diff --git a/drivers/staging/ath6kl/Makefile b/drivers/staging/ath6kl/Makefile
index 50c1db0..025027a 100644
--- a/drivers/staging/ath6kl/Makefile
+++ b/drivers/staging/ath6kl/Makefile
@@ -142,7 +142,6 @@ ath6kl-y += os/linux/netbuf.o
 ath6kl-y += os/linux/wireless_ext.o
 ath6kl-y += os/linux/ioctl.o
 ath6kl-y += os/linux/hci_bridge.o
-ath6kl-y += os/linux/ar6k_pal.o
 ath6kl-y += miscdrv/common_drv.o
 ath6kl-y += miscdrv/credit_dist.o
 ath6kl-y += wmi/wmi.o
diff --git a/drivers/staging/ath6kl/include/common/wmi.h b/drivers/staging/ath6kl/include/common/wmi.h
index c645af3..d3de3cc 100644
--- a/drivers/staging/ath6kl/include/common/wmi.h
+++ b/drivers/staging/ath6kl/include/common/wmi.h
@@ -118,7 +118,7 @@ typedef enum {
 typedef enum {
     WMI_DATA_HDR_DATA_TYPE_802_3 = 0,
     WMI_DATA_HDR_DATA_TYPE_802_11,
-    WMI_DATA_HDR_DATA_TYPE_ACL,
+    WMI_DATA_HDR_DATA_TYPE_ACL, /* used to be used for the PAL */
 } WMI_DATA_HDR_DATA_TYPE;
 
 #define WMI_DATA_HDR_DATA_TYPE_MASK     0x3
diff --git a/drivers/staging/ath6kl/os/linux/ar6000_drv.c b/drivers/staging/ath6kl/os/linux/ar6000_drv.c
index 94b9132..3dfbb0d 100644
--- a/drivers/staging/ath6kl/os/linux/ar6000_drv.c
+++ b/drivers/staging/ath6kl/os/linux/ar6000_drv.c
@@ -147,7 +147,6 @@ unsigned int panic_on_assert = 1;
 unsigned int nohifscattersupport = NOHIFSCATTERSUPPORT_DEFAULT;
 
 unsigned int setuphci = SETUPHCI_DEFAULT;
-unsigned int setuphcipal = SETUPHCIPAL_DEFAULT;
 unsigned int loghci = 0;
 unsigned int setupbtdev = SETUPBTDEV_DEFAULT;
 #ifndef EXPORT_HCI_BRIDGE_INTERFACE
@@ -190,7 +189,6 @@ module_param(irqprocmode, uint, 0644);
 module_param(nohifscattersupport, uint, 0644);
 module_param(panic_on_assert, uint, 0644);
 module_param(setuphci, uint, 0644);
-module_param(setuphcipal, uint, 0644);
 module_param(loghci, uint, 0644);
 module_param(setupbtdev, uint, 0644);
 #ifndef EXPORT_HCI_BRIDGE_INTERFACE
@@ -344,8 +342,6 @@ ar6000_sysfs_bmi_write(struct file *fp, struct kobject *kobj,
 static int
 ar6000_sysfs_bmi_init(struct ar6_softc *ar);
 
-/* HCI PAL callback function declarations */
-int ar6k_setup_hci_pal(struct ar6_softc *ar);
 void  ar6k_cleanup_hci_pal(struct ar6_softc *ar);
 
 static void
@@ -2028,15 +2024,6 @@ ar6000_stop_endpoint(struct net_device *dev, bool keepprofile, bool getdbglogs)
         if (setuphci)
         	ar6000_cleanup_hci(ar);
 #endif
-#ifdef EXPORT_HCI_PAL_INTERFACE
-        if (setuphcipal && (NULL != ar6kHciPalCallbacks_g.cleanupTransport)) {
-           ar6kHciPalCallbacks_g.cleanupTransport(ar);
-        }
-#else
-				/* cleanup hci pal driver data structures */
-        if(setuphcipal)
-          ar6k_cleanup_hci_pal(ar);
-#endif
         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,(" Shutting down HTC .... \n"));
         /* stop HTC */
         HTCStop(ar->arHtcTarget);
@@ -2737,13 +2724,6 @@ int ar6000_init(struct net_device *dev)
             status = ar6000_setup_hci(ar);
         }
 #endif
-#ifdef EXPORT_HCI_PAL_INTERFACE
-        if (setuphcipal && (NULL != ar6kHciPalCallbacks_g.setupTransport))
-          status = ar6kHciPalCallbacks_g.setupTransport(ar);
-#else
-        if(setuphcipal)
-          status = ar6k_setup_hci_pal(ar);
-#endif
 
     } while (false);
 
@@ -3705,8 +3685,23 @@ ar6000_rx(void *Context, struct htc_packet *pPacket)
                 WMI_DATA_HDR *dhdr = (WMI_DATA_HDR *)A_NETBUF_DATA(skb);
                 bool is_amsdu;
                 u8 tid;
-                bool is_acl_data_frame;
-                is_acl_data_frame = WMI_DATA_HDR_GET_DATA_TYPE(dhdr) == WMI_DATA_HDR_DATA_TYPE_ACL;
+
+		/*
+		 * This check can be removed if after a while we do not
+		 * see the warning. For now we leave it to ensure
+		 * we drop these frames accordingly in case the
+		 * target generates them for some reason. These
+		 * were used for an internal PAL but that's not
+		 * used or supported anymore. These frames should
+		 * not come up from the target.
+		 */
+                if (WARN_ON(WMI_DATA_HDR_GET_DATA_TYPE(dhdr) ==
+			    WMI_DATA_HDR_DATA_TYPE_ACL)) {
+			AR6000_STAT_INC(ar, rx_errors);
+			A_NETBUF_FREE(skb);
+			return;
+		}
+
 #ifdef CONFIG_PM 
                 ar6000_check_wow_status(ar, NULL, false);
 #endif /* CONFIG_PM */
@@ -3728,7 +3723,7 @@ ar6000_rx(void *Context, struct htc_packet *pPacket)
                  * ACL data frames don't follow ethernet frame bounds for
                  * min length
                  */
-                if (ar->arNetworkType != AP_NETWORK &&  !is_acl_data_frame &&
+                if (ar->arNetworkType != AP_NETWORK &&
                     ((pPacket->ActualLength < minHdrLen) ||
                     (pPacket->ActualLength > AR6000_MAX_RX_MESSAGE_SIZE)))
                 {
@@ -3863,7 +3858,7 @@ ar6000_rx(void *Context, struct htc_packet *pPacket)
                     /* NWF: print the 802.11 hdr bytes */
                     if(containsDot11Hdr) {
                         status = wmi_dot11_hdr_remove(ar->arWmi,skb);
-                    } else if(!is_amsdu && !is_acl_data_frame) {
+                    } else if(!is_amsdu) {
                         status = wmi_dot3_2_dix(skb);
                     }
 
@@ -3873,16 +3868,6 @@ ar6000_rx(void *Context, struct htc_packet *pPacket)
                         goto rx_done;
                     }
 
-                    if (is_acl_data_frame) {
-                        A_NETBUF_PUSH(skb, sizeof(int));
-                        *((short *)A_NETBUF_DATA(skb)) = WMI_ACL_DATA_EVENTID;
-	                /* send the data packet to PAL driver */
-			if(ar6k_pal_config_g.fpar6k_pal_recv_pkt) {
-				if((*ar6k_pal_config_g.fpar6k_pal_recv_pkt)(ar->hcipal_info, skb) == true)
-					goto rx_done;
-			}
-                    }
-
                     if ((ar->arNetDev->flags & IFF_UP) == IFF_UP) {
                         if (ar->arNetworkType == AP_NETWORK) {
                             struct sk_buff *skb1 = NULL;
@@ -4829,12 +4814,6 @@ ar6000_hci_event_rcv_evt(struct ar6_softc *ar, WMI_HCI_EVENT *cmd)
     buf += sizeof(int);
     memcpy(buf, cmd->buf, cmd->evt_buf_sz);
 
-    if(ar6k_pal_config_g.fpar6k_pal_recv_pkt)
-    {
-      /* pass the cmd packet to PAL driver */
-      if((*ar6k_pal_config_g.fpar6k_pal_recv_pkt)(ar->hcipal_info, osbuf) == true)
-        return;
-    }
     ar6000_deliver_frames_to_nw_stack(ar->arNetDev, osbuf);
     if(loghci) {
         A_PRINTF_LOG("HCI Event From PAL <-- \n");
diff --git a/drivers/staging/ath6kl/os/linux/ar6k_pal.c b/drivers/staging/ath6kl/os/linux/ar6k_pal.c
deleted file mode 100644
index 7e6279f..0000000
--- a/drivers/staging/ath6kl/os/linux/ar6k_pal.c
+++ /dev/null
@@ -1,479 +0,0 @@
-//------------------------------------------------------------------------------
-// Copyright (c) 2004-2010 Atheros Communications Inc.
-// All rights reserved.
-//
-// 
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-//
-//
-//
-// Author(s): ="Atheros"
-//------------------------------------------------------------------------------
-
-#include "ar6000_drv.h"
-#ifdef AR6K_ENABLE_HCI_PAL
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/hci_core.h>
-#include <ar6k_pal.h>
-
-extern unsigned int setupbtdev;
-#define bt_check_bit(val, bit) (val & bit)
-#define bt_set_bit(val, bit) (val |= bit)
-#define bt_clear_bit(val, bit) (val &= ~bit)
-
-/* export ATH_AR6K_DEBUG_HCI_PAL=yes in host/localmake.linux.inc
- * to enable debug information */
-#ifdef HCIPAL_DEBUG
-#define PRIN_LOG(format, args...) printk(KERN_ALERT "%s:%d - %s Msg:" format "\n",__FUNCTION__, __LINE__, __FILE__, ## args) 
-#else
-#define PRIN_LOG(format, args...)
-#endif
-
-/**********************************
- * HCI PAL private info structure 
- *********************************/
-typedef struct ar6k_hci_pal_info_s{
-
-	unsigned long ulFlags;
-#define HCI_NORMAL_MODE (1)
-#define HCI_REGISTERED (1<<1)
-	struct hci_dev *hdev;            /* BT Stack HCI dev */
-	struct ar6_softc *ar;
-
-}ar6k_hci_pal_info_t;
-
-/*** BT Stack Entrypoints *******/
-/***************************************
- * bt_open - open a handle to the device
- ***************************************/
-static int bt_open(struct hci_dev *hdev)
-{
-	PRIN_LOG("HCI PAL: bt_open - enter - x\n");
-	set_bit(HCI_RUNNING, &hdev->flags);
-	set_bit(HCI_UP, &hdev->flags);
-	set_bit(HCI_INIT, &hdev->flags);         
-	return 0;
-}
-
-/***************************************
- * bt_close - close handle to the device
- ***************************************/
-static int bt_close(struct hci_dev *hdev)
-{
-	PRIN_LOG("HCI PAL: bt_close - enter\n");
-	clear_bit(HCI_RUNNING, &hdev->flags);
-	return 0;
-}
-
-/*****************************
- * bt_ioctl - ioctl processing
- *****************************/
-static int bt_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
-{
-	PRIN_LOG("HCI PAL: bt_ioctl - enter\n");
-	return -ENOIOCTLCMD;
-}
-
-/**************************************
- * bt_flush - flush outstanding packets
- **************************************/
-static int bt_flush(struct hci_dev *hdev)
-{
-	PRIN_LOG("HCI PAL: bt_flush - enter\n");
-	return 0;
-}
-
-/***************
- * bt_destruct  
- ***************/
-static void bt_destruct(struct hci_dev *hdev)
-{
-	PRIN_LOG("HCI PAL: bt_destruct - enter\n");
-	/* nothing to do here */
-}
-
-/****************************************************
- * Invoked from bluetooth stack via hdev->send()
- * to send the packet out via ar6k to PAL firmware.
- *
- * For HCI command packet wmi_send_hci_cmd() is invoked.
- * wmi_send_hci_cmd adds WMI_CMD_HDR and sends the packet
- * to PAL firmware.
- *
- * For HCI ACL data packet wmi_data_hdr_add is invoked 
- * to add WMI_DATA_HDR to the packet.  ar6000_acl_data_tx 
- * is then invoked to send the packet to PAL firmware.
- ******************************************************/
-static int btpal_send_frame(struct sk_buff *skb)
-{
-	struct hci_dev *hdev = (struct hci_dev *)skb->dev;
-	HCI_TRANSPORT_PACKET_TYPE type;
-	ar6k_hci_pal_info_t *pHciPalInfo;
-	int status = 0;
-	struct sk_buff *txSkb = NULL;
-	struct ar6_softc *ar;
-
-	if (!hdev) {
-		PRIN_LOG("HCI PAL: btpal_send_frame - no device\n");
-		return -ENODEV;
-	}
-
-	if (!test_bit(HCI_RUNNING, &hdev->flags)) {
-		PRIN_LOG("HCI PAL: btpal_send_frame - not open\n");
-		return -EBUSY;
-	}
-
-	pHciPalInfo = (ar6k_hci_pal_info_t *)hdev->driver_data;   
-	A_ASSERT(pHciPalInfo != NULL);
-	ar = pHciPalInfo->ar;
-
-	PRIN_LOG("+btpal_send_frame type: %d \n",bt_cb(skb)->pkt_type);
-	type = HCI_COMMAND_TYPE;
-
-	switch (bt_cb(skb)->pkt_type) {
-		case HCI_COMMAND_PKT:
-			type = HCI_COMMAND_TYPE;
-			hdev->stat.cmd_tx++;
-			break;
-
-		case HCI_ACLDATA_PKT:
-			type = HCI_ACL_TYPE;
-			hdev->stat.acl_tx++;
-			break;
-
-		case HCI_SCODATA_PKT:
-			/* we don't support SCO over the pal */
-			kfree_skb(skb);
-			return 0;
-		default:
-			A_ASSERT(false);
-			kfree_skb(skb);
-			return 0;
-	} 
-
-	if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_HCI_DUMP)) {
-		A_PRINTF(">>> Send HCI %s packet len: %d\n",
-				(type == HCI_COMMAND_TYPE) ? "COMMAND" : "ACL",
-				skb->len);
-		if (type == HCI_COMMAND_TYPE) {
-			PRIN_LOG("    HCI Command: OGF:0x%X OCF:0x%X \r\n", 
-					HCI_GET_OP_CODE(skb-data) >> 10, HCI_GET_OP_CODE(skb-data) & 0x3FF);
-		}
-		AR_DEBUG_PRINTBUF(skb->data,skb->len,"BT HCI SEND Packet Dump");
-	}
-
-	do {
-		if(type == HCI_COMMAND_TYPE)
-		{
-			PRIN_LOG("HCI command");
-
-			if (ar->arWmiReady == false)
-			{
-				PRIN_LOG("WMI not ready ");
-				break;
-			}
-
-			if (wmi_send_hci_cmd(ar->arWmi, skb->data, skb->len) != 0)
-			{
-				PRIN_LOG("send hci cmd error");
-				break;
-			}
-		}
-		else if(type == HCI_ACL_TYPE)
-		{
-			void *osbuf;
-
-			PRIN_LOG("ACL data");
-			if (ar->arWmiReady == false)
-			{
-				PRIN_LOG("WMI not ready");
-				break;
-			}
-
-			/* need to add WMI header so allocate a skb with more space */
-			txSkb = bt_skb_alloc(TX_PACKET_RSV_OFFSET + WMI_MAX_TX_META_SZ + 
-					sizeof(WMI_DATA_HDR) + skb->len, 
-					GFP_ATOMIC);
-
-			if (txSkb == NULL) {
-				status = A_NO_MEMORY;
-				PRIN_LOG("No memory");
-				break;
-			}
-
-			bt_cb(txSkb)->pkt_type = bt_cb(skb)->pkt_type;
-			txSkb->dev = (void *)pHciPalInfo->hdev;
-			skb_reserve(txSkb, TX_PACKET_RSV_OFFSET + WMI_MAX_TX_META_SZ + sizeof(WMI_DATA_HDR));
-			memcpy(txSkb->data, skb->data, skb->len);
-			skb_put(txSkb,skb->len);
-			/* Add WMI packet type */
-			osbuf = (void *)txSkb;
-
-			if (wmi_data_hdr_add(ar->arWmi, osbuf, DATA_MSGTYPE, 0, WMI_DATA_HDR_DATA_TYPE_ACL,0,NULL) != 0) {
-				PRIN_LOG("XIOCTL_ACL_DATA - wmi_data_hdr_add failed\n");
-			} else {
-				/* Send data buffer over HTC */
-				PRIN_LOG("acl data tx");
-				ar6000_acl_data_tx(osbuf, ar->arNetDev);
-			}
-			txSkb = NULL;
-		}
-	} while (false);
-
-	if (txSkb != NULL) {
-		PRIN_LOG("Free skb");
-		kfree_skb(txSkb);    
-	}
-	kfree_skb(skb);        
-	return 0;
-}
-
-
-/***********************************************
- * Unregister HCI device and free HCI device info
- ***********************************************/
-static void bt_cleanup_hci_pal(ar6k_hci_pal_info_t *pHciPalInfo)
-{   
-	int err;      
-
-	if (bt_check_bit(pHciPalInfo->ulFlags, HCI_REGISTERED)) {
-		bt_clear_bit(pHciPalInfo->ulFlags, HCI_REGISTERED);
-		clear_bit(HCI_RUNNING, &pHciPalInfo->hdev->flags);
-		clear_bit(HCI_UP, &pHciPalInfo->hdev->flags);
-		clear_bit(HCI_INIT, &pHciPalInfo->hdev->flags);   
-		A_ASSERT(pHciPalInfo->hdev != NULL);
-		/* unregister */
-		PRIN_LOG("Unregister PAL device");
-		if ((err = hci_unregister_dev(pHciPalInfo->hdev)) < 0) {
-			PRIN_LOG("HCI PAL: failed to unregister with bluetooth %d\n",err);
-		}          
-	}
-
-	kfree(pHciPalInfo->hdev);
-	pHciPalInfo->hdev = NULL;
-}
-
-/*********************************************************
- * Allocate HCI device and store in PAL private info structure.
- *********************************************************/
-static int bt_setup_hci_pal(ar6k_hci_pal_info_t *pHciPalInfo)
-{
-	int status = 0;
-	struct hci_dev *pHciDev = NULL;
-
-	if (!setupbtdev) {
-		return 0;
-	} 
-
-	do {
-		/* allocate a BT HCI struct for this device */
-		pHciDev = hci_alloc_dev();
-		if (NULL == pHciDev) {
-			PRIN_LOG("HCI PAL driver - failed to allocate BT HCI struct \n");
-			status = A_NO_MEMORY;
-			break;
-		}    
-
-		/* save the device, we'll register this later */
-		pHciPalInfo->hdev = pHciDev;       
-                SET_HCI_BUS_TYPE(pHciDev, HCI_VIRTUAL, HCI_80211);
-		pHciDev->driver_data = pHciPalInfo;
-		pHciDev->open     = bt_open;
-		pHciDev->close    = bt_close;
-		pHciDev->send     = btpal_send_frame;
-		pHciDev->ioctl    = bt_ioctl;
-		pHciDev->flush    = bt_flush;
-		pHciDev->destruct = bt_destruct;
-		pHciDev->owner = THIS_MODULE; 
-		/* driver is running in normal BT mode */
-		PRIN_LOG("Normal mode enabled");
-		bt_set_bit(pHciPalInfo->ulFlags, HCI_NORMAL_MODE);
-
-	} while (false);
-
-	if (status) {
-		bt_cleanup_hci_pal(pHciPalInfo);    
-	}
-	return status;
-}
-
-/**********************************************
- * Cleanup HCI device and free HCI PAL private info
- *********************************************/
-void ar6k_cleanup_hci_pal(void *ar_p)
-{
-	struct ar6_softc *ar = (struct ar6_softc *)ar_p;
-	ar6k_hci_pal_info_t *pHciPalInfo = (ar6k_hci_pal_info_t *)ar->hcipal_info;
-
-	if (pHciPalInfo != NULL) {
-		bt_cleanup_hci_pal(pHciPalInfo);   
-		kfree(pHciPalInfo);
-		ar->hcipal_info = NULL;
-	}
-}
-
-/****************************
- *  Register HCI device
- ****************************/
-static bool ar6k_pal_transport_ready(void *pHciPal)
-{
-	ar6k_hci_pal_info_t *pHciPalInfo = (ar6k_hci_pal_info_t *)pHciPal;
-
-	PRIN_LOG("HCI device transport ready");
-	if(pHciPalInfo == NULL)
-		return false;
-
-	if (hci_register_dev(pHciPalInfo->hdev) < 0) {
-		PRIN_LOG("Can't register HCI device");
-		hci_free_dev(pHciPalInfo->hdev);
-		return false;
-	}
-	PRIN_LOG("HCI device registered");
-	pHciPalInfo->ulFlags |= HCI_REGISTERED;
-	return true;
-}
-
-/**************************************************
- * Called from ar6k driver when command or ACL data 
- * packet is received. Pass the packet to bluetooth
- * stack via hci_recv_frame.
- **************************************************/
-bool ar6k_pal_recv_pkt(void *pHciPal, void *osbuf)
-{
-	struct sk_buff *skb = (struct sk_buff *)osbuf;
-	ar6k_hci_pal_info_t *pHciPalInfo;
-	bool success = false;
-	u8 btType = 0;
-	pHciPalInfo = (ar6k_hci_pal_info_t *)pHciPal;
-
-	do {
-
-		/* if normal mode is not enabled pass on to the stack
-		 * by returning failure */
-		if(!(pHciPalInfo->ulFlags & HCI_NORMAL_MODE))
-		{
-			PRIN_LOG("Normal mode not enabled");
-			break;
-		}
-
-		if (!test_bit(HCI_RUNNING, &pHciPalInfo->hdev->flags)) {
-			PRIN_LOG("HCI PAL: HCI - not running\n");
-			break;
-		}
-
-		if(*((short *)A_NETBUF_DATA(skb)) == WMI_ACL_DATA_EVENTID)
-			btType = HCI_ACLDATA_PKT;
-		else
-			btType = HCI_EVENT_PKT;
-		/* pull 4 bytes which contains WMI packet type */
-		A_NETBUF_PULL(skb, sizeof(int));
-		bt_cb(skb)->pkt_type = btType;
-		skb->dev = (void *)pHciPalInfo->hdev;
-
-		/* pass the received event packet up the stack */    
-		if (hci_recv_frame(skb) != 0) {
-			PRIN_LOG("HCI PAL: hci_recv_frame failed \n");
-			break;
-		} else {
-			PRIN_LOG("HCI PAL: Indicated RCV of type:%d, Length:%d \n",HCI_EVENT_PKT, skb->len);
-		}
-		PRIN_LOG("hci recv success");
-		success = true;
-	}while(false);
-	return success;
-}
-
-/**********************************************************
- * HCI PAL init function called from ar6k when it is loaded..
- * Allocates PAL private info, stores the same in ar6k private info.
- * Registers a HCI device.
- * Registers packet receive callback function with ar6k 
- **********************************************************/
-int ar6k_setup_hci_pal(void *ar_p)
-{
-	int status = 0;
-	ar6k_hci_pal_info_t *pHciPalInfo;
-	ar6k_pal_config_t ar6k_pal_config;
-	struct ar6_softc *ar = (struct ar6_softc *)ar_p;
-
-	do {
-
-		pHciPalInfo = (ar6k_hci_pal_info_t *)A_MALLOC(sizeof(ar6k_hci_pal_info_t));
-
-		if (NULL == pHciPalInfo) {
-			status = A_NO_MEMORY;
-			break;    
-		}
-
-		A_MEMZERO(pHciPalInfo, sizeof(ar6k_hci_pal_info_t));
-		ar->hcipal_info = pHciPalInfo;
-		pHciPalInfo->ar = ar;
-
-		status = bt_setup_hci_pal(pHciPalInfo);
-		if (status) {
-			break;    
-		}
-
-		if(bt_check_bit(pHciPalInfo->ulFlags, HCI_NORMAL_MODE))
-			PRIN_LOG("HCI PAL: running in normal mode... \n");    
-		else 
-			PRIN_LOG("HCI PAL: running in test mode... \n");     
-
-		ar6k_pal_config.fpar6k_pal_recv_pkt = ar6k_pal_recv_pkt;
-		register_pal_cb(&ar6k_pal_config);
-		ar6k_pal_transport_ready(ar->hcipal_info);
-	} while (false);
-
-	if (status) {
-		ar6k_cleanup_hci_pal(ar);    
-	}
-	return status;
-}
-#else  /* AR6K_ENABLE_HCI_PAL */
-int ar6k_setup_hci_pal(void *ar_p)
-{
-	return 0;
-}
-void ar6k_cleanup_hci_pal(void *ar_p)
-{
-}
-#endif /* AR6K_ENABLE_HCI_PAL */
-
-#ifdef EXPORT_HCI_PAL_INTERFACE
-/*****************************************************
- * Register init and callback function with ar6k
- * when PAL driver is a separate kernel module.
- ****************************************************/
-int ar6k_register_hci_pal(struct hci_transport_callbacks *hciTransCallbacks);
-static int __init pal_init_module(void)
-{
-	struct hci_transport_callbacks hciTransCallbacks;
-
-	hciTransCallbacks.setupTransport = ar6k_setup_hci_pal;
-	hciTransCallbacks.cleanupTransport = ar6k_cleanup_hci_pal;
-
-	if(ar6k_register_hci_pal(&hciTransCallbacks) != 0)
-		return -ENODEV;
-
-	return 0;
-}
-
-static void __exit pal_cleanup_module(void)
-{
-}
-
-module_init(pal_init_module);
-module_exit(pal_cleanup_module);
-MODULE_LICENSE("Dual BSD/GPL");
-#endif
diff --git a/drivers/staging/ath6kl/os/linux/include/ar6000_drv.h b/drivers/staging/ath6kl/os/linux/include/ar6000_drv.h
index dc27860..781e18f 100644
--- a/drivers/staging/ath6kl/os/linux/include/ar6000_drv.h
+++ b/drivers/staging/ath6kl/os/linux/include/ar6000_drv.h
@@ -215,12 +215,6 @@ typedef enum _AR6K_BIN_FILE {
 #define SETUPHCI_DEFAULT           0
 #endif /* SETUPHCI_ENABLED */
 
-#ifdef SETUPHCIPAL_ENABLED
-#define SETUPHCIPAL_DEFAULT           1
-#else
-#define SETUPHCIPAL_DEFAULT           0
-#endif /* SETUPHCIPAL_ENABLED */
-
 #ifdef SETUPBTDEV_ENABLED
 #define SETUPBTDEV_DEFAULT         1
 #else
@@ -571,7 +565,6 @@ struct ar6_softc {
 #ifndef EXPORT_HCI_BRIDGE_INTERFACE
     void                    *hcidev_info;
 #endif
-    void                    *hcipal_info;
     WMI_AP_MODE_STAT        arAPStats;
     u8 ap_hidden_ssid;
     u8 ap_country_code[3];
diff --git a/drivers/staging/ath6kl/os/linux/include/athdrv_linux.h b/drivers/staging/ath6kl/os/linux/include/athdrv_linux.h
index 66817c2..065b09b 100644
--- a/drivers/staging/ath6kl/os/linux/include/athdrv_linux.h
+++ b/drivers/staging/ath6kl/os/linux/include/athdrv_linux.h
@@ -942,7 +942,7 @@ typedef enum {
 
 #define AR6000_XIOCTL_HCI_CMD                       132
 
-#define AR6000_XIOCTL_ACL_DATA                      133
+#define AR6000_XIOCTL_ACL_DATA                      133 /* used to be used for PAL */
 
 #define AR6000_XIOCTL_WLAN_CONN_PRECEDENCE          134
 
diff --git a/drivers/staging/ath6kl/os/linux/include/wmi_filter_linux.h b/drivers/staging/ath6kl/os/linux/include/wmi_filter_linux.h
index d172625..1eb6f82 100644
--- a/drivers/staging/ath6kl/os/linux/include/wmi_filter_linux.h
+++ b/drivers/staging/ath6kl/os/linux/include/wmi_filter_linux.h
@@ -266,7 +266,7 @@ u8 xioctl_filter[] = {
 (0xFF),                                         /* AR6000_XIOCTL_DELE_AGGR                         130  */
 (0xFF),                                         /* AR6000_XIOCTL_FETCH_TARGET_REGS                 131  */
 (0xFF),                                         /* AR6000_XIOCTL_HCI_CMD                           132  */
-(0xFF),                                         /* AR6000_XIOCTL_ACL_DATA                          133  */
+(0xFF),                                         /* AR6000_XIOCTL_ACL_DATA(used to be used for PAL) 133  */
 (0xFF),                                         /* AR6000_XIOCTL_WLAN_CONN_PRECEDENCE              134  */
 (AP_NETWORK),                                   /* AR6000_XIOCTL_AP_SET_11BG_RATESET               135  */
 (0xFF),
diff --git a/drivers/staging/ath6kl/os/linux/ioctl.c b/drivers/staging/ath6kl/os/linux/ioctl.c
index f2acc68..711f43a 100644
--- a/drivers/staging/ath6kl/os/linux/ioctl.c
+++ b/drivers/staging/ath6kl/os/linux/ioctl.c
@@ -1488,57 +1488,6 @@ prof_count_rx(u32 addr, u32 count)
 }
 #endif /* CONFIG_TARGET_PROFILE_SUPPORT */
 
-
-static int
-ar6000_create_acl_data_osbuf(struct net_device *dev, u8 *userdata, void **p_osbuf)
-{
-    void *osbuf = NULL;
-    u8 tmp_space[8];
-    HCI_ACL_DATA_PKT *acl;
-    u8 hdr_size, *datap=NULL;
-    int ret = 0;
-
-    /* ACL is in data path. There is a need to create pool
-     * mechanism for allocating and freeing NETBUFs - ToDo later.
-     */
-
-    *p_osbuf = NULL;
-    acl = (HCI_ACL_DATA_PKT *)tmp_space;
-    hdr_size = sizeof(acl->hdl_and_flags) + sizeof(acl->data_len);
-
-    do {
-        if (a_copy_from_user(acl, userdata, hdr_size)) {
-            ret = A_EFAULT;
-            break;
-        }
-
-        osbuf = A_NETBUF_ALLOC(hdr_size + acl->data_len);
-        if (osbuf == NULL) {
-           ret = A_NO_MEMORY;
-           break;
-        }
-        A_NETBUF_PUT(osbuf, hdr_size + acl->data_len);
-        datap = (u8 *)A_NETBUF_DATA(osbuf);
-
-        /* Real copy to osbuf */
-        acl = (HCI_ACL_DATA_PKT *)(datap);
-        memcpy(acl, tmp_space, hdr_size);
-        if (a_copy_from_user(acl->data, userdata + hdr_size, acl->data_len)) {
-            ret = A_EFAULT;
-            break;
-        }
-    } while(false);
-
-    if (ret == 0) {
-        *p_osbuf = osbuf;
-    } else {
-        A_NETBUF_FREE(osbuf);
-    }
-    return ret;
-}
-
-
-
 int
 ar6000_ioctl_ap_setparam(struct ar6_softc *ar, int param, int value)
 {
@@ -4411,23 +4360,6 @@ int ar6000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
              break;
         }
 #endif
-        case AR6000_XIOCTL_ACL_DATA:
-        {
-            void *osbuf = NULL;
-            if (ar->arWmiReady == false) {
-                ret = -EIO;
-            } else if (ar6000_create_acl_data_osbuf(dev, (u8 *)userdata, &osbuf) != 0) {
-                     ret = -EIO;
-            } else {
-                if (wmi_data_hdr_add(ar->arWmi, osbuf, DATA_MSGTYPE, 0, WMI_DATA_HDR_DATA_TYPE_ACL,0,NULL) != 0) {
-                    AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("XIOCTL_ACL_DATA - wmi_data_hdr_add failed\n"));
-                } else {
-                    /* Send data buffer over HTC */
-                    ar6000_acl_data_tx(osbuf, ar->arNetDev);
-                }
-            }
-            break;
-        }
         case AR6000_XIOCTL_HCI_CMD:
         {
             char tmp_buf[512];
