Importing files for 2.6.1-rc2 release.

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/tags/2.6.1-rc2@10606 a0bf4364-ded3-4de4-8d8a-66a801d63aff

.version

@@ -1 +1 @@
-2.6.1-rc1
+2.6.1-rc2

drivers/dahdi/dahdi_dynamic_eth.c

@@ -71,6 +71,8 @@ static struct dahdi_span *ztdeth_getspan(unsigned char *addr, unsigned short sub
 	if (z)
 		span = z->span;
 	spin_unlock_irqrestore(&zlock, flags);
+	if (!span || !test_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags))
+		return NULL;
 	return span;
 }
 
@@ -451,7 +453,11 @@ static int __init ztdeth_init(void)
 
 static void __exit ztdeth_exit(void)
 {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
+	flush_scheduled_work();
+#else
 	cancel_work_sync(&dahdi_dynamic_eth_flush_work);
+#endif
 	dev_remove_pack(&ztdeth_ptype);
 	unregister_netdevice_notifier(&ztdeth_nblock);
 	dahdi_dynamic_unregister_driver(&ztd_eth);

drivers/dahdi/wct4xxp/base.c

@@ -3784,7 +3784,7 @@ static inline void t4_framer_interrupt(struct t4 *wc, int span)
 }
 
 #ifdef SUPPORT_GEN1
-DAHDI_IRQ_HANDLER(t4_interrupt)
+static irqreturn_t _t4_interrupt(int irq, void *dev_id)
 {
 	struct t4 *wc = dev_id;
 	unsigned long flags;
@@ -3852,6 +3852,16 @@ DAHDI_IRQ_HANDLER(t4_interrupt)
 
 	return IRQ_RETVAL(1);
 }
+
+DAHDI_IRQ_HANDLER(t4_interrupt)
+{
+	irqreturn_t ret;
+	unsigned long flags;
+	local_irq_save(flags);
+	ret = _t4_interrupt(irq, dev_id);
+	local_irq_restore(flags);
+	return ret;
+}
 #endif
 
 static int t4_allocate_buffers(struct t4 *wc, int numbufs,
@@ -3969,7 +3979,7 @@ static void t4_isr_bh(unsigned long data)
 #endif
 }
 
-DAHDI_IRQ_HANDLER(t4_interrupt_gen2)
+static irqreturn_t _t4_interrupt_gen2(int irq, void *dev_id)
 {
 	struct t4 *wc = dev_id;
 	unsigned int status;
@@ -4165,6 +4175,16 @@ out:
 	return IRQ_RETVAL(1);
 }
 
+DAHDI_IRQ_HANDLER(t4_interrupt_gen2)
+{
+	irqreturn_t ret;
+	unsigned long flags;
+	local_irq_save(flags);
+	ret = _t4_interrupt_gen2(irq, dev_id);
+	local_irq_restore(flags);
+	return ret;
+}
+
 #ifdef SUPPORT_GEN1
 static int t4_reset_dma(struct t4 *wc)
 {
@@ -5212,22 +5232,23 @@ t4_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 #ifdef SUPPORT_GEN1
 	if (request_irq(pdev->irq, (wc->devtype->flags & FLAG_2NDGEN) ?
 					t4_interrupt_gen2 : t4_interrupt,
-			DAHDI_IRQ_SHARED_DISABLED,
+			DAHDI_IRQ_SHARED,
 			(wc->numspans == 8) ? "wct8xxp" :
 					      (wc->numspans == 2) ? "wct2xxp" :
 								    "wct4xxp",
-			wc))
+			wc)) {
 #else
-		if (!(wc->tspans[0]->spanflags & FLAG_2NDGEN)) {
-			dev_notice(&wc->dev->dev, "This driver does not "
-					"support 1st gen modules\n");
-			free_wc(wc);
-			return -ENODEV;
-		}	
-	if (request_irq(pdev->irq, t4_interrupt_gen2, DAHDI_IRQ_SHARED_DISABLED, "t4xxp", wc)) 
+	if (!(wc->tspans[0]->spanflags & FLAG_2NDGEN)) {
+		dev_notice(&wc->dev->dev, "This driver does not "
+				"support 1st gen modules\n");
+		free_wc(wc);
+		return -ENODEV;
+	}
+
+	if (request_irq(pdev->irq, t4_interrupt_gen2,
+			DAHDI_IRQ_SHARED, "t4xxp", wc)) {
 #endif
-	{
-		dev_notice(&wc->dev->dev, "t4xxp: Unable to request IRQ %d\n",
+		dev_notice(&wc->dev->dev, "Unable to request IRQ %d\n",
 				pdev->irq);
 		free_wc(wc);
 		return -EIO;