diff -u ltmodem.orig/Makefile ltmodem/Makefile
--- ltmodem.orig/Makefile	2009-04-20 05:04:59.000000000 +0000
+++ ltmodem/Makefile	2010-01-04 21:03:39.000000000 +0000
@@ -13,6 +13,7 @@
 all: modules
 
 modules:
+	echo > .ltmdmobj.o_.cmd
 	$(MAKE) -C $(KBUILD_DIR) M="$(MSRC_DIR)"  modules
 
 install:
diff -u ltmodem.orig/lib.c ltmodem/lib.c
--- ltmodem.orig/lib.c	2008-06-18 13:43:42.000000000 +0000
+++ ltmodem/lib.c	2010-01-04 21:03:35.000000000 +0000
@@ -71,10 +71,10 @@
 
 #define LT_DEFINE_PCI_OP(rw,size,type)							\
 asmlinkage									\
-int lt_pcibios_##rw##_config_##size(unsigned char bus, unsigned char dev_fn,	\
+int lt_pcibios_##rw##_config_##size(struct pci_bus *bus, unsigned int dev_fn,	\
 				  unsigned char where, unsigned type val)	\
 {										\
-	struct pci_dev *pcidev = pci_find_slot(bus, dev_fn);			\
+	struct pci_dev *pcidev = pci_get_slot(bus, dev_fn);			\
 	if (!pcidev)								\
 		return PCIBIOS_DEVICE_NOT_FOUND;				\
 	return pci_##rw##_config_##size(pcidev, where, val);			\
diff -u ltmodem.orig/ltdrv.c ltmodem/ltdrv.c
--- ltmodem.orig/ltdrv.c	2008-06-18 19:17:59.000000000 +0000
+++ ltmodem/ltdrv.c	2010-01-04 21:03:41.000000000 +0000
@@ -24,6 +24,7 @@
 #  define ASSERT(cond, action) 	do {} while (0)
 #endif 	
 
+void dump_core_vars(void);
 
 struct martian_metrics {
 	unsigned BaseAddress;
@@ -58,7 +59,6 @@
 	write_vuart_port(offset, value);
 }
 
-void dump_core_vars(void );
 static void serial_startup(struct vuart_host *host)
 {
 	vxdPortOpen();
@@ -78,16 +78,11 @@
 	.sleep	  = NULL
 };
 
-static unsigned int init_vport(struct _ltmodem *ltdev)
+static unsigned int init_vport(struct vuart_config *conf, struct _ltmodem *ltdev)
 {
-	struct vuart_config conf = {
-		.type	= VUART_GENERIC,
-		.flags	= VPF_INTERRUPT
-	};
-	
 	ltdev->host.ops = &lt_uart_ops; 
 
-	return serial_v8250_register_port(&conf, &ltdev->host);
+	return serial_v8250_register_port(conf, &ltdev->host);
 }
 
 
@@ -95,13 +90,14 @@
 static irqreturn_t ltmodem_isr(int irq, void *_dev)
 {
 	struct _ltmodem *dev = (struct _ltmodem *)_dev;
-	int handled = 1;
 
 	spin_lock (&dev->lock);
+	local_irq_disable();
 	dp_dsp_isr();
+	local_irq_enable();
 	spin_unlock (&dev->lock);
 
-	return IRQ_RETVAL(handled);
+	return IRQ_HANDLED;
 }
 
 asmlinkage u8 dp_regread(u8 reg)
@@ -144,8 +140,9 @@
 			UART_background();
 
 		if (VMODEM_Timer_Active) {
-			/* conditional ? */
+			/* conditional ?
 			struct _ltmodem *ltdev = (struct _ltmodem *)arg;
+			*/
 			serial_v8250_interrupt(ltmodem.line);
 		}
 
@@ -163,6 +160,7 @@
 	schedule_delayed_work (&ltmodem.work, HZ/100);
 }
 
+#ifdef DEBUG
 #define	DUMP_CORE_VAR(var)	pr_info("martian: \t" #var "\t= %d\n", var)
 void dump_core_vars(void )
 {
@@ -178,6 +176,9 @@
 	DUMP_CORE_VAR(Irq);
 	DUMP_CORE_VAR(S[0x7e]);
 }
+#else
+void dump_core_vars(void) {}
+#endif /* DEBUG */
 
 static void init_core(struct martian_metrics *mconf)
 {
@@ -206,6 +207,12 @@
 struct _ltmodem *ltmodem_add (struct martian_metrics *metrics, int *error)
 {
 	struct _ltmodem *dev = &ltmodem;
+	struct vuart_config vconf = {
+		.type   = VUART_GENERIC,
+		.flags  = VPF_INTERRUPT,
+		.irq    = metrics->irq,
+		.iobase = metrics->CommAddress
+	};
 	int ret;
 
 	dev->irq = metrics->irq;
@@ -217,7 +224,7 @@
 	ret = request_irq(
 		dev->irq, 
 		ltmodem_isr,  
-		IRQF_DISABLED | IRQF_SHARED, 
+		IRQF_SHARED,
 		"ltmodem", 
 		dev
 	);
@@ -230,10 +237,9 @@
 	INIT_DELAYED_WORK(&dev->work, work_func);
 
 	init_core(metrics); //, dev);
-	dev->line = init_vport(dev);
+	dev->line = init_vport(&vconf, dev);
 	
-	pr_info("martian: added device %x:%x " 
-			"BaseAddress = 0x%x, CommAddres = 0x%x, irq = %d\n", 
+	pr_info("ltmodem: added device %x:%x, base=0x%x, comm=0x%x, irq=%d\n",
 			metrics->vendor, metrics->device, 
 			metrics->BaseAddress, metrics->CommAddress,
 			metrics->irq
@@ -366,6 +372,11 @@
 		goto err_disable_pci;
 	}
 
+	if (pci_request_regions(dev, "ltmodem")) {
+		MERROR("failed to register device i/o space\n");
+		goto err_disable_pci;
+	}
+
 	pci_set_drvdata (dev, ltdev);
 
 	selected = 1;
@@ -385,6 +396,7 @@
 		serial_v8250_unregister_port(ltdev->line);
 		free_irq(ltdev->irq, ltdev);
 	}
+	pci_release_regions(dev);
 	pci_disable_device(dev);
 }
 
@@ -404,7 +416,6 @@
 
 static int __init ltmodem_init (void) 
 {
-	pr_info("ltmodem loaded\n");
 	detach_from_serial(ltmodem_ids);
 	return pci_register_driver (&ltmodem_driver);
 }
diff -u ltmodem.orig/v8250.c ltmodem/v8250.c
--- ltmodem.orig/v8250.c	2009-04-20 00:41:24.000000000 +0000
+++ ltmodem/v8250.c	2010-01-04 21:03:40.000000000 +0000
@@ -736,7 +736,7 @@
 
 static struct uart_driver serial8250_reg = {
 	.owner			= THIS_MODULE,
-	.driver_name		= "serial",
+	.driver_name		= "vserial",
 	.dev_name		= "ttySV",
 	.major			= TTY_MAJOR,
 	.minor			= 64 + CONFIG_SERIAL_8250_NR_UARTS,
@@ -832,9 +832,9 @@
 
 		uart->vtype	    = conf->type;
 		uart->port.iotype   = UPIO_PORT;
-		uart->port.iobase   = 0xf0000000;		/* imaginary ioport */
+		uart->port.iobase   = conf->iobase;
 		uart->port.membase  = 0;
-		uart->port.irq      = 0;
+		uart->port.irq      = conf->irq;
 		uart->port.mapbase  = 0;
 		uart->port.uartclk  = 921600 * 16;
 		uart->port.regshift = 0;
diff -u ltmodem.orig/v8250.h ltmodem/v8250.h
--- ltmodem.orig/v8250.h	2008-06-18 13:43:42.000000000 +0000
+++ ltmodem/v8250.h	2010-01-04 21:03:40.000000000 +0000
@@ -1,6 +1,8 @@
 struct vuart_config {
 	unsigned int type;
 	unsigned int flags;
+	unsigned int irq;
+	unsigned int iobase;
 };
 
 struct vuart_host;