16 files changed, 422 insertions, 320 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 42bd38ac7a1..78fca1bcc54 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -69,14 +69,14 @@ static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2400pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
-		ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
-		return;
-	}
+	if (rt2x00_get_field32(reg, BBPCSR_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the data into the BBP.
@@ -88,6 +88,15 @@ static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
 
 	rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
 }
 
 static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -95,14 +104,14 @@ static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2400pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
-		ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
-		return;
-	}
+	if (rt2x00_get_field32(reg, BBPCSR_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the request into the BBP.
@@ -118,13 +127,20 @@ static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2400pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
-		ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
-		*value = 0xff;
-		return;
-	}
+	if (rt2x00_get_field32(reg, BBPCSR_BUSY))
+		goto exit_fail;
 
 	*value = rt2x00_get_field32(reg, BBPCSR_VALUE);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
+	*value = 0xff;
 }
 
 static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -136,6 +152,8 @@ static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev,
 	if (!word)
 		return;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt2x00pci_register_read(rt2x00dev, RFCSR, &reg);
 		if (!rt2x00_get_field32(reg, RFCSR_BUSY))
@@ -143,6 +161,7 @@ static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev,
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
+	mutex_unlock(&rt2x00dev->csr_mutex);
 	ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
 	return;
 
@@ -155,6 +174,8 @@ rf_write:
 
 	rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
 	rt2x00_rf_write(rt2x00dev, word, value);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 static void rt2400pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
@@ -322,7 +343,7 @@ static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * Enable beacon config
 		 */
-		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 		rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
 		rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
 		rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
@@ -367,25 +388,25 @@ static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 	rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
 	rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 10));
 	rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 	rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 	rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 20));
 	rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 	rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 	rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 55));
 	rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 	rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 	rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 110));
 	rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 
 	rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
@@ -626,36 +647,47 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 /*
  * Initialization functions.
  */
-static void rt2400pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
-				   struct queue_entry *entry)
+static bool rt2400pci_get_entry_state(struct queue_entry *entry)
 {
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u32 word;
 
-	rt2x00_desc_read(entry_priv->desc, 2, &word);
-	rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len);
-	rt2x00_desc_write(entry_priv->desc, 2, word);
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
 
-	rt2x00_desc_read(entry_priv->desc, 1, &word);
-	rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
-	rt2x00_desc_write(entry_priv->desc, 1, word);
+		return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
 
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
-	rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
-	rt2x00_desc_write(entry_priv->desc, 0, word);
+		return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+		        rt2x00_get_field32(word, TXD_W0_VALID));
+	}
 }
 
-static void rt2400pci_init_txentry(struct rt2x00_dev *rt2x00dev,
-				   struct queue_entry *entry)
+static void rt2400pci_clear_entry(struct queue_entry *entry)
 {
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u32 word;
 
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
-	rt2x00_set_field32(&word, TXD_W0_VALID, 0);
-	rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
-	rt2x00_desc_write(entry_priv->desc, 0, word);
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 2, &word);
+		rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len);
+		rt2x00_desc_write(entry_priv->desc, 2, word);
+
+		rt2x00_desc_read(entry_priv->desc, 1, &word);
+		rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
+		rt2x00_desc_write(entry_priv->desc, 1, word);
+
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+		rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+	}
 }
 
 static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
@@ -1570,8 +1602,8 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
 	.probe_hw		= rt2400pci_probe_hw,
 	.initialize		= rt2x00pci_initialize,
 	.uninitialize		= rt2x00pci_uninitialize,
-	.init_rxentry		= rt2400pci_init_rxentry,
-	.init_txentry		= rt2400pci_init_txentry,
+	.get_entry_state	= rt2400pci_get_entry_state,
+	.clear_entry		= rt2400pci_clear_entry,
 	.set_device_state	= rt2400pci_set_device_state,
 	.rfkill_poll		= rt2400pci_rfkill_poll,
 	.link_stats		= rt2400pci_link_stats,
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 928452f30c2..972b5a5c386 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -69,14 +69,14 @@ static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2500pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
-		ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
-		return;
-	}
+	if (rt2x00_get_field32(reg, BBPCSR_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the data into the BBP.
@@ -88,6 +88,15 @@ static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
 
 	rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
 }
 
 static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -95,14 +104,14 @@ static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2500pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
-		ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
-		return;
-	}
+	if (rt2x00_get_field32(reg, BBPCSR_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the request into the BBP.
@@ -118,13 +127,20 @@ static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2500pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
-		ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
-		*value = 0xff;
-		return;
-	}
+	if (rt2x00_get_field32(reg, BBPCSR_BUSY))
+		goto exit_fail;
 
 	*value = rt2x00_get_field32(reg, BBPCSR_VALUE);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
+	*value = 0xff;
 }
 
 static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -136,6 +152,8 @@ static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev,
 	if (!word)
 		return;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt2x00pci_register_read(rt2x00dev, RFCSR, &reg);
 		if (!rt2x00_get_field32(reg, RFCSR_BUSY))
@@ -143,6 +161,7 @@ static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev,
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
+	mutex_unlock(&rt2x00dev->csr_mutex);
 	ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
 	return;
 
@@ -155,6 +174,8 @@ rf_write:
 
 	rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
 	rt2x00_rf_write(rt2x00dev, word, value);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
@@ -327,7 +348,7 @@ static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * Enable beacon config
 		 */
-		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 		rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
 		rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
 		rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
@@ -373,25 +394,25 @@ static void rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 	rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
 	rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 10));
 	rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 	rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 	rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 20));
 	rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 	rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 	rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 55));
 	rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 	rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 	rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
-	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
+	rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 110));
 	rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 
 	rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
@@ -722,32 +743,43 @@ dynamic_cca_tune:
 /*
  * Initialization functions.
  */
-static void rt2500pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
-				   struct queue_entry *entry)
+static bool rt2500pci_get_entry_state(struct queue_entry *entry)
 {
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u32 word;
 
-	rt2x00_desc_read(entry_priv->desc, 1, &word);
-	rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
-	rt2x00_desc_write(entry_priv->desc, 1, word);
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
 
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
-	rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
-	rt2x00_desc_write(entry_priv->desc, 0, word);
+		return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+
+		return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+		        rt2x00_get_field32(word, TXD_W0_VALID));
+	}
 }
 
-static void rt2500pci_init_txentry(struct rt2x00_dev *rt2x00dev,
-				   struct queue_entry *entry)
+static void rt2500pci_clear_entry(struct queue_entry *entry)
 {
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u32 word;
 
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
-	rt2x00_set_field32(&word, TXD_W0_VALID, 0);
-	rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
-	rt2x00_desc_write(entry_priv->desc, 0, word);
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 1, &word);
+		rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
+		rt2x00_desc_write(entry_priv->desc, 1, word);
+
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+		rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+	}
 }
 
 static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
@@ -1871,8 +1903,8 @@ static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
 	.probe_hw		= rt2500pci_probe_hw,
 	.initialize		= rt2x00pci_initialize,
 	.uninitialize		= rt2x00pci_uninitialize,
-	.init_rxentry		= rt2500pci_init_rxentry,
-	.init_txentry		= rt2500pci_init_txentry,
+	.get_entry_state	= rt2500pci_get_entry_state,
+	.clear_entry		= rt2500pci_clear_entry,
 	.set_device_state	= rt2500pci_set_device_state,
 	.rfkill_poll		= rt2500pci_rfkill_poll,
 	.link_stats		= rt2500pci_link_stats,
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 639d5a2f84e..e6bae4ae4c4 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -47,7 +47,7 @@
  * between each attampt. When the busy bit is still set at that time,
  * the access attempt is considered to have failed,
  * and we will print an error.
- * If the usb_cache_mutex is already held then the _lock variants must
+ * If the csr_mutex is already held then the _lock variants must
  * be used instead.
  */
 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
@@ -132,7 +132,7 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 {
 	u16 reg;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
 	 * Wait until the BBP becomes ready.
@@ -151,12 +151,12 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 
 	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	return;
 
 exit_fail:
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
 }
@@ -166,7 +166,7 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 {
 	u16 reg;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
 	 * Wait until the BBP becomes ready.
@@ -194,12 +194,12 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 	rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 	*value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	return;
 
 exit_fail:
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
 	*value = 0xff;
@@ -214,7 +214,7 @@ static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 	if (!word)
 		return;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, &reg);
@@ -223,7 +223,7 @@ static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 	ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
 	return;
 
@@ -241,7 +241,7 @@ rf_write:
 	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
 	rt2x00_rf_write(rt2x00dev, word, value);
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
@@ -385,7 +385,7 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * Enable beacon config
 		 */
-		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 		rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 		rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 		rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
@@ -1777,8 +1777,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
 	.probe_hw		= rt2500usb_probe_hw,
 	.initialize		= rt2x00usb_initialize,
 	.uninitialize		= rt2x00usb_uninitialize,
-	.init_rxentry		= rt2x00usb_init_rxentry,
-	.init_txentry		= rt2x00usb_init_txentry,
+	.clear_entry		= rt2x00usb_clear_entry,
 	.set_device_state	= rt2500usb_set_device_state,
 	.link_stats		= rt2500usb_link_stats,
 	.reset_tuner		= rt2500usb_reset_tuner,
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index f85eedbbad6..fee61bee1e7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -92,6 +92,16 @@
 	DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
 
 /*
+ * Duration calculations
+ * The rate variable passed is: 100kbs.
+ * To convert from bytes to bits we multiply size with 8,
+ * then the size is multiplied with 10 to make the
+ * real rate -> rate argument correction.
+ */
+#define GET_DURATION(__size, __rate)	(((__size) * 8 * 10) / (__rate))
+#define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
+
+/*
  * Standard timing and size defines.
  * These values should follow the ieee80211 specifications.
  */
@@ -109,9 +119,9 @@
 #define DIFS			( PIFS + SLOT_TIME )
 #define SHORT_DIFS		( SHORT_PIFS + SHORT_SLOT_TIME )
 #define EIFS			( SIFS + DIFS + \
-				  (8 * (IEEE80211_HEADER + ACK_SIZE)) )
+				  GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
 #define SHORT_EIFS		( SIFS + SHORT_DIFS + \
-				  (8 * (IEEE80211_HEADER + ACK_SIZE)) )
+				  GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
 
 /*
  * Chipset identification
@@ -523,10 +533,8 @@ struct rt2x00lib_ops {
 	/*
 	 * queue initialization handlers
 	 */
-	void (*init_rxentry) (struct rt2x00_dev *rt2x00dev,
-			      struct queue_entry *entry);
-	void (*init_txentry) (struct rt2x00_dev *rt2x00dev,
-			      struct queue_entry *entry);
+	bool (*get_entry_state) (struct queue_entry *entry);
+	void (*clear_entry) (struct queue_entry *entry);
 
 	/*
 	 * Radio control handlers.
@@ -723,8 +731,7 @@ struct rt2x00_dev {
 
 	/*
 	 * This is the default TX/RX antenna setup as indicated
-	 * by the device's EEPROM. When mac80211 sets its
-	 * antenna value to 0 we should be using these values.
+	 * by the device's EEPROM.
 	 */
 	struct antenna_setup default_ant;
 
@@ -739,16 +746,15 @@ struct rt2x00_dev {
 	} csr;
 
 	/*
-	 * Mutex to protect register accesses on USB devices.
-	 * There are 2 reasons this is needed, one is to ensure
-	 * use of the csr_cache (for USB devices) by one thread
-	 * isn't corrupted by another thread trying to access it.
-	 * The other is that access to BBP and RF registers
-	 * require multiple BUS transactions and if another thread
-	 * attempted to access one of those registers at the same
-	 * time one of the writes could silently fail.
+	 * Mutex to protect register accesses.
+	 * For PCI and USB devices it protects against concurrent indirect
+	 * register access (BBP, RF, MCU) since accessing those
+	 * registers require multiple calls to the CSR registers.
+	 * For USB devices it also protects the csr_cache since that
+	 * field is used for normal CSR access and it cannot support
+	 * multiple callers simultaneously.
 	 */
-	struct mutex usb_cache_mutex;
+	struct mutex csr_mutex;
 
 	/*
 	 * Current packet filter configuration for the device.
@@ -923,23 +929,6 @@ static inline u16 rt2x00_check_rev(const struct rt2x00_chip *chipset,
 		!!(chipset->rev & 0x0000f));
 }
 
-/*
- * Duration calculations
- * The rate variable passed is: 100kbs.
- * To convert from bytes to bits we multiply size with 8,
- * then the size is multiplied with 10 to make the
- * real rate -> rate argument correction.
- */
-static inline u16 get_duration(const unsigned int size, const u8 rate)
-{
-	return ((size * 8 * 10) / rate);
-}
-
-static inline u16 get_duration_res(const unsigned int size, const u8 rate)
-{
-	return ((size * 8 * 10) % rate);
-}
-
 /**
  * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
  * @rt2x00dev: Pointer to &struct rt2x00_dev.
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 3e4eee3ab7d..7c62ce125b9 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -92,8 +92,8 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
 	erp.difs = bss_conf->use_short_slot ? SHORT_DIFS : DIFS;
 	erp.eifs = bss_conf->use_short_slot ? SHORT_EIFS : EIFS;
 
-	erp.ack_timeout = PLCP + erp.difs + get_duration(ACK_SIZE, 10);
-	erp.ack_consume_time = SIFS + PLCP + get_duration(ACK_SIZE, 10);
+	erp.ack_timeout = PLCP + erp.difs + GET_DURATION(ACK_SIZE, 10);
+	erp.ack_consume_time = SIFS + PLCP + GET_DURATION(ACK_SIZE, 10);
 
 	if (bss_conf->use_short_preamble) {
 		erp.ack_timeout += SHORT_PREAMBLE;
@@ -109,15 +109,32 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
 }
 
 void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
-			      enum antenna rx, enum antenna tx)
+			      struct antenna_setup *ant)
 {
-	struct antenna_setup ant;
-
-	ant.rx = rx;
-	ant.tx = tx;
+	/*
+	 * Failsafe: Make sure we are not sending the
+	 * ANTENNA_SW_DIVERSITY state to the driver.
+	 * If that happes fallback to hardware default,
+	 * or our own default.
+	 */
+	if (ant->rx == ANTENNA_SW_DIVERSITY) {
+		if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
+			ant->rx = ANTENNA_B;
+		else
+			ant->rx = rt2x00dev->default_ant.rx;
+	}
+	if (ant->tx == ANTENNA_SW_DIVERSITY) {
+		if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
+			ant->tx = ANTENNA_B;
+		else
+			ant->tx = rt2x00dev->default_ant.tx;
+	}
 
-	if (rx == rt2x00dev->link.ant.active.rx &&
-	    tx == rt2x00dev->link.ant.active.tx)
+	/*
+	 * Only reconfigure when something has changed.
+	 */
+	if (ant->rx == rt2x00dev->link.ant.active.rx &&
+	    ant->tx == rt2x00dev->link.ant.active.tx)
 		return;
 
 	/*
@@ -132,12 +149,12 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 	 * The latter is required since we need to recalibrate the
 	 * noise-sensitivity ratio for the new setup.
 	 */
-	rt2x00dev->ops->lib->config_ant(rt2x00dev, &ant);
+	rt2x00dev->ops->lib->config_ant(rt2x00dev, ant);
 
 	rt2x00lib_reset_link_tuner(rt2x00dev);
 	rt2x00_reset_link_ant_rssi(&rt2x00dev->link);
 
-	memcpy(&rt2x00dev->link.ant.active, &ant, sizeof(ant));
+	memcpy(&rt2x00dev->link.ant.active, ant, sizeof(*ant));
 
 	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK);
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 477a944167c..7fc1d766062 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -101,8 +101,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Initialize all data queues.
 	 */
-	rt2x00queue_init_rx(rt2x00dev);
-	rt2x00queue_init_tx(rt2x00dev);
+	rt2x00queue_init_queues(rt2x00dev);
 
 	/*
 	 * Enable radio.
@@ -176,13 +175,14 @@ void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state)
 
 static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev)
 {
-	enum antenna rx = rt2x00dev->link.ant.active.rx;
-	enum antenna tx = rt2x00dev->link.ant.active.tx;
+	struct antenna_setup ant;
 	int sample_a =
 	    rt2x00_get_link_ant_rssi_history(&rt2x00dev->link, ANTENNA_A);
 	int sample_b =
 	    rt2x00_get_link_ant_rssi_history(&rt2x00dev->link, ANTENNA_B);
 
+	memcpy(&ant, &rt2x00dev->link.ant.active, sizeof(ant));
+
 	/*
 	 * We are done sampling. Now we should evaluate the results.
 	 */
@@ -200,21 +200,22 @@ static void rt2x00lib_evaluate_antenna_sample(struct rt2x00_dev *rt2x00dev)
 		return;
 
 	if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY)
-		rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
+		ant.rx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
 
 	if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)
-		tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
+		ant.tx = (sample_a > sample_b) ? ANTENNA_A : ANTENNA_B;
 
-	rt2x00lib_config_antenna(rt2x00dev, rx, tx);
+	rt2x00lib_config_antenna(rt2x00dev, &ant);
 }
 
 static void rt2x00lib_evaluate_antenna_eval(struct rt2x00_dev *rt2x00dev)
 {
-	enum antenna rx = rt2x00dev->link.ant.active.rx;
-	enum antenna tx = rt2x00dev->link.ant.active.tx;
+	struct antenna_setup ant;
 	int rssi_curr = rt2x00_get_link_ant_rssi(&rt2x00dev->link);
 	int rssi_old = rt2x00_update_ant_rssi(&rt2x00dev->link, rssi_curr);
 
+	memcpy(&ant, &rt2x00dev->link.ant.active, sizeof(ant));
+
 	/*
 	 * Legacy driver indicates that we should swap antenna's
 	 * when the difference in RSSI is greater that 5. This
@@ -230,12 +231,12 @@ static void rt2x00lib_evaluate_antenna_eval(struct rt2x00_dev *rt2x00dev)
 	rt2x00dev->link.ant.flags |= ANTENNA_MODE_SAMPLE;
 
 	if (rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY)
-		rx = (rx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
+		ant.rx = (ant.rx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
 
 	if (rt2x00dev->link.ant.flags & ANTENNA_TX_DIVERSITY)
-		tx = (tx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
+		ant.tx = (ant.tx == ANTENNA_A) ? ANTENNA_B : ANTENNA_A;
 
-	rt2x00lib_config_antenna(rt2x00dev, rx, tx);
+	rt2x00lib_config_antenna(rt2x00dev, &ant);
 }
 
 static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev)
@@ -574,7 +575,7 @@ void rt2x00lib_txdone(struct queue_entry *entry,
 	entry->skb = NULL;
 	entry->flags = 0;
 
-	rt2x00dev->ops->lib->init_txentry(rt2x00dev, entry);
+	rt2x00dev->ops->lib->clear_entry(entry);
 
 	clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
 	rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE);
@@ -706,7 +707,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 	entry->skb = skb;
 	entry->flags = 0;
 
-	rt2x00dev->ops->lib->init_rxentry(rt2x00dev, entry);
+	rt2x00dev->ops->lib->clear_entry(entry);
 
 	rt2x00queue_index_inc(entry->queue, Q_INDEX);
 }
@@ -717,31 +718,31 @@ EXPORT_SYMBOL_GPL(rt2x00lib_rxdone);
  */
 const struct rt2x00_rate rt2x00_supported_rates[12] = {
 	{
-		.flags = DEV_RATE_CCK | DEV_RATE_BASIC,
+		.flags = DEV_RATE_CCK,
 		.bitrate = 10,
 		.ratemask = BIT(0),
 		.plcp = 0x00,
 	},
 	{
-		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE | DEV_RATE_BASIC,
+		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
 		.bitrate = 20,
 		.ratemask = BIT(1),
 		.plcp = 0x01,
 	},
 	{
-		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE | DEV_RATE_BASIC,
+		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
 		.bitrate = 55,
 		.ratemask = BIT(2),
 		.plcp = 0x02,
 	},
 	{
-		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE | DEV_RATE_BASIC,
+		.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
 		.bitrate = 110,
 		.ratemask = BIT(3),
 		.plcp = 0x03,
 	},
 	{
-		.flags = DEV_RATE_OFDM | DEV_RATE_BASIC,
+		.flags = DEV_RATE_OFDM,
 		.bitrate = 60,
 		.ratemask = BIT(4),
 		.plcp = 0x0b,
@@ -753,7 +754,7 @@ const struct rt2x00_rate rt2x00_supported_rates[12] = {
 		.plcp = 0x0f,
 	},
 	{
-		.flags = DEV_RATE_OFDM | DEV_RATE_BASIC,
+		.flags = DEV_RATE_OFDM,
 		.bitrate = 120,
 		.ratemask = BIT(6),
 		.plcp = 0x0a,
@@ -765,7 +766,7 @@ const struct rt2x00_rate rt2x00_supported_rates[12] = {
 		.plcp = 0x0e,
 	},
 	{
-		.flags = DEV_RATE_OFDM | DEV_RATE_BASIC,
+		.flags = DEV_RATE_OFDM,
 		.bitrate = 240,
 		.ratemask = BIT(8),
 		.plcp = 0x09,
@@ -1050,6 +1051,8 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 {
 	int retval = -ENOMEM;
 
+	mutex_init(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Make room for rt2x00_intf inside the per-interface
 	 * structure ieee80211_vif.
diff --git a/drivers/net/wireless/rt2x00/rt2x00leds.c b/drivers/net/wireless/rt2x00/rt2x00leds.c
index b362a1cf3f8..66c61b1eca5 100644
--- a/drivers/net/wireless/rt2x00/rt2x00leds.c
+++ b/drivers/net/wireless/rt2x00/rt2x00leds.c
@@ -72,49 +72,33 @@ void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi)
 	}
 }
 
-void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled)
+static void rt2x00led_led_simple(struct rt2x00_led *led, bool enabled)
 {
-	struct rt2x00_led *led = &rt2x00dev->led_qual;
-	unsigned int brightness;
+	unsigned int brightness = enabled ? LED_FULL : LED_OFF;
 
-	if ((led->type != LED_TYPE_ACTIVITY) || !(led->flags & LED_REGISTERED))
+	if (!(led->flags & LED_REGISTERED))
 		return;
 
-	brightness = enabled ? LED_FULL : LED_OFF;
-	if (brightness != led->led_dev.brightness) {
-		led->led_dev.brightness_set(&led->led_dev, brightness);
-		led->led_dev.brightness = brightness;
-	}
+	led->led_dev.brightness_set(&led->led_dev, brightness);
+	led->led_dev.brightness = brightness;
 }
 
-void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled)
+void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled)
 {
-	struct rt2x00_led *led = &rt2x00dev->led_assoc;
-	unsigned int brightness;
-
-	if ((led->type != LED_TYPE_ASSOC) || !(led->flags & LED_REGISTERED))
-		return;
+	if (rt2x00dev->led_qual.type == LED_TYPE_ACTIVITY)
+		rt2x00led_led_simple(&rt2x00dev->led_qual, enabled);
+}
 
-	brightness = enabled ? LED_FULL : LED_OFF;
-	if (brightness != led->led_dev.brightness) {
-		led->led_dev.brightness_set(&led->led_dev, brightness);
-		led->led_dev.brightness = brightness;
-	}
+void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled)
+{
+	if (rt2x00dev->led_assoc.type == LED_TYPE_ASSOC)
+		rt2x00led_led_simple(&rt2x00dev->led_assoc, enabled);
 }
 
 void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled)
 {
-	struct rt2x00_led *led = &rt2x00dev->led_radio;
-	unsigned int brightness;
-
-	if ((led->type != LED_TYPE_RADIO) || !(led->flags & LED_REGISTERED))
-		return;
-
-	brightness = enabled ? LED_FULL : LED_OFF;
-	if (brightness != led->led_dev.brightness) {
-		led->led_dev.brightness_set(&led->led_dev, brightness);
-		led->led_dev.brightness = brightness;
-	}
+	if (rt2x00dev->led_radio.type == LED_TYPE_ASSOC)
+		rt2x00led_led_simple(&rt2x00dev->led_radio, enabled);
 }
 
 static int rt2x00leds_register_led(struct rt2x00_dev *rt2x00dev,
@@ -125,6 +109,13 @@ static int rt2x00leds_register_led(struct rt2x00_dev *rt2x00dev,
 	int retval;
 
 	led->led_dev.name = name;
+	led->led_dev.brightness = LED_OFF;
+
+	/*
+	 * Ensure the LED is off, it might have been enabled
+	 * by the hardware when the device was powered on.
+	 */
+	led->led_dev.brightness_set(&led->led_dev, LED_OFF);
 
 	retval = led_classdev_register(device, &led->led_dev);
 	if (retval) {
@@ -199,7 +190,16 @@ exit_fail:
 static void rt2x00leds_unregister_led(struct rt2x00_led *led)
 {
 	led_classdev_unregister(&led->led_dev);
-	led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+
+	/*
+	 * This might look weird, but when we are unregistering while
+	 * suspended the led is already off, and since we haven't
+	 * fully resumed yet, access to the device might not be
+	 * possible yet.
+	 */
+	if (!(led->led_dev.flags & LED_SUSPENDED))
+		led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+
 	led->flags &= ~LED_REGISTERED;
 }
 
@@ -213,22 +213,40 @@ void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev)
 		rt2x00leds_unregister_led(&rt2x00dev->led_radio);
 }
 
+static inline void rt2x00leds_suspend_led(struct rt2x00_led *led)
+{
+	led_classdev_suspend(&led->led_dev);
+
+	/* This shouldn't be needed, but just to be safe */
+	led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+	led->led_dev.brightness = LED_OFF;
+}
+
 void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev)
 {
 	if (rt2x00dev->led_qual.flags & LED_REGISTERED)
-		led_classdev_suspend(&rt2x00dev->led_qual.led_dev);
+		rt2x00leds_suspend_led(&rt2x00dev->led_qual);
 	if (rt2x00dev->led_assoc.flags & LED_REGISTERED)
-		led_classdev_suspend(&rt2x00dev->led_assoc.led_dev);
+		rt2x00leds_suspend_led(&rt2x00dev->led_assoc);
 	if (rt2x00dev->led_radio.flags & LED_REGISTERED)
-		led_classdev_suspend(&rt2x00dev->led_radio.led_dev);
+		rt2x00leds_suspend_led(&rt2x00dev->led_radio);
+}
+
+static inline void rt2x00leds_resume_led(struct rt2x00_led *led)
+{
+	led_classdev_resume(&led->led_dev);
+
+	/* Device might have enabled the LEDS during resume */
+	led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+	led->led_dev.brightness = LED_OFF;
 }
 
 void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev)
 {
 	if (rt2x00dev->led_radio.flags & LED_REGISTERED)
-		led_classdev_resume(&rt2x00dev->led_radio.led_dev);
+		rt2x00leds_resume_led(&rt2x00dev->led_radio);
 	if (rt2x00dev->led_assoc.flags & LED_REGISTERED)
-		led_classdev_resume(&rt2x00dev->led_assoc.led_dev);
+		rt2x00leds_resume_led(&rt2x00dev->led_assoc);
 	if (rt2x00dev->led_qual.flags & LED_REGISTERED)
-		led_classdev_resume(&rt2x00dev->led_qual.led_dev);
+		rt2x00leds_resume_led(&rt2x00dev->led_qual);
 }
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index 9f214f89ba6..93997333d46 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -43,7 +43,6 @@ struct rt2x00_rate {
 #define DEV_RATE_CCK			0x0001
 #define DEV_RATE_OFDM			0x0002
 #define DEV_RATE_SHORT_PREAMBLE		0x0004
-#define DEV_RATE_BASIC			0x0008
 
 	unsigned short bitrate; /* In 100kbit/s */
 	unsigned short ratemask;
@@ -94,7 +93,7 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
 			  struct rt2x00_intf *intf,
 			  struct ieee80211_bss_conf *conf);
 void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
-			      enum antenna rx, enum antenna tx);
+			      struct antenna_setup *ant);
 void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
 		      struct ieee80211_conf *conf,
 		      const unsigned int changed_flags);
@@ -151,8 +150,16 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
  */
 void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index);
 
-void rt2x00queue_init_rx(struct rt2x00_dev *rt2x00dev);
-void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev);
+/**
+ * rt2x00queue_init_queues - Initialize all data queues
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * This function will loop through all available queues to clear all
+ * index numbers and set the queue entry to the correct initialization
+ * state.
+ */
+void rt2x00queue_init_queues(struct rt2x00_dev *rt2x00dev);
+
 int rt2x00queue_initialize(struct rt2x00_dev *rt2x00dev);
 void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev);
 int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 8fc2315c596..48636b0dd89 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -339,7 +339,6 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 	struct ieee80211_conf *conf = &hw->conf;
-	int radio_on;
 	int status;
 
 	/*
@@ -356,7 +355,6 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
 	 * some configuration parameters (e.g. channel and antenna values) can
 	 * only be set when the radio is enabled.
 	 */
-	radio_on = test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags);
 	if (conf->radio_enabled) {
 		/* For programming the values, we have to turn RX off */
 		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
@@ -372,6 +370,17 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
 		 */
 		rt2x00lib_config(rt2x00dev, conf, changed);
 
+		/*
+		 * The radio was enabled, configure the antenna to the
+		 * default settings, the link tuner will later start
+		 * continue configuring the antenna based on the software
+		 * diversity. But for non-diversity configurations, we need
+		 * to have configured the correct state now.
+		 */
+		if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED)
+			rt2x00lib_config_antenna(rt2x00dev,
+						 &rt2x00dev->default_ant);
+
 		/* Turn RX back on */
 		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
 	} else {
@@ -486,7 +495,9 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 			struct ieee80211_key_conf *key);
 	struct rt2x00lib_crypto crypto;
 
-	if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return 0;
+	else if (!test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags))
 		return -EOPNOTSUPP;
 	else if (key->keylen > 32)
 		return -ENOSPC;
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 62449da577e..e33bd0f150c 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -36,20 +36,17 @@
  */
 int rt2x00pci_write_tx_data(struct queue_entry *entry)
 {
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	struct skb_frame_desc *skbdesc;
-	u32 word;
-
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
 
 	/*
 	 * This should not happen, we already checked the entry
 	 * was ours. When the hardware disagrees there has been
 	 * a queue corruption!
 	 */
-	if (unlikely(rt2x00_get_field32(word, TXD_ENTRY_OWNER_NIC) ||
-		     rt2x00_get_field32(word, TXD_ENTRY_VALID))) {
-		ERROR(entry->queue->rt2x00dev,
+	if (unlikely(rt2x00dev->ops->lib->get_entry_state(entry))) {
+		ERROR(rt2x00dev,
 		      "Corrupt queue %d, accessing entry which is not ours.\n"
 		      "Please file bug report to %s.\n",
 		      entry->queue->qid, DRV_PROJECT);
@@ -76,14 +73,12 @@ void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
 	struct queue_entry *entry;
 	struct queue_entry_priv_pci *entry_priv;
 	struct skb_frame_desc *skbdesc;
-	u32 word;
 
 	while (1) {
 		entry = rt2x00queue_get_entry(queue, Q_INDEX);
 		entry_priv = entry->priv_data;
-		rt2x00_desc_read(entry_priv->desc, 0, &word);
 
-		if (rt2x00_get_field32(word, RXD_ENTRY_OWNER_NIC))
+		if (rt2x00dev->ops->lib->get_entry_state(entry))
 			break;
 
 		/*
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index a83f45f784f..96a2082a353 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -44,17 +44,6 @@
 #define REGISTER_BUSY_DELAY	100
 
 /*
- * Descriptor availability flags.
- * All PCI device descriptors have these 2 flags
- * with the exact same definition.
- * By storing them here we can use them inside rt2x00pci
- * for some simple entry availability checking.
- */
-#define TXD_ENTRY_OWNER_NIC	FIELD32(0x00000001)
-#define TXD_ENTRY_VALID		FIELD32(0x00000002)
-#define RXD_ENTRY_OWNER_NIC	FIELD32(0x00000001)
-
-/*
  * Register access.
  */
 static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index e9f4261054b..d7752dbd202 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -319,8 +319,8 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
 		/*
 		 * Convert length to microseconds.
 		 */
-		residual = get_duration_res(data_length, hwrate->bitrate);
-		duration = get_duration(data_length, hwrate->bitrate);
+		residual = GET_DURATION_RES(data_length, hwrate->bitrate);
+		duration = GET_DURATION(data_length, hwrate->bitrate);
 
 		if (residual != 0) {
 			duration++;
@@ -589,40 +589,18 @@ static void rt2x00queue_reset(struct data_queue *queue)
 	spin_unlock_irqrestore(&queue->lock, irqflags);
 }
 
-void rt2x00queue_init_rx(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue = rt2x00dev->rx;
-	unsigned int i;
-
-	rt2x00queue_reset(queue);
-
-	if (!rt2x00dev->ops->lib->init_rxentry)
-		return;
-
-	for (i = 0; i < queue->limit; i++) {
-		queue->entries[i].flags = 0;
-
-		rt2x00dev->ops->lib->init_rxentry(rt2x00dev,
-						  &queue->entries[i]);
-	}
-}
-
-void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev)
+void rt2x00queue_init_queues(struct rt2x00_dev *rt2x00dev)
 {
 	struct data_queue *queue;
 	unsigned int i;
 
-	txall_queue_for_each(rt2x00dev, queue) {
+	queue_for_each(rt2x00dev, queue) {
 		rt2x00queue_reset(queue);
 
-		if (!rt2x00dev->ops->lib->init_txentry)
-			continue;
-
 		for (i = 0; i < queue->limit; i++) {
 			queue->entries[i].flags = 0;
 
-			rt2x00dev->ops->lib->init_txentry(rt2x00dev,
-							  &queue->entries[i]);
+			rt2x00dev->ops->lib->clear_entry(&queue->entries[i]);
 		}
 	}
 }
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index b73a7e0aeed..c507b0d9409 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -79,7 +79,7 @@ int rt2x00usb_vendor_req_buff_lock(struct rt2x00_dev *rt2x00dev,
 {
 	int status;
 
-	BUG_ON(!mutex_is_locked(&rt2x00dev->usb_cache_mutex));
+	BUG_ON(!mutex_is_locked(&rt2x00dev->csr_mutex));
 
 	/*
 	 * Check for Cache availability.
@@ -110,13 +110,13 @@ int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev,
 {
 	int status;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	status = rt2x00usb_vendor_req_buff_lock(rt2x00dev, request,
 						requesttype, offset, buffer,
 						buffer_length, timeout);
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	return status;
 }
@@ -132,7 +132,7 @@ int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev,
 	unsigned char *tb;
 	u16 off, len, bsize;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	tb  = (char *)buffer;
 	off = offset;
@@ -148,7 +148,7 @@ int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev,
 		off += bsize;
 	}
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	return status;
 }
@@ -351,28 +351,25 @@ EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio);
 /*
  * Device initialization handlers.
  */
-void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev,
-			    struct queue_entry *entry)
+void rt2x00usb_clear_entry(struct queue_entry *entry)
 {
-	struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
+	struct usb_device *usb_dev =
+	    to_usb_device_intf(entry->queue->rt2x00dev->dev);
 	struct queue_entry_priv_usb *entry_priv = entry->priv_data;
 
-	usb_fill_bulk_urb(entry_priv->urb, usb_dev,
-			  usb_rcvbulkpipe(usb_dev, 1),
-			  entry->skb->data, entry->skb->len,
-			  rt2x00usb_interrupt_rxdone, entry);
+	if (entry->queue->qid == QID_RX) {
+		usb_fill_bulk_urb(entry_priv->urb, usb_dev,
+				usb_rcvbulkpipe(usb_dev, 1),
+				entry->skb->data, entry->skb->len,
+				rt2x00usb_interrupt_rxdone, entry);
 
-	set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
-	usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
-}
-EXPORT_SYMBOL_GPL(rt2x00usb_init_rxentry);
-
-void rt2x00usb_init_txentry(struct rt2x00_dev *rt2x00dev,
-			    struct queue_entry *entry)
-{
-	entry->flags = 0;
+		set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+		usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
+	} else {
+		entry->flags = 0;
+	}
 }
-EXPORT_SYMBOL_GPL(rt2x00usb_init_txentry);
+EXPORT_SYMBOL_GPL(rt2x00usb_clear_entry);
 
 static int rt2x00usb_alloc_urb(struct rt2x00_dev *rt2x00dev,
 			       struct data_queue *queue)
@@ -534,7 +531,6 @@ int rt2x00usb_probe(struct usb_interface *usb_intf,
 	rt2x00dev->dev = &usb_intf->dev;
 	rt2x00dev->ops = ops;
 	rt2x00dev->hw = hw;
-	mutex_init(&rt2x00dev->usb_cache_mutex);
 
 	rt2x00dev->usb_maxpacket =
 	    usb_maxpacket(usb_dev, usb_sndbulkpipe(usb_dev, 1), 1);
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 3b4a67417f9..4104f0e8fa4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -286,10 +286,7 @@ void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 /*
  * Device initialization handlers.
  */
-void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev,
-			    struct queue_entry *entry);
-void rt2x00usb_init_txentry(struct rt2x00_dev *rt2x00dev,
-			    struct queue_entry *entry);
+void rt2x00usb_clear_entry(struct queue_entry *entry);
 int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev);
 void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev);
 
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 3f272793412..89ac34fbadf 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -75,14 +75,14 @@ static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt61pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
-		ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
-		return;
-	}
+	if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the data into the BBP.
@@ -94,6 +94,14 @@ static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
 
 	rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
 }
 
 static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -101,14 +109,14 @@ static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	/*
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt61pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
-		ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
-		return;
-	}
+	if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the request into the BBP.
@@ -124,13 +132,19 @@ static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev,
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt61pci_bbp_check(rt2x00dev);
-	if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
-		ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
-		*value = 0xff;
-		return;
-	}
+	if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
+		goto exit_fail;
 
 	*value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
+	*value = 0xff;
 }
 
 static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -142,6 +156,8 @@ static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev,
 	if (!word)
 		return;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt2x00pci_register_read(rt2x00dev, PHY_CSR4, &reg);
 		if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
@@ -149,6 +165,7 @@ static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev,
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
+	mutex_unlock(&rt2x00dev->csr_mutex);
 	ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
 	return;
 
@@ -161,6 +178,8 @@ rf_write:
 
 	rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg);
 	rt2x00_rf_write(rt2x00dev, word, value);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 #ifdef CONFIG_RT2X00_LIB_LEDS
@@ -175,14 +194,12 @@ static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
+	mutex_lock(&rt2x00dev->csr_mutex);
+
 	rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CSR, &reg);
 
-	if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER)) {
-		ERROR(rt2x00dev, "mcu request error. "
-		      "Request 0x%02x failed for token 0x%02x.\n",
-		      command, token);
-		return;
-	}
+	if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER))
+		goto exit_fail;
 
 	rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
 	rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
@@ -194,6 +211,17 @@ static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
 	rt2x00_set_field32(&reg, HOST_CMD_CSR_INTERRUPT_MCU, 1);
 	rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->csr_mutex);
+
+	ERROR(rt2x00dev,
+	      "mcu request error. Request 0x%02x failed for token 0x%02x.\n",
+	      command, token);
 }
 #endif /* CONFIG_RT2X00_LIB_LEDS */
 
@@ -1261,33 +1289,44 @@ static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data,
 /*
  * Initialization functions.
  */
-static void rt61pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
-				 struct queue_entry *entry)
+static bool rt61pci_get_entry_state(struct queue_entry *entry)
 {
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u32 word;
 
-	rt2x00_desc_read(entry_priv->desc, 5, &word);
-	rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
-			   skbdesc->skb_dma);
-	rt2x00_desc_write(entry_priv->desc, 5, word);
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
 
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
-	rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
-	rt2x00_desc_write(entry_priv->desc, 0, word);
+		return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+
+		return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
+		        rt2x00_get_field32(word, TXD_W0_VALID));
+	}
 }
 
-static void rt61pci_init_txentry(struct rt2x00_dev *rt2x00dev,
-				 struct queue_entry *entry)
+static void rt61pci_clear_entry(struct queue_entry *entry)
 {
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u32 word;
 
-	rt2x00_desc_read(entry_priv->desc, 0, &word);
-	rt2x00_set_field32(&word, TXD_W0_VALID, 0);
-	rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
-	rt2x00_desc_write(entry_priv->desc, 0, word);
+	if (entry->queue->qid == QID_RX) {
+		rt2x00_desc_read(entry_priv->desc, 5, &word);
+		rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
+				   skbdesc->skb_dma);
+		rt2x00_desc_write(entry_priv->desc, 5, word);
+
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+	} else {
+		rt2x00_desc_read(entry_priv->desc, 0, &word);
+		rt2x00_set_field32(&word, TXD_W0_VALID, 0);
+		rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
+		rt2x00_desc_write(entry_priv->desc, 0, word);
+	}
 }
 
 static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev)
@@ -2722,8 +2761,8 @@ static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
 	.load_firmware		= rt61pci_load_firmware,
 	.initialize		= rt2x00pci_initialize,
 	.uninitialize		= rt2x00pci_uninitialize,
-	.init_rxentry		= rt61pci_init_rxentry,
-	.init_txentry		= rt61pci_init_txentry,
+	.get_entry_state	= rt61pci_get_entry_state,
+	.clear_entry		= rt61pci_clear_entry,
 	.set_device_state	= rt61pci_set_device_state,
 	.rfkill_poll		= rt61pci_rfkill_poll,
 	.link_stats		= rt61pci_link_stats,
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 767e3c98184..d1a63e0017d 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -55,7 +55,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  * between each attampt. When the busy bit is still set at that time,
  * the access attempt is considered to have failed,
  * and we will print an error.
- * The _lock versions must be used if you already hold the usb_cache_mutex
+ * The _lock versions must be used if you already hold the csr_mutex
  */
 static inline void rt73usb_register_read(struct rt2x00_dev *rt2x00dev,
 					 const unsigned int offset, u32 *value)
@@ -135,7 +135,7 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
 	 * Wait until the BBP becomes ready.
@@ -154,12 +154,12 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
 
 	rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	return;
 
 exit_fail:
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
 }
@@ -169,7 +169,7 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
 	 * Wait until the BBP becomes ready.
@@ -196,12 +196,12 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 		goto exit_fail;
 
 	*value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	return;
 
 exit_fail:
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 
 	ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
 	*value = 0xff;
@@ -216,7 +216,7 @@ static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
 	if (!word)
 		return;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt73usb_register_read_lock(rt2x00dev, PHY_CSR4, &reg);
@@ -225,7 +225,7 @@ static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 	ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
 	return;
 
@@ -245,7 +245,8 @@ rf_write:
 
 	rt73usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
 	rt2x00_rf_write(rt2x00dev, word, value);
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
@@ -2313,8 +2314,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
 	.load_firmware		= rt73usb_load_firmware,
 	.initialize		= rt2x00usb_initialize,
 	.uninitialize		= rt2x00usb_uninitialize,
-	.init_rxentry		= rt2x00usb_init_rxentry,
-	.init_txentry		= rt2x00usb_init_txentry,
+	.clear_entry		= rt2x00usb_clear_entry,
 	.set_device_state	= rt73usb_set_device_state,
 	.link_stats		= rt73usb_link_stats,
 	.reset_tuner		= rt73usb_reset_tuner,