diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 1e56f1c..d0b37d7 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -586,7 +586,7 @@
 	struct usb_device *usb_dev;
 
 	/* driver is often null here; dev_dbg() would oops */
-	pr_debug("usb %s: uevent\n", dev->bus_id);
+	pr_debug("usb %s: uevent\n", dev_name(dev));
 
 	if (is_usb_device(dev))
 		usb_dev = to_usb_device(dev);
@@ -596,11 +596,11 @@
 	}
 
 	if (usb_dev->devnum < 0) {
-		pr_debug("usb %s: already deleted?\n", dev->bus_id);
+		pr_debug("usb %s: already deleted?\n", dev_name(dev));
 		return -ENODEV;
 	}
 	if (!usb_dev->bus) {
-		pr_debug("usb %s: bus removed?\n", dev->bus_id);
+		pr_debug("usb %s: bus removed?\n", dev_name(dev));
 		return -ENODEV;
 	}
 
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index fae55a3..f600aec 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -296,7 +296,7 @@
 	retval = endpoint_get_minor(ep_dev);
 	if (retval) {
 		dev_err(parent, "can not allocate minor number for %s\n",
-			ep_dev->dev.bus_id);
+			dev_name(&ep_dev->dev));
 		goto error_register;
 	}
 
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index c6a9539..913fb86 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -150,7 +150,7 @@
 	int retval = -EINVAL;
 	int minor_base = class_driver->minor_base;
 	int minor = 0;
-	char name[BUS_ID_SIZE];
+	char name[20];
 	char *temp;
 
 #ifdef CONFIG_USB_DYNAMIC_MINORS
@@ -190,9 +190,9 @@
 	intf->minor = minor;
 
 	/* create a usb class device for this usb interface */
-	snprintf(name, BUS_ID_SIZE, class_driver->name, minor - minor_base);
+	snprintf(name, sizeof(name), class_driver->name, minor - minor_base);
 	temp = strrchr(name, '/');
-	if (temp && (temp[1] != 0x00))
+	if (temp && (temp[1] != '\0'))
 		++temp;
 	else
 		temp = name;
@@ -227,7 +227,7 @@
 			struct usb_class_driver *class_driver)
 {
 	int minor_base = class_driver->minor_base;
-	char name[BUS_ID_SIZE];
+	char name[20];
 
 #ifdef CONFIG_USB_DYNAMIC_MINORS
 	minor_base = 0;
@@ -242,7 +242,7 @@
 	usb_minors[intf->minor] = NULL;
 	up_write(&minor_rwsem);
 
-	snprintf(name, BUS_ID_SIZE, class_driver->name, intf->minor - minor_base);
+	snprintf(name, sizeof(name), class_driver->name, intf->minor - minor_base);
 	device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
 	intf->usb_dev = NULL;
 	intf->minor = -1;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 07f7bed..f7bfd72 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -900,14 +900,14 @@
 	if (retval != sizeof usb_dev->descriptor) {
 		mutex_unlock(&usb_bus_list_lock);
 		dev_dbg (parent_dev, "can't read %s device descriptor %d\n",
-				usb_dev->dev.bus_id, retval);
+				dev_name(&usb_dev->dev), retval);
 		return (retval < 0) ? retval : -EMSGSIZE;
 	}
 
 	retval = usb_new_device (usb_dev);
 	if (retval) {
 		dev_err (parent_dev, "can't register root hub for %s, %d\n",
-				usb_dev->dev.bus_id, retval);
+				dev_name(&usb_dev->dev), retval);
 	}
 	mutex_unlock(&usb_bus_list_lock);
 
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index fe47d14..1141a49 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1090,7 +1090,7 @@
 			if (!device_is_registered(&interface->dev))
 				continue;
 			dev_dbg(&dev->dev, "unregistering interface %s\n",
-				interface->dev.bus_id);
+				dev_name(&interface->dev));
 			device_del(&interface->dev);
 			usb_remove_sysfs_intf_files(interface);
 		}
@@ -1631,12 +1631,12 @@
 
 		dev_dbg(&dev->dev,
 			"adding %s (config #%d, interface %d)\n",
-			intf->dev.bus_id, configuration,
+			dev_name(&intf->dev), configuration,
 			intf->cur_altsetting->desc.bInterfaceNumber);
 		ret = device_add(&intf->dev);
 		if (ret != 0) {
 			dev_err(&dev->dev, "device_add(%s) --> %d\n",
-				intf->dev.bus_id, ret);
+				dev_name(&intf->dev), ret);
 			continue;
 		}
 		usb_create_sysfs_intf_files(intf);
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 3257743..3aca6d5 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -308,7 +308,7 @@
 	 * by location for diagnostics, tools, driver model, etc.  The
 	 * string is a path along hub ports, from the root.  Each device's
 	 * dev->devpath will be stable until USB is re-cabled, and hubs
-	 * are often labeled with these port numbers.  The bus_id isn't
+	 * are often labeled with these port numbers.  The name isn't
 	 * as stable:  bus->busnum changes easily from modprobe order,
 	 * cardbus or pci hotplugging, and so on.
 	 */
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 4203619..b36ad24 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -1865,7 +1865,7 @@
 
 	dev_info(&pdev->dev, "%s, driver " DRIVER_VERSION "\n", driver_desc);
 
-	hcd = usb_create_hcd(&dummy_hcd, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd(&dummy_hcd, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd)
 		return -ENOMEM;
 	the_controller = hcd_to_dummy (hcd);
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 4ce3950..d3891b2 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1642,7 +1642,7 @@
 	strlcpy(p->driver, shortname, sizeof p->driver);
 	strlcpy(p->version, DRIVER_VERSION, sizeof p->version);
 	strlcpy(p->fw_version, dev->gadget->name, sizeof p->fw_version);
-	strlcpy (p->bus_info, dev->gadget->dev.bus_id, sizeof p->bus_info);
+	strlcpy (p->bus_info, dev_name(&dev->gadget->dev), sizeof p->bus_info);
 }
 
 static u32 eth_get_link(struct net_device *net)
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 47bb9f0..638cee0 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -3868,7 +3868,7 @@
 		curlun->dev.driver = &fsg_driver.driver;
 		dev_set_drvdata(&curlun->dev, fsg);
 		snprintf(curlun->dev.bus_id, BUS_ID_SIZE,
-				"%s-lun%d", gadget->dev.bus_id, i);
+				"%s-lun%d", dev_name(&gadget->dev), i);
 
 		if ((rc = device_register(&curlun->dev)) != 0) {
 			INFO(fsg, "failed to register LUN%d: %d\n", i, rc);
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index 825abd2..c6e7df0 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -1970,7 +1970,7 @@
 
 static void nop_release(struct device *dev)
 {
-	DEBUG("%s %s\n", __func__, dev->bus_id);
+	DEBUG("%s %s\n", __func__, dev_name(dev));
 }
 
 static struct lh7a40x_udc memory = {
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 031dceb..fbd6289 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -1818,7 +1818,7 @@
 
 static void nop_release (struct device *dev)
 {
-	DMSG("%s %s\n", __func__, dev->bus_id);
+	DMSG("%s %s\n", __func__, dev_name(dev));
 }
 
 /* this uses load-time allocation and initialization (instead of
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 0f82fdc..b0f8ed5 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -676,7 +676,7 @@
 			"%s\n"
 			"SUSPENDED (no register access)\n",
 			hcd->self.controller->bus->name,
-			hcd->self.controller->bus_id,
+			dev_name(hcd->self.controller),
 			hcd->product_desc);
 		goto done;
 	}
@@ -688,7 +688,7 @@
 		"%s\n"
 		"EHCI %x.%02x, hcd state %d\n",
 		hcd->self.controller->bus->name,
-		hcd->self.controller->bus_id,
+		dev_name(hcd->self.controller),
 		hcd->product_desc,
 		i >> 8, i & 0x0ff, hcd->state);
 	size -= temp;
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 7370d61..f710a2d 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -56,7 +56,7 @@
 	pdata = (struct fsl_usb2_platform_data *)pdev->dev.platform_data;
 	if (!pdata) {
 		dev_err(&pdev->dev,
-			"No platform data for %s.\n", pdev->dev.bus_id);
+			"No platform data for %s.\n", dev_name(&pdev->dev));
 		return -ENODEV;
 	}
 
@@ -69,7 +69,7 @@
 	      (pdata->operating_mode == FSL_USB2_DR_OTG))) {
 		dev_err(&pdev->dev,
 			"Non Host Mode configured for %s. Wrong driver linked.\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		return -ENODEV;
 	}
 
@@ -77,12 +77,12 @@
 	if (!res) {
 		dev_err(&pdev->dev,
 			"Found HC with no IRQ. Check %s setup!\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		return -ENODEV;
 	}
 	irq = res->start;
 
-	hcd = usb_create_hcd(driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		retval = -ENOMEM;
 		goto err1;
@@ -92,7 +92,7 @@
 	if (!res) {
 		dev_err(&pdev->dev,
 			"Found HC with no register addr. Check %s setup!\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		retval = -ENODEV;
 		goto err2;
 	}
@@ -132,7 +132,7 @@
       err2:
 	usb_put_hcd(hcd);
       err1:
-	dev_err(&pdev->dev, "init %s fail, %d\n", pdev->dev.bus_id, retval);
+	dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
 	return retval;
 }
 
diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
index 9d042f2..f9575c4 100644
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ b/drivers/usb/host/ehci-ixp4xx.c
@@ -77,12 +77,12 @@
 	if (!res) {
 		dev_err(&pdev->dev,
 			"Found HC with no IRQ. Check %s setup!\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		return -ENODEV;
 	}
 	irq = res->start;
 
-	hcd = usb_create_hcd(driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		retval = -ENOMEM;
 		goto fail_create_hcd;
@@ -92,7 +92,7 @@
 	if (!res) {
 		dev_err(&pdev->dev,
 			"Found HC with no register addr. Check %s setup!\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		retval = -ENODEV;
 		goto fail_request_resource;
 	}
@@ -126,7 +126,7 @@
 fail_request_resource:
 	usb_put_hcd(hcd);
 fail_create_hcd:
-	dev_err(&pdev->dev, "init %s fail, %d\n", pdev->dev.bus_id, retval);
+	dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
 	return retval;
 }
 
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index ab625f0..5fbdc14 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -204,7 +204,7 @@
 	if (irq <= 0) {
 		dev_err(&pdev->dev,
 			"Found HC with no IRQ. Check %s setup!\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		err = -ENODEV;
 		goto err1;
 	}
@@ -213,7 +213,7 @@
 	if (!res) {
 		dev_err(&pdev->dev,
 			"Found HC with no register addr. Check %s setup!\n",
-			pdev->dev.bus_id);
+			dev_name(&pdev->dev));
 		err = -ENODEV;
 		goto err1;
 	}
@@ -233,7 +233,7 @@
 	}
 
 	hcd = usb_create_hcd(&ehci_orion_hc_driver,
-			&pdev->dev, pdev->dev.bus_id);
+			&pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		err = -ENOMEM;
 		goto err3;
@@ -276,7 +276,7 @@
 	release_mem_region(res->start, res->end - res->start + 1);
 err1:
 	dev_err(&pdev->dev, "init %s fail, %d\n",
-		pdev->dev.bus_id, err);
+		dev_name(&pdev->dev), err);
 
 	return err;
 }
diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c
index 37e6abe..0eba894 100644
--- a/drivers/usb/host/ehci-ps3.c
+++ b/drivers/usb/host/ehci-ps3.c
@@ -128,7 +128,7 @@
 
 	dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */
 
-	hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev->core.bus_id);
+	hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev_name(&dev->core));
 
 	if (!hcd) {
 		dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__,
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 20b9a0d..109dee8 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1592,7 +1592,7 @@
 	}
 
 	/* allocate and initialize hcd */
-	hcd = usb_create_hcd(&isp116x_hc_driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd(&isp116x_hc_driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		ret = -ENOMEM;
 		goto err5;
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index c9db3fe..ad83366 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -41,7 +41,7 @@
 		return -ENXIO;
 
 	res = request_mem_region(memory.start, memory.end - memory.start + 1,
-			dev->dev.bus_id);
+			dev_name(&dev->dev));
 	if (!res)
 		return -EBUSY;
 
@@ -56,7 +56,7 @@
 			oirq.size);
 
 	hcd = isp1760_register(memory.start, res_len, virq,
-		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev->dev.bus_id);
+		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev_name(&dev->dev));
 	if (IS_ERR(hcd)) {
 		ret = PTR_ERR(hcd);
 		goto release_reg;
@@ -200,7 +200,7 @@
 
 	dev->dev.dma_mask = NULL;
 	hcd = isp1760_register(pci_mem_phy0, length, dev->irq,
-		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev->dev.bus_id);
+		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev_name(&dev->dev));
 	pci_set_drvdata(dev, hcd);
 	if (!hcd)
 		return 0;
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index e06bfae..7cef1d2 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -651,7 +651,7 @@
 		"%s\n"
 		"%s version " DRIVER_VERSION "\n",
 		hcd->self.controller->bus->name,
-		hcd->self.controller->bus_id,
+		dev_name(hcd->self.controller),
 		hcd->product_desc,
 		hcd_name);
 
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index a19a4f8..6e5e5f8 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -329,7 +329,7 @@
 	}
 
 
-	hcd = usb_create_hcd (driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd (driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		retval = -ENOMEM;
 		goto err0;
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index 28b458f..7062ab5 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -389,7 +389,7 @@
 	while ((__raw_readl(USB_OTG_CLK_STAT) & USB_CLOCK_MASK) !=
 	       USB_CLOCK_MASK) ;
 
-	hcd = usb_create_hcd (driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd (driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		err("Failed to allocate HC buffer");
 		ret = -ENOMEM;
diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c
index c1935ae..55c9564 100644
--- a/drivers/usb/host/ohci-ps3.c
+++ b/drivers/usb/host/ohci-ps3.c
@@ -129,7 +129,7 @@
 
 	dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */
 
-	hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev->core.bus_id);
+	hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev_name(&dev->core));
 
 	if (!hcd) {
 		dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__,
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index e610698..21b164e 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -143,7 +143,7 @@
 		goto err2;
 	}
 
-	hcd = usb_create_hcd(driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		retval = -ENOMEM;
 		goto err2;
diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
index 7275186..3660c83 100644
--- a/drivers/usb/host/ohci-ssb.c
+++ b/drivers/usb/host/ohci-ssb.c
@@ -113,7 +113,7 @@
 	ssb_device_enable(dev, flags);
 
 	hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
-			dev->dev->bus_id);
+			dev_name(dev->dev));
 	if (!hcd)
 		goto err_dev_disable;
 	ohcidev = hcd_to_ssb_ohci(hcd);
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 4265752..340d72d 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1674,7 +1674,7 @@
 	}
 
 	/* allocate and initialize hcd */
-	hcd = usb_create_hcd(&sl811h_hc_driver, &dev->dev, dev->dev.bus_id);
+	hcd = usb_create_hcd(&sl811h_hc_driver, &dev->dev, dev_name(&dev->dev));
 	if (!hcd) {
 		retval = -ENOMEM;
 		goto err5;
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 9b6323f..20ad3c4 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -3124,7 +3124,7 @@
 	if (pdev->dev.dma_mask)
 		return -EINVAL;
 
-	hcd = usb_create_hcd(&u132_hc_driver, &pdev->dev, pdev->dev.bus_id);
+	hcd = usb_create_hcd(&u132_hc_driver, &pdev->dev, dev_name(&pdev->dev));
 	if (!hcd) {
 		printk(KERN_ERR "failed to create the usb hcd struct for U132\n"
 			);
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0cb0d77..b4620c0 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -505,7 +505,7 @@
 {
 	struct usb_serial_port *port = to_usb_serial_port(dev);
 
-	dbg ("%s - %s", __func__, dev->bus_id);
+	dbg ("%s - %s", __func__, dev_name(dev));
 	port_free(port);
 }
 
@@ -939,7 +939,7 @@
 		port->dev.release = &port_release;
 
 		snprintf (&port->dev.bus_id[0], sizeof(port->dev.bus_id), "ttyUSB%d", port->number);
-		dbg ("%s - registering %s", __func__, port->dev.bus_id);
+		dbg ("%s - registering %s", __func__, dev_name(&port->dev));
 		retval = device_register(&port->dev);
 		if (retval)
 			dev_err(&port->dev, "Error registering port device, "