Merge bk://linux-mtd.bkbits.net/sbc8260-2.6

into evo.osdl.org:/home/torvalds/v2.6/linux

drivers/net/3c527.c

@@ -287,6 +287,7 @@ struct net_device *__init mc32_probe(int unit)
 			
 		}
 	}
+	free_netdev(dev);
 	return ERR_PTR(-ENODEV);
 }
 

drivers/net/at1700.c

@@ -242,7 +242,7 @@ static void cleanup_card(struct net_device *dev)
 {
 #ifdef CONFIG_MCA	
 	struct net_local *lp = netdev_priv(dev);
-	if (lp->mca_slot)
+	if (lp->mca_slot >= 0)
 		mca_mark_as_unused(lp->mca_slot);
 #endif	
 	free_irq(dev->irq, NULL);
@@ -444,11 +444,11 @@ static int __init at1700_probe1(struct net_device *dev, int ioaddr)
 					break;
 			}
 			if (i == 8) {
-				goto err_out;
+				goto err_mca;
 			}
 		} else {
 			if (fmv18x_probe_list[inb(ioaddr + IOCONFIG) & 0x07] != ioaddr)
-				goto err_out;
+				goto err_mca;
 			irq = fmv_irqmap[(inb(ioaddr + IOCONFIG)>>6) & 0x03];
 		}
 	}
@@ -546,11 +546,16 @@ static int __init at1700_probe1(struct net_device *dev, int ioaddr)
 	if (ret) {
 		printk ("  AT1700 at %#3x is unusable due to a conflict on"
 				"IRQ %d.\n", ioaddr, irq);
-		goto err_out;
+		goto err_mca;
 	}
 
 	return 0;
 
+err_mca:
+#ifdef CONFIG_MCA
+	if (slot >= 0)
+		mca_mark_as_unused(slot);
+#endif
 err_out:
 #ifndef CONFIG_X86_PC9800
 	release_region(ioaddr, AT1700_IO_EXTENT);

drivers/net/e1000/e1000_main.c

@@ -52,7 +52,7 @@
 
 char e1000_driver_name[] = "e1000";
 char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
-char e1000_driver_version[] = "5.2.52-k2";
+char e1000_driver_version[] = "5.2.52-k4";
 char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporation.";
 
 /* e1000_pci_tbl - PCI Device ID Table
@@ -2143,6 +2143,7 @@ e1000_clean(struct net_device *netdev, int *budget)
 	if(work_done < work_to_do || !netif_running(netdev)) {
 		netif_rx_complete(netdev);
 		e1000_irq_enable(adapter);
+		return 0;
 	}
 
 	return (work_done >= work_to_do);

drivers/net/epic100.c

@@ -66,12 +66,15 @@
 	LK1.1.14 (Kryzsztof Halasa):
 	* fix spurious bad initializations
 	* pound phy a la SMSC's app note on the subject
+	
+	AC1.1.14ac
+	* fix power up/down for ethtool that broke in 1.11
 
 */
 
 #define DRV_NAME        "epic100"
-#define DRV_VERSION     "1.11+LK1.1.14"
-#define DRV_RELDATE     "Aug 4, 2002"
+#define DRV_VERSION     "1.11+LK1.1.14+AC1.1.14"
+#define DRV_RELDATE     "June 2, 2004"
 
 /* The user-configurable values.
    These may be modified when a driver module is loaded.*/
@@ -1424,6 +1427,27 @@ static void netdev_set_msglevel(struct net_device *dev, u32 value)
 	debug = value;
 }
 
+static int ethtool_begin(struct net_device *dev)
+{
+	unsigned long ioaddr = dev->base_addr;
+	/* power-up, if interface is down */
+	if (! netif_running(dev)) {
+		outl(0x0200, ioaddr + GENCTL);
+		outl((inl(ioaddr + NVCTL) & ~0x003C) | 0x4800, ioaddr + NVCTL);
+	}
+	return 0;
+}
+
+static void ethtool_complete(struct net_device *dev)
+{
+	unsigned long ioaddr = dev->base_addr;
+	/* power-down, if interface is down */
+	if (! netif_running(dev)) {
+		outl(0x0008, ioaddr + GENCTL);
+		outl((inl(ioaddr + NVCTL) & ~0x483C) | 0x0000, ioaddr + NVCTL);
+	}
+}
+
 static struct ethtool_ops netdev_ethtool_ops = {
 	.get_drvinfo		= netdev_get_drvinfo,
 	.get_settings		= netdev_get_settings,
@@ -1434,6 +1458,8 @@ static struct ethtool_ops netdev_ethtool_ops = {
 	.set_msglevel		= netdev_set_msglevel,
 	.get_sg			= ethtool_op_get_sg,
 	.get_tx_csum		= ethtool_op_get_tx_csum,
+	.begin			= ethtool_begin,
+	.complete		= ethtool_complete
 };
 
 static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)

drivers/net/tulip/interrupt.c

@@ -133,6 +133,10 @@ int tulip_poll(struct net_device *dev, int *budget)
 			   tp->rx_ring[entry].status);
 
        do {
+		if (inl(dev->base_addr + CSR5) == 0xffffffff) {
+			printk(KERN_DEBUG " In tulip_poll(), hardware disappeared.\n");
+			break;
+		}
                /* Acknowledge current RX interrupt sources. */
                outl((RxIntr | RxNoBuf), dev->base_addr + CSR5);
  

include/linux/ethtool.h

@@ -351,6 +351,8 @@ struct ethtool_ops {
 	int	(*phys_id)(struct net_device *, u32);
 	int	(*get_stats_count)(struct net_device *);
 	void	(*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, u64 *);
+	int	(*begin)(struct net_device *);
+	void	(*complete)(struct net_device *);
 };
 
 /* CMDs currently supported */

lib/rwsem.c

@@ -29,15 +29,15 @@ void rwsemtrace(struct rw_semaphore *sem, const char *str)
 
 /*
  * handle the lock being released whilst there are processes blocked on it that can now run
- * - if we come here, then:
- *   - the 'active part' of the count (&0x0000ffff) reached zero but has been re-incremented
+ * - if we come here from up_xxxx(), then:
+ *   - the 'active part' of the count (&0x0000ffff) had reached zero (but may have changed)
  *   - the 'waiting part' of the count (&0xffff0000) is negative (and will still be so)
  *   - there must be someone on the queue
  * - the spinlock must be held by the caller
  * - woken process blocks are discarded from the list after having task zeroed
- * - writers are only woken if wakewrite is non-zero
+ * - writers are only woken if downgrading is false
  */
-static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem, int wakewrite)
+static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem, int downgrading)
 {
 	struct rwsem_waiter *waiter;
 	struct task_struct *tsk;
@@ -46,10 +46,12 @@ static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem, int
 
 	rwsemtrace(sem,"Entering __rwsem_do_wake");
 
-	if (!wakewrite)
+	if (downgrading)
 		goto dont_wake_writers;
 
-	/* only wake someone up if we can transition the active part of the count from 0 -> 1 */
+	/* if we came through an up_xxxx() call, we only only wake someone up
+	 * if we can transition the active part of the count from 0 -> 1
+	 */
  try_again:
 	oldcount = rwsem_atomic_update(RWSEM_ACTIVE_BIAS,sem) - RWSEM_ACTIVE_BIAS;
 	if (oldcount & RWSEM_ACTIVE_MASK)
@@ -78,9 +80,10 @@ static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem, int
 	if (waiter->flags & RWSEM_WAITING_FOR_WRITE)
 		goto out;
 
-	/* grant an infinite number of read locks to the readers at the front of the queue
-	 * - note we increment the 'active part' of the count by the number of readers (less one
-	 *   for the activity decrement we've already done) before waking any processes up
+	/* grant an infinite number of read locks to the readers at the front
+	 * of the queue
+	 * - note we increment the 'active part' of the count by the number of
+	 *   readers before waking any processes up
 	 */
  readers_only:
 	woken = 0;
@@ -95,8 +98,10 @@ static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem, int
 	} while (waiter->flags & RWSEM_WAITING_FOR_READ);
 
 	loop = woken;
-	woken *= RWSEM_ACTIVE_BIAS-RWSEM_WAITING_BIAS;
-	woken -= RWSEM_ACTIVE_BIAS;
+	woken *= RWSEM_ACTIVE_BIAS - RWSEM_WAITING_BIAS;
+	if (!downgrading)
+		woken -= RWSEM_ACTIVE_BIAS; /* we'd already done one increment
+					     * earlier */
 	rwsem_atomic_add(woken,sem);
 
 	next = sem->wait_list.next;
@@ -150,7 +155,7 @@ static inline struct rw_semaphore *rwsem_down_failed_common(struct rw_semaphore
 	 * - it might even be this process, since the waker takes a more active part
 	 */
 	if (!(count & RWSEM_ACTIVE_MASK))
-		sem = __rwsem_do_wake(sem,1);
+		sem = __rwsem_do_wake(sem, 0);
 
 	spin_unlock(&sem->wait_lock);
 
@@ -201,7 +206,7 @@ struct rw_semaphore fastcall __sched *rwsem_down_write_failed(struct rw_semaphor
 
 /*
  * handle waking up a waiter on the semaphore
- * - up_read has decremented the active part of the count if we come here
+ * - up_read/up_write has decremented the active part of the count if we come here
  */
 struct rw_semaphore fastcall *rwsem_wake(struct rw_semaphore *sem)
 {
@@ -211,7 +216,7 @@ struct rw_semaphore fastcall *rwsem_wake(struct rw_semaphore *sem)
 
 	/* do nothing if list empty */
 	if (!list_empty(&sem->wait_list))
-		sem = __rwsem_do_wake(sem,1);
+		sem = __rwsem_do_wake(sem, 0);
 
 	spin_unlock(&sem->wait_lock);
 
@@ -233,7 +238,7 @@ struct rw_semaphore fastcall *rwsem_downgrade_wake(struct rw_semaphore *sem)
 
 	/* do nothing if list empty */
 	if (!list_empty(&sem->wait_list))
-		sem = __rwsem_do_wake(sem,0);
+		sem = __rwsem_do_wake(sem, 1);
 
 	spin_unlock(&sem->wait_lock);
 

net/core/ethtool.c

@@ -652,6 +652,7 @@ int dev_ethtool(struct ifreq *ifr)
 	struct net_device *dev = __dev_get_by_name(ifr->ifr_name);
 	void __user *useraddr = ifr->ifr_data;
 	u32 ethcmd;
+	int rc;
 
 	/*
 	 * XXX: This can be pushed down into the ethtool_* handlers that
@@ -669,70 +670,109 @@ int dev_ethtool(struct ifreq *ifr)
 	if (copy_from_user(&ethcmd, useraddr, sizeof (ethcmd)))
 		return -EFAULT;
 
+	if(dev->ethtool_ops->begin)
+		if ((rc = dev->ethtool_ops->begin(dev)) < 0)
+			return rc;
+
 	switch (ethcmd) {
 	case ETHTOOL_GSET:
-		return ethtool_get_settings(dev, useraddr);
+		rc = ethtool_get_settings(dev, useraddr);
+		break;
 	case ETHTOOL_SSET:
-		return ethtool_set_settings(dev, useraddr);
+		rc = ethtool_set_settings(dev, useraddr);
+		break;
 	case ETHTOOL_GDRVINFO:
-		return ethtool_get_drvinfo(dev, useraddr);
+		rc = ethtool_get_drvinfo(dev, useraddr);
+
+		break;
 	case ETHTOOL_GREGS:
-		return ethtool_get_regs(dev, useraddr);
+		rc = ethtool_get_regs(dev, useraddr);
+		break;
 	case ETHTOOL_GWOL:
-		return ethtool_get_wol(dev, useraddr);
+		rc = ethtool_get_wol(dev, useraddr);
+		break;
 	case ETHTOOL_SWOL:
-		return ethtool_set_wol(dev, useraddr);
+		rc = ethtool_set_wol(dev, useraddr);
+		break;
 	case ETHTOOL_GMSGLVL:
-		return ethtool_get_msglevel(dev, useraddr);
+		rc = ethtool_get_msglevel(dev, useraddr);
+		break;
 	case ETHTOOL_SMSGLVL:
-		return ethtool_set_msglevel(dev, useraddr);
+		rc = ethtool_set_msglevel(dev, useraddr);
+		break;
 	case ETHTOOL_NWAY_RST:
-		return ethtool_nway_reset(dev);
+		rc = ethtool_nway_reset(dev);
+		break;
 	case ETHTOOL_GLINK:
-		return ethtool_get_link(dev, useraddr);
+		rc = ethtool_get_link(dev, useraddr);
+		break;
 	case ETHTOOL_GEEPROM:
-		return ethtool_get_eeprom(dev, useraddr);
+		rc = ethtool_get_eeprom(dev, useraddr);
+		break;
 	case ETHTOOL_SEEPROM:
-		return ethtool_set_eeprom(dev, useraddr);
+		rc = ethtool_set_eeprom(dev, useraddr);
+		break;
 	case ETHTOOL_GCOALESCE:
-		return ethtool_get_coalesce(dev, useraddr);
+		rc = ethtool_get_coalesce(dev, useraddr);
+		break;
 	case ETHTOOL_SCOALESCE:
-		return ethtool_set_coalesce(dev, useraddr);
+		rc = ethtool_set_coalesce(dev, useraddr);
+		break;
 	case ETHTOOL_GRINGPARAM:
-		return ethtool_get_ringparam(dev, useraddr);
+		rc = ethtool_get_ringparam(dev, useraddr);
+		break;
 	case ETHTOOL_SRINGPARAM:
-		return ethtool_set_ringparam(dev, useraddr);
+		rc = ethtool_set_ringparam(dev, useraddr);
+		break;
 	case ETHTOOL_GPAUSEPARAM:
-		return ethtool_get_pauseparam(dev, useraddr);
+		rc = ethtool_get_pauseparam(dev, useraddr);
+		break;
 	case ETHTOOL_SPAUSEPARAM:
-		return ethtool_set_pauseparam(dev, useraddr);
+		rc = ethtool_set_pauseparam(dev, useraddr);
+		break;
 	case ETHTOOL_GRXCSUM:
-		return ethtool_get_rx_csum(dev, useraddr);
+		rc = ethtool_get_rx_csum(dev, useraddr);
+		break;
 	case ETHTOOL_SRXCSUM:
-		return ethtool_set_rx_csum(dev, useraddr);
+		rc = ethtool_set_rx_csum(dev, useraddr);
+		break;
 	case ETHTOOL_GTXCSUM:
-		return ethtool_get_tx_csum(dev, useraddr);
+		rc = ethtool_get_tx_csum(dev, useraddr);
+		break;
 	case ETHTOOL_STXCSUM:
-		return ethtool_set_tx_csum(dev, useraddr);
+		rc = ethtool_set_tx_csum(dev, useraddr);
+		break;
 	case ETHTOOL_GSG:
-		return ethtool_get_sg(dev, useraddr);
+		rc = ethtool_get_sg(dev, useraddr);
+		break;
 	case ETHTOOL_SSG:
-		return ethtool_set_sg(dev, useraddr);
+		rc = ethtool_set_sg(dev, useraddr);
+		break;
 	case ETHTOOL_GTSO:
-		return ethtool_get_tso(dev, useraddr);
+		rc = ethtool_get_tso(dev, useraddr);
+		break;
 	case ETHTOOL_STSO:
-		return ethtool_set_tso(dev, useraddr);
+		rc = ethtool_set_tso(dev, useraddr);
+		break;
 	case ETHTOOL_TEST:
-		return ethtool_self_test(dev, useraddr);
+		rc = ethtool_self_test(dev, useraddr);
+		break;
 	case ETHTOOL_GSTRINGS:
-		return ethtool_get_strings(dev, useraddr);
+		rc = ethtool_get_strings(dev, useraddr);
+		break;
 	case ETHTOOL_PHYS_ID:
-		return ethtool_phys_id(dev, useraddr);
+		rc = ethtool_phys_id(dev, useraddr);
+		break;
 	case ETHTOOL_GSTATS:
-		return ethtool_get_stats(dev, useraddr);
+		rc = ethtool_get_stats(dev, useraddr);
+		break;
 	default:
-		return -EOPNOTSUPP;
+		rc =  -EOPNOTSUPP;
 	}
+	
+	if(dev->ethtool_ops->complete)
+		dev->ethtool_ops->complete(dev);
+	return rc;
 
  ioctl:
 	if (dev->do_ioctl)