diff options
Diffstat (limited to 'drivers/usb/misc/phidgetkit.c')
| -rw-r--r-- | drivers/usb/misc/phidgetkit.c | 740 | 
1 files changed, 0 insertions, 740 deletions
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c deleted file mode 100644 index cc8e0a926f9..00000000000 --- a/drivers/usb/misc/phidgetkit.c +++ /dev/null @@ -1,740 +0,0 @@ -/* - * USB PhidgetInterfaceKit driver 1.0 - * - * Copyright (C) 2004, 2006 Sean Young <sean@mess.org> - * Copyright (C) 2005 Daniel Saakes <daniel@saakes.net> - * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is a driver for the USB PhidgetInterfaceKit. - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/usb.h> - -#include "phidget.h" - -#define DRIVER_AUTHOR "Sean Young <sean@mess.org>" -#define DRIVER_DESC "USB PhidgetInterfaceKit Driver" - -#define USB_VENDOR_ID_GLAB		0x06c2 -#define USB_DEVICE_ID_INTERFACEKIT004	0x0040 -#define USB_DEVICE_ID_INTERFACEKIT01616	0x0044 -#define USB_DEVICE_ID_INTERFACEKIT888	0x0045 -#define USB_DEVICE_ID_INTERFACEKIT047	0x0051 -#define USB_DEVICE_ID_INTERFACEKIT088	0x0053 - -#define USB_VENDOR_ID_WISEGROUP		0x0925 -#define USB_DEVICE_ID_INTERFACEKIT884	0x8201 - -#define MAX_INTERFACES			16 - -#define URB_INT_SIZE			8 - -struct driver_interfacekit { -	int sensors; -	int inputs; -	int outputs; -	int has_lcd; -	int amnesiac; -}; - -#define ifkit(_sensors, _inputs, _outputs, _lcd, _amnesiac)		\ -{									\ -	.sensors	= _sensors,					\ -	.inputs		= _inputs,					\ -	.outputs	= _outputs,					\ -	.has_lcd	= _lcd,						\ -	.amnesiac	= _amnesiac					\ -}; - -static const struct driver_interfacekit ph_004 = ifkit(0, 0, 4, 0, 0); -static const struct driver_interfacekit ph_888n = ifkit(8, 8, 8, 0, 1); -static const struct driver_interfacekit ph_888o = ifkit(8, 8, 8, 0, 0); -static const struct driver_interfacekit ph_047 = ifkit(0, 4, 7, 1, 0); -static const struct driver_interfacekit ph_884 = ifkit(8, 8, 4, 0, 0); -static const struct driver_interfacekit ph_088 = ifkit(0, 8, 8, 1, 0); -static const struct driver_interfacekit ph_01616 = ifkit(0, 16, 16, 0, 0); - -static unsigned long device_no; - -struct interfacekit { -	struct usb_device *udev; -	struct usb_interface *intf; -	struct driver_interfacekit *ifkit; -	struct device *dev; -	unsigned long outputs; -	int dev_no; -	u8 inputs[MAX_INTERFACES]; -	u16 sensors[MAX_INTERFACES]; -	u8 lcd_files_on; - -	struct urb *irq; -	unsigned char *data; -	dma_addr_t data_dma; - -	struct delayed_work do_notify; -	struct delayed_work do_resubmit; -	unsigned long input_events; -	unsigned long sensor_events; -}; - -static struct usb_device_id id_table[] = { -	{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004), -		.driver_info = (kernel_ulong_t)&ph_004}, -	{USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0, 0x814), -		.driver_info = (kernel_ulong_t)&ph_888o}, -	{USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0x0815, 0xffff), -		.driver_info = (kernel_ulong_t)&ph_888n}, -	{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047), -		.driver_info = (kernel_ulong_t)&ph_047}, -	{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088), -		.driver_info = (kernel_ulong_t)&ph_088}, -	{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616), -		.driver_info = (kernel_ulong_t)&ph_01616}, -	{USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), -		.driver_info = (kernel_ulong_t)&ph_884}, -	{} -}; -MODULE_DEVICE_TABLE(usb, id_table); - -static int set_outputs(struct interfacekit *kit) -{ -	u8 *buffer; -	int retval; - -	buffer = kzalloc(4, GFP_KERNEL); -	if (!buffer) { -		dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); -		return -ENOMEM; -	} -	buffer[0] = (u8)kit->outputs; -	buffer[1] = (u8)(kit->outputs >> 8); - -	dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs); - -	retval = usb_control_msg(kit->udev, -			 usb_sndctrlpipe(kit->udev, 0), -			 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000); - -	if (retval != 4) -		dev_err(&kit->udev->dev, "usb_control_msg returned %d\n",  -				retval); -	kfree(buffer); - -	if (kit->ifkit->amnesiac) -		schedule_delayed_work(&kit->do_resubmit, HZ / 2); - -	return retval < 0 ? retval : 0; -} - -static int change_string(struct interfacekit *kit, const char *display, unsigned char row) -{ -	unsigned char *buffer; -	unsigned char *form_buffer; -	int retval = -ENOMEM; -	int i,j, len, buf_ptr; -	 -	buffer = kmalloc(8, GFP_KERNEL); -	form_buffer = kmalloc(30, GFP_KERNEL); -	if ((!buffer) || (!form_buffer)) { -		dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); -		goto exit; -	} - -	len = strlen(display); -	if (len > 20) -		len = 20; - -	dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display); - -	form_buffer[0] = row * 0x40 + 0x80; -	form_buffer[1] = 0x02; -	buf_ptr = 2; -	for (i = 0; i<len; i++) -		form_buffer[buf_ptr++] = display[i]; - -	for (i = 0; i < (20 - len); i++) -		form_buffer[buf_ptr++] = 0x20; -	form_buffer[buf_ptr++] = 0x01; -	form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display); - -	for (i = 0; i < buf_ptr; i += 7) { -		if ((buf_ptr - i) > 7) -			len = 7; -		else -			len = (buf_ptr - i); -		for (j = 0; j < len; j++) -			buffer[j] = form_buffer[i + j]; -		buffer[7] = len; - -		retval = usb_control_msg(kit->udev, -				 usb_sndctrlpipe(kit->udev, 0), -				 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); -		if (retval < 0) -			goto exit; -	} - -	retval = 0; -exit: -	kfree(buffer); -	kfree(form_buffer); - -	return retval; -} - -#define set_lcd_line(number)	\ -static ssize_t lcd_line_##number(struct device *dev,			\ -					struct device_attribute *attr,	\ -					const char *buf, size_t count)	\ -{									\ -	struct interfacekit *kit = dev_get_drvdata(dev);		\ -	change_string(kit, buf, number - 1);				\ -	return count;							\ -} - -#define lcd_line_attr(number)						\ -	__ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number) - -set_lcd_line(1); -set_lcd_line(2); - -static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ -	struct interfacekit *kit = dev_get_drvdata(dev); -	int enabled; -	unsigned char *buffer; -	int retval = -ENOMEM; -	 -	buffer = kzalloc(8, GFP_KERNEL); -	if (!buffer) { -		dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); -		goto exit; -	} - -	if (sscanf(buf, "%d", &enabled) < 1) { -		retval = -EINVAL; -		goto exit; -	} -	if (enabled) -		buffer[0] = 0x01; -	buffer[7] = 0x11; - -	dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off"); -	 -	retval = usb_control_msg(kit->udev, -			 usb_sndctrlpipe(kit->udev, 0), -			 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); -	if (retval < 0) -		goto exit; - -	retval = count; -exit: -	kfree(buffer); -	return retval; -} - -static struct device_attribute dev_lcd_line_attrs[] = { -	lcd_line_attr(1), -	lcd_line_attr(2), -	__ATTR(backlight, S_IWUGO, NULL, set_backlight) -}; - -static void remove_lcd_files(struct interfacekit *kit) -{ -	int i; - -	if (kit->lcd_files_on) { -		dev_dbg(&kit->udev->dev, "Removing lcd files\n"); - -		for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) -			device_remove_file(kit->dev, &dev_lcd_line_attrs[i]); -	} -} - -static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ -	struct interfacekit *kit = dev_get_drvdata(dev); -	int enable; -	int i, rc; -	 -	if (kit->ifkit->has_lcd == 0) -		return -ENODEV; - -	if (sscanf(buf, "%d", &enable) < 1) -		return -EINVAL; - -	if (enable) { -		if (!kit->lcd_files_on) { -			dev_dbg(&kit->udev->dev, "Adding lcd files\n"); -			for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) { -				rc = device_create_file(kit->dev, -					&dev_lcd_line_attrs[i]); -				if (rc) -					goto out; -			} -			kit->lcd_files_on = 1; -		} -	} else { -		if (kit->lcd_files_on) { -			remove_lcd_files(kit); -			kit->lcd_files_on = 0; -		} -	} -	 -	return count; -out: -	while (i-- > 0) -		device_remove_file(kit->dev, &dev_lcd_line_attrs[i]); - -	return rc; -} - -static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); - -static void interfacekit_irq(struct urb *urb) -{ -	struct interfacekit *kit = urb->context; -	unsigned char *buffer = kit->data; -	int i, level, sensor; -	int retval; -	int status = urb->status; - -	switch (status) { -	case 0:			/* success */ -		break; -	case -ECONNRESET:	/* unlink */ -	case -ENOENT: -	case -ESHUTDOWN: -		return; -	/* -EPIPE:  should clear the halt */ -	default:		/* error */ -		goto resubmit; -	} - -	/* digital inputs */ -	if (kit->ifkit->inputs == 16) { -		for (i=0; i < 8; i++) { -			level = (buffer[0] >> i) & 1; -			if (kit->inputs[i] != level) { -				kit->inputs[i] = level; -				set_bit(i, &kit->input_events); -			} -			level = (buffer[1] >> i) & 1; -			if (kit->inputs[8 + i] != level) { -				kit->inputs[8 + i] = level; -				set_bit(8 + i, &kit->input_events); -			} -		} -	} -	else if (kit->ifkit->inputs == 8) { -		for (i=0; i < 8; i++) { -			level = (buffer[1] >> i) & 1; -			if (kit->inputs[i] != level) { -				kit->inputs[i] = level; -				set_bit(i, &kit->input_events); -			} -		} -	} - -	/* analog inputs */ -	if (kit->ifkit->sensors) { -		sensor = (buffer[0] & 1) ? 4 : 0; - -		level = buffer[2] + (buffer[3] & 0x0f) * 256; -		if (level != kit->sensors[sensor]) { -			kit->sensors[sensor] = level; -			set_bit(sensor, &kit->sensor_events); -		} -		sensor++; -		level = buffer[4] + (buffer[3] & 0xf0) * 16; -		if (level != kit->sensors[sensor]) { -			kit->sensors[sensor] = level; -			set_bit(sensor, &kit->sensor_events); -		} -		sensor++; -		level = buffer[5] + (buffer[6] & 0x0f) * 256; -		if (level != kit->sensors[sensor]) { -			kit->sensors[sensor] = level; -			set_bit(sensor, &kit->sensor_events); -		} -		sensor++; -		level = buffer[7] + (buffer[6] & 0xf0) * 16; -		if (level != kit->sensors[sensor]) { -			kit->sensors[sensor] = level; -			set_bit(sensor, &kit->sensor_events); -		} -	} - -	if (kit->input_events || kit->sensor_events) -		schedule_delayed_work(&kit->do_notify, 0); - -resubmit: -	retval = usb_submit_urb(urb, GFP_ATOMIC); -	if (retval) -		err("can't resubmit intr, %s-%s/interfacekit0, retval %d", -			kit->udev->bus->bus_name, -			kit->udev->devpath, retval); -} - -static void do_notify(struct work_struct *work) -{ -	struct interfacekit *kit = -		container_of(work, struct interfacekit, do_notify.work); -	int i; -	char sysfs_file[8]; - -	for (i=0; i<kit->ifkit->inputs; i++) { -		if (test_and_clear_bit(i, &kit->input_events)) { -			sprintf(sysfs_file, "input%d", i + 1); -			sysfs_notify(&kit->dev->kobj, NULL, sysfs_file); -		} -	} - -	for (i=0; i<kit->ifkit->sensors; i++) { -		if (test_and_clear_bit(i, &kit->sensor_events)) { -			sprintf(sysfs_file, "sensor%d", i + 1); -			sysfs_notify(&kit->dev->kobj, NULL, sysfs_file); -		} -	} -} - -static void do_resubmit(struct work_struct *work) -{ -	struct interfacekit *kit = -		container_of(work, struct interfacekit, do_resubmit.work); -	set_outputs(kit); -} - -#define show_set_output(value)		\ -static ssize_t set_output##value(struct device *dev,			\ -					struct device_attribute *attr,	\ -					const char *buf, size_t count)	\ -{									\ -	struct interfacekit *kit = dev_get_drvdata(dev);		\ -	int enable;							\ -	int retval;							\ -									\ -	if (sscanf(buf, "%d", &enable) < 1)				\ -		return -EINVAL;						\ -									\ -	if (enable)							\ -		set_bit(value - 1, &kit->outputs);			\ -	else								\ -		clear_bit(value - 1, &kit->outputs); 			\ -									\ -	retval = set_outputs(kit);					\ -									\ -	return retval ? retval : count;					\ -}									\ -									\ -static ssize_t show_output##value(struct device *dev, 			\ -					struct device_attribute *attr,	\ -					char *buf)			\ -{									\ -	struct interfacekit *kit = dev_get_drvdata(dev);		\ -									\ -	return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\ -} - -#define output_attr(value)						\ -	__ATTR(output##value, S_IWUGO | S_IRUGO,			\ -		show_output##value, set_output##value) - -show_set_output(1); -show_set_output(2); -show_set_output(3); -show_set_output(4); -show_set_output(5); -show_set_output(6); -show_set_output(7); -show_set_output(8); -show_set_output(9); -show_set_output(10); -show_set_output(11); -show_set_output(12); -show_set_output(13); -show_set_output(14); -show_set_output(15); -show_set_output(16); - -static struct device_attribute dev_output_attrs[] = { -	output_attr(1), output_attr(2), output_attr(3), output_attr(4), -	output_attr(5), output_attr(6), output_attr(7), output_attr(8), -	output_attr(9), output_attr(10), output_attr(11), output_attr(12), -	output_attr(13), output_attr(14), output_attr(15), output_attr(16) -}; - -#define show_input(value)	\ -static ssize_t show_input##value(struct device *dev, 			\ -			struct device_attribute *attr, char *buf)	\ -{									\ -	struct interfacekit *kit = dev_get_drvdata(dev);		\ -									\ -	return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]);	\ -} - -#define input_attr(value)						\ -	__ATTR(input##value, S_IRUGO, show_input##value, NULL) - -show_input(1); -show_input(2); -show_input(3); -show_input(4); -show_input(5); -show_input(6); -show_input(7); -show_input(8); -show_input(9); -show_input(10); -show_input(11); -show_input(12); -show_input(13); -show_input(14); -show_input(15); -show_input(16); - -static struct device_attribute dev_input_attrs[] = { -	input_attr(1), input_attr(2), input_attr(3), input_attr(4), -	input_attr(5), input_attr(6), input_attr(7), input_attr(8), -	input_attr(9), input_attr(10), input_attr(11), input_attr(12), -	input_attr(13), input_attr(14), input_attr(15), input_attr(16) -}; - -#define show_sensor(value)	\ -static ssize_t show_sensor##value(struct device *dev,			\ -					struct device_attribute *attr,	\ -					char *buf)			\ -{									\ -	struct interfacekit *kit = dev_get_drvdata(dev);		\ -									\ -	return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]);	\ -} - -#define sensor_attr(value)						\ -	__ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL) - -show_sensor(1); -show_sensor(2); -show_sensor(3); -show_sensor(4); -show_sensor(5); -show_sensor(6); -show_sensor(7); -show_sensor(8); - -static struct device_attribute dev_sensor_attrs[] = { -	sensor_attr(1), sensor_attr(2), sensor_attr(3), sensor_attr(4), -	sensor_attr(5), sensor_attr(6), sensor_attr(7), sensor_attr(8) -}; - -static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) -{ -	struct usb_device *dev = interface_to_usbdev(intf); -	struct usb_host_interface *interface; -	struct usb_endpoint_descriptor *endpoint; -	struct interfacekit *kit; -	struct driver_interfacekit *ifkit; -	int pipe, maxp, rc = -ENOMEM; -	int bit, value, i; - -	ifkit = (struct driver_interfacekit *)id->driver_info; -	if (!ifkit) -		return -ENODEV; - -	interface = intf->cur_altsetting; -	if (interface->desc.bNumEndpoints != 1) -		return -ENODEV; - -	endpoint = &interface->endpoint[0].desc; -	if (!usb_endpoint_dir_in(endpoint)) -		return -ENODEV; -	/* -	 * bmAttributes -	 */ -	pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); -	maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); -	 -	kit = kzalloc(sizeof(*kit), GFP_KERNEL); -	if (!kit) -		goto out; - -	kit->dev_no = -1; -	kit->ifkit = ifkit; -	kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &kit->data_dma); -	if (!kit->data) -		goto out; - -	kit->irq = usb_alloc_urb(0, GFP_KERNEL); -	if (!kit->irq) -		goto out; - -	kit->udev = usb_get_dev(dev); -	kit->intf = intf; -	INIT_DELAYED_WORK(&kit->do_notify, do_notify); -	INIT_DELAYED_WORK(&kit->do_resubmit, do_resubmit); -	usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, -			maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, -			interfacekit_irq, kit, endpoint->bInterval); -	kit->irq->transfer_dma = kit->data_dma; -	kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - -	usb_set_intfdata(intf, kit); - -        do { -                bit = find_first_zero_bit(&device_no, sizeof(device_no)); -                value = test_and_set_bit(bit, &device_no); -        } while(value); -        kit->dev_no = bit; - -	kit->dev = device_create(phidget_class, &kit->udev->dev, MKDEV(0, 0), -				 kit, "interfacekit%d", kit->dev_no); -        if (IS_ERR(kit->dev)) { -                rc = PTR_ERR(kit->dev); -                kit->dev = NULL; -                goto out; -        } - -	if (usb_submit_urb(kit->irq, GFP_KERNEL)) { -		rc = -EIO; -		goto out; -	} - -	for (i=0; i<ifkit->outputs; i++ ) { -		rc = device_create_file(kit->dev, &dev_output_attrs[i]); -		if (rc) -			goto out2; -	} - -	for (i=0; i<ifkit->inputs; i++ ) { -		rc = device_create_file(kit->dev, &dev_input_attrs[i]); -		if (rc) -			goto out3; -	} - -	for (i=0; i<ifkit->sensors; i++ ) { -		rc = device_create_file(kit->dev, &dev_sensor_attrs[i]); -		if (rc) -			goto out4; -	} - -	if (ifkit->has_lcd) { -		rc = device_create_file(kit->dev, &dev_attr_lcd); -		if (rc) -			goto out4; - -	} - -	dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n", -			ifkit->sensors, ifkit->inputs, ifkit->outputs); - -	return 0; - -out4: -	while (i-- > 0) -		device_remove_file(kit->dev, &dev_sensor_attrs[i]); - -	i = ifkit->inputs; -out3: -	while (i-- > 0) -		device_remove_file(kit->dev, &dev_input_attrs[i]); - -	i = ifkit->outputs; -out2: -	while (i-- > 0) -		device_remove_file(kit->dev, &dev_output_attrs[i]); -out: -	if (kit) { -		usb_free_urb(kit->irq); -		if (kit->data) -			usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); -		if (kit->dev) -			device_unregister(kit->dev); -		if (kit->dev_no >= 0) -			clear_bit(kit->dev_no, &device_no); - -		kfree(kit); -	} - -	return rc; -} - -static void interfacekit_disconnect(struct usb_interface *interface) -{ -	struct interfacekit *kit; -	int i; - -	kit = usb_get_intfdata(interface); -	usb_set_intfdata(interface, NULL); -	if (!kit) -		return; - -	usb_kill_urb(kit->irq); -	usb_free_urb(kit->irq); -	usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma); - -	cancel_delayed_work(&kit->do_notify); -	cancel_delayed_work(&kit->do_resubmit); - -	for (i=0; i<kit->ifkit->outputs; i++) -		device_remove_file(kit->dev, &dev_output_attrs[i]); - -	for (i=0; i<kit->ifkit->inputs; i++) -		device_remove_file(kit->dev, &dev_input_attrs[i]); - -	for (i=0; i<kit->ifkit->sensors; i++) -		device_remove_file(kit->dev, &dev_sensor_attrs[i]); - -	if (kit->ifkit->has_lcd) { -		device_remove_file(kit->dev, &dev_attr_lcd); -		remove_lcd_files(kit); -	} - -	device_unregister(kit->dev); - -	dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", -		kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); - -	usb_put_dev(kit->udev); -	clear_bit(kit->dev_no, &device_no); - -	kfree(kit); -} - -static struct usb_driver interfacekit_driver = { -	.name = "phidgetkit", -	.probe = interfacekit_probe, -	.disconnect = interfacekit_disconnect, -	.id_table = id_table -}; - -static int __init interfacekit_init(void) -{ -	int retval = 0; - -	retval = usb_register(&interfacekit_driver); -	if (retval) -		err("usb_register failed. Error number %d", retval); - -	return retval; -} - -static void __exit interfacekit_exit(void) -{ -	usb_deregister(&interfacekit_driver); -} - -module_init(interfacekit_init); -module_exit(interfacekit_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL");  |