[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 <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c
index 4104dec..230f6b1 100644
--- a/drivers/usb/input/usbmouse.c
+++ b/drivers/usb/input/usbmouse.c
@@ -50,7 +50,7 @@
char name[128];
char phys[64];
struct usb_device *usbdev;
- struct input_dev dev;
+ struct input_dev *dev;
struct urb *irq;
signed char *data;
@@ -61,7 +61,7 @@
{
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) {
@@ -115,14 +115,14 @@
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;
@@ -130,59 +130,62 @@
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),
@@ -190,11 +193,15 @@
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)
@@ -204,7 +211,7 @@
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);