Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:

	drivers/net/cpmac.c
	net/mac80211/mlme.c

64 files changed, 905 insertions, 624 deletions

diff --git a/drivers/atm/fore200e.h b/drivers/atm/fore200e.h
index 183841cc8fdf..8dd4aa76c3bd 100644
--- a/drivers/atm/fore200e.h
+++ b/drivers/atm/fore200e.h
@@ -1,4 +1,3 @@
-/* $Id: fore200e.h,v 1.4 2000/04/14 10:10:34 davem Exp $ */
 #ifndef _FORE200E_H
 #define _FORE200E_H
 
diff --git a/drivers/atm/fore200e_mkfirm.c b/drivers/atm/fore200e_mkfirm.c
index 2ebe1a1e6f8b..520e14b488ff 100644
--- a/drivers/atm/fore200e_mkfirm.c
+++ b/drivers/atm/fore200e_mkfirm.c
@@ -1,6 +1,4 @@
 /*
-  $Id: fore200e_mkfirm.c,v 1.1 2000/02/21 16:04:32 davem Exp $
-
   mkfirm.c: generates a C readable file from a binary firmware image
 
   Christophe Lizzi (lizzi@{csti.fr, cnam.fr}), June 1999.
diff --git a/drivers/atm/he.h b/drivers/atm/he.h
index 1dc277547a73..fe6cd15a78a4 100644
--- a/drivers/atm/he.h
+++ b/drivers/atm/he.h
@@ -1,5 +1,3 @@
-/* $Id: he.h,v 1.4 2003/05/06 22:48:00 chas Exp $ */
-
 /*
 
   he.h
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 28d77b5195de..3a504e94a4d9 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -1,8 +1,4 @@
 /******************************************************************* 
- * ident "$Id: idt77252.c,v 1.2 2001/11/11 08:13:54 ecd Exp $"
- *
- * $Author: ecd $
- * $Date: 2001/11/11 08:13:54 $
  *
  * Copyright (c) 2000 ATecoM GmbH 
  *
@@ -29,9 +25,6 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  *******************************************************************/
-static char const rcsid[] =
-"$Id: idt77252.c,v 1.2 2001/11/11 08:13:54 ecd Exp $";
-
 
 #include <linux/module.h>
 #include <linux/pci.h>
diff --git a/drivers/atm/idt77252.h b/drivers/atm/idt77252.h
index 6f2b4a5875fb..e83eaf120da0 100644
--- a/drivers/atm/idt77252.h
+++ b/drivers/atm/idt77252.h
@@ -1,8 +1,4 @@
 /******************************************************************* 
- * ident "$Id: idt77252.h,v 1.2 2001/11/11 08:13:54 ecd Exp $"
- *
- * $Author: ecd $
- * $Date: 2001/11/11 08:13:54 $
  *
  * Copyright (c) 2000 ATecoM GmbH 
  *
diff --git a/drivers/atm/nicstarmac.copyright b/drivers/atm/nicstarmac.copyright
index 2e15b39fac4f..180531a83c62 100644
--- a/drivers/atm/nicstarmac.copyright
+++ b/drivers/atm/nicstarmac.copyright
@@ -13,7 +13,7 @@
  *
  *   Modified to work with the IDT7721 nicstar -- AAL5 (tested) only.
  *
- * R. D. Rechenmacher <ron@fnal.gov>, Aug. 6, 1997 $Revision: 1.1 $ $Date: 1999/08/20 11:00:11 $
+ * R. D. Rechenmacher <ron@fnal.gov>, Aug. 6, 1997
  *
  * Linux driver for the IDT77201 NICStAR PCI ATM controller.
  * PHY component is expected to be 155 Mbps S/UNI-Lite or IDT 77155;
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index e6c545fe5f58..fe6d84105e55 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -1063,7 +1063,6 @@ el3_rx(struct net_device *dev)
 			struct sk_buff *skb;
 
 			skb = dev_alloc_skb(pkt_len+5);
-			dev->stats.rx_bytes += pkt_len;
 			if (el3_debug > 4)
 				printk("Receiving packet size %d status %4.4x.\n",
 					   pkt_len, rx_status);
@@ -1078,6 +1077,7 @@ el3_rx(struct net_device *dev)
 				skb->protocol = eth_type_trans(skb,dev);
 				netif_rx(skb);
 				dev->last_rx = jiffies;
+				dev->stats.rx_bytes += pkt_len;
 				dev->stats.rx_packets++;
 				continue;
 			}
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index 3634b5fd7919..7023d77bf380 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -1239,12 +1239,7 @@ static int au1000_rx(struct net_device *dev)
  */
 static irqreturn_t au1000_interrupt(int irq, void *dev_id)
 {
-	struct net_device *dev = (struct net_device *) dev_id;
-
-	if (dev == NULL) {
-		printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name);
-		return IRQ_RETVAL(1);
-	}
+	struct net_device *dev = dev_id;
 
 	/* Handle RX interrupts first to minimize chance of overrun */
 
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 89c0018132ec..41443435ab1c 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -22,7 +22,6 @@
 #include <linux/crc32.h>
 #include <linux/device.h>
 #include <linux/spinlock.h>
-#include <linux/ethtool.h>
 #include <linux/mii.h>
 #include <linux/phy.h>
 #include <linux/netdevice.h>
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 93e13636f8dd..83768df27806 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -142,8 +142,8 @@
 
 #define DRV_MODULE_NAME		"cassini"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"1.5"
-#define DRV_MODULE_RELDATE	"4 Jan 2008"
+#define DRV_MODULE_VERSION	"1.6"
+#define DRV_MODULE_RELDATE	"21 May 2008"
 
 #define CAS_DEF_MSG_ENABLE	  \
 	(NETIF_MSG_DRV		| \
@@ -2136,9 +2136,12 @@ end_copy_pkt:
 		if (addr)
 			cas_page_unmap(addr);
 	}
-	skb->csum = csum_unfold(~csum);
-	skb->ip_summed = CHECKSUM_COMPLETE;
 	skb->protocol = eth_type_trans(skb, cp->dev);
+	if (skb->protocol == htons(ETH_P_IP)) {
+		skb->csum = csum_unfold(~csum);
+		skb->ip_summed = CHECKSUM_COMPLETE;
+	} else
+		skb->ip_summed = CHECKSUM_NONE;
 	return len;
 }
 
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index ae07100bb935..7f3f62e1b113 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -38,6 +38,7 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <asm/gpio.h>
+#include <asm/atomic.h>
 
 MODULE_AUTHOR("Eugene Konev <ejka@imfi.kspu.ru>");
 MODULE_DESCRIPTION("TI AR7 ethernet driver (CPMAC)");
@@ -187,6 +188,7 @@ struct cpmac_desc {
 #define CPMAC_EOQ			0x1000
 	struct sk_buff *skb;
 	struct cpmac_desc *next;
+	struct cpmac_desc *prev;
 	dma_addr_t mapping;
 	dma_addr_t data_mapping;
 };
@@ -208,6 +210,7 @@ struct cpmac_priv {
 	struct work_struct reset_work;
 	struct platform_device *pdev;
 	struct napi_struct napi;
+	atomic_t reset_pending;
 };
 
 static irqreturn_t cpmac_irq(int, void *);
@@ -241,6 +244,16 @@ static void cpmac_dump_desc(struct net_device *dev, struct cpmac_desc *desc)
 	printk("\n");
 }
 
+static void cpmac_dump_all_desc(struct net_device *dev)
+{
+	struct cpmac_priv *priv = netdev_priv(dev);
+	struct cpmac_desc *dump = priv->rx_head;
+	do {
+		cpmac_dump_desc(dev, dump);
+		dump = dump->next;
+	} while (dump != priv->rx_head);
+}
+
 static void cpmac_dump_skb(struct net_device *dev, struct sk_buff *skb)
 {
 	int i;
@@ -412,21 +425,42 @@ static struct sk_buff *cpmac_rx_one(struct cpmac_priv *priv,
 static int cpmac_poll(struct napi_struct *napi, int budget)
 {
 	struct sk_buff *skb;
-	struct cpmac_desc *desc;
-	int received = 0;
+	struct cpmac_desc *desc, *restart;
 	struct cpmac_priv *priv = container_of(napi, struct cpmac_priv, napi);
+	int received = 0, processed = 0;
 
 	spin_lock(&priv->rx_lock);
 	if (unlikely(!priv->rx_head)) {
 		if (netif_msg_rx_err(priv) && net_ratelimit())
 			printk(KERN_WARNING "%s: rx: polling, but no queue\n",
 			       priv->dev->name);
+		spin_unlock(&priv->rx_lock);
 		netif_rx_complete(priv->dev, napi);
 		return 0;
 	}
 
 	desc = priv->rx_head;
+	restart = NULL;
 	while (((desc->dataflags & CPMAC_OWN) == 0) && (received < budget)) {
+		processed++;
+
+		if ((desc->dataflags & CPMAC_EOQ) != 0) {
+			/* The last update to eoq->hw_next didn't happen
+			* soon enough, and the receiver stopped here.
+			*Remember this descriptor so we can restart
+			* the receiver after freeing some space.
+			*/
+			if (unlikely(restart)) {
+				if (netif_msg_rx_err(priv))
+					printk(KERN_ERR "%s: poll found a"
+						" duplicate EOQ: %p and %p\n",
+						priv->dev->name, restart, desc);
+				goto fatal_error;
+			}
+
+			restart = desc->next;
+		}
+
 		skb = cpmac_rx_one(priv, desc);
 		if (likely(skb)) {
 			netif_receive_skb(skb);
@@ -435,19 +469,90 @@ static int cpmac_poll(struct napi_struct *napi, int budget)
 		desc = desc->next;
 	}
 
+	if (desc != priv->rx_head) {
+		/* We freed some buffers, but not the whole ring,
+		 * add what we did free to the rx list */
+		desc->prev->hw_next = (u32)0;
+		priv->rx_head->prev->hw_next = priv->rx_head->mapping;
+	}
+
+	/* Optimization: If we did not actually process an EOQ (perhaps because
+	 * of quota limits), check to see if the tail of the queue has EOQ set.
+	* We should immediately restart in that case so that the receiver can
+	* restart and run in parallel with more packet processing.
+	* This lets us handle slightly larger bursts before running
+	* out of ring space (assuming dev->weight < ring_size) */
+
+	if (!restart &&
+	     (priv->rx_head->prev->dataflags & (CPMAC_OWN|CPMAC_EOQ))
+		    == CPMAC_EOQ &&
+	     (priv->rx_head->dataflags & CPMAC_OWN) != 0) {
+		/* reset EOQ so the poll loop (above) doesn't try to
+		* restart this when it eventually gets to this descriptor.
+		*/
+		priv->rx_head->prev->dataflags &= ~CPMAC_EOQ;
+		restart = priv->rx_head;
+	}
+
+	if (restart) {
+		priv->dev->stats.rx_errors++;
+		priv->dev->stats.rx_fifo_errors++;
+		if (netif_msg_rx_err(priv) && net_ratelimit())
+			printk(KERN_WARNING "%s: rx dma ring overrun\n",
+			       priv->dev->name);
+
+		if (unlikely((restart->dataflags & CPMAC_OWN) == 0)) {
+			if (netif_msg_drv(priv))
+				printk(KERN_ERR "%s: cpmac_poll is trying to "
+					"restart rx from a descriptor that's "
+					"not free: %p\n",
+					priv->dev->name, restart);
+				goto fatal_error;
+		}
+
+		cpmac_write(priv->regs, CPMAC_RX_PTR(0), restart->mapping);
+	}
+
 	priv->rx_head = desc;
 	spin_unlock(&priv->rx_lock);
 	if (unlikely(netif_msg_rx_status(priv)))
 		printk(KERN_DEBUG "%s: poll processed %d packets\n",
 		       priv->dev->name, received);
-	if (desc->dataflags & CPMAC_OWN) {
+	if (processed == 0) {
+		/* we ran out of packets to read,
+		 * revert to interrupt-driven mode */
 		netif_rx_complete(priv->dev, napi);
-		cpmac_write(priv->regs, CPMAC_RX_PTR(0), (u32)desc->mapping);
 		cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1);
 		return 0;
 	}
 
 	return 1;
+
+fatal_error:
+	/* Something went horribly wrong.
+	 * Reset hardware to try to recover rather than wedging. */
+
+	if (netif_msg_drv(priv)) {
+		printk(KERN_ERR "%s: cpmac_poll is confused. "
+				"Resetting hardware\n", priv->dev->name);
+		cpmac_dump_all_desc(priv->dev);
+		printk(KERN_DEBUG "%s: RX_PTR(0)=0x%08x RX_ACK(0)=0x%08x\n",
+			priv->dev->name,
+			cpmac_read(priv->regs, CPMAC_RX_PTR(0)),
+			cpmac_read(priv->regs, CPMAC_RX_ACK(0)));
+	}
+
+	spin_unlock(&priv->rx_lock);
+	netif_rx_complete(priv->dev, napi);
+	netif_stop_queue(priv->dev);
+	napi_disable(&priv->napi);
+
+	atomic_inc(&priv->reset_pending);
+	cpmac_hw_stop(priv->dev);
+	if (!schedule_work(&priv->reset_work))
+		atomic_dec(&priv->reset_pending);
+	return 0;
+
 }
 
 static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -456,6 +561,9 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct cpmac_desc *desc;
 	struct cpmac_priv *priv = netdev_priv(dev);
 
+	if (unlikely(atomic_read(&priv->reset_pending)))
+		return NETDEV_TX_BUSY;
+
 	if (unlikely(skb_padto(skb, ETH_ZLEN)))
 		return NETDEV_TX_OK;
 
@@ -621,8 +729,10 @@ static void cpmac_clear_rx(struct net_device *dev)
 			desc->dataflags = CPMAC_OWN;
 			dev->stats.rx_dropped++;
 		}
+		desc->hw_next = desc->next->mapping;
 		desc = desc->next;
 	}
+	priv->rx_head->prev->hw_next = 0;
 }
 
 static void cpmac_clear_tx(struct net_device *dev)
@@ -635,14 +745,14 @@ static void cpmac_clear_tx(struct net_device *dev)
 		priv->desc_ring[i].dataflags = 0;
 		if (priv->desc_ring[i].skb) {
 			dev_kfree_skb_any(priv->desc_ring[i].skb);
-			if (netif_subqueue_stopped(dev, i))
-			    netif_wake_subqueue(dev, i);
+			priv->desc_ring[i].skb = NULL;
 		}
 	}
 }
 
 static void cpmac_hw_error(struct work_struct *work)
 {
+	int i;
 	struct cpmac_priv *priv =
 		container_of(work, struct cpmac_priv, reset_work);
 
@@ -651,8 +761,48 @@ static void cpmac_hw_error(struct work_struct *work)
 	spin_unlock(&priv->rx_lock);
 	cpmac_clear_tx(priv->dev);
 	cpmac_hw_start(priv->dev);
-	napi_enable(&priv->napi);
-	netif_start_queue(priv->dev);
+	barrier();
+	atomic_dec(&priv->reset_pending);
+
+	for (i = 0; i < CPMAC_QUEUES; i++)
+		netif_wake_subqueue(priv->dev, i);
+	netif_wake_queue(priv->dev);
+	cpmac_write(priv->regs, CPMAC_MAC_INT_ENABLE, 3);
+}
+
+static void cpmac_check_status(struct net_device *dev)
+{
+	struct cpmac_priv *priv = netdev_priv(dev);
+
+	u32 macstatus = cpmac_read(priv->regs, CPMAC_MAC_STATUS);
+	int rx_channel = (macstatus >> 8) & 7;
+	int rx_code = (macstatus >> 12) & 15;
+	int tx_channel = (macstatus >> 16) & 7;
+	int tx_code = (macstatus >> 20) & 15;
+
+	if (rx_code || tx_code) {
+		if (netif_msg_drv(priv) && net_ratelimit()) {
+			/* Can't find any documentation on what these
+			 *error codes actually are. So just log them and hope..
+			 */
+			if (rx_code)
+				printk(KERN_WARNING "%s: host error %d on rx "
+				     "channel %d (macstatus %08x), resetting\n",
+				     dev->name, rx_code, rx_channel, macstatus);
+			if (tx_code)
+				printk(KERN_WARNING "%s: host error %d on tx "
+				     "channel %d (macstatus %08x), resetting\n",
+				     dev->name, tx_code, tx_channel, macstatus);
+		}
+
+		netif_stop_queue(dev);
+		cpmac_hw_stop(dev);
+		if (schedule_work(&priv->reset_work))
+			atomic_inc(&priv->reset_pending);
+		if (unlikely(netif_msg_hw(priv)))
+			cpmac_dump_regs(dev);
+	}
+	cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff);
 }
 
 static irqreturn_t cpmac_irq(int irq, void *dev_id)
@@ -683,49 +833,32 @@ static irqreturn_t cpmac_irq(int irq, void *dev_id)
 
 	cpmac_write(priv->regs, CPMAC_MAC_EOI_VECTOR, 0);
 
-	if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS))) {
-		if (netif_msg_drv(priv) && net_ratelimit())
-			printk(KERN_ERR "%s: hw error, resetting...\n",
-			       dev->name);
-		netif_stop_queue(dev);
-		napi_disable(&priv->napi);
-		cpmac_hw_stop(dev);
-		schedule_work(&priv->reset_work);
-		if (unlikely(netif_msg_hw(priv)))
-			cpmac_dump_regs(dev);
-	}
+	if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS)))
+		cpmac_check_status(dev);
 
 	return IRQ_HANDLED;
 }
 
 static void cpmac_tx_timeout(struct net_device *dev)
 {
-	struct cpmac_priv *priv = netdev_priv(dev);
 	int i;
+	struct cpmac_priv *priv = netdev_priv(dev);
 
 	spin_lock(&priv->lock);
 	dev->stats.tx_errors++;
 	spin_unlock(&priv->lock);
 	if (netif_msg_tx_err(priv) && net_ratelimit())
 		printk(KERN_WARNING "%s: transmit timeout\n", dev->name);
-	/*
-	 * FIXME: waking up random queue is not the best thing to
-	 * do... on the other hand why we got here at all?
-	 */
-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+
+	atomic_inc(&priv->reset_pending);
+	barrier();
+	cpmac_clear_tx(dev);
+	barrier();
+	atomic_dec(&priv->reset_pending);
+
+	netif_wake_queue(priv->dev);
 	for (i = 0; i < CPMAC_QUEUES; i++)
-		if (priv->desc_ring[i].skb) {
-			priv->desc_ring[i].dataflags = 0;
-			dev_kfree_skb_any(priv->desc_ring[i].skb);
-			netif_wake_subqueue(dev, i);
-			break;
-		}
-#else
-	priv->desc_ring[0].dataflags = 0;
-	if (priv->desc_ring[0].skb)
-		dev_kfree_skb_any(priv->desc_ring[0].skb);
-	netif_wake_queue(dev);
-#endif
+		netif_wake_subqueue(dev, i);
 }
 
 static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -901,9 +1034,12 @@ static int cpmac_open(struct net_device *dev)
 		desc->buflen = CPMAC_SKB_SIZE;
 		desc->dataflags = CPMAC_OWN;
 		desc->next = &priv->rx_head[(i + 1) % priv->ring_size];
+		desc->next->prev = desc;
 		desc->hw_next = (u32)desc->next->mapping;
 	}
 
+	priv->rx_head->prev->hw_next = (u32)0;
+
 	if ((res = request_irq(dev->irq, cpmac_irq, IRQF_SHARED,
 			       dev->name, dev))) {
 		if (netif_msg_drv(priv))
@@ -912,6 +1048,7 @@ static int cpmac_open(struct net_device *dev)
 		goto fail_irq;
 	}
 
+	atomic_set(&priv->reset_pending, 0);
 	INIT_WORK(&priv->reset_work, cpmac_hw_error);
 	cpmac_hw_start(dev);
 
@@ -1007,21 +1144,10 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
 
 	if (phy_id == PHY_MAX_ADDR) {
 		if (external_switch || dumb_switch) {
-			struct fixed_phy_status status = {};
-
-			/*
-			 * FIXME: this should be in the platform code!
-			 * Since there is not platform code at all (that is,
-			 * no mainline users of that driver), place it here
-			 * for now.
-			 */
-			phy_id = 0;
-			status.link = 1;
-			status.duplex = 1;
-			status.speed = 100;
-			fixed_phy_add(PHY_POLL, phy_id, &status);
+			mdio_bus_id = 0; /* fixed phys bus */
+			phy_id = pdev->id;
 		} else {
-			printk(KERN_ERR "cpmac: no PHY present\n");
+			dev_err(&pdev->dev, "no PHY present\n");
 			return -ENODEV;
 		}
 	}
@@ -1064,10 +1190,8 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
 	priv->msg_enable = netif_msg_init(debug_level, 0xff);
 	memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
 
-	snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
-
-	priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0,
-				PHY_INTERFACE_MODE_MII);
+	priv->phy = phy_connect(dev, cpmac_mii.phy_map[phy_id]->dev.bus_id,
+				&cpmac_adjust_link, 0, PHY_INTERFACE_MODE_MII);
 	if (IS_ERR(priv->phy)) {
 		if (netif_msg_drv(priv))
 			printk(KERN_ERR "%s: Could not attach to PHY\n",
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 32a9a922f153..08a7365a7d10 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -903,7 +903,7 @@ dm9000_stop(struct net_device *ndev)
 	if (netif_msg_ifdown(db))
 		dev_dbg(db->dev, "shutting down %s\n", ndev->name);
 
-	cancel_delayed_work(&db->phy_poll);
+	cancel_delayed_work_sync(&db->phy_poll);
 
 	netif_stop_queue(ndev);
 	netif_carrier_off(ndev);
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 8cbb40f3a506..cab1835173cd 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4201,8 +4201,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 	struct e1000_adapter *adapter;
 	struct e1000_hw *hw;
 	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
-	unsigned long mmio_star