Merge branch 'linus' into sched/urgent

41 files changed, 2517 insertions, 1763 deletions

diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index 257e6908304..2f98d080fe7 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_UWB_I1480U)	+= i1480/
 
 uwb-objs :=		\
 	address.o	\
+	allocator.o	\
 	beacon.o	\
 	driver.o	\
 	drp.o		\
@@ -13,10 +14,12 @@ uwb-objs :=		\
 	drp-ie.o	\
 	est.o		\
 	ie.o		\
+	ie-rcv.o	\
 	lc-dev.o	\
 	lc-rc.o		\
 	neh.o		\
 	pal.o		\
+	radio.o		\
 	reset.o		\
 	rsv.o		\
 	scan.o		\
diff --git a/drivers/uwb/address.c b/drivers/uwb/address.c
index 1664ae5f170..ad21b1d7218 100644
--- a/drivers/uwb/address.c
+++ b/drivers/uwb/address.c
@@ -28,7 +28,7 @@
 #include <linux/device.h>
 #include <linux/random.h>
 #include <linux/etherdevice.h>
-#include <linux/uwb/debug.h>
+
 #include "uwb-internal.h"
 
 
diff --git a/drivers/uwb/allocator.c b/drivers/uwb/allocator.c
new file mode 100644
index 00000000000..c8185e6b0cd
--- /dev/null
+++ b/drivers/uwb/allocator.c
@@ -0,0 +1,386 @@
+/*
+ * UWB reservation management.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/uwb.h>
+
+#include "uwb-internal.h"
+
+static void uwb_rsv_fill_column_alloc(struct uwb_rsv_alloc_info *ai)
+{
+	int col, mas, safe_mas, unsafe_mas;
+	unsigned char *bm = ai->bm;
+	struct uwb_rsv_col_info *ci = ai->ci;
+	unsigned char c;
+
+	for (col = ci->csi.start_col; col < UWB_NUM_ZONES; col += ci->csi.interval) {
+    
+		safe_mas   = ci->csi.safe_mas_per_col;
+		unsafe_mas = ci->csi.unsafe_mas_per_col;
+    
+		for (mas = 0; mas < UWB_MAS_PER_ZONE; mas++ ) {
+			if (bm[col * UWB_MAS_PER_ZONE + mas] == 0) {
+	
+				if (safe_mas > 0) {
+					safe_mas--;
+					c = UWB_RSV_MAS_SAFE;
+				} else if (unsafe_mas > 0) {
+					unsafe_mas--;
+					c = UWB_RSV_MAS_UNSAFE;
+				} else {
+					break;
+				}
+				bm[col * UWB_MAS_PER_ZONE + mas] = c;
+			}
+		}
+	}
+}
+
+static void uwb_rsv_fill_row_alloc(struct uwb_rsv_alloc_info *ai)
+{
+	int mas, col, rows;
+	unsigned char *bm = ai->bm;
+	struct uwb_rsv_row_info *ri = &ai->ri;
+	unsigned char c;
+
+	rows = 1;
+	c = UWB_RSV_MAS_SAFE;
+	for (mas = UWB_MAS_PER_ZONE - 1; mas >= 0; mas--) {
+		if (ri->avail[mas] == 1) {
+      
+			if (rows > ri->used_rows) {
+				break;
+			} else if (rows > 7) {
+				c = UWB_RSV_MAS_UNSAFE;
+			}
+
+			for (col = 0; col < UWB_NUM_ZONES; col++) {
+				if (bm[col * UWB_NUM_ZONES + mas] != UWB_RSV_MAS_NOT_AVAIL) {
+					bm[col * UWB_NUM_ZONES + mas] = c;
+					if(c == UWB_RSV_MAS_SAFE)
+						ai->safe_allocated_mases++;
+					else
+						ai->unsafe_allocated_mases++;
+				}
+			}
+			rows++;
+		}
+	}
+	ai->total_allocated_mases = ai->safe_allocated_mases + ai->unsafe_allocated_mases;
+}
+
+/*
+ * Find the best column set for a given availability, interval, num safe mas and
+ * num unsafe mas.
+ *
+ * The different sets are tried in order as shown below, depending on the interval.
+ *
+ * interval = 16
+ *	deep = 0
+ *		set 1 ->  {  8 }
+ *	deep = 1
+ *		set 1 ->  {  4 }
+ *		set 2 ->  { 12 }
+ *	deep = 2
+ *		set 1 ->  {  2 }
+ *		set 2 ->  {  6 }
+ *		set 3 ->  { 10 }
+ *		set 4 ->  { 14 }
+ *	deep = 3
+ *		set 1 ->  {  1 }
+ *		set 2 ->  {  3 }
+ *		set 3 ->  {  5 }
+ *		set 4 ->  {  7 }
+ *		set 5 ->  {  9 }
+ *		set 6 ->  { 11 }
+ *		set 7 ->  { 13 }
+ *		set 8 ->  { 15 }
+ *
+ * interval = 8
+ *	deep = 0
+ *		set 1 ->  {  4  12 }
+ *	deep = 1
+ *		set 1 ->  {  2  10 }
+ *		set 2 ->  {  6  14 }
+ *	deep = 2
+ *		set 1 ->  {  1   9 }
+ *		set 2 ->  {  3  11 }
+ *		set 3 ->  {  5  13 }
+ *		set 4 ->  {  7  15 }
+ *
+ * interval = 4
+ *	deep = 0
+ *		set 1 ->  {  2   6  10  14 }
+ *	deep = 1
+ *		set 1 ->  {  1   5   9  13 }
+ *		set 2 ->  {  3   7  11  15 }
+ *
+ * interval = 2
+ *	deep = 0
+ *		set 1 ->  {  1   3   5   7   9  11  13  15 }
+ */
+static int uwb_rsv_find_best_column_set(struct uwb_rsv_alloc_info *ai, int interval, 
+					int num_safe_mas, int num_unsafe_mas)
+{
+	struct uwb_rsv_col_info *ci = ai->ci;
+	struct uwb_rsv_col_set_info *csi = &ci->csi;
+	struct uwb_rsv_col_set_info tmp_csi;
+	int deep, set, col, start_col_deep, col_start_set;
+	int start_col, max_mas_in_set, lowest_max_mas_in_deep;
+	int n_mas;
+	int found = UWB_RSV_ALLOC_NOT_FOUND; 
+
+	tmp_csi.start_col = 0;
+	start_col_deep = interval;
+	n_mas = num_unsafe_mas + num_safe_mas;
+
+	for (deep = 0; ((interval >> deep) & 0x1) == 0; deep++) {
+		start_col_deep /= 2;
+		col_start_set = 0;
+		lowest_max_mas_in_deep = UWB_MAS_PER_ZONE;
+
+		for (set = 1; set <= (1 << deep); set++) {
+			max_mas_in_set = 0;
+			start_col = start_col_deep + col_start_set;
+			for (col = start_col; col < UWB_NUM_ZONES; col += interval) {
+                
+				if (ci[col].max_avail_safe >= num_safe_mas &&
+				    ci[col].max_avail_unsafe >= n_mas) {
+					if (ci[col].highest_mas[n_mas] > max_mas_in_set)
+						max_mas_in_set = ci[col].highest_mas[n_mas];
+				} else {
+					max_mas_in_set = 0;
+					break;
+				}
+			}
+			if ((lowest_max_mas_in_deep > max_mas_in_set) && max_mas_in_set) {
+				lowest_max_mas_in_deep = max_mas_in_set;
+
+				tmp_csi.start_col = start_col;
+			}
+			col_start_set += (interval >> deep);
+		}
+
+		if (lowest_max_mas_in_deep < 8) {
+			csi->start_col = tmp_csi.start_col;
+			found = UWB_RSV_ALLOC_FOUND;
+			break;
+		} else if ((lowest_max_mas_in_deep > 8) && 
+			   (lowest_max_mas_in_deep != UWB_MAS_PER_ZONE) &&
+			   (found == UWB_RSV_ALLOC_NOT_FOUND)) {
+			csi->start_col = tmp_csi.start_col;
+			found = UWB_RSV_ALLOC_FOUND;
+		}
+	}
+
+	if (found == UWB_RSV_ALLOC_FOUND) {
+		csi->interval = interval;
+		csi->safe_mas_per_col = num_safe_mas;
+		csi->unsafe_mas_per_col = num_unsafe_mas;
+
+		ai->safe_allocated_mases = (UWB_NUM_ZONES / interval) * num_safe_mas;
+		ai->unsafe_allocated_mases = (UWB_NUM_ZONES / interval) * num_unsafe_mas;
+		ai->total_allocated_mases = ai->safe_allocated_mases + ai->unsafe_allocated_mases;
+		ai->interval = interval;		
+	}
+	return found;
+}
+
+static void get_row_descriptors(struct uwb_rsv_alloc_info *ai)
+{
+	unsigned char *bm = ai->bm;
+	struct uwb_rsv_row_info *ri = &ai->ri;
+	int col, mas;
+  
+	ri->free_rows = 16;
+	for (mas = 0; mas < UWB_MAS_PER_ZONE; mas ++) {
+		ri->avail[mas] = 1;
+		for (col = 1; col < UWB_NUM_ZONES; col++) {
+			if (bm[col * UWB_NUM_ZONES + mas] == UWB_RSV_MAS_NOT_AVAIL) {
+				ri->free_rows--;
+				ri->avail[mas]=0;
+				break;
+			}
+		}
+	}
+}
+
+static void uwb_rsv_fill_column_info(unsigned char *bm, int column, struct uwb_rsv_col_info *rci)
+{
+	int mas;
+	int block_count = 0, start_block = 0; 
+	int previous_avail = 0;
+	int available = 0;
+	int safe_mas_in_row[UWB_MAS_PER_ZONE] = {
+		8, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1,
+	};
+
+	rci->max_avail_safe = 0;
+
+	for (mas = 0; mas < UWB_MAS_PER_ZONE; mas ++) {
+		if (!bm[column * UWB_NUM_ZONES + mas]) {
+			available++;
+			rci->max_avail_unsafe = available;
+
+			rci->highest_mas[available] = mas;
+
+			if (previous_avail) {
+				block_count++;
+				if ((block_count > safe_mas_in_row[start_block]) &&
+				    (!rci->max_avail_safe))
+					rci->max_avail_safe = available - 1;
+			} else {
+				previous_avail = 1;
+				start_block = mas;
+				block_count = 1;
+			}
+		} else {
+			previous_avail = 0;
+		}
+	}
+	if (!rci->max_avail_safe)
+		rci->max_avail_safe = rci->max_avail_unsafe;
+}
+
+static void get_column_descriptors(struct uwb_rsv_alloc_info *ai)
+{
+	unsigned char *bm = ai->bm;
+	struct uwb_rsv_col_info *ci = ai->ci;
+	int col;
+
+	for (col = 1; col < UWB_NUM_ZONES; col++) {
+		uwb_rsv_fill_column_info(bm, col, &ci[col]);
+	}
+}
+
+static int uwb_rsv_find_best_row_alloc(struct uwb_rsv_alloc_info *ai)
+{
+	int n_rows;
+	int max_rows = ai->max_mas / UWB_USABLE_MAS_PER_ROW;
+	int min_rows = ai->min_mas / UWB_USABLE_MAS_PER_ROW;
+	if (ai->min_mas % UWB_USABLE_MAS_PER_ROW)
+		min_rows++;
+	for (n_rows = max_rows; n_rows >= min_rows; n_rows--) {
+		if (n_rows <= ai->ri.free_rows) {
+			ai->ri.used_rows = n_rows;
+			ai->interval = 1; /* row reservation */
+			uwb_rsv_fill_row_alloc(ai);
+			return UWB_RSV_ALLOC_FOUND;
+		}
+	}  
+	return UWB_RSV_ALLOC_NOT_FOUND;
+}
+
+static int uwb_rsv_find_best_col_alloc(struct uwb_rsv_alloc_info *ai, int interval)
+{
+	int n_safe, n_unsafe, n_mas;  
+	int n_column = UWB_NUM_ZONES / interval;
+	int max_per_zone = ai->max_mas / n_column;
+	int min_per_zone = ai->min_mas / n_column;
+
+	if (ai->min_mas % n_column)
+		min_per_zone++;
+
+	if (min_per_zone > UWB_MAS_PER_ZONE) {
+		return UWB_RSV_ALLOC_NOT_FOUND;
+	}
+    
+	if (max_per_zone > UWB_MAS_PER_ZONE) {
+		max_per_zone = UWB_MAS_PER_ZONE;
+	}
+    
+	for (n_mas = max_per_zone; n_mas >= min_per_zone; n_mas--) {
+		if (uwb_rsv_find_best_column_set(ai, interval, 0, n_mas) == UWB_RSV_ALLOC_NOT_FOUND)
+			continue;
+		for (n_safe = n_mas; n_safe >= 0; n_safe--) {
+			n_unsafe = n_mas - n_safe;
+			if (uwb_rsv_find_best_column_set(ai, interval, n_safe, n_unsafe) == UWB_RSV_ALLOC_FOUND) {
+				uwb_rsv_fill_column_alloc(ai);
+				return UWB_RSV_ALLOC_FOUND;
+			}
+		}
+	}
+	return UWB_RSV_ALLOC_NOT_FOUND;
+}
+
+int uwb_rsv_find_best_allocation(struct uwb_rsv *rsv, struct uwb_mas_bm *available, 
+				 struct uwb_mas_bm *result)
+{
+	struct uwb_rsv_alloc_info *ai;
+	int interval;
+	int bit_index;
+
+	ai = kzalloc(sizeof(struct uwb_rsv_alloc_info), GFP_KERNEL);
+	
+	ai->min_mas = rsv->min_mas;
+	ai->max_mas = rsv->max_mas;
+	ai->max_interval = rsv->max_interval;
+
+
+	/* fill the not available vector from the available bm */
+	for (bit_index = 0; bit_index < UWB_NUM_MAS; bit_index++) {
+		if (!test_bit(bit_index, available->bm))
+			ai->bm[bit_index] = UWB_RSV_MAS_NOT_AVAIL;
+	}
+
+	if (ai->max_interval == 1) {
+		get_row_descriptors(ai);
+		if (uwb_rsv_find_best_row_alloc(ai) == UWB_RSV_ALLOC_FOUND)
+			goto alloc_found;
+		else
+			goto alloc_not_found;
+	}
+
+	get_column_descriptors(ai);
+        
+	for (interval = 16; interval >= 2; interval>>=1) {
+		if (interval > ai->max_interval)
+			continue;
+		if (uwb_rsv_find_best_col_alloc(ai, interval) == UWB_RSV_ALLOC_FOUND)
+			goto alloc_found;
+	}
+
+	/* try row reservation if no column is found */
+	get_row_descriptors(ai);
+	if (uwb_rsv_find_best_row_alloc(ai) == UWB_RSV_ALLOC_FOUND)
+		goto alloc_found;
+	else
+		goto alloc_not_found;
+
+  alloc_found:
+	bitmap_zero(result->bm, UWB_NUM_MAS);
+	bitmap_zero(result->unsafe_bm, UWB_NUM_MAS);
+	/* fill the safe and unsafe bitmaps */
+	for (bit_index = 0; bit_index < UWB_NUM_MAS; bit_index++) {
+		if (ai->bm[bit_index] == UWB_RSV_MAS_SAFE)
+			set_bit(bit_index, result->bm);
+		else if (ai->bm[bit_index] == UWB_RSV_MAS_UNSAFE)
+			set_bit(bit_index, result->unsafe_bm);
+	}
+	bitmap_or(result->bm, result->bm, result->unsafe_bm, UWB_NUM_MAS);
+
+	result->safe   = ai->safe_allocated_mases;
+	result->unsafe = ai->unsafe_allocated_mases;
+	
+	kfree(ai);		
+	return UWB_RSV_ALLOC_FOUND;
+  
+  alloc_not_found:
+	kfree(ai);
+	return UWB_RSV_ALLOC_NOT_FOUND;
+}
diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c
index 46b18eec502..36bc3158006 100644
--- a/drivers/uwb/beacon.c
+++ b/drivers/uwb/beacon.c
@@ -22,19 +22,16 @@
  *
  * FIXME: docs
  */
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/kdev_t.h>
-#include "uwb-internal.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
 
-/** Start Beaconing command structure */
+/* Start Beaconing command structure */
 struct uwb_rc_cmd_start_beacon {
 	struct uwb_rccb rccb;
 	__le16 wBPSTOffset;
@@ -119,7 +116,6 @@ int uwb_rc_beacon(struct uwb_rc *rc, int channel, unsigned bpst_offset)
 	int result;
 	struct device *dev = &rc->uwb_dev.dev;
 
-	mutex_lock(&rc->uwb_dev.mutex);
 	if (channel < 0)
 		channel = -1;
 	if (channel == -1)
@@ -128,7 +124,7 @@ int uwb_rc_beacon(struct uwb_rc *rc, int channel, unsigned bpst_offset)
 		/* channel >= 0...dah */
 		result = uwb_rc_start_beacon(rc, bpst_offset, channel);
 		if (result < 0)
-			goto out_up;
+			return result;
 		if (le16_to_cpu(rc->ies->wIELength) > 0) {
 			result = uwb_rc_set_ie(rc, rc->ies);
 			if (result < 0) {
@@ -137,19 +133,12 @@ int uwb_rc_beacon(struct uwb_rc *rc, int channel, unsigned bpst_offset)
 				result = uwb_rc_stop_beacon(rc);
 				channel = -1;
 				bpst_offset = 0;
-			} else
-				result = 0;
+			}
 		}
 	}
 
-	if (result < 0)
-		goto out_up;
-	rc->beaconing = channel;
-
-	uwb_notify(rc, NULL, uwb_bg_joined(rc) ? UWB_NOTIF_BG_JOIN : UWB_NOTIF_BG_LEAVE);
-
-out_up:
-	mutex_unlock(&rc->uwb_dev.mutex);
+	if (result >= 0)
+		rc->beaconing = channel;
 	return result;
 }
 
@@ -168,12 +157,6 @@ out_up:
  * FIXME: use something faster for search than a list
  */
 
-struct uwb_beca uwb_beca = {
-	.list = LIST_HEAD_INIT(uwb_beca.list),
-	.mutex = __MUTEX_INITIALIZER(uwb_beca.mutex)
-};
-
-
 void uwb_bce_kfree(struct kref *_bce)
 {
 	struct uwb_beca_e *bce = container_of(_bce, struct uwb_beca_e, refcnt);
@@ -185,13 +168,11 @@ void uwb_bce_kfree(struct kref *_bce)
 
 /* Find a beacon by dev addr in the cache */
 static
-struct uwb_beca_e *__uwb_beca_find_bydev(const struct uwb_dev_addr *dev_addr)
+struct uwb_beca_e *__uwb_beca_find_bydev(struct uwb_rc *rc,
+					 const struct uwb_dev_addr *dev_addr)
 {
 	struct uwb_beca_e *bce, *next;
-	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
-		d_printf(6, NULL, "looking for addr %02x:%02x in %02x:%02x\n",
-			 dev_addr->data[0], dev_addr->data[1],
-			 bce->dev_addr.data[0], bce->dev_addr.data[1]);
+	list_for_each_entry_safe(bce, next, &rc->uwb_beca.list, node) {
 		if (!memcmp(&bce->dev_addr, dev_addr, sizeof(bce->dev_addr)))
 			goto out;
 	}
@@ -202,10 +183,11 @@ out:
 
 /* Find a beacon by dev addr in the cache */
 static
-struct uwb_beca_e *__uwb_beca_find_bymac(const struct uwb_mac_addr *mac_addr)
+struct uwb_beca_e *__uwb_beca_find_bymac(struct uwb_rc *rc, 
+					 const struct uwb_mac_addr *mac_addr)
 {
 	struct uwb_beca_e *bce, *next;
-	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+	list_for_each_entry_safe(bce, next, &rc->uwb_beca.list, node) {
 		if (!memcmp(bce->mac_addr, mac_addr->data,
 			    sizeof(struct uwb_mac_addr)))
 			goto out;
@@ -229,11 +211,11 @@ struct uwb_dev *uwb_dev_get_by_devaddr(struct uwb_rc *rc,
 	struct uwb_dev *found = NULL;
 	struct uwb_beca_e *bce;
 
-	mutex_lock(&uwb_beca.mutex);
-	bce = __uwb_beca_find_bydev(devaddr);
+	mutex_lock(&rc->uwb_beca.mutex);
+	bce = __uwb_beca_find_bydev(rc, devaddr);
 	if (bce)
 		found = uwb_dev_try_get(rc, bce->uwb_dev);
-	mutex_unlock(&uwb_beca.mutex);
+	mutex_unlock(&rc->uwb_beca.mutex);
 
 	return found;
 }
@@ -249,11 +231,11 @@ struct uwb_dev *uwb_dev_get_by_macaddr(struct uwb_rc *rc,
 	struct uwb_dev *found = NULL;
 	struct uwb_beca_e *bce;
 
-	mutex_lock(&uwb_beca.mutex);
-	bce = __uwb_beca_find_bymac(macaddr);
+	mutex_lock(&rc->uwb_beca.mutex);
+	bce = __uwb_beca_find_bymac(rc, macaddr);
 	if (bce)
 		found = uwb_dev_try_get(rc, bce->uwb_dev);
-	mutex_unlock(&uwb_beca.mutex);
+	mutex_unlock(&rc->uwb_beca.mutex);
 
 	return found;
 }
@@ -274,7 +256,9 @@ static void uwb_beca_e_init(struct uwb_beca_e *bce)
  * @bf:         Beacon frame (part of b, really)
  * @ts_jiffies: Timestamp (in jiffies) when the beacon was received
  */
-struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *be,
+static
+struct uwb_beca_e *__uwb_beca_add(struct uwb_rc *rc,
+				  struct uwb_rc_evt_beacon *be,
 				  struct uwb_beacon_frame *bf,
 				  unsigned long ts_jiffies)
 {
@@ -286,7 +270,7 @@ struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *be,
 	uwb_beca_e_init(bce);
 	bce->ts_jiffies = ts_jiffies;
 	bce->uwb_dev = NULL;
-	list_add(&bce->node, &uwb_beca.list);
+	list_add(&bce->node, &rc->uwb_beca.list);
 	return bce;
 }
 
@@ -295,33 +279,32 @@ struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *be,
  *
  * Remove associated devicest too.
  */
-void uwb_beca_purge(void)
+void uwb_beca_purge(struct uwb_rc *rc)
 {
 	struct uwb_beca_e *bce, *next;
 	unsigned long expires;
 
-	mutex_lock(&uwb_beca.mutex);
-	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+	mutex_lock(&rc->uwb_beca.mutex);
+	list_for_each_entry_safe(bce, next, &rc->uwb_beca.list, node) {
 		expires = bce->ts_jiffies + msecs_to_jiffies(beacon_timeout_ms);
 		if (time_after(jiffies, expires)) {
 			uwbd_dev_offair(bce);
-			list_del(&bce->node);
-			uwb_bce_put(bce);
 		}
 	}
-	mutex_unlock(&uwb_beca.mutex);
+	mutex_unlock(&rc->uwb_beca.mutex);
 }
 
 /* Clean up the whole beacon cache. Called on shutdown */
-void uwb_beca_release(void)
+void uwb_beca_release(struct uwb_rc *rc)
 {
 	struct uwb_beca_e *bce, *next;
-	mutex_lock(&uwb_beca.mutex);
-	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+
+	mutex_lock(&rc->uwb_beca.mutex);
+	list_for_each_entry_safe(bce, next, &rc->uwb_beca.list, node) {
 		list_del(&bce->node);
 		uwb_bce_put(bce);
 	}
-	mutex_unlock(&uwb_beca.mutex);
+	mutex_unlock(&rc->uwb_beca.mutex);
 }
 
 static void uwb_beacon_print(struct uwb_rc *rc, struct uwb_rc_evt_beacon *be,
@@ -349,22 +332,22 @@ ssize_t uwb_bce_print_IEs(struct uwb_dev *uwb_dev, struct uwb_beca_e *bce,
 	ssize_t result = 0;
 	struct uwb_rc_evt_beacon *be;
 	struct uwb_beacon_frame *bf;
-	struct uwb_buf_ctx ctx = {
-		.buf = buf,
-		.bytes = 0,
-		.size = size
-	};
+	int ies_len;
+	struct uwb_ie_hdr *ies;
 
 	mutex_lock(&bce->mutex);
+
 	be = bce->be;
-	if (be == NULL)
-		goto out;
-	bf = (void *) be->BeaconInfo;
-	uwb_ie_for_each(uwb_dev, uwb_ie_dump_hex, &ctx,
-			bf->IEData, be->wBeaconInfoLength - sizeof(*bf));
-	result = ctx.bytes;
-out:
+	if (be) {
+		bf = (struct uwb_beacon_frame *)bce->be->BeaconInfo;
+		ies_len = be->wBeaconInfoLength - sizeof(struct uwb_beacon_frame);
+		ies = (struct uwb_ie_hdr *)bf->IEData;
+
+		result = uwb_ie_dump_hex(ies, ies_len, buf, size);
+	}
+
 	mutex_unlock(&bce->mutex);
+
 	return result;
 }
 
@@ -437,18 +420,18 @@ int uwbd_evt_handle_rc_beacon(struct uwb_event *evt)
 	if (uwb_mac_addr_bcast(&bf->Device_Identifier))
 		return 0;
 
-	mutex_lock(&uwb_beca.mutex);
-	bce = __uwb_beca_find_bymac(&bf->Device_Identifier);
+	mutex_lock(&rc->uwb_beca.mutex);
+	bce = __uwb_beca_find_bymac(rc, &bf->Device_Identifier);
 	if (bce == NULL) {
 		/* Not in there, a new device is pinging */
 		uwb_beacon_print(evt->rc, be, bf);
-		bce = __uwb_beca_add(be, bf, evt->ts_jiffies);
+		bce = __uwb_beca_add(rc, be, bf, evt->ts_jiffies);
 		if (bce == NULL) {
-			mutex_unlock(&uwb_beca.mutex);
+			mutex_unlock(&rc->uwb_beca.mutex);
 			return -ENOMEM;
 		}
 	}
-	mutex_unlock(&uwb_beca.mutex);
+	mutex_unlock(&rc->uwb_beca.mutex);
 
 	mutex_lock(&bce->mutex);
 	/* purge old beacon data */
@@ -588,19 +571,6 @@ error:
 	return result;
 }
 
-/**
- * uwb_bg_joined - is the RC in a beacon group?
- * @rc: the radio controller
- *
- * Returns true if the radio controller is in a beacon group (even if
- * it's the sole member).
- */
-int uwb_bg_joined(struct uwb_rc *rc)
-{
-	return rc->beaconing != -1;
-}
-EXPORT_SYMBOL_GPL(uwb_bg_joined);
-
 /*
  * Print beaconing state.
  */
@@ -619,9 +589,6 @@ static ssize_t uwb_rc_beacon_show(struct device *dev,
 
 /*
  * Start beaconing on the specified channel, or stop beaconing.
- *
- * The BPST offset of when to start searching for a beacon group to
- * join may be specified.
  */
 static ssize_t uwb_rc_beacon_store(struct device *dev,
 				   struct device_attribute *attr,
@@ -630,12 +597,11 @@ static ssize_t uwb_rc_beacon_store(struct device *dev,
 	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
 	struct uwb_rc *rc = uwb_dev->rc;
 	int channel;
-	unsigned bpst_offset = 0;
 	ssize_t result = -EINVAL;
 
-	result = sscanf(buf, "%d %u\n", &channel, &bpst_offset);
+	result = sscanf(buf, "%d", &channel);
 	if (result >= 1)
-		result = uwb_rc_beacon(rc, channel, bpst_offset);
+		result = uwb_radio_force_channel(rc, channel);
 
 	return result < 0 ? result : size;
 }
diff --git a/drivers/uwb/driver.c b/drivers/uwb/driver.c
index 521cdeb8497..da77e41de99 100644
--- a/drivers/uwb/driver.c
+++ b/drivers/uwb/driver.c
@@ -53,7 +53,7 @@
 #include <linux/err.h>
 #include <linux/kdev_t.h>
 #include <linux/random.h>
-#include <linux/uwb/debug.h>
+
 #include "uwb-internal.h"
 
 
@@ -118,7 +118,6 @@ static int __init uwb_subsys_init(void)
 	result = class_register(&uwb_rc_class);
 	if (result < 0)
 		goto error_uwb_rc_class_register;
-	uwbd_start();
 	uwb_dbg_init();
 	return 0;
 
@@ -132,7 +131,6 @@ module_init(uwb_subsys_init);
 static void __exit uwb_subsys_exit(void)
 {
 	uwb_dbg_exit();
-	uwbd_stop();
 	class_unregister(&uwb_rc_class);
 	uwb_est_destroy();
 	return;
diff --git a/drivers/uwb/drp-avail.c b/drivers/uwb/drp-avail.c
index 3febd855280..40a540a5a72 100644
--- a/drivers/uwb/drp-avail.c
+++ b/drivers/uwb/drp-avail.c
@@ -58,7 +58,7 @@ void uwb_drp_avail_init(struct uwb_rc *rc)
  *
  * avail = global & local & pending
  */
-static void uwb_drp_available(struct uwb_rc *rc, struct uwb_mas_bm *avail)
+void uwb_drp_available(struct uwb_rc *rc, struct uwb_mas_bm *avail)
 {
 	bitmap_and(avail->bm, rc->drp_avail.global, rc->drp_avail.local, UWB_NUM_MAS);
 	bitmap_and(avail->bm, avail->bm, rc->drp_avail.pending, UWB_NUM_MAS);
@@ -105,6 +105,7 @@ void uwb_drp_avail_release(struct uwb_rc *rc, struct uwb_mas_bm *mas)
 	bitmap_or(rc->drp_avail.local, rc->drp_avail.local, mas->bm, UWB_NUM_MAS);
 	bitmap_or(rc->drp_avail.pending, rc->drp_avail.pending, mas->bm, UWB_NUM_MAS);
 	rc->drp_avail.ie_valid = false;
+	uwb_rsv_handle_drp_avail_change(rc);
 }
 
 /**
@@ -280,6 +281,7 @@ int uwbd_evt_handle_rc_drp_avail(struct uwb_event *evt)
 	mutex_lock(&rc->rsvs_mutex);
 	bitmap_copy(rc->drp_avail.global, bmp, UWB_NUM_MAS);
 	rc->drp_avail.ie_valid = false;
+	uwb_rsv_handle_drp_avail_change(rc);
 	mutex_unlock(&rc->rsvs_mutex);
 
 	uwb_rsv_sched_update(rc);
diff --git a/drivers/uwb/drp-ie.c b/drivers/uwb/drp-ie.c
index 882724c5f12..2840d7bf9e6 100644
--- a/drivers/uwb/drp-ie.c
+++ b/drivers/uwb/drp-ie.c
@@ -16,13 +16,102 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/random.h>
 #include <linux/uwb.h>
 
 #include "uwb-internal.h"
 
+
+/*
+ * Return the reason code for a reservations's DRP IE.
+ */
+int uwb_rsv_reason_code(struct uwb_rsv *rsv)
+{
+	static const int reason_codes[] = {
+		[UWB_RSV_STATE_O_INITIATED]          = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_O_PENDING]            = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_O_MODIFIED]           = UWB_DRP_REASON_MODIFIED,
+		[UWB_RSV_STATE_O_ESTABLISHED]        = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_O_TO_BE_MOVED]        = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_O_MOVE_COMBINING]     = UWB_DRP_REASON_MODIFIED,
+		[UWB_RSV_STATE_O_MOVE_REDUCING]      = UWB_DRP_REASON_MODIFIED,
+		[UWB_RSV_STATE_O_MOVE_EXPANDING]     = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_T_ACCEPTED]           = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_T_CONFLICT]           = UWB_DRP_REASON_CONFLICT,
+		[UWB_RSV_STATE_T_PENDING]            = UWB_DRP_REASON_PENDING,
+		[UWB_RSV_STATE_T_DENIED]             = UWB_DRP_REASON_DENIED,
+		[UWB_RSV_STATE_T_RESIZED]            = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_T_EXPANDING_ACCEPTED] = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_T_EXPANDING_CONFLICT] = UWB_DRP_REASON_CONFLICT,
+		[UWB_RSV_STATE_T_EXPANDING_PENDING]  = UWB_DRP_REASON_PENDING,
+		[UWB_RSV_STATE_T_EXPANDING_DENIED]   = UWB_DRP_REASON_DENIED,
+	};
+
+	return reason_codes[rsv->state];
+}
+
+/*
+ * Return the reason code for a reservations's companion DRP IE .
+ */
+int uwb_rsv_companion_reason_code(struct uwb_rsv *rsv)
+{
+	static const int companion_reason_codes[] = {
+		[UWB_RSV_STATE_O_MOVE_EXPANDING]     = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_T_EXPANDING_ACCEPTED] = UWB_DRP_REASON_ACCEPTED,
+		[UWB_RSV_STATE_T_EXPANDING_CONFLICT] = UWB_DRP_REASON_CONFLICT,
+		[UWB_RSV_STATE_T_EXPANDING_PENDING]  = UWB_DRP_REASON_PENDING,
+		[UWB_RSV_STATE_T_EXPANDING_DENIED]   = UWB_DRP_REASON_DENIED,
+	};
+
+	return companion_reason_codes[rsv->state];
+}
+
+/*
+ * Return the status bit for a reservations's DRP IE.
+ */
+int uwb_rsv_status(struct uwb_rsv *rsv)
+{
+	static const int statuses[] = {
+		[UWB_RSV_STATE_O_INITIATED]          = 0,
+		[UWB_RSV_STATE_O_PENDING]            = 0,
+		[UWB_RSV_STATE_O_MODIFIED]           = 1,
+		[UWB_RSV_STATE_O_ESTABLISHED]        = 1,
+		[UWB_RSV_STATE_O_TO_BE_MOVED]        = 0,
+		[UWB_RSV_STATE_O_MOVE_COMBINING]     = 1,
+		[UWB_RSV_STATE_O_MOVE_REDUCING]      = 1,
+		[UWB_RSV_STATE_O_MOVE_EXPANDING]     = 1,
+		[UWB_RSV_STATE_T_ACCEPTED]           = 1,
+		[UWB_RSV_STATE_T_CONFLICT]           = 0,
+		[UWB_RSV_STATE_T_PENDING]            = 0,
+		[UWB_RSV_STATE_T_DENIED]             = 0,
+		[UWB_RSV_STATE_T_RESIZED]            = 1,
+		[UWB_RSV_STATE_T_EXPANDING_ACCEPTED] = 1,
+		[UWB_RSV_STATE_T_EXPANDING_CONFLICT] = 1,
+		[UWB_RSV_STATE_T_EXPANDING_PENDING]  = 1,
+		[UWB_RSV_STATE_T_EXPANDING_DENIED]   = 1,
+
+	};
+
+	return statuses[rsv->state];
+}
+
+/*
+ * Return the status bit for a reservations's companion DRP IE .
+ */
+int uwb_rsv_companion_status(struct uwb_rsv *rsv)
+{
+	static const int companion_statuses[] = {
+		[UWB_RSV_STATE_O_MOVE_EXPANDING]     = 0,
+		[UWB_RSV_STATE_T_EXPANDING_ACCEPTED] = 1,
+		[UWB_RSV_STATE_T_EXPANDING_CONFLICT] = 0,
+		[UWB_RSV_STATE_T_EXPANDING_PENDING]  = 0,
+		[UWB_RSV_STATE_T_EXPANDING_DENIED]   = 0,
+	};
+
+	return companion_statuses[rsv->state];
+}
+
 /*
  * Allocate a DRP IE.
  *
@@ -34,16 +123,12 @@
 static struct uwb_ie_drp *uwb_drp_ie_alloc(void)
 {
 	struct uwb_ie_drp *drp_ie;
-	unsigned tiebreaker;
 
 	drp_ie = kzalloc(sizeof(struct uwb_ie_drp) +
 			UWB_NUM_ZONES * sizeof(struct uwb_drp_alloc),
 			GFP_KERNEL);
 	if (drp_ie) {
 		drp_ie->hdr.element_id = UWB_IE_DRP;
-
-		get_random_bytes(&tiebreaker, sizeof(unsigned));
-		uwb_ie_drp_set_tiebreaker(drp_ie, tiebreaker & 1);
 	}
 	return drp_ie;
 }
@@ -104,43 +189,17 @@ static void uwb_drp_ie_from_bm(struct uwb_ie_drp *drp_ie,
  */
 int uwb_drp_ie_update(struct uwb_rsv *rsv)
 {
-	struct device *dev = &rsv->rc->uwb_dev.dev;
 	struct uwb_ie_drp *drp_ie;
-	int reason_code, status;
+	struct uwb_rsv_move *mv;
+	int unsafe;
 
-	switch (rsv->state) {
-	case UWB_RSV_STATE_NONE:
+	if (rsv->state == UWB_RSV_STATE_NONE) {
 		kfree(rsv->drp_ie);
 		rsv->drp_ie = NULL;
 		return 0;
-	case UWB_RSV_STATE_O_INITIATED:
-		reason_code = UWB_DRP_REASON_ACCEPTED;
-		status = 0;
-		break;
-	case UWB_RSV_STATE_O_PENDING:
-		reason_code = UWB_DRP_REASON_ACCEPTED;
-		status = 0;
-		break;
-	case UWB_RSV_STATE_O_MODIFIED:
-		reason_code = UWB_DRP_REASON_MODIFIED;
-		status = 1;
-		break;
-	case UWB_RSV_STATE_O_ESTABLISHED:
-		reason_code = UWB_DRP_REASON_ACCEPTED;
-		status = 1;
-		break;
-	case UWB_RSV_STATE_T_ACCEPTED:
-		reason_code = UWB_DRP_REASON_ACCEPTED;
-		status = 1;
-		break;
-	case UWB_RSV_STATE_T_DENIED:
-		reason_code = UWB_DRP_REASON_DENIED;
-		status = 0;
-		break;
-	default:
-		dev_dbg(dev, "rsv with unhandled state (%d)\n", rsv->state);
-		return -EINVAL;
 	}
+	
+	unsafe = rsv->mas.unsafe ? 1 : 0;
 
 	if (rsv->drp_ie == NULL) {
 		rsv->drp_ie = uwb_drp_ie_alloc();
@@ -149,9 +208,11 @@ int uwb_drp_ie_update(struct uwb_rsv *rsv)
 	}
 	drp_ie = rsv->drp_ie;
 
+	uwb_ie_drp_set_unsafe(drp_ie,       unsafe);
+	uwb_ie_drp_set_tiebreaker(drp_ie,   rsv->tiebreaker);
 	uwb_ie_drp_set_owner(drp_ie,        uwb_rsv_is_owner(rsv));
-	uwb_ie_drp_set_status(drp_ie,       status);
-	uwb_ie_drp_set_reason_code(drp_ie,  reason_code);
+	uwb_ie_drp_set_status(drp_ie,       uwb_rsv_status(rsv));
+	uwb_ie_drp_set_reason_code(drp_ie,  uwb_rsv_reason_code(rsv));
 	uwb_ie_drp_set_stream_index(drp_ie, rsv->stream);
 	uwb_ie_drp_set_type(drp_ie,         rsv->type);
 
@@ -169,6 +230,27 @@ int uwb_drp_ie_update(struct uwb_rsv *rsv)
 
 	uwb_drp_ie_from_bm(drp_ie, &rsv->mas);
 
+	if (uwb_rsv_has_two_drp_ies(rsv)) {
+		mv = &rsv->mv; 
+		if (mv->companion_drp_ie == NULL) {
+			mv->companion_drp_ie = uwb_drp_ie_alloc();
+			if (mv->companion_drp_ie == NULL)
+				return -ENOMEM;
+		}
+		drp_ie = mv->companion_drp_ie;
+		
+		/* keep all the same configuration of the main drp_ie */
+		memcpy(drp_ie, rsv->drp_ie, sizeof(struct uwb_ie_drp));
+		
+
+		/* FIXME: handle properly the unsafe bit */
+		uwb_ie_drp_set_unsafe(drp_ie,       1);
+		uwb_ie_drp_set_status(drp_ie,       uwb_rsv_companion_status(rsv));
+		uwb_ie_drp_set_reason_code(drp_ie,  uwb_rsv_companion_reason_code(rsv));
+	
+		uwb_drp_ie_from_bm(drp_ie, &mv->companion_mas);
+	}
+
 	rsv->ie_valid = true;
 	return 0;
 }
@@ -219,6 +301,8 @@ void uwb_drp_ie_to_bm(struct uwb_mas_bm *bm, const struct uwb_ie_drp *drp_ie)
 	u8 zone;
 	u16 zone_mask;
 
+	bitmap_zero(bm->bm, UWB_NUM_MAS);
+
 	for (cnt = 0; cnt < numallocs; cnt++) {
 		alloc = &drp_ie->allocs[cnt];
 		zone_bm = le16_to_cpu(alloc->zone_bm);
@@ -230,3 +314,4 @@ void uwb_drp_ie_to_bm(struct uwb_mas_bm *bm, const struct uwb_ie_drp *drp_ie)
 		}
 	}
 }
+
diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c
index c0b1e5e2bd0..2b4f9406789 100644
--- a/drivers/uwb/drp.c
+++ b/drivers/uwb/drp.c
@@ -23,6 +23,59 @@
 #include <linux/delay.h>
 #include "uwb-internal.h"
 
+
+/* DRP Conflict Actions ([ECMA-368 2nd Edition] 17.4.6) */
+enum uwb_drp_conflict_action {
+	/* Reservation is mantained, no action needed */
+	UWB_DRP_CONFLICT_MANTAIN = 0,
+	
+	/* the device shall not transmit frames in conflicting MASs in
+	 * the following superframe. If the device is the reservation
+	 * target, it shall also set the Reason Code in its DRP IE to
+	 * Conflict in its beacon in the following superframe.
+	 */
+	UWB_DRP_CONFLICT_ACT1,
+	
+	/* the device shall not set the Reservation Status bit to ONE
+	 * and shall not transmit frames in conflicting MASs. If the
+	 * device is the reservation target, it shall also set the
+	 * Reason Code in its DRP IE to Conflict.
+	 */	
+	UWB_DRP_CONFLICT_ACT2,
+
+	/* the device shall not transmit frames in conflicting MASs in
+	 * the following superframe. It shall remove the conflicting
+	 * MASs from the reservation or set the Reservation Status to
+	 * ZERO in its beacon in the following superframe. If the
+	 * device is the reservation target, it shall also set the
+	 * Reason Code in its DRP IE to Conflict.
+	 */
+	UWB_DRP_CONFLICT_ACT3,
+};
+
+
+static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg,
+				    struct uwb_rceb *reply, ssize_t reply_size)
+{
+	struct uwb_rc_evt_set_drp_ie *r = (struct uwb_rc_evt_set_drp_ie *)reply;
+
+	if (r != NULL) {
+		if (r->bResultCode != UWB_RC_RES_SUCCESS)
+			dev_err(&rc->uwb_dev.dev, "SET-DRP-IE failed: %s (%d)\n",
+				uwb_rc_strerror(r->bResultCode), r->bResultCode);
+	} else
+		dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: timeout\n");
+
+	spin_lock(&rc->rsvs_lock);
+	if (rc->set_drp_ie_pending > 1) {
+		rc->set_drp_ie_pending = 0;
+		uwb_rsv_queue_update(rc);	
+	} else {
+		rc->set_drp_ie_pending = 0;	
+	}
+	spin_unlock(&rc->rsvs_lock);
+}
+
 /**
  * Construct and send the SET DRP IE
  *
@@ -37,28 +90,32 @@
  *
  * A DRP Availability IE is appended.
  *
- * rc->uwb_dev.mutex is held
+ * rc->rsvs_mutex is held
  *
  * FIXME We currently ignore the returned value indicating the remaining space
  * in beacon. This could be used to deny reservation requests earlier if
  * determined that they would cause the beacon space to be exceeded.
  */
-static
-int uwb_rc_gen_send_drp_ie(struct uwb_rc *rc)
+int uwb_rc_send_all_drp_ie(struct uwb_rc *rc)
 {
 	int result;
-	struct device *dev = &rc->uwb_dev.dev;
 	struct uwb_rc_cmd_set_drp_ie *cmd;
-	struct uwb_rc_evt_set_drp_ie reply;
 	struct uwb_rsv *rsv;
+	struct uwb_rsv_move *mv;
 	int num_bytes = 0;
 	u8 *IEDataptr;
 
 	result = -ENOMEM;
 	/* First traverse all reservations to determine memory needed. */
 	list_for_each_entry(rsv, &rc->reservations, rc_node) {
-		if (rsv->drp_ie != NULL)
+		if (rsv->drp_ie != NULL) {
 			num_bytes += rsv->drp_ie->hdr.length + 2;
+			if (uwb_rsv_has_two_drp_ies(rsv) &&
+				(rsv->mv.companion_drp_ie != NULL)) {
+				mv = &rsv->mv;
+				num_bytes += mv->companion_drp_ie->hdr.length + 2;	
+			}
+		}
 	}
 	num_bytes += sizeof(rc->drp_avail.ie);
 	cmd = kzalloc(sizeof(*cmd) + num_bytes, GFP_KERNEL);
@@ -69,128 +126,322 @@ int uwb_rc_gen_send_drp_ie(struct uwb_rc *rc)
 	cmd->wIELength = num_bytes;
 	IEDataptr = (u8 *)&cmd->IEData[0];
 
+	/* FIXME: DRV avail IE is not always needed */
+	/* put DRP avail IE first */
+	memcpy(IEDataptr, &rc->drp_avail.ie, sizeof(rc->drp_avail.ie));
+	IEDataptr += sizeof(struct uwb_ie_drp_avail);
+
 	/* Next traverse all reservations to place IEs in allocated memory. */
 	list_for_each_entry(rsv, &rc->reservations, rc_node) {
 		if (rsv->drp_ie != NULL) {
 			memcpy(IEDataptr, rsv->drp_ie,
 			       rsv->drp_ie->hdr.length + 2);
 			IEDataptr += rsv->drp_ie->hdr.length + 2;
+			
+			if (uwb_rsv_has_two_drp_ies(rsv) &&
+				(rsv->mv.companion_drp_ie != NULL)) {
+				mv = &rsv->mv;
+				memcpy(IEDataptr, mv->companion_drp_ie,
+				       mv->companion_drp_ie->hdr.length + 2);
+				IEDataptr += mv->companion_drp_ie->hdr.length + 2;	
+			}
 		}
 	}
-	memcpy(IEDataptr, &rc->drp_avail.ie, sizeof(rc->drp_avail.ie));
 
-	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
-	reply.rceb.wEvent = UWB_RC_CMD_SET_DRP_IE;
-	result = uwb_rc_cmd(rc, "SET-DRP-IE", &cmd->rccb,
-			sizeof(*cmd) + num_bytes, &reply.rceb,
-			sizeof(reply));
-	if (result < 0)
-		goto error_cmd;
-	result = le16_to_cpu(reply.wRemainingSpace);
-	if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
-		dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: command execution "
-				"failed: %s (%d). RemainingSpace in beacon "
-				"= %d\n", uwb_rc_strerror(reply.bResultCode),
-				reply.bResultCode, result);
-		result = -EIO;
-	} else {
-		dev_dbg(dev, "SET-DRP-IE sent. RemainingSpace in beacon "
-			     "= %d.\n", result);
-		result = 0;
-	}
-error_cmd:
+	result = uwb_rc_cmd_async(rc, "SET-DRP-IE", &cmd->rccb, sizeof(*cmd) + num_bytes,
+				  UWB_RC_CET_GENERAL, UWB_RC_CMD_SET_DRP_IE,
+				  uwb_rc_set_drp_cmd_done, NULL);
+	
+	rc->set_drp_ie_pending = 1;
+
 	kfree(cmd);
 error:
 	return result;
-
 }
-/**
- * Send all DRP IEs associated with this host
- *
- * @returns:    >= 0 number of bytes still available in the beacon
- *              < 0 errno code on error.
+
+/*
+ * Evaluate the action to perform using conflict resolution rules
  *
- * As per the protocol we obtain the host controller device lock to access
- * bandwidth structures.
+ * Return a uwb_drp_conflict_action.
  */
-int uwb_rc_send_all_drp_ie(struct uwb_rc *rc)
+static int evaluate_conflict_action(struct uwb_ie_drp *ext_drp_ie, int ext_beacon_slot,
+				    struct uwb_rsv *rsv, int our_status)
 {
-	int result;
+	int our_tie_breaker = rsv->tiebreaker;
+	int our_type        = rsv->type;
+	int our_beacon_slot = rsv->rc->uwb_dev.beacon_slot;
+
+	int ext_tie_breaker = uwb_ie_drp_tiebreaker(ext_drp_ie);
+	int ext_status      = uwb_ie_drp_status(ext_drp_ie);
+	int ext_type        = uwb_ie_drp_type(ext_drp_ie);
+	
+	
+	/* [ECMA-368 2nd Edition] 17.4.6 */
+	if (ext_type == UWB_DRP_TYPE_PCA && our_type == UWB_DRP_TYPE_PCA) {
+		return UWB_DRP_CONFLICT_MANTAIN;
+	}
 
-	mutex_lock(&rc->uwb_dev.mutex);
-	result = uwb_rc_gen_send_drp_ie(rc);
-	mutex_unlock(&rc->uwb_dev.mutex);
-	return result;
+	/* [ECMA-368 2nd Edition] 17.4.6-1 */
+	if (our_type == UWB_DRP_TYPE_ALIEN_BP) {
+		return UWB_DRP_CONFLICT_MANTAIN;
+	}
+	
+	/* [ECMA-368 2nd Edition] 17.4.6-2 */
+	if (ext_type == UWB_DRP_TYPE_ALIEN_BP) {
+		/* here we know our_type != UWB_DRP_TYPE_ALIEN_BP */
+		return UWB_DRP_CONFLICT_ACT1;
+	}
+
+	/* [ECMA-368 2nd Edition] 17.4.6-3 */
+	if (our_status == 0 && ext_status == 1) {
+		return UWB_DRP_CONFLICT_ACT2;
+	}
+
+	/* [ECMA-368 2nd Edition] 17.4.6-4 */
+	if (our_status == 1 && ext_status == 0) {
+		return UWB_DRP_CONFLICT_MANTAIN;
+	}
+
+	/* [ECMA-368 2nd Edition] 17.4.6-5a */
+	if (our_tie_breaker == ext_tie_breaker &&
+	    our_beacon_slot <  ext_beacon_slot) {
+		return UWB_DRP_CONFLICT_MANTAIN;
+	}
+
+	/* [ECMA-368 2nd Edition] 17.4.6-5b */
+	if (our_tie_breaker != ext_tie_breaker &&
+	    our_beacon_slot >  ext_beacon_slot) {
+		return UWB_DRP_CONFLICT_MANTAIN;
+	}
+	
+	if (our_status == 0) {
+		if (our_tie_breaker == ext_tie_breaker) {
+			/* [ECMA-368 2nd Edition] 17.4.6-6a */
+			if (our_beacon_slot > ext_beacon_slot) {
+				return UWB_DRP_CONFLICT_ACT2;
+			}
+		} else  {
+			/* [ECMA-368 2nd Edition] 17.4.6-6b */
+			if (our_beacon_slot < ext_beacon_slot) {
+				return UWB_DRP_CONFLICT_ACT2;
+			}
+		}
+	} else {
+		if (our_tie_breaker == ext_tie_breaker) {
+			/* [ECMA-368 2nd Edition] 17.4.6-7a */
+			if (our_beacon_slot > ext_beacon_slot) {
+				return UWB_DRP_CONFLICT_ACT3;
+			}
+		} else {
+			/* [ECMA-368 2nd Edition] 17.4.6-7b */
+			if (our_beacon_slot < ext_beacon_slot) {
+				return UWB_DRP_CONFLICT_ACT3;
+			}
+		}
+	}
+	return UWB_DRP_CONFLICT_MANTAIN;
 }
 
-void uwb_drp_handle_timeout(struct uwb_rsv *rsv)
+static void handle_conflict_normal(struct uwb_ie_drp *drp_ie, 
+				   int ext_beacon_slot, 
+				   struct uwb_rsv *rsv, 
+				   struct uwb_mas_bm *conflicting_mas)
 {
-	struct device *dev = &rsv->rc->uwb_dev.dev;
+	struct uwb_rc *rc = rsv->rc;
+	struct uwb_rsv_move *mv = &rsv->mv;
+	struct uwb_drp_backoff_win *bow = &rc->bow;
+	int action;
+
+	action = evaluate_conflict_action(drp_ie, ext_beacon_slot, rsv, uwb_rsv_status(rsv));
+
+	if (uwb_rsv_is_owner(rsv)) {
+		switch(action) {
+		case UWB_DRP_CONFLICT_ACT2:
+			/* try move */
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_TO_BE_MOVED);
+			if (bow->can_reserve_extra_mases == false)
+				uwb_rsv_backoff_win_increment(rc);
+			
+			break;
+		case UWB_DRP_CONFLICT_ACT3:
+			uwb_rsv_backoff_win_increment(rc);
+			/* drop some mases with reason modified */
+			/* put in the companion the mases to be dropped */
+			bitmap_and(mv->companion_mas.bm, rsv->mas.bm, conflicting_mas->bm, UWB_NUM_MAS);
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MODIFIED);
+		default:
+			break;
+		}
+	} else {
+		switch(action) {
+		case UWB_DRP_CONFLICT_ACT2:
+		case UWB_DRP_CONFLICT_ACT3:
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_CONFLICT);	
+		default:
+			break;
+		}
 
-	dev_dbg(dev, "reservation timeout in state %s (%d)\n",
-		uwb_rsv_state_str(rsv->state), rsv->state);
+	}
+	
+}
 
-	switch (rsv->state) {
-	case UWB_RSV_STATE_O_INITIATED:
-		if (rsv->is_multicast) {
-			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
-			return;
+static void handle_conflict_expanding(struct uwb_ie_drp *drp_ie, int ext_beacon_slot,
+				      struct uwb_rsv *rsv, bool companion_only,
+				      struct uwb_mas_bm *conflicting_mas)
+{
+	struct uwb_rc *rc = rsv->rc;
+	struct uwb_drp_backoff_win *bow = &rc->bow;
+	struct uwb_rsv_move *mv = &rsv->mv;
+	int action;
+	
+	if (companion_only) {
+		/* status of companion is 0 at this point */
+		action = evaluate_conflict_action(drp_ie, ext_beacon_slot, rsv, 0);
+		if (uwb_rsv_is_owner(rsv)) {
+			switch(action) {
+			case UWB_DRP_CONFLICT_ACT2:
+			case UWB_DRP_CONFLICT_ACT3:
+				uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+				rsv->needs_release_companion_mas = false;
+				if (bow->can_reserve_extra_mases == false)
+					uwb_rsv_backoff_win_increment(rc);
+				uwb_drp_avail_release(rsv->rc, &rsv->mv.companion_mas);
+			}
+		} else { /* rsv is target */			
+			switch(action) {
+			case UWB_DRP_CONFLICT_ACT2:
+			case UWB_DRP_CONFLICT_ACT3:
+				uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_EXPANDING_CONFLICT);
+                                /* send_drp_avail_ie = true; */
+			}
 		}
-		break;
-	case UWB_RSV_STATE_O_ESTABLISHED:
-		if (rsv->is_multicast)
-			return;
-		break;
-	default:
-		break;
+	} else { /* also base part of the reservation is conflicting */		
+		if (uwb_rsv_is_owner(rsv)) {
+			uwb_rsv_backoff_win_increment(rc);
+			/* remove companion part */
+			uwb_drp_avail_release(rsv->rc, &rsv->mv.companion_mas);
+
+			/* drop some mases with reason modified */
+
+			/* put in the companion the mases to be dropped */
+			bitmap_andnot(mv->companion_mas.bm, rsv->mas.bm, conflicting_mas->bm, UWB_NUM_MAS);
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MODIFIED);
+		} else { /* it is a target rsv */
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_CONFLICT);
+                        /* send_drp_avail_ie = true; */
+		}
+	}
+}
+
+static void uwb_drp_handle_conflict_rsv(struct uwb_rc *rc, struct uwb_rsv *rsv,
+					struct uwb_rc_evt_drp *drp_evt, 
+					struct uwb_ie_drp *drp_ie,
+					struct uwb_mas_bm *conflicting_mas)
+{
+	struct uwb_rsv_move *mv;
+
+	/* check if the conflicting reservation has two drp_ies */
+	if (uwb_rsv_has_two_drp_ies(rsv)) {
+		mv = &rsv->mv;
+		if (bitmap_intersects(rsv->mas.bm, conflicting_mas->bm, UWB_NUM_MAS)) {
+			handle_conflict_expanding(drp_ie, drp_evt->beacon_slot_number,
+						  rsv, false, conflicting_mas);
+		} else {
+			if (bitmap_intersects(mv->companion_mas.bm, conflicting_mas->bm, UWB_NUM_MAS)) {
+				handle_conflict_expanding(drp_ie, drp_evt->beacon_slot_number,
+							  rsv, true, conflicting_mas);	
+			}
+		}
+	} else if (bitmap_intersects(rsv->mas.bm, conflicting_mas->bm, UWB_NUM_MAS)) {
+		handle_conflict_normal(drp_ie, drp_evt->beacon_slot_number, rsv, conflicting_mas);
 	}
-	uwb_rsv_remove(rsv);
 }
 
+static void uwb_drp_handle_all_conflict_rsv(struct uwb_rc *rc,
+					    struct uwb_rc_evt_drp *drp_evt, 
+					    struct uwb_ie_drp *drp_ie,
+					    struct uwb_mas_bm *conflicting_mas)
+{
+	struct uwb_rsv *rsv;
+	
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		uwb_drp_handle_conflict_rsv(rc, rsv, drp_evt, drp_ie, conflicting_mas);	
+	}
+}
+	
 /*
  * Based on the DRP IE, transition a target reservation to a new
  * state.
  */
 static void uwb_drp_process_target(struct uwb_rc *rc, struct uwb_rsv *rsv,
-				   struct uwb_ie_drp *drp_ie)
+				   struct uwb_ie_drp *drp_ie, struct uwb_rc_evt_drp *drp_evt)
 {
 	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rsv_move *mv = &rsv->mv;
 	int status;
 	enum uwb_drp_reason reason_code;
-
+	struct uwb_mas_bm mas;
+	
 	status = uwb_ie_drp_status(drp_ie);
 	reason_code = uwb_ie_drp_reason_code(drp_ie);
+	uwb_drp_ie_to_bm(&mas, drp_ie);
 
-	if (status) {
-		switch (reason_code) {
-		case UWB_DRP_REASON_ACCEPTED:
-			uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_ACCEPTED);
-			break;
-		case UWB_DRP_REASON_MODIFIED:
-			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
-				reason_code, status);
+	switch (reason_code) {
+	case UWB_DRP_REASON_ACCEPTED:
+
+		if (rsv->state == UWB_RSV_STATE_T_CONFLICT) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_CONFLICT);
 			break;
-		default:
-			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
-				 reason_code, status);
 		}
-	} else {
-		switch (reason_code) {
-		case UWB_DRP_REASON_ACCEPTED:
-			/* New reservations are handled in uwb_rsv_find(). */
-			break;
-		case UWB_DRP_REASON_DENIED:
-			uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
-			break;
-		case UWB_DRP_REASON_CONFLICT:
-		case UWB_DRP_REASON_MODIFIED:
-			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
-				reason_code, status);
+
+		if (rsv->state == UWB_RSV_STATE_T_EXPANDING_ACCEPTED) {
+			/* drp_ie is companion */
+			if (!bitmap_equal(rsv->mas.bm, mas.bm, UWB_NUM_MAS))
+				/* stroke companion */
+				uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_EXPANDING_ACCEPTED);	
+		} else {
+			if (!bitmap_equal(rsv->mas.bm, mas.bm, UWB_NUM_MAS)) {
+				if (uwb_drp_avail_reserve_pending(rc, &mas) == -EBUSY) {
+					/* FIXME: there is a conflict, find
+					 * the conflicting reservations and
+					 * take a sensible action. Consider
+					 * that in drp_ie there is the
+					 * "neighbour" */
+					uwb_drp_handle_all_conflict_rsv(rc, drp_evt, drp_ie, &mas);
+				} else {
+					/* accept the extra reservation */
+					bitmap_copy(mv->companion_mas.bm, mas.bm, UWB_NUM_MAS);
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_EXPANDING_ACCEPTED);
+				}
+			} else {
+				if (status) {
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_ACCEPTED);
+				}
+			}
+			
+		}
+		break;
+
+	case UWB_DRP_REASON_MODIFIED:
+		/* check to see if we have already modified the reservation */
+		if (bitmap_equal(rsv->mas.bm, mas.bm, UWB_NUM_MAS)) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_ACCEPTED);
 			break;
-		default:
-			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
-				 reason_code, status);
 		}
+
+		/* find if the owner wants to expand or reduce */
+		if (bitmap_subset(mas.bm, rsv->mas.bm, UWB_NUM_MAS)) {
+			/* owner is reducing */
+			bitmap_andnot(mv->companion_mas.bm, rsv->mas.bm, mas.bm, UWB_NUM_MAS);
+			uwb_drp_avail_release(rsv->rc, &mv->companion_mas);
+		}
+
+		bitmap_copy(rsv->mas.bm, mas.bm, UWB_NUM_MAS);
+		uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_RESIZED);
+		break;
+	default:
+		dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
+			 reason_code, status);
 	}
 }
 
@@ -199,23 +450,60 @@ static void uwb_drp_process_target(struct uwb_rc *rc, struct uwb_rsv *rsv,
  * state.
  */
 static void uwb_drp_process_owner(struct uwb_rc *rc, struct uwb_rsv *rsv,
-				  struct uwb_ie_drp *drp_ie)
+				  struct uwb_dev *src, struct uwb_ie_drp *drp_ie,
+				  struct uwb_rc_evt_drp *drp_evt)
 {
 	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rsv_move *mv = &rsv->mv;
 	int status;
 	enum uwb_drp_reason reason_code;
+	struct uwb_mas_bm mas;
 
 	status = uwb_ie_drp_status(drp_ie);
 	reason_code = uwb_ie_drp_reason_code(drp_ie);
+	uwb_drp_ie_to_bm(&mas, drp_ie);
 
 	if (status) {
 		switch (reason_code) {
 		case UWB_DRP_REASON_ACCEPTED:
-			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
-			break;
-		case UWB_DRP_REASON_MODIFIED:
-			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
-				reason_code, status);
+			switch (rsv->state) {
+			case UWB_RSV_STATE_O_PENDING:
+			case UWB_RSV_STATE_O_INITIATED:
+			case UWB_RSV_STATE_O_ESTABLISHED:
+				uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+				break;
+			case UWB_RSV_STATE_O_MODIFIED:
+				if (bitmap_equal(mas.bm, rsv->mas.bm, UWB_NUM_MAS)) {
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+				} else {
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MODIFIED);	
+				}
+				break;
+				
+			case UWB_RSV_STATE_O_MOVE_REDUCING: /* shouldn' t be a problem */
+				if (bitmap_equal(mas.bm, rsv->mas.bm, UWB_NUM_MAS)) {
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+				} else {
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_REDUCING);	
+				}
+				break;
+			case UWB_RSV_STATE_O_MOVE_EXPANDING:
+				if (bitmap_equal(mas.bm, mv->companion_mas.bm, UWB_NUM_MAS)) {
+					/* Companion reservation accepted */
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_COMBINING);
+				} else {
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_EXPANDING);
+				}
+				break;
+			case UWB_RSV_STATE_O_MOVE_COMBINING:
+				if (bitmap_equal(mas.bm, rsv->mas.bm, UWB_NUM_MAS))
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_REDUCING);
+				else
+					uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_COMBINING);
+				break;
+			default:
+				break;	
+			}
 			break;
 		default:
 			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
@@ -230,9 +518,10 @@ static void uwb_drp_process_owner(struct uwb_rc *rc, struct uwb_rsv *rsv,
 			uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
 			break;
 		case UWB_DRP_REASON_CONFLICT:
-		case UWB_DRP_REASON_MODIFIED:
-			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
-				reason_code, status);
+			/* resolve the conflict */
+			bitmap_complement(mas.bm, src->last_availability_bm,
+					  UWB_NUM_MAS);
+			uwb_drp_handle_conflict_rsv(rc, rsv, drp_evt, drp_ie, &mas);
 			break;
 		default:
 			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
@@ -241,12 +530,110 @@ static void uwb_drp_process_owner(struct uwb_rc *rc, struct uwb_rsv *rsv,
 	}
 }
 
+static void uwb_cnflt_alien_stroke_timer(struct uwb_cnflt_alien *cnflt)
+{
+	unsigned timeout_us = UWB_MAX_LOST_BEACONS * UWB_SUPERFRAME_LENGTH_US;
+	mod_timer(&cnflt->timer, jiffies + usecs_to_jiffies(timeout_us));
+}
+
+static void uwb_cnflt_update_work(struct work_struct *work)
+{
+	struct uwb_cnflt_alien *cnflt = container_of(work,
+						     struct uwb_cnflt_alien,
+						     cnflt_update_work);
+	struct uwb_cnflt_alien *c;
+	struct uwb_rc *rc = cnflt->rc;
+	
+	unsigned long delay_us = UWB_MAS_LENGTH_US * UWB_MAS_PER_ZONE;
+	
+	mutex_lock(&rc->rsvs_mutex);
+
+	list_del(&cnflt->rc_node);
+
+	/* update rc global conflicting alien bitmap */
+	bitmap_zero(rc->cnflt_alien_bitmap.bm, UWB_NUM_MAS);
+
+	list_for_each_entry(c, &rc->cnflt_alien_list, rc_node) {
+		bitmap_or(rc->cnflt_alien_bitmap.bm, rc->cnflt_alien_bitmap.bm, c->mas.bm, UWB_NUM_MAS);			
+	}
+	
+	queue_delayed_work(rc->rsv_workq, &rc->rsv_alien_bp_work, usecs_to_jiffies(delay_us));
+
+	kfree(cnflt);
+	mutex_unlock(&rc->rsvs_mutex);
+}
+
+static void uwb_cnflt_timer(unsigned long arg)
+{
+	struct uwb_cnflt_alien *cnflt = (struct uwb_cnflt_alien *)arg;
+
+	queue_work(cnflt->rc->rsv_workq, &cnflt->cnflt_update_work);
+}
+
 /*
- * Process a received DRP IE, it's either for a reservation owned by
- * the RC or targeted at it (or it's for a WUSB cluster reservation).
+ * We have received an DRP_IE of type Alien BP and we need to make
+ * sure we do not transmit in conflicting MASs.
  */
-static void uwb_drp_process(struct uwb_rc *rc, struct uwb_dev *src,
-		     struct uwb_ie_drp *drp_ie)
+static void uwb_drp_handle_alien_drp(struct uwb_rc *rc, struct uwb_ie_drp *drp_ie)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_mas_bm mas;
+	struct uwb_cnflt_alien *cnflt;
+	char buf[72];
+	unsigned long delay_us = UWB_MAS_LENGTH_US * UWB_MAS_PER_ZONE;
+	
+	uwb_drp_ie_to_bm(&mas, drp_ie);
+	bitmap_scnprintf(buf, sizeof(buf), mas.bm, UWB_NUM_MAS);
+	
+	list_for_each_entry(cnflt, &rc->cnflt_alien_list, rc_node) {
+		if (bitmap_equal(cnflt->mas.bm, mas.bm, UWB_NUM_MAS)) {
+			/* Existing alien BP reservation conflicting
+			 * bitmap, just reset the timer */
+			uwb_cnflt_alien_stroke_timer(cnflt);
+			return;
+		}
+	}
+
+	/* New alien BP reservation conflicting bitmap */
+
+	/* alloc and initialize new uwb_cnflt_alien */
+	cnflt = kzalloc(sizeof(struct uwb_cnflt_alien), GFP_KERNEL);
+	if (!cnflt)
+		dev_err(dev, "failed to alloc uwb_cnflt_alien struct\n");
+	INIT_LIST_HEAD(&cnflt->rc_node);
+	init_timer(&cnflt->timer);
+	cnflt->timer.function = uwb_cnflt_timer;
+	cnflt->timer.data     = (unsigned long)cnflt;
+
+	cnflt->rc = rc;
+	INIT_WORK(&cnflt->cnflt_update_work, uwb_cnflt_update_work);
+	
+	bitmap_copy(cnflt->mas.bm, mas.bm, UWB_NUM_MAS);
+
+	list_add_tail(&cnflt->rc_node, &rc->cnflt_alien_list);
+
+	/* update rc global conflicting alien bitmap */
+	bitmap_or(rc->cnflt_alien_bitmap.bm, rc->cnflt_alien_bitmap.bm, mas.bm, UWB_NUM_MAS);
+
+	queue_delayed_work(rc->rsv_workq, &rc->rsv_alien_bp_work, usecs_to_jiffies(delay_us));
+	
+	/* start the timer */
+	uwb_cnflt_alien_stroke_timer(cnflt);
+}
+
+static void uwb_drp_process_not_involved(struct uwb_rc *rc,
+					 struct uwb_rc_evt_drp *drp_evt, 
+					 struct uwb_ie_drp *drp_ie)
+{
+	struct uwb_mas_bm mas;
+	
+	uwb_drp_ie_to_bm(&mas, drp_ie);
+	uwb_drp_handle_all_conflict_rsv(rc, drp_evt, drp_ie, &mas);
+}
+
+static void uwb_drp_process_involved(struct uwb_rc *rc, struct uwb_dev *src,
+				     struct uwb_rc_evt_drp *drp_evt,
+				     struct uwb_ie_drp *drp_ie)
 {
 	struct uwb_rsv *rsv;
 
@@ -259,7 +646,7 @@ static void uwb_drp_process(struct uwb_rc *rc, struct uwb_dev *src,
 		 */
 		return;
 	}
-
+	
 	/*
 	 * Do nothing with DRP IEs for reservations that have been
 	 * terminated.
@@ -268,13 +655,43 @@ static void uwb_drp_process(struct uwb_rc *rc, struct uwb_dev *src,
 		uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
 		return;
 	}
-
+			
 	if (uwb_ie_drp_owner(drp_ie))
-		uwb_drp_process_target(rc, rsv, drp_ie);
+		uwb_drp_process_target(rc, rsv, drp_ie, drp_evt);
+	else
+		uwb_drp_process_owner(rc, rsv, src, drp_ie, drp_evt);
+	
+}
+
+
+static bool uwb_drp_involves_us(struct uwb_rc *rc, struct uwb_ie_drp *drp_ie)
+{
+	return uwb_dev_addr_cmp(&rc->uwb_dev.dev_addr, &drp_ie->dev_addr) == 0;
+}
+
+/*
+ * Process a received DRP IE.
+ */
+static void uwb_drp_process(struct uwb_rc *rc, struct uwb_rc_evt_drp *drp_evt,
+			    struct uwb_dev *src, struct uwb_ie_drp *drp_ie)
+{
+	if (uwb_ie_drp_type(drp_ie) == UWB_DRP_TYPE_ALIEN_BP)
+		uwb_drp_handle_alien_drp(rc, drp_ie);
+	else if (uwb_drp_involves_us(rc, drp_ie))
+		uwb_drp_process_involved(rc, src, drp_evt, drp_ie);
 	else
-		uwb_drp_process_owner(rc, rsv, drp_ie);
+		uwb_drp_process_not_involved(rc, drp_evt, drp_ie);
 }
 
+/*
+ * Process a received DRP Availability IE
+ */
+static void uwb_drp_availability_process(struct uwb_rc *rc, struct uwb_dev *src,
+					 struct uwb_ie_drp_avail *drp_availability_ie)
+{
+	bitmap_copy(src->last_availability_bm,
+		    drp_availability_ie->bmp, UWB_NUM_MAS);
+}
 
 /*
  * Process all the DRP IEs (both DRP IEs and the DRP Availability IE)
@@ -296,10 +713,10 @@ void uwb_drp_process_all(struct uwb_rc *rc, struct uwb_rc_evt_drp *drp_evt,
 
 		switch (ie_hdr->element_id) {
 		case UWB_IE_DRP_AVAILABILITY:
-			/* FIXME: does something need to be done with this? */
+			uwb_drp_availability_process(rc, src_dev, (struct uwb_ie_drp_avail *)ie_hdr);
 			break;
 		case UWB_IE_DRP:
-			uwb_drp_process(rc, src_dev, (struct uwb_ie_drp *)ie_hdr);
+			uwb_drp_process(rc, drp_evt, src_dev, (struct uwb_ie_drp *)ie_hdr);
 			break;
 		default:
 			dev_warn(dev, "unexpected IE in DRP notification\n");
@@ -312,55 +729,6 @@ void uwb_drp_process_all(struct uwb_rc *rc, struct uwb_rc_evt_drp *drp_evt,
 			 (int)ielen);
 }
 
-
-/*
- * Go through all the DRP IEs and find the ones that conflict with our
- * reservations.
- *
- * FIXME: must resolve the conflict according the the rules in
- * [ECMA-368].
- */
-static
-void uwb_drp_process_conflict_all(struct uwb_rc *rc, struct uwb_rc_evt_drp *drp_evt,
-				  size_t ielen, struct uwb_dev *src_dev)
-{
-	struct device *dev = &rc->uwb_dev.dev;
-	struct uwb_ie_hdr *ie_hdr;
-	struct uwb_ie_drp *drp_ie;
-	void *ptr;
-
-	ptr = drp_evt->ie_data;
-	for (;;) {
-		ie_hdr = uwb_ie_next(&ptr, &ielen);
-		if (!ie_hdr)
-			break;
-
-		drp_ie = container_of(ie_hdr, struct uwb_ie_drp, hdr);
-
-		/* FIXME: check if this DRP IE conflicts. */
-	}
-
-	if (ielen > 0)
-		dev_warn(dev, "%d octets remaining in DRP notification\n",
-			 (int)ielen);
-}
-
-
-/*
- * Terminate all reservations owned by, or targeted at, 'uwb_dev'.
- */
-static void uwb_drp_terminate_all(struct uwb_rc *rc, struct uwb_dev *uwb_dev)
-{
-	struct uwb_rsv *rsv;
-
-	list_for_each_entry(rsv, &rc->reservations, rc_node) {
-		if (rsv->owner == uwb_dev
-		    || (rsv->target.type == UWB_RSV_TARGET_DEV && rsv->target.dev == uwb_dev))
-			uwb_rsv_remove(rsv);
-	}
-}
-
-
 /**
  * uwbd_evt_handle_rc_drp - handle a DRP_IE event
  * @evt: the DRP_IE event from the radio controller
@@ -401,7 +769,6 @@ int uwbd_evt_handle_rc_drp(struct uwb_event *evt)
 	size_t ielength, bytes_left;
 	struct uwb_dev_addr src_addr;
 	struct uwb_dev *src_dev;
-	int reason;
 
 	/* Is there enough data to decode the event (and any IEs in
 	   its payload)? */
@@ -437,22 +804,8 @@ int uwbd_evt_handle_rc_drp(struct uwb_event *evt)
 
 	mutex_lock(&rc->rsvs_mutex);
 
-	reason = uwb_rc_evt_drp_reason(drp_evt);
-
-	switch (reason) {
-	case UWB_DRP_NOTIF_DRP_IE_RCVD:
-		uwb_drp_process_all(rc, drp_evt, ielength, src_dev);
-		break;
-	case UWB_DRP_NOTIF_CONFLICT:
-		uwb_drp_process_conflict_all(rc, drp_evt, ielength, src_dev);
-		break;
-	case UWB_DRP_NOTIF_TERMINATE:
-		uwb_drp_terminate_all(rc, src_dev);
-		break;
-	default:
-		dev_warn(dev, "ignored DRP event with reason code: %d\n", reason);
-		break;
-	}
+	/* We do not distinguish from the reason */
+	uwb_drp_process_all(rc, drp_evt, ielength, src_dev);
 
 	mutex_unlock(&rc->rsvs_mutex);
 
diff --git a/drivers/uwb/est.c b/drivers/uwb/est.c
index 5fe566b7c84..328fcc2b609 100644
--- a/drivers/uwb/est.c
+++ b/drivers/uwb/est.c
@@ -40,10 +40,8 @@
  *   uwb_est_get_size()
  */
 #include <linux/spinlock.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-#include "uwb-internal.h"
 
+#include "uwb-internal.h"
 
 struct uwb_est {
 	u16 type_event_high;
@@ -52,7 +50,6 @@ struct uwb_est {
 	const struct uwb_est_entry *entry;
 };
 
-
 static struct uwb_est *uwb_est;
 static u8 uwb_est_size;
 static u8 uwb_est_used;
@@ -440,21 +437,12 @@ ssize_t uwb_est_find_size(struct uwb_rc *rc, const struct uwb_rceb *rceb,
 	u8 *ptr = (u8 *) rceb;
 
 	read_lock_irqsave(&uwb_est_lock, flags);
-	d_printf(2, dev, "Size query for event 0x%02x/%04x/%02x,"
-		 " buffer size %ld\n",
-		 (unsigned) rceb->bEventType,
-		 (unsigned) le16_to_cpu(rceb->wEvent),
-		 (unsigned) rceb->bEventContext,
-		 (long) rceb_size);
 	size = -ENOSPC;
 	if (rceb_size < sizeof(*rceb))
 		goto out;
 	event = le16_to_cpu(rceb->wEvent);
 	type_event_high = rceb->bEventType << 8 | (event & 0xff00) >> 8;
 	for (itr = 0; itr < uwb_est_used; itr++) {
-		d_printf(3, dev, "Checking EST 0x%04x/%04x/%04x\n",
-			uwb_est[itr].type_event_high, uwb_est[itr].vendor,
-			uwb_est[itr].product);
 		if (uwb_est[itr].type_event_high != type_event_high)
 			continue;
 		size = uwb_est_get_size(rc, &uwb_est[itr],
diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 3d26fa0f8ae..559f8784acf 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -51,16 +51,14 @@
  *
  *
  */
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/usb.h>
 #include <linux/usb/wusb.h>
 #include <linux/usb/wusb-wa.h>
 #include <linux/uwb.h>
+
 #include "uwb-internal.h"
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
 
 /* The device uses commands and events from the WHCI specification, although
  * reporting itself as WUSB compliant. */
@@ -631,17 +629,13 @@ void hwarc_neep_cb(struct urb *urb)
 
 	switch (result = urb->status) {
 	case 0:
-		d_printf(3, dev, "NEEP: receive stat %d, %zu bytes\n",
-			 urb->status, (size_t)urb->actual_length);
 		uwb_rc_neh_grok(hwarc->uwb_rc, urb->transfer_buffer,
 				urb->actual_length);
 		break;
 	case -ECONNRESET:	/* Not an error, but a controlled situation; */
 	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
-		d_printf(2, dev, "NEEP: URB reset/noent %d\n", urb->status);
 		goto out;
 	case -ESHUTDOWN:	/* going away! */
-		d_printf(2, dev, "NEEP: URB down %d\n", urb->status);
 		goto out;
 	default:		/* On general errors, retry unless it gets ugly */
 		if (edc_inc(&hwarc->neep_edc, EDC_MAX_ERRORS,
@@ -650,7 +644,6 @@ void hwarc_neep_cb(struct urb *urb)
 		dev_err(dev, "NEEP: URB error %d\n", urb->status);
 	}
 	result = usb_submit_urb(urb, GFP_ATOMIC);
-	d_printf(3, dev, "NEEP: submit %d\n", result);
 	if (result < 0) {
 		dev_err(dev, "NEEP: Can't resubmit URB (%d) resetting device\n",
 			result);
@@ -759,11 +752,11 @@ static int hwarc_get_version(struct uwb_rc *rc)
 	itr_size = le16_to_cpu(usb_dev->actconfig->desc.wTotalLength);
 	while (itr_size >= sizeof(*hdr)) {
 		hdr = (struct usb_descriptor_header *) itr;
-		d_printf(3, dev, "Extra device descriptor: "
-			 "type %02x/%u bytes @ %zu (%zu left)\n",
-			 hdr->bDescriptorType, hdr->bLength,
-			 (itr - usb_dev->rawdescriptors[actconfig_idx]),
-			 itr_size);
+		dev_dbg(dev, "Extra device descriptor: "
+			"type %02x/%u bytes @ %zu (%zu left)\n",
+			hdr->bDescriptorType, hdr->bLength,
+			(itr - usb_dev->rawdescriptors[actconfig_idx]),
+			itr_size);
 		if (hdr->bDescriptorType == USB_DT_CS_RADIO_CONTROL)
 			goto found;
 		itr += hdr->bLength;
@@ -795,8 +788,7 @@ found:
 		goto error;
 	}
 	rc->version = version;
-	d_printf(3, dev, "Device supports WUSB protocol version 0x%04x \n",
-		 rc->version);
+	dev_dbg(dev, "Device supports WUSB protocol version 0x%04x \n",	rc->version);
 	result = 0;
 error:
 	return result;
@@ -877,11 +869,28 @@ static void hwarc_disconnect(struct usb_interface *iface)
 	uwb_rc_rm(uwb_rc);
 	usb_put_intf(hwarc->usb_iface);
 	usb_put_dev(hwarc->usb_dev);
-	d_printf(1, &hwarc->usb_iface->dev, "freed hwarc %p\n", hwarc);
 	kfree(hwarc);
 	uwb_rc_put(uwb_rc);	/* when creating the device, refcount = 1 */
 }
 
+static int hwarc_pre_reset(struct usb_interface *iface)
+{
+	struct hwarc *hwarc = usb_get_intfdata(iface);
+	struct uwb_rc *uwb_rc = hwarc->uwb_rc;
+
+	uwb_rc_pre_reset(uwb_rc);
+	return 0;
+}
+
+static int hwarc_post_reset(struct usb_interface *iface)
+{
+	struct hwarc *hwarc = usb_get_intfdata(iface);
+	struct uwb_rc *uwb_rc = hwarc->uwb_rc;
+
+	uwb_rc_post_reset(uwb_rc);
+	return 0;
+}
+
 /** USB device ID's that we handle */
 static struct usb_device_id hwarc_id_table[] = {
 	/* D-Link DUB-1210 */
@@ -898,20 +907,16 @@ MODULE_DEVICE_TABLE(usb, hwarc_id_table);
 
 static struct usb_driver hwarc_driver = {
 	.name =		"hwa-rc",
+	.id_table =	hwarc_id_table,
 	.probe =	hwarc_probe,
 	.disconnect =	hwarc_disconnect,
-	.id_table =	hwarc_id_table,
+	.pre_reset =    hwarc_pre_reset,
+	.post_reset =   hwarc_post_reset,
 };
 
 static int __init hwarc_driver_init(void)
 {
-	int result;
-	result = usb_register(&hwarc_driver);
-	if (result < 0)
-		printk(KERN_ERR "HWA-RC: Cannot register USB driver: %d\n",
-		       result);
-	return result;
-
+	return usb_register(&hwarc_driver);
 }
 module_init(hwarc_driver_init);
 
diff --git a/drivers/uwb/i1480/dfu/dfu.c b/drivers/uwb/i1480/dfu/dfu.c
index 9097b3b3038..da7b1d08003 100644
--- a/drivers/uwb/i1480/dfu/dfu.c
+++ b/drivers/uwb/i1480/dfu/dfu.c
@@ -34,10 +34,7 @@
 #include <linux/uwb.h>
 #include <linux/random.h>
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
-/**
+/*
  * i1480_rceb_check - Check RCEB for expected field values
  * @i1480: pointer to device for which RCEB is being checked
  * @rceb: RCEB being checked
@@ -83,7 +80,7 @@ int i1480_rceb_check(const struct i1480 *i1480, const struct uwb_rceb *rceb,
 EXPORT_SYMBOL_GPL(i1480_rceb_check);
 
 
-/**
+/*
  * Execute a Radio Control Command
  *
  * Command data has to be in i1480->cmd_buf.
@@ -101,7 +98,6 @@ ssize_t i1480_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size,
 	u8 expected_type = reply->bEventType;
 	u8 context;
 
-	d_fnstart(3, i1480->dev, "(%p, %s, %zu)\n", i1480, cmd_name, cmd_size);
 	init_completion(&i1480->evt_complete);
 	i1480->evt_result = -EINPROGRESS;
 	do {
@@ -150,8 +146,6 @@ ssize_t i1480_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size,
 	result = i1480_rceb_check(i1480, i1480->evt_buf, cmd_name, context,
 				  expected_type, expected_event);
 error:
-	d_fnend(3, i1480->dev, "(%p, %s, %zu) = %zd\n",
-		i1480, cmd_name, cmd_size, result);
 	return result;
 }
 EXPORT_SYMBOL_GPL(i1480_cmd);
diff --git a/drivers/uwb/i1480/dfu/mac.c b/drivers/uwb/i1480/dfu/mac.c
index 2e4d8f07c16..694d0daf88a 100644
--- a/drivers/uwb/i1480/dfu/mac.c
+++ b/drivers/uwb/i1480/dfu/mac.c
@@ -31,9 +31,6 @@
 #include <linux/uwb.h>
 #include "i1480-dfu.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
 /*
  * Descriptor for a continuous segment of MAC fw data
  */
@@ -184,10 +181,6 @@ ssize_t i1480_fw_cmp(struct i1480 *i1480, struct fw_hdr *hdr)
 		}
 		if (memcmp(i1480->cmd_buf, bin + src_itr, result)) {
 			u8 *buf = i1480->cmd_buf;
-			d_printf(2, i1480->dev,
-				 "original data @ %p + %u, %zu bytes\n",
-				 bin, src_itr, result);
-			d_dump(4, i1480->dev, bin + src_itr, result);
 			for (cnt = 0; cnt < result; cnt++)
 				if (bin[src_itr + cnt] != buf[cnt]) {
 					dev_err(i1480->dev, "byte failed at "
@@ -224,7 +217,6 @@ int mac_fw_hdrs_push(struct i1480 *i1480, struct fw_hdr *hdr,
 	struct fw_hdr *hdr_itr;
 	int verif_retry_count;
 
-	d_fnstart(3, dev, "(%p, %p)\n", i1480, hdr);
 	/* Now, header by header, push them to the hw */
 	for (hdr_itr = hdr; hdr_itr != NULL; hdr_itr = hdr_itr->next) {
 		verif_retry_count = 0;
@@ -264,7 +256,6 @@ retry:
 			break;
 		}
 	}
-	d_fnend(3, dev, "(%zd)\n", result);
 	return result;
 }
 
@@ -337,11 +328,9 @@ int __mac_fw_upload(struct i1480 *i1480, const char *fw_name,
 	const struct firmware *fw;
 	struct fw_hdr *fw_hdrs;
 
-	d_fnstart(3, i1480->dev, "(%p, %s, %s)\n", i1480, fw_name, fw_tag);
 	result = request_firmware(&fw, fw_name, i1480->dev);
 	if (result < 0)	/* Up to caller to complain on -ENOENT */
 		goto out;
-	d_printf(3, i1480->dev, "%s fw '%s': uploading\n", fw_tag, fw_name);
 	result = fw_hdrs_load(i1480, &fw_hdrs, fw->data, fw->size);
 	if (result < 0) {
 		dev_err(i1480->dev, "%s fw '%s': failed to parse firmware "
@@ -363,8 +352,6 @@ out_hdrs_release:
 out_release:
 	release_firmware(fw);
 out:
-	d_fnend(3, i1480->dev, "(%p, %s, %s) = %d\n", i1480, fw_name, fw_tag,
-		result);
 	return result;
 }
 
@@ -433,7 +420,6 @@ int i1480_fw_is_running_q(struct i1480 *i1480)
 	int result;
 	u32 *val = (u32 *) i1480->cmd_buf;
 
-	d_fnstart(3, i1480->dev, "(i1480 %p)\n", i1480);
 	for (cnt = 0; cnt < 10; cnt++) {
 		msleep(100);
 		result = i1480->read(i1480, 0x80080000, 4);
@@ -447,7 +433,6 @@ int i1480_fw_is_running_q(struct i1480 *i1480)
 	dev_err(i1480->dev, "Timed out waiting for fw to start\n");
 	result = -ETIMEDOUT;
 out:
-	d_fnend(3, i1480->dev, "(i1480 %p) = %d\n", i1480, result);
 	return result;
 
 }
@@ -467,7 +452,6 @@ int i1480_mac_fw_upload(struct i1480 *i1480)
 	int result = 0, deprecated_name = 0;
 	struct i1480_rceb *rcebe = (void *) i1480->evt_buf;
 
-	d_fnstart(3, i1480->dev, "(%p)\n", i1480);
 	result = __mac_fw_upload(i1480, i1480->mac_fw_name, "MAC");
 	if (result == -ENOENT) {
 		result = __mac_fw_upload(i1480, i1480->mac_fw_name_deprecate,
@@ -501,7 +485,6 @@ int i1480_mac_fw_upload(struct i1480 *i1480)
 		dev_err(i1480->dev, "MAC fw '%s': initialization event returns "
 			"wrong size (%zu bytes vs %zu needed)\n",
 			i1480->mac_fw_name, i1480->evt_result, sizeof(*rcebe));
-		dump_bytes(i1480->dev, rcebe, min(i1480->evt_result, (ssize_t)32));
 		goto error_size;
 	}
 	result = -EIO;
@@ -522,6 +505,5 @@ error_fw_not_running:
 error_init_timeout:
 error_size:
 error_setup:
-	d_fnend(3, i1480->dev, "(i1480 %p) = %d\n", i1480, result);
 	return result;
 }
diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c
index 98eeeff051a..686795e9719 100644
--- a/drivers/uwb/i1480/dfu/usb.c
+++ b/drivers/uwb/i1480/dfu/usb.c
@@ -35,7 +35,6 @@
  * the functions are i1480_usb_NAME().
  */
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/usb.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
@@ -44,10 +43,6 @@
 #include <linux/usb/wusb-wa.h>
 #include "i1480-dfu.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
-
 struct i1480_usb {
 	struct i1480 i1480;
 	struct usb_device *usb_dev;
@@ -118,8 +113,6 @@ int i1480_usb_write(struct i1480 *i1480, u32 memory_address,
 	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
 	size_t buffer_size, itr = 0;
 
-	d_fnstart(3, i1480->dev, "(%p, 0x%08x, %p, %zu)\n",
-		  i1480, memory_address, buffer, size);
 	BUG_ON(size & 0x3); /* Needs to be a multiple of 4 */
 	while (size > 0) {
 		buffer_size = size < i1480->buf_size ? size : i1480->buf_size;
@@ -132,16 +125,10 @@ int i1480_usb_write(struct i1480 *i1480, u32 memory_address,
 			i1480->cmd_buf, buffer_size, 100 /* FIXME: arbitrary */);
 		if (result < 0)
 			break;
-		d_printf(3, i1480->dev,
-			 "wrote @ 0x%08x %u bytes (of %zu bytes requested)\n",
-			 memory_address, result, buffer_size);
-		d_dump(4, i1480->dev, i1480->cmd_buf, result);
 		itr += result;
 		memory_address += result;
 		size -= result;
 	}
-	d_fnend(3, i1480->dev, "(%p, 0x%08x, %p, %zu) = %d\n",
-		i1480, memory_address, buffer, size, result);
 	return result;
 }
 
@@ -166,8 +153,6 @@ int i1480_usb_read(struct i1480 *i1480, u32 addr, size_t size)
 	size_t itr, read_size = i1480->buf_size;
 	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
 
-	d_fnstart(3, i1480->dev, "(%p, 0x%08x, %zu)\n",
-		  i1480, addr, size);
 	BUG_ON(size > i1480->buf_size);
 	BUG_ON(size & 0x3); /* Needs to be a multiple of 4 */
 	BUG_ON(read_size > 512);
@@ -201,10 +186,6 @@ int i1480_usb_read(struct i1480 *i1480, u32 addr, size_t size)
 	}
 	result = bytes;
 out:
-	d_fnend(3, i1480->dev, "(%p, 0x%08x, %zu) = %zd\n",
-		i1480, addr, size, result);
-	if (result > 0)
-		d_dump(4, i1480->dev, i1480->cmd_buf, result);
 	return result;
 }
 
@@ -260,7 +241,6 @@ int i1480_usb_wait_init_done(struct i1480 *i1480)
 	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
 	struct usb_endpoint_descriptor *epd;
 
-	d_fnstart(3, dev, "(%p)\n", i1480);
 	init_completion(&i1480->evt_complete);
 	i1480->evt_result = -EINPROGRESS;
 	epd = &i1480_usb->usb_iface->cur_altsetting->endpoint[0].desc;
@@ -282,14 +262,12 @@ int i1480_usb_wait_init_done(struct i1480 *i1480)
 		goto error_wait;
 	}
 	usb_kill_urb(i1480_usb->neep_urb);
-	d_fnend(3, dev, "(%p) = 0\n", i1480);
 	return 0;
 
 error_wait:
 	usb_kill_urb(i1480_usb->neep_urb);
 error_submit:
 	i1480->evt_result = result;
-	d_fnend(3, dev, "(%p) = %d\n", i1480, result);
 	return result;
 }
 
@@ -320,7 +298,6 @@ int i1480_usb_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size)
 	struct uwb_rccb *cmd = i1480->cmd_buf;
 	u8 iface_no;
 
-	d_fnstart(3, dev, "(%p, %s, %zu)\n", i1480, cmd_name, cmd_size);
 	/* Post a read on the notification & event endpoint */
 	iface_no = i1480_usb->usb_iface->cur_altsetting->desc.bInterfaceNumber;
 	epd = &i1480_usb->usb_iface->cur_altsetting->endpoint[0].desc;
@@ -348,15 +325,11 @@ int i1480_usb_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size)
 			cmd_name, result);
 		goto error_submit_ep0;
 	}
-	d_fnend(3, dev, "(%p, %s, %zu) = %d\n",
-		i1480, cmd_name, cmd_size, result);
 	return result;
 
 error_submit_ep0:
 	usb_kill_urb(i1480_usb->neep_urb);
 error_submit_ep1:
-	d_fnend(3, dev, "(%p, %s, %zu) = %d\n",
-		i1480, cmd_name, cmd_size, result);
 	return result;
 }
 
diff --git a/drivers/uwb/i1480/i1480u-wlp/lc.c b/drivers/uwb/i1480/i1480u-wlp/lc.c
index 737d60cd5b7..049c05d4cc6 100644
--- a/drivers/uwb/i1480/i1480u-wlp/lc.c
+++ b/drivers/uwb/i1480/i1480u-wlp/lc.c
@@ -55,10 +55,9 @@
  *                          is being removed.
  *         i1480u_rm()
  */
-#include <linux/version.h>
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
-#include <linux/uwb/debug.h>
+
 #include "i1480u-wlp.h"
 
 
@@ -207,7 +206,7 @@ int i1480u_add(struct i1480u *i1480u, struct usb_interface *iface)
 	wlp->fill_device_info = i1480u_fill_device_info;
 	wlp->stop_queue = i1480u_stop_queue;
 	wlp->start_queue = i1480u_start_queue;
-	result = wlp_setup(wlp, rc);
+	result = wlp_setup(wlp, rc, net_dev);
 	if (result < 0) {
 		dev_err(&iface->dev, "Cannot setup WLP\n");
 		goto error_wlp_setup;
diff --git a/drivers/uwb/i1480/i1480u-wlp/netdev.c b/drivers/uwb/i1480/i1480u-wlp/netdev.c
index 8802ac43d87..e3873ffb942 100644
--- a/drivers/uwb/i1480/i1480u-wlp/netdev.c
+++ b/drivers/uwb/i1480/i1480u-wlp/netdev.c
@@ -41,7 +41,7 @@
 
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
-#include <linux/uwb/debug.h>
+
 #include "i1480u-wlp.h"
 
 struct i1480u_cmd_set_ip_mas {
@@ -207,6 +207,11 @@ int i1480u_open(struct net_device *net_dev)
 	result = i1480u_rx_setup(i1480u);		/* Alloc RX stuff */
 	if (result < 0)
 		goto error_rx_setup;
+
+	result = uwb_radio_start(&wlp->pal);
+	if (result < 0)
+		goto error_radio_start;
+
 	netif_wake_queue(net_dev);
 #ifdef i1480u_FLOW_CONTROL
 	result = usb_submit_urb(i1480u->notif_urb, GFP_KERNEL);;
@@ -215,25 +220,20 @@ int i1480u_open(struct net_device *net_dev)
 		goto error_notif_urb_submit;
 	}
 #endif
-	i1480u->uwb_notifs_handler.cb = i1480u_uwb_notifs_cb;
-	i1480u->uwb_notifs_handler.data = i1480u;
-	if (uwb_bg_joined(rc))
-		netif_carrier_on(net_dev);
-	else
-		netif_carrier_off(net_dev);
-	uwb_notifs_register(rc, &i1480u->uwb_notifs_handler);
 	/* Interface is up with an address, now we can create WSS */
 	result = wlp_wss_setup(net_dev, &wlp->wss);
 	if (result < 0) {
 		dev_err(dev, "Can't create WSS: %d. \n", result);
-		goto error_notif_deregister;
+		goto error_wss_setup;
 	}
 	return 0;
-error_notif_deregister:
-	uwb_notifs_deregister(rc, &i1480u->uwb_notifs_handler);
+error_wss_setup:
 #ifdef i1480u_FLOW_CONTROL
+	usb_kill_urb(i1480u->notif_urb);
 error_notif_urb_submit:
 #endif
+	uwb_radio_stop(&wlp->pal);
+error_radio_start:
 	netif_stop_queue(net_dev);
 	i1480u_rx_release(i1480u);
 error_rx_setup:
@@ -248,16 +248,15 @@ int i1480u_stop(struct net_device *net_dev)
 {
 	struct i1480u *i1480u = netdev_priv(net_dev);
 	struct wlp *wlp = &i1480u->wlp;
-	struct uwb_rc *rc = wlp->rc;
 
 	BUG_ON(wlp->rc == NULL);
 	wlp_wss_remove(&wlp->wss);
-	uwb_notifs_deregister(rc, &i1480u->uwb_notifs_handler);
 	netif_carrier_off(net_dev);
 #ifdef i1480u_FLOW_CONTROL
 	usb_kill_urb(i1480u->notif_urb);
 #endif
 	netif_stop_queue(net_dev);
+	uwb_radio_stop(&wlp->pal);
 	i1480u_rx_release(i1480u);
 	i1480u_tx_release(i1480u);
 	return 0;
@@ -303,34 +302,6 @@ int i1480u_change_mtu(struct net_device *net_dev, int mtu)
 	return 0;
 }
 
-
-/**
- * Callback function to handle events from UWB
- * When we see other devices we know the carrier is ok,
- * if we are the only device in the beacon group we set the carrier
- * state to off.
- * */
-void i1480u_uwb_notifs_cb(void *data, struct uwb_dev *uwb_dev,
-			  enum uwb_notifs event)
-{
-	struct i1480u *i1480u = data;
-	struct net_device *net_dev = i1480u->net_dev;
-	struct device *dev = &i1480u->usb_iface->dev;
-	switch (event) {
-	case UWB_NOTIF_BG_JOIN:
-		netif_carrier_on(net_dev);
-		dev_info(dev, "Link is up\n");
-		break;
-	case UWB_NOTIF_BG_LEAVE:
-		netif_carrier_off(net_dev);
-		dev_info(dev, "Link is down\n");
-		break;
-	default:
-		dev_err(dev, "don't know how to handle event %d from uwb\n",
-				event);
-	}
-}
-
 /**
  * Stop the network queue
  *
diff --git a/drivers/uwb/i1480/i1480u-wlp/rx.c b/drivers/uwb/i1480/i1480u-wlp/rx.c
index 9fc035354a7..34f4cf9a7d3 100644
--- a/drivers/uwb/i1480/i1480u-wlp/rx.c
+++ b/drivers/uwb/i1480/i1480u-wlp/rx.c
@@ -68,11 +68,7 @@
 #include <linux/etherdevice.h>
 #include "i1480u-wlp.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
-
-/**
+/*
  * Setup the RX context
  *
  * Each URB is provided with a transfer_buffer that is the data field
@@ -129,7 +125,7 @@ error:
 }
 
 
-/** Release resources associated to the rx context */
+/* Release resources associated to the rx context */
 void i1480u_rx_release(struct i1480u *i1480u)
 {
 	int cnt;
@@ -155,7 +151,7 @@ void i1480u_rx_unlink_urbs(struct i1480u *i1480u)
 	}
 }
 
-/** Fix an out-of-sequence packet */
+/* Fix an out-of-sequence packet */
 #define i1480u_fix(i1480u, msg...)			\
 do {							\
 	if (printk_ratelimit())				\
@@ -166,7 +162,7 @@ do {							\
 } while (0)
 
 
-/** Drop an out-of-sequence packet */
+/* Drop an out-of-sequence packet */
 #define i1480u_drop(i1480u, msg...)			\
 do {							\
 	if (printk_ratelimit())				\
@@ -177,7 +173,7 @@ do {							\
 
 
 
-/** Finalizes setting up the SKB and delivers it
+/* Finalizes setting up the SKB and delivers it
  *
  * We first pass the incoming frame to WLP substack for verification. It
  * may also be a WLP association frame in which case WLP will take over the
@@ -192,18 +188,11 @@ void i1480u_skb_deliver(struct i1480u *i1480u)
 	struct net_device *net_dev = i1480u->net_dev;
 	struct device *dev = &i1480u->usb_iface->dev;
 
-	d_printf(6, dev, "RX delivered pre skb(%p), %u bytes\n",
-		 i1480u->rx_skb, i1480u->rx_skb->len);
-	d_dump(7, dev, i1480u->rx_skb->data, i1480u->rx_skb->len);
 	should_parse = wlp_receive_frame(dev, &i1480u->wlp, i1480u->rx_skb,
 					 &i1480u->rx_srcaddr);
 	if (!should_parse)
 		goto out;
 	i1480u->rx_skb->protocol = eth_type_trans(i1480u->rx_skb, net_dev);
-	d_printf(5, dev, "RX delivered skb(%p), %u bytes\n",
-		 i1480u->rx_skb, i1480u->rx_skb->len);
-	d_dump(7, dev, i1480u->rx_skb->data,
-	       i1480u->rx_skb->len > 72 ? 72 : i1480u->rx_skb->len);
 	i1480u->stats.rx_packets++;
 	i1480u->stats.rx_bytes += i1480u->rx_untd_pkt_size;
 	net_dev->last_rx = jiffies;
@@ -216,7 +205,7 @@ out:
 }
 
 
-/**
+/*
  * Process a buffer of data received from the USB RX endpoint
  *
  * First fragment arrives with next or last fragment. All other fragments
@@ -404,7 +393,7 @@ out:
 }
 
 
-/**
+/*
  * Called when an RX URB has finished receiving or has found some kind
  * of error condition.
  *
diff --git a/drivers/uwb/i1480/i1480u-wlp/sysfs.c b/drivers/uwb/i1480/i1480u-wlp/sysfs.c
index a1d8ca6ac93..4ffaf546cc6 100644
--- a/drivers/uwb/i1480/i1480u-wlp/sysfs.c
+++ b/drivers/uwb/i1480/i1480u-wlp/sysfs.c
@@ -25,8 +25,8 @@
 
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
-#include <linux/uwb/debug.h>
 #include <linux/device.h>
+
 #include "i1480u-wlp.h"
 
 
@@ -226,7 +226,6 @@ ssize_t wlp_tx_inflight_store(struct i1480u_tx_inflight *inflight,
  * (CLASS_DEVICE_ATTR or DEVICE_ATTR) and i1480u_ATTR_NAME produces a
  * class_device_attr_NAME or device_attr_NAME (for group registration).
  */
-#include <linux/version.h>
 
 #define i1480u_SHOW(name, fn, param)				\
 static ssize_t i1480u_show_##name(struct device *dev,		\
diff --git a/drivers/uwb/i1480/i1480u-wlp/tx.c b/drivers/uwb/i1480/i1480u-wlp/tx.c
index 3426bfb6824..39032cc3503 100644
--- a/drivers/uwb/i1480/i1480u-wlp/tx.c
+++ b/drivers/uwb/i1480/i1480u-wlp/tx.c
@@ -55,8 +55,6 @@
  */
 
 #include "i1480u-wlp.h"
-#define D_LOCAL 5
-#include <linux/uwb/debug.h>
 
 enum {
 	/* This is only for Next and Last TX packets */
@@ -64,7 +62,7 @@ enum {
 		- sizeof(struct untd_hdr_rst),
 };
 
-/** Free resources allocated to a i1480u tx context. */
+/* Free resources allocated to a i1480u tx context. */
 static
 void i1480u_tx_free(struct i1480u_tx *wtx)
 {
@@ -99,7 +97,7 @@ void i1480u_tx_unlink_urbs(struct i1480u *i1480u)
 }
 
 
-/**
+/*
  * Callback for a completed tx USB URB.
  *
  * TODO:
@@ -149,8 +147,6 @@ void i1480u_tx_cb(struct urb *urb)
 	    <= i1480u->tx_inflight.threshold
 	    && netif_queue_stopped(net_dev)
 	    && i1480u->tx_inflight.threshold != 0) {
-		if (d_test(2) && printk_ratelimit())
-			d_printf(2, dev, "Restart queue. \n");
 		netif_start_queue(net_dev);
 		atomic_inc(&i1480u->tx_inflight.restart_count);
 	}
@@ -158,7 +154,7 @@ void i1480u_tx_cb(struct urb *urb)
 }
 
 
-/**
+/*
  * Given a buffer that doesn't fit in a single fragment, create an
  * scatter/gather structure for delivery to the USB pipe.
  *
@@ -253,15 +249,11 @@ int i1480u_tx_create_n(struct i1480u_tx *wtx, struct sk_buff *skb,
 	/* Now do each remaining fragment */
 	result = -EINVAL;
 	while (pl_size_left > 0) {
-		d_printf(5, NULL, "ITR HDR: pl_size_left %zu buf_itr %zu\n",
-			 pl_size_left, buf_itr - wtx->buf);
 		if (buf_itr + sizeof(*untd_hdr_rst) - wtx->buf
 		    > wtx->buf_size) {
 			printk(KERN_ERR "BUG: no space for header\n");
 			goto error_bug;
 		}
-		d_printf(5, NULL, "ITR HDR 2: pl_size_left %zu buf_itr %zu\n",
-			 pl_size_left, buf_itr - wtx->buf);
 		untd_hdr_rst = buf_itr;
 		buf_itr += sizeof(*untd_hdr_rst);
 		if (pl_size_left > i1480u_MAX_PL_SIZE) {
@@ -271,9 +263,6 @@ int i1480u_tx_create_n(struct i1480u_tx *wtx, struct sk_buff *skb,
 			frg_pl_size = pl_size_left;
 			untd_hdr_set_type(&untd_hdr_rst->hdr, i1480u_PKT_FRAG_LST);
 		}
-		d_printf(5, NULL,
-			 "ITR PL: pl_size_left %zu buf_itr %zu frg_pl_size %zu\n",
-			 pl_size_left, buf_itr - wtx->buf, frg_pl_size);
 		untd_hdr_set_rx_tx(&untd_hdr_rst->hdr, 0);
 		untd_hdr_rst->hdr.len = cpu_to_le16(frg_pl_size);
 		untd_hdr_rst->padding = 0;
@@ -286,9 +275,6 @@ int i1480u_tx_create_n(struct i1480u_tx *wtx, struct sk_buff *skb,
 		buf_itr += frg_pl_size;
 		pl_itr += frg_pl_size;
 		pl_size_left -= frg_pl_size;
-		d_printf(5, NULL,
-			 "ITR PL 2: pl_size_left %zu buf_itr %zu frg_pl_size %zu\n",
-			 pl_size_left, buf_itr - wtx->buf, frg_pl_size);
 	}
 	dev_kfree_skb_irq(skb);
 	return 0;
@@ -308,7 +294,7 @@ error_buf_alloc:
 }
 
 
-/**
+/*
  * Given a buffer that fits in a single fragment, fill out a @wtx
  * struct for transmitting it down the USB pipe.
  *
@@ -346,7 +332,7 @@ int i1480u_tx_create_1(struct i1480u_tx *wtx, struct sk_buff *skb,
 }
 
 
-/**
+/*
  * Given a skb to transmit, massage it to become palatable for the TX pipe
  *
  * This will break the buffer in chunks smaller than
@@ -425,7 +411,7 @@ error_wtx_alloc:
 	return NULL;
 }
 
-/**
+/*
  * Actual fragmentation and transmission of frame
  *
  * @wlp:  WLP substack data structure
@@ -447,20 +433,12 @@ int i1480u_xmit_frame(struct wlp *wlp, struct sk_buff *skb,
 	struct i1480u_tx *wtx;
 	struct wlp_tx_hdr *wlp_tx_hdr;
 	static unsigned char dev_bcast[2] = { 0xff, 0xff };
-#if 0
-	int lockup = 50;
-#endif
 
-	d_fnstart(6, dev, "(skb %p (%u), net_dev %p)\n", skb, skb->len,
-		  net_dev);
 	BUG_ON(i1480u->wlp.rc == NULL);
 	if ((net_dev->flags & IFF_UP) == 0)
 		goto out;
 	result = -EBUSY;
 	if (atomic_read(&i1480u->tx_inflight.count) >= i1480u->tx_inflight.max) {
-		if (d_test(2) && printk_ratelimit())
-			d_printf(2, dev, "Max frames in flight "
-				 "stopping queue.\n");
 		netif_stop_queue(net_dev);
 		goto error_max_inflight;
 	}
@@ -489,21 +467,6 @@ int i1480u_xmit_frame(struct wlp *wlp, struct sk_buff *skb,
 		wlp_tx_hdr_set_delivery_id_type(wlp_tx_hdr, i1480u->options.pca_base_priority);
 	}
 
-#if 0
-	dev_info(dev, "TX delivering skb -> USB, %zu bytes\n", skb->len);
-	dump_bytes(dev, skb->data, skb->len > 72 ? 72 : skb->len);
-#endif
-#if 0
-	/* simulates a device lockup after every lockup# packets */
-	if (lockup && ((i1480u->stats.tx_packets + 1) % lockup) == 0) {
-		/* Simulate a dropped transmit interrupt */
-		net_dev->trans_start = jiffies;
-		netif_stop_queue(net_dev);
-		dev_err(dev, "Simulate lockup at %ld\n", jiffies);
-		return result;
-	}
-#endif
-
 	result = usb_submit_urb(wtx->urb, GFP_ATOMIC);		/* Go baby */
 	if (result < 0) {
 		dev_err(dev, "TX: cannot submit URB: %d\n", result);
@@ -513,8 +476,6 @@ int i1480u_xmit_frame(struct wlp *wlp, struct sk_buff *skb,
 	}
 	atomic_inc(&i1480u->tx_inflight.count);
 	net_dev->trans_start = jiffies;
-	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
-		net_dev, result);
 	return result;
 
 error_tx_urb_submit:
@@ -522,13 +483,11 @@ error_tx_urb_submit:
 error_wtx_alloc:
 error_max_inflight:
 out:
-	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
-		net_dev, result);
 	return result;
 }
 
 
-/**
+/*
  * Transmit an skb  Called when an skbuf has to be transmitted
  *
  * The skb is first passed to WLP substack to ensure this is a valid
@@ -551,9 +510,6 @@ int i1480u_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
 	struct device *dev = &i1480u->usb_iface->dev;
 	struct uwb_dev_addr dst;
 
-	d_fnstart(6, dev, "(skb %p (%u), net_dev %p)\n", skb, skb->len,
-		  net_dev);
-	BUG_ON(i1480u->wlp.rc == NULL);
 	if ((net_dev->flags & IFF_UP) == 0)
 		goto error;
 	result = wlp_prepare_tx_frame(dev, &i1480u->wlp, skb, &dst);
@@ -562,31 +518,25 @@ int i1480u_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
 			"Dropping packet.\n", result);
 		goto error;
 	} else if (result == 1) {
-		d_printf(6, dev, "WLP will transmit frame. \n");
 		/* trans_start time will be set when WLP actually transmits
 		 * the frame */
 		goto out;
 	}
-	d_printf(6, dev, "Transmitting frame. \n");
 	result = i1480u_xmit_frame(&i1480u->wlp, skb, &dst);
 	if (result < 0) {
 		dev_err(dev, "Frame TX failed (%d).\n", result);
 		goto error;
 	}
-	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
-		net_dev, result);
 	return NETDEV_TX_OK;
 error:
 	dev_kfree_skb_any(skb);
 	i1480u->stats.tx_dropped++;
 out:
-	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
-		net_dev, result);
 	return NETDEV_TX_OK;
 }
 
 
-/**
+/*
  * Called when a pkt transmission doesn't complete in a reasonable period
  * Device reset may sleep - do it outside of interrupt context (delayed)
  */
diff --git a/drivers/uwb/ie-rcv.c b/drivers/uwb/ie-rcv.c
new file mode 100644
index 00000000000..917e6d78a79
--- /dev/null
+++ b/drivers/uwb/ie-rcv.c
@@ -0,0 +1,55 @@
+/*
+ * Ultra Wide Band
+ * IE Received notification handling.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/bitmap.h>
+#include "uwb-internal.h"
+
+/*
+ * Process an incoming IE Received notification.
+ */
+int uwbd_evt_handle_rc_ie_rcv(struct uwb_event *evt)
+{
+	int result = -EINVAL;
+	struct device *dev = &evt->rc->uwb_dev.dev;
+	struct uwb_rc_evt_ie_rcv *iercv;
+	size_t iesize;
+
+	/* Is there enough data to decode it? */
+	if (evt->notif.size < sizeof(*iercv)) {
+		dev_err(dev, "IE Received notification: Not enough data to "
+			"decode (%zu vs %zu bytes needed)\n",
+			evt->notif.size, sizeof(*iercv));
+		goto error;
+	}
+	iercv = container_of(evt->notif.rceb, struct uwb_rc_evt_ie_rcv, rceb);
+	iesize = le16_to_cpu(iercv->wIELength);
+
+	dev_dbg(dev, "IE received, element ID=%d\n", iercv->IEData[0]);
+
+	if (iercv->IEData[0] == UWB_RELINQUISH_REQUEST_IE) {
+		dev_warn(dev, "unhandled Relinquish Request IE\n");
+	}
+
+	return 0;
+error:
+	return result;
+}
diff --git a/drivers/uwb/ie.c b/drivers/uwb/ie.c
index cf6f3d152b9..ab976686175 100644
--- a/drivers/uwb/ie.c
+++ b/drivers/uwb/ie.c
@@ -25,8 +25,6 @@
  */
 
 #include "uwb-internal.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
 
 /**
  * uwb_ie_next - get the next IE in a buffer
@@ -61,6 +59,42 @@ struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len)
 EXPORT_SYMBOL_GPL(uwb_ie_next);
 
 /**
+ * uwb_ie_dump_hex - print IEs to a character buffer
+ * @ies: the IEs to print.
+ * @len: length of all the IEs.
+ * @buf: the destination buffer.
+ * @size: size of @buf.
+ *
+ * Returns the number of characters written.
+ */
+int uwb_ie_dump_hex(const struct uwb_ie_hdr *ies, size_t len,
+		    char *buf, size_t size)
+{
+	void *ptr;
+	const struct uwb_ie_hdr *ie;
+	int r = 0;
+	u8 *d;
+
+	ptr = (void *)ies;
+	for (;;) {
+		ie = uwb_ie_next(&ptr, &len);
+		if (!ie)
+			break;
+
+		r += scnprintf(buf + r, size - r, "%02x %02x",
+			       (unsigned)ie->element_id,
+			       (unsigned)ie->length);
+		d = (uint8_t *)ie + sizeof(struct uwb_ie_hdr);
+		while (d != ptr && r < size)
+			r += scnprintf(buf + r, size - r, " %02x", (unsigned)*d++);
+		if (r < size)
+			buf[r++] = '\n';
+	};
+
+	return r;
+}
+
+/**
  * Get the IEs that a radio controller is sending in its beacon
  *
  * @uwb_rc:  UWB Radio Controller
@@ -70,6 +104,7 @@ EXPORT_SYMBOL_GPL(uwb_ie_next);
  * anything. Once done with the iedata buffer, call
  * uwb_rc_ie_release(iedata). Don't call kfree on it.
  */
+static
 ssize_t uwb_rc_get_ie(struct uwb_rc *uwb_rc, struct uwb_rc_evt_get_ie **pget_ie)
 {
 	ssize_t result;
@@ -78,148 +113,35 @@ ssize_t uwb_rc_get_ie(struct uwb_rc *uwb_rc, struct uwb_rc_evt_get_ie **pget_ie)
 	struct uwb_rceb *reply = NULL;
 	struct uwb_rc_evt_get_ie *get_ie;
 
-	d_fnstart(3, dev, "(%p, %p)\n", uwb_rc, pget_ie);
-	result = -ENOMEM;
 	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 	if (cmd == NULL)
-		goto error_kzalloc;
+		return -ENOMEM;
+
 	cmd->bCommandType = UWB_RC_CET_GENERAL;
 	cmd->wCommand = cpu_to_le16(UWB_RC_CMD_GET_IE);
 	result = uwb_rc_vcmd(uwb_rc, "GET_IE", cmd, sizeof(*cmd),
 			     UWB_RC_CET_GENERAL, UWB_RC_CMD_GET_IE,
 			     &reply);
+	kfree(cmd);
 	if (result < 0)
-		goto error_cmd;
+		return result;
+
 	get_ie = container_of(reply, struct uwb_rc_evt_get_ie, rceb);
 	if (result < sizeof(*get_ie)) {
 		dev_err(dev, "not enough data returned for decoding GET IE "
 			"(%zu bytes received vs %zu needed)\n",
 			result, sizeof(*get_ie));
-		result = -EINVAL;
+		return -EINVAL;
 	} else if (result < sizeof(*get_ie) + le16_to_cpu(get_ie->wIELength)) {
 		dev_err(dev, "not enough data returned for decoding GET IE "
 			"payload (%zu bytes received vs %zu needed)\n", result,
 			sizeof(*get_ie) + le16_to_cpu(get_ie->wIELength));
-		result = -EINVAL;
-	} else
-		*pget_ie = get_ie;
-error_cmd:
-	kfree(cmd);
-error_kzalloc:
-	d_fnend(3, dev, "(%p, %p) = %d\n", uwb_rc, pget_ie, (int)result);
-	return result;
-}
-EXPORT_SYMBOL_GPL(uwb_rc_get_ie);
-
-
-/*
- * Given a pointer to an IE, print it in ASCII/hex followed by a new line
- *
- * @ie_hdr: pointer to the IE header. Length is in there, and it is
- *          guaranteed that the ie_hdr->length bytes following it are
- *          safely accesible.
- *
- * @_data: context data passed from uwb_ie_for_each(), an struct output_ctx
- */
-int uwb_ie_dump_hex(struct uwb_dev *uwb_dev, const struct uwb_ie_hdr *ie_hdr,
-		    size_t offset, void *_ctx)
-{
-	struct uwb_buf_ctx *ctx = _ctx;
-	const u8 *pl = (void *)(ie_hdr + 1);
-	u8 pl_itr;
-
-	ctx->bytes += scnprintf(ctx->buf + ctx->bytes, ctx->size - ctx->bytes,
-				"%02x %02x ", (unsigned) ie_hdr->element_id,
-				(unsigned) ie_hdr->length);
-	pl_itr = 0;
-	while (pl_itr < ie_hdr->length && ctx->bytes < ctx->size)
-		ctx->bytes += scnprintf(ctx->buf + ctx->bytes,
-					ctx->size - ctx->bytes,
-					"%02x ", (unsigned) pl[pl_itr++]);
-	if (ctx->bytes < ctx->size)
-		ctx->buf[ctx->bytes++] = '\n';
-	return 0;
-}
-EXPORT_SYMBOL_GPL(uwb_ie_dump_hex);
-
-
-/**
- * Verify that a pointer in a buffer points to valid IE
- *
- * @start: pointer to start of buffer in which IE appears
- * @itr:   pointer to IE inside buffer that will be verified
- * @top:   pointer to end of buffer
- *
- * @returns: 0 if IE is valid, <0 otherwise
- *
- * Verification involves checking that the buffer can contain a
- * header and the amount of data reported in the IE header can be found in
- * the buffer.
- */
-static
-int uwb_rc_ie_verify(struct uwb_dev *uwb_dev, const void *start,
-		     const void *itr, const void *top)
-{
-	struct device *dev = &uwb_dev->dev;
-	const struct uwb_ie_hdr *ie_hdr;
-
-	if (top - itr < sizeof(*ie_hdr)) {
-		dev_err(dev, "Bad IE: no data to decode header "
-			"(%zu bytes left vs %zu needed) at offset %zu\n",
-			top - itr, sizeof(*ie_hdr), itr - start);
-		return -EINVAL;
-	}
-	ie_hdr = itr;
-	itr += sizeof(*ie_hdr);
-	if (top - itr < ie_hdr->length) {
-		dev_err(dev, "Bad IE: not enough data for payload "
-			"(%zu bytes left vs %zu needed) at offset %zu\n",
-			top - itr, (size_t)ie_hdr->length,
-			(void *)ie_hdr - start);
 		return -EINVAL;
 	}
-	return 0;
-}
 
-
-/**
- * Walk a buffer filled with consecutive IE's a buffer
- *
- * @uwb_dev: UWB device this IEs belong to (for err messages mainly)
- *
- * @fn: function to call with each IE; if it returns 0, we keep
- *      traversing the buffer. If it returns !0, we'll stop and return
- *      that value.
- *
- * @data: pointer passed to @fn
- *
- * @buf: buffer where the consecutive IEs are located
- *
- * @size: size of @buf
- *
- * Each IE is checked for basic correctness (there is space left for
- * the header and the payload). If that test is failed, we stop
- * processing. For every good IE, @fn is called.
- */
-ssize_t uwb_ie_for_each(struct uwb_dev *uwb_dev, uwb_ie_f fn, void *data,
-			const void *buf, size_t size)
-{
-	ssize_t result = 0;
-	const struct uwb_ie_hdr *ie_hdr;
-	const void *itr = buf, *top = itr + size;
-
-	while (itr < top) {
-		if (uwb_rc_ie_verify(uwb_dev, buf, itr, top) != 0)
-			break;
-		ie_hdr = itr;
-		itr += sizeof(*ie_hdr) + ie_hdr->length;
-		result = fn(uwb_dev, ie_hdr, itr - buf, data);
-		if (result != 0)
-			break;
-	}
+	*pget_ie = get_ie;
 	return result;
 }
-EXPORT_SYMBOL_GPL(uwb_ie_for_each);
 
 
 /**
@@ -256,70 +178,6 @@ error_cmd:
 	return result;
 }
 
-/**
- * Determine by IE id if IE is host settable
- * WUSB 1.0 [8.6.2.8 Table 8.85]
- *
- * EXCEPTION:
- * All but UWB_IE_WLP appears in Table 8.85 from WUSB 1.0. Setting this IE
- * is required for the WLP substack to perform association with its WSS so
- * we hope that the WUSB spec will be changed to reflect this.
- */
-static
-int uwb_rc_ie_is_host_settable(enum uwb_ie element_id)
-{
-	if (element_id == UWB_PCA_AVAILABILITY ||
-	    element_id == UWB_BP_SWITCH_IE ||
-	    element_id == UWB_MAC_CAPABILITIES_IE ||
-	    element_id == UWB_PHY_CAPABILITIES_IE ||
-	    element_id == UWB_APP_SPEC_PROBE_IE ||
-	    element_id == UWB_IDENTIFICATION_IE ||
-	    element_id == UWB_MASTER_KEY_ID_IE ||
-	    element_id == UWB_IE_WLP ||
-	    element_id == UWB_APP_SPEC_IE)
-		return 1;
-	return 0;
-}
-
-
-/**
- * Extract Host Settable IEs from IE
- *
- * @ie_data: pointer to buffer containing all IEs
- * @size:    size of buffer
- *
- * @returns: length of buffer that only includes host settable IEs
- *
- * Given a buffer of IEs we move all Host Settable IEs to front of buffer
- * by overwriting the IEs that are not Host Settable.
- * Buffer length is adjusted accordingly.
- */
-static
-ssize_t uwb_rc_parse_host_settable_ie(struct uwb_dev *uwb_dev,
-				      void *ie_data, size_t size)
-{
-	size_t new_len = size;
-	struct uwb_ie_hdr *ie_hdr;
-	size_t ie_length;
-	void *itr = ie_data, *top = itr + size;
-
-	while (itr < top) {
-		if (uwb_rc_ie_verify(uwb_dev, ie_data, itr, top) != 0)
-			break;
-		ie_hdr = itr;
-		ie_length = sizeof(*ie_hdr) + ie_hdr->length;
-		if (uwb_rc_ie_is_host_settable(ie_hdr->element_id)) {
-			itr += ie_length;
-		} else {
-			memmove(itr, itr + ie_length, top - (itr + ie_length));
-			new_len -= ie_length;
-			top -= ie_length;
-		}
-	}
-	return new_len;
-}
-
-
 /* Cleanup the whole IE management subsystem */
 void uwb_rc_ie_init(struct uwb_rc *uwb_rc)
 {
@@ -328,49 +186,34 @@ void uwb_rc_ie_init(struct uwb_rc *uwb_rc)
 
 
 /**
- * Set up cache for host settable IEs currently being transmitted
+ * uwb_rc_ie_setup - setup a radio controller's IE manager
+ * @uwb_rc: the radio controller.
  *
- * First we just call GET-IE to get the current IEs being transmitted
- * (or we workaround and pretend we did) and (because the format is
- * the same) reuse that as the IE cache (with the command prefix, as
- * explained in 'struct uwb_rc').
+ * The current set of IEs are obtained from the hardware with a GET-IE
+ * command (since the radio controller is not yet beaconing this will
+ * be just the hardware's MAC and PHY Capability IEs).
  *
- * @returns: size of cache created
+ * Returns 0 on success; -ve on an error.
  */
-ssize_t uwb_rc_ie_setup(struct uwb_rc *uwb_rc)
+int uwb_rc_ie_setup(struct uwb_rc *uwb_rc)
 {
-	struct device *dev = &uwb_rc->uwb_dev.dev;
-	ssize_t result;
-	size_t capacity;
-	struct uwb_rc_evt_get_ie *ie_info;
+	struct uwb_rc_evt_get_ie *ie_info = NULL;
+	int capacity;
+
+	capacity = uwb_rc_get_ie(uwb_rc, &ie_info);
+	if (capacity < 0)
+		return capacity;
 
-	d_fnstart(3, dev, "(%p)\n", uwb_rc);
 	mutex_lock(&uwb_rc->ies_mutex);
-	result = uwb_rc_get_ie(uwb_rc, &ie_info);
-	if (result < 0)
-		goto error_get_ie;
-	capacity = result;
-	d_printf(5, dev, "Got IEs %zu bytes (%zu long at %p)\n", result,
-		 (size_t)le16_to_cpu(ie_info->wIELength), ie_info);
-
-	/* Remove IEs that host should not set. */
-	result = uwb_rc_parse_host_settable_ie(&uwb_rc->uwb_dev,
-			ie_info->IEData, le16_to_cpu(ie_info->wIELength));
-	if (result < 0)
-		goto error_parse;
-	d_printf(5, dev, "purged non-settable IEs to %zu bytes\n", result);
-	uwb_rc->ies = (void *) ie_info;
+
+	uwb_rc->ies = (struct uwb_rc_cmd_set_ie *)ie_info;
 	uwb_rc->ies->rccb.bCommandType = UWB_RC_CET_GENERAL;
 	uwb_rc->ies->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_SET_IE);
 	uwb_rc->ies_capacity = capacity;
-	d_printf(5, dev, "IE cache at %p %zu bytes, %zu capacity\n",
-		 ie_info, result, capacity);
-	result = 0;
-error_parse:
-error_get_ie:
+
 	mutex_unlock(&uwb_rc->ies_mutex);
-	d_fnend(3, dev, "(%p) = %zu\n", uwb_rc, result);
-	return result;
+
+	return 0;
 }
 
 
@@ -383,26 +226,47 @@ void uwb_rc_ie_release(struct uwb_rc *uwb_rc)
 }
 
 
-static
-int __acc_size(struct uwb_dev *uwb_dev, const struct uwb_ie_hdr *ie_hdr,
-	       size_t offset, void *_ctx)
+static int uwb_rc_ie_add_one(struct uwb_rc *rc, const struct uwb_ie_hdr *new_ie)
 {
-	size_t *acc_size = _ctx;
-	*acc_size += sizeof(*ie_hdr) + ie_hdr->length;
-	d_printf(6, &uwb_dev->dev, "new acc size %zu\n", *acc_size);
+	struct uwb_rc_cmd_set_ie *new_ies;
+	void *ptr, *prev_ie;
+	struct uwb_ie_hdr *ie;
+	size_t length, new_ie_len, new_capacity, size, prev_size;
+
+	length = le16_to_cpu(rc->ies->wIELength);
+	new_ie_len = sizeof(struct uwb_ie_hdr) + new_ie->length;
+	new_capacity = sizeof(struct uwb_rc_cmd_set_ie) + length + new_ie_len;
+
+	if (new_capacity > rc->ies_capacity) {
+		new_ies = krealloc(rc->ies, new_capacity, GFP_KERNEL);
+		if (!new_ies)
+			return -ENOMEM;
+		rc->ies = new_ies;
+	}
+
+	ptr = rc->ies->IEData;
+	size = length;
+	for (;;) {
+		prev_ie = ptr;
+		prev_size = size;
+		ie = uwb_ie_next(&ptr, &size);
+		if (!ie || ie->element_id > new_ie->element_id)
+			break;
+	}
+
+	memmove(prev_ie + new_ie_len, prev_ie, prev_size);
+	memcpy(prev_ie, new_ie, new_ie_len);
+	rc->ies->wIELength = cpu_to_le16(length + new_ie_len);
+
 	return 0;
 }
 
-
 /**
- * Add a new IE to IEs currently being transmitted by device
- *
+ * uwb_rc_ie_add - add new IEs to the radio controller's beacon
+ * @uwb_rc: the radio controller.
  * @ies: the buffer containing the new IE or IEs to be added to
- *       the device's beacon. The buffer will be verified for
- *       consistence (meaning the headers should be right) and
- *       consistent with the buffer size.
- * @size: size of @ies (in bytes, total buffer size)
- * @returns: 0 if ok, <0 errno code on error
+ *       the device's beacon.
+ * @size: length of all the IEs.
  *
  * According to WHCI 0.95 [4.13.6] the driver will only receive the RCEB
  * after the device sent the first beacon that includes the IEs specified
@@ -411,66 +275,40 @@ int __acc_size(struct uwb_dev *uwb_dev, const struct uwb_ie_hdr *ie_hdr,
  * we start beaconing.
  *
  * Setting an IE on the device will overwrite all current IEs in device. So
- * we take the current IEs being transmitted by the device, append the
+ * we take the current IEs being transmitted by the device, insert the
  * new one, and call SET IE with all the IEs needed.
  *
- * The local IE cache will only be updated with the new IE if SET IE
- * completed successfully.
+ * Returns 0 on success; or -ENOMEM.
  */
 int uwb_rc_ie_add(struct uwb_rc *uwb_rc,
 		  const struct uwb_ie_hdr *ies, size_t size)
 {
 	int result = 0;
-	struct device *dev = &uwb_rc->uwb_dev.dev;
-	struct uwb_rc_cmd_set_ie *new_ies;
-	size_t ies_size, total_size, acc_size = 0;
-
-	if (uwb_rc->ies == NULL)
-		return -ESHUTDOWN;
-	uwb_ie_for_each(&uwb_rc->uwb_dev, __acc_size, &acc_size, ies, size);
-	if (acc_size != size) {
-		dev_err(dev, "BUG: bad IEs, misconstructed headers "
-			"[%zu bytes reported vs %zu calculated]\n",
-			size, acc_size);
-		WARN_ON(1);
-		return -EINVAL;
-	}
+	void *ptr;
+	const struct uwb_ie_hdr *ie;
+
 	mutex_lock(&uwb_rc->ies_mutex);
-	ies_size = le16_to_cpu(uwb_rc->ies->wIELength);
-	total_size = sizeof(*uwb_rc->ies) + ies_size;
-	if (total_size + size > uwb_rc->ies_capacity) {
-		d_printf(4, dev, "Reallocating IE cache from %p capacity %zu "
-			 "to capacity %zu\n", uwb_rc->ies, uwb_rc->ies_capacity,
-			 total_size + size);
-		new_ies = kzalloc(total_size + size, GFP_KERNEL);
-		if (new_ies == NULL) {
-			dev_err(dev, "No memory for adding new IE\n");
-			result = -ENOMEM;
-			goto error_alloc;
-		}
-		memcpy(new_ies, uwb_rc->ies, total_size);
-		uwb_rc->ies_capacity = total_size + size;
-		kfree(uwb_rc->ies);
-		uwb_rc->ies = new_ies;
-		d_printf(4, dev, "New IE cache at %p capacity %zu\n",
-			 uwb_rc->ies, uwb_rc->ies_capacity);
+
+	ptr = (void *)ies;
+	for (;;) {
+		ie = uwb_ie_next(&ptr, &size);
+		if (!ie)
+			break;
+
+		result = uwb_rc_ie_add_one(uwb_rc, ie);
+		if (result < 0)
+			break;
 	}
-	memcpy((void *)uwb_rc->ies + total_size, ies, size);
-	uwb_rc->ies->wIELength = cpu_to_le16(ies_size + size);
-	if (uwb_rc->beaconing != -1) {
-		result = uwb_rc_set_ie(uwb_rc, uwb_rc->ies);
-		if (result < 0) {
-			dev_err(dev, "Cannot set new IE on device: %d\n",
-				result);
-			uwb_rc->ies->wIELength = cpu_to_le16(ies_size);
+	if (result >= 0) {
+		if (size == 0) {
+			if (uwb_rc->beaconing != -1)
+				result = uwb_rc_set_ie(uwb_rc, uwb_rc->ies);
 		} else
-			result = 0;
+			result = -EINVAL;
 	}
-	d_printf(4, dev, "IEs now occupy %hu bytes of %zu capacity at %p\n",
-		 le16_to_cpu(uwb_rc->ies->wIELength), uwb_rc->ies_capacity,
-		 uwb_rc->ies);
-error_alloc:
+
 	mutex_unlock(&uwb_rc->ies_mutex);
+
 	return result;
 }
 EXPORT_SYMBOL_GPL(uwb_rc_ie_add);
@@ -489,53 +327,52 @@ EXPORT_SYMBOL_GPL(uwb_rc_ie_add);
  * beacon. We don't reallocate, we just mark the size smaller.
  */
 static
-int uwb_rc_ie_cache_rm(struct uwb_rc *uwb_rc, enum uwb_ie to_remove)
+void uwb_rc_ie_cache_rm(struct uwb_rc *uwb_rc, enum uwb_ie to_remove)
 {
-	struct uwb_ie_hdr *ie_hdr;
-	size_t new_len = le16_to_cpu(uwb_rc->ies->wIELength);
-	void *itr = uwb_rc->ies->IEData;
-	void *top = itr + new_len;
-
-	while (itr < top) {
-		ie_hdr = itr;
-		if (ie_hdr->element_id != to_remove) {
-			itr += sizeof(*ie_hdr) + ie_hdr->length;
-		} else {
-			int ie_length;
-			ie_length = sizeof(*ie_hdr) + ie_hdr->length;
-			if (top - itr != ie_length)
-				memmove(itr, itr + ie_length, top - itr + ie_length);
-			top -= ie_length;
-			new_len -= ie_length;
+	struct uwb_ie_hdr *ie;
+	size_t len = le16_to_cpu(uwb_rc->ies->wIELength);
+	void *ptr;
+	size_t size;
+
+	ptr = uwb_rc->ies->IEData;
+	size = len;
+	for (;;) {
+		ie = uwb_ie_next(&ptr, &size);
+		if (!ie)
+			break;
+		if (ie->element_id == to_remove) {
+			len -= sizeof(struct uwb_ie_hdr) + ie->length;
+			memmove(ie, ptr, size);
+			ptr = ie;
 		}
 	}
-	uwb_rc->ies->wIELength = cpu_to_le16(new_len);
-	return 0;
+	uwb_rc->ies->wIELength = cpu_to_le16(len);
 }
 
 
 /**
- * Remove an IE currently being transmitted by device
+ * uwb_rc_ie_rm - remove an IE from the radio controller's beacon
+ * @uwb_rc: the radio controller.
+ * @element_id: the element ID of the IE to remove.
  *
- * @element_id: id of IE to be removed from device's beacon
+ * Only IEs previously added with uwb_rc_ie_add() may be removed.
+ *
+ * Returns 0 on success; or -ve the SET-IE command to the radio
+ * controller failed.
  */
 int uwb_rc_ie_rm(struct uwb_rc *uwb_rc, enum uwb_ie element_id)
 {
-	struct device *dev = &uwb_rc->uwb_dev.dev;
-	int result;
+	int result = 0;
 
-	if (uwb_rc->ies == NULL)
-		return -ESHUTDOWN;
 	mutex_lock(&uwb_rc->ies_mutex);
-	result = uwb_rc_ie_cache_rm(uwb_rc, element_id);
-	if (result < 0)
-		dev_err(dev, "Cannot remove IE from cache.\n");
-	if (uwb_rc->beaconing != -1) {
+
+	uwb_rc_ie_cache_rm(uwb_rc, element_id);
+
+	if (uwb_rc->beaconing != -1)
 		result = uwb_rc_set_ie(uwb_rc, uwb_rc->ies);
-		if (result < 0)
-			dev_err(dev, "Cannot set new IE on device.\n");
-	}
+
 	mutex_unlock(&uwb_rc->ies_mutex);
+
 	return result;
 }
 EXPORT_SYMBOL_GPL(uwb_rc_ie_rm);
diff --git a/drivers/uwb/lc-dev.c b/drivers/uwb/lc-dev.c
index 15f856c9689..e9fe1bb7eb2 100644
--- a/drivers/uwb/lc-dev.c
+++ b/drivers/uwb/lc-dev.c
@@ -22,7 +22,6 @@
  *
  * FIXME: docs
  */
-
 #include <linux/kernel.h>
 #include <linux/device.h>
 #include <linux/err.h>
@@ -30,10 +29,6 @@
 #include <linux/random.h>
 #include "uwb-internal.h"
 
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
-
-
 /* We initialize addresses to 0xff (invalid, as it is bcast) */
 static inline void uwb_dev_addr_init(struct uwb_dev_addr *addr)
 {
@@ -104,12 +99,9 @@ static void uwb_dev_sys_release(struct device *dev)
 {
 	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
 
-	d_fnstart(4, NULL, "(dev %p uwb_dev %p)\n", dev, uwb_dev);
 	uwb_bce_put(uwb_dev->bce);
-	d_printf(0, &uwb_dev->dev, "uwb_dev %p freed\n", uwb_dev);
 	memset(uwb_dev, 0x69, sizeof(*uwb_dev));
 	kfree(uwb_dev);
-	d_fnend(4, NULL, "(dev %p uwb_dev %p) = void\n", dev, uwb_dev);
 }
 
 /*
@@ -275,12 +267,8 @@ static struct attribute_group *groups[] = {
  */
 static int __uwb_dev_sys_add(struct uwb_dev *uwb_dev, struct device *parent_dev)
 {
-	int result;
 	struct device *dev;
 
-	d_fnstart(4, NULL, "(uwb_dev %p parent_dev %p)\n", uwb_dev, parent_dev);
-	BUG_ON(parent_dev == NULL);
-
 	dev = &uwb_dev->dev;
 	/* Device sysfs files are only useful for neighbor devices not
 	   local radio controllers. */
@@ -289,18 +277,14 @@ static int __uwb_dev_sys_add(struct uwb_dev *uwb_dev, struct device *parent_dev)
 	dev->parent = parent_dev;
 	dev_set_drvdata(dev, uwb_dev);
 
-	result = device_add(dev);
-	d_fnend(4, NULL, "(uwb_dev %p parent_dev %p) = %d\n", uwb_dev, parent_dev, result);
-	return result;
+	return device_add(dev);
 }
 
 
 static void __uwb_dev_sys_rm(struct uwb_dev *uwb_dev)
 {
-	d_fnstart(4, NULL, "(uwb_dev %p)\n", uwb_dev);
 	dev_set_drvdata(&uwb_dev->dev, NULL);
 	device_del(&uwb_dev->dev);
-	d_fnend(4, NULL, "(uwb_dev %p) = void\n", uwb_dev);
 }
 
 
@@ -384,7 +368,6 @@ int __uwb_dev_offair(struct uwb_dev *uwb_dev, struct uwb_rc *rc)
 	struct device *dev = &uwb_dev->dev;
 	char macbuf[UWB_ADDR_STRSIZE], devbuf[UWB_ADDR_STRSIZE];
 
-	d_fnstart(3, NULL, "(dev %p [uwb_dev %p], uwb_rc %p)\n", dev, uwb_dev, rc);
 	uwb_mac_addr_print(macbuf, sizeof(macbuf), &uwb_dev->mac_addr);
 	uwb_dev_addr_print(devbuf, sizeof(devbuf), &uwb_dev->dev_addr);
 	dev_info(dev, "uwb device (mac %s dev %s) disconnected from %s %s\n",
@@ -392,8 +375,10 @@ int __uwb_dev_offair(struct uwb_dev *uwb_dev, struct uwb_rc *rc)
 		 rc ? rc->uwb_dev.dev.parent->bus->name : "n/a",
 		 rc ? dev_name(rc->uwb_dev.dev.parent) : "");
 	uwb_dev_rm(uwb_dev);
+	list_del(&uwb_dev->bce->node);
+	uwb_bce_put(uwb_dev->bce);
 	uwb_dev_put(uwb_dev);	/* for the creation in _onair() */
-	d_fnend(3, NULL, "(dev %p [uwb_dev %p], uwb_rc %p) = 0\n", dev, uwb_dev, rc);
+
 	return 0;
 }
 
diff --git a/drivers/uwb/lc-rc.c b/drivers/uwb/lc-rc.c
index ee5772f00d4..9cf21e6bb62 100644
--- a/drivers/uwb/lc-rc.c
+++ b/drivers/uwb/lc-rc.c
@@ -36,8 +36,6 @@
 #include <linux/etherdevice.h>
 #include <linux/usb.h>
 
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
 #include "uwb-internal.h"
 
 static int uwb_rc_index_match(struct device *dev, void *data)
@@ -81,9 +79,7 @@ static void uwb_rc_sys_release(struct device *dev)
 	struct uwb_dev *uwb_dev = container_of(dev, struct uwb_dev, dev);
 	struct uwb_rc *rc = container_of(uwb_dev, struct uwb_rc, uwb_dev);
 
-	uwb_rc_neh_destroy(rc);
 	uwb_rc_ie_release(rc);
-	d_printf(1, dev, "freed uwb_rc %p\n", rc);
 	kfree(rc);
 }
 
@@ -100,6 +96,8 @@ void uwb_rc_init(struct uwb_rc *rc)
 	rc->scan_type = UWB_SCAN_DISABLED;
 	INIT_LIST_HEAD(&rc->notifs_chain.list);
 	mutex_init(&rc->notifs_chain.mutex);
+	INIT_LIST_HEAD(&rc->uwb_beca.list);
+	mutex_init(&rc->uwb_beca.mutex);
 	uwb_drp_avail_init(rc);
 	uwb_rc_ie_init(rc);
 	uwb_rsv_init(rc);
@@ -191,9 +189,9 @@ static int uwb_rc_setup(struct uwb_rc *rc)
 	int result;
 	struct device *dev = &rc->uwb_dev.dev;
 
-	result = uwb_rc_reset(rc);
+	result = uwb_radio_setup(rc);
 	if (result < 0) {
-		dev_err(dev, "cannot reset UWB radio: %d\n", result);
+		dev_err(dev, "cannot setup UWB radio: %d\n", result);
 		goto error;
 	}
 	result = uwb_rc_mac_addr_setup(rc);
@@ -250,6 +248,12 @@ int uwb_rc_add(struct uwb_rc *rc, struct device *parent_dev, void *priv)
 
 	rc->priv = priv;
 
+	init_waitqueue_head(&rc->uwbd.wq);
+	INIT_LIST_HEAD(&rc->uwbd.event_list);
+	spin_lock_init(&rc->uwbd.event_list_lock);
+
+	uwbd_start(rc);
+
 	result = rc->start(rc);
 	if (result < 0)
 		goto error_rc_start;
@@ -284,7 +288,7 @@ error_sys_add:
 error_dev_add:
 error_rc_setup:
 	rc->stop(rc);
-	uwbd_flush(rc);
+	uwbd_stop(rc);
 error_rc_start:
 	return result;
 }
@@ -306,25 +310,24 @@ void uwb_rc_rm(struct uwb_rc *rc)
 	rc->ready = 0;
 
 	uwb_dbg_del_rc(rc);
-	uwb_rsv_cleanup(rc);
-	uwb_rc_ie_rm(rc, UWB_IDENTIFICATION_IE);
-	if (rc->beaconing >= 0)
-		uwb_rc_beacon(rc, -1, 0);
-	if (rc->scan_type != UWB_SCAN_DISABLED)
-		uwb_rc_scan(rc, rc->scanning, UWB_SCAN_DISABLED, 0);
-	uwb_rc_reset(rc);
+	uwb_rsv_remove_all(rc);
+	uwb_radio_shutdown(rc);
 
 	rc->stop(rc);
-	uwbd_flush(rc);
+
+	uwbd_stop(rc);
+	uwb_rc_neh_destroy(rc);
 
 	uwb_dev_lock(&rc->uwb_dev);
 	rc->priv = NULL;
 	rc->cmd = NULL;
 	uwb_dev_unlock(&rc->uwb_dev);
-	mutex_lock(&uwb_beca.mutex);
+	mutex_lock(&rc->uwb_beca.mutex);
 	uwb_dev_for_each(rc, uwb_dev_offair_helper, NULL);
 	__uwb_rc_sys_rm(rc);
-	mutex_unlock(&uwb_beca.mutex);
+	mutex_unlock(&rc->uwb_beca.mutex);
+	uwb_rsv_cleanup(rc);
+ 	uwb_beca_release(rc);
 	uwb_dev_rm(&rc->uwb_dev);
 }
 EXPORT_SYMBOL_GPL(uwb_rc_rm);
@@ -468,28 +471,3 @@ void uwb_rc_put(struct uwb_rc *rc)
 	__uwb_rc_put(rc);
 }
 EXPORT_SYMBOL_GPL(uwb_rc_put);
-
-/*
- *
- *
- */
-ssize_t uwb_rc_print_IEs(struct uwb_rc *uwb_rc, char *buf, size_t size)
-{
-	ssize_t result;
-	struct uwb_rc_evt_get_ie *ie_info;
-	struct uwb_buf_ctx ctx;
-
-	result = uwb_rc_get_ie(uwb_rc, &ie_info);
-	if (result < 0)
-		goto error_get_ie;
-	ctx.buf = buf;
-	ctx.size = size;
-	ctx.bytes = 0;
-	uwb_ie_for_each(&uwb_rc->uwb_dev, uwb_ie_dump_hex, &ctx,
-			ie_info->IEData, result - sizeof(*ie_info));
-	result = ctx.bytes;
-	kfree(ie_info);
-error_get_ie:
-	return result;
-}
-
diff --git a/drivers/uwb/neh.c b/drivers/uwb/neh.c
index 9b4eb64327a..0af8916d9be 100644
--- a/drivers/uwb/neh.c
+++ b/drivers/uwb/neh.c
@@ -86,8 +86,6 @@
 #include <linux/err.h>
 
 #include "uwb-internal.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
 
 /*
  * UWB Radio Controller Notification/Event Handle
@@ -254,7 +252,6 @@ error_kzalloc:
 
 static void __uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)
 {
-	del_timer(&neh->timer);
 	__uwb_rc_ctx_put(rc, neh);
 	list_del(&neh->list_node);
 }
@@ -275,6 +272,7 @@ void uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)
 	__uwb_rc_neh_rm(rc, neh);
 	spin_unlock_irqrestore(&rc->neh_lock, flags);
 
+	del_timer_sync(&neh->timer);
 	uwb_rc_neh_put(neh);
 }
 
@@ -349,7 +347,7 @@ struct uwb_rc_neh *uwb_rc_neh_lookup(struct uwb_rc *rc,
 }
 
 
-/**
+/*
  * Process notifications coming from the radio control interface
  *
  * @rc:    UWB Radio Control Interface descriptor
@@ -401,23 +399,6 @@ void uwb_rc_notif(struct uwb_rc *rc, struct uwb_rceb *rceb, ssize_t size)
 	uwb_evt->notif.size = size;
 	uwb_evt->notif.rceb = rceb;
 
-	switch (le16_to_cpu(rceb->wEvent)) {
-		/* Trap some vendor specific events
-		 *
-		 * FIXME: move this to handling in ptc-est, where we
-		 * register a NULL event handler for these two guys
-		 * using the Intel IDs.
-		 */
-	case 0x0103:
-		dev_info(dev, "FIXME: DEVICE ADD\n");
-		return;
-	case 0x0104:
-		dev_info(dev, "FIXME: DEVICE RM\n");
-		return;
-	default:
-		break;
-	}
-
 	uwbd_event_queue(uwb_evt);
 }
 
@@ -438,9 +419,10 @@ static void uwb_rc_neh_grok_event(struct uwb_rc *rc, struct uwb_rceb *rceb, size
 				rceb->bEventContext, size);
 	} else {
 		neh = uwb_rc_neh_lookup(rc, rceb);
-		if (neh)
+		if (neh) {
+			del_timer_sync(&neh->timer);
 			uwb_rc_neh_cb(neh, rceb, size);
-		else
+		} else
 			dev_warn(dev, "event 0x%02x/%04x/%02x (%zu bytes): nobody cared\n",
 				 rceb->bEventType, le16_to_cpu(rceb->wEvent),
 				 rceb->bEventContext, size);
@@ -495,8 +477,6 @@ void uwb_rc_neh_grok(struct uwb_rc *rc, void *buf, size_t buf_size)
 	size_t size, real_size, event_size;
 	int needtofree;
 
-	d_fnstart(3, dev, "(rc %p buf %p %zu buf_size)\n", rc, buf, buf_size);
-	d_printf(2, dev, "groking event block: %zu bytes\n", buf_size);
 	itr = buf;
 	size = buf_size;
 	while (size > 0) {
@@ -544,10 +524,7 @@ void uwb_rc_neh_grok(struct uwb_rc *rc, void *buf, size_t buf_size)
 
 		itr += real_size;
 		size -= real_size;
-		d_printf(2, dev, "consumed %zd bytes, %zu left\n",
-			 event_size, size);
 	}
-	d_fnend(3, dev, "(rc %p buf %p %zu buf_size) = void\n", rc, buf, buf_size);
 }
 EXPORT_SYMBOL_GPL(uwb_rc_neh_grok);
 
@@ -562,16 +539,22 @@ EXPORT_SYMBOL_GPL(uwb_rc_neh_grok);
  */
 void uwb_rc_neh_error(struct uwb_rc *rc, int error)
 {
-	struct uwb_rc_neh *neh, *next;
+	struct uwb_rc_neh *neh;
 	unsigned long flags;
 
-	BUG_ON(error >= 0);
-	spin_lock_irqsave(&rc->neh_lock, flags);
-	list_for_each_entry_safe(neh, next, &rc->neh_list, list_node) {
+	for (;;) {
+		spin_lock_irqsave(&rc->neh_lock, flags);
+		if (list_empty(&rc->neh_list)) {
+			spin_unlock_irqrestore(&rc->neh_lock, flags);
+			break;
+		}
+		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);
 		__uwb_rc_neh_rm(rc, neh);
+		spin_unlock_irqrestore(&rc->neh_lock, flags);
+
+		del_timer_sync(&neh->timer);
 		uwb_rc_neh_cb(neh, NULL, error);
 	}
-	spin_unlock_irqrestore(&rc->neh_lock, flags);
 }
 EXPORT_SYMBOL_GPL(uwb_rc_neh_error);
 
@@ -583,10 +566,14 @@ static void uwb_rc_neh_timer(unsigned long arg)
 	unsigned long flags;
 
 	spin_lock_irqsave(&rc->neh_lock, flags);
-	__uwb_rc_neh_rm(rc, neh);
+	if (neh->context)
+		__uwb_rc_neh_rm(rc, neh);
+	else
+		neh = NULL;
 	spin_unlock_irqrestore(&rc->neh_lock, flags);
 
-	uwb_rc_neh_cb(neh, NULL, -ETIMEDOUT);
+	if (neh)
+		uwb_rc_neh_cb(neh, NULL, -ETIMEDOUT);
 }
 
 /** Initializes the @rc's neh subsystem
@@ -605,12 +592,19 @@ void uwb_rc_neh_create(struct uwb_rc *rc)
 void uwb_rc_neh_destroy(struct uwb_rc *rc)
 {
 	unsigned long flags;
-	struct uwb_rc_neh *neh, *next;
+	struct uwb_rc_neh *neh;
 
-	spin_lock_irqsave(&rc->neh_lock, flags);
-	list_for_each_entry_safe(neh, next, &rc->neh_list, list_node) {
+	for (;;) {
+		spin_lock_irqsave(&rc->neh_lock, flags);
+		if (list_empty(&rc->neh_list)) {
+			spin_unlock_irqrestore(&rc->neh_lock, flags);
+			break;
+		}
+		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);
 		__uwb_rc_neh_rm(rc, neh);
+		spin_unlock_irqrestore(&rc->neh_lock, flags);
+
+		del_timer_sync(&neh->timer);
 		uwb_rc_neh_put(neh);
 	}
-	spin_unlock_irqrestore(&rc->neh_lock, flags);
 }
diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c
index 1afb38eacb9..99a19c19909 100644
--- a/drivers/uwb/pal.c
+++ b/drivers/uwb/pal.c
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/kernel.h>
+#include <linux/debugfs.h>
 #include <linux/uwb.h>
 
 #include "uwb-internal.h"
@@ -32,13 +33,13 @@ EXPORT_SYMBOL_GPL(uwb_pal_init);
 
 /**
  * uwb_pal_register - register a UWB PAL
- * @rc: the radio controller the PAL will be using
  * @pal: the PAL
  *
  * The PAL must be initialized with uwb_pal_init().
  */
-int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
+int uwb_pal_register(struct uwb_pal *pal)
 {
+	struct uwb_rc *rc = pal->rc;
 	int ret;
 
 	if (pal->device) {
@@ -54,9 +55,11 @@ int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
 		}
 	}
 
-	spin_lock(&rc->pal_lock);
+	pal->debugfs_dir = uwb_dbg_create_pal_dir(pal);
+
+	mutex_lock(&rc->uwb_dev.mutex);
 	list_add(&pal->node, &rc->pals);
-	spin_unlock(&rc->pal_lock);
+	mutex_unlock(&rc->uwb_dev.mutex);
 
 	return 0;
 }
@@ -64,14 +67,19 @@ EXPORT_SYMBOL_GPL(uwb_pal_register);
 
 /**
  * uwb_pal_register - unregister a UWB PAL
- * @rc: the radio controller the PAL was using
  * @pal: the PAL
  */
-void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal)
+void uwb_pal_unregister(struct uwb_pal *pal)
 {
-	spin_lock(&rc->pal_lock);
+	struct uwb_rc *rc = pal->rc;
+
+	uwb_radio_stop(pal);
+
+	mutex_lock(&rc->uwb_dev.mutex);
 	list_del(&pal->node);
-	spin_unlock(&rc->pal_lock);
+	mutex_unlock(&rc->uwb_dev.mutex);
+
+	debugfs_remove(pal->debugfs_dir);
 
 	if (pal->device) {
 		sysfs_remove_link(&rc->uwb_dev.dev.kobj, pal->name);
@@ -86,6 +94,5 @@ EXPORT_SYMBOL_GPL(uwb_pal_unregister);
  */
 void uwb_rc_pal_init(struct uwb_rc *rc)
 {
-	spin_lock_init(&rc->pal_lock);
 	INIT_LIST_HEAD(&rc->pals);
 }
diff --git a/drivers/uwb/radio.c b/drivers/uwb/radio.c
new file mode 100644
index 00000000000..f0d55495f5e
--- /dev/null
+++ b/drivers/uwb/radio.c
@@ -0,0 +1,202 @@
+/*
+ * UWB radio (channel) management.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/uwb.h>
+
+#include "uwb-internal.h"
+
+
+static int uwb_radio_select_channel(struct uwb_rc *rc)
+{
+	/*
+	 * Default to channel 9 (BG1, TFC1) unless the user has
+	 * selected a specific channel or there are no active PALs.
+	 */
+	if (rc->active_pals == 0)
+		return -1;
+	if (rc->beaconing_forced)
+		return rc->beaconing_forced;
+	return 9;
+}
+
+
+/*
+ * Notify all active PALs that the channel has changed.
+ */
+static void uwb_radio_channel_changed(struct uwb_rc *rc, int channel)
+{
+	struct uwb_pal *pal;
+
+	list_for_each_entry(pal, &rc->pals, node) {
+		if (pal->channel && channel != pal->channel) {
+			pal->channel = channel;
+			if (pal->channel_changed)
+				pal->channel_changed(pal, pal->channel);
+		}
+	}
+}
+
+/*
+ * Change to a new channel and notify any active PALs of the new
+ * channel.
+ *
+ * When stopping the radio, PALs need to be notified first so they can
+ * terminate any active reservations.
+ */
+static int uwb_radio_change_channel(struct uwb_rc *rc, int channel)
+{
+	int ret = 0;
+
+	if (channel == -1)
+		uwb_radio_channel_changed(rc, channel);
+
+	if (channel != rc->beaconing) {
+		if (rc->beaconing != -1 && channel != -1) {
+			/*
+			 * FIXME: should signal the channel change
+			 * with a Channel Change IE.
+			 */
+			ret = uwb_radio_change_channel(rc, -1);
+			if (ret < 0)
+				return ret;
+		}
+		ret = uwb_rc_beacon(rc, channel, 0);
+	}
+
+	if (channel != -1)
+		uwb_radio_channel_changed(rc, rc->beaconing);
+
+	return ret;
+}
+
+/**
+ * uwb_radio_start - request that the radio be started
+ * @pal: the PAL making the request.
+ *
+ * If the radio is not already active, aa suitable channel is selected
+ * and beacons are started.
+ */
+int uwb_radio_start(struct uwb_pal *pal)
+{
+	struct uwb_rc *rc = pal->rc;
+	int ret = 0;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+
+	if (!pal->channel) {
+		pal->channel = -1;
+		rc->active_pals++;
+		ret = uwb_radio_change_channel(rc, uwb_radio_select_channel(rc));
+	}
+
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(uwb_radio_start);
+
+/**
+ * uwb_radio_stop - request tha the radio be stopped.
+ * @pal: the PAL making the request.
+ *
+ * Stops the radio if no other PAL is making use of it.
+ */
+void uwb_radio_stop(struct uwb_pal *pal)
+{
+	struct uwb_rc *rc = pal->rc;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+
+	if (pal->channel) {
+		rc->active_pals--;
+		uwb_radio_change_channel(rc, uwb_radio_select_channel(rc));
+		pal->channel = 0;
+	}
+
+	mutex_unlock(&rc->uwb_dev.mutex);
+}
+EXPORT_SYMBOL_GPL(uwb_radio_stop);
+
+/*
+ * uwb_radio_force_channel - force a specific channel to be used
+ * @rc: the radio controller.
+ * @channel: the channel to use; -1 to force the radio to stop; 0 to
+ *   use the default channel selection algorithm.
+ */
+int uwb_radio_force_channel(struct uwb_rc *rc, int channel)
+{
+	int ret = 0;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+
+	rc->beaconing_forced = channel;
+	ret = uwb_radio_change_channel(rc, uwb_radio_select_channel(rc));
+
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return ret;
+}
+
+/*
+ * uwb_radio_setup - setup the radio manager
+ * @rc: the radio controller.
+ *
+ * The radio controller is reset to ensure it's in a known state
+ * before it's used.
+ */
+int uwb_radio_setup(struct uwb_rc *rc)
+{
+	return uwb_rc_reset(rc);
+}
+
+/*
+ * uwb_radio_reset_state - reset any radio manager state
+ * @rc: the radio controller.
+ *
+ * All internal radio manager state is reset to values corresponding
+ * to a reset radio controller.
+ */
+void uwb_radio_reset_state(struct uwb_rc *rc)
+{
+	struct uwb_pal *pal;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+
+	list_for_each_entry(pal, &rc->pals, node) {
+		if (pal->channel) {
+			pal->channel = -1;
+			if (pal->channel_changed)
+				pal->channel_changed(pal, -1);
+		}
+	}
+
+	rc->beaconing = -1;
+	rc->scanning = -1;
+
+	mutex_unlock(&rc->uwb_dev.mutex);
+}
+
+/*
+ * uwb_radio_shutdown - shutdown the radio manager
+ * @rc: the radio controller.
+ *
+ * The radio controller is reset.
+ */
+void uwb_radio_shutdown(struct uwb_rc *rc)
+{
+	uwb_radio_reset_state(rc);
+	uwb_rc_reset(rc);
+}
diff --git a/drivers/uwb/reset.c b/drivers/uwb/reset.c
index 8de856fa795..70f8050221f 100644
--- a/drivers/uwb/reset.c
+++ b/drivers/uwb/reset.c
@@ -32,8 +32,6 @@
 #include <linux/err.h>
 
 #include "uwb-internal.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
 
 /**
  * Command result codes (WUSB1.0[T8-69])
@@ -323,17 +321,16 @@ int uwbd_msg_handle_reset(struct uwb_event *evt)
 	struct uwb_rc *rc = evt->rc;
 	int ret;
 
-	/* Need to prevent the RC hardware module going away while in
-	   the rc->reset() call. */
-	if (!try_module_get(rc->owner))
-		return 0;
-
 	dev_info(&rc->uwb_dev.dev, "resetting radio controller\n");
 	ret = rc->reset(rc);
-	if (ret)
+	if (ret) {
 		dev_err(&rc->uwb_dev.dev, "failed to reset hardware: %d\n", ret);
-
-	module_put(rc->owner);
+		goto error;
+	}
+	return 0;
+error:
+	/* Nothing can be done except try the reset again. */
+	uwb_rc_reset_all(rc);
 	return ret;
 }
 
@@ -360,3 +357,33 @@ void uwb_rc_reset_all(struct uwb_rc *rc)
 	uwbd_event_queue(evt);
 }
 EXPORT_SYMBOL_GPL(uwb_rc_reset_all);
+
+void uwb_rc_pre_reset(struct uwb_rc *rc)
+{
+	rc->stop(rc);
+	uwbd_flush(rc);
+
+	uwb_radio_reset_state(rc);
+	uwb_rsv_remove_all(rc);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_pre_reset);
+
+void uwb_rc_post_reset(struct uwb_rc *rc)
+{
+	int ret;
+
+	ret = rc->start(rc);
+	if (ret)
+		goto error;
+	ret = uwb_rc_mac_addr_set(rc, &rc->uwb_dev.mac_addr);
+	if (ret)
+		goto error;
+	ret = uwb_rc_dev_addr_set(rc, &rc->uwb_dev.dev_addr);
+	if (ret)
+		goto error;
+	return;
+error:
+	/* Nothing can be done except try the reset again. */
+	uwb_rc_reset_all(rc);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_post_reset);
diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c
index bae16204576..ec6eecb32f3 100644
--- a/drivers/uwb/rsv.c
+++ b/drivers/uwb/rsv.c
@@ -15,23 +15,33 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/uwb.h>
+#include <linux/random.h>
 
 #include "uwb-internal.h"
 
 static void uwb_rsv_timer(unsigned long arg);
 
 static const char *rsv_states[] = {
-	[UWB_RSV_STATE_NONE]          = "none",
-	[UWB_RSV_STATE_O_INITIATED]   = "initiated",
-	[UWB_RSV_STATE_O_PENDING]     = "pending",
-	[UWB_RSV_STATE_O_MODIFIED]    = "modified",
-	[UWB_RSV_STATE_O_ESTABLISHED] = "established",
-	[UWB_RSV_STATE_T_ACCEPTED]    = "accepted",
-	[UWB_RSV_STATE_T_DENIED]      = "denied",
-	[UWB_RSV_STATE_T_PENDING]     = "pending",
+	[UWB_RSV_STATE_NONE]                 = "none            ",
+	[UWB_RSV_STATE_O_INITIATED]          = "o initiated     ",
+	[UWB_RSV_STATE_O_PENDING]            = "o pending       ",
+	[UWB_RSV_STATE_O_MODIFIED]           = "o modified      ",
+	[UWB_RSV_STATE_O_ESTABLISHED]        = "o established   ",
+	[UWB_RSV_STATE_O_TO_BE_MOVED]        = "o to be moved   ",
+	[UWB_RSV_STATE_O_MOVE_EXPANDING]     = "o move expanding",
+	[UWB_RSV_STATE_O_MOVE_COMBINING]     = "o move combining",
+	[UWB_RSV_STATE_O_MOVE_REDUCING]      = "o move reducing ",
+	[UWB_RSV_STATE_T_ACCEPTED]           = "t accepted      ",
+	[UWB_RSV_STATE_T_CONFLICT]           = "t conflict      ",
+	[UWB_RSV_STATE_T_PENDING]            = "t pending       ",
+	[UWB_RSV_STATE_T_DENIED]             = "t denied        ",
+	[UWB_RSV_STATE_T_RESIZED]            = "t resized       ",
+	[UWB_RSV_STATE_T_EXPANDING_ACCEPTED] = "t expanding acc ",
+	[UWB_RSV_STATE_T_EXPANDING_CONFLICT] = "t expanding conf",
+	[UWB_RSV_STATE_T_EXPANDING_PENDING]  = "t expanding pend",
+	[UWB_RSV_STATE_T_EXPANDING_DENIED]   = "t expanding den ",
 };
 
 static const char *rsv_types[] = {
@@ -42,6 +52,31 @@ static const char *rsv_types[] = {
 	[UWB_DRP_TYPE_PCA]      = "pca",
 };
 
+bool uwb_rsv_has_two_drp_ies(struct uwb_rsv *rsv)
+{
+	static const bool has_two_drp_ies[] = {
+		[UWB_RSV_STATE_O_INITIATED]               = false,
+		[UWB_RSV_STATE_O_PENDING]                 = false,
+		[UWB_RSV_STATE_O_MODIFIED]                = false,
+		[UWB_RSV_STATE_O_ESTABLISHED]             = false,
+		[UWB_RSV_STATE_O_TO_BE_MOVED]             = false,
+		[UWB_RSV_STATE_O_MOVE_COMBINING]          = false,
+		[UWB_RSV_STATE_O_MOVE_REDUCING]           = false,
+		[UWB_RSV_STATE_O_MOVE_EXPANDING]          = true,
+		[UWB_RSV_STATE_T_ACCEPTED]                = false,
+		[UWB_RSV_STATE_T_CONFLICT]                = false,
+		[UWB_RSV_STATE_T_PENDING]                 = false,
+		[UWB_RSV_STATE_T_DENIED]                  = false,
+		[UWB_RSV_STATE_T_RESIZED]                 = false,
+		[UWB_RSV_STATE_T_EXPANDING_ACCEPTED]      = true,
+		[UWB_RSV_STATE_T_EXPANDING_CONFLICT]      = true,
+		[UWB_RSV_STATE_T_EXPANDING_PENDING]       = true,
+		[UWB_RSV_STATE_T_EXPANDING_DENIED]        = true,
+	};
+
+	return has_two_drp_ies[rsv->state];
+}
+
 /**
  * uwb_rsv_state_str - return a string for a reservation state
  * @state: the reservation state.
@@ -66,7 +101,7 @@ const char *uwb_rsv_type_str(enum uwb_drp_type type)
 }
 EXPORT_SYMBOL_GPL(uwb_rsv_type_str);
 
-static void uwb_rsv_dump(struct uwb_rsv *rsv)
+void uwb_rsv_dump(char *text, struct uwb_rsv *rsv)
 {
 	struct device *dev = &rsv->rc->uwb_dev.dev;
 	struct uwb_dev_addr devaddr;
@@ -82,6 +117,23 @@ static void uwb_rsv_dump(struct uwb_rsv *rsv)
 	dev_dbg(dev, "rsv %s -> %s: %s\n", owner, target, uwb_rsv_state_str(rsv->state));
 }
 
+static void uwb_rsv_release(struct kref *kref)
+{
+	struct uwb_rsv *rsv = container_of(kref, struct uwb_rsv, kref);
+
+	kfree(rsv);
+}
+
+void uwb_rsv_get(struct uwb_rsv *rsv)
+{
+	kref_get(&rsv->kref);
+}
+
+void uwb_rsv_put(struct uwb_rsv *rsv)
+{
+	kref_put(&rsv->kref, uwb_rsv_release);
+}
+
 /*
  * Get a free stream index for a reservation.
  *
@@ -92,6 +144,7 @@ static void uwb_rsv_dump(struct uwb_rsv *rsv)
 static int uwb_rsv_get_stream(struct uwb_rsv *rsv)
 {
 	struct uwb_rc *rc = rsv->rc;
+	struct device *dev = &rc->uwb_dev.dev;
 	unsigned long *streams_bm;
 	int stream;
 
@@ -113,12 +166,15 @@ static int uwb_rsv_get_stream(struct uwb_rsv *rsv)
 	rsv->stream = stream;
 	set_bit(stream, streams_bm);
 
+	dev_dbg(dev, "get stream %d\n", rsv->stream);
+
 	return 0;
 }
 
 static void uwb_rsv_put_stream(struct uwb_rsv *rsv)
 {
 	struct uwb_rc *rc = rsv->rc;
+	struct device *dev = &rc->uwb_dev.dev;
 	unsigned long *streams_bm;
 
 	switch (rsv->target.type) {
@@ -133,86 +189,52 @@ static void uwb_rsv_put_stream(struct uwb_rsv *rsv)
 	}
 
 	clear_bit(rsv->stream, streams_bm);
+
+	dev_dbg(dev, "put stream %d\n", rsv->stream);
 }
 
-/*
- * Generate a MAS allocation with a single row component.
- */
-static void uwb_rsv_gen_alloc_row(struct uwb_mas_bm *mas,
-				  int first_mas, int mas_per_zone,
-				  int zs, int ze)
+void uwb_rsv_backoff_win_timer(unsigned long arg)
 {
-	struct uwb_mas_bm col;
-	int z;
-
-	bitmap_zero(mas->bm, UWB_NUM_MAS);
-	bitmap_zero(col.bm, UWB_NUM_MAS);
-	bitmap_fill(col.bm, mas_per_zone);
-	bitmap_shift_left(col.bm, col.bm, first_mas + zs * UWB_MAS_PER_ZONE, UWB_NUM_MAS);
-
-	for (z = zs; z <= ze; z++) {
-		bitmap_or(mas->bm, mas->bm, col.bm, UWB_NUM_MAS);
-		bitmap_shift_left(col.bm, col.bm, UWB_MAS_PER_ZONE, UWB_NUM_MAS);
+	struct uwb_drp_backoff_win *bow = (struct uwb_drp_backoff_win *)arg;
+	struct uwb_rc *rc = container_of(bow, struct uwb_rc, bow);
+	struct device *dev = &rc->uwb_dev.dev;
+
+	bow->can_reserve_extra_mases = true;
+	if (bow->total_expired <= 4) {
+		bow->total_expired++;
+	} else {
+		/* after 4 backoff window has expired we can exit from
+		 * the backoff procedure */
+		bow->total_expired = 0;
+		bow->window = UWB_DRP_BACKOFF_WIN_MIN >> 1;
 	}
+	dev_dbg(dev, "backoff_win_timer total_expired=%d, n=%d\n: ", bow->total_expired, bow->n);
+
+	/* try to relocate all the "to be moved" relocations */
+	uwb_rsv_handle_drp_avail_change(rc);
 }
 
-/*
- * Allocate some MAS for this reservation based on current local
- * availability, the reservation parameters (max_mas, min_mas,
- * sparsity), and the WiMedia rules for MAS allocations.
- *
- * Returns -EBUSY is insufficient free MAS are available.
- *
- * FIXME: to simplify this, only safe reservations with a single row
- * component in zones 1 to 15 are tried (zone 0 is skipped to avoid
- * problems with the MAS reserved for the BP).
- *
- * [ECMA-368] section B.2.
- */
-static int uwb_rsv_alloc_mas(struct uwb_rsv *rsv)
+void uwb_rsv_backoff_win_increment(struct uwb_rc *rc)
 {
-	static const int safe_mas_in_row[UWB_NUM_ZONES] = {
-		8, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1,
-	};
-	int n, r;
-	struct uwb_mas_bm mas;
-	bool found = false;
+	struct uwb_drp_backoff_win *bow = &rc->bow;
+	struct device *dev = &rc->uwb_dev.dev;
+	unsigned timeout_us;
 
-	/*
-	 * Search all valid safe allocations until either: too few MAS
-	 * are available; or the smallest allocation with sufficient
-	 * MAS is found.
-	 *
-	 * The top of the zones are preferred, so space for larger
-	 * allocations is available in the bottom of the zone (e.g., a
-	 * 15 MAS allocation should start in row 14 leaving space for
-	 * a 120 MAS allocation at row 0).
-	 */
-	for (n = safe_mas_in_row[0]; n >= 1; n--) {
-		int num_mas;
+	dev_dbg(dev, "backoff_win_increment: window=%d\n", bow->window);
 
-		num_mas = n * (UWB_NUM_ZONES - 1);
-		if (num_mas < rsv->min_mas)
-			break;
-		if (found && num_mas < rsv->max_mas)
-			break;
+	bow->can_reserve_extra_mases = false;
 
-		for (r = UWB_MAS_PER_ZONE-1;  r >= 0; r--) {
-			if (safe_mas_in_row[r] < n)
-				continue;
-			uwb_rsv_gen_alloc_row(&mas, r, n, 1, UWB_NUM_ZONES);
-			if (uwb_drp_avail_reserve_pending(rsv->rc, &mas) == 0) {
-				found = true;
-				break;
-			}
-		}
-	}
+	if((bow->window << 1) == UWB_DRP_BACKOFF_WIN_MAX)
+		return;
 
-	if (!found)
-		return -EBUSY;
+	bow->window <<= 1;
+	bow->n = random32() & (bow->window - 1);
+	dev_dbg(dev, "new_window=%d, n=%d\n: ", bow->window, bow->n);
 
-	bitmap_copy(rsv->mas.bm, mas.bm, UWB_NUM_MAS);
-	return 0;
+	/* reset the timer associated variables */
+	timeout_us = bow->n * UWB_SUPERFRAME_LENGTH_US;
+	bow->total_expired = 0;
+	mod_timer(&bow->timer, jiffies + usecs_to_jiffies(timeout_us));		
 }
 
 static void uwb_rsv_stroke_timer(struct uwb_rsv *rsv)
@@ -225,13 +247,16 @@ static void uwb_rsv_stroke_timer(struct uwb_rsv *rsv)
 	 * received.
 	 */
 	if (rsv->is_multicast) {
-		if (rsv->state == UWB_RSV_STATE_O_INITIATED)
+		if (rsv->state == UWB_RSV_STATE_O_INITIATED
+		    || rsv->state == UWB_RSV_STATE_O_MOVE_EXPANDING
+		    || rsv->state == UWB_RSV_STATE_O_MOVE_COMBINING
+		    || rsv->state == UWB_RSV_STATE_O_MOVE_REDUCING)
 			sframes = 1;
 		if (rsv->state == UWB_RSV_STATE_O_ESTABLISHED)
 			sframes = 0;
+		
 	}
 
-	rsv->expired = false;
 	if (sframes > 0) {
 		/*
 		 * Add an additional 2 superframes to account for the
@@ -253,7 +278,7 @@ static void uwb_rsv_state_update(struct uwb_rsv *rsv,
 	rsv->state = new_state;
 	rsv->ie_valid = false;
 
-	uwb_rsv_dump(rsv);
+	uwb_rsv_dump("SU", rsv);
 
 	uwb_rsv_stroke_timer(rsv);
 	uwb_rsv_sched_update(rsv->rc);
@@ -267,10 +292,17 @@ static void uwb_rsv_callback(struct uwb_rsv *rsv)
 
 void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state)
 {
+	struct uwb_rsv_move *mv = &rsv->mv;
+
 	if (rsv->state == new_state) {
 		switch (rsv->state) {
 		case UWB_RSV_STATE_O_ESTABLISHED:
+		case UWB_RSV_STATE_O_MOVE_EXPANDING:
+		case UWB_RSV_STATE_O_MOVE_COMBINING:
+		case UWB_RSV_STATE_O_MOVE_REDUCING:
 		case UWB_RSV_STATE_T_ACCEPTED:
+		case UWB_RSV_STATE_T_EXPANDING_ACCEPTED:
+		case UWB_RSV_STATE_T_RESIZED:
 		case UWB_RSV_STATE_NONE:
 			uwb_rsv_stroke_timer(rsv);
 			break;
@@ -282,10 +314,10 @@ void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state)
 		return;
 	}
 
+	uwb_rsv_dump("SC", rsv);
+
 	switch (new_state) {
 	case UWB_RSV_STATE_NONE:
-		uwb_drp_avail_release(rsv->rc, &rsv->mas);
-		uwb_rsv_put_stream(rsv);
 		uwb_rsv_state_update(rsv, UWB_RSV_STATE_NONE);
 		uwb_rsv_callback(rsv);
 		break;
@@ -295,12 +327,45 @@ void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state)
 	case UWB_RSV_STATE_O_PENDING:
 		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_PENDING);
 		break;
+	case UWB_RSV_STATE_O_MODIFIED:
+		/* in the companion there are the MASes to drop */
+		bitmap_andnot(rsv->mas.bm, rsv->mas.bm, mv->companion_mas.bm, UWB_NUM_MAS);
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_MODIFIED);
+		break;
 	case UWB_RSV_STATE_O_ESTABLISHED:
+		if (rsv->state == UWB_RSV_STATE_O_MODIFIED
+		    || rsv->state == UWB_RSV_STATE_O_MOVE_REDUCING) {
+			uwb_drp_avail_release(rsv->rc, &mv->companion_mas);
+			rsv->needs_release_companion_mas = false;
+		}
 		uwb_drp_avail_reserve(rsv->rc, &rsv->mas);
 		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_ESTABLISHED);
 		uwb_rsv_callback(rsv);
 		break;
+	case UWB_RSV_STATE_O_MOVE_EXPANDING:
+		rsv->needs_release_companion_mas = true;
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_MOVE_EXPANDING);
+		break;
+	case UWB_RSV_STATE_O_MOVE_COMBINING:
+		rsv->needs_release_companion_mas = false;
+		uwb_drp_avail_reserve(rsv->rc, &mv->companion_mas);
+		bitmap_or(rsv->mas.bm, rsv->mas.bm, mv->companion_mas.bm, UWB_NUM_MAS);
+		rsv->mas.safe   += mv->companion_mas.safe;
+		rsv->mas.unsafe += mv->companion_mas.unsafe;
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_MOVE_COMBINING);
+		break;
+	case UWB_RSV_STATE_O_MOVE_REDUCING:
+		bitmap_andnot(mv->companion_mas.bm, rsv->mas.bm, mv->final_mas.bm, UWB_NUM_MAS);
+		rsv->needs_release_companion_mas = true;
+		rsv->mas.safe   = mv->final_mas.safe;
+		rsv->mas.unsafe = mv->final_mas.unsafe;
+		bitmap_copy(rsv->mas.bm, mv->final_mas.bm, UWB_NUM_MAS);
+		bitmap_copy(rsv->mas.unsafe_bm, mv->final_mas.unsafe_bm, UWB_NUM_MAS);
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_MOVE_REDUCING);
+		break;
 	case UWB_RSV_STATE_T_ACCEPTED:
+	case UWB_RSV_STATE_T_RESIZED:
+		rsv->needs_release_companion_mas = false;
 		uwb_drp_avail_reserve(rsv->rc, &rsv->mas);
 		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_ACCEPTED);
 		uwb_rsv_callback(rsv);
@@ -308,12 +373,82 @@ void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state)
 	case UWB_RSV_STATE_T_DENIED:
 		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_DENIED);
 		break;
+	case UWB_RSV_STATE_T_CONFLICT:
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_CONFLICT);
+		break;
+	case UWB_RSV_STATE_T_PENDING:
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_PENDING);
+		break;
+	case UWB_RSV_STATE_T_EXPANDING_ACCEPTED:
+		rsv->needs_release_companion_mas = true;
+		uwb_drp_avail_reserve(rsv->rc, &mv->companion_mas);
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_EXPANDING_ACCEPTED);
+		break;
 	default:
 		dev_err(&rsv->rc->uwb_dev.dev, "unhandled state: %s (%d)\n",
 			uwb_rsv_state_str(new_state), new_state);
 	}
 }
 
+static void uwb_rsv_handle_timeout_work(struct work_struct *work)
+{
+	struct uwb_rsv *rsv = container_of(work, struct uwb_rsv,
+					   handle_timeout_work);
+	struct uwb_rc *rc = rsv->rc;
+
+	mutex_lock(&rc->rsvs_mutex);
+
+	uwb_rsv_dump("TO", rsv);
+
+	switch (rsv->state) {
+	case UWB_RSV_STATE_O_INITIATED:
+		if (rsv->is_multicast) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+			goto unlock;
+		}
+		break;
+	case UWB_RSV_STATE_O_MOVE_EXPANDING:
+		if (rsv->is_multicast) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_COMBINING);
+			goto unlock;
+		}
+		break;
+	case UWB_RSV_STATE_O_MOVE_COMBINING:
+		if (rsv->is_multicast) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_REDUCING);
+			goto unlock;
+		}
+		break;
+	case UWB_RSV_STATE_O_MOVE_REDUCING:
+		if (rsv->is_multicast) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+			goto unlock;
+		}
+		break;
+	case UWB_RSV_STATE_O_ESTABLISHED:
+		if (rsv->is_multicast)
+			goto unlock;
+		break;
+	case UWB_RSV_STATE_T_EXPANDING_ACCEPTED:
+		/*
+		 * The time out could be for the main or of the
+		 * companion DRP, assume it's for the companion and
+		 * drop that first.  A further time out is required to
+		 * drop the main.
+		 */
+		uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_ACCEPTED);
+		uwb_drp_avail_release(rsv->rc, &rsv->mv.companion_mas);
+		goto unlock;
+	default:
+		break;
+	}
+
+	uwb_rsv_remove(rsv);
+
+unlock:
+	mutex_unlock(&rc->rsvs_mutex);
+}
+
 static struct uwb_rsv *uwb_rsv_alloc(struct uwb_rc *rc)
 {
 	struct uwb_rsv *rsv;
@@ -324,23 +459,17 @@ static struct uwb_rsv *uwb_rsv_alloc(struct uwb_rc *rc)
 
 	INIT_LIST_HEAD(&rsv->rc_node);
 	INIT_LIST_HEAD(&rsv->pal_node);
+	kref_init(&rsv->kref);
 	init_timer(&rsv->timer);
 	rsv->timer.function = uwb_rsv_timer;
 	rsv->timer.data     = (unsigned long)rsv;
 
 	rsv->rc = rc;
+	INIT_WORK(&rsv->handle_timeout_work, uwb_rsv_handle_timeout_work);
 
 	return rsv;
 }
 
-static void uwb_rsv_free(struct uwb_rsv *rsv)
-{
-	uwb_dev_put(rsv->owner);
-	if (rsv->target.type == UWB_RSV_TARGET_DEV)
-		uwb_dev_put(rsv->target.dev);
-	kfree(rsv);
-}
-
 /**
  * uwb_rsv_create - allocate and initialize a UWB reservation structure
  * @rc: the radio controller
@@ -371,26 +500,36 @@ EXPORT_SYMBOL_GPL(uwb_rsv_create);
 
 void uwb_rsv_remove(struct uwb_rsv *rsv)
 {
+	uwb_rsv_dump("RM", rsv);
+
 	if (rsv->state != UWB_RSV_STATE_NONE)
 		uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+
+	if (rsv->needs_release_companion_mas)
+		uwb_drp_avail_release(rsv->rc, &rsv->mv.companion_mas);
+	uwb_drp_avail_release(rsv->rc, &rsv->mas);
+
+	if (uwb_rsv_is_owner(rsv))
+		uwb_rsv_put_stream(rsv);
+	
 	del_timer_sync(&rsv->timer);
-	list_del(&rsv->rc_node);
-	uwb_rsv_free(rsv);
+	uwb_dev_put(rsv->owner);
+	if (rsv->target.type == UWB_RSV_TARGET_DEV)
+		uwb_dev_put(rsv->target.dev);
+
+	list_del_init(&rsv->rc_node);
+	uwb_rsv_put(rsv);
 }
 
 /**
  * uwb_rsv_destroy - free a UWB reservation structure
  * @rsv: the reservation to free
  *
- * The reservation will be terminated if it is pending or established.
+ * The reservation must already be terminated.
  */
 void uwb_rsv_destroy(struct uwb_rsv *rsv)
 {
-	struct uwb_rc *rc = rsv->rc;
-
-	mutex_lock(&rc->rsvs_mutex);
-	uwb_rsv_remove(rsv);
-	mutex_unlock(&rc->rsvs_mutex);
+	uwb_rsv_put(rsv);
 }
 EXPORT_SYMBOL_GPL(uwb_rsv_destroy);
 
@@ -399,7 +538,7 @@ EXPORT_SYMBOL_GPL(uwb_rsv_destroy);
  * @rsv: the reservation
  *
  * The PAL should fill in @rsv's owner, target, type, max_mas,
- * min_mas, sparsity and is_multicast fields.  If the target is a
+ * min_mas, max_interval and is_multicast fields.  If the target is a
  * uwb_dev it must be referenced.
  *
  * The reservation's callback will be called when the reservation is
@@ -408,20 +547,32 @@ EXPORT_SYMBOL_GPL(uwb_rsv_destroy);
 int uwb_rsv_establish(struct uwb_rsv *rsv)
 {
 	struct uwb_rc *rc = rsv->rc;
+	struct uwb_mas_bm available;
 	int ret;
 
 	mutex_lock(&rc->rsvs_mutex);
-
 	ret = uwb_rsv_get_stream(rsv);
 	if (ret)
 		goto out;
 
-	ret = uwb_rsv_alloc_mas(rsv);
-	if (ret) {
+	rsv->tiebreaker = random32() & 1;
+	/* get available mas bitmap */
+	uwb_drp_available(rc, &available);
+
+	ret = uwb_rsv_find_best_allocation(rsv, &available, &rsv->mas);
+	if (ret == UWB_RSV_ALLOC_NOT_FOUND) {
+		ret = -EBUSY;
+		uwb_rsv_put_stream(rsv);
+		goto out;
+	}
+
+	ret = uwb_drp_avail_reserve_pending(rc, &rsv->mas);
+	if (ret != 0) {
 		uwb_rsv_put_stream(rsv);
 		goto out;
 	}
 
+	uwb_rsv_get(rsv);
 	list_add_tail(&rsv->rc_node, &rc->reservations);
 	rsv->owner = &rc->uwb_dev;
 	uwb_dev_get(rsv->owner);
@@ -437,16 +588,71 @@ EXPORT_SYMBOL_GPL(uwb_rsv_establish);
  * @rsv: the reservation to modify
  * @max_mas: new maximum MAS to reserve
  * @min_mas: new minimum MAS to reserve
- * @sparsity: new sparsity to use
+ * @max_interval: new max_interval to use
  *
  * FIXME: implement this once there are PALs that use it.
  */
-int uwb_rsv_modify(struct uwb_rsv *rsv, int max_mas, int min_mas, int sparsity)
+int uwb_rsv_modify(struct uwb_rsv *rsv, int max_mas, int min_mas, int max_interval)
 {
 	return -ENOSYS;
 }
 EXPORT_SYMBOL_GPL(uwb_rsv_modify);
 
+/*
+ * move an already established reservation (rc->rsvs_mutex must to be
+ * taken when tis function is called)
+ */
+int uwb_rsv_try_move(struct uwb_rsv *rsv, struct uwb_mas_bm *available)
+{
+	struct uwb_rc *rc = rsv->rc;
+	struct uwb_drp_backoff_win *bow = &rc->bow;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rsv_move *mv;
+	int ret = 0;
+ 
+	if (bow->can_reserve_extra_mases == false)
+		return -EBUSY;
+
+	mv = &rsv->mv;
+
+	if (uwb_rsv_find_best_allocation(rsv, available, &mv->final_mas) == UWB_RSV_ALLOC_FOUND) {
+
+		if (!bitmap_equal(rsv->mas.bm, mv->final_mas.bm, UWB_NUM_MAS)) {
+			/* We want to move the reservation */
+			bitmap_andnot(mv->companion_mas.bm, mv->final_mas.bm, rsv->mas.bm, UWB_NUM_MAS);
+			uwb_drp_avail_reserve_pending(rc, &mv->companion_mas);
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_MOVE_EXPANDING);
+		}
+	} else {
+		dev_dbg(dev, "new allocation not found\n");
+	}
+	
+	return ret;
+}
+
+/* It will try to move every reservation in state O_ESTABLISHED giving
+ * to the MAS allocator algorithm an availability that is the real one
+ * plus the allocation already established from the reservation. */
+void uwb_rsv_handle_drp_avail_change(struct uwb_rc *rc)
+{
+	struct uwb_drp_backoff_win *bow = &rc->bow;
+	struct uwb_rsv *rsv;
+	struct uwb_mas_bm mas;
+	
+	if (bow->can_reserve_extra_mases == false)
+		return;
+
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		if (rsv->state == UWB_RSV_STATE_O_ESTABLISHED ||
+		    rsv->state == UWB_RSV_STATE_O_TO_BE_MOVED) {
+			uwb_drp_available(rc, &mas);
+			bitmap_or(mas.bm, mas.bm, rsv->mas.bm, UWB_NUM_MAS);
+			uwb_rsv_try_move(rsv, &mas);
+		}
+	}
+	
+}
+
 /**
  * uwb_rsv_terminate - terminate an established reservation
  * @rsv: the reservation to terminate
@@ -463,7 +669,8 @@ void uwb_rsv_terminate(struct uwb_rsv *rsv)
 
 	mutex_lock(&rc->rsvs_mutex);
 
-	uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+	if (rsv->state != UWB_RSV_STATE_NONE)
+		uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
 
 	mutex_unlock(&rc->rsvs_mutex);
 }
@@ -477,9 +684,14 @@ EXPORT_SYMBOL_GPL(uwb_rsv_terminate);
  *
  * Reservation requests from peers are denied unless a PAL accepts it
  * by calling this function.
+ *
+ * The PAL call uwb_rsv_destroy() for all accepted reservations before
+ * calling uwb_pal_unregister().
  */
 void uwb_rsv_accept(struct uwb_rsv *rsv, uwb_rsv_cb_f cb, void *pal_priv)
 {
+	uwb_rsv_get(rsv);
+
 	rsv->callback = cb;
 	rsv->pal_priv = pal_priv;
 	rsv->state    = UWB_RSV_STATE_T_ACCEPTED;
@@ -530,9 +742,9 @@ static struct uwb_rsv *uwb_rsv_new_target(struct uwb_rc *rc,
 	uwb_dev_get(rsv->owner);
 	rsv->target.type = UWB_RSV_TARGET_DEV;
 	rsv->target.dev  = &rc->uwb_dev;
+	uwb_dev_get(&rc->uwb_dev);
 	rsv->type        = uwb_ie_drp_type(drp_ie);
 	rsv->stream      = uwb_ie_drp_stream_index(drp_ie);
-	set_bit(rsv->stream, rsv->owner->streams);
 	uwb_drp_ie_to_bm(&rsv->mas, drp_ie);
 
 	/*
@@ -540,24 +752,46 @@ static struct uwb_rsv *uwb_rsv_new_target(struct uwb_rc *rc,
 	 * deny the request.
 	 */
 	rsv->state = UWB_RSV_STATE_T_DENIED;
-	spin_lock(&rc->pal_lock);
+	mutex_lock(&rc->uwb_dev.mutex);
 	list_for_each_entry(pal, &rc->pals, node) {
 		if (pal->new_rsv)
-			pal->new_rsv(rsv);
+			pal->new_rsv(pal, rsv);
 		if (rsv->state == UWB_RSV_STATE_T_ACCEPTED)
 			break;
 	}
-	spin_unlock(&rc->pal_lock);
+	mutex_unlock(&rc->uwb_dev.mutex);
 
 	list_add_tail(&rsv->rc_node, &rc->reservations);
 	state = rsv->state;
 	rsv->state = UWB_RSV_STATE_NONE;
-	uwb_rsv_set_state(rsv, state);
+
+	/* FIXME: do something sensible here */
+	if (state == UWB_RSV_STATE_T_ACCEPTED
+	    && uwb_drp_avail_reserve_pending(rc, &rsv->mas) == -EBUSY) {
+		/* FIXME: do something sensible here */
+	} else {
+		uwb_rsv_set_state(rsv, state);
+	}
 
 	return rsv;
 }
 
 /**
+ * uwb_rsv_get_usable_mas - get the bitmap of the usable MAS of a reservations
+ * @rsv: the reservation.
+ * @mas: returns the available MAS.
+ *
+ * The usable MAS of a reservation may be less than the negotiated MAS
+ * if alien BPs are present.
+ */
+void uwb_rsv_get_usable_mas(struct uwb_rsv *rsv, struct uwb_mas_bm *mas)
+{
+	bitmap_zero(mas->bm, UWB_NUM_MAS);
+	bitmap_andnot(mas->bm, rsv->mas.bm, rsv->rc->cnflt_alien_bitmap.bm, UWB_NUM_MAS);
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_get_usable_mas);
+
+/**
  * uwb_rsv_find - find a reservation for a received DRP IE.
  * @rc: the radio controller
  * @src: source of the DRP IE
@@ -596,8 +830,6 @@ static bool uwb_rsv_update_all(struct uwb_rc *rc)
 	bool ie_updated = false;
 
 	list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
-		if (rsv->expired)
-			uwb_drp_handle_timeout(rsv);
 		if (!rsv->ie_valid) {
 			uwb_drp_ie_update(rsv);
 			ie_updated = true;
@@ -607,9 +839,47 @@ static bool uwb_rsv_update_all(struct uwb_rc *rc)
 	return ie_updated;
 }
 
+void uwb_rsv_queue_update(struct uwb_rc *rc)
+{
+	unsigned long delay_us = UWB_MAS_LENGTH_US * UWB_MAS_PER_ZONE;
+
+	queue_delayed_work(rc->rsv_workq, &rc->rsv_update_work, usecs_to_jiffies(delay_us));
+}
+
+/**
+ * uwb_rsv_sched_update - schedule an update of the DRP IEs
+ * @rc: the radio controller.
+ *
+ * To improve performance and ensure correctness with [ECMA-368] the
+ * number of SET-DRP-IE commands that are done are limited.
+ *
+ * DRP IEs update come from two sources: DRP events from the hardware
+ * which all occur at the beginning of the superframe ('syncronous'
+ * events) and reservation establishment/termination requests from
+ * PALs or timers ('asynchronous' events).
+ *
+ * A delayed work ensures that all the synchronous events result in
+ * one SET-DRP-IE command.
+ *
+ * Additional logic (the set_drp_ie_pending and rsv_updated_postponed
+ * flags) will prevent an asynchrous event starting a SET-DRP-IE
+ * command if one is currently awaiting a response.
+ *
+ * FIXME: this does leave a window where an asynchrous event can delay
+ * the SET-DRP-IE for a synchronous event by one superframe.
+ */
 void uwb_rsv_sched_update(struct uwb_rc *rc)
 {
-	queue_work(rc->rsv_workq, &rc->rsv_update_work);
+	spin_lock(&rc->rsvs_lock);
+	if (!delayed_work_pending(&rc->rsv_update_work)) {
+		if (rc->set_drp_ie_pending > 0) {
+			rc->set_drp_ie_pending++;
+			goto unlock;
+		}
+		uwb_rsv_queue_update(rc);
+	}
+unlock:
+	spin_unlock(&rc->rsvs_lock);
 }
 
 /*
@@ -618,7 +888,8 @@ void uwb_rsv_sched_update(struct uwb_rc *rc)
  */
 static void uwb_rsv_update_work(struct work_struct *work)
 {
-	struct uwb_rc *rc = container_of(work, struct uwb_rc, rsv_update_work);
+	struct uwb_rc *rc = container_of(work, struct uwb_rc,
+					 rsv_update_work.work);
 	bool ie_updated;
 
 	mutex_lock(&rc->rsvs_mutex);
@@ -630,25 +901,71 @@ static void uwb_rsv_update_work(struct work_struct *work)
 		ie_updated = true;
 	}
 
-	if (ie_updated)
+	if (ie_updated && (rc->set_drp_ie_pending == 0))
 		uwb_rc_send_all_drp_ie(rc);
 
 	mutex_unlock(&rc->rsvs_mutex);
 }
 
+static void uwb_rsv_alien_bp_work(struct work_struct *work)
+{
+	struct uwb_rc *rc = container_of(work, struct uwb_rc,
+					 rsv_alien_bp_work.work);
+	struct uwb_rsv *rsv;
+
+	mutex_lock(&rc->rsvs_mutex);
+	
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		if (rsv->type != UWB_DRP_TYPE_ALIEN_BP) {
+			rsv->callback(rsv);
+		}
+	}
+
+	mutex_unlock(&rc->rsvs_mutex);
+}
+
 static void uwb_rsv_timer(unsigned long arg)
 {
 	struct uwb_rsv *rsv = (struct uwb_rsv *)arg;
 
-	rsv->expired = true;
-	uwb_rsv_sched_update(rsv->rc);
+	queue_work(rsv->rc->rsv_workq, &rsv->handle_timeout_work);
+}
+
+/**
+ * uwb_rsv_remove_all - remove all reservations
+ * @rc: the radio controller
+ *
+ * A DRP IE update is not done.
+ */
+void uwb_rsv_remove_all(struct uwb_rc *rc)
+{
+	struct uwb_rsv *rsv, *t;
+
+	mutex_lock(&rc->rsvs_mutex);
+	list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
+		uwb_rsv_remove(rsv);
+	}
+	/* Cancel any postponed update. */
+	rc->set_drp_ie_pending = 0;
+	mutex_unlock(&rc->rsvs_mutex);
+
+	cancel_delayed_work_sync(&rc->rsv_update_work);
 }
 
 void uwb_rsv_init(struct uwb_rc *rc)
 {
 	INIT_LIST_HEAD(&rc->reservations);
+	INIT_LIST_HEAD(&rc->cnflt_alien_list);
 	mutex_init(&rc->rsvs_mutex);
-	INIT_WORK(&rc->rsv_update_work, uwb_rsv_update_work);
+	spin_lock_init(&rc->rsvs_lock);
+	INIT_DELAYED_WORK(&rc->rsv_update_work, uwb_rsv_update_work);
+	INIT_DELAYED_WORK(&rc->rsv_alien_bp_work, uwb_rsv_alien_bp_work);
+	rc->bow.can_reserve_extra_mases = true;
+	rc->bow.total_expired = 0;
+	rc->bow.window = UWB_DRP_BACKOFF_WIN_MIN >> 1;
+	init_timer(&rc->bow.timer);
+	rc->bow.timer.function = uwb_rsv_backoff_win_timer;
+	rc->bow.timer.data     = (unsigned long)&rc->bow;
 
 	bitmap_complement(rc->uwb_dev.streams, rc->uwb_dev.streams, UWB_NUM_STREAMS);
 }
@@ -667,14 +984,6 @@ int uwb_rsv_setup(struct uwb_rc *rc)
 
 void uwb_rsv_cleanup(struct uwb_rc *rc)
 {
-	struct uwb_rsv *rsv, *t;
-
-	mutex_lock(&rc->rsvs_mutex);
-	list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
-		uwb_rsv_remove(rsv);
-	}
-	mutex_unlock(&rc->rsvs_mutex);
-
-	cancel_work_sync(&rc->rsv_update_work);
+	uwb_rsv_remove_all(rc);
 	destroy_workqueue(rc->rsv_workq);
 }
diff --git a/drivers/uwb/umc-bus.c b/drivers/uwb/umc-bus.c
index 2d8d62d9f53..5ad36164c13 100644
--- a/drivers/uwb/umc-bus.c
+++ b/drivers/uwb/umc-bus.c
@@ -11,23 +11,48 @@
 #include <linux/uwb/umc.h>
 #include <linux/pci.h>
 
-static int umc_bus_unbind_helper(struct device *dev, void *data)
+static int umc_bus_pre_reset_helper(struct device *dev, void *data)
 {
-	struct device *parent = data;
+	int ret = 0;
 
-	if (dev->parent == parent && dev->driver)
-		device_release_driver(dev);
-	return 0;
+	if (dev->driver) {
+		struct umc_dev *umc = to_umc_dev(dev);
+		struct umc_driver *umc_drv = to_umc_driver(dev->driver);
+
+		if (umc_drv->pre_reset)
+			ret = umc_drv->pre_reset(umc);
+		else
+			device_release_driver(dev);
+	}
+	return ret;
+}
+
+static int umc_bus_post_reset_helper(struct device *dev, void *data)
+{
+	int ret = 0;
+
+	if (dev->driver) {
+		struct umc_dev *umc = to_umc_dev(dev);
+		struct umc_driver *umc_drv = to_umc_driver(dev->driver);
+
+		if (umc_drv->post_reset)
+			ret = umc_drv->post_reset(umc);
+	} else
+		ret = device_attach(dev);
+
+	return ret;
 }
 
 /**
  * umc_controller_reset - reset the whole UMC controller
  * @umc: the UMC device for the radio controller.
  *
- * Drivers will be unbound from all UMC devices belonging to the
- * controller and then the radio controller will be rebound.  The
- * radio controller is expected to do a full hardware reset when it is
- * probed.
+ * Drivers or all capabilities of the controller will have their
+ * pre_reset methods called or be unbound from their device.  Then all
+ * post_reset methods will be called or the drivers will be rebound.
+ *
+ * Radio controllers must provide pre_reset and post_reset methods and
+ * reset the hardware in their start method.
  *
  * If this is called while a probe() or remove() is in progress it
  * will return -EAGAIN and not perform the reset.
@@ -35,14 +60,13 @@ static int umc_bus_unbind_helper(struct device *dev, void *data)
 int umc_controller_reset(struct umc_dev *umc)
 {
 	struct device *parent = umc->dev.parent;
-	int ret;
+	int ret = 0;
 
-	if (down_trylock(&parent->sem))
+	if(down_trylock(&parent->sem))
 		return -EAGAIN;
-	bus_for_each_dev(&umc_bus_type, NULL, parent, umc_bus_unbind_helper);
-	ret = device_attach(&umc->dev);
-	if (ret == 1)
-		ret = 0;
+	ret = device_for_each_child(parent, parent, umc_bus_pre_reset_helper);
+	if (ret >= 0)
+		device_for_each_child(parent, parent, umc_bus_post_reset_helper);
 	up(&parent->sem);
 
 	return ret;
@@ -75,10 +99,10 @@ static int umc_bus_rescan_helper(struct device *dev, void *data)
 	if (!dev->driver)
 		ret = device_attach(dev);
 
-	return ret < 0 ? ret : 0;
+	return ret;
 }
 
-static void umc_bus_rescan(void)
+static void umc_bus_rescan(struct device *parent)
 {
 	int err;
 
@@ -86,7 +110,7 @@ static void umc_bus_rescan(void)
 	 * We can't use bus_rescan_devices() here as it deadlocks when
 	 * it tries to retake the dev->parent semaphore.
 	 */
-	err = bus_for_each_dev(&umc_bus_type, NULL, NULL, umc_bus_rescan_helper);
+	err = device_for_each_child(parent, NULL, umc_bus_rescan_helper);
 	if (err < 0)
 		printk(KERN_WARNING "%s: rescan of bus failed: %d\n",
 		       KBUILD_MODNAME, err);
@@ -120,7 +144,7 @@ static int umc_device_probe(struct device *dev)
 	if (err)
 		put_device(dev);
 	else
-		umc_bus_rescan();
+		umc_bus_rescan(dev->parent);
 
 	return err;
 }
diff --git a/drivers/uwb/umc-dev.c b/drivers/uwb/umc-dev.c
index aa44e1c1a10..1fc7d8270bb 100644
--- a/drivers/uwb/umc-dev.c
+++ b/drivers/uwb/umc-dev.c
@@ -7,8 +7,6 @@
  */
 #include <linux/kernel.h>
 #include <linux/uwb/umc.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
 
 static void umc_device_release(struct device *dev)
 {
@@ -31,8 +29,7 @@ struct umc_dev *umc_device_create(struct device *parent, int n)
 
 	umc = kzalloc(sizeof(struct umc_dev), GFP_KERNEL);
 	if (umc) {
-		snprintf(umc->dev.bus_id, sizeof(umc->dev.bus_id), "%s-%d",
-			 parent->bus_id, n);
+		dev_set_name(&umc->dev, "%s-%d", dev_name(parent), n);
 		umc->dev.parent  = parent;
 		umc->dev.bus     = &umc_bus_type;
 		umc->dev.release = umc_device_release;
@@ -54,8 +51,6 @@ int umc_device_register(struct umc_dev *umc)
 {
 	int err;
 
-	d_fnstart(3, &umc->dev, "(umc_dev %p)\n", umc);
-
 	err = request_resource(umc->resource.parent, &umc->resource);
 	if (err < 0) {
 		dev_err(&umc->dev, "can't allocate resource range "
@@ -69,13 +64,11 @@ int umc_device_register(struct umc_dev *umc)
 	err = device_register(&umc->dev);
 	if (err < 0)
 		goto error_device_register;
-	d_fnend(3, &umc->dev, "(umc_dev %p) = 0\n", umc);
 	return 0;
 
 error_device_register:
 	release_resource(&umc->resource);
 error_request_resource:
-	d_fnend(3, &umc->dev, "(umc_dev %p) = %d\n", umc, err);
 	return err;
 }
 EXPORT_SYMBOL_GPL(umc_device_register);
@@ -95,10 +88,8 @@ void umc_device_unregister(struct umc_dev *umc)
 	if (!umc)
 		return;
 	dev = get_device(&umc->dev);
-	d_fnstart(3, dev, "(umc_dev %p)\n", umc);
 	device_unregister(&umc->dev);
 	release_resource(&umc->resource);
-	d_fnend(3, dev, "(umc_dev %p) = void\n", umc);
 	put_device(dev);
 }
 EXPORT_SYMBOL_GPL(umc_device_unregister);
diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c
index 6d232c35d07..4a42993700c 100644
--- a/drivers/uwb/uwb-debug.c
+++ b/drivers/uwb/uwb-debug.c
@@ -4,6 +4,7 @@
  *
  * Copyright (C) 2005-2006 Intel Corporation
  * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version
@@ -33,31 +34,9 @@
 #include <linux/seq_file.h>
 
 #include <linux/uwb/debug-cmd.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
 
 #include "uwb-internal.h"
 
-void dump_bytes(struct device *dev, const void *_buf, size_t rsize)
-{
-	const char *buf = _buf;
-	char line[32];
-	size_t offset = 0;
-	int cnt, cnt2;
-	for (cnt = 0; cnt < rsize; cnt += 8) {
-		size_t rtop = rsize - cnt < 8 ? rsize - cnt : 8;
-		for (offset = cnt2 = 0; cnt2 < rtop; cnt2++) {
-			offset += scnprintf(line + offset, sizeof(line) - offset,
-					    "%02x ", buf[cnt + cnt2] & 0xff);
-		}
-		if (dev)
-			dev_info(dev, "%s\n", line);
-		else
-			printk(KERN_INFO "%s\n", line);
-	}
-}
-EXPORT_SYMBOL_GPL(dump_bytes);
-
 /*
  * Debug interface
  *
@@ -84,26 +63,23 @@ struct uwb_dbg {
 	struct dentry *reservations_f;
 	struct dentry *accept_f;
 	struct dentry *drp_avail_f;
+	spinlock_t list_lock;
 };
 
 static struct dentry *root_dir;
 
 static void uwb_dbg_rsv_cb(struct uwb_rsv *rsv)
 {
-	struct uwb_rc *rc = rsv->rc;
-	struct device *dev = &rc->uwb_dev.dev;
-	struct uwb_dev_addr devaddr;
-	char owner[UWB_ADDR_STRSIZE], target[UWB_ADDR_STRSIZE];
-
-	uwb_dev_addr_print(owner, sizeof(owner), &rsv->owner->dev_addr);
-	if (rsv->target.type == UWB_RSV_TARGET_DEV)
-		devaddr = rsv->target.dev->dev_addr;
-	else
-		devaddr = rsv->target.devaddr;
-	uwb_dev_addr_print(target, sizeof(target), &devaddr);
+	struct uwb_dbg *dbg = rsv->pal_priv;
 
-	dev_dbg(dev, "debug: rsv %s -> %s: %s\n",
-		owner, target, uwb_rsv_state_str(rsv->state));
+	uwb_rsv_dump("debug", rsv);
+
+	if (rsv->state == UWB_RSV_STATE_NONE) {
+		spin_lock(&dbg->list_lock);
+		list_del(&rsv->pal_node);
+		spin_unlock(&dbg->list_lock);
+		uwb_rsv_destroy(rsv);
+	}
 }
 
 static int cmd_rsv_establish(struct uwb_rc *rc,
@@ -119,26 +95,27 @@ static int cmd_rsv_establish(struct uwb_rc *rc,
 	if (target == NULL)
 		return -ENODEV;
 
-	rsv = uwb_rsv_create(rc, uwb_dbg_rsv_cb, NULL);
+	rsv = uwb_rsv_create(rc, uwb_dbg_rsv_cb, rc->dbg);
 	if (rsv == NULL) {
 		uwb_dev_put(target);
 		return -ENOMEM;
 	}
 
-	rsv->owner       = &rc->uwb_dev;
-	rsv->target.type = UWB_RSV_TARGET_DEV;
-	rsv->target.dev  = target;
-	rsv->type        = cmd->type;
-	rsv->max_mas     = cmd->max_mas;
-	rsv->min_mas     = cmd->min_mas;
-	rsv->sparsity    = cmd->sparsity;
+	rsv->target.type  = UWB_RSV_TARGET_DEV;
+	rsv->target.dev   = target;
+	rsv->type         = cmd->type;
+	rsv->max_mas      = cmd->max_mas;
+	rsv->min_mas      = cmd->min_mas;
+	rsv->max_interval = cmd->max_interval;
 
 	ret = uwb_rsv_establish(rsv);
 	if (ret)
 		uwb_rsv_destroy(rsv);
-	else
+	else {
+		spin_lock(&(rc->dbg)->list_lock);
 		list_add_tail(&rsv->pal_node, &rc->dbg->rsvs);
-
+		spin_unlock(&(rc->dbg)->list_lock);
+	}
 	return ret;
 }
 
@@ -148,21 +125,40 @@ static int cmd_rsv_terminate(struct uwb_rc *rc,
 	struct uwb_rsv *rsv, *found = NULL;
 	int i = 0;
 
+	spin_lock(&(rc->dbg)->list_lock);
+
 	list_for_each_entry(rsv, &rc->dbg->rsvs, pal_node) {
 		if (i == cmd->index) {
 			found = rsv;
+			uwb_rsv_get(found);
 			break;
 		}
+		i++;
 	}
+
+	spin_unlock(&(rc->dbg)->list_lock);
+
 	if (!found)
 		return -EINVAL;
 
-	list_del(&found->pal_node);
 	uwb_rsv_terminate(found);
+	uwb_rsv_put(found);
 
 	return 0;
 }
 
+static int cmd_ie_add(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_add)
+{
+	return uwb_rc_ie_add(rc,
+			     (const struct uwb_ie_hdr *) ie_to_add->data,
+			     ie_to_add->len);
+}
+
+static int cmd_ie_rm(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_rm)
+{
+	return uwb_rc_ie_rm(rc, ie_to_rm->data[0]);
+}
+
 static int command_open(struct inode *inode, struct file *file)
 {
 	file->private_data = inode->i_private;
@@ -175,8 +171,8 @@ static ssize_t command_write(struct file *file, const char __user *buf,
 {
 	struct uwb_rc *rc = file->private_data;
 	struct uwb_dbg_cmd cmd;
-	int ret;
-
+	int ret = 0;
+	
 	if (len != sizeof(struct uwb_dbg_cmd))
 		return -EINVAL;
 
@@ -190,6 +186,18 @@ static ssize_t command_write(struct file *file, const char __user *buf,
 	case UWB_DBG_CMD_RSV_TERMINATE:
 		ret = cmd_rsv_terminate(rc, &cmd.rsv_terminate);
 		break;
+	case UWB_DBG_CMD_IE_ADD:
+		ret = cmd_ie_add(rc, &cmd.ie_add);
+		break;
+	case UWB_DBG_CMD_IE_RM:
+		ret = cmd_ie_rm(rc, &cmd.ie_rm);
+		break;
+	case UWB_DBG_CMD_RADIO_START:
+		ret = uwb_radio_start(&rc->dbg->pal);
+		break;
+	case UWB_DBG_CMD_RADIO_STOP:
+		uwb_radio_stop(&rc->dbg->pal);
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -283,12 +291,26 @@ static struct file_operations drp_avail_fops = {
 	.owner   = THIS_MODULE,
 };
 
-static void uwb_dbg_new_rsv(struct uwb_rsv *rsv)
+static void uwb_dbg_channel_changed(struct uwb_pal *pal, int channel)
+{
+	struct device *dev = &pal->rc->uwb_dev.dev;
+
+	if (channel > 0)
+		dev_info(dev, "debug: channel %d started\n", channel);
+	else
+		dev_info(dev, "debug: channel stopped\n");
+}
+
+static void uwb_dbg_new_rsv(struct uwb_pal *pal, struct uwb_rsv *rsv)
 {
-	struct uwb_rc *rc = rsv->rc;
+	struct uwb_dbg *dbg = container_of(pal, struct uwb_dbg, pal);
 
-	if (rc->dbg->accept)
-		uwb_rsv_accept(rsv, uwb_dbg_rsv_cb, NULL);
+	if (dbg->accept) {
+		spin_lock(&dbg->list_lock);
+		list_add_tail(&rsv->pal_node, &dbg->rsvs);
+		spin_unlock(&dbg->list_lock);
+		uwb_rsv_accept(rsv, uwb_dbg_rsv_cb, dbg);
+	}
 }
 
 /**
@@ -302,10 +324,14 @@ void uwb_dbg_add_rc(struct uwb_rc *rc)
 		return;
 
 	INIT_LIST_HEAD(&rc->dbg->rsvs);
+	spin_lock_init(&(rc->dbg)->list_lock);
 
 	uwb_pal_init(&rc->dbg->pal);
+	rc->dbg->pal.rc = rc;
+	rc->dbg->pal.channel_changed = uwb_dbg_channel_changed;
 	rc->dbg->pal.new_rsv = uwb_dbg_new_rsv;
-	uwb_pal_register(rc, &rc->dbg->pal);
+	uwb_pal_register(&rc->dbg->pal);
+
 	if (root_dir) {
 		rc->dbg->root_d = debugfs_create_dir(dev_name(&rc->uwb_dev.dev),
 						     root_dir);
@@ -325,7 +351,7 @@ void uwb_dbg_add_rc(struct uwb_rc *rc)
 }
 
 /**
- * uwb_dbg_add_rc - remove a radio controller's debug interface
+ * uwb_dbg_del_rc - remove a radio controller's debug interface
  * @rc: the radio controller
  */
 void uwb_dbg_del_rc(struct uwb_rc *rc)
@@ -336,10 +362,10 @@ void uwb_dbg_del_rc(struct uwb_rc *rc)
 		return;
 
 	list_for_each_entry_safe(rsv, t, &rc->dbg->rsvs, pal_node) {
-		uwb_rsv_destroy(rsv);
+		uwb_rsv_terminate(rsv);
 	}
 
-	uwb_pal_unregister(rc, &rc->dbg->pal);
+	uwb_pal_unregister(&rc->dbg->pal);
 
 	if (root_dir) {
 		debugfs_remove(rc->dbg->drp_avail_f);
@@ -365,3 +391,16 @@ void uwb_dbg_exit(void)
 {
 	debugfs_remove(root_dir);
 }
+
+/**
+ * uwb_dbg_create_pal_dir - create a debugfs directory for a PAL
+ * @pal: The PAL.
+ */
+struct dentry *uwb_dbg_create_pal_dir(struct uwb_pal *pal)
+{
+	struct uwb_rc *rc = pal->rc;
+
+	if (root_dir && rc->dbg && rc->dbg->root_d && pal->name)
+		return debugfs_create_dir(pal->name, rc->dbg->root_d);
+	return NULL;
+}
diff --git a/drivers/uwb/uwb-internal.h b/drivers/uwb/uwb-internal.h
index 2ad307d1296..d5bcfc1c227 100644
--- a/drivers/uwb/uwb-internal.h
+++ b/drivers/uwb/uwb-internal.h
@@ -66,14 +66,14 @@ extern int uwb_rc_scan(struct uwb_rc *rc,
 		       unsigned channel, enum uwb_scan_type type,
 		       unsigned bpst_offset);
 extern int uwb_rc_send_all_drp_ie(struct uwb_rc *rc);
-extern ssize_t uwb_rc_print_IEs(struct uwb_rc *rc, char *, size_t);
-extern void uwb_rc_ie_init(struct uwb_rc *);
-extern void uwb_rc_ie_init(struct uwb_rc *);
-extern ssize_t uwb_rc_ie_setup(struct uwb_rc *);
-extern void uwb_rc_ie_release(struct uwb_rc *);
-extern int uwb_rc_ie_add(struct uwb_rc *,
-			 const struct uwb_ie_hdr *, size_t);
-extern int uwb_rc_ie_rm(struct uwb_rc *, enum uwb_ie);
+
+void uwb_rc_ie_init(struct uwb_rc *);
+int uwb_rc_ie_setup(struct uwb_rc *);
+void uwb_rc_ie_release(struct uwb_rc *);
+int uwb_ie_dump_hex(const struct uwb_ie_hdr *ies, size_t len,
+		    char *buf, size_t size);
+int uwb_rc_set_ie(struct uwb_rc *, struct uwb_rc_cmd_set_ie *);
+
 
 extern const char *uwb_rc_strerror(unsigned code);
 
@@ -92,6 +92,12 @@ extern const char *uwb_rc_strerror(unsigned code);
 
 struct uwb_rc_neh;
 
+extern int uwb_rc_cmd_async(struct uwb_rc *rc, const char *cmd_name,
+			    struct uwb_rccb *cmd, size_t cmd_size,
+			    u8 expected_type, u16 expected_event,
+			    uwb_rc_cmd_cb_f cb, void *arg);
+
+
 void uwb_rc_neh_create(struct uwb_rc *rc);
 void uwb_rc_neh_destroy(struct uwb_rc *rc);
 
@@ -106,7 +112,69 @@ void uwb_rc_neh_put(struct uwb_rc_neh *neh);
 extern int uwb_est_create(void);
 extern void uwb_est_destroy(void);
 
+/*
+ * UWB conflicting alien reservations
+ */
+struct uwb_cnflt_alien {
+	struct uwb_rc *rc;
+	struct list_head rc_node;
+	struct uwb_mas_bm mas;
+	struct timer_list timer;
+	struct work_struct cnflt_update_work;
+};
+
+enum uwb_uwb_rsv_alloc_result {
+	UWB_RSV_ALLOC_FOUND = 0,
+	UWB_RSV_ALLOC_NOT_FOUND,
+};
+
+enum uwb_rsv_mas_status {
+	UWB_RSV_MAS_NOT_AVAIL = 1,
+	UWB_RSV_MAS_SAFE,
+	UWB_RSV_MAS_UNSAFE,
+};
+
+struct uwb_rsv_col_set_info {
+	unsigned char start_col;
+	unsigned char interval;
+	unsigned char safe_mas_per_col;
+	unsigned char unsafe_mas_per_col;
+};
+
+struct uwb_rsv_col_info {
+	unsigned char max_avail_safe;
+	unsigned char max_avail_unsafe;
+	unsigned char highest_mas[UWB_MAS_PER_ZONE];
+	struct uwb_rsv_col_set_info csi;
+};
+
+struct uwb_rsv_row_info {
+	unsigned char avail[UWB_MAS_PER_ZONE];
+	unsigned char free_rows;
+	unsigned char used_rows;
+};
+
+/*
+ * UWB find allocation
+ */
+struct uwb_rsv_alloc_info {
+	unsigned char bm[UWB_MAS_PER_ZONE * UWB_NUM_ZONES];
+	struct uwb_rsv_col_info ci[UWB_NUM_ZONES];
+	struct uwb_rsv_row_info ri;
+	struct uwb_mas_bm *not_available;
+	struct uwb_mas_bm *result;
+	int min_mas;
+	int max_mas;
+	int max_interval;
+	int total_allocated_mases;
+	int safe_allocated_mases;
+	int unsafe_allocated_mases;
+	int interval;
+};
 
+int uwb_rsv_find_best_allocation(struct uwb_rsv *rsv, struct uwb_mas_bm *available, 
+				 struct uwb_mas_bm *result);
+void uwb_rsv_handle_drp_avail_change(struct uwb_rc *rc);
 /*
  * UWB Events & management daemon
  */
@@ -160,13 +228,14 @@ struct uwb_event {
 	};
 };
 
-extern void uwbd_start(void);
-extern void uwbd_stop(void);
+extern void uwbd_start(struct uwb_rc *rc);
+extern void uwbd_stop(struct uwb_rc *rc);
 extern struct uwb_event *uwb_event_alloc(size_t, gfp_t gfp_mask);
 extern void uwbd_event_queue(struct uwb_event *);
 void uwbd_flush(struct uwb_rc *rc);
 
 /* UWB event handlers */
+extern int uwbd_evt_handle_rc_ie_rcv(struct uwb_event *);
 extern int uwbd_evt_handle_rc_beacon(struct uwb_event *);
 extern int uwbd_evt_handle_rc_beacon_size(struct uwb_event *);
 extern int uwbd_evt_handle_rc_bpoie_change(struct uwb_event *);
@@ -193,15 +262,6 @@ int uwbd_evt_handle_rc_dev_addr_conflict(struct uwb_event *evt);
 
 extern unsigned long beacon_timeout_ms;
 
-/** Beacon cache list */
-struct uwb_beca {
-	struct list_head list;
-	size_t entries;
-	struct mutex mutex;
-};
-
-extern struct uwb_beca uwb_beca;
-
 /**
  * Beacon cache entry
  *
@@ -228,9 +288,6 @@ struct uwb_beca_e {
 struct uwb_beacon_frame;
 extern ssize_t uwb_bce_print_IEs(struct uwb_dev *, struct uwb_beca_e *,
 				 char *, size_t);
-extern struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *,
-					 struct uwb_beacon_frame *,
-					 unsigned long);
 
 extern void uwb_bce_kfree(struct kref *_bce);
 static inline void uwb_bce_get(struct uwb_beca_e *bce)
@@ -241,14 +298,19 @@ static inline void uwb_bce_put(struct uwb_beca_e *bce)
 {
 	kref_put(&bce->refcnt, uwb_bce_kfree);
 }
-extern void uwb_beca_purge(void);
-extern void uwb_beca_release(void);
+extern void uwb_beca_purge(struct uwb_rc *rc);
+extern void uwb_beca_release(struct uwb_rc *rc);
 
 struct uwb_dev *uwb_dev_get_by_devaddr(struct uwb_rc *rc,
 				       const struct uwb_dev_addr *devaddr);
 struct uwb_dev *uwb_dev_get_by_macaddr(struct uwb_rc *rc,
 				       const struct uwb_mac_addr *macaddr);
 
+int uwb_radio_setup(struct uwb_rc *rc);
+void uwb_radio_reset_state(struct uwb_rc *rc);
+void uwb_radio_shutdown(struct uwb_rc *rc);
+int uwb_radio_force_channel(struct uwb_rc *rc, int channel);
+
 /* -- UWB Sysfs representation */
 extern struct class uwb_rc_class;
 extern struct device_attribute dev_attr_mac_address;
@@ -259,18 +321,29 @@ extern struct device_attribute dev_attr_scan;
 void uwb_rsv_init(struct uwb_rc *rc);
 int uwb_rsv_setup(struct uwb_rc *rc);
 void uwb_rsv_cleanup(struct uwb_rc *rc);
+void uwb_rsv_remove_all(struct uwb_rc *rc);
+void uwb_rsv_get(struct uwb_rsv *rsv);
+void uwb_rsv_put(struct uwb_rsv *rsv);
+bool uwb_rsv_has_two_drp_ies(struct uwb_rsv *rsv);
+void uwb_rsv_dump(char *text, struct uwb_rsv *rsv);
+int uwb_rsv_try_move(struct uwb_rsv *rsv, struct uwb_mas_bm *available);
+void uwb_rsv_backoff_win_timer(unsigned long arg);
+void uwb_rsv_backoff_win_increment(struct uwb_rc *rc);
+int uwb_rsv_status(struct uwb_rsv *rsv);
+int uwb_rsv_companion_status(struct uwb_rsv *rsv);
 
 void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state);
 void uwb_rsv_remove(struct uwb_rsv *rsv);
 struct uwb_rsv *uwb_rsv_find(struct uwb_rc *rc, struct uwb_dev *src,
 			     struct uwb_ie_drp *drp_ie);
 void uwb_rsv_sched_update(struct uwb_rc *rc);
+void uwb_rsv_queue_update(struct uwb_rc *rc);
 
-void uwb_drp_handle_timeout(struct uwb_rsv *rsv);
 int uwb_drp_ie_update(struct uwb_rsv *rsv);
 void uwb_drp_ie_to_bm(struct uwb_mas_bm *bm, const struct uwb_ie_drp *drp_ie);
 
 void uwb_drp_avail_init(struct uwb_rc *rc);
+void uwb_drp_available(struct uwb_rc *rc, struct uwb_mas_bm *avail);
 int  uwb_drp_avail_reserve_pending(struct uwb_rc *rc, struct uwb_mas_bm *mas);
 void uwb_drp_avail_reserve(struct uwb_rc *rc, struct uwb_mas_bm *mas);
 void uwb_drp_avail_release(struct uwb_rc *rc, struct uwb_mas_bm *mas);
@@ -289,8 +362,7 @@ void uwb_dbg_init(void);
 void uwb_dbg_exit(void);
 void uwb_dbg_add_rc(struct uwb_rc *rc);
 void uwb_dbg_del_rc(struct uwb_rc *rc);
-
-/* Workarounds for version specific stuff */
+struct dentry *uwb_dbg_create_pal_dir(struct uwb_pal *pal);
 
 static inline void uwb_dev_lock(struct uwb_dev *uwb_dev)
 {
diff --git a/drivers/uwb/uwbd.c b/drivers/uwb/uwbd.c
index 78908416e42..57bd6bfef37 100644
--- a/drivers/uwb/uwbd.c
+++ b/drivers/uwb/uwbd.c
@@ -68,17 +68,13 @@
  *
  * Handler functions are called normally uwbd_evt_handle_*().
  */
-
 #include <linux/kthread.h>
 #include <linux/module.h>
 #include <linux/freezer.h>
-#include "uwb-internal.h"
-
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
 
+#include "uwb-internal.h"
 
-/**
+/*
  * UWBD Event handler function signature
  *
  * Return !0 if the event needs not to be freed (ie the handler
@@ -101,9 +97,12 @@ struct uwbd_event {
 	const char *name;
 };
 
-/** Table of handlers for and properties of the UWBD Radio Control Events */
-static
-struct uwbd_event uwbd_events[] = {
+/* Table of handlers for and properties of the UWBD Radio Control Events */
+static struct uwbd_event uwbd_urc_events[] = {
+	[UWB_RC_EVT_IE_RCV] = {
+		.handler = uwbd_evt_handle_rc_ie_rcv,
+		.name = "IE_RECEIVED"
+	},
 	[UWB_RC_EVT_BEACON] = {
 		.handler = uwbd_evt_handle_rc_beacon,
 		.name = "BEACON_RECEIVED"
@@ -142,23 +141,15 @@ struct uwbd_evt_type_handler {
 	size_t size;
 };
 
-#define UWBD_EVT_TYPE_HANDLER(n,a) {		\
-	.name = (n),				\
-	.uwbd_events = (a),			\
-	.size = sizeof(a)/sizeof((a)[0])	\
-}
-
-
-/** Table of handlers for each UWBD Event type. */
-static
-struct uwbd_evt_type_handler uwbd_evt_type_handlers[] = {
-	[UWB_RC_CET_GENERAL] = UWBD_EVT_TYPE_HANDLER("RC", uwbd_events)
+/* Table of handlers for each UWBD Event type. */
+static struct uwbd_evt_type_handler uwbd_urc_evt_type_handlers[] = {
+	[UWB_RC_CET_GENERAL] = {
+		.name        = "URC",
+		.uwbd_events = uwbd_urc_events,
+		.size        = ARRAY_SIZE(uwbd_urc_events),
+	},
 };
 
-static const
-size_t uwbd_evt_type_handlers_len =
-	sizeof(uwbd_evt_type_handlers) / sizeof(uwbd_evt_type_handlers[0]);
-
 static const struct uwbd_event uwbd_message_handlers[] = {
 	[UWB_EVT_MSG_RESET] = {
 		.handler = uwbd_msg_handle_reset,
@@ -166,9 +157,7 @@ static const struct uwbd_event uwbd_message_handlers[] = {
 	},
 };
 
-static DEFINE_MUTEX(uwbd_event_mutex);
-
-/**
+/*
  * Handle an URC event passed to the UWB Daemon
  *
  * @evt: the event to handle
@@ -188,6 +177,7 @@ static DEFINE_MUTEX(uwbd_event_mutex);
 static
 int uwbd_event_handle_urc(struct uwb_event *evt)
 {
+	int result = -EINVAL;
 	struct uwbd_evt_type_handler *type_table;
 	uwbd_evt_handler_f handler;
 	u8 type, context;
@@ -197,26 +187,24 @@ int uwbd_event_handle_urc(struct uwb_event *evt)
 	event = le16_to_cpu(evt->notif.rceb->wEvent);
 	context = evt->notif.rceb->bEventContext;
 
-	if (type > uwbd_evt_type_handlers_len) {
-		printk(KERN_ERR "UWBD: event type %u: unknown (too high)\n", type);
-		return -EINVAL;
-	}
-	type_table = &uwbd_evt_type_handlers[type];
-	if (type_table->uwbd_events == NULL) {
-		printk(KERN_ERR "UWBD: event type %u: unknown\n", type);
-		return -EINVAL;
-	}
-	if (event > type_table->size) {
-		printk(KERN_ERR "UWBD: event %s[%u]: unknown (too high)\n",
-		       type_table->name, event);
-		return -EINVAL;
-	}
+	if (type > ARRAY_SIZE(uwbd_urc_evt_type_handlers))
+		goto out;
+	type_table = &uwbd_urc_evt_type_handlers[type];
+	if (type_table->uwbd_events == NULL)
+		goto out;
+	if (event > type_table->size)
+		goto out;
 	handler = type_table->uwbd_events[event].handler;
-	if (handler == NULL) {
-		printk(KERN_ERR "UWBD: event %s[%u]: unknown\n", type_table->name, event);
-		return -EINVAL;
-	}
-	return (*handler)(evt);
+	if (handler == NULL)
+		goto out;
+
+	result = (*handler)(evt);
+out:
+	if (result < 0)
+		dev_err(&evt->rc->uwb_dev.dev,
+			"UWBD: event 0x%02x/%04x/%02x, handling failed: %d\n",
+			type, event, context, result);
+	return result;
 }
 
 static void uwbd_event_handle_message(struct uwb_event *evt)
@@ -231,19 +219,10 @@ static void uwbd_event_handle_message(struct uwb_event *evt)
 		return;
 	}
 
-	/* If this is a reset event we need to drop the
-	 * uwbd_event_mutex or it deadlocks when the reset handler
-	 * attempts to flush the uwbd events. */
-	if (evt->message == UWB_EVT_MSG_RESET)
-		mutex_unlock(&uwbd_event_mutex);
-
 	result = uwbd_message_handlers[evt->message].handler(evt);
 	if (result < 0)
 		dev_err(&rc->uwb_dev.dev, "UWBD: '%s' message failed: %d\n",
 			uwbd_message_handlers[evt->message].name, result);
-
-	if (evt->message == UWB_EVT_MSG_RESET)
-		mutex_lock(&uwbd_event_mutex);
 }
 
 static void uwbd_event_handle(struct uwb_event *evt)
@@ -271,20 +250,6 @@ static void uwbd_event_handle(struct uwb_event *evt)
 
 	__uwb_rc_put(rc);	/* for the __uwb_rc_get() in uwb_rc_notif_cb() */
 }
-/* The UWB Daemon */
-
-
-/** Daemon's PID: used to decide if we can queue or not */
-static int uwbd_pid;
-/** Daemon's task struct for managing the kthread */
-static struct task_struct *uwbd_task;
-/** Daemon's waitqueue for waiting for new events */
-static DECLARE_WAIT_QUEUE_HEAD(uwbd_wq);
-/** Daemon's list of events; we queue/dequeue here */
-static struct list_head uwbd_event_list = LIST_HEAD_INIT(uwbd_event_list);
-/** Daemon's list lock to protect concurent access */
-static DEFINE_SPINLOCK(uwbd_event_list_lock);
-
 
 /**
  * UWB Daemon
@@ -298,65 +263,58 @@ static DEFINE_SPINLOCK(uwbd_event_list_lock);
  * FIXME: should change so we don't have a 1HZ timer all the time, but
  *        only if there are devices.
  */
-static int uwbd(void *unused)
+static int uwbd(void *param)
 {
+	struct uwb_rc *rc = param;
 	unsigned long flags;
-	struct list_head list = LIST_HEAD_INIT(list);
-	struct uwb_event *evt, *nxt;
+	struct uwb_event *evt;
 	int should_stop = 0;
+
 	while (1) {
 		wait_event_interruptible_timeout(
-			uwbd_wq,
-			!list_empty(&uwbd_event_list)
+			rc->uwbd.wq,
+			!list_empty(&rc->uwbd.event_list)
 			  || (should_stop = kthread_should_stop()),
 			HZ);
 		if (should_stop)
 			break;
 		try_to_freeze();
 
-		mutex_lock(&uwbd_event_mutex);
-		spin_lock_irqsave(&uwbd_event_list_lock, flags);
-		list_splice_init(&uwbd_event_list, &list);
-		spin_unlock_irqrestore(&uwbd_event_list_lock, flags);
-		list_for_each_entry_safe(evt, nxt, &list, list_node) {
+		spin_lock_irqsave(&rc->uwbd.event_list_lock, flags);
+		if (!list_empty(&rc->uwbd.event_list)) {
+			evt = list_first_entry(&rc->uwbd.event_list, struct uwb_event, list_node);
 			list_del(&evt->list_node);
+		} else
+			evt = NULL;
+		spin_unlock_irqrestore(&rc->uwbd.event_list_lock, flags);
+
+		if (evt) {
 			uwbd_event_handle(evt);
 			kfree(evt);
 		}
-		mutex_unlock(&uwbd_event_mutex);
 
-		uwb_beca_purge();	/* Purge devices that left */
+		uwb_beca_purge(rc);	/* Purge devices that left */
 	}
 	return 0;
 }
 
 
 /** Start the UWB daemon */
-void uwbd_start(void)
+void uwbd_start(struct uwb_rc *rc)
 {
-	uwbd_task = kthread_run(uwbd, NULL, "uwbd");
-	if (uwbd_task == NULL)
+	rc->uwbd.task = kthread_run(uwbd, rc, "uwbd");
+	if (rc->uwbd.task == NULL)
 		printk(KERN_ERR "UWB: Cannot start management daemon; "
 		       "UWB won't work\n");
 	else
-		uwbd_pid = uwbd_task->pid;
+		rc->uwbd.pid = rc->uwbd.task->pid;
 }
 
 /* Stop the UWB daemon and free any unprocessed events */
-void uwbd_stop(void)
+void uwbd_stop(struct uwb_rc *rc)
 {
-	unsigned long flags;
-	struct uwb_event *evt, *nxt;
-	kthread_stop(uwbd_task);
-	spin_lock_irqsave(&uwbd_event_list_lock, flags);
-	uwbd_pid = 0;
-	list_for_each_entry_safe(evt, nxt, &uwbd_event_list, list_node) {
-		if (evt->type == UWB_EVT_TYPE_NOTIF)
-			kfree(evt->notif.rceb);
-		kfree(evt);
-	}
-	spin_unlock_irqrestore(&uwbd_event_list_lock, flags);
-	uwb_beca_release();
+	kthread_stop(rc->uwbd.task);
+	uwbd_flush(rc);
 }
 
 /*
@@ -373,18 +331,20 @@ void uwbd_stop(void)
  */
 void uwbd_event_queue(struct uwb_event *evt)
 {
+	struct uwb_rc *rc = evt->rc;
 	unsigned long flags;
-	spin_lock_irqsave(&uwbd_event_list_lock, flags);
-	if (uwbd_pid != 0) {
-		list_add(&evt->list_node, &uwbd_event_list);
-		wake_up_all(&uwbd_wq);
+
+	spin_lock_irqsave(&rc->uwbd.event_list_lock, flags);
+	if (rc->uwbd.pid != 0) {
+		list_add(&evt->list_node, &rc->uwbd.event_list);
+		wake_up_all(&rc->uwbd.wq);
 	} else {
 		__uwb_rc_put(evt->rc);
 		if (evt->type == UWB_EVT_TYPE_NOTIF)
 			kfree(evt->notif.rceb);
 		kfree(evt);
 	}
-	spin_unlock_irqrestore(&uwbd_event_list_lock, flags);
+	spin_unlock_irqrestore(&rc->uwbd.event_list_lock, flags);
 	return;
 }
 
@@ -392,10 +352,8 @@ void uwbd_flush(struct uwb_rc *rc)
 {
 	struct uwb_event *evt, *nxt;
 
-	mutex_lock(&uwbd_event_mutex);
-
-	spin_lock_irq(&uwbd_event_list_lock);
-	list_for_each_entry_safe(evt, nxt, &uwbd_event_list, list_node) {
+	spin_lock_irq(&rc->uwbd.event_list_lock);
+	list_for_each_entry_safe(evt, nxt, &rc->uwbd.event_list, list_node) {
 		if (evt->rc == rc) {
 			__uwb_rc_put(rc);
 			list_del(&evt->list_node);
@@ -404,7 +362,5 @@ void uwbd_flush(struct uwb_rc *rc)
 			kfree(evt);
 		}
 	}
-	spin_unlock_irq(&uwbd_event_list_lock);
-
-	mutex_unlock(&uwbd_event_mutex);
+	spin_unlock_irq(&rc->uwbd.event_list_lock);
 }
diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c
index 1711deadb11..19a1dd12921 100644
--- a/drivers/uwb/whc-rc.c
+++ b/drivers/uwb/whc-rc.c
@@ -39,7 +39,6 @@
  * them to the hw and transfer the replies/notifications back to the
  * UWB stack through the UWB daemon (UWBD).
  */
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -49,10 +48,8 @@
 #include <linux/uwb.h>
 #include <linux/uwb/whci.h>
 #include <linux/uwb/umc.h>
-#include "uwb-internal.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
 
 /**
  * Descriptor for an instance of the UWB Radio Control Driver that
@@ -98,13 +95,8 @@ static int whcrc_cmd(struct uwb_rc *uwb_rc,
 	struct device *dev = &whcrc->umc_dev->dev;
 	u32 urccmd;
 
-	d_fnstart(3, dev, "(%p, %p, %zu)\n", uwb_rc, cmd, cmd_size);
-	might_sleep();
-
-	if (cmd_size >= 4096) {
-		result = -E2BIG;
-		goto error;
-	}
+	if (cmd_size >= 4096)
+		return -EINVAL;
 
 	/*
 	 * If the URC is halted, then the hardware has reset itself.
@@ -115,16 +107,14 @@ static int whcrc_cmd(struct uwb_rc *uwb_rc,
 	if (le_readl(whcrc->rc_base + URCSTS) & URCSTS_HALTED) {
 		dev_err(dev, "requesting reset of halted radio controller\n");
 		uwb_rc_reset_all(uwb_rc);
-		result = -EIO;
-		goto error;
+		return -EIO;
 	}
 
 	result = wait_event_timeout(whcrc->cmd_wq,
 		!(le_readl(whcrc->rc_base + URCCMD) & URCCMD_ACTIVE), HZ/2);
 	if (result == 0) {
 		dev_err(dev, "device is not ready to execute commands\n");
-		result = -ETIMEDOUT;
-		goto error;
+		return -ETIMEDOUT;
 	}
 
 	memmove(whcrc->cmd_buf, cmd, cmd_size);
@@ -137,10 +127,7 @@ static int whcrc_cmd(struct uwb_rc *uwb_rc,
 		  whcrc->rc_base + URCCMD);
 	spin_unlock(&whcrc->irq_lock);
 
-error:
-	d_fnend(3, dev, "(%p, %p, %zu) = %d\n",
-		uwb_rc, cmd, cmd_size, result);
-	return result;
+	return 0;
 }
 
 static int whcrc_reset(struct uwb_rc *rc)
@@ -167,34 +154,25 @@ static int whcrc_reset(struct uwb_rc *rc)
 static
 void whcrc_enable_events(struct whcrc *whcrc)
 {
-	struct device *dev = &whcrc->umc_dev->dev;
 	u32 urccmd;
 
-	d_fnstart(4, dev, "(whcrc %p)\n", whcrc);
-
 	le_writeq(whcrc->evt_dma_buf, whcrc->rc_base + URCEVTADDR);
 
 	spin_lock(&whcrc->irq_lock);
 	urccmd = le_readl(whcrc->rc_base + URCCMD) & ~URCCMD_ACTIVE;
 	le_writel(urccmd | URCCMD_EARV, whcrc->rc_base + URCCMD);
 	spin_unlock(&whcrc->irq_lock);
-
-	d_fnend(4, dev, "(whcrc %p) = void\n", whcrc);
 }
 
 static void whcrc_event_work(struct work_struct *work)
 {
 	struct whcrc *whcrc = container_of(work, struct whcrc, event_work);
-	struct device *dev = &whcrc->umc_dev->dev;
 	size_t size;
 	u64 urcevtaddr;
 
 	urcevtaddr = le_readq(whcrc->rc_base + URCEVTADDR);
 	size = urcevtaddr & URCEVTADDR_OFFSET_MASK;
 
-	d_printf(3, dev, "received %zu octet event\n", size);
-	d_dump(4, dev, whcrc->evt_buf, size > 32 ? 32 : size);
-
 	uwb_rc_neh_grok(whcrc->uwb_rc, whcrc->evt_buf, size);
 	whcrc_enable_events(whcrc);
 }
@@ -217,22 +195,15 @@ irqreturn_t whcrc_irq_cb(int irq, void *_whcrc)
 		return IRQ_NONE;
 	le_writel(urcsts & URCSTS_INT_MASK, whcrc->rc_base + URCSTS);
 
-	d_printf(4, dev, "acked 0x%08x, urcsts 0x%08x\n",
-		 le_readl(whcrc->rc_base + URCSTS), urcsts);
-
 	if (urcsts & URCSTS_HSE) {
 		dev_err(dev, "host system error -- hardware halted\n");
 		/* FIXME: do something sensible here */
 		goto out;
 	}
-	if (urcsts & URCSTS_ER) {
-		d_printf(3, dev, "ER: event ready\n");
+	if (urcsts & URCSTS_ER)
 		schedule_work(&whcrc->event_work);
-	}
-	if (urcsts & URCSTS_RCI) {
-		d_printf(3, dev, "RCI: ready to execute another command\n");
+	if (urcsts & URCSTS_RCI)
 		wake_up_all(&whcrc->cmd_wq);
-	}
 out:
 	return IRQ_HANDLED;
 }
@@ -251,8 +222,7 @@ int whcrc_setup_rc_umc(struct whcrc *whcrc)
 	whcrc->area = umc_dev->resource.start;
 	whcrc->rc_len = umc_dev->resource.end - umc_dev->resource.start + 1;
 	result = -EBUSY;
-	if (request_mem_region(whcrc->area, whcrc->rc_len, KBUILD_MODNAME)
-	    == NULL) {
+	if (request_mem_region(whcrc->area, whcrc->rc_len, KBUILD_MODNAME) == NULL) {
 		dev_err(dev, "can't request URC region (%zu bytes @ 0x%lx): %d\n",
 			whcrc->rc_len, whcrc->area, result);
 		goto error_request_region;
@@ -287,8 +257,6 @@ int whcrc_setup_rc_umc(struct whcrc *whcrc)
 		dev_err(dev, "Can't allocate evt transfer buffer\n");
 		goto error_evt_buffer;
 	}
-	d_printf(3, dev, "UWB RC Interface: %zu bytes at 0x%p, irq %u\n",
-		 whcrc->rc_len, whcrc->rc_base, umc_dev->irq);
 	return 0;
 
 error_evt_buffer:
@@ -333,47 +301,23 @@ void whcrc_release_rc_umc(struct whcrc *whcrc)
 static int whcrc_start_rc(struct uwb_rc *rc)
 {
 	struct whcrc *whcrc = rc->priv;
-	int result = 0;
 	struct device *dev = &whcrc->umc_dev->dev;
-	unsigned long start, duration;
 
 	/* Reset the thing */
 	le_writel(URCCMD_RESET, whcrc->rc_base + URCCMD);
-	if (d_test(3))
-		start = jiffies;
 	if (whci_wait_for(dev, whcrc->rc_base + URCCMD, URCCMD_RESET, 0,
-			  5000, "device to reset at init") < 0) {
-		result = -EBUSY;
-		goto error;
-	} else if (d_test(3)) {
-		duration = jiffies - start;
-		if (duration > msecs_to_jiffies(40))
-			dev_err(dev, "Device took %ums to "
-				     "reset. MAX expected: 40ms\n",
-				     jiffies_to_msecs(duration));
-	}
+			  5000, "hardware reset") < 0)
+		return -EBUSY;
 
 	/* Set the event buffer, start the controller (enable IRQs later) */
 	le_writel(0, whcrc->rc_base + URCINTR);
 	le_writel(URCCMD_RS, whcrc->rc_base + URCCMD);
-	result = -ETIMEDOUT;
-	if (d_test(3))
-		start = jiffies;
 	if (whci_wait_for(dev, whcrc->rc_base + URCSTS, URCSTS_HALTED, 0,
-			  5000, "device to start") < 0)
-		goto error;
-	if (d_test(3)) {
-		duration = jiffies - start;
-		if (duration > msecs_to_jiffies(40))
-			dev_err(dev, "Device took %ums to start. "
-				     "MAX expected: 40ms\n",
-				     jiffies_to_msecs(duration));
-	}
+			  5000, "radio controller start") < 0)
+		return -ETIMEDOUT;
 	whcrc_enable_events(whcrc);
-	result = 0;
 	le_writel(URCINTR_EN_ALL, whcrc->rc_base + URCINTR);
-error:
-	return result;
+	return 0;
 }
 
 
@@ -395,7 +339,7 @@ void whcrc_stop_rc(struct uwb_rc *rc)
 
 	le_writel(0, whcrc->rc_base + URCCMD);
 	whci_wait_for(&umc_dev->dev, whcrc->rc_base + URCSTS,
-		      URCSTS_HALTED, 0, 40, "URCSTS.HALTED");
+		      URCSTS_HALTED, URCSTS_HALTED, 100, "radio controller stop");
 }
 
 static void whcrc_init(struct whcrc *whcrc)
@@ -421,7 +365,6 @@ int whcrc_probe(struct umc_dev *umc_dev)
 	struct whcrc *whcrc;
 	struct device *dev = &umc_dev->dev;
 
-	d_fnstart(3, dev, "(umc_dev %p)\n", umc_dev);
 	result = -ENOMEM;
 	uwb_rc = uwb_rc_alloc();
 	if (uwb_rc == NULL) {
@@ -453,7 +396,6 @@ int whcrc_probe(struct umc_dev *umc_dev)
 	if (result < 0)
 		goto error_rc_add;
 	umc_set_drvdata(umc_dev, whcrc);
-	d_fnend(3, dev, "(umc_dev %p) = 0\n", umc_dev);
 	return 0;
 
 error_rc_add:
@@ -463,7 +405,6 @@ error_setup_rc_umc:
 error_alloc:
 	uwb_rc_put(uwb_rc);
 error_rc_alloc:
-	d_fnend(3, dev, "(umc_dev %p) = %d\n", umc_dev, result);
 	return result;
 }
 
@@ -486,7 +427,24 @@ static void whcrc_remove(struct umc_dev *umc_dev)
 	whcrc_release_rc_umc(whcrc);
 	kfree(whcrc);
 	uwb_rc_put(uwb_rc);
-	d_printf(1, &umc_dev->dev, "freed whcrc %p\n", whcrc);
+}
+
+static int whcrc_pre_reset(struct umc_dev *umc)
+{
+	struct whcrc *whcrc = umc_get_drvdata(umc);
+	struct uwb_rc *uwb_rc = whcrc->uwb_rc;
+
+	uwb_rc_pre_reset(uwb_rc);
+	return 0;
+}
+
+static int whcrc_post_reset(struct umc_dev *umc)
+{
+	struct whcrc *whcrc = umc_get_drvdata(umc);
+	struct uwb_rc *uwb_rc = whcrc->uwb_rc;
+
+	uwb_rc_post_reset(uwb_rc);
+	return 0;
 }
 
 /* PCI device ID's that we handle [so it gets loaded] */
@@ -497,10 +455,12 @@ static struct pci_device_id whcrc_id_table[] = {
 MODULE_DEVICE_TABLE(pci, whcrc_id_table);
 
 static struct umc_driver whcrc_driver = {
-	.name   = "whc-rc",
-	.cap_id = UMC_CAP_ID_WHCI_RC,
-	.probe  = whcrc_probe,
-	.remove = whcrc_remove,
+	.name       = "whc-rc",
+	.cap_id     = UMC_CAP_ID_WHCI_RC,
+	.probe      = whcrc_probe,
+	.remove     = whcrc_remove,
+	.pre_reset  = whcrc_pre_reset,
+	.post_reset = whcrc_post_reset,
 };
 
 static int __init whcrc_driver_init(void)
diff --git a/drivers/uwb/whci.c b/drivers/uwb/whci.c
index 3df2388f908..1f8964ed988 100644
--- a/drivers/uwb/whci.c
+++ b/drivers/uwb/whci.c
@@ -67,11 +67,11 @@ int whci_wait_for(struct device *dev, u32 __iomem *reg, u32 mask, u32 result,
 		val = le_readl(reg);
 		if ((val & mask) == result)
 			break;
-		msleep(10);
 		if (t >= max_ms) {
-			dev_err(dev, "timed out waiting for %s ", tag);
+			dev_err(dev, "%s timed out\n", tag);
 			return -ETIMEDOUT;
 		}
+		msleep(10);
 		t += 10;
 	}
 	return 0;
@@ -111,7 +111,7 @@ static int whci_add_cap(struct whci_card *card, int n)
 		+ UWBCAPDATA_TO_OFFSET(capdata);
 	umc->resource.end    = umc->resource.start
 		+ (n == 0 ? 0x20 : UWBCAPDATA_TO_SIZE(capdata)) - 1;
-	umc->resource.name   = umc->dev.bus_id;
+	umc->resource.name   = dev_name(&umc->dev);
 	umc->resource.flags  = card->pci->resource[bar].flags;
 	umc->resource.parent = &card->pci->resource[bar];
 	umc->irq             = card->pci->irq;
diff --git a/drivers/uwb/wlp/eda.c b/drivers/uwb/wlp/eda.c
index 10985fa233c..69e02003971 100644
--- a/drivers/uwb/wlp/eda.c
+++ b/drivers/uwb/wlp/eda.c
@@ -51,9 +51,7 @@
  * the tag and address of the transmitting neighbor.
  */
 
-#define D_LOCAL 5
 #include <linux/netdevice.h>
-#include <linux/uwb/debug.h>
 #include <linux/etherdevice.h>
 #include <linux/wlp.h>
 #include "wlp-internal.h"
@@ -304,7 +302,6 @@ int wlp_eda_for_virtual(struct wlp_eda *eda,
 {
 	int result = 0;
 	struct wlp *wlp = container_of(eda, struct wlp, eda);
-	struct device *dev = &wlp->rc->uwb_dev.dev;
 	struct wlp_eda_node *itr;
 	unsigned long flags;
 	int found = 0;
@@ -313,26 +310,14 @@ int wlp_eda_for_virtual(struct wlp_eda *eda,
 	list_for_each_entry(itr, &eda->cache, list_node) {
 		if (!memcmp(itr->virt_addr, virt_addr,
 			   sizeof(itr->virt_addr))) {
-			d_printf(6, dev, "EDA: looking for %pM hit %02x:%02x "
-			       "wss %p tag 0x%02x state %u\n",
-			       virt_addr,
-			       itr->dev_addr.data[1],
-			       itr->dev_addr.data[0], itr->wss,
-			       itr->tag, itr->state);
 			result = (*function)(wlp, itr, priv);
 			*dev_addr = itr->dev_addr;
 			found = 1;
 			break;
-		} else
-			d_printf(6, dev, "EDA: looking for %pM against %pM miss\n",
-			         virt_addr, itr->virt_addr);
+		}
 	}
-	if (!found) {
-		if (printk_ratelimit())
-			dev_err(dev, "EDA: Eth addr %pM not found.\n",
-				virt_addr);
+	if (!found)
 		result = -ENODEV;
-	}
 	spin_unlock_irqrestore(&eda->lock, flags);
 	return result;
 }
diff --git a/drivers/uwb/wlp/messages.c b/drivers/uwb/wlp/messages.c
index a64cb824171..aa42fcee4c4 100644
--- a/drivers/uwb/wlp/messages.c
+++ b/drivers/uwb/wlp/messages.c
@@ -24,8 +24,7 @@
  */
 
 #include <linux/wlp.h>
-#define D_LOCAL 6
-#include <linux/uwb/debug.h>
+
 #include "wlp-internal.h"
 
 static
@@ -105,24 +104,18 @@ static inline void wlp_set_attr_hdr(struct wlp_attr_hdr *hdr, unsigned type,
 #define wlp_set(type, type_code, name)					\
 static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value)	\
 {									\
-	d_fnstart(6, NULL, "(attribute %p)\n", attr);			\
 	wlp_set_attr_hdr(&attr->hdr, type_code,				\
 			 sizeof(*attr) - sizeof(struct wlp_attr_hdr));	\
 	attr->name = value;						\
-	d_dump(6, NULL, attr, sizeof(*attr));				\
-	d_fnend(6, NULL, "(attribute %p)\n", attr);			\
 	return sizeof(*attr);						\
 }
 
 #define wlp_pset(type, type_code, name)					\
 static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value)	\
 {									\
-	d_fnstart(6, NULL, "(attribute %p)\n", attr);			\
 	wlp_set_attr_hdr(&attr->hdr, type_code,				\
 			 sizeof(*attr) - sizeof(struct wlp_attr_hdr));	\
 	attr->name = *value;						\
-	d_dump(6, NULL, attr, sizeof(*attr));				\
-	d_fnend(6, NULL, "(attribute %p)\n", attr);			\
 	return sizeof(*attr);						\
 }
 
@@ -139,11 +132,8 @@ static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value)	\
 static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value,	\
 				size_t len)				\
 {									\
-	d_fnstart(6, NULL, "(attribute %p)\n", attr);			\
 	wlp_set_attr_hdr(&attr->hdr, type_code, len);			\
 	memcpy(attr->name, value, len);					\
-	d_dump(6, NULL, attr, sizeof(*attr) + len);			\
-	d_fnend(6, NULL, "(attribute %p)\n", attr);			\
 	return sizeof(*attr) + len;					\
 }
 
@@ -182,7 +172,7 @@ static size_t wlp_set_wss_info(struct wlp_attr_wss_info *attr,
 	size_t datalen;
 	void *ptr = attr->wss_info;
 	size_t used = sizeof(*attr);
-	d_fnstart(6, NULL, "(attribute %p)\n", attr);
+
 	datalen = sizeof(struct wlp_wss_info) + strlen(wss->name);
 	wlp_set_attr_hdr(&attr->hdr, WLP_ATTR_WSS_INFO, datalen);
 	used = wlp_set_wssid(ptr, &wss->wssid);
@@ -190,9 +180,6 @@ static size_t wlp_set_wss_info(struct wlp_attr_wss_info *attr,
 	used += wlp_set_accept_enrl(ptr + used, wss->accept_enroll);
 	used += wlp_set_wss_sec_status(ptr + used, wss->secure_status);
 	used += wlp_set_wss_bcast(ptr + used, &wss->bcast);
-	d_dump(6, NULL, attr, sizeof(*attr) + datalen);
-	d_fnend(6, NULL, "(attribute %p, used %d)\n",
-		attr, (int)(sizeof(*attr) + used));
 	return sizeof(*attr) + used;
 }
 
@@ -414,7 +401,6 @@ static ssize_t wlp_get_wss_info_attrs(struct wlp *wlp,
 	size_t used = 0;
 	ssize_t result = -EINVAL;
 
-	d_printf(6, dev, "WLP: WSS info: Retrieving WSS name\n");
 	result = wlp_get_wss_name(wlp, ptr, info->name, buflen);
 	if (result < 0) {
 		dev_err(dev, "WLP: unable to obtain WSS name from "
@@ -422,7 +408,7 @@ static ssize_t wlp_get_wss_info_attrs(struct wlp *wlp,
 		goto error_parse;
 	}
 	used += result;
-	d_printf(6, dev, "WLP: WSS info: Retrieving accept enroll\n");
+
 	result = wlp_get_accept_enrl(wlp, ptr + used, &info->accept_enroll,
 				     buflen - used);
 	if (result < 0) {
@@ -437,7 +423,7 @@ static ssize_t wlp_get_wss_info_attrs(struct wlp *wlp,
 		goto error_parse;
 	}
 	used += result;
-	d_printf(6, dev, "WLP: WSS info: Retrieving secure status\n");
+
 	result = wlp_get_wss_sec_status(wlp, ptr + used, &info->sec_status,
 					buflen - used);
 	if (result < 0) {
@@ -452,7 +438,7 @@ static ssize_t wlp_get_wss_info_attrs(struct wlp *wlp,
 		goto error_parse;
 	}
 	used += result;
-	d_printf(6, dev, "WLP: WSS info: Retrieving broadcast\n");
+
 	result = wlp_get_wss_bcast(wlp, ptr + used, &info->bcast,
 				   buflen - used);
 	if (result < 0) {
@@ -530,7 +516,7 @@ static ssize_t wlp_get_wss_info(struct wlp *wlp, struct wlp_attr_wss_info *attr,
 	len = result;
 	used = sizeof(*attr);
 	ptr = attr;
-	d_printf(6, dev, "WLP: WSS info: Retrieving WSSID\n");
+
 	result = wlp_get_wssid(wlp, ptr + used, wssid, buflen - used);
 	if (result < 0) {
 		dev_err(dev, "WLP: unable to obtain WSSID from WSS info.\n");
@@ -553,8 +539,6 @@ static ssize_t wlp_get_wss_info(struct wlp *wlp, struct wlp_attr_wss_info *attr,
 		goto out;
 	}
 	result = used;
-	d_printf(6, dev, "WLP: Successfully parsed WLP information "
-		 "attribute. used %zu bytes\n", used);
 out:
 	return result;
 }
@@ -598,8 +582,6 @@ static ssize_t wlp_get_all_wss_info(struct wlp *wlp,
 	struct wlp_wssid_e *wssid_e;
 	char buf[WLP_WSS_UUID_STRSIZE];
 
-	d_fnstart(6, dev, "wlp %p, attr %p, neighbor %p, wss %p, buflen %d \n",
-		  wlp, attr, neighbor, wss, (int)buflen);
 	if (buflen < 0)
 		goto out;
 
@@ -638,8 +620,7 @@ static ssize_t wlp_get_all_wss_info(struct wlp *wlp,
 			wss->accept_enroll = wss_info.accept_enroll;
 			wss->state = WLP_WSS_STATE_PART_ENROLLED;
 			wlp_wss_uuid_print(buf, sizeof(buf), &wssid);
-			d_printf(2, dev, "WLP: Found WSS %s. Enrolling.\n",
-				 buf);
+			dev_dbg(dev, "WLP: Found WSS %s. Enrolling.\n", buf);
 		} else {
 			wssid_e = wlp_create_wssid_e(wlp, neighbor);
 			if (wssid_e == NULL) {
@@ -660,9 +641,6 @@ error_parse:
 	if (result < 0 && !enroll) /* this was a discovery */
 		wlp_remove_neighbor_tmp_info(neighbor);
 out:
-	d_fnend(6, dev, "wlp %p, attr %p, neighbor %p, wss %p, buflen %d, "
-		"result %d \n", wlp, attr, neighbor, wss, (int)buflen,
-		(int)result);
 	return result;
 
 }
@@ -718,7 +696,6 @@ static int wlp_build_assoc_d1(struct wlp *wlp, struct wlp_wss *wss,
 	struct sk_buff *_skb;
 	void *d1_itr;
 
-	d_fnstart(6, dev, "wlp %p\n", wlp);
 	if (wlp->dev_info == NULL) {
 		result = __wlp_setup_device_info(wlp);
 		if (result < 0) {
@@ -728,24 +705,6 @@ static int wlp_build_assoc_d1(struct wlp *wlp, struct wlp_wss *wss,
 		}
 	}
 	info = wlp->dev_info;
-	d_printf(6, dev, "Local properties:\n"
-		 "Device name (%d bytes): %s\n"
-		 "Model name (%d bytes): %s\n"
-		 "Manufacturer (%d bytes): %s\n"
-		 "Model number (%d bytes): %s\n"
-		 "Serial number (%d bytes): %s\n"
-		 "Primary device type: \n"
-		 " Category: %d \n"
-		 " OUI: %02x:%02x:%02x \n"
-		 " OUI Subdivision: %u \n",
-		 (int)strlen(info->name), info->name,
-		 (int)strlen(info->model_name), info->model_name,
-		 (int)strlen(info->manufacturer), info->manufacturer,
-		 (int)strlen(info->model_nr),  info->model_nr,
-		 (int)strlen(info->serial), info->serial,
-		 info->prim_dev_type.category,
-		 info->prim_dev_type.OUI[0], info->prim_dev_type.OUI[1],
-		 info->prim_dev_type.OUI[2], info->prim_dev_type.OUIsubdiv);
 	_skb = dev_alloc_skb(sizeof(*_d1)
 		      + sizeof(struct wlp_attr_uuid_e)
 		      + sizeof(struct wlp_attr_wss_sel_mthd)
@@ -768,7 +727,6 @@ static int wlp_build_assoc_d1(struct wlp *wlp, struct wlp_wss *wss,
 		goto error;
 	}
 	_d1 = (void *) _skb->data;
-	d_printf(6, dev, "D1 starts at %p \n", _d1);
 	_d1->hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
 	_d1->hdr.type = WLP_FRAME_ASSOCIATION;
 	_d1->type = WLP_ASSOC_D1;
@@ -791,25 +749,8 @@ static int wlp_build_assoc_d1(struct wlp *wlp, struct wlp_wss *wss,
 	used += wlp_set_prim_dev_type(d1_itr + used, &info->prim_dev_type);
 	used += wlp_set_wlp_assc_err(d1_itr + used, WLP_ASSOC_ERROR_NONE);
 	skb_put(_skb, sizeof(*_d1) + used);
-	d_printf(6, dev, "D1 message:\n");
-	d_dump(6, dev, _d1, sizeof(*_d1)
-		     + sizeof(struct wlp_attr_uuid_e)
-		     + sizeof(struct wlp_attr_wss_sel_mthd)
-		     + sizeof(struct wlp_attr_dev_name)
-		     + strlen(info->name)
-		     + sizeof(struct wlp_attr_manufacturer)
-		     + strlen(info->manufacturer)
-		     + sizeof(struct wlp_attr_model_name)
-		     + strlen(info->model_name)
-		     + sizeof(struct wlp_attr_model_nr)
-		     + strlen(info->model_nr)
-		     + sizeof(struct wlp_attr_serial)
-		     + strlen(info->serial)
-		     + sizeof(struct wlp_attr_prim_dev_type)
-		     + sizeof(struct wlp_attr_wlp_assc_err));
 	*skb = _skb;
 error:
-	d_fnend(6, dev, "wlp %p, result = %d\n", wlp, result);
 	return result;
 }
 
@@ -837,7 +778,6 @@ int wlp_build_assoc_d2(struct wlp *wlp, struct wlp_wss *wss,
 	void *d2_itr;
 	size_t mem_needed;
 
-	d_fnstart(6, dev, "wlp %p\n", wlp);
 	if (wlp->dev_info == NULL) {
 		result = __wlp_setup_device_info(wlp);
 		if (result < 0) {
@@ -847,24 +787,6 @@ int wlp_build_assoc_d2(struct wlp *wlp, struct wlp_wss *wss,
 		}
 	}
 	info = wlp->dev_info;
-	d_printf(6, dev, "Local properties:\n"
-		 "Device name (%d bytes): %s\n"
-		 "Model name (%d bytes): %s\n"
-		 "Manufacturer (%d bytes): %s\n"
-		 "Model number (%d bytes): %s\n"
-		 "Serial number (%d bytes): %s\n"
-		 "Primary device type: \n"
-		 " Category: %d \n"
-		 " OUI: %02x:%02x:%02x \n"
-		 " OUI Subdivision: %u \n",
-		 (int)strlen(info->name), info->name,
-		 (int)strlen(info->model_name), info->model_name,
-		 (int)strlen(info->manufacturer), info->manufacturer,
-		 (int)strlen(info->model_nr),  info->model_nr,
-		 (int)strlen(info->serial), info->serial,
-		 info->prim_dev_type.category,
-		 info->prim_dev_type.OUI[0], info->prim_dev_type.OUI[1],
-		 info->prim_dev_type.OUI[2], info->prim_dev_type.OUIsubdiv);
 	mem_needed = sizeof(*_d2)
 		      + sizeof(struct wlp_attr_uuid_e)
 		      + sizeof(struct wlp_attr_uuid_r)
@@ -892,7 +814,6 @@ int wlp_build_assoc_d2(struct wlp *wlp, struct wlp_wss *wss,
 		goto error;
 	}
 	_d2 = (void *) _skb->data;
-	d_printf(6, dev, "D2 starts at %p \n", _d2);
 	_d2->hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
 	_d2->hdr.type = WLP_FRAME_ASSOCIATION;
 	_d2->type = WLP_ASSOC_D2;
@@ -917,11 +838,8 @@ int wlp_build_assoc_d2(struct wlp *wlp, struct wlp_wss *wss,
 	used += wlp_set_prim_dev_type(d2_itr + used, &info->prim_dev_type);
 	used += wlp_set_wlp_assc_err(d2_itr + used, WLP_ASSOC_ERROR_NONE);
 	skb_put(_skb, sizeof(*_d2) + used);
-	d_printf(6, dev, "D2 message:\n");
-	d_dump(6, dev, _d2, mem_needed);
 	*skb = _skb;
 error:
-	d_fnend(6, dev, "wlp %p, result = %d\n", wlp, result);
 	return result;
 }
 
@@ -947,7 +865,6 @@ int wlp_build_assoc_f0(struct wlp *wlp, struct sk_buff **skb,
 	struct sk_buff *_skb;
 	struct wlp_nonce tmp;
 
-	d_fnstart(6, dev, "wlp %p\n", wlp);
 	_skb = dev_alloc_skb(sizeof(*f0));
 	if (_skb == NULL) {
 		dev_err(dev, "WLP: Unable to allocate memory for F0 "
@@ -955,7 +872,6 @@ int wlp_build_assoc_f0(struct wlp *wlp, struct sk_buff **skb,
 		goto error_alloc;
 	}
 	f0 = (void *) _skb->data;
-	d_printf(6, dev, "F0 starts at %p \n", f0);
 	f0->f0_hdr.hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
 	f0->f0_hdr.hdr.type = WLP_FRAME_ASSOCIATION;
 	f0->f0_hdr.type = WLP_ASSOC_F0;
@@ -969,7 +885,6 @@ int wlp_build_assoc_f0(struct wlp *wlp, struct sk_buff **skb,
 	*skb = _skb;
 	result = 0;
 error_alloc:
-	d_fnend(6, dev, "wlp %p, result %d \n", wlp, result);
 	return result;
 }
 
@@ -1242,12 +1157,9 @@ void wlp_handle_d1_frame(struct work_struct *ws)
 	enum wlp_wss_sel_mthd sel_mthd = 0;
 	struct wlp_device_info dev_info;
 	enum wlp_assc_error assc_err;
-	char uuid[WLP_WSS_UUID_STRSIZE];
 	struct sk_buff *resp = NULL;
 
 	/* Parse D1 frame */
-	d_fnstart(6, dev, "WLP: handle D1 frame. wlp = %p, skb = %p\n",
-		  wlp, skb);
 	mutex_lock(&wss->mutex);
 	mutex_lock(&wlp->mutex); /* to access wlp->uuid */
 	memset(&dev_info, 0, sizeof(dev_info));
@@ -1258,30 +1170,6 @@ void wlp_handle_d1_frame(struct work_struct *ws)
 		kfree_skb(skb);
 		goto out;
 	}
-	wlp_wss_uuid_print(uuid, sizeof(uuid), &uuid_e);
-	d_printf(6, dev, "From D1 frame:\n"
-		 "UUID-E: %s\n"
-		 "Selection method: %d\n"
-		 "Device name (%d bytes): %s\n"
-		 "Model name (%d bytes): %s\n"
-		 "Manufacturer (%d bytes): %s\n"
-		 "Model number (%d bytes): %s\n"
-		 "Serial number (%d bytes): %s\n"
-		 "Primary device type: \n"
-		 " Category: %d \n"
-		 " OUI: %02x:%02x:%02x \n"
-		 " OUI Subdivision: %u \n",
-		 uuid, sel_mthd,
-		 (int)strlen(dev_info.name), dev_info.name,
-		 (int)strlen(dev_info.model_name), dev_info.model_name,
-		 (int)strlen(dev_info.manufacturer), dev_info.manufacturer,
-		 (int)strlen(dev_info.model_nr),  dev_info.model_nr,
-		 (int)strlen(dev_info.serial), dev_info.serial,
-		 dev_info.prim_dev_type.category,
-		 dev_info.prim_dev_type.OUI[0],
-		 dev_info.prim_dev_type.OUI[1],
-		 dev_info.prim_dev_type.OUI[2],
-		 dev_info.prim_dev_type.OUIsubdiv);
 
 	kfree_skb(skb);
 	if (!wlp_uuid_is_set(&wlp->uuid)) {
@@ -1316,7 +1204,6 @@ out:
 	kfree(frame_ctx);
 	mutex_unlock(&wlp->mutex);
 	mutex_unlock(&wss->mutex);
-	d_fnend(6, dev, "WLP: handle D1 frame. wlp = %p\n", wlp);
 }
 
 /**
@@ -1546,10 +1433,8 @@ int wlp_parse_c3c4_frame(struct wlp *wlp, struct sk_buff *skb,
 	void *ptr = skb->data;
 	size_t len = skb->len;
 	size_t used;
-	char buf[WLP_WSS_UUID_STRSIZE];
 	struct wlp_frame_assoc *assoc = ptr;
 
-	d_fnstart(6, dev, "wlp %p, skb %p \n", wlp, skb);
 	used = sizeof(*assoc);
 	result = wlp_get_wssid(wlp, ptr + used, wssid, len - used);
 	if (result < 0) {
@@ -1572,14 +1457,7 @@ int wlp_parse_c3c4_frame(struct wlp *wlp, struct sk_buff *skb,
 			wlp_assoc_frame_str(assoc->type));
 		goto error_parse;
 	}
-	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
-	d_printf(6, dev, "WLP: parsed: WSSID %s, tag 0x%02x, virt "
-		 "%02x:%02x:%02x:%02x:%02x:%02x \n", buf, *tag,
-		 virt_addr->data[0], virt_addr->data[1], virt_addr->data[2],
-		 virt_addr->data[3], virt_addr->data[4], virt_addr->data[5]);
-
 error_parse:
-	d_fnend(6, dev, "wlp %p, skb %p, result = %d \n", wlp, skb, result);
 	return result;
 }
 
@@ -1600,7 +1478,6 @@ int wlp_build_assoc_c1c2(struct wlp *wlp, struct wlp_wss *wss,
 	} *c;
 	struct sk_buff *_skb;
 
-	d_fnstart(6, dev, "wlp %p, wss %p \n", wlp, wss);
 	_skb = dev_alloc_skb(sizeof(*c));
 	if (_skb == NULL) {
 		dev_err(dev, "WLP: Unable to allocate memory for C1/C2 "
@@ -1608,7 +1485,6 @@ int wlp_build_assoc_c1c2(struct wlp *wlp, struct wlp_wss *wss,
 		goto error_alloc;
 	}
 	c = (void *) _skb->data;
-	d_printf(6, dev, "C1/C2 starts at %p \n", c);
 	c->c_hdr.hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
 	c->c_hdr.hdr.type = WLP_FRAME_ASSOCIATION;
 	c->c_hdr.type = type;
@@ -1616,12 +1492,9 @@ int wlp_build_assoc_c1c2(struct wlp *wlp, struct wlp_wss *wss,
 	wlp_set_msg_type(&c->c_hdr.msg_type, type);
 	wlp_set_wssid(&c->wssid, &wss->wssid);
 	skb_put(_skb, sizeof(*c));
-	d_printf(6, dev, "C1/C2 message:\n");
-	d_dump(6, dev, c, sizeof(*c));
 	*skb = _skb;
 	result = 0;
 error_alloc:
-	d_fnend(6, dev, "wlp %p, wss %p, result %d \n", wlp, wss, result);
 	return result;
 }
 
@@ -1660,7 +1533,6 @@ int wlp_build_assoc_c3c4(struct wlp *wlp, struct wlp_wss *wss,
 	} *c;
 	struct sk_buff *_skb;
 
-	d_fnstart(6, dev, "wlp %p, wss %p \n", wlp, wss);
 	_skb = dev_alloc_skb(sizeof(*c));
 	if (_skb == NULL) {
 		dev_err(dev, "WLP: Unable to allocate memory for C3/C4 "
@@ -1668,7 +1540,6 @@ int wlp_build_assoc_c3c4(struct wlp *wlp, struct wlp_wss *wss,
 		goto error_alloc;
 	}
 	c = (void *) _skb->data;
-	d_printf(6, dev, "C3/C4 starts at %p \n", c);
 	c->c_hdr.hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
 	c->c_hdr.hdr.type = WLP_FRAME_ASSOCIATION;
 	c->c_hdr.type = type;
@@ -1678,12 +1549,9 @@ int wlp_build_assoc_c3c4(struct wlp *wlp, struct wlp_wss *wss,
 	wlp_set_wss_tag(&c->wss_tag, wss->tag);
 	wlp_set_wss_virt(&c->wss_virt, &wss->virtual_addr);
 	skb_put(_skb, sizeof(*c));
-	d_printf(6, dev, "C3/C4 message:\n");
-	d_dump(6, dev, c, sizeof(*c));
 	*skb = _skb;
 	result = 0;
 error_alloc:
-	d_fnend(6, dev, "wlp %p, wss %p, result %d \n", wlp, wss, result);
 	return result;
 }
 
@@ -1709,10 +1577,7 @@ static int wlp_send_assoc_##type(struct wlp *wlp, struct wlp_wss *wss,	\
 	struct device *dev = &wlp->rc->uwb_dev.dev;			\
 	int result;							\
 	struct sk_buff *skb = NULL;					\
-	d_fnstart(6, dev, "wlp %p, wss %p, neighbor: %02x:%02x\n",	\
-		  wlp, wss, dev_addr->data[1], dev_addr->data[0]);	\
-	d_printf(6, dev, "WLP: Constructing %s frame. \n",		\
-		 wlp_assoc_frame_str(id));				\
+									\
 	/* Build the frame */						\
 	result = wlp_build_assoc_##type(wlp, wss, &skb);		\
 	if (result < 0) {						\
@@ -1721,9 +1586,6 @@ static int wlp_send_assoc_##type(struct wlp *wlp, struct wlp_wss *wss,	\
 		goto error_build_assoc;					\
 	}								\
 	/* Send the frame */						\
-	d_printf(6, dev, "Transmitting %s frame to %02x:%02x \n",	\
-		 wlp_assoc_frame_str(id),				\
-		 dev_addr->data[1], dev_addr->data[0]);			\
 	BUG_ON(wlp->xmit_frame == NULL);				\
 	result = wlp->xmit_frame(wlp, skb, dev_addr);			\
 	if (result < 0) {						\
@@ -1740,8 +1602,6 @@ error_xmit:								\
 	/* We could try again ... */					\
 	dev_kfree_skb_any(skb);/*we need to free if tx fails*/		\
 error_build_assoc:							\
-	d_fnend(6, dev, "wlp %p, wss %p, neighbor: %02x:%02x\n",	\
-		wlp, wss, dev_addr->data[1], dev_addr->data[0]);	\
 	return result;							\
 }
 
@@ -1794,12 +1654,9 @@ void wlp_handle_c1_frame(struct work_struct *ws)
 	struct uwb_dev_addr *src = &frame_ctx->src;
 	int result;
 	struct wlp_uuid wssid;
-	char buf[WLP_WSS_UUID_STRSIZE];
 	struct sk_buff *resp = NULL;
 
 	/* Parse C1 frame */
-	d_fnstart(6, dev, "WLP: handle C1 frame. wlp = %p, c1 = %p\n",
-		  wlp, c1);
 	mutex_lock(&wss->mutex);
 	result = wlp_get_wssid(wlp, (void *)c1 + sizeof(*c1), &wssid,
 			       len - sizeof(*c1));
@@ -1807,12 +1664,8 @@ void wlp_handle_c1_frame(struct work_struct *ws)
 		dev_err(dev, "WLP: unable to obtain WSSID from C1 frame.\n");
 		goto out;
 	}
-	wlp_wss_uuid_print(buf, sizeof(buf), &wssid);
-	d_printf(6, dev, "Received C1 frame with WSSID %s \n", buf);
 	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid))
 	    && wss->state == WLP_WSS_STATE_ACTIVE) {
-		d_printf(6, dev, "WSSID from C1 frame is known locally "
-			 "and is active\n");
 		/* Construct C2 frame */
 		result = wlp_build_assoc_c2(wlp, wss, &resp);
 		if (result < 0) {
@@ -1820,8 +1673,6 @@ void wlp_handle_c1_frame(struct work_struct *ws)
 			goto out;
 		}
 	} else {
-		d_printf(6, dev, "WSSID from C1 frame is not known locally "
-			 "or is not active\n");
 		/* Construct F0 frame */
 		result = wlp_build_assoc_f0(wlp, &resp, WLP_ASSOC_ERROR_INV);
 		if (result < 0) {
@@ -1830,8 +1681,6 @@ void wlp_handle_c1_frame(struct work_struct *ws)
 		}
 	}
 	/* Send C2 frame */
-	d_printf(6, dev, "Transmitting response (C2/F0) frame to %02x:%02x \n",
-		 src->data[1], src->data[0]);
 	BUG_ON(wlp->xmit_frame == NULL);
 	result = wlp->xmit_frame(wlp, resp, src);
 	if (result < 0) {
@@ -1846,7 +1695,6 @@ out:
 	kfree_skb(frame_ctx->skb);
 	kfree(frame_ctx);
 	mutex_unlock(&wss->mutex);
-	d_fnend(6, dev, "WLP: handle C1 frame. wlp = %p\n", wlp);
 }
 
 /**
@@ -1868,27 +1716,20 @@ void wlp_handle_c3_frame(struct work_struct *ws)
 	struct sk_buff *skb = frame_ctx->skb;
 	struct uwb_dev_addr *src = &frame_ctx->src;
 	int result;
-	char buf[WLP_WSS_UUID_STRSIZE];
 	struct sk_buff *resp = NULL;
 	struct wlp_uuid wssid;
 	u8 tag;
 	struct uwb_mac_addr virt_addr;
 
 	/* Parse C3 frame */
-	d_fnstart(6, dev, "WLP: handle C3 frame. wlp = %p, skb = %p\n",
-		  wlp, skb);
 	mutex_lock(&wss->mutex);
 	result = wlp_parse_c3c4_frame(wlp, skb, &wssid, &tag, &virt_addr);
 	if (result < 0) {
 		dev_err(dev, "WLP: unable to obtain values from C3 frame.\n");
 		goto out;
 	}
-	wlp_wss_uuid_print(buf, sizeof(buf), &wssid);
-	d_printf(6, dev, "Received C3 frame with WSSID %s \n", buf);
 	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid))
 	    && wss->state >= WLP_WSS_STATE_ACTIVE) {
-		d_printf(6, dev, "WSSID from C3 frame is known locally "
-			 "and is active\n");
 		result = wlp_eda_update_node(&wlp->eda, src, wss,
 					     (void *) virt_addr.data, tag,
 					     WLP_WSS_CONNECTED);
@@ -1913,8 +1754,6 @@ void wlp_handle_c3_frame(struct work_struct *ws)
 			}
 		}
 	} else {
-		d_printf(6, dev, "WSSID from C3 frame is not known locally "
-			 "or is not active\n");
 		/* Construct F0 frame */
 		result = wlp_build_assoc_f0(wlp, &resp, WLP_ASSOC_ERROR_INV);
 		if (result < 0) {
@@ -1923,8 +1762,6 @@ void wlp_handle_c3_frame(struct work_struct *ws)
 		}
 	}
 	/* Send C4 frame */
-	d_printf(6, dev, "Transmitting response (C4/F0) frame to %02x:%02x \n",
-		 src->data[1], src->data[0]);
 	BUG_ON(wlp->xmit_frame == NULL);
 	result = wlp->xmit_frame(wlp, resp, src);
 	if (result < 0) {
@@ -1939,8 +1776,6 @@ out:
 	kfree_skb(frame_ctx->skb);
 	kfree(frame_ctx);
 	mutex_unlock(&wss->mutex);
-	d_fnend(6, dev, "WLP: handle C3 frame. wlp = %p, skb = %p\n",
-		wlp, skb);
 }
 
 
diff --git a/drivers/uwb/wlp/sysfs.c b/drivers/uwb/wlp/sysfs.c
index 1bb9b1f97d4..0370399ff4b 100644
--- a/drivers/uwb/wlp/sysfs.c
+++ b/drivers/uwb/wlp/sysfs.c
@@ -23,8 +23,8 @@
  * FIXME: Docs
  *
  */
-
 #include <linux/wlp.h>
+
 #include "wlp-internal.h"
 
 static
diff --git a/drivers/uwb/wlp/txrx.c b/drivers/uwb/wlp/txrx.c
index c701bd1a288..cd2035768b4 100644
--- a/drivers/uwb/wlp/txrx.c
+++ b/drivers/uwb/wlp/txrx.c
@@ -26,12 +26,10 @@
 
 #include <linux/etherdevice.h>
 #include <linux/wlp.h>
-#define D_LOCAL 5
-#include <linux/uwb/debug.h>
-#include "wlp-internal.h"
 
+#include "wlp-internal.h"
 
-/**
+/*
  * Direct incoming association msg to correct parsing routine
  *
  * We only expect D1, E1, C1, C3 messages as new. All other incoming
@@ -48,35 +46,31 @@ void wlp_direct_assoc_frame(struct wlp *wlp, struct sk_buff *skb,
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	struct wlp_frame_assoc *assoc = (void *) skb->data;
 	struct wlp_assoc_frame_ctx *frame_ctx;
-	d_fnstart(5, dev, "wlp %p, skb %p\n", wlp, skb);
+
 	frame_ctx = kmalloc(sizeof(*frame_ctx), GFP_ATOMIC);
 	if (frame_ctx == NULL) {
 		dev_err(dev, "WLP: Unable to allocate memory for association "
 			"frame handling.\n");
 		kfree_skb(skb);
-		goto out;
+		return;
 	}
 	frame_ctx->wlp = wlp;
 	frame_ctx->skb = skb;
 	frame_ctx->src = *src;
 	switch (assoc->type) {
 	case WLP_ASSOC_D1:
-		d_printf(5, dev, "Received a D1 frame.\n");
 		INIT_WORK(&frame_ctx->ws, wlp_handle_d1_frame);
 		schedule_work(&frame_ctx->ws);
 		break;
 	case WLP_ASSOC_E1:
-		d_printf(5, dev, "Received a E1 frame. FIXME?\n");
 		kfree_skb(skb); /* Temporary until we handle it */
 		kfree(frame_ctx); /* Temporary until we handle it */
 		break;
 	case WLP_ASSOC_C1:
-		d_printf(5, dev, "Received a C1 frame.\n");
 		INIT_WORK(&frame_ctx->ws, wlp_handle_c1_frame);
 		schedule_work(&frame_ctx->ws);
 		break;
 	case WLP_ASSOC_C3:
-		d_printf(5, dev, "Received a C3 frame.\n");
 		INIT_WORK(&frame_ctx->ws, wlp_handle_c3_frame);
 		schedule_work(&frame_ctx->ws);
 		break;
@@ -87,11 +81,9 @@ void wlp_direct_assoc_frame(struct wlp *wlp, struct sk_buff *skb,
 		kfree(frame_ctx);
 		break;
 	}
-out:
-	d_fnend(5, dev, "wlp %p\n", wlp);
 }
 
-/**
+/*
  * Process incoming association frame
  *
  * Although it could be possible to deal with some incoming association
@@ -112,7 +104,6 @@ void wlp_receive_assoc_frame(struct wlp *wlp, struct sk_buff *skb,
 	struct wlp_frame_assoc *assoc = (void *) skb->data;
 	struct wlp_session *session = wlp->session;
 	u8 version;
-	d_fnstart(5, dev, "wlp %p, skb %p\n", wlp, skb);
 
 	if (wlp_get_version(wlp, &assoc->version, &version,
 			    sizeof(assoc->version)) < 0)
@@ -150,14 +141,12 @@ void wlp_receive_assoc_frame(struct wlp *wlp, struct sk_buff *skb,
 	} else {
 		wlp_direct_assoc_frame(wlp, skb, src);
 	}
-	d_fnend(5, dev, "wlp %p\n", wlp);
 	return;
 error:
 	kfree_skb(skb);
-	d_fnend(5, dev, "wlp %p\n", wlp);
 }
 
-/**
+/*
  * Verify incoming frame is from connected neighbor, prep to pass to WLP client
  *
  * Verification proceeds according to WLP 0.99 [7.3.1]. The source address
@@ -176,7 +165,6 @@ int wlp_verify_prep_rx_frame(struct wlp *wlp, struct sk_buff *skb,
 	struct wlp_eda_node eda_entry;
 	struct wlp_frame_std_abbrv_hdr *hdr = (void *) skb->data;
 
-	d_fnstart(6, dev, "wlp %p, skb %p \n", wlp, skb);
 	/*verify*/
 	result = wlp_copy_eda_node(&wlp->eda, src, &eda_entry);
 	if (result < 0) {
@@ -207,11 +195,10 @@ int wlp_verify_prep_rx_frame(struct wlp *wlp, struct sk_buff *skb,
 	/*prep*/
 	skb_pull(skb, sizeof(*hdr));
 out:
-	d_fnend(6, dev, "wlp %p, skb %p, result = %d \n", wlp, skb, result);
 	return result;
 }
 
-/**
+/*
  * Receive a WLP frame from device
  *
  * @returns: 1 if calling function should free the skb
@@ -226,14 +213,12 @@ int wlp_receive_frame(struct device *dev, struct wlp *wlp, struct sk_buff *skb,
 	struct wlp_frame_hdr *hdr;
 	int result = 0;
 
-	d_fnstart(6, dev, "skb (%p), len (%u)\n", skb, len);
 	if (len < sizeof(*hdr)) {
 		dev_err(dev, "Not enough data to parse WLP header.\n");
 		result = -EINVAL;
 		goto out;
 	}
 	hdr = ptr;
-	d_dump(6, dev, hdr, sizeof(*hdr));
 	if (le16_to_cpu(hdr->mux_hdr) != WLP_PROTOCOL_ID) {
 		dev_err(dev, "Not a WLP frame type.\n");
 		result = -EINVAL;
@@ -270,7 +255,6 @@ int wlp_receive_frame(struct device *dev, struct wlp *wlp, struct sk_buff *skb,
 				"WLP header.\n");
 			goto out;
 		}
-		d_printf(5, dev, "Association frame received.\n");
 		wlp_receive_assoc_frame(wlp, skb, src);
 		break;
 	default:
@@ -283,13 +267,12 @@ out:
 		kfree_skb(skb);
 		result = 0;
 	}
-	d_fnend(6, dev, "skb (%p)\n", skb);
 	return result;
 }
 EXPORT_SYMBOL_GPL(wlp_receive_frame);
 
 
-/**
+/*
  * Verify frame from network stack, prepare for further transmission
  *
  * @skb:   the socket buffer that needs to be prepared for transmission (it
@@ -343,9 +326,7 @@ int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp,
 	int result = -EINVAL;
 	struct ethhdr *eth_hdr = (void *) skb->data;
 
-	d_fnstart(6, dev, "wlp (%p), skb (%p) \n", wlp, skb);
 	if (is_broadcast_ether_addr(eth_hdr->h_dest)) {
-		d_printf(6, dev, "WLP: handling broadcast frame. \n");
 		result = wlp_eda_for_each(&wlp->eda, wlp_wss_send_copy, skb);
 		if (result < 0) {
 			if (printk_ratelimit())
@@ -357,7 +338,6 @@ int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp,
 		result = 1;
 		/* Frame will be transmitted by WLP. */
 	} else {
-		d_printf(6, dev, "WLP: handling unicast frame. \n");
 		result = wlp_eda_for_virtual(&wlp->eda, eth_hdr->h_dest, dst,
 					     wlp_wss_prep_hdr, skb);
 		if (unlikely(result < 0)) {
@@ -368,7 +348,6 @@ int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp,
 		}
 	}
 out:
-	d_fnend(6, dev, "wlp (%p), skb (%p). result = %d \n", wlp, skb, result);
 	return result;
 }
 EXPORT_SYMBOL_GPL(wlp_prepare_tx_frame);
diff --git a/drivers/uwb/wlp/wlp-internal.h b/drivers/uwb/wlp/wlp-internal.h
index 1c94fabfb1a..3e8d5de7c5b 100644
--- a/drivers/uwb/wlp/wlp-internal.h
+++ b/drivers/uwb/wlp/wlp-internal.h
@@ -42,10 +42,6 @@ enum wlp_wss_connect {
 extern struct kobj_type wss_ktype;
 extern struct attribute_group wss_attr_group;
 
-extern int uwb_rc_ie_add(struct uwb_rc *, const struct uwb_ie_hdr *, size_t);
-extern int uwb_rc_ie_rm(struct uwb_rc *, enum uwb_ie);
-
-
 /* This should be changed to a dynamic array where entries are sorted
  * by eth_addr and search is done in a binary form
  *
diff --git a/drivers/uwb/wlp/wlp-lc.c b/drivers/uwb/wlp/wlp-lc.c
index 0799402e73f..13db739c4e3 100644
--- a/drivers/uwb/wlp/wlp-lc.c
+++ b/drivers/uwb/wlp/wlp-lc.c
@@ -21,12 +21,9 @@
  *
  * FIXME: docs
  */
-
 #include <linux/wlp.h>
-#define D_LOCAL 6
-#include <linux/uwb/debug.h>
-#include "wlp-internal.h"
 
+#include "wlp-internal.h"
 
 static
 void wlp_neighbor_init(struct wlp_neighbor_e *neighbor)
@@ -61,11 +58,6 @@ int __wlp_alloc_device_info(struct wlp *wlp)
 static
 void __wlp_fill_device_info(struct wlp *wlp)
 {
-	struct device *dev = &wlp->rc->uwb_dev.dev;
-
-	BUG_ON(wlp->fill_device_info == NULL);
-	d_printf(6, dev, "Retrieving device information "
-			 "from device driver.\n");
 	wlp->fill_device_info(wlp, wlp->dev_info);
 }
 
@@ -127,7 +119,7 @@ void wlp_remove_neighbor_tmp_info(struct wlp_neighbor_e *neighbor)
 	}
 }
 
-/**
+/*
  * Populate WLP neighborhood cache with neighbor information
  *
  * A new neighbor is found. If it is discoverable then we add it to the
@@ -141,10 +133,7 @@ int wlp_add_neighbor(struct wlp *wlp, struct uwb_dev *dev)
 	int discoverable;
 	struct wlp_neighbor_e *neighbor;
 
-	d_fnstart(6, &dev->dev, "uwb %p \n", dev);
-	d_printf(6, &dev->dev, "Found neighbor device %02x:%02x \n",
-		 dev->dev_addr.data[1], dev->dev_addr.data[0]);
-	/**
+	/*
 	 * FIXME:
 	 * Use contents of WLP IE found in beacon cache to determine if
 	 * neighbor is discoverable.
@@ -167,7 +156,6 @@ int wlp_add_neighbor(struct wlp *wlp, struct uwb_dev *dev)
 		list_add(&neighbor->node, &wlp->neighbors);
 	}
 error_no_mem:
-	d_fnend(6, &dev->dev, "uwb %p, result = %d \n", dev, result);
 	return result;
 }
 
@@ -255,8 +243,6 @@ int wlp_d1d2_exchange(struct wlp *wlp, struct wlp_neighbor_e *neighbor,
 		dev_err(dev, "Unable to send D1 frame to neighbor "
 			"%02x:%02x (%d)\n", dev_addr->data[1],
 			dev_addr->data[0], result);
-		d_printf(6, dev, "Add placeholders into buffer next to "
-			 "neighbor information we have (dev address).\n");
 		goto out;
 	}
 	/* Create session, wait for response */
@@ -284,8 +270,6 @@ int wlp_d1d2_exchange(struct wlp *wlp, struct wlp_neighbor_e *neighbor,
 	/* Parse message in session->data: it will be either D2 or F0 */
 	skb = session.data;
 	resp = (void *) skb->data;
-	d_printf(6, dev, "Received response to D1 frame. \n");
-	d_dump(6, dev, skb->data, skb->len > 72 ? 72 : skb->len);
 
 	if (resp->type == WLP_ASSOC_F0) {
 		result = wlp_parse_f0(wlp, skb);
@@ -337,10 +321,9 @@ int wlp_enroll_neighbor(struct wlp *wlp, struct wlp_neighbor_e *neighbor,
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	char buf[WLP_WSS_UUID_STRSIZE];
 	struct uwb_dev_addr *dev_addr = &neighbor->uwb_dev->dev_addr;
+
 	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
-	d_fnstart(6, dev, "wlp %p, neighbor %p, wss %p, wssid %p (%s)\n",
-		  wlp, neighbor, wss, wssid, buf);
-	d_printf(6, dev, "Complete me.\n");
+
 	result =  wlp_d1d2_exchange(wlp, neighbor, wss, wssid);
 	if (result < 0) {
 		dev_err(dev, "WLP: D1/D2 message exchange for enrollment "
@@ -360,13 +343,10 @@ int wlp_enroll_neighbor(struct wlp *wlp, struct wlp_neighbor_e *neighbor,
 		goto error;
 	} else {
 		wss->state = WLP_WSS_STATE_ENROLLED;
-		d_printf(2, dev, "WLP: Success Enrollment into unsecure WSS "
-			 "%s using neighbor %02x:%02x. \n", buf,
-			 dev_addr->data[1], dev_addr->data[0]);
+		dev_dbg(dev, "WLP: Success Enrollment into unsecure WSS "
+			"%s using neighbor %02x:%02x. \n",
+			buf, dev_addr->data[1], dev_addr->data[0]);
 	}
-
-	d_fnend(6, dev, "wlp %p, neighbor %p, wss %p, wssid %p (%s)\n",
-		  wlp, neighbor, wss, wssid, buf);
 out:
 	return result;
 error:
@@ -449,7 +429,6 @@ ssize_t wlp_discover(struct wlp *wlp)
 	int result = 0;
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 
-	d_fnstart(6, dev, "wlp %p \n", wlp);
 	mutex_lock(&wlp->nbmutex);
 	/* Clear current neighborhood cache. */
 	__wlp_neighbors_release(wlp);
@@ -469,7 +448,6 @@ ssize_t wlp_discover(struct wlp *wlp)
 	}
 error_dev_for_each:
 	mutex_unlock(&wlp->nbmutex);
-	d_fnend(6, dev, "wlp %p \n", wlp);
 	return result;
 }
 
@@ -492,9 +470,6 @@ void wlp_uwb_notifs_cb(void *_wlp, struct uwb_dev *uwb_dev,
 	int result;
 	switch (event) {
 	case UWB_NOTIF_ONAIR:
-		d_printf(6, dev, "UWB device %02x:%02x is onair\n",
-				uwb_dev->dev_addr.data[1],
-				uwb_dev->dev_addr.data[0]);
 		result = wlp_eda_create_node(&wlp->eda,
 					     uwb_dev->mac_addr.data,
 					     &uwb_dev->dev_addr);
@@ -505,18 +480,11 @@ void wlp_uwb_notifs_cb(void *_wlp, struct uwb_dev *uwb_dev,
 				uwb_dev->dev_addr.data[0]);
 		break;
 	case UWB_NOTIF_OFFAIR:
-		d_printf(6, dev, "UWB device %02x:%02x is offair\n",
-				uwb_dev->dev_addr.data[1],
-				uwb_dev->dev_addr.data[0]);
 		wlp_eda_rm_node(&wlp->eda, &uwb_dev->dev_addr);
 		mutex_lock(&wlp->nbmutex);
-		list_for_each_entry_safe(neighbor, next, &wlp->neighbors,
-					 node) {
-			if (neighbor->uwb_dev == uwb_dev) {
-				d_printf(6, dev, "Removing device from "
-					 "neighborhood.\n");
+		list_for_each_entry_safe(neighbor, next, &wlp->neighbors, node) {
+			if (neighbor->uwb_dev == uwb_dev)
 				__wlp_neighbor_release(neighbor);
-			}
 		}
 		mutex_unlock(&wlp->nbmutex);
 		break;
@@ -526,38 +494,47 @@ void wlp_uwb_notifs_cb(void *_wlp, struct uwb_dev *uwb_dev,
 	}
 }
 
-int wlp_setup(struct wlp *wlp, struct uwb_rc *rc)
+static void wlp_channel_changed(struct uwb_pal *pal, int channel)
+{
+	struct wlp *wlp = container_of(pal, struct wlp, pal);
+
+	if (channel < 0)
+		netif_carrier_off(wlp->ndev);
+	else
+		netif_carrier_on(wlp->ndev);
+}
+
+int wlp_setup(struct wlp *wlp, struct uwb_rc *rc, struct net_device *ndev)
 {
-	struct device *dev = &rc->uwb_dev.dev;
 	int result;
 
-	d_fnstart(6, dev, "wlp %p\n", wlp);
 	BUG_ON(wlp->fill_device_info == NULL);
 	BUG_ON(wlp->xmit_frame == NULL);
 	BUG_ON(wlp->stop_queue == NULL);
 	BUG_ON(wlp->start_queue == NULL);
+
 	wlp->rc = rc;
+	wlp->ndev = ndev;
 	wlp_eda_init(&wlp->eda);/* Set up address cache */
 	wlp->uwb_notifs_handler.cb = wlp_uwb_notifs_cb;
 	wlp->uwb_notifs_handler.data = wlp;
 	uwb_notifs_register(rc, &wlp->uwb_notifs_handler);
 
 	uwb_pal_init(&wlp->pal);
-	result = uwb_pal_register(rc, &wlp->pal);
+	wlp->pal.rc = rc;
+	wlp->pal.channel_changed = wlp_channel_changed;
+	result = uwb_pal_register(&wlp->pal);
 	if (result < 0)
 		uwb_notifs_deregister(wlp->rc, &wlp->uwb_notifs_handler);
 
-	d_fnend(6, dev, "wlp %p, result = %d\n", wlp, result);
 	return result;
 }
 EXPORT_SYMBOL_GPL(wlp_setup);
 
 void wlp_remove(struct wlp *wlp)
 {
-	struct device *dev = &wlp->rc->uwb_dev.dev;
-	d_fnstart(6, dev, "wlp %p\n", wlp);
 	wlp_neighbors_release(wlp);
-	uwb_pal_unregister(wlp->rc, &wlp->pal);
+	uwb_pal_unregister(&wlp->pal);
 	uwb_notifs_deregister(wlp->rc, &wlp->uwb_notifs_handler);
 	wlp_eda_release(&wlp->eda);
 	mutex_lock(&wlp->mutex);
@@ -565,9 +542,6 @@ void wlp_remove(struct wlp *wlp)
 		kfree(wlp->dev_info);
 	mutex_unlock(&wlp->mutex);
 	wlp->rc = NULL;
-	/* We have to use NULL here because this function can be called
-	 * when the device disappeared. */
-	d_fnend(6, NULL, "wlp %p\n", wlp);
 }
 EXPORT_SYMBOL_GPL(wlp_remove);
 
diff --git a/drivers/uwb/wlp/wss-lc.c b/drivers/uwb/wlp/wss-lc.c
index 96b18c9bd6e..5913c7a5d92 100644
--- a/drivers/uwb/wlp/wss-lc.c
+++ b/drivers/uwb/wlp/wss-lc.c
@@ -43,14 +43,11 @@
  * 	wlp_wss_release()
  * 		wlp_wss_reset()
  */
-
 #include <linux/etherdevice.h> /* for is_valid_ether_addr */
 #include <linux/skbuff.h>
 #include <linux/wlp.h>
-#define D_LOCAL 5
-#include <linux/uwb/debug.h>
-#include "wlp-internal.h"
 
+#include "wlp-internal.h"
 
 size_t wlp_wss_key_print(char *buf, size_t bufsize, u8 *key)
 {
@@ -116,9 +113,6 @@ struct uwb_mac_addr wlp_wss_sel_bcast_addr(struct wlp_wss *wss)
  */
 void wlp_wss_reset(struct wlp_wss *wss)
 {
-	struct wlp *wlp = container_of(wss, struct wlp, wss);
-	struct device *dev = &wlp->rc->uwb_dev.dev;
-	d_fnstart(5, dev, "wss (%p) \n", wss);
 	memset(&wss->wssid, 0, sizeof(wss->wssid));
 	wss->hash = 0;
 	memset(&wss->name[0], 0, sizeof(wss->name));
@@ -127,7 +121,6 @@ void wlp_wss_reset(struct wlp_wss *wss)
 	memset(&wss->master_key[0], 0, sizeof(wss->master_key));
 	wss->tag = 0;
 	wss->state = WLP_WSS_STATE_NONE;
-	d_fnend(5, dev, "wss (%p) \n", wss);
 }
 
 /**
@@ -145,7 +138,6 @@ int wlp_wss_sysfs_add(struct wlp_wss *wss, char *wssid_str)
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	int result;
 
-	d_fnstart(5, dev, "wss (%p), wssid: %s\n", wss, wssid_str);
 	result = kobject_set_name(&wss->kobj, "wss-%s", wssid_str);
 	if (result < 0)
 		return result;
@@ -162,7 +154,6 @@ int wlp_wss_sysfs_add(struct wlp_wss *wss, char *wssid_str)
 			result);
 		goto error_sysfs_create_group;
 	}
-	d_fnend(5, dev, "Completed. result = %d \n", result);
 	return 0;
 error_sysfs_create_group:
 
@@ -214,22 +205,14 @@ int wlp_wss_enroll_target(struct wlp_wss *wss, struct wlp_uuid *wssid,
 	struct wlp *wlp = container_of(wss, struct wlp, wss);
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	struct wlp_neighbor_e *neighbor;
-	char buf[WLP_WSS_UUID_STRSIZE];
 	int result = -ENXIO;
 	struct uwb_dev_addr *dev_addr;
 
-	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
-	d_fnstart(5, dev, "wss %p, wssid %s, registrar %02x:%02x \n",
-		  wss, buf, dest->data[1], dest->data[0]);
 	mutex_lock(&wlp->nbmutex);
 	list_for_each_entry(neighbor, &wlp->neighbors, node) {
 		dev_addr = &neighbor->uwb_dev->dev_addr;
 		if (!memcmp(dest, dev_addr, sizeof(*dest))) {
-			d_printf(5, dev, "Neighbor %02x:%02x is valid, "
-				 "enrolling. \n",
-				 dev_addr->data[1], dev_addr->data[0]);
-			result = wlp_enroll_neighbor(wlp, neighbor, wss,
-						     wssid);
+			result = wlp_enroll_neighbor(wlp, neighbor, wss, wssid);
 			break;
 		}
 	}
@@ -237,8 +220,6 @@ int wlp_wss_enroll_target(struct wlp_wss *wss, struct wlp_uuid *wssid,
 		dev_err(dev, "WLP: Cannot find neighbor %02x:%02x. \n",
 			dest->data[1], dest->data[0]);
 	mutex_unlock(&wlp->nbmutex);
-	d_fnend(5, dev, "wss %p, wssid %s, registrar %02x:%02x, result %d \n",
-		  wss, buf, dest->data[1], dest->data[0], result);
 	return result;
 }
 
@@ -260,16 +241,11 @@ int wlp_wss_enroll_discovered(struct wlp_wss *wss, struct wlp_uuid *wssid)
 	char buf[WLP_WSS_UUID_STRSIZE];
 	int result = -ENXIO;
 
-	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
-	d_fnstart(5, dev, "wss %p, wssid %s \n", wss, buf);
+
 	mutex_lock(&wlp->nbmutex);
 	list_for_each_entry(neighbor, &wlp->neighbors, node) {
 		list_for_each_entry(wssid_e, &neighbor->wssid, node) {
 			if (!memcmp(wssid, &wssid_e->wssid, sizeof(*wssid))) {
-				d_printf(5, dev, "Found WSSID %s in neighbor "
-					 "%02x:%02x cache. \n", buf,
-					 neighbor->uwb_dev->dev_addr.data[1],
-					 neighbor->uwb_dev->dev_addr.data[0]);
 				result = wlp_enroll_neighbor(wlp, neighbor,
 							     wss, wssid);
 				if (result == 0) /* enrollment success */
@@ -279,10 +255,11 @@ int wlp_wss_enroll_discovered(struct wlp_wss *wss, struct wlp_uuid *wssid)
 		}
 	}
 out:
-	if (result == -ENXIO)
+	if (result == -ENXIO) {
+		wlp_wss_uuid_print(buf, sizeof(buf), wssid);
 		dev_err(dev, "WLP: Cannot find WSSID %s in cache. \n", buf);
+	}
 	mutex_unlock(&wlp->nbmutex);
-	d_fnend(5, dev, "wss %p, wssid %s, result %d \n", wss, buf, result);
 	return result;
 }
 
@@ -307,27 +284,22 @@ int wlp_wss_enroll(struct wlp_wss *wss, struct wlp_uuid *wssid,
 	struct uwb_dev_addr bcast = {.data = {0xff, 0xff} };
 
 	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+
 	if (wss->state != WLP_WSS_STATE_NONE) {
 		dev_err(dev, "WLP: Already enrolled in WSS %s.\n", buf);
 		result = -EEXIST;
 		goto error;
 	}
-	if (!memcmp(&bcast, devaddr, sizeof(bcast))) {
-		d_printf(5, dev, "Request to enroll in discovered WSS "
-			 "with WSSID %s \n", buf);
+	if (!memcmp(&bcast, devaddr, sizeof(bcast)))
 		result = wlp_wss_enroll_discovered(wss, wssid);
-	} else {
-		d_printf(5, dev, "Request to enroll in WSSID %s with "
-			 "registrar %02x:%02x\n", buf, devaddr->data[1],
-			 devaddr->data[0]);
+	else
 		result = wlp_wss_enroll_target(wss, wssid, devaddr);
-	}
 	if (result < 0) {
 		dev_err(dev, "WLP: Unable to enroll into WSS %s, result %d \n",
 			buf, result);
 		goto error;
 	}
-	d_printf(2, dev, "Successfully enrolled into WSS %s \n", buf);
+	dev_dbg(dev, "Successfully enrolled into WSS %s \n", buf);
 	result = wlp_wss_sysfs_add(wss, buf);
 	if (result < 0) {
 		dev_err(dev, "WLP: Unable to set up sysfs for WSS kobject.\n");
@@ -363,7 +335,6 @@ int wlp_wss_activate(struct wlp_wss *wss)
 		u8 hash; /* only include one hash */
 	} ie_data;
 
-	d_fnstart(5, dev, "Activating WSS %p. \n", wss);
 	BUG_ON(wss->state != WLP_WSS_STATE_ENROLLED);
 	wss->hash = wlp_wss_comp_wssid_hash(&wss->wssid);
 	wss->tag = wss->hash;
@@ -382,7 +353,6 @@ int wlp_wss_activate(struct wlp_wss *wss)
 	wss->state = WLP_WSS_STATE_ACTIVE;
 	result = 0;
 error_wlp_ie:
-	d_fnend(5, dev, "Activating WSS %p, result = %d \n", wss, result);
 	return result;
 }
 
@@ -405,7 +375,6 @@ int wlp_wss_enroll_activate(struct wlp_wss *wss, struct wlp_uuid *wssid,
 	int result = 0;
 	char buf[WLP_WSS_UUID_STRSIZE];
 
-	d_fnstart(5, dev, "Enrollment and activation requested. \n");
 	mutex_lock(&wss->mutex);
 	result = wlp_wss_enroll(wss, wssid, devaddr);
 	if (result < 0) {
@@ -424,7 +393,6 @@ int wlp_wss_enroll_activate(struct wlp_wss *wss, struct wlp_uuid *wssid,
 error_activate:
 error_enroll:
 	mutex_unlock(&wss->mutex);
-	d_fnend(5, dev, "Completed. result = %d \n", result);
 	return result;
 }
 
@@ -447,11 +415,9 @@ int wlp_wss_create_activate(struct wlp_wss *wss, struct wlp_uuid *wssid,
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	int result = 0;
 	char buf[WLP_WSS_UUID_STRSIZE];
-	d_fnstart(5, dev, "Request to create new WSS.\n");
+
 	result = wlp_wss_uuid_print(buf, sizeof(buf), wssid);
-	d_printf(5, dev, "Request to create WSS: WSSID=%s, name=%s, "
-		 "sec_status=%u, accepting enrollment=%u \n",
-		 buf, name, sec_status, accept);
+
 	if (!mutex_trylock(&wss->mutex)) {
 		dev_err(dev, "WLP: WLP association session in progress.\n");
 		return -EBUSY;
@@ -498,7 +464,6 @@ int wlp_wss_create_activate(struct wlp_wss *wss, struct wlp_uuid *wssid,
 	result = 0;
 out:
 	mutex_unlock(&wss->mutex);
-	d_fnend(5, dev, "Completed. result = %d \n", result);
 	return result;
 }
 
@@ -520,16 +485,12 @@ int wlp_wss_is_active(struct wlp *wlp, struct wlp_wss *wss,
 {
 	int result = 0;
 	struct device *dev = &wlp->rc->uwb_dev.dev;
-	char buf[WLP_WSS_UUID_STRSIZE];
 	DECLARE_COMPLETION_ONSTACK(completion);
 	struct wlp_session session;
 	struct sk_buff  *skb;
 	struct wlp_frame_assoc *resp;
 	struct wlp_uuid wssid;
 
-	wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
-	d_fnstart(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
-		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
 	mutex_lock(&wlp->mutex);
 	/* Send C1 association frame */
 	result = wlp_send_assoc_frame(wlp, wss, dev_addr, WLP_ASSOC_C1);
@@ -565,8 +526,6 @@ int wlp_wss_is_active(struct wlp *wlp, struct wlp_wss *wss,
 	/* Parse message in session->data: it will be either C2 or F0 */
 	skb = session.data;
 	resp = (void *) skb->data;
-	d_printf(5, dev, "Received response to C1 frame. \n");
-	d_dump(5, dev, skb->data, skb->len > 72 ? 72 : skb->len);
 	if (resp->type == WLP_ASSOC_F0) {
 		result = wlp_parse_f0(wlp, skb);
 		if (result < 0)
@@ -584,11 +543,9 @@ int wlp_wss_is_active(struct wlp *wlp, struct wlp_wss *wss,
 		result = 0;
 		goto error_resp_parse;
 	}
-	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid))) {
-		d_printf(5, dev, "WSSID in C2 frame matches local "
-			 "active WSS.\n");
+	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid)))
 		result = 1;
-	} else {
+	else {
 		dev_err(dev, "WLP: Received a C2 frame without matching "
 			"WSSID.\n");
 		result = 0;
@@ -598,8 +555,6 @@ error_resp_parse:
 out:
 	wlp->session = NULL;
 	mutex_unlock(&wlp->mutex);
-	d_fnend(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
-		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
 	return result;
 }
 
@@ -620,16 +575,8 @@ int wlp_wss_activate_connection(struct wlp *wlp, struct wlp_wss *wss,
 {
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	int result = 0;
-	char buf[WLP_WSS_UUID_STRSIZE];
-	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
-	d_fnstart(5, dev, "wlp %p, wss %p, wssid %s, tag %u, virtual "
-		  "%02x:%02x:%02x:%02x:%02x:%02x \n", wlp, wss, buf, *tag,
-		  virt_addr->data[0], virt_addr->data[1], virt_addr->data[2],
-		  virt_addr->data[3], virt_addr->data[4], virt_addr->data[5]);
 
 	if (!memcmp(wssid, &wss->wssid, sizeof(*wssid))) {
-		d_printf(5, dev, "WSSID from neighbor frame matches local "
-			 "active WSS.\n");
 		/* Update EDA cache */
 		result = wlp_eda_update_node(&wlp->eda, dev_addr, wss,
 					     (void *) virt_addr->data, *tag,
@@ -638,18 +585,9 @@ int wlp_wss_activate_connection(struct wlp *wlp, struct wlp_wss *wss,
 			dev_err(dev, "WLP: Unable to update EDA cache "
 				"with new connected neighbor information.\n");
 	} else {
-		dev_err(dev, "WLP: Neighbor does not have matching "
-			"WSSID.\n");
+		dev_err(dev, "WLP: Neighbor does not have matching WSSID.\n");
 		result = -EINVAL;
 	}
-
-	d_fnend(5, dev, "wlp %p, wss %p, wssid %s, tag %u, virtual "
-		  "%02x:%02x:%02x:%02x:%02x:%02x, result = %d \n",
-		  wlp, wss, buf, *tag,
-		  virt_addr->data[0], virt_addr->data[1], virt_addr->data[2],
-		  virt_addr->data[3], virt_addr->data[4], virt_addr->data[5],
-		  result);
-
 	return result;
 }
 
@@ -665,7 +603,6 @@ int wlp_wss_connect_neighbor(struct wlp *wlp, struct wlp_wss *wss,
 {
 	int result;
 	struct device *dev = &wlp->rc->uwb_dev.dev;
-	char buf[WLP_WSS_UUID_STRSIZE];
 	struct wlp_uuid wssid;
 	u8 tag;
 	struct uwb_mac_addr virt_addr;
@@ -674,9 +611,6 @@ int wlp_wss_connect_neighbor(struct wlp *wlp, struct wlp_wss *wss,
 	struct wlp_frame_assoc *resp;
 	struct sk_buff *skb;
 
-	wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
-	d_fnstart(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
-		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
 	mutex_lock(&wlp->mutex);
 	/* Send C3 association frame */
 	result = wlp_send_assoc_frame(wlp, wss, dev_addr, WLP_ASSOC_C3);
@@ -711,8 +645,6 @@ int wlp_wss_connect_neighbor(struct wlp *wlp, struct wlp_wss *wss,
 	/* Parse message in session->data: it will be either C4 or F0 */
 	skb = session.data;
 	resp = (void *) skb->data;
-	d_printf(5, dev, "Received response to C3 frame. \n");
-	d_dump(5, dev, skb->data, skb->len > 72 ? 72 : skb->len);
 	if (resp->type == WLP_ASSOC_F0) {
 		result = wlp_parse_f0(wlp, skb);
 		if (result < 0)
@@ -744,8 +676,6 @@ out:
 					  WLP_WSS_CONNECT_FAILED);
 	wlp->session = NULL;
 	mutex_unlock(&wlp->mutex);
-	d_fnend(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
-		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
 	return result;
 }
 
@@ -780,12 +710,8 @@ void wlp_wss_connect_send(struct work_struct *ws)
 	struct wlp_wss *wss = &wlp->wss;
 	int result;
 	struct device *dev = &wlp->rc->uwb_dev.dev;
-	char buf[WLP_WSS_UUID_STRSIZE];
 
 	mutex_lock(&wss->mutex);
-	wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
-	d_fnstart(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
-		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
 	if (wss->state < WLP_WSS_STATE_ACTIVE) {
 		if (printk_ratelimit())
 			dev_err(dev, "WLP: Attempting to connect with "
@@ -836,7 +762,6 @@ out:
 	BUG_ON(wlp->start_queue == NULL);
 	wlp->start_queue(wlp);
 	mutex_unlock(&wss->mutex);
-	d_fnend(5, dev, "wlp %p, wss %p (wssid %s)\n", wlp, wss, buf);
 }
 
 /**
@@ -855,7 +780,6 @@ int wlp_wss_prep_hdr(struct wlp *wlp, struct wlp_eda_node *eda_entry,
 	struct sk_buff *skb = _skb;
 	struct wlp_frame_std_abbrv_hdr *std_hdr;
 
-	d_fnstart(6, dev, "wlp %p \n", wlp);
 	if (eda_entry->state == WLP_WSS_CONNECTED) {
 		/* Add WLP header */
 		BUG_ON(skb_headroom(skb) < sizeof(*std_hdr));
@@ -873,7 +797,6 @@ int wlp_wss_prep_hdr(struct wlp *wlp, struct wlp_eda_node *eda_entry,
 				dev_addr->data[0]);
 		result = -EINVAL;
 	}
-	d_fnend(6, dev, "wlp %p \n", wlp);
 	return result;
 }
 
@@ -893,16 +816,9 @@ int wlp_wss_connect_prep(struct wlp *wlp, struct wlp_eda_node *eda_entry,
 {
 	int result = 0;
 	struct device *dev = &wlp->rc->uwb_dev.dev;
-	struct uwb_dev_addr *dev_addr = &eda_entry->dev_addr;
-	unsigned char *eth_addr = eda_entry->eth_addr;
 	struct sk_buff *skb = _skb;
 	struct wlp_assoc_conn_ctx *conn_ctx;
 
-	d_fnstart(5, dev, "wlp %p\n", wlp);
-	d_printf(5, dev, "To neighbor %02x:%02x with eth "
-		  "%02x:%02x:%02x:%02x:%02x:%02x\n", dev_addr->data[1],
-		  dev_addr->data[0], eth_addr[0], eth_addr[1], eth_addr[2],
-		  eth_addr[3], eth_addr[4], eth_addr[5]);
 	if (eda_entry->state == WLP_WSS_UNCONNECTED) {
 		/* We don't want any more packets while we set up connection */
 		BUG_ON(wlp->stop_queue == NULL);
@@ -929,12 +845,9 @@ int wlp_wss_connect_prep(struct wlp *wlp, struct wlp_eda_node *eda_entry,
 			 "previously. Not retrying. \n");
 		result = -ENONET;
 		goto out;
-	} else { /* eda_entry->state == WLP_WSS_CONNECTED */
-		d_printf(5, dev, "Neighbor is connected, preparing frame.\n");
+	} else /* eda_entry->state == WLP_WSS_CONNECTED */
 		result = wlp_wss_prep_hdr(wlp, eda_entry, skb);
-	}
 out:
-	d_fnend(5, dev, "wlp %p, result = %d \n", wlp, result);
 	return result;
 }
 
@@ -957,8 +870,6 @@ int wlp_wss_send_copy(struct wlp *wlp, struct wlp_eda_node *eda_entry,
 	struct sk_buff *copy;
 	struct uwb_dev_addr *dev_addr = &eda_entry->dev_addr;
 
-	d_fnstart(5, dev, "to neighbor %02x:%02x, skb (%p) \n",
-		  dev_addr->data[1], dev_addr->data[0], skb);
 	copy = skb_copy(skb, GFP_ATOMIC);
 	if (copy == NULL) {
 		if (printk_ratelimit())
@@ -988,8 +899,6 @@ int wlp_wss_send_copy(struct wlp *wlp, struct wlp_eda_node *eda_entry,
 		dev_kfree_skb_irq(copy);/*we need to free if tx fails */
 	}
 out:
-	d_fnend(5, dev, "to neighbor %02x:%02x \n", dev_addr->data[1],
-		  dev_addr->data[0]);
 	return result;
 }
 
@@ -1005,7 +914,7 @@ int wlp_wss_setup(struct net_device *net_dev, struct wlp_wss *wss)
 	struct wlp *wlp = container_of(wss, struct wlp, wss);
 	struct device *dev = &wlp->rc->uwb_dev.dev;
 	int result = 0;
-	d_fnstart(5, dev, "wss (%p) \n", wss);
+
 	mutex_lock(&wss->mutex);
 	wss->kobj.parent = &net_dev->dev.kobj;
 	if (!is_valid_ether_addr(net_dev->dev_addr)) {
@@ -1018,7 +927,6 @@ int wlp_wss_setup(struct net_device *net_dev, struct wlp_wss *wss)
 	       sizeof(wss->virtual_addr.data));
 out:
 	mutex_unlock(&wss->mutex);
-	d_fnend(5, dev, "wss (%p) \n", wss);
 	return result;
 }
 EXPORT_SYMBOL_GPL(wlp_wss_setup);
@@ -1035,8 +943,7 @@ EXPORT_SYMBOL_GPL(wlp_wss_setup);
 void wlp_wss_remove(struct wlp_wss *wss)
 {
 	struct wlp *wlp = container_of(wss, struct wlp, wss);
-	struct device *dev = &wlp->rc->uwb_dev.dev;
-	d_fnstart(5, dev, "wss (%p) \n", wss);
+
 	mutex_lock(&wss->mutex);
 	if (wss->state == WLP_WSS_STATE_ACTIVE)
 		uwb_rc_ie_rm(wlp->rc, UWB_IE_WLP);
@@ -1050,6 +957,5 @@ void wlp_wss_remove(struct wlp_wss *wss)
 	wlp_eda_release(&wlp->eda);
 	wlp_eda_init(&wlp->eda);
 	mutex_unlock(&wss->mutex);
-	d_fnend(5, dev, "wss (%p) \n", wss);
 }
 EXPORT_SYMBOL_GPL(wlp_wss_remove);