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Commit 88789672 authored by Dmitry Torokhov's avatar Dmitry Torokhov Committed by Greg Kroah-Hartman
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[PATCH] Input: convert onetouch to dynamic input_dev allocation 



Input: convert onetouch to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b416f2e4

drivers/usb/storage/onetouch.c

+50 −49
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ void onetouch_release_input(void *onetouch_); 
struct usb_onetouch {

	char name[128];

	char phys[64];

	struct input_dev dev;	/* input device interface */

	struct input_dev *dev;	/* input device interface */

	struct usb_device *udev;	/* usb device */



	struct urb *irq;	/* urb for interrupt in report */
@@ -58,7 +58,7 @@ static void usb_onetouch_irq(struct urb *urb, struct pt_regs *regs) 
{

	struct usb_onetouch *onetouch = urb->context;

	signed char *data = onetouch->data;

	struct input_dev *dev = &onetouch->dev;

	struct input_dev *dev = onetouch->dev;

	int status;



	switch (urb->status) {
@@ -74,11 +74,9 @@ static void usb_onetouch_irq(struct urb *urb, struct pt_regs *regs) 
	}



	input_regs(dev, regs);



	input_report_key(&onetouch->dev, ONETOUCH_BUTTON,

			 data[0] & 0x02);



	input_report_key(dev, ONETOUCH_BUTTON, data[0] & 0x02);

	input_sync(dev);



resubmit:

	status = usb_submit_urb (urb, SLAB_ATOMIC);

	if (status)
@@ -113,8 +111,8 @@ int onetouch_connect_input(struct us_data *ss) 
	struct usb_host_interface *interface;

	struct usb_endpoint_descriptor *endpoint;

	struct usb_onetouch *onetouch;

	struct input_dev *input_dev;

	int pipe, maxp;

	char path[64];



	interface = ss->pusb_intf->cur_altsetting;
@@ -131,53 +129,53 @@ int onetouch_connect_input(struct us_data *ss) 
	pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);

	maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));



	if (!(onetouch = kcalloc(1, sizeof(struct usb_onetouch), GFP_KERNEL)))

		return -ENOMEM;

	onetouch = kzalloc(sizeof(struct usb_onetouch), GFP_KERNEL);

	input_dev = input_allocate_device();

	if (!onetouch || !input_dev)

		goto fail1;



	onetouch->data = usb_buffer_alloc(udev, ONETOUCH_PKT_LEN,

					  SLAB_ATOMIC, &onetouch->data_dma);

	if (!onetouch->data){

		kfree(onetouch);

		return -ENOMEM;

	}

	if (!onetouch->data)

		goto fail1;



	onetouch->irq = usb_alloc_urb(0, GFP_KERNEL);

	if (!onetouch->irq){

		kfree(onetouch);

		usb_buffer_free(udev, ONETOUCH_PKT_LEN,

				onetouch->data, onetouch->data_dma);

		return -ENODEV;

	}



	if (!onetouch->irq)

		goto fail2;



	onetouch->udev = udev;

	onetouch->dev = input_dev;



	set_bit(EV_KEY, onetouch->dev.evbit);

	set_bit(ONETOUCH_BUTTON, onetouch->dev.keybit);

	clear_bit(0, onetouch->dev.keybit);



	onetouch->dev.private = onetouch;

	onetouch->dev.open = usb_onetouch_open;

	onetouch->dev.close = usb_onetouch_close;

	if (udev->manufacturer)

		strlcpy(onetouch->name, udev->manufacturer,

			sizeof(onetouch->name));

	if (udev->product) {

		if (udev->manufacturer)

			strlcat(onetouch->name, " ", sizeof(onetouch->name));

		strlcat(onetouch->name, udev->product, sizeof(onetouch->name));

	}



	usb_make_path(udev, path, sizeof(path));

	sprintf(onetouch->phys, "%s/input0", path);

	if (!strlen(onetouch->name))

		snprintf(onetouch->name, sizeof(onetouch->name),

			 "Maxtor Onetouch %04x:%04x",

			 le16_to_cpu(udev->descriptor.idVendor),

			 le16_to_cpu(udev->descriptor.idProduct));



	onetouch->dev.name = onetouch->name;

	onetouch->dev.phys = onetouch->phys;

	usb_make_path(udev, onetouch->phys, sizeof(onetouch->phys));

	strlcat(onetouch->phys, "/input0", sizeof(onetouch->phys));



	usb_to_input_id(udev, &onetouch->dev.id);

	input_dev->name = onetouch->name;

	input_dev->phys = onetouch->phys;

	usb_to_input_id(udev, &input_dev->id);

	input_dev->cdev.dev = &udev->dev;



	onetouch->dev.dev = &udev->dev;

	set_bit(EV_KEY, input_dev->evbit);

	set_bit(ONETOUCH_BUTTON, input_dev->keybit);

	clear_bit(0, input_dev->keybit);



	if (udev->manufacturer)

		strcat(onetouch->name, udev->manufacturer);

	if (udev->product)

		sprintf(onetouch->name, "%s %s", onetouch->name,

			udev->product);

	if (!strlen(onetouch->name))

		sprintf(onetouch->name, "Maxtor Onetouch %04x:%04x",

			onetouch->dev.id.vendor, onetouch->dev.id.product);

	input_dev->private = onetouch;

	input_dev->open = usb_onetouch_open;

	input_dev->close = usb_onetouch_close;



	usb_fill_int_urb(onetouch->irq, udev, pipe, onetouch->data,

			 (maxp > 8 ? 8 : maxp),
@@ -188,10 +186,15 @@ int onetouch_connect_input(struct us_data *ss) 
	ss->extra_destructor = onetouch_release_input;

	ss->extra = onetouch;



	input_register_device(&onetouch->dev);

	printk(KERN_INFO "usb-input: %s on %s\n", onetouch->dev.name, path);

	input_register_device(onetouch->dev);



	return 0;



 fail2:	usb_buffer_free(udev, ONETOUCH_PKT_LEN,

			onetouch->data, onetouch->data_dma);

 fail1:	kfree(onetouch);

	input_free_device(input_dev);

	return -ENOMEM;

}



void onetouch_release_input(void *onetouch_)
@@ -200,11 +203,9 @@ void onetouch_release_input(void *onetouch_) 


	if (onetouch) {

		usb_kill_urb(onetouch->irq);

		input_unregister_device(&onetouch->dev);

		input_unregister_device(onetouch->dev);

		usb_free_urb(onetouch->irq);

		usb_buffer_free(onetouch->udev, ONETOUCH_PKT_LEN,

				onetouch->data, onetouch->data_dma);

		printk(KERN_INFO "usb-input: deregistering %s\n",

				onetouch->dev.name);

	}

}