Merge bk://gkernel.bkbits.net/net-drivers-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

drivers/net/3c527.c

@@ -751,18 +751,15 @@ static int mc32_load_rx_ring(struct net_device *dev)
 	
 	rx_base=lp->rx_chain;
 
-	for(i=0; i<RX_RING_LEN; i++)
-	{
+	for(i=0; i<RX_RING_LEN; i++) {
 		lp->rx_ring[i].skb=alloc_skb(1532, GFP_KERNEL);
-		skb_reserve(lp->rx_ring[i].skb, 18);  
-
-		if(lp->rx_ring[i].skb==NULL)
-		{
-			for(;i>=0;i--)
+		if (lp->rx_ring[i].skb==NULL) {
+			for (;i>=0;i--)
 				kfree_skb(lp->rx_ring[i].skb);
 			return -ENOBUFS;
 		}
-		
+		skb_reserve(lp->rx_ring[i].skb, 18);
+
 		p=isa_bus_to_virt(lp->base+rx_base);
 				
 		p->control=0;

drivers/net/8139cp.c

@@ -1698,7 +1698,7 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 
 	/* Configure DMA attributes. */
-	if ((sizeof(dma_addr_t) > 32) &&
+	if ((sizeof(dma_addr_t) > 4) &&
 	    !pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL) &&
 	    !pci_set_dma_mask(pdev, 0xffffffffffffffffULL)) {
 		pci_using_dac = 1;

drivers/net/forcedeth.c

@@ -75,6 +75,7 @@
  *			   added CK804/MCP04 device IDs, code fixes
  *			   for registers, link status and other minor fixes.
  *	0.28: 21 Jun 2004: Big cleanup, making driver mostly endian safe
+ *	0.29: 31 Aug 2004: Add backup timer for link change notification.
  *
  * Known bugs:
  * We suspect that on some hardware no TX done interrupts are generated.
@@ -86,7 +87,7 @@
  * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
  * superfluous timer interrupts from the nic.
  */
-#define FORCEDETH_VERSION		"0.28"
+#define FORCEDETH_VERSION		"0.29"
 #define DRV_NAME			"forcedeth"
 
 #include <linux/module.h>
@@ -120,10 +121,11 @@
  * Hardware access:
  */
 
-#define DEV_NEED_LASTPACKET1	0x0001
-#define DEV_IRQMASK_1		0x0002
-#define DEV_IRQMASK_2		0x0004
-#define DEV_NEED_TIMERIRQ	0x0008
+#define DEV_NEED_LASTPACKET1	0x0001	/* set LASTPACKET1 in tx flags */
+#define DEV_IRQMASK_1		0x0002  /* use NVREG_IRQMASK_WANTED_1 for irq mask */
+#define DEV_IRQMASK_2		0x0004  /* use NVREG_IRQMASK_WANTED_2 for irq mask */
+#define DEV_NEED_TIMERIRQ	0x0008  /* set the timer irq flag in the irq mask */
+#define DEV_NEED_LINKTIMER	0x0010	/* poll link settings. Relies on the timer irq */
 
 enum {
 	NvRegIrqStatus = 0x000,
@@ -367,6 +369,7 @@ struct ring_desc {
 
 #define OOM_REFILL	(1+HZ/20)
 #define POLL_WAIT	(1+HZ/100)
+#define LINK_TIMEOUT	(3*HZ)
 
 #define DESC_VER_1	0x0
 #define DESC_VER_2	0x02100
@@ -446,6 +449,11 @@ struct fe_priv {
 	struct timer_list oom_kick;
 	struct timer_list nic_poll;
 
+	/* media detection workaround.
+	 * Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
+	 */
+	int need_linktimer;
+	unsigned long link_timeout;
 	/*
 	 * tx specific fields.
 	 */
@@ -1384,6 +1392,25 @@ static int nv_update_linkspeed(struct net_device *dev)
 	return retval;
 }
 
+static void nv_linkchange(struct net_device *dev)
+{
+	if (nv_update_linkspeed(dev)) {
+		if (netif_carrier_ok(dev)) {
+			nv_stop_rx(dev);
+		} else {
+			netif_carrier_on(dev);
+			printk(KERN_INFO "%s: link up.\n", dev->name);
+		}
+		nv_start_rx(dev);
+	} else {
+		if (netif_carrier_ok(dev)) {
+			netif_carrier_off(dev);
+			printk(KERN_INFO "%s: link down.\n", dev->name);
+			nv_stop_rx(dev);
+		}
+	}
+}
+
 static void nv_link_irq(struct net_device *dev)
 {
 	u8 *base = get_hwbase(dev);
@@ -1391,25 +1418,10 @@ static void nv_link_irq(struct net_device *dev)
 
 	miistat = readl(base + NvRegMIIStatus);
 	writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus);
-	dprintk(KERN_DEBUG "%s: link change notification, status 0x%x.\n", dev->name, miistat);
+	dprintk(KERN_INFO "%s: link change irq, status 0x%x.\n", dev->name, miistat);
 
-	if (miistat & (NVREG_MIISTAT_LINKCHANGE)) {
-		if (nv_update_linkspeed(dev)) {
-			if (netif_carrier_ok(dev)) {
-				nv_stop_rx(dev);
-			} else {
-				netif_carrier_on(dev);
-				printk(KERN_INFO "%s: link up.\n", dev->name);
-			}
-			nv_start_rx(dev);
-		} else {
-			if (netif_carrier_ok(dev)) {
-				netif_carrier_off(dev);
-				printk(KERN_INFO "%s: link down.\n", dev->name);
-				nv_stop_rx(dev);
-			}
-		}
-	}
+	if (miistat & (NVREG_MIISTAT_LINKCHANGE))
+		nv_linkchange(dev);
 	dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name);
 }
 
@@ -1452,6 +1464,12 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
 			nv_link_irq(dev);
 			spin_unlock(&np->lock);
 		}
+		if (np->need_linktimer && time_after(jiffies, np->link_timeout)) {
+			spin_lock(&np->lock);
+			nv_linkchange(dev);
+			spin_unlock(&np->lock);
+			np->link_timeout = jiffies + LINK_TIMEOUT;
+		}
 		if (events & (NVREG_IRQ_TX_ERR)) {
 			dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n",
 						dev->name, events);
@@ -1816,6 +1834,14 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
 		np->irqmask = NVREG_IRQMASK_WANTED_2;
 	if (id->driver_data & DEV_NEED_TIMERIRQ)
 		np->irqmask |= NVREG_IRQ_TIMER;
+	if (id->driver_data & DEV_NEED_LINKTIMER) {
+		dprintk(KERN_INFO "%s: link timer on.\n", pci_name(pci_dev));
+		np->need_linktimer = 1;
+		np->link_timeout = jiffies + LINK_TIMEOUT;
+	} else {
+		dprintk(KERN_INFO "%s: link timer off.\n", pci_name(pci_dev));
+		np->need_linktimer = 0;
+	}
 
 	/* find a suitable phy */
 	for (i = 1; i < 32; i++) {
@@ -1909,21 +1935,21 @@ static struct pci_device_id pci_tbl[] = {
 		.device = PCI_DEVICE_ID_NVIDIA_NVENET_1,
 		.subvendor = PCI_ANY_ID,
 		.subdevice = PCI_ANY_ID,
-		.driver_data = DEV_IRQMASK_1|DEV_NEED_TIMERIRQ,
+		.driver_data = DEV_IRQMASK_1|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
 	},
 	{	/* nForce2 Ethernet Controller */
 		.vendor = PCI_VENDOR_ID_NVIDIA,
 		.device = PCI_DEVICE_ID_NVIDIA_NVENET_2,
 		.subvendor = PCI_ANY_ID,
 		.subdevice = PCI_ANY_ID,
-		.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+		.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
 	},
 	{	/* nForce3 Ethernet Controller */
 		.vendor = PCI_VENDOR_ID_NVIDIA,
 		.device = PCI_DEVICE_ID_NVIDIA_NVENET_3,
 		.subvendor = PCI_ANY_ID,
 		.subdevice = PCI_ANY_ID,
-		.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+		.driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
 	},
 	{	/* nForce3 Ethernet Controller */
 		.vendor = PCI_VENDOR_ID_NVIDIA,

drivers/net/r8169.c

@@ -983,7 +983,7 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out,
 
 	tp->cp_cmd = PCIMulRW | RxChkSum;
 
-	if ((sizeof(dma_addr_t) > 32) &&
+	if ((sizeof(dma_addr_t) > 4) &&
 	    !pci_set_dma_mask(pdev, DMA_64BIT_MASK))
 		tp->cp_cmd |= PCIDAC;
 	else {

drivers/net/wireless/airo.c

@@ -25,6 +25,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
+#include <linux/smp_lock.h>
 
 #include <linux/sched.h>
 #include <linux/ptrace.h>

drivers/net/wireless/wavelan.c

@@ -3822,17 +3822,18 @@ static irqreturn_t wavelan_interrupt(int irq, void *dev_id, struct pt_regs *regs
 	if ((hasr & HASR_MMC_INTR) && (lp->hacr & HACR_MMC_INT_ENABLE)) {
 		u8 dce_status;
 
-#ifdef DEBUG_INTERRUPT_ERROR
-		printk(KERN_INFO
-		       "%s: wavelan_interrupt(): unexpected mmc interrupt: status 0x%04x.\n",
-		       dev->name, dce_status);
-#endif
 		/*
 		 * Interrupt from the modem management controller.
 		 * This will clear it -- ignored for now.
 		 */
 		mmc_read(ioaddr, mmroff(0, mmr_dce_status), &dce_status,
 			 sizeof(dce_status));
+
+#ifdef DEBUG_INTERRUPT_ERROR
+		printk(KERN_INFO
+		       "%s: wavelan_interrupt(): unexpected mmc interrupt: status 0x%04x.\n",
+		       dev->name, dce_status);
+#endif
 	}
 
 	/* Check if not controller interrupt */