset		= wl1271_spi_reset,
 	.init		= wl1271_spi_init,
+	.power		= wl1271_spi_set_power,
 	.dev		= wl1271_spi_wl_to_dev,
 	.enable_irq	= wl1271_spi_enable_interrupts,
 	.disable_irq	= wl1271_spi_disable_interrupts
@@ -415,33 +406,23 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 
 	disable_irq(wl->irq);
 
-	ret = platform_device_register(&wl1271_device);
-	if (ret) {
-		wl1271_error("couldn't register platform device");
-		goto out_irq;
-	}
-	dev_set_drvdata(&wl1271_device.dev, wl);
-
 	ret = wl1271_init_ieee80211(wl);
 	if (ret)
-		goto out_platform;
+		goto out_irq;
 
 	ret = wl1271_register_hw(wl);
 	if (ret)
-		goto out_platform;
+		goto out_irq;
 
 	wl1271_notice("initialized");
 
 	return 0;
 
- out_platform:
-	platform_device_unregister(&wl1271_device);
-
  out_irq:
 	free_irq(wl->irq, wl);
 
  out_free:
-	ieee80211_free_hw(hw);
+	wl1271_free_hw(wl);
 
 	return ret;
 }
@@ -450,9 +431,9 @@ static int __devexit wl1271_remove(struct spi_device *spi)
 {
 	struct wl1271 *wl = dev_get_drvdata(&spi->dev);
 
-	platform_device_unregister(&wl1271_device);
 	free_irq(wl->irq, wl);
 
+	wl1271_unregister_hw(wl);
 	wl1271_free_hw(wl);
 
 	return 0;
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.h b/drivers/net/wireless/wl12xx/wl1271_tx.h
index 8b9f6b4f5652..5e6c27a57415 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.h
@@ -125,9 +125,6 @@ struct wl1271_tx_hw_res_if {
 
 static inline int wl1271_tx_get_queue(int queue)
 {
-	/* FIXME: use best effort until WMM is enabled */
-	return CONF_TX_AC_BE;
-
 	switch (queue) {
 	case 0:
 		return CONF_TX_AC_VO;