[PATCH] drivers/usb/input: convert to dynamic input_dev allocation

Input: convert drivers/iusb/input to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/input/acecad.c

···
 	char name[128];
 	char phys[64];
 	struct usb_device *usbdev;
-	struct input_dev dev;
+	struct input_dev *input;
 	struct urb *irq;
 
 	signed char *data;
···
 {
 	struct usb_acecad *acecad = urb->context;
 	unsigned char *data = acecad->data;
-	struct input_dev *dev = &acecad->dev;
+	struct input_dev *dev = acecad->input;
 	int prox, status;
 
 	switch (urb->status) {
···
 	struct usb_host_interface *interface = intf->cur_altsetting;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_acecad *acecad;
+	struct input_dev *input_dev;
 	int pipe, maxp;
-	char path[64];
 
 	if (interface->desc.bNumEndpoints != 1)
 		return -ENODEV;
···
 	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
 
 	acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL);
-	if (!acecad)
-		return -ENOMEM;
+	input_dev = input_allocate_device();
+	if (!acecad || !input_dev)
+		goto fail1;
 
 	acecad->data = usb_buffer_alloc(dev, 8, SLAB_KERNEL, &acecad->data_dma);
 	if (!acecad->data)
···
 	acecad->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!acecad->irq)
 		goto fail2;
+
+	acecad->usbdev = dev;
+	acecad->input = input_dev;
 
 	if (dev->manufacturer)
 		strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name));
···
 		strlcat(acecad->name, dev->product, sizeof(acecad->name));
 	}
 
-	usb_make_path(dev, path, sizeof(path));
-	snprintf(acecad->phys, sizeof(acecad->phys), "%s/input0", path);
+	usb_make_path(dev, acecad->phys, sizeof(acecad->phys));
+	strlcat(acecad->phys, "/input0", sizeof(acecad->phys));
 
-	acecad->usbdev = dev;
+	input_dev->name = acecad->name;
+	input_dev->phys = acecad->phys;
+	usb_to_input_id(dev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = acecad;
 
-	acecad->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-	acecad->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
-	acecad->dev.keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
-	acecad->dev.keybit[LONG(BTN_DIGI)] = BIT(BTN_TOOL_PEN) |BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2);
+	input_dev->open = usb_acecad_open;
+	input_dev->close = usb_acecad_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
+	input_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
+	input_dev->keybit[LONG(BTN_DIGI)] = BIT(BTN_TOOL_PEN) |BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2);
 
 	switch (id->driver_info) {
 		case 0:
-			acecad->dev.absmax[ABS_X] = 5000;
-			acecad->dev.absmax[ABS_Y] = 3750;
-			acecad->dev.absmax[ABS_PRESSURE] = 512;
+			input_dev->absmax[ABS_X] = 5000;
+			input_dev->absmax[ABS_Y] = 3750;
+			input_dev->absmax[ABS_PRESSURE] = 512;
 			if (!strlen(acecad->name))
 				snprintf(acecad->name, sizeof(acecad->name),
 					"USB Acecad Flair Tablet %04x:%04x",
-					dev->descriptor.idVendor, dev->descriptor.idProduct);
+					le16_to_cpu(dev->descriptor.idVendor),
+					le16_to_cpu(dev->descriptor.idProduct));
 			break;
 		case 1:
-			acecad->dev.absmax[ABS_X] = 3000;
-			acecad->dev.absmax[ABS_Y] = 2250;
-			acecad->dev.absmax[ABS_PRESSURE] = 1024;
+			input_dev->absmax[ABS_X] = 3000;
+			input_dev->absmax[ABS_Y] = 2250;
+			input_dev->absmax[ABS_PRESSURE] = 1024;
 			if (!strlen(acecad->name))
 				snprintf(acecad->name, sizeof(acecad->name),
 					"USB Acecad 302 Tablet %04x:%04x",
-					dev->descriptor.idVendor, dev->descriptor.idProduct);
+					le16_to_cpu(dev->descriptor.idVendor),
+					le16_to_cpu(dev->descriptor.idProduct));
 			break;
 	}
 
-	acecad->dev.absfuzz[ABS_X] = 4;
-	acecad->dev.absfuzz[ABS_Y] = 4;
-
-	acecad->dev.private = acecad;
-	acecad->dev.open = usb_acecad_open;
-	acecad->dev.close = usb_acecad_close;
-
-	acecad->dev.name = acecad->name;
-	acecad->dev.phys = acecad->phys;
-	usb_to_input_id(dev, &acecad->dev.id);
-	acecad->dev.dev = &intf->dev;
+	input_dev->absfuzz[ABS_X] = 4;
+	input_dev->absfuzz[ABS_Y] = 4;
 
 	usb_fill_int_urb(acecad->irq, dev, pipe,
 			acecad->data, maxp > 8 ? 8 : maxp,
···
 	acecad->irq->transfer_dma = acecad->data_dma;
 	acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-	input_register_device(&acecad->dev);
-
-	printk(KERN_INFO "input: %s with packet size %d on %s\n",
-		acecad->name, maxp, path);
+	input_register_device(acecad->input);
 
 	usb_set_intfdata(intf, acecad);
 
 	return 0;
 
  fail2:	usb_buffer_free(dev, 8, acecad->data, acecad->data_dma);
- fail1:	kfree(acecad);
+ fail1: input_free_device(input_dev);
+	kfree(acecad);
 	return -ENOMEM;
 }
 
···
 	usb_set_intfdata(intf, NULL);
 	if (acecad) {
 		usb_kill_urb(acecad->irq);
-		input_unregister_device(&acecad->dev);
+		input_unregister_device(acecad->input);
 		usb_free_urb(acecad->irq);
 		usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
 		kfree(acecad);

drivers/usb/input/aiptek.c

···
 };
 
 struct aiptek {
-	struct input_dev inputdev;		/* input device struct           */
+	struct input_dev *inputdev;		/* input device struct           */
 	struct usb_device *usbdev;		/* usb device struct             */
 	struct urb *urb;			/* urb for incoming reports      */
 	dma_addr_t data_dma;			/* our dma stuffage              */
···
 {
 	struct aiptek *aiptek = urb->context;
 	unsigned char *data = aiptek->data;
-	struct input_dev *inputdev = &aiptek->inputdev;
+	struct input_dev *inputdev = aiptek->inputdev;
 	int jitterable = 0;
 	int retval, macro, x, y, z, left, right, middle, p, dv, tip, bs, pck;
 
···
 	/* Query getXextension */
 	if ((ret = aiptek_query(aiptek, 0x01, 0x00)) < 0)
 		return ret;
-	aiptek->inputdev.absmin[ABS_X] = 0;
-	aiptek->inputdev.absmax[ABS_X] = ret - 1;
+	aiptek->inputdev->absmin[ABS_X] = 0;
+	aiptek->inputdev->absmax[ABS_X] = ret - 1;
 
 	/* Query getYextension */
 	if ((ret = aiptek_query(aiptek, 0x01, 0x01)) < 0)
 		return ret;
-	aiptek->inputdev.absmin[ABS_Y] = 0;
-	aiptek->inputdev.absmax[ABS_Y] = ret - 1;
+	aiptek->inputdev->absmin[ABS_Y] = 0;
+	aiptek->inputdev->absmax[ABS_Y] = ret - 1;
 
 	/* Query getPressureLevels */
 	if ((ret = aiptek_query(aiptek, 0x08, 0x00)) < 0)
 		return ret;
-	aiptek->inputdev.absmin[ABS_PRESSURE] = 0;
-	aiptek->inputdev.absmax[ABS_PRESSURE] = ret - 1;
+	aiptek->inputdev->absmin[ABS_PRESSURE] = 0;
+	aiptek->inputdev->absmax[ABS_PRESSURE] = ret - 1;
 
 	/* Depending on whether we are in absolute or relative mode, we will
 	 * do a switchToTablet(absolute) or switchToMouse(relative) command.
···
 		return 0;
 
 	return snprintf(buf, PAGE_SIZE, "%dx%d\n",
-			aiptek->inputdev.absmax[ABS_X] + 1,
-			aiptek->inputdev.absmax[ABS_Y] + 1);
+			aiptek->inputdev->absmax[ABS_X] + 1,
+			aiptek->inputdev->absmax[ABS_Y] + 1);
 }
 
 /* These structs define the sysfs files, param #1 is the name of the
···
 		return 0;
 
 	return snprintf(buf, PAGE_SIZE, "0x%04x\n",
-			aiptek->inputdev.id.product);
+			aiptek->inputdev->id.product);
 }
 
 static DEVICE_ATTR(product_id, S_IRUGO, show_tabletProductId, NULL);
···
 	if (aiptek == NULL)
 		return 0;
 
-	return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->inputdev.id.vendor);
+	return snprintf(buf, PAGE_SIZE, "0x%04x\n", aiptek->inputdev->id.vendor);
 }
 
 static DEVICE_ATTR(vendor_id, S_IRUGO, show_tabletVendorId, NULL);
···
 	struct input_dev *inputdev;
 	struct input_handle *inputhandle;
 	struct list_head *node, *next;
-	char path[64 + 1];
 	int i;
 	int speeds[] = { 0,
 		AIPTEK_PROGRAMMABLE_DELAY_50,
···
 	 */
 	speeds[0] = programmableDelay;
 
-	if ((aiptek = kmalloc(sizeof(struct aiptek), GFP_KERNEL)) == NULL)
-		return -ENOMEM;
-	memset(aiptek, 0, sizeof(struct aiptek));
+	aiptek = kzalloc(sizeof(struct aiptek), GFP_KERNEL);
+	inputdev = input_allocate_device();
+	if (!aiptek || !inputdev)
+		goto fail1;
 
 	aiptek->data = usb_buffer_alloc(usbdev, AIPTEK_PACKET_LENGTH,
 					SLAB_ATOMIC, &aiptek->data_dma);
-	if (aiptek->data == NULL) {
-		kfree(aiptek);
-		return -ENOMEM;
-	}
+	if (!aiptek->data)
+		goto fail1;
 
 	aiptek->urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (aiptek->urb == NULL) {
-		usb_buffer_free(usbdev, AIPTEK_PACKET_LENGTH, aiptek->data,
-				aiptek->data_dma);
-		kfree(aiptek);
-		return -ENOMEM;
-	}
+	if (!aiptek->urb)
+		goto fail2;
+
+	aiptek->inputdev = inputdev;
+	aiptek->usbdev = usbdev;
+	aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber;
+	aiptek->inDelay = 0;
+	aiptek->endDelay = 0;
+	aiptek->previousJitterable = 0;
 
 	/* Set up the curSettings struct. Said struct contains the current
 	 * programmable parameters. The newSetting struct contains changes
···
 
 	/* Both structs should have equivalent settings
 	 */
-	memcpy(&aiptek->newSetting, &aiptek->curSetting,
-	       sizeof(struct aiptek_settings));
+	aiptek->newSetting = aiptek->curSetting;
+
+	/* Determine the usb devices' physical path.
+	 * Asketh not why we always pretend we're using "../input0",
+	 * but I suspect this will have to be refactored one
+	 * day if a single USB device can be a keyboard & a mouse
+	 * & a tablet, and the inputX number actually will tell
+	 * us something...
+	 */
+	usb_make_path(usbdev, aiptek->features.usbPath,
+			sizeof(aiptek->features.usbPath));
+	strlcat(aiptek->features.usbPath, "/input0",
+		sizeof(aiptek->features.usbPath));
+
+	/* Set up client data, pointers to open and close routines
+	 * for the input device.
+	 */
+	inputdev->name = "Aiptek";
+	inputdev->phys = aiptek->features.usbPath;
+	usb_to_input_id(usbdev, &inputdev->id);
+	inputdev->cdev.dev = &intf->dev;
+	inputdev->private = aiptek;
+	inputdev->open = aiptek_open;
+	inputdev->close = aiptek_close;
 
 	/* Now program the capacities of the tablet, in terms of being
 	 * an input device.
 	 */
-	aiptek->inputdev.evbit[0] |= BIT(EV_KEY)
+	inputdev->evbit[0] |= BIT(EV_KEY)
 	    | BIT(EV_ABS)
 	    | BIT(EV_REL)
 	    | BIT(EV_MSC);
 
-	aiptek->inputdev.absbit[0] |=
-	    (BIT(ABS_X) |
-	     BIT(ABS_Y) |
-	     BIT(ABS_PRESSURE) |
-	     BIT(ABS_TILT_X) |
-	     BIT(ABS_TILT_Y) | BIT(ABS_WHEEL) | BIT(ABS_MISC));
+	inputdev->absbit[0] |= BIT(ABS_MISC);
 
-	aiptek->inputdev.relbit[0] |=
+	inputdev->relbit[0] |=
 	    (BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL) | BIT(REL_MISC));
 
-	aiptek->inputdev.keybit[LONG(BTN_LEFT)] |=
+	inputdev->keybit[LONG(BTN_LEFT)] |=
 	    (BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE));
 
-	aiptek->inputdev.keybit[LONG(BTN_DIGI)] |=
+	inputdev->keybit[LONG(BTN_DIGI)] |=
 	    (BIT(BTN_TOOL_PEN) |
 	     BIT(BTN_TOOL_RUBBER) |
 	     BIT(BTN_TOOL_PENCIL) |
···
 	     BIT(BTN_TOOL_LENS) |
 	     BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2));
 
-	aiptek->inputdev.mscbit[0] = BIT(MSC_SERIAL);
+	inputdev->mscbit[0] = BIT(MSC_SERIAL);
 
 	/* Programming the tablet macro keys needs to be done with a for loop
 	 * as the keycodes are discontiguous.
 	 */
 	for (i = 0; i < sizeof(macroKeyEvents) / sizeof(macroKeyEvents[0]); ++i)
-		set_bit(macroKeyEvents[i], aiptek->inputdev.keybit);
+		set_bit(macroKeyEvents[i], inputdev->keybit);
 
-	/* Set up client data, pointers to open and close routines
-	 * for the input device.
-	 */
-	aiptek->inputdev.private = aiptek;
-	aiptek->inputdev.open = aiptek_open;
-	aiptek->inputdev.close = aiptek_close;
-
-	/* Determine the usb devices' physical path.
-	 * Asketh not why we always pretend we're using "../input0",
-	 * but I suspect this will have to be refactored one
-	 * day if a single USB device can be a keyboard & a mouse
-	 * & a tablet, and the inputX number actually will tell
-	 * us something...
-	 */
-	if (usb_make_path(usbdev, path, 64) > 0)
-		sprintf(aiptek->features.usbPath, "%s/input0", path);
-
-	/* Program the input device coordinate capacities. We do not yet
+	/*
+	 * Program the input device coordinate capacities. We do not yet
 	 * know what maximum X, Y, and Z values are, so we're putting fake
 	 * values in. Later, we'll ask the tablet to put in the correct
 	 * values.
 	 */
-	aiptek->inputdev.absmin[ABS_X] = 0;
-	aiptek->inputdev.absmax[ABS_X] = 2999;
-	aiptek->inputdev.absmin[ABS_Y] = 0;
-	aiptek->inputdev.absmax[ABS_Y] = 2249;
-	aiptek->inputdev.absmin[ABS_PRESSURE] = 0;
-	aiptek->inputdev.absmax[ABS_PRESSURE] = 511;
-	aiptek->inputdev.absmin[ABS_TILT_X] = AIPTEK_TILT_MIN;
-	aiptek->inputdev.absmax[ABS_TILT_X] = AIPTEK_TILT_MAX;
-	aiptek->inputdev.absmin[ABS_TILT_Y] = AIPTEK_TILT_MIN;
-	aiptek->inputdev.absmax[ABS_TILT_Y] = AIPTEK_TILT_MAX;
-	aiptek->inputdev.absmin[ABS_WHEEL] = AIPTEK_WHEEL_MIN;
-	aiptek->inputdev.absmax[ABS_WHEEL] = AIPTEK_WHEEL_MAX - 1;
-	aiptek->inputdev.absfuzz[ABS_X] = 0;
-	aiptek->inputdev.absfuzz[ABS_Y] = 0;
-	aiptek->inputdev.absfuzz[ABS_PRESSURE] = 0;
-	aiptek->inputdev.absfuzz[ABS_TILT_X] = 0;
-	aiptek->inputdev.absfuzz[ABS_TILT_Y] = 0;
-	aiptek->inputdev.absfuzz[ABS_WHEEL] = 0;
-	aiptek->inputdev.absflat[ABS_X] = 0;
-	aiptek->inputdev.absflat[ABS_Y] = 0;
-	aiptek->inputdev.absflat[ABS_PRESSURE] = 0;
-	aiptek->inputdev.absflat[ABS_TILT_X] = 0;
-	aiptek->inputdev.absflat[ABS_TILT_Y] = 0;
-	aiptek->inputdev.absflat[ABS_WHEEL] = 0;
-	aiptek->inputdev.name = "Aiptek";
-	aiptek->inputdev.phys = aiptek->features.usbPath;
-	usb_to_input_id(usbdev, &aiptek->inputdev.id);
-	aiptek->inputdev.dev = &intf->dev;
-
-	aiptek->usbdev = usbdev;
-	aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber;
-	aiptek->inDelay = 0;
-	aiptek->endDelay = 0;
-	aiptek->previousJitterable = 0;
+	input_set_abs_params(inputdev, ABS_X, 0, 2999, 0, 0);
+	input_set_abs_params(inputdev, ABS_X, 0, 2249, 0, 0);
+	input_set_abs_params(inputdev, ABS_PRESSURE, 0, 511, 0, 0);
+	input_set_abs_params(inputdev, ABS_TILT_X, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
+	input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
+	input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
 
 	endpoint = &intf->altsetting[0].endpoint[0].desc;
 
···
 	aiptek->urb->transfer_dma = aiptek->data_dma;
 	aiptek->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-	/* Register the tablet as an Input Device
-	 */
-	input_register_device(&aiptek->inputdev);
-
-	/* We now will look for the evdev device which is mapped to
-	 * the tablet. The partial name is kept in the link list of
-	 * input_handles associated with this input device.
-	 * What identifies an evdev input_handler is that it begins
-	 * with 'event', continues with a digit, and that in turn
-	 * is mapped to /{devfs}/input/eventN.
-	 */
-	inputdev = &aiptek->inputdev;
-	list_for_each_safe(node, next, &inputdev->h_list) {
-		inputhandle = to_handle(node);
-		if (strncmp(inputhandle->name, "event", 5) == 0) {
-			strcpy(aiptek->features.inputPath, inputhandle->name);
-			break;
-		}
-	}
-
-	info("input: Aiptek on %s (%s)\n", path, aiptek->features.inputPath);
-
 	/* Program the tablet. This sets the tablet up in the mode
 	 * specified in newSetting, and also queries the tablet's
 	 * physical capacities.
···
 	for (i = 0; i < sizeof(speeds) / sizeof(speeds[0]); ++i) {
 		aiptek->curSetting.programmableDelay = speeds[i];
 		(void)aiptek_program_tablet(aiptek);
-		if (aiptek->inputdev.absmax[ABS_X] > 0) {
+		if (aiptek->inputdev->absmax[ABS_X] > 0) {
 			info("input: Aiptek using %d ms programming speed\n",
 			     aiptek->curSetting.programmableDelay);
+			break;
+		}
+	}
+
+	/* Register the tablet as an Input Device
+	 */
+	input_register_device(aiptek->inputdev);
+
+	/* We now will look for the evdev device which is mapped to
+	 * the tablet. The partial name is kept in the link list of
+	 * input_handles associated with this input device.
+	 * What identifies an evdev input_handler is that it begins
+	 * with 'event', continues with a digit, and that in turn
+	 * is mapped to /{devfs}/input/eventN.
+	 */
+	list_for_each_safe(node, next, &inputdev->h_list) {
+		inputhandle = to_handle(node);
+		if (strncmp(inputhandle->name, "event", 5) == 0) {
+			strcpy(aiptek->features.inputPath, inputhandle->name);
 			break;
 		}
 	}
···
 		info("aiptek: error loading 'evdev' module");
 
 	return 0;
+
+fail2:	usb_buffer_free(usbdev, AIPTEK_PACKET_LENGTH, aiptek->data,
+			aiptek->data_dma);
+fail1:	input_free_device(inputdev);
+	kfree(aiptek);
+	return -ENOMEM;
 }
 
 /* Forward declaration */
···
 		/* Free & unhook everything from the system.
 		 */
 		usb_kill_urb(aiptek->urb);
-		input_unregister_device(&aiptek->inputdev);
+		input_unregister_device(aiptek->inputdev);
 		aiptek_delete_files(&intf->dev);
 		usb_free_urb(aiptek->urb);
 		usb_buffer_free(interface_to_usbdev(intf),

drivers/usb/input/appletouch.c

···
 #define APPLE_VENDOR_ID		0x05AC
 
 #define ATP_DEVICE(prod)					\
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |   		\
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |		\
 		       USB_DEVICE_ID_MATCH_INT_CLASS |		\
 		       USB_DEVICE_ID_MATCH_INT_PROTOCOL,	\
 	.idVendor = APPLE_VENDOR_ID,				\
···
  * We try to keep the touchpad aspect ratio while still doing only simple
  * arithmetics.
  * The factors below give coordinates like:
- * 	0 <= x <  960 on 12" and 15" Powerbooks
- * 	0 <= x < 1600 on 17" Powerbooks
- * 	0 <= y <  646
+ *	0 <= x <  960 on 12" and 15" Powerbooks
+ *	0 <= x < 1600 on 17" Powerbooks
+ *	0 <= y <  646
  */
 #define ATP_XFACT	64
 #define ATP_YFACT	43
···
 
 /* Structure to hold all of our device specific stuff */
 struct atp {
+	char			phys[64];
 	struct usb_device *	udev;		/* usb device */
 	struct urb *		urb;		/* usb request block */
 	signed char *		data;		/* transferred data */
 	int			open;		/* non-zero if opened */
-	struct input_dev	input;		/* input dev */
+	struct input_dev	*input;		/* input dev */
 	int			valid;		/* are the sensors valid ? */
 	int			x_old;		/* last reported x/y, */
 	int			y_old;		/* used for smoothing */
···
 		int i;							\
 		printk("appletouch: %s %lld", msg, (long long)jiffies); \
 		for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++)	\
-			printk(" %02x", tab[i]); 			\
-		printk("\n"); 						\
+			printk(" %02x", tab[i]);			\
+		printk("\n");						\
 	}
 
-#define dprintk(format, a...) 						\
+#define dprintk(format, a...)						\
 	do {								\
 		if (debug) printk(format, ##a);				\
 	} while (0)
···
 		for (i = 16; i < ATP_XSENSORS; i++)
 			if (dev->xy_cur[i]) {
 				printk("appletouch: 17\" model detected.\n");
-				input_set_abs_params(&dev->input, ABS_X, 0,
-				     		     (ATP_XSENSORS - 1) *
+				input_set_abs_params(dev->input, ABS_X, 0,
+						     (ATP_XSENSORS - 1) *
 						     ATP_XFACT - 1,
 						     ATP_FUZZ, 0);
 				break;
···
 				       "Xz: %3d Yz: %3d\n",
 				       x, y, x_z, y_z);
 
-			input_report_key(&dev->input, BTN_TOUCH, 1);
-			input_report_abs(&dev->input, ABS_X, x);
-			input_report_abs(&dev->input, ABS_Y, y);
-			input_report_abs(&dev->input, ABS_PRESSURE,
+			input_report_key(dev->input, BTN_TOUCH, 1);
+			input_report_abs(dev->input, ABS_X, x);
+			input_report_abs(dev->input, ABS_Y, y);
+			input_report_abs(dev->input, ABS_PRESSURE,
 					 min(ATP_PRESSURE, x_z + y_z));
-			atp_report_fingers(&dev->input, max(x_f, y_f));
+			atp_report_fingers(dev->input, max(x_f, y_f));
 		}
 		dev->x_old = x;
 		dev->y_old = y;
···
 	else if (!x && !y) {
 
 		dev->x_old = dev->y_old = -1;
-		input_report_key(&dev->input, BTN_TOUCH, 0);
-		input_report_abs(&dev->input, ABS_PRESSURE, 0);
-		atp_report_fingers(&dev->input, 0);
+		input_report_key(dev->input, BTN_TOUCH, 0);
+		input_report_abs(dev->input, ABS_PRESSURE, 0);
+		atp_report_fingers(dev->input, 0);
 
 		/* reset the accumulator on release */
 		memset(dev->xy_acc, 0, sizeof(dev->xy_acc));
 	}
 
-	input_report_key(&dev->input, BTN_LEFT, !!dev->data[80]);
+	input_report_key(dev->input, BTN_LEFT, !!dev->data[80]);
 
-	input_sync(&dev->input);
+	input_sync(dev->input);
 
 exit:
 	retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
···
 
 static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id)
 {
-	struct atp *dev = NULL;
+	struct atp *dev;
+	struct input_dev *input_dev;
+	struct usb_device *udev = interface_to_usbdev(iface);
 	struct usb_host_interface *iface_desc;
 	struct usb_endpoint_descriptor *endpoint;
 	int int_in_endpointAddr = 0;
 	int i, retval = -ENOMEM;
 
-	/* allocate memory for our device state and initialize it */
-	dev = kmalloc(sizeof(struct atp), GFP_KERNEL);
-	if (dev == NULL) {
-		err("Out of memory");
-		goto err_kmalloc;
-	}
-	memset(dev, 0, sizeof(struct atp));
-
-	dev->udev = interface_to_usbdev(iface);
 
 	/* set up the endpoint information */
 	/* use only the first interrupt-in endpoint */
···
 		}
 	}
 	if (!int_in_endpointAddr) {
-		retval = -EIO;
 		err("Could not find int-in endpoint");
-		goto err_endpoint;
+		return -EIO;
 	}
 
-	/* save our data pointer in this interface device */
-	usb_set_intfdata(iface, dev);
+	/* allocate memory for our device state and initialize it */
+	dev = kzalloc(sizeof(struct atp), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!dev || !input_dev) {
+		err("Out of memory");
+		goto err_free_devs;
+	}
+
+	dev->udev = udev;
+	dev->input = input_dev;
 
 	dev->urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!dev->urb) {
 		retval = -ENOMEM;
-		goto err_usballoc;
+		goto err_free_devs;
 	}
+
 	dev->data = usb_buffer_alloc(dev->udev, ATP_DATASIZE, GFP_KERNEL,
 				     &dev->urb->transfer_dma);
 	if (!dev->data) {
 		retval = -ENOMEM;
-		goto err_usbbufalloc;
+		goto err_free_urb;
 	}
-	usb_fill_int_urb(dev->urb, dev->udev,
-			 usb_rcvintpipe(dev->udev, int_in_endpointAddr),
+
+	usb_fill_int_urb(dev->urb, udev,
+			 usb_rcvintpipe(udev, int_in_endpointAddr),
 			 dev->data, ATP_DATASIZE, atp_complete, dev, 1);
 
-	init_input_dev(&dev->input);
-	dev->input.name = "appletouch";
-	dev->input.dev = &iface->dev;
-	dev->input.private = dev;
-	dev->input.open = atp_open;
-	dev->input.close = atp_close;
+	usb_make_path(udev, dev->phys, sizeof(dev->phys));
+	strlcat(dev->phys, "/input0", sizeof(dev->phys));
 
-	usb_to_input_id(dev->udev, &dev->input.id);
+	input_dev->name = "appletouch";
+	input_dev->phys = dev->phys;
+	usb_to_input_id(dev->udev, &input_dev->id);
+	input_dev->cdev.dev = &iface->dev;
 
-	set_bit(EV_ABS, dev->input.evbit);
+	input_dev->private = dev;
+	input_dev->open = atp_open;
+	input_dev->close = atp_close;
+
+	set_bit(EV_ABS, input_dev->evbit);
 
 	/*
 	 * 12" and 15" Powerbooks only have 16 x sensors,
 	 * 17" models are detected later.
 	 */
-	input_set_abs_params(&dev->input, ABS_X, 0,
+	input_set_abs_params(input_dev, ABS_X, 0,
 			     (16 - 1) * ATP_XFACT - 1, ATP_FUZZ, 0);
-	input_set_abs_params(&dev->input, ABS_Y, 0,
+	input_set_abs_params(input_dev, ABS_Y, 0,
 			     (ATP_YSENSORS - 1) * ATP_YFACT - 1, ATP_FUZZ, 0);
-	input_set_abs_params(&dev->input, ABS_PRESSURE, 0, ATP_PRESSURE, 0, 0);
+	input_set_abs_params(input_dev, ABS_PRESSURE, 0, ATP_PRESSURE, 0, 0);
 
-	set_bit(EV_KEY, dev->input.evbit);
-	set_bit(BTN_TOUCH, dev->input.keybit);
-	set_bit(BTN_TOOL_FINGER, dev->input.keybit);
-	set_bit(BTN_TOOL_DOUBLETAP, dev->input.keybit);
-	set_bit(BTN_TOOL_TRIPLETAP, dev->input.keybit);
-	set_bit(BTN_LEFT, dev->input.keybit);
+	set_bit(EV_KEY, input_dev->evbit);
+	set_bit(BTN_TOUCH, input_dev->keybit);
+	set_bit(BTN_TOOL_FINGER, input_dev->keybit);
+	set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
+	set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
+	set_bit(BTN_LEFT, input_dev->keybit);
 
-	input_register_device(&dev->input);
+	input_register_device(dev->input);
 
-	printk(KERN_INFO "input: appletouch connected\n");
+	/* save our data pointer in this interface device */
+	usb_set_intfdata(iface, dev);
 
 	return 0;
 
-err_usbbufalloc:
+ err_free_urb:
 	usb_free_urb(dev->urb);
-err_usballoc:
+ err_free_devs:
 	usb_set_intfdata(iface, NULL);
-err_endpoint:
 	kfree(dev);
-err_kmalloc:
+	input_free_device(input_dev);
 	return retval;
 }
 
···
 	usb_set_intfdata(iface, NULL);
 	if (dev) {
 		usb_kill_urb(dev->urb);
-		input_unregister_device(&dev->input);
+		input_unregister_device(dev->input);
 		usb_free_urb(dev->urb);
 		usb_buffer_free(dev->udev, ATP_DATASIZE,
 				dev->data, dev->urb->transfer_dma);

drivers/usb/input/ati_remote.c

···
 
 #define NAME_BUFSIZE      80    /* size of product name, path buffers */
 #define DATA_BUFSIZE      63    /* size of URB data buffers */
-#define ATI_INPUTNUM      1     /* Which input device to register as */
 
 static unsigned long channel_mask;
 module_param(channel_mask, ulong, 0444);
···
 static DECLARE_MUTEX(disconnect_sem);
 
 struct ati_remote {
-	struct input_dev idev;
+	struct input_dev *idev;
 	struct usb_device *udev;
 	struct usb_interface *interface;
 
···
 #define KIND_ACCEL      7   /* Directional keypad - left, right, up, down.*/
 
 /* Translation table from hardware messages to input events. */
-static struct
-{
+static struct {
 	short kind;
 	unsigned char data1, data2;
 	int type;
 	unsigned int code;
 	int value;
-}  ati_remote_tbl[] =
-{
+}  ati_remote_tbl[] = {
 	/* Directional control pad axes */
 	{KIND_ACCEL,   0x35, 0x70, EV_REL, REL_X, -1},	 /* left */
 	{KIND_ACCEL,   0x36, 0x71, EV_REL, REL_X, 1},    /* right */
···
 
 /* Local function prototypes */
 static void ati_remote_dump		(unsigned char *data, unsigned int actual_length);
-static void ati_remote_delete		(struct ati_remote *dev);
 static int ati_remote_open		(struct input_dev *inputdev);
 static void ati_remote_close		(struct input_dev *inputdev);
 static int ati_remote_sendpacket	(struct ati_remote *ati_remote, u16 cmd, unsigned char *data);
···
 {
 	struct ati_remote *ati_remote = urb->context;
 	unsigned char *data= ati_remote->inbuf;
-	struct input_dev *dev = &ati_remote->idev;
+	struct input_dev *dev = ati_remote->idev;
 	int index, acc;
 	int remote_num;
 
···
 }
 
 /*
- *	ati_remote_delete
+ *	ati_remote_alloc_buffers
  */
-static void ati_remote_delete(struct ati_remote *ati_remote)
+static int ati_remote_alloc_buffers(struct usb_device *udev,
+				    struct ati_remote *ati_remote)
+{
+	ati_remote->inbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, SLAB_ATOMIC,
+					     &ati_remote->inbuf_dma);
+	if (!ati_remote->inbuf)
+		return -1;
+
+	ati_remote->outbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, SLAB_ATOMIC,
+					      &ati_remote->outbuf_dma);
+	if (!ati_remote->outbuf)
+		return -1;
+
+	ati_remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!ati_remote->irq_urb)
+		return -1;
+
+	ati_remote->out_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!ati_remote->out_urb)
+		return -1;
+
+	return 0;
+}
+
+/*
+ *	ati_remote_free_buffers
+ */
+static void ati_remote_free_buffers(struct ati_remote *ati_remote)
 {
 	if (ati_remote->irq_urb)
-		usb_kill_urb(ati_remote->irq_urb);
+		usb_free_urb(ati_remote->irq_urb);
 
 	if (ati_remote->out_urb)
-		usb_kill_urb(ati_remote->out_urb);
-
-	input_unregister_device(&ati_remote->idev);
+		usb_free_urb(ati_remote->out_urb);
 
 	if (ati_remote->inbuf)
 		usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
···
 
 	if (ati_remote->outbuf)
 		usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
-				ati_remote->outbuf, ati_remote->outbuf_dma);
-
-	if (ati_remote->irq_urb)
-		usb_free_urb(ati_remote->irq_urb);
-
-	if (ati_remote->out_urb)
-		usb_free_urb(ati_remote->out_urb);
-
-	kfree(ati_remote);
+				ati_remote->inbuf, ati_remote->outbuf_dma);
 }
 
 static void ati_remote_input_init(struct ati_remote *ati_remote)
 {
-	struct input_dev *idev = &(ati_remote->idev);
+	struct input_dev *idev = ati_remote->idev;
 	int i;
 
 	idev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
···
 	idev->phys = ati_remote->phys;
 
 	usb_to_input_id(ati_remote->udev, &idev->id);
-	idev->dev = &ati_remote->udev->dev;
+	idev->cdev.dev = &ati_remote->udev->dev;
 }
 
 static int ati_remote_initialize(struct ati_remote *ati_remote)
···
 	    (ati_remote_sendpacket(ati_remote, 0x8007, init2))) {
 		dev_err(&ati_remote->interface->dev,
 			 "Initializing ati_remote hardware failed.\n");
-		return 1;
+		return -EIO;
 	}
 
 	return 0;
···
 static int ati_remote_probe(struct usb_interface *interface, const struct usb_device_id *id)
 {
 	struct usb_device *udev = interface_to_usbdev(interface);
-	struct ati_remote *ati_remote = NULL;
-	struct usb_host_interface *iface_host;
-	int retval = -ENOMEM;
-	char path[64];
+	struct usb_host_interface *iface_host = interface->cur_altsetting;
+	struct usb_endpoint_descriptor *endpoint_in, *endpoint_out;
+	struct ati_remote *ati_remote;
+	struct input_dev *input_dev;
+	int err = -ENOMEM;
 
-	/* Allocate and clear an ati_remote struct */
-	if (!(ati_remote = kmalloc(sizeof (struct ati_remote), GFP_KERNEL)))
-		return -ENOMEM;
-	memset(ati_remote, 0x00, sizeof (struct ati_remote));
-
-	iface_host = interface->cur_altsetting;
 	if (iface_host->desc.bNumEndpoints != 2) {
 		err("%s: Unexpected desc.bNumEndpoints\n", __FUNCTION__);
-		retval = -ENODEV;
-		goto error;
+		return -ENODEV;
 	}
 
-	ati_remote->endpoint_in = &(iface_host->endpoint[0].desc);
-	ati_remote->endpoint_out = &(iface_host->endpoint[1].desc);
-	ati_remote->udev = udev;
-	ati_remote->interface = interface;
+	endpoint_in = &iface_host->endpoint[0].desc;
+	endpoint_out = &iface_host->endpoint[1].desc;
 
-	if (!(ati_remote->endpoint_in->bEndpointAddress & 0x80)) {
+	if (!(endpoint_in->bEndpointAddress & USB_DIR_IN)) {
 		err("%s: Unexpected endpoint_in->bEndpointAddress\n", __FUNCTION__);
-		retval = -ENODEV;
-		goto error;
+		return -ENODEV;
 	}
-	if ((ati_remote->endpoint_in->bmAttributes & 3) != 3) {
+	if ((endpoint_in->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) {
 		err("%s: Unexpected endpoint_in->bmAttributes\n", __FUNCTION__);
-		retval = -ENODEV;
-		goto error;
+		return -ENODEV;
 	}
-	if (le16_to_cpu(ati_remote->endpoint_in->wMaxPacketSize) == 0) {
+	if (le16_to_cpu(endpoint_in->wMaxPacketSize) == 0) {
 		err("%s: endpoint_in message size==0? \n", __FUNCTION__);
-		retval = -ENODEV;
-		goto error;
+		return -ENODEV;
 	}
+
+	ati_remote = kzalloc(sizeof (struct ati_remote), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!ati_remote || !input_dev)
+		goto fail1;
 
 	/* Allocate URB buffers, URBs */
-	ati_remote->inbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, SLAB_ATOMIC,
-					     &ati_remote->inbuf_dma);
-	if (!ati_remote->inbuf)
-		goto error;
+	if (ati_remote_alloc_buffers(udev, ati_remote))
+		goto fail2;
 
-	ati_remote->outbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, SLAB_ATOMIC,
-					      &ati_remote->outbuf_dma);
-	if (!ati_remote->outbuf)
-		goto error;
+	ati_remote->endpoint_in = endpoint_in;
+	ati_remote->endpoint_out = endpoint_out;
+	ati_remote->udev = udev;
+	ati_remote->idev = input_dev;
+	ati_remote->interface = interface;
 
-	ati_remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!ati_remote->irq_urb)
-		goto error;
+	usb_make_path(udev, ati_remote->phys, sizeof(ati_remote->phys));
+	strlcpy(ati_remote->phys, "/input0", sizeof(ati_remote->phys));
 
-	ati_remote->out_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!ati_remote->out_urb)
-		goto error;
-
-	usb_make_path(udev, path, NAME_BUFSIZE);
-	sprintf(ati_remote->phys, "%s/input%d", path, ATI_INPUTNUM);
 	if (udev->manufacturer)
-		strcat(ati_remote->name, udev->manufacturer);
+		strlcpy(ati_remote->name, udev->manufacturer, sizeof(ati_remote->name));
 
 	if (udev->product)
-		sprintf(ati_remote->name, "%s %s", ati_remote->name, udev->product);
+		snprintf(ati_remote->name, sizeof(ati_remote->name),
+			 "%s %s", ati_remote->name, udev->product);
 
 	if (!strlen(ati_remote->name))
-		sprintf(ati_remote->name, DRIVER_DESC "(%04x,%04x)",
+		snprintf(ati_remote->name, sizeof(ati_remote->name),
+			DRIVER_DESC "(%04x,%04x)",
 			le16_to_cpu(ati_remote->udev->descriptor.idVendor),
 			le16_to_cpu(ati_remote->udev->descriptor.idProduct));
 
+	ati_remote_input_init(ati_remote);
+
 	/* Device Hardware Initialization - fills in ati_remote->idev from udev. */
-	retval = ati_remote_initialize(ati_remote);
-	if (retval)
-		goto error;
+	err = ati_remote_initialize(ati_remote);
+	if (err)
+		goto fail3;
 
 	/* Set up and register input device */
-	ati_remote_input_init(ati_remote);
-	input_register_device(&ati_remote->idev);
-
-	dev_info(&ati_remote->interface->dev, "Input registered: %s on %s\n",
-		 ati_remote->name, path);
+	input_register_device(ati_remote->idev);
 
 	usb_set_intfdata(interface, ati_remote);
+	return 0;
 
-error:
-	if (retval)
-		ati_remote_delete(ati_remote);
-
-	return retval;
+fail3:	usb_kill_urb(ati_remote->irq_urb);
+	usb_kill_urb(ati_remote->out_urb);
+fail2:	ati_remote_free_buffers(ati_remote);
+fail1:	input_free_device(input_dev);
+	kfree(ati_remote);
+	return err;
 }
 
 /*
···
 		return;
 	}
 
-	ati_remote_delete(ati_remote);
+	usb_kill_urb(ati_remote->irq_urb);
+	usb_kill_urb(ati_remote->out_urb);
+	input_unregister_device(ati_remote->idev);
+	ati_remote_free_buffers(ati_remote);
+	kfree(ati_remote);
 }
 
 /*

drivers/usb/input/hid-core.c

···
 	struct hid_descriptor *hdesc;
 	struct hid_device *hid;
 	unsigned quirks = 0, rsize = 0;
-	char *buf, *rdesc;
-	int n, insize = 0;
+	char *rdesc;
+	int n, len, insize = 0;
 
 	for (n = 0; hid_blacklist[n].idVendor; n++)
 		if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
···
 	if (quirks & HID_QUIRK_IGNORE)
 		return NULL;
 
-	if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && ((!interface->desc.bNumEndpoints) ||
-		usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
-			dbg("class descriptor not present\n");
-			return NULL;
+	if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
+	    (!interface->desc.bNumEndpoints ||
+	     usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
+		dbg("class descriptor not present\n");
+		return NULL;
 	}
 
 	for (n = 0; n < hdesc->bNumDescriptors; n++)
···
 
 	hid->name[0] = 0;
 
-	if (!(buf = kmalloc(64, GFP_KERNEL)))
-		goto fail;
+	if (dev->manufacturer)
+		strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
 
-	if (dev->manufacturer) {
-		strcat(hid->name, dev->manufacturer);
-		if (dev->product)
-			snprintf(hid->name, 64, "%s %s", hid->name, dev->product);
-	} else if (dev->product) {
-			snprintf(hid->name, 128, "%s", dev->product);
-	} else
-		snprintf(hid->name, 128, "%04x:%04x",
-			le16_to_cpu(dev->descriptor.idVendor),
-			le16_to_cpu(dev->descriptor.idProduct));
+	if (dev->product) {
+		if (dev->manufacturer)
+			strlcat(hid->name, " ", sizeof(hid->name));
+		strlcat(hid->name, dev->product, sizeof(hid->name));
+	}
 
-	usb_make_path(dev, buf, 64);
-	snprintf(hid->phys, 64, "%s/input%d", buf,
-			intf->altsetting[0].desc.bInterfaceNumber);
+	if (!strlen(hid->name))
+		snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
+			 le16_to_cpu(dev->descriptor.idVendor),
+			 le16_to_cpu(dev->descriptor.idProduct));
+
+	usb_make_path(dev, hid->phys, sizeof(hid->phys));
+	strlcat(hid->phys, "/input", sizeof(hid->phys));
+	len = strlen(hid->phys);
+	if (len < sizeof(hid->phys) - 1)
+		snprintf(hid->phys + len, sizeof(hid->phys) - len,
+			 "%d", intf->altsetting[0].desc.bInterfaceNumber);
 
 	if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
 		hid->uniq[0] = 0;
 
-	kfree(buf);
-
 	hid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
 	if (!hid->urbctrl)
 		goto fail;
+
 	usb_fill_control_urb(hid->urbctrl, dev, 0, (void *) hid->cr,
 			     hid->ctrlbuf, 1, hid_ctrl, hid);
 	hid->urbctrl->setup_dma = hid->cr_dma;

drivers/usb/input/hid-input.c

···
 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 				     struct hid_usage *usage)
 {
-	struct input_dev *input = &hidinput->input;
-	struct hid_device *device = hidinput->input.private;
+	struct input_dev *input = hidinput->input;
+	struct hid_device *device = input->private;
 	int max = 0, code;
 	unsigned long *bit = NULL;
 
···
 
 	if (!field->hidinput)
 		return;
-	input = &field->hidinput->input;
+
+	input = field->hidinput->input;
 
 	input_regs(input, regs);
 
···
 
 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
 {
-	struct list_head *lh;
 	struct hid_input *hidinput;
 
-	list_for_each (lh, &hid->inputs) {
-		hidinput = list_entry(lh, struct hid_input, list);
-		input_sync(&hidinput->input);
-	}
+	list_for_each_entry(hidinput, &hid->inputs, list)
+		input_sync(hidinput->input);
 }
 
 static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
···
 	struct usb_device *dev = hid->dev;
 	struct hid_report *report;
 	struct hid_input *hidinput = NULL;
+	struct input_dev *input_dev;
 	int i, j, k;
 
 	INIT_LIST_HEAD(&hid->inputs);
···
 				continue;
 
 			if (!hidinput) {
-				hidinput = kmalloc(sizeof(*hidinput), GFP_KERNEL);
-				if (!hidinput) {
+				hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+				input_dev = input_allocate_device();
+				if (!hidinput || !input_dev) {
+					kfree(hidinput);
+					input_free_device(input_dev);
 					err("Out of memory during hid input probe");
 					return -1;
 				}
-				memset(hidinput, 0, sizeof(*hidinput));
 
+				input_dev->private = hid;
+				input_dev->event = hidinput_input_event;
+				input_dev->open = hidinput_open;
+				input_dev->close = hidinput_close;
+
+				input_dev->name = hid->name;
+				input_dev->phys = hid->phys;
+				input_dev->uniq = hid->uniq;
+				usb_to_input_id(dev, &input_dev->id);
+				input_dev->cdev.dev = &hid->intf->dev;
+
+				hidinput->input = input_dev;
 				list_add_tail(&hidinput->list, &hid->inputs);
-
-				hidinput->input.private = hid;
-				hidinput->input.event = hidinput_input_event;
-				hidinput->input.open = hidinput_open;
-				hidinput->input.close = hidinput_close;
-
-				hidinput->input.name = hid->name;
-				hidinput->input.phys = hid->phys;
-				hidinput->input.uniq = hid->uniq;
-				usb_to_input_id(dev, &hidinput->input.id);
-				hidinput->input.dev = &hid->intf->dev;
 			}
 
 			for (i = 0; i < report->maxfield; i++)
···
 				 * UGCI) cram a lot of unrelated inputs into the
 				 * same interface. */
 				hidinput->report = report;
-				input_register_device(&hidinput->input);
+				input_register_device(hidinput->input);
 				hidinput = NULL;
 			}
 		}
···
 	 * only useful in this case, and not for multi-input quirks. */
 	if (hidinput) {
 		hid_ff_init(hid);
-		input_register_device(&hidinput->input);
+		input_register_device(hidinput->input);
 	}
 
 	return 0;
···
 
 void hidinput_disconnect(struct hid_device *hid)
 {
-	struct list_head *lh, *next;
-	struct hid_input *hidinput;
+	struct hid_input *hidinput, *next;
 
-	list_for_each_safe(lh, next, &hid->inputs) {
-		hidinput = list_entry(lh, struct hid_input, list);
-		input_unregister_device(&hidinput->input);
+	list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
 		list_del(&hidinput->list);
+		input_unregister_device(hidinput->input);
 		kfree(hidinput);
 	}
 }

drivers/usb/input/hid-lgff.c

···
 	u16 idVendor = le16_to_cpu(hid->dev->descriptor.idVendor);
 	u16 idProduct = le16_to_cpu(hid->dev->descriptor.idProduct);
 	struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+	struct input_dev *input_dev = hidinput->input;
 
 	while (dev->idVendor && (idVendor != dev->idVendor || idProduct != dev->idProduct))
 		dev++;
 
-	ff = dev->ff;
+	for (ff = dev->ff; *ff >= 0; ff++)
+		set_bit(*ff, input_dev->ffbit);
 
-	while (*ff >= 0) {
-		set_bit(*ff, hidinput->input.ffbit);
-		++ff;
-	}
+	input_dev->upload_effect = hid_lgff_upload_effect;
+	input_dev->flush = hid_lgff_flush;
 
-	hidinput->input.upload_effect = hid_lgff_upload_effect;
-	hidinput->input.flush = hid_lgff_flush;
-
-	set_bit(EV_FF, hidinput->input.evbit);
-	hidinput->input.ff_effects_max = LGFF_EFFECTS;
+	set_bit(EV_FF, input_dev->evbit);
+	input_dev->ff_effects_max = LGFF_EFFECTS;
 }
 
 static void hid_lgff_exit(struct hid_device* hid)

drivers/usb/input/hid-tmff.c

···
 	struct tmff_device *private;
 	struct list_head *pos;
 	struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+	struct input_dev *input_dev = hidinput->input;
 
 	private = kmalloc(sizeof(struct tmff_device), GFP_KERNEL);
 	if (!private)
···
 					private->report = report;
 					private->rumble = field;
 
-					set_bit(FF_RUMBLE, hidinput->input.ffbit);
+					set_bit(FF_RUMBLE, input_dev->ffbit);
 					break;
 
 				default:
···
 			}
 
 			/* Fallthrough to here only when a valid usage is found */
-			hidinput->input.upload_effect = hid_tmff_upload_effect;
-			hidinput->input.flush = hid_tmff_flush;
+			input_dev->upload_effect = hid_tmff_upload_effect;
+			input_dev->flush = hid_tmff_flush;
 
-			set_bit(EV_FF, hidinput->input.evbit);
-			hidinput->input.ff_effects_max = TMFF_EFFECTS;
+			set_bit(EV_FF, input_dev->evbit);
+			input_dev->ff_effects_max = TMFF_EFFECTS;
 		}
 	}
 

drivers/usb/input/hid.h

···
 struct hid_input {
 	struct list_head list;
 	struct hid_report *report;
-	struct input_dev input;
+	struct input_dev *input;
 };
 
 struct hid_device {							/* device report descriptor */

drivers/usb/input/itmtouch.c

···
 
 struct itmtouch_dev {
 	struct usb_device	*usbdev; /* usb device */
-	struct input_dev	inputdev; /* input device */
+	struct input_dev	*inputdev; /* input device */
 	struct urb		*readurb; /* urb */
 	char			rbuf[ITM_BUFSIZE]; /* data */
 	int			users;
···
 
 static void itmtouch_irq(struct urb *urb, struct pt_regs *regs)
 {
-	struct itmtouch_dev * itmtouch = urb->context;
+	struct itmtouch_dev *itmtouch = urb->context;
 	unsigned char *data = urb->transfer_buffer;
-	struct input_dev *dev = &itmtouch->inputdev;
+	struct input_dev *dev = itmtouch->inputdev;
 	int retval;
 
 	switch (urb->status) {
···
 static int itmtouch_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct itmtouch_dev *itmtouch;
+	struct input_dev *input_dev;
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_device *udev = interface_to_usbdev(intf);
 	unsigned int pipe;
 	unsigned int maxp;
-	char path[PATH_SIZE];
 
 	interface = intf->cur_altsetting;
 	endpoint = &interface->endpoint[0].desc;
 
-	if (!(itmtouch = kzalloc(sizeof(struct itmtouch_dev), GFP_KERNEL))) {
+	itmtouch = kzalloc(sizeof(struct itmtouch_dev), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!itmtouch || !input_dev) {
 		err("%s - Out of memory.", __FUNCTION__);
-		return -ENOMEM;
+		goto fail;
 	}
 
 	itmtouch->usbdev = udev;
+	itmtouch->inputdev = input_dev;
 
-	itmtouch->inputdev.private = itmtouch;
-	itmtouch->inputdev.open = itmtouch_open;
-	itmtouch->inputdev.close = itmtouch_close;
+	if (udev->manufacturer)
+		strlcpy(itmtouch->name, udev->manufacturer, sizeof(itmtouch->name));
 
-	usb_make_path(udev, path, PATH_SIZE);
-
-	itmtouch->inputdev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-	itmtouch->inputdev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
-	itmtouch->inputdev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-
-	itmtouch->inputdev.name = itmtouch->name;
-	itmtouch->inputdev.phys = itmtouch->phys;
-	usb_to_input_id(udev, &itmtouch->inputdev.id);
-	itmtouch->inputdev.dev = &intf->dev;
+	if (udev->product) {
+		if (udev->manufacturer)
+			strlcat(itmtouch->name, " ", sizeof(itmtouch->name));
+		strlcat(itmtouch->name, udev->product, sizeof(itmtouch->name));
+	}
 
 	if (!strlen(itmtouch->name))
 		sprintf(itmtouch->name, "USB ITM touchscreen");
+
+	usb_make_path(udev, itmtouch->phys, sizeof(itmtouch->phys));
+	strlcpy(itmtouch->phys, "/input0", sizeof(itmtouch->phys));
+
+	input_dev->name = itmtouch->name;
+	input_dev->phys = itmtouch->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = itmtouch;
+
+	input_dev->open = itmtouch_open;
+	input_dev->close = itmtouch_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
+	input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
 
 	/* device limits */
 	/* as specified by the ITM datasheet, X and Y are 12bit,
 	 * Z (pressure) is 8 bit. However, the fields are defined up
 	 * to 14 bits for future possible expansion.
 	 */
-	input_set_abs_params(&itmtouch->inputdev, ABS_X, 0, 0x0FFF, 2, 0);
-	input_set_abs_params(&itmtouch->inputdev, ABS_Y, 0, 0x0FFF, 2, 0);
-	input_set_abs_params(&itmtouch->inputdev, ABS_PRESSURE, 0, 0xFF, 2, 0);
+	input_set_abs_params(input_dev, ABS_X, 0, 0x0FFF, 2, 0);
+	input_set_abs_params(input_dev, ABS_Y, 0, 0x0FFF, 2, 0);
+	input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xFF, 2, 0);
 
 	/* initialise the URB so we can read from the transport stream */
 	pipe = usb_rcvintpipe(itmtouch->usbdev, endpoint->bEndpointAddress);
···
 		maxp = ITM_BUFSIZE;
 
 	itmtouch->readurb = usb_alloc_urb(0, GFP_KERNEL);
-
 	if (!itmtouch->readurb) {
 		dbg("%s - usb_alloc_urb failed: itmtouch->readurb", __FUNCTION__);
-		kfree(itmtouch);
-		return -ENOMEM;
+		goto fail;
 	}
 
 	usb_fill_int_urb(itmtouch->readurb, itmtouch->usbdev, pipe, itmtouch->rbuf,
 			 maxp, itmtouch_irq, itmtouch, endpoint->bInterval);
 
-	input_register_device(&itmtouch->inputdev);
+	input_register_device(itmtouch->inputdev);
 
-	printk(KERN_INFO "itmtouch: %s registered on %s\n", itmtouch->name, path);
 	usb_set_intfdata(intf, itmtouch);
 
 	return 0;
+
+ fail:	input_free_device(input_dev);
+	kfree(itmtouch);
+	return -ENOMEM;
 }
 
 static void itmtouch_disconnect(struct usb_interface *intf)
···
 	usb_set_intfdata(intf, NULL);
 
 	if (itmtouch) {
-		input_unregister_device(&itmtouch->inputdev);
+		input_unregister_device(itmtouch->inputdev);
 		usb_kill_urb(itmtouch->readurb);
 		usb_free_urb(itmtouch->readurb);
 		kfree(itmtouch);

drivers/usb/input/kbtab.c

···
 struct kbtab {
 	signed char *data;
 	dma_addr_t data_dma;
-	struct input_dev dev;
+	struct input_dev *dev;
 	struct usb_device *usbdev;
 	struct urb *irq;
 	int x, y;
···
 {
 	struct kbtab *kbtab = urb->context;
 	unsigned char *data = kbtab->data;
-	struct input_dev *dev = &kbtab->dev;
+	struct input_dev *dev = kbtab->dev;
 	int retval;
 
 	switch (urb->status) {
···
 	struct usb_device *dev = interface_to_usbdev(intf);
 	struct usb_endpoint_descriptor *endpoint;
 	struct kbtab *kbtab;
-	char path[64];
+	struct input_dev *input_dev;
 
-	if (!(kbtab = kmalloc(sizeof(struct kbtab), GFP_KERNEL)))
-		return -ENOMEM;
-	memset(kbtab, 0, sizeof(struct kbtab));
+	kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!kbtab || !input_dev)
+		goto fail1;
 
 	kbtab->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &kbtab->data_dma);
-	if (!kbtab->data) {
-		kfree(kbtab);
-		return -ENOMEM;
-	}
+	if (!kbtab->data)
+		goto fail1;
 
 	kbtab->irq = usb_alloc_urb(0, GFP_KERNEL);
-	if (!kbtab->irq) {
-		usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
-		kfree(kbtab);
-		return -ENOMEM;
-	}
+	if (!kbtab->irq)
+		goto fail2;
 
-	kbtab->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_MSC);
-	kbtab->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
-
-	kbtab->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
-
-	kbtab->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH);
-
-	kbtab->dev.mscbit[0] |= BIT(MSC_SERIAL);
-
-	kbtab->dev.absmax[ABS_X] = 0x2000;
-	kbtab->dev.absmax[ABS_Y] = 0x1750;
-	kbtab->dev.absmax[ABS_PRESSURE] = 0xff;
-
-	kbtab->dev.absfuzz[ABS_X] = 4;
-	kbtab->dev.absfuzz[ABS_Y] = 4;
-
-	kbtab->dev.private = kbtab;
-	kbtab->dev.open = kbtab_open;
-	kbtab->dev.close = kbtab_close;
-
-	usb_make_path(dev, path, 64);
-	sprintf(kbtab->phys, "%s/input0", path);
-
-	kbtab->dev.name = "KB Gear Tablet";
-	kbtab->dev.phys = kbtab->phys;
-	usb_to_input_id(dev, &kbtab->dev.id);
-	kbtab->dev.dev = &intf->dev;
 	kbtab->usbdev = dev;
+	kbtab->dev = input_dev;
+
+	usb_make_path(dev, kbtab->phys, sizeof(kbtab->phys));
+	strlcat(kbtab->phys, "/input0", sizeof(kbtab->phys));
+
+	input_dev->name = "KB Gear Tablet";
+	input_dev->phys = kbtab->phys;
+	usb_to_input_id(dev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = kbtab;
+
+	input_dev->open = kbtab_open;
+	input_dev->close = kbtab_close;
+
+	input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_MSC);
+	input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
+	input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH);
+	input_dev->mscbit[0] |= BIT(MSC_SERIAL);
+	input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0);
+	input_set_abs_params(input_dev, ABS_X, 0, 0x1750, 4, 0);
+	input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0);
 
 	endpoint = &intf->cur_altsetting->endpoint[0].desc;
 
···
 	kbtab->irq->transfer_dma = kbtab->data_dma;
 	kbtab->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-	input_register_device(&kbtab->dev);
-
-	printk(KERN_INFO "input: KB Gear Tablet on %s\n",  path);
+	input_register_device(kbtab->dev);
 
 	usb_set_intfdata(intf, kbtab);
-
 	return 0;
+
+fail2:	usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
+fail1:	input_free_device(input_dev);
+	kfree(kbtab);
+	return -ENOMEM;
 }
 
 static void kbtab_disconnect(struct usb_interface *intf)
 {
-	struct kbtab *kbtab = usb_get_intfdata (intf);
+	struct kbtab *kbtab = usb_get_intfdata(intf);
 
 	usb_set_intfdata(intf, NULL);
 	if (kbtab) {
 		usb_kill_urb(kbtab->irq);
-		input_unregister_device(&kbtab->dev);
+		input_unregister_device(kbtab->dev);
 		usb_free_urb(kbtab->irq);
 		usb_buffer_free(interface_to_usbdev(intf), 10, kbtab->data, kbtab->data_dma);
 		kfree(kbtab);

drivers/usb/input/keyspan_remote.c

···
 #include <linux/moduleparam.h>
 #include <linux/input.h>
 #include <linux/usb.h>
+#include <linux/usb_input.h>
 
 #define DRIVER_VERSION	"v0.1"
 #define DRIVER_AUTHOR	"Michael Downey <[e-mail]>"
···
 	char				name[128];
 	char				phys[64];
 	struct usb_device*		udev;
-	struct input_dev		input;
+	struct input_dev		*input;
 	struct usb_interface*		interface;
 	struct usb_endpoint_descriptor* in_endpoint;
 	struct urb*			irq_urb;
···
  */
 static void keyspan_print(struct usb_keyspan* dev) /*unsigned char* data)*/
 {
-	char codes[4*RECV_SIZE];
+	char codes[4 * RECV_SIZE];
 	int i;
 
-	for (i = 0; i < RECV_SIZE; i++) {
-		snprintf(codes+i*3, 4, "%02x ", dev->in_buffer[i]);
-	}
+	for (i = 0; i < RECV_SIZE; i++)
+		snprintf(codes + i * 3, 4, "%02x ", dev->in_buffer[i]);
 
 	dev_info(&dev->udev->dev, "%s\n", codes);
 }
···
 static int keyspan_load_tester(struct usb_keyspan* dev, int bits_needed)
 {
 	if (dev->data.bits_left >= bits_needed)
-		return(0);
+		return 0;
 
 	/*
 	 * Somehow we've missed the last message. The message will be repeated
···
 	if (dev->data.pos >= dev->data.len) {
 		dev_dbg(&dev->udev, "%s - Error ran out of data. pos: %d, len: %d\n",
 			__FUNCTION__, dev->data.pos, dev->data.len);
-		return(-1);
+		return -1;
 	}
 
 	/* Load as much as we can into the tester. */
···
 		dev->data.bits_left += 8;
 	}
 
-	return(0);
+	return 0;
 }
 
 /*
···
 			__FUNCTION__, message.system, message.button, message.toggle);
 
 		if (message.toggle != remote->toggle) {
-			input_regs(&remote->input, regs);
-			input_report_key(&remote->input, keyspan_key_table[message.button], 1);
-			input_report_key(&remote->input, keyspan_key_table[message.button], 0);
-			input_sync(&remote->input);
+			input_regs(remote->input, regs);
+			input_report_key(remote->input, keyspan_key_table[message.button], 1);
+			input_report_key(remote->input, keyspan_key_table[message.button], 0);
+			input_sync(remote->input);
 			remote->toggle = message.toggle;
 		}
 
···
 {
 	struct usb_keyspan *remote = dev->private;
 
-	if (remote->open++)
-		return 0;
-
 	remote->irq_urb->dev = remote->udev;
-	if (usb_submit_urb(remote->irq_urb, GFP_KERNEL)) {
-		remote->open--;
+	if (usb_submit_urb(remote->irq_urb, GFP_KERNEL))
 		return -EIO;
-	}
 
 	return 0;
 }
···
 {
 	struct usb_keyspan *remote = dev->private;
 
-	if (!--remote->open)
-		usb_kill_urb(remote->irq_urb);
+	usb_kill_urb(remote->irq_urb);
+}
+
+static struct usb_endpoint_descriptor *keyspan_get_in_endpoint(struct usb_host_interface *iface)
+{
+
+	struct usb_endpoint_descriptor *endpoint;
+	int i;
+
+	for (i = 0; i < iface->desc.bNumEndpoints; ++i) {
+		endpoint = &iface->endpoint[i].desc;
+
+		if ((endpoint->bEndpointAddress & USB_DIR_IN) &&
+		    ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
+			/* we found our interrupt in endpoint */
+			return endpoint;
+		}
+	}
+
+	return NULL;
 }
 
 /*
···
  */
 static int keyspan_probe(struct usb_interface *interface, const struct usb_device_id *id)
 {
-	int i;
-	int retval = -ENOMEM;
-	char path[64];
-	char *buf;
-	struct usb_keyspan *remote = NULL;
-	struct usb_host_interface *iface_desc;
+	struct usb_device *udev = interface_to_usbdev(interface);
 	struct usb_endpoint_descriptor *endpoint;
-	struct usb_device *udev = usb_get_dev(interface_to_usbdev(interface));
+	struct usb_keyspan *remote;
+	struct input_dev *input_dev;
+	int i, retval;
 
-	/* allocate memory for our device state and initialize it */
-	remote = kmalloc(sizeof(*remote), GFP_KERNEL);
-	if (remote == NULL) {
-		err("Out of memory\n");
-		goto error;
+	endpoint = keyspan_get_in_endpoint(interface->cur_altsetting);
+	if (!endpoint)
+		return -ENODEV;
+
+	remote = kzalloc(sizeof(*remote), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!remote || !input_dev) {
+		retval = -ENOMEM;
+		goto fail1;
 	}
-	memset(remote, 0x00, sizeof(*remote));
 
 	remote->udev = udev;
+	remote->input = input_dev;
 	remote->interface = interface;
+	remote->in_endpoint = endpoint;
 	remote->toggle = -1;	/* Set to -1 so we will always not match the toggle from the first remote message. */
 
-	/* set up the endpoint information */
-	/* use only the first in interrupt endpoint */
-	iface_desc = interface->cur_altsetting;
-	for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
-		endpoint = &iface_desc->endpoint[i].desc;
-
-		if (!remote->in_endpoint &&
-		    (endpoint->bEndpointAddress & USB_DIR_IN) &&
-		    ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
-			/* we found our interrupt in endpoint */
-			remote->in_endpoint = endpoint;
-
-			remote->in_buffer = usb_buffer_alloc(remote->udev, RECV_SIZE, SLAB_ATOMIC, &remote->in_dma);
-			if (!remote->in_buffer) {
-				retval = -ENOMEM;
-				goto error;
-			}
-		}
-	}
-
-	if (!remote->in_endpoint) {
-		err("Could not find interrupt input endpoint.\n");
-		retval = -ENODEV;
-		goto error;
+	remote->in_buffer = usb_buffer_alloc(udev, RECV_SIZE, SLAB_ATOMIC, &remote->in_dma);
+	if (!remote->in_buffer) {
+		retval = -ENOMEM;
+		goto fail1;
 	}
 
 	remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!remote->irq_urb) {
-		err("Failed to allocate urb.\n");
 		retval = -ENOMEM;
-		goto error;
+		goto fail2;
 	}
 
-	retval = keyspan_setup(remote->udev);
+	retval = keyspan_setup(udev);
 	if (retval) {
-		err("Failed to setup device.\n");
 		retval = -ENODEV;
-		goto error;
+		goto fail3;
 	}
 
-	/*
-	 * Setup the input system with the bits we are going to be reporting
-	 */
-	remote->input.evbit[0] = BIT(EV_KEY);		/* We will only report KEY events. */
-	for (i = 0; i < 32; ++i) {
-		if (keyspan_key_table[i] != KEY_RESERVED) {
-			set_bit(keyspan_key_table[i], remote->input.keybit);
-		}
+	if (udev->manufacturer)
+		strlcpy(remote->name, udev->manufacturer, sizeof(remote->name));
+
+	if (udev->product) {
+		if (udev->manufacturer)
+			strlcat(remote->name, " ", sizeof(remote->name));
+		strlcat(remote->name, udev->product, sizeof(remote->name));
 	}
-
-	remote->input.private = remote;
-	remote->input.open = keyspan_open;
-	remote->input.close = keyspan_close;
-
-	usb_make_path(remote->udev, path, 64);
-	sprintf(remote->phys, "%s/input0", path);
-
-	remote->input.name = remote->name;
-	remote->input.phys = remote->phys;
-	remote->input.id.bustype = BUS_USB;
-	remote->input.id.vendor = le16_to_cpu(remote->udev->descriptor.idVendor);
-	remote->input.id.product = le16_to_cpu(remote->udev->descriptor.idProduct);
-	remote->input.id.version = le16_to_cpu(remote->udev->descriptor.bcdDevice);
-
-	if (!(buf = kmalloc(63, GFP_KERNEL))) {
-		usb_buffer_free(remote->udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
-		kfree(remote);
-		return -ENOMEM;
-	}
-
-	if (remote->udev->descriptor.iManufacturer &&
-	    usb_string(remote->udev, remote->udev->descriptor.iManufacturer, buf, 63) > 0)
-		strcat(remote->name, buf);
-
-	if (remote->udev->descriptor.iProduct &&
-	    usb_string(remote->udev, remote->udev->descriptor.iProduct, buf, 63) > 0)
-		sprintf(remote->name, "%s %s", remote->name, buf);
 
 	if (!strlen(remote->name))
-		sprintf(remote->name, "USB Keyspan Remote %04x:%04x",
-			remote->input.id.vendor, remote->input.id.product);
+		snprintf(remote->name, sizeof(remote->name),
+			 "USB Keyspan Remote %04x:%04x",
+			 le16_to_cpu(udev->descriptor.idVendor),
+			 le16_to_cpu(udev->descriptor.idProduct));
 
-	kfree(buf);
+	usb_make_path(udev, remote->phys, sizeof(remote->phys));
+	strlcat(remote->phys, "/input0", sizeof(remote->phys));
+
+	input_dev->name = remote->name;
+	input_dev->phys = remote->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &interface->dev;
+
+	input_dev->evbit[0] = BIT(EV_KEY);		/* We will only report KEY events. */
+	for (i = 0; i < ARRAY_SIZE(keyspan_key_table); i++)
+		if (keyspan_key_table[i] != KEY_RESERVED)
+			set_bit(keyspan_key_table[i], input_dev->keybit);
+
+	input_dev->private = remote;
+	input_dev->open = keyspan_open;
+	input_dev->close = keyspan_close;
 
 	/*
 	 * Initialize the URB to access the device. The urb gets sent to the device in keyspan_open()
···
 	remote->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
 	/* we can register the device now, as it is ready */
-	input_register_device(&remote->input);
+	input_register_device(remote->input);
 
 	/* save our data pointer in this interface device */
 	usb_set_intfdata(interface, remote);
 
-	/* let the user know what node this device is now attached to */
-	info("connected: %s on %s", remote->name, path);
 	return 0;
 
-error:
-	/*
-	 * In case of error we need to clean up any allocated buffers
-	 */
-	if (remote->irq_urb)
-		usb_free_urb(remote->irq_urb);
-
-	if (remote->in_buffer)
-		usb_buffer_free(remote->udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
-
-	if (remote)
-		kfree(remote);
+ fail3:	usb_free_urb(remote->irq_urb);
+ fail2:	usb_buffer_free(udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
+ fail1:	kfree(remote);
+	input_free_device(input_dev);
 
 	return retval;
 }
···
 {
 	struct usb_keyspan *remote;
 
-	/* prevent keyspan_open() from racing keyspan_disconnect() */
-	lock_kernel();
-
 	remote = usb_get_intfdata(interface);
 	usb_set_intfdata(interface, NULL);
 
 	if (remote) {	/* We have a valid driver structure so clean up everything we allocated. */
-		input_unregister_device(&remote->input);
+		input_unregister_device(remote->input);
 		usb_kill_urb(remote->irq_urb);
 		usb_free_urb(remote->irq_urb);
-		usb_buffer_free(interface_to_usbdev(interface), RECV_SIZE, remote->in_buffer, remote->in_dma);
+		usb_buffer_free(remote->udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
 		kfree(remote);
 	}
-
-	unlock_kernel();
-
-	info("USB Keyspan now disconnected");
 }
 
 /*

drivers/usb/input/mtouchusb.c

···
 	dma_addr_t data_dma;
 	struct urb *irq;
 	struct usb_device *udev;
-	struct input_dev input;
+	struct input_dev *input;
 	char name[128];
 	char phys[64];
 };
···
 		goto exit;
 	}
 
-	input_regs(&mtouch->input, regs);
-	input_report_key(&mtouch->input, BTN_TOUCH,
+	input_regs(mtouch->input, regs);
+	input_report_key(mtouch->input, BTN_TOUCH,
 			 MTOUCHUSB_GET_TOUCHED(mtouch->data));
-	input_report_abs(&mtouch->input, ABS_X, MTOUCHUSB_GET_XC(mtouch->data));
-	input_report_abs(&mtouch->input, ABS_Y,
+	input_report_abs(mtouch->input, ABS_X, MTOUCHUSB_GET_XC(mtouch->data));
+	input_report_abs(mtouch->input, ABS_Y,
 			 (raw_coordinates ? MTOUCHUSB_MAX_RAW_YC : MTOUCHUSB_MAX_CALIB_YC)
 			 - MTOUCHUSB_GET_YC(mtouch->data));
-	input_sync(&mtouch->input);
+	input_sync(mtouch->input);
 
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
···
 static int mtouchusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct mtouch_usb *mtouch;
+	struct input_dev *input_dev;
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_device *udev = interface_to_usbdev(intf);
-	char path[64];
 	int nRet;
 
 	dbg("%s - called", __FUNCTION__);
···
 	dbg("%s - setting endpoint", __FUNCTION__);
 	endpoint = &interface->endpoint[0].desc;
 
-	if (!(mtouch = kmalloc(sizeof(struct mtouch_usb), GFP_KERNEL))) {
+	mtouch = kzalloc(sizeof(struct mtouch_usb), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!mtouch || !input_dev) {
 		err("%s - Out of memory.", __FUNCTION__);
-		return -ENOMEM;
+		goto fail1;
 	}
-
-	memset(mtouch, 0, sizeof(struct mtouch_usb));
-	mtouch->udev = udev;
 
 	dbg("%s - allocating buffers", __FUNCTION__);
-	if (mtouchusb_alloc_buffers(udev, mtouch)) {
-		mtouchusb_free_buffers(udev, mtouch);
-		kfree(mtouch);
-		return -ENOMEM;
-	}
+	if (mtouchusb_alloc_buffers(udev, mtouch))
+		goto fail2;
 
-	mtouch->input.private = mtouch;
-	mtouch->input.open = mtouchusb_open;
-	mtouch->input.close = mtouchusb_close;
-
-	usb_make_path(udev, path, 64);
-	sprintf(mtouch->phys, "%s/input0", path);
-
-	mtouch->input.name = mtouch->name;
-	mtouch->input.phys = mtouch->phys;
-	usb_to_input_id(udev, &mtouch->input.id);
-	mtouch->input.dev = &intf->dev;
-
-	mtouch->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-	mtouch->input.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
-	mtouch->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-
-	/* Used to Scale Compensated Data and Flip Y */
-	mtouch->input.absmin[ABS_X] = MTOUCHUSB_MIN_XC;
-	mtouch->input.absmax[ABS_X] = raw_coordinates ?
-					MTOUCHUSB_MAX_RAW_XC : MTOUCHUSB_MAX_CALIB_XC;
-	mtouch->input.absfuzz[ABS_X] = MTOUCHUSB_XC_FUZZ;
-	mtouch->input.absflat[ABS_X] = MTOUCHUSB_XC_FLAT;
-	mtouch->input.absmin[ABS_Y] = MTOUCHUSB_MIN_YC;
-	mtouch->input.absmax[ABS_Y] = raw_coordinates ?
-					MTOUCHUSB_MAX_RAW_YC : MTOUCHUSB_MAX_CALIB_YC;
-	mtouch->input.absfuzz[ABS_Y] = MTOUCHUSB_YC_FUZZ;
-	mtouch->input.absflat[ABS_Y] = MTOUCHUSB_YC_FLAT;
+	mtouch->udev = udev;
+	mtouch->input = input_dev;
 
 	if (udev->manufacturer)
-		strcat(mtouch->name, udev->manufacturer);
-	if (udev->product)
-		sprintf(mtouch->name, "%s %s", mtouch->name, udev->product);
+		strlcpy(mtouch->name, udev->manufacturer, sizeof(mtouch->name));
+
+	if (udev->product) {
+		if (udev->manufacturer)
+			strlcat(mtouch->name, " ", sizeof(mtouch->name));
+		strlcat(mtouch->name, udev->product, sizeof(mtouch->name));
+	}
 
 	if (!strlen(mtouch->name))
-		sprintf(mtouch->name, "USB Touchscreen %04x:%04x",
-			mtouch->input.id.vendor, mtouch->input.id.product);
+		snprintf(mtouch->name, sizeof(mtouch->name),
+			"USB Touchscreen %04x:%04x",
+			le16_to_cpu(udev->descriptor.idVendor),
+			le16_to_cpu(udev->descriptor.idProduct));
+
+	usb_make_path(udev, mtouch->phys, sizeof(mtouch->phys));
+	strlcpy(mtouch->phys, "/input0", sizeof(mtouch->phys));
+
+	input_dev->name = mtouch->name;
+	input_dev->phys = mtouch->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = mtouch;
+
+	input_dev->open = mtouchusb_open;
+	input_dev->close = mtouchusb_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+	input_set_abs_params(input_dev, ABS_X, MTOUCHUSB_MIN_XC,
+		raw_coordinates ? MTOUCHUSB_MAX_RAW_XC : MTOUCHUSB_MAX_CALIB_XC,
+				MTOUCHUSB_XC_FUZZ, MTOUCHUSB_XC_FLAT);
+	input_set_abs_params(input_dev, ABS_Y, MTOUCHUSB_MIN_YC,
+		raw_coordinates ? MTOUCHUSB_MAX_RAW_YC : MTOUCHUSB_MAX_CALIB_YC,
+		MTOUCHUSB_YC_FUZZ, MTOUCHUSB_YC_FLAT);
 
 	nRet = usb_control_msg(mtouch->udev, usb_rcvctrlpipe(udev, 0),
 			       MTOUCHUSB_RESET,
···
 	mtouch->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!mtouch->irq) {
 		dbg("%s - usb_alloc_urb failed: mtouch->irq", __FUNCTION__);
-		mtouchusb_free_buffers(udev, mtouch);
-		kfree(mtouch);
-		return -ENOMEM;
+		goto fail2;
 	}
 
 	dbg("%s - usb_fill_int_urb", __FUNCTION__);
···
 			 mtouchusb_irq, mtouch, endpoint->bInterval);
 
 	dbg("%s - input_register_device", __FUNCTION__);
-	input_register_device(&mtouch->input);
+	input_register_device(mtouch->input);
 
 	nRet = usb_control_msg(mtouch->udev, usb_rcvctrlpipe(udev, 0),
 			       MTOUCHUSB_ASYNC_REPORT,
···
 	dbg("%s - usb_control_msg - MTOUCHUSB_ASYNC_REPORT - bytes|err: %d",
 	    __FUNCTION__, nRet);
 
-	printk(KERN_INFO "input: %s on %s\n", mtouch->name, path);
 	usb_set_intfdata(intf, mtouch);
-
 	return 0;
+
+fail2:	mtouchusb_free_buffers(udev, mtouch);
+fail1:	input_free_device(input_dev);
+	kfree(mtouch);
+	return -ENOMEM;
 }
 
 static void mtouchusb_disconnect(struct usb_interface *intf)
···
 	if (mtouch) {
 		dbg("%s - mtouch is initialized, cleaning up", __FUNCTION__);
 		usb_kill_urb(mtouch->irq);
-		input_unregister_device(&mtouch->input);
+		input_unregister_device(mtouch->input);
 		usb_free_urb(mtouch->irq);
 		mtouchusb_free_buffers(interface_to_usbdev(intf), mtouch);
 		kfree(mtouch);

drivers/usb/input/pid.c

···
 {
 	struct hid_ff_pid *private;
 	struct hid_input *hidinput = list_entry(&hid->inputs, struct hid_input, list);
+	struct input_dev *input_dev = hidinput->input;
 
 	private = hid->ff_private = kzalloc(sizeof(struct hid_ff_pid), GFP_KERNEL);
 	if (!private)
···
 	usb_fill_control_urb(private->urbffout, hid->dev, 0,
 			     (void *)&private->ffcr, private->ctrl_buffer, 8,
 			     hid_pid_ctrl_out, hid);
-	hidinput->input.upload_effect = hid_pid_upload_effect;
-	hidinput->input.flush = hid_pid_flush;
-	hidinput->input.ff_effects_max = 8;	// A random default
-	set_bit(EV_FF, hidinput->input.evbit);
-	set_bit(EV_FF_STATUS, hidinput->input.evbit);
+
+	input_dev->upload_effect = hid_pid_upload_effect;
+	input_dev->flush = hid_pid_flush;
+	input_dev->ff_effects_max = 8;	// A random default
+	set_bit(EV_FF, input_dev->evbit);
+	set_bit(EV_FF_STATUS, input_dev->evbit);
 
 	spin_lock_init(&private->lock);
 

drivers/usb/input/powermate.c

···
 	struct usb_ctrlrequest *configcr;
 	dma_addr_t configcr_dma;
 	struct usb_device *udev;
-	struct input_dev input;
+	struct input_dev *input;
 	spinlock_t lock;
 	int static_brightness;
 	int pulse_speed;
···
 	}
 
 	/* handle updates to device state */
-	input_regs(&pm->input, regs);
-	input_report_key(&pm->input, BTN_0, pm->data[0] & 0x01);
-	input_report_rel(&pm->input, REL_DIAL, pm->data[1]);
-	input_sync(&pm->input);
+	input_regs(pm->input, regs);
+	input_report_key(pm->input, BTN_0, pm->data[0] & 0x01);
+	input_report_rel(pm->input, REL_DIAL, pm->data[1]);
+	input_sync(pm->input);
 
 exit:
 	retval = usb_submit_urb (urb, GFP_ATOMIC);
···
 
 		   Only values of 'arg' quite close to 255 are particularly useful/spectacular.
 		*/
-		if (pm->pulse_speed < 255){
+		if (pm->pulse_speed < 255) {
 			op = 0;                   // divide
 			arg = 255 - pm->pulse_speed;
-		} else if (pm->pulse_speed > 255){
+		} else if (pm->pulse_speed > 255) {
 			op = 2;                   // multiply
 			arg = pm->pulse_speed - 255;
 		} else {
···
 		pm->configcr->wValue = cpu_to_le16( (pm->pulse_table << 8) | SET_PULSE_MODE );
 		pm->configcr->wIndex = cpu_to_le16( (arg << 8) | op );
 		pm->requires_update &= ~UPDATE_PULSE_MODE;
-	}else if (pm->requires_update & UPDATE_STATIC_BRIGHTNESS){
+	} else if (pm->requires_update & UPDATE_STATIC_BRIGHTNESS) {
 		pm->configcr->wValue = cpu_to_le16( SET_STATIC_BRIGHTNESS );
 		pm->configcr->wIndex = cpu_to_le16( pm->static_brightness );
 		pm->requires_update &= ~UPDATE_STATIC_BRIGHTNESS;
-	}else{
+	} else {
 		printk(KERN_ERR "powermate: unknown update required");
 		pm->requires_update = 0; /* fudge the bug */
 		return;
···
 	spin_lock_irqsave(&pm->lock, flags);
 
 	/* mark state updates which are required */
-	if (static_brightness != pm->static_brightness){
+	if (static_brightness != pm->static_brightness) {
 		pm->static_brightness = static_brightness;
 		pm->requires_update |= UPDATE_STATIC_BRIGHTNESS;
 	}
-	if (pulse_asleep != pm->pulse_asleep){
+	if (pulse_asleep != pm->pulse_asleep) {
 		pm->pulse_asleep = pulse_asleep;
 		pm->requires_update |= (UPDATE_PULSE_ASLEEP | UPDATE_STATIC_BRIGHTNESS);
 	}
-	if (pulse_awake != pm->pulse_awake){
+	if (pulse_awake != pm->pulse_awake) {
 		pm->pulse_awake = pulse_awake;
 		pm->requires_update |= (UPDATE_PULSE_AWAKE | UPDATE_STATIC_BRIGHTNESS);
 	}
-	if (pulse_speed != pm->pulse_speed || pulse_table != pm->pulse_table){
+	if (pulse_speed != pm->pulse_speed || pulse_table != pm->pulse_table) {
 		pm->pulse_speed = pulse_speed;
 		pm->pulse_table = pulse_table;
 		pm->requires_update |= UPDATE_PULSE_MODE;
···
 				    SLAB_ATOMIC, &pm->data_dma);
 	if (!pm->data)
 		return -1;
+
 	pm->configcr = usb_buffer_alloc(udev, sizeof(*(pm->configcr)),
 					SLAB_ATOMIC, &pm->configcr_dma);
 	if (!pm->configcr)
···
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct powermate_device *pm;
+	struct input_dev *input_dev;
 	int pipe, maxp;
-	char path[64];
+	int err = -ENOMEM;
 
 	interface = intf->cur_altsetting;
 	endpoint = &interface->endpoint[0].desc;
···
 		0, interface->desc.bInterfaceNumber, NULL, 0,
 		USB_CTRL_SET_TIMEOUT);
 
-	if (!(pm = kmalloc(sizeof(struct powermate_device), GFP_KERNEL)))
-		return -ENOMEM;
+	pm = kzalloc(sizeof(struct powermate_device), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!pm || !input_dev)
+		goto fail1;
 
-	memset(pm, 0, sizeof(struct powermate_device));
-	pm->udev = udev;
-
-	if (powermate_alloc_buffers(udev, pm)) {
-		powermate_free_buffers(udev, pm);
-		kfree(pm);
-		return -ENOMEM;
-	}
+	if (powermate_alloc_buffers(udev, pm))
+		goto fail2;
 
 	pm->irq = usb_alloc_urb(0, GFP_KERNEL);
-	if (!pm->irq) {
-		powermate_free_buffers(udev, pm);
-		kfree(pm);
-		return -ENOMEM;
-	}
+	if (!pm->irq)
+		goto fail2;
 
 	pm->config = usb_alloc_urb(0, GFP_KERNEL);
-	if (!pm->config) {
-		usb_free_urb(pm->irq);
-		powermate_free_buffers(udev, pm);
-		kfree(pm);
-		return -ENOMEM;
-	}
+	if (!pm->config)
+		goto fail3;
+
+	pm->udev = udev;
+	pm->input = input_dev;
+
+	usb_make_path(udev, pm->phys, sizeof(pm->phys));
+	strlcpy(pm->phys, "/input0", sizeof(pm->phys));
 
 	spin_lock_init(&pm->lock);
-	init_input_dev(&pm->input);
+
+	switch (le16_to_cpu(udev->descriptor.idProduct)) {
+	case POWERMATE_PRODUCT_NEW:
+		input_dev->name = pm_name_powermate;
+		break;
+	case POWERMATE_PRODUCT_OLD:
+		input_dev->name = pm_name_soundknob;
+		break;
+	default:
+		input_dev->name = pm_name_soundknob;
+		printk(KERN_WARNING "powermate: unknown product id %04x\n",
+		       le16_to_cpu(udev->descriptor.idProduct));
+	}
+
+	input_dev->phys = pm->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = pm;
+
+	input_dev->event = powermate_input_event;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL) | BIT(EV_MSC);
+	input_dev->keybit[LONG(BTN_0)] = BIT(BTN_0);
+	input_dev->relbit[LONG(REL_DIAL)] = BIT(REL_DIAL);
+	input_dev->mscbit[LONG(MSC_PULSELED)] = BIT(MSC_PULSELED);
 
 	/* get a handle to the interrupt data pipe */
 	pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
 
-	if(maxp < POWERMATE_PAYLOAD_SIZE_MIN || maxp > POWERMATE_PAYLOAD_SIZE_MAX){
-		printk("powermate: Expected payload of %d--%d bytes, found %d bytes!\n",
+	if (maxp < POWERMATE_PAYLOAD_SIZE_MIN || maxp > POWERMATE_PAYLOAD_SIZE_MAX) {
+		printk(KERN_WARNING "powermate: Expected payload of %d--%d bytes, found %d bytes!\n",
 			POWERMATE_PAYLOAD_SIZE_MIN, POWERMATE_PAYLOAD_SIZE_MAX, maxp);
 		maxp = POWERMATE_PAYLOAD_SIZE_MAX;
 	}
···
 
 	/* register our interrupt URB with the USB system */
 	if (usb_submit_urb(pm->irq, GFP_KERNEL)) {
-		powermate_free_buffers(udev, pm);
-		kfree(pm);
-		return -EIO; /* failure */
+		err = -EIO;
+		goto fail4;
 	}
 
-	switch (le16_to_cpu(udev->descriptor.idProduct)) {
-	case POWERMATE_PRODUCT_NEW: pm->input.name = pm_name_powermate; break;
-	case POWERMATE_PRODUCT_OLD: pm->input.name = pm_name_soundknob; break;
-	default:
-		pm->input.name = pm_name_soundknob;
-		printk(KERN_WARNING "powermate: unknown product id %04x\n",
-		       le16_to_cpu(udev->descriptor.idProduct));
-	}
-
-	pm->input.private = pm;
-	pm->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REL) | BIT(EV_MSC);
-	pm->input.keybit[LONG(BTN_0)] = BIT(BTN_0);
-	pm->input.relbit[LONG(REL_DIAL)] = BIT(REL_DIAL);
-	pm->input.mscbit[LONG(MSC_PULSELED)] = BIT(MSC_PULSELED);
-	usb_to_input_id(udev, &pm->input.id);
-	pm->input.event = powermate_input_event;
-	pm->input.dev = &intf->dev;
-	pm->input.phys = pm->phys;
-
-	input_register_device(&pm->input);
-
-	usb_make_path(udev, path, 64);
-	snprintf(pm->phys, 64, "%s/input0", path);
-	printk(KERN_INFO "input: %s on %s\n", pm->input.name, pm->input.phys);
+	input_register_device(pm->input);
 
 	/* force an update of everything */
 	pm->requires_update = UPDATE_PULSE_ASLEEP | UPDATE_PULSE_AWAKE | UPDATE_PULSE_MODE | UPDATE_STATIC_BRIGHTNESS;
···
 
 	usb_set_intfdata(intf, pm);
 	return 0;
+
+fail4:	usb_free_urb(pm->config);
+fail3:	usb_free_urb(pm->irq);
+fail2:	powermate_free_buffers(udev, pm);
+fail1:	input_free_device(input_dev);
+	kfree(pm);
+	return err;
 }
 
 /* Called when a USB device we've accepted ownership of is removed */
···
 	if (pm) {
 		pm->requires_update = 0;
 		usb_kill_urb(pm->irq);
-		input_unregister_device(&pm->input);
+		input_unregister_device(pm->input);
 		usb_free_urb(pm->irq);
 		usb_free_urb(pm->config);
 		powermate_free_buffers(interface_to_usbdev(intf), pm);

drivers/usb/input/touchkitusb.c

···
 	dma_addr_t data_dma;
 	struct urb *irq;
 	struct usb_device *udev;
-	struct input_dev input;
+	struct input_dev *input;
 	char name[128];
 	char phys[64];
 };
···
 		y = TOUCHKIT_GET_Y(touchkit->data);
 	}
 
-	input_regs(&touchkit->input, regs);
-	input_report_key(&touchkit->input, BTN_TOUCH,
+	input_regs(touchkit->input, regs);
+	input_report_key(touchkit->input, BTN_TOUCH,
 	                 TOUCHKIT_GET_TOUCHED(touchkit->data));
-	input_report_abs(&touchkit->input, ABS_X, x);
-	input_report_abs(&touchkit->input, ABS_Y, y);
-	input_sync(&touchkit->input);
+	input_report_abs(touchkit->input, ABS_X, x);
+	input_report_abs(touchkit->input, ABS_Y, y);
+	input_sync(touchkit->input);
 
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
···
 static int touchkit_probe(struct usb_interface *intf,
 			  const struct usb_device_id *id)
 {
-	int ret;
 	struct touchkit_usb *touchkit;
+	struct input_dev *input_dev;
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_device *udev = interface_to_usbdev(intf);
-	char path[64];
 
 	interface = intf->cur_altsetting;
 	endpoint = &interface->endpoint[0].desc;
 
-	touchkit = kmalloc(sizeof(struct touchkit_usb), GFP_KERNEL);
-	if (!touchkit)
-		return -ENOMEM;
-
-	memset(touchkit, 0, sizeof(struct touchkit_usb));
-	touchkit->udev = udev;
-
-	if (touchkit_alloc_buffers(udev, touchkit)) {
-		ret = -ENOMEM;
+	touchkit = kzalloc(sizeof(struct touchkit_usb), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!touchkit || !input_dev)
 		goto out_free;
-	}
 
-	touchkit->input.private = touchkit;
-	touchkit->input.open = touchkit_open;
-	touchkit->input.close = touchkit_close;
-
-	usb_make_path(udev, path, 64);
-	sprintf(touchkit->phys, "%s/input0", path);
-
-	touchkit->input.name = touchkit->name;
-	touchkit->input.phys = touchkit->phys;
-	usb_to_input_id(udev, &touchkit->input.id);
-	touchkit->input.dev = &intf->dev;
-
-	touchkit->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-	touchkit->input.absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
-	touchkit->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-
-	/* Used to Scale Compensated Data */
-	touchkit->input.absmin[ABS_X] = TOUCHKIT_MIN_XC;
-	touchkit->input.absmax[ABS_X] = TOUCHKIT_MAX_XC;
-	touchkit->input.absfuzz[ABS_X] = TOUCHKIT_XC_FUZZ;
-	touchkit->input.absflat[ABS_X] = TOUCHKIT_XC_FLAT;
-	touchkit->input.absmin[ABS_Y] = TOUCHKIT_MIN_YC;
-	touchkit->input.absmax[ABS_Y] = TOUCHKIT_MAX_YC;
-	touchkit->input.absfuzz[ABS_Y] = TOUCHKIT_YC_FUZZ;
-	touchkit->input.absflat[ABS_Y] = TOUCHKIT_YC_FLAT;
-
-	if (udev->manufacturer)
-		strcat(touchkit->name, udev->manufacturer);
-	if (udev->product)
-		sprintf(touchkit->name, "%s %s", touchkit->name, udev->product);
-
-	if (!strlen(touchkit->name))
-		sprintf(touchkit->name, "USB Touchscreen %04x:%04x",
-		        touchkit->input.id.vendor, touchkit->input.id.product);
+	if (touchkit_alloc_buffers(udev, touchkit))
+		goto out_free;
 
 	touchkit->irq = usb_alloc_urb(0, GFP_KERNEL);
 	if (!touchkit->irq) {
 		dbg("%s - usb_alloc_urb failed: touchkit->irq", __FUNCTION__);
-		ret = -ENOMEM;
 		goto out_free_buffers;
 	}
 
+	touchkit->udev = udev;
+	touchkit->input = input_dev;
+
+	if (udev->manufacturer)
+		strlcpy(touchkit->name, udev->manufacturer, sizeof(touchkit->name));
+
+	if (udev->product) {
+		if (udev->manufacturer)
+			strlcat(touchkit->name, " ", sizeof(touchkit->name));
+		strlcat(touchkit->name, udev->product, sizeof(touchkit->name));
+	}
+
+	if (!strlen(touchkit->name))
+		snprintf(touchkit->name, sizeof(touchkit->name),
+			"USB Touchscreen %04x:%04x",
+			 le16_to_cpu(udev->descriptor.idVendor),
+			 le16_to_cpu(udev->descriptor.idProduct));
+
+	usb_make_path(udev, touchkit->phys, sizeof(touchkit->phys));
+	strlcpy(touchkit->phys, "/input0", sizeof(touchkit->phys));
+
+	input_dev->name = touchkit->name;
+	input_dev->phys = touchkit->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = touchkit;
+	input_dev->open = touchkit_open;
+	input_dev->close = touchkit_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+	input_set_abs_params(input_dev, ABS_X, TOUCHKIT_MIN_XC, TOUCHKIT_MAX_XC,
+				TOUCHKIT_XC_FUZZ, TOUCHKIT_XC_FLAT);
+	input_set_abs_params(input_dev, ABS_Y, TOUCHKIT_MIN_YC, TOUCHKIT_MAX_YC,
+				TOUCHKIT_YC_FUZZ, TOUCHKIT_YC_FLAT);
+
 	usb_fill_int_urb(touchkit->irq, touchkit->udev,
-	                 usb_rcvintpipe(touchkit->udev, 0x81),
-	                 touchkit->data, TOUCHKIT_REPORT_DATA_SIZE,
-	                 touchkit_irq, touchkit, endpoint->bInterval);
+			 usb_rcvintpipe(touchkit->udev, 0x81),
+			 touchkit->data, TOUCHKIT_REPORT_DATA_SIZE,
+			 touchkit_irq, touchkit, endpoint->bInterval);
 
-	input_register_device(&touchkit->input);
+	input_register_device(touchkit->input);
 
-	printk(KERN_INFO "input: %s on %s\n", touchkit->name, path);
 	usb_set_intfdata(intf, touchkit);
-
 	return 0;
 
 out_free_buffers:
 	touchkit_free_buffers(udev, touchkit);
 out_free:
+	input_free_device(input_dev);
 	kfree(touchkit);
-	return ret;
+	return -ENOMEM;
 }
 
 static void touchkit_disconnect(struct usb_interface *intf)
···
 
 	dbg("%s - touchkit is initialized, cleaning up", __FUNCTION__);
 	usb_set_intfdata(intf, NULL);
-	input_unregister_device(&touchkit->input);
 	usb_kill_urb(touchkit->irq);
+	input_unregister_device(touchkit->input);
 	usb_free_urb(touchkit->irq);
 	touchkit_free_buffers(interface_to_usbdev(intf), touchkit);
 	kfree(touchkit);

drivers/usb/input/usbkbd.c

···
 };
 
 struct usb_kbd {
-	struct input_dev dev;
+	struct input_dev *dev;
 	struct usb_device *usbdev;
 	unsigned char old[8];
 	struct urb *irq, *led;
···
 		goto resubmit;
 	}
 
-	input_regs(&kbd->dev, regs);
+	input_regs(kbd->dev, regs);
 
 	for (i = 0; i < 8; i++)
-		input_report_key(&kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
+		input_report_key(kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
 
 	for (i = 2; i < 8; i++) {
 
 		if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) {
 			if (usb_kbd_keycode[kbd->old[i]])
-				input_report_key(&kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
+				input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
 			else
 				info("Unknown key (scancode %#x) released.", kbd->old[i]);
 		}
 
 		if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) {
 			if (usb_kbd_keycode[kbd->new[i]])
-				input_report_key(&kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
+				input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
 			else
 				info("Unknown key (scancode %#x) pressed.", kbd->new[i]);
 		}
 	}
 
-	input_sync(&kbd->dev);
+	input_sync(kbd->dev);
 
 	memcpy(kbd->old, kbd->new, 8);
 
···
 static int usb_kbd_probe(struct usb_interface *iface,
 			 const struct usb_device_id *id)
 {
-	struct usb_device * dev = interface_to_usbdev(iface);
+	struct usb_device *dev = interface_to_usbdev(iface);
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_kbd *kbd;
+	struct input_dev *input_dev;
 	int i, pipe, maxp;
-	char path[64];
 
 	interface = iface->cur_altsetting;
 
···
 		return -ENODEV;
 
 	endpoint = &interface->endpoint[0].desc;
-	if (!(endpoint->bEndpointAddress & 0x80))
+	if (!(endpoint->bEndpointAddress & USB_DIR_IN))
 		return -ENODEV;
-	if ((endpoint->bmAttributes & 3) != 3)
+	if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
 		return -ENODEV;
 
 	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
 
-	if (!(kbd = kmalloc(sizeof(struct usb_kbd), GFP_KERNEL)))
-		return -ENOMEM;
-	memset(kbd, 0, sizeof(struct usb_kbd));
+	kbd = kzalloc(sizeof(struct usb_kbd), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!kbd || !input_dev)
+		goto fail1;
 
-	if (usb_kbd_alloc_mem(dev, kbd)) {
-		usb_kbd_free_mem(dev, kbd);
-		kfree(kbd);
-		return -ENOMEM;
-	}
+	if (usb_kbd_alloc_mem(dev, kbd))
+		goto fail2;
 
 	kbd->usbdev = dev;
+	kbd->dev = input_dev;
 
-	kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
-	kbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL) | BIT(LED_COMPOSE) | BIT(LED_KANA);
+	if (dev->manufacturer)
+		strlcpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
+
+	if (dev->product) {
+		if (dev->manufacturer)
+			strlcat(kbd->name, " ", sizeof(kbd->name));
+		strlcat(kbd->name, dev->product, sizeof(kbd->name));
+	}
+
+	if (!strlen(kbd->name))
+		snprintf(kbd->name, sizeof(kbd->name),
+			 "USB HIDBP Keyboard %04x:%04x",
+			 le16_to_cpu(dev->descriptor.idVendor),
+			 le16_to_cpu(dev->descriptor.idProduct));
+
+	usb_make_path(dev, kbd->phys, sizeof(kbd->phys));
+	strlcpy(kbd->phys, "/input0", sizeof(kbd->phys));
+
+	input_dev->name = kbd->name;
+	input_dev->phys = kbd->phys;
+	usb_to_input_id(dev, &input_dev->id);
+	input_dev->cdev.dev = &iface->dev;
+	input_dev->private = kbd;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
+	input_dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL) | BIT(LED_COMPOSE) | BIT(LED_KANA);
 
 	for (i = 0; i < 255; i++)
-		set_bit(usb_kbd_keycode[i], kbd->dev.keybit);
-	clear_bit(0, kbd->dev.keybit);
+		set_bit(usb_kbd_keycode[i], input_dev->keybit);
+	clear_bit(0, input_dev->keybit);
 
-	kbd->dev.private = kbd;
-	kbd->dev.event = usb_kbd_event;
-	kbd->dev.open = usb_kbd_open;
-	kbd->dev.close = usb_kbd_close;
+	input_dev->event = usb_kbd_event;
+	input_dev->open = usb_kbd_open;
+	input_dev->close = usb_kbd_close;
 
 	usb_fill_int_urb(kbd->irq, dev, pipe,
 			 kbd->new, (maxp > 8 ? 8 : maxp),
···
 	kbd->cr->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber);
 	kbd->cr->wLength = cpu_to_le16(1);
 
-	usb_make_path(dev, path, 64);
-	sprintf(kbd->phys, "%s/input0", path);
-
-	kbd->dev.name = kbd->name;
-	kbd->dev.phys = kbd->phys;
-	usb_to_input_id(dev, &kbd->dev.id);
-	kbd->dev.dev = &iface->dev;
-
-	if (dev->manufacturer)
-		strcat(kbd->name, dev->manufacturer);
-	if (dev->product)
-		sprintf(kbd->name, "%s %s", kbd->name, dev->product);
-
-	if (!strlen(kbd->name))
-		sprintf(kbd->name, "USB HIDBP Keyboard %04x:%04x",
-			kbd->dev.id.vendor, kbd->dev.id.product);
-
 	usb_fill_control_urb(kbd->led, dev, usb_sndctrlpipe(dev, 0),
 			     (void *) kbd->cr, kbd->leds, 1,
 			     usb_kbd_led, kbd);
 	kbd->led->setup_dma = kbd->cr_dma;
 	kbd->led->transfer_dma = kbd->leds_dma;
-	kbd->led->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP
-				| URB_NO_SETUP_DMA_MAP);
+	kbd->led->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
 
-	input_register_device(&kbd->dev);
-
-	printk(KERN_INFO "input: %s on %s\n", kbd->name, path);
+	input_register_device(kbd->dev);
 
 	usb_set_intfdata(iface, kbd);
 	return 0;
+
+fail2:	usb_kbd_free_mem(dev, kbd);
+fail1:	input_free_device(input_dev);
+	kfree(kbd);
+	return -ENOMEM;
 }
 
 static void usb_kbd_disconnect(struct usb_interface *intf)
···
 	usb_set_intfdata(intf, NULL);
 	if (kbd) {
 		usb_kill_urb(kbd->irq);
-		input_unregister_device(&kbd->dev);
+		input_unregister_device(kbd->dev);
 		usb_kbd_free_mem(interface_to_usbdev(intf), kbd);
 		kfree(kbd);
 	}

drivers/usb/input/usbmouse.c

···
 	char name[128];
 	char phys[64];
 	struct usb_device *usbdev;
-	struct input_dev dev;
+	struct input_dev *dev;
 	struct urb *irq;
 
 	signed char *data;
···
 {
 	struct usb_mouse *mouse = urb->context;
 	signed char *data = mouse->data;
-	struct input_dev *dev = &mouse->dev;
+	struct input_dev *dev = mouse->dev;
 	int status;
 
 	switch (urb->status) {
···
 	usb_kill_urb(mouse->irq);
 }
 
-static int usb_mouse_probe(struct usb_interface * intf, const struct usb_device_id * id)
+static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
-	struct usb_device * dev = interface_to_usbdev(intf);
+	struct usb_device *dev = interface_to_usbdev(intf);
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_mouse *mouse;
+	struct input_dev *input_dev;
 	int pipe, maxp;
-	char path[64];
 
 	interface = intf->cur_altsetting;
 
···
 		return -ENODEV;
 
 	endpoint = &interface->endpoint[0].desc;
-	if (!(endpoint->bEndpointAddress & 0x80))
+	if (!(endpoint->bEndpointAddress & USB_DIR_IN))
 		return -ENODEV;
-	if ((endpoint->bmAttributes & 3) != 3)
+	if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
 		return -ENODEV;
 
 	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
 	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
 
-	if (!(mouse = kmalloc(sizeof(struct usb_mouse), GFP_KERNEL)))
-		return -ENOMEM;
-	memset(mouse, 0, sizeof(struct usb_mouse));
+	mouse = kzalloc(sizeof(struct usb_mouse), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!mouse || !input_dev)
+		goto fail1;
 
 	mouse->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &mouse->data_dma);
-	if (!mouse->data) {
-		kfree(mouse);
-		return -ENOMEM;
-	}
+	if (!mouse->data)
+		goto fail1;
 
 	mouse->irq = usb_alloc_urb(0, GFP_KERNEL);
-	if (!mouse->irq) {
-		usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
-		kfree(mouse);
-		return -ENODEV;
-	}
+	if (!mouse->irq)
+		goto fail2;
 
 	mouse->usbdev = dev;
-
-	mouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
-	mouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
-	mouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
-	mouse->dev.keybit[LONG(BTN_MOUSE)] |= BIT(BTN_SIDE) | BIT(BTN_EXTRA);
-	mouse->dev.relbit[0] |= BIT(REL_WHEEL);
-
-	mouse->dev.private = mouse;
-	mouse->dev.open = usb_mouse_open;
-	mouse->dev.close = usb_mouse_close;
-
-	usb_make_path(dev, path, 64);
-	sprintf(mouse->phys, "%s/input0", path);
-
-	mouse->dev.name = mouse->name;
-	mouse->dev.phys = mouse->phys;
-	usb_to_input_id(dev, &mouse->dev.id);
-	mouse->dev.dev = &intf->dev;
+	mouse->dev = input_dev;
 
 	if (dev->manufacturer)
-		strcat(mouse->name, dev->manufacturer);
-	if (dev->product)
-		sprintf(mouse->name, "%s %s", mouse->name, dev->product);
+		strlcpy(mouse->name, dev->manufacturer, sizeof(mouse->name));
+
+	if (dev->product) {
+		if (dev->manufacturer)
+			strlcat(mouse->name, " ", sizeof(mouse->name));
+		strlcat(mouse->name, dev->product, sizeof(mouse->name));
+	}
 
 	if (!strlen(mouse->name))
-		sprintf(mouse->name, "USB HIDBP Mouse %04x:%04x",
-			mouse->dev.id.vendor, mouse->dev.id.product);
+		snprintf(mouse->name, sizeof(mouse->name),
+			 "USB HIDBP Mouse %04x:%04x",
+			 le16_to_cpu(dev->descriptor.idVendor),
+			 le16_to_cpu(dev->descriptor.idProduct));
+
+	usb_make_path(dev, mouse->phys, sizeof(mouse->phys));
+	strlcat(mouse->phys, "/input0", sizeof(mouse->phys));
+
+	input_dev->name = mouse->name;
+	input_dev->phys = mouse->phys;
+	usb_to_input_id(dev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+	input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
+	input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
+	input_dev->keybit[LONG(BTN_MOUSE)] |= BIT(BTN_SIDE) | BIT(BTN_EXTRA);
+	input_dev->relbit[0] |= BIT(REL_WHEEL);
+
+	input_dev->private = mouse;
+	input_dev->open = usb_mouse_open;
+	input_dev->close = usb_mouse_close;
 
 	usb_fill_int_urb(mouse->irq, dev, pipe, mouse->data,
 			 (maxp > 8 ? 8 : maxp),
···
 	mouse->irq->transfer_dma = mouse->data_dma;
 	mouse->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-	input_register_device(&mouse->dev);
-	printk(KERN_INFO "input: %s on %s\n", mouse->name, path);
+	input_register_device(mouse->dev);
 
 	usb_set_intfdata(intf, mouse);
 	return 0;
+
+fail2:	usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
+fail1:	input_free_device(input_dev);
+	kfree(mouse);
+	return -ENOMEM;
 }
 
 static void usb_mouse_disconnect(struct usb_interface *intf)
···
 	usb_set_intfdata(intf, NULL);
 	if (mouse) {
 		usb_kill_urb(mouse->irq);
-		input_unregister_device(&mouse->dev);
+		input_unregister_device(mouse->dev);
 		usb_free_urb(mouse->irq);
 		usb_buffer_free(interface_to_usbdev(intf), 8, mouse->data, mouse->data_dma);
 		kfree(mouse);

drivers/usb/input/wacom.c

···
 struct wacom {
 	signed char *data;
 	dma_addr_t data_dma;
-	struct input_dev dev;
+	struct input_dev *dev;
 	struct usb_device *usbdev;
 	struct urb *irq;
 	struct wacom_features *features;
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	int prox, pressure;
 	int retval;
 
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	int retval;
 
 	switch (urb->status) {
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	int retval;
 
 	switch (urb->status) {
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	int x, y;
 	int retval;
 
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	int idx;
 
 	/* tool number */
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	unsigned int t;
 
 	/* general pen packet */
···
 {
 	struct wacom *wacom = urb->context;
 	unsigned char *data = wacom->data;
-	struct input_dev *dev = &wacom->dev;
+	struct input_dev *dev = wacom->dev;
 	unsigned int t;
 	int idx;
 	int retval;
···
 {
 	struct usb_device *dev = interface_to_usbdev(intf);
 	struct usb_endpoint_descriptor *endpoint;
-	char rep_data[2] = {0x02, 0x02};
 	struct wacom *wacom;
-	char path[64];
+	struct input_dev *input_dev;
+	char rep_data[2] = {0x02, 0x02};
 
-	if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL)))
-		return -ENOMEM;
-	memset(wacom, 0, sizeof(struct wacom));
+	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!wacom || !input_dev)
+		goto fail1;
 
 	wacom->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
-	if (!wacom->data) {
-		kfree(wacom);
-		return -ENOMEM;
-	}
+	if (!wacom->data)
+		goto fail1;
 
 	wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
-	if (!wacom->irq) {
-		usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
-		kfree(wacom);
-		return -ENOMEM;
-	}
+	if (!wacom->irq)
+		goto fail2;
+
+	wacom->usbdev = dev;
+	wacom->dev = input_dev;
+	usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
+	strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
 
 	wacom->features = wacom_features + (id - wacom_ids);
+	if (wacom->features->pktlen > 10)
+		BUG();
 
-	wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
-	wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
-	wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
+	input_dev->name = wacom->features->name;
+	usb_to_input_id(dev, &input_dev->id);
+
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = wacom;
+	input_dev->open = wacom_open;
+	input_dev->close = wacom_close;
+
+	input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
+	input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
+	input_set_abs_params(input_dev, ABS_X, 0, wacom->features->y_max, 4, 0);
+	input_set_abs_params(input_dev, ABS_Y, 0, wacom->features->y_max, 4, 0);
+	input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom->features->pressure_max, 0, 0);
 
 	switch (wacom->features->type) {
 		case GRAPHIRE:
-			wacom->dev.evbit[0] |= BIT(EV_REL);
-			wacom->dev.relbit[0] |= BIT(REL_WHEEL);
-			wacom->dev.absbit[0] |= BIT(ABS_DISTANCE);
-			wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
-			wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
+			input_dev->evbit[0] |= BIT(EV_REL);
+			input_dev->relbit[0] |= BIT(REL_WHEEL);
+			input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
+			input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
+			input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom->features->distance_max, 0, 0);
 			break;
 
 		case INTUOS3:
 		case CINTIQ:
-			wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
-			wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
-			wacom->dev.absbit[0] |= BIT(ABS_RX) | BIT(ABS_RY);
+			input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
+			input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
+			input_set_abs_params(input_dev, ABS_RX, 0, 4097, 0, 0);
+			input_set_abs_params(input_dev, ABS_RY, 0, 4097, 0, 0);
 			/* fall through */
 
 		case INTUOS:
-			wacom->dev.evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
-			wacom->dev.mscbit[0] |= BIT(MSC_SERIAL);
-			wacom->dev.relbit[0] |= BIT(REL_WHEEL);
-			wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
-			wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE)	| BIT(BTN_TOOL_BRUSH)
+			input_dev->evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
+			input_dev->mscbit[0] |= BIT(MSC_SERIAL);
+			input_dev->relbit[0] |= BIT(REL_WHEEL);
+			input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
+			input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE)	| BIT(BTN_TOOL_BRUSH)
 							  | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
-			wacom->dev.absbit[0] |= BIT(ABS_DISTANCE) | BIT(ABS_WHEEL) | BIT(ABS_TILT_X) | BIT(ABS_TILT_Y) | BIT(ABS_RZ) | BIT(ABS_THROTTLE);
+			input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom->features->distance_max, 0, 0);
+			input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
+			input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
+			input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
+			input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
+			input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
 			break;
 
 		case PL:
-			wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
+			input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
 			break;
 	}
-
-	wacom->dev.absmax[ABS_X] = wacom->features->x_max;
-	wacom->dev.absmax[ABS_Y] = wacom->features->y_max;
-	wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max;
-	wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max;
-	wacom->dev.absmax[ABS_TILT_X] = 127;
-	wacom->dev.absmax[ABS_TILT_Y] = 127;
-	wacom->dev.absmax[ABS_WHEEL] = 1023;
-
-	wacom->dev.absmax[ABS_RX] = 4097;
-	wacom->dev.absmax[ABS_RY] = 4097;
-	wacom->dev.absmin[ABS_RZ] = -900;
-	wacom->dev.absmax[ABS_RZ] = 899;
-	wacom->dev.absmin[ABS_THROTTLE] = -1023;
-	wacom->dev.absmax[ABS_THROTTLE] = 1023;
-
-	wacom->dev.absfuzz[ABS_X] = 4;
-	wacom->dev.absfuzz[ABS_Y] = 4;
-
-	wacom->dev.private = wacom;
-	wacom->dev.open = wacom_open;
-	wacom->dev.close = wacom_close;
-
-	usb_make_path(dev, path, 64);
-	sprintf(wacom->phys, "%s/input0", path);
-
-	wacom->dev.name = wacom->features->name;
-	wacom->dev.phys = wacom->phys;
-	usb_to_input_id(dev, &wacom->dev.id);
-	wacom->dev.dev = &intf->dev;
-	wacom->usbdev = dev;
 
 	endpoint = &intf->cur_altsetting->endpoint[0].desc;
 
···
 	wacom->irq->transfer_dma = wacom->data_dma;
 	wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-	input_register_device(&wacom->dev);
+	input_register_device(wacom->dev);
 
 	/* ask the tablet to report tablet data */
 	usb_set_report(intf, 3, 2, rep_data, 2);
 	/* repeat once (not sure why the first call often fails) */
 	usb_set_report(intf, 3, 2, rep_data, 2);
 
-	printk(KERN_INFO "input: %s on %s\n", wacom->features->name, path);
-
 	usb_set_intfdata(intf, wacom);
-
 	return 0;
+
+fail2:	usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
+fail1:	input_free_device(input_dev);
+	kfree(wacom);
+	return -ENOMEM;
 }
 
 static void wacom_disconnect(struct usb_interface *intf)
···
 	usb_set_intfdata(intf, NULL);
 	if (wacom) {
 		usb_kill_urb(wacom->irq);
-		input_unregister_device(&wacom->dev);
+		input_unregister_device(wacom->dev);
 		usb_free_urb(wacom->irq);
 		usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
 		kfree(wacom);

drivers/usb/input/xpad.c

···
 MODULE_DEVICE_TABLE (usb, xpad_table);
 
 struct usb_xpad {
-	struct input_dev dev;			/* input device interface */
+	struct input_dev *dev;			/* input device interface */
 	struct usb_device *udev;		/* usb device */
 
 	struct urb *irq_in;			/* urb for interrupt in report */
···
 
 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data, struct pt_regs *regs)
 {
-	struct input_dev *dev = &xpad->dev;
+	struct input_dev *dev = xpad->dev;
 
 	input_regs(dev, regs);
 
···
 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_device *udev = interface_to_usbdev (intf);
-	struct usb_xpad *xpad = NULL;
+	struct usb_xpad *xpad;
+	struct input_dev *input_dev;
 	struct usb_endpoint_descriptor *ep_irq_in;
-	char path[64];
 	int i;
 
 	for (i = 0; xpad_device[i].idVendor; i++) {
···
 			break;
 	}
 
-	if ((xpad = kmalloc (sizeof(struct usb_xpad), GFP_KERNEL)) == NULL) {
-		err("cannot allocate memory for new pad");
-		return -ENOMEM;
-	}
-	memset(xpad, 0, sizeof(struct usb_xpad));
+	xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!xpad || !input_dev)
+		goto fail1;
 
 	xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN,
 				       SLAB_ATOMIC, &xpad->idata_dma);
-	if (!xpad->idata) {
-		kfree(xpad);
-		return -ENOMEM;
-	}
+	if (!xpad->idata)
+		goto fail1;
 
 	xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
-        if (!xpad->irq_in) {
-		err("cannot allocate memory for new pad irq urb");
-		usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
-                kfree(xpad);
-		return -ENOMEM;
-        }
+	if (!xpad->irq_in)
+		goto fail2;
+
+	xpad->udev = udev;
+	xpad->dev = input_dev;
+	usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
+	strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
+
+	input_dev->name = xpad_device[i].name;
+	input_dev->phys = xpad->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+	input_dev->private = xpad;
+	input_dev->open = xpad_open;
+	input_dev->close = xpad_close;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+
+	for (i = 0; xpad_btn[i] >= 0; i++)
+		set_bit(xpad_btn[i], input_dev->keybit);
+
+	for (i = 0; xpad_abs[i] >= 0; i++) {
+
+		signed short t = xpad_abs[i];
+
+		set_bit(t, input_dev->absbit);
+
+		switch (t) {
+			case ABS_X:
+			case ABS_Y:
+			case ABS_RX:
+			case ABS_RY:	/* the two sticks */
+				input_set_abs_params(input_dev, t, -32768, 32767, 16, 128);
+				break;
+			case ABS_Z:
+			case ABS_RZ:	/* the triggers */
+				input_set_abs_params(input_dev, t, 0, 255, 0, 0);
+				break;
+			case ABS_HAT0X:
+			case ABS_HAT0Y:	/* the d-pad */
+				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
+				break;
+		}
+	}
 
 	ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
-
 	usb_fill_int_urb(xpad->irq_in, udev,
 			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
 			 xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
···
 	xpad->irq_in->transfer_dma = xpad->idata_dma;
 	xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-	xpad->udev = udev;
-
-	usb_to_input_id(udev, &xpad->dev.id);
-	xpad->dev.dev = &intf->dev;
-	xpad->dev.private = xpad;
-	xpad->dev.name = xpad_device[i].name;
-	xpad->dev.phys = xpad->phys;
-	xpad->dev.open = xpad_open;
-	xpad->dev.close = xpad_close;
-
-	usb_make_path(udev, path, 64);
-	snprintf(xpad->phys, 64,  "%s/input0", path);
-
-	xpad->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
-	for (i = 0; xpad_btn[i] >= 0; i++)
-		set_bit(xpad_btn[i], xpad->dev.keybit);
-
-	for (i = 0; xpad_abs[i] >= 0; i++) {
-
-		signed short t = xpad_abs[i];
-
-		set_bit(t, xpad->dev.absbit);
-
-		switch (t) {
-			case ABS_X:
-			case ABS_Y:
-			case ABS_RX:
-			case ABS_RY:	/* the two sticks */
-				xpad->dev.absmax[t] =  32767;
-				xpad->dev.absmin[t] = -32768;
-				xpad->dev.absflat[t] = 128;
-				xpad->dev.absfuzz[t] = 16;
-				break;
-			case ABS_Z:
-			case ABS_RZ:	/* the triggers */
-				xpad->dev.absmax[t] = 255;
-				xpad->dev.absmin[t] = 0;
-				break;
-			case ABS_HAT0X:
-			case ABS_HAT0Y:	/* the d-pad */
-				xpad->dev.absmax[t] =  1;
-				xpad->dev.absmin[t] = -1;
-				break;
-		}
-	}
-
-	input_register_device(&xpad->dev);
-
-	printk(KERN_INFO "input: %s on %s", xpad->dev.name, path);
+	input_register_device(xpad->dev);
 
 	usb_set_intfdata(intf, xpad);
 	return 0;
+
+fail2:	usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
+fail1:	input_free_device(input_dev);
+	kfree(xpad);
+	return -ENOMEM;
+
 }
 
 static void xpad_disconnect(struct usb_interface *intf)
···
 	usb_set_intfdata(intf, NULL);
 	if (xpad) {
 		usb_kill_urb(xpad->irq_in);
-		input_unregister_device(&xpad->dev);
+		input_unregister_device(xpad->dev);
 		usb_free_urb(xpad->irq_in);
 		usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
 		kfree(xpad);

drivers/usb/input/yealink.c

···
 #include <linux/module.h>
 #include <linux/rwsem.h>
 #include <linux/usb.h>
+#include <linux/usb_input.h>
 
 #include "map_to_7segment.h"
 #include "yealink.h"
···
 };
 
 struct yealink_dev {
-	struct input_dev idev;		/* input device */
+	struct input_dev *idev;		/* input device */
 	struct usb_device *udev;	/* usb device */
 
 	/* irq input channel */
 	struct yld_ctl_packet	*irq_data;
-	dma_addr_t 		irq_dma;
+	dma_addr_t		irq_dma;
 	struct urb		*urb_irq;
 
 	/* control output channel */
···
  */
 static void report_key(struct yealink_dev *yld, int key, struct pt_regs *regs)
 {
-	struct input_dev *idev = &yld->idev;
+	struct input_dev *idev = yld->idev;
 
 	input_regs(idev, regs);
 	if (yld->key_code >= 0) {
···
 	}
         if (yld->urb_ctl)
 		usb_free_urb(yld->urb_ctl);
-        if (yld->idev.dev)
-		input_unregister_device(&yld->idev);
+        if (yld->idev) {
+		if (err)
+			input_free_device(yld->idev);
+		else
+			input_unregister_device(yld->idev);
+	}
 	if (yld->ctl_req)
 		usb_buffer_free(yld->udev, sizeof(*(yld->ctl_req)),
 				yld->ctl_req, yld->ctl_req_dma);
···
 	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct yealink_dev *yld;
-	char path[64];
+	struct input_dev *input_dev;
 	int ret, pipe, i;
 
 	i = usb_match(udev);
···
 
 	interface = intf->cur_altsetting;
 	endpoint = &interface->endpoint[0].desc;
-	if (!(endpoint->bEndpointAddress & 0x80))
+	if (!(endpoint->bEndpointAddress & USB_DIR_IN))
 		return -EIO;
-	if ((endpoint->bmAttributes & 3) != 3)
+	if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
 		return -EIO;
 
-	if ((yld = kmalloc(sizeof(struct yealink_dev), GFP_KERNEL)) == NULL)
+	yld = kzalloc(sizeof(struct yealink_dev), GFP_KERNEL);
+	if (!yld)
 		return -ENOMEM;
 
-	memset(yld, 0, sizeof(*yld));
 	yld->udev = udev;
+
+	yld->idev = input_dev = input_allocate_device();
+	if (!input_dev)
+		return usb_cleanup(yld, -ENOMEM);
 
 	/* allocate usb buffers */
 	yld->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN,
···
 	yld->urb_ctl->dev = udev;
 
 	/* find out the physical bus location */
-	if (usb_make_path(udev, path, sizeof(path)) > 0)
-		snprintf(yld->phys, sizeof(yld->phys)-1,  "%s/input0", path);
+	usb_make_path(udev, yld->phys, sizeof(yld->phys));
+	strlcat(yld->phys,  "/input0", sizeof(yld->phys));
 
 	/* register settings for the input device */
-	init_input_dev(&yld->idev);
-	yld->idev.private	= yld;
-	yld->idev.id.bustype	= BUS_USB;
-	yld->idev.id.vendor	= le16_to_cpu(udev->descriptor.idVendor);
-	yld->idev.id.product	= le16_to_cpu(udev->descriptor.idProduct);
-	yld->idev.id.version	= le16_to_cpu(udev->descriptor.bcdDevice);
-	yld->idev.dev		= &intf->dev;
-	yld->idev.name		= yld_device[i].name;
-	yld->idev.phys		= yld->phys;
-	/* yld->idev.event		= input_ev;	TODO */
-	yld->idev.open		= input_open;
-	yld->idev.close		= input_close;
+	input_dev->name = yld_device[i].name;
+	input_dev->phys = yld->phys;
+	usb_to_input_id(udev, &input_dev->id);
+	input_dev->cdev.dev = &intf->dev;
+
+	input_dev->private = yld;
+	input_dev->open = input_open;
+	input_dev->close = input_close;
+	/* input_dev->event = input_ev;	TODO */
 
 	/* register available key events */
-	yld->idev.evbit[0] = BIT(EV_KEY);
+	input_dev->evbit[0] = BIT(EV_KEY);
 	for (i = 0; i < 256; i++) {
 		int k = map_p1k_to_key(i);
 		if (k >= 0) {
-			set_bit(k & 0xff, yld->idev.keybit);
+			set_bit(k & 0xff, input_dev->keybit);
 			if (k >> 8)
-				set_bit(k >> 8, yld->idev.keybit);
+				set_bit(k >> 8, input_dev->keybit);
 		}
 	}
 
-	printk(KERN_INFO "input: %s on %s\n", yld->idev.name, path);
-
-	input_register_device(&yld->idev);
+	input_register_device(yld->idev);
 
 	usb_set_intfdata(intf, yld);
 
 	/* clear visible elements */
-	for (i=0; i<ARRAY_SIZE(lcdMap); i++)
+	for (i = 0; i < ARRAY_SIZE(lcdMap); i++)
 		setChar(yld, i, ' ');
 
 	/* display driver version on LCD line 3 */