int usb_create_sysfs_dev_files(struct usb_device *udev)
{
struct device *dev = &udev->dev;
int retval;
/* Unforunately these attributes cannot be created before
* the uevent is broadcast.
*/
retval = device_create_bin_file(dev, &dev_bin_attr_descriptors);
if (retval)
goto error;
retval = add_persist_attributes(dev);
if (retval)
goto error;
retval = add_power_attributes(dev);
if (retval)
goto error;
retval = usb_create_ep_files(dev, &udev->ep0, udev);
if (retval)
goto error;
return 0;
error:
usb_remove_sysfs_dev_files(udev);
return retval;
}
static void generic_disconnect(struct usb_device *udev)
{
printk("[K] generic disconnect:%d\n", g3_flag); // tmp test
if(g3_flag == 1)
{
/*
if(usb_plug_flag == HUB_RE_ENABLE)
{
printk("[K] hub re_enable, ignore sending event\n"); // tmp test
}
else
{
*/
printk("[K] send 3g plug-off event\n"); // tmp test
usb_plug_flag = G3_PLUG_OFF; // ASUS PLUG
kill_proc(1, SIGTTIN, 1);
// }
}
usb_notify_remove_device(udev);
/* if this is only an unbind, not a physical disconnect, then
* unconfigure the device */
if (udev->actconfig)
usb_set_configuration(udev, -1);
usb_remove_sysfs_dev_files(udev);
}
static void generic_disconnect(struct usb_device *udev)
{
usb_notify_remove_device(udev);
/* if this is only an unbind, not a physical disconnect, then
* unconfigure the device */
if (udev->actconfig)
usb_set_configuration(udev, -1);
usb_remove_sysfs_dev_files(udev);
}
int usb_create_sysfs_dev_files(struct usb_device *udev)
{
struct device *dev = &udev->dev;
int retval;
retval = device_create_bin_file(dev, &dev_bin_attr_descriptors);
if (retval)
goto error;
retval = add_persist_attributes(dev);
if (retval)
goto error;
retval = add_power_attributes(dev);
if (retval)
goto error;
return retval;
error:
usb_remove_sysfs_dev_files(udev);
return retval;
}
int usb_create_sysfs_dev_files(struct usb_device *udev)
{
struct device *dev = &udev->dev;
int retval;
retval = sysfs_create_group(&dev->kobj, &dev_attr_grp);
if (retval)
return retval;
retval = device_create_bin_file(dev, &dev_bin_attr_descriptors);
if (retval)
goto error;
retval = add_power_attributes(dev);
if (retval)
goto error;
if (udev->manufacturer) {
retval = device_create_file(dev, &dev_attr_manufacturer);
if (retval)
goto error;
}
if (udev->product) {
retval = device_create_file(dev, &dev_attr_product);
if (retval)
goto error;
}
if (udev->serial) {
retval = device_create_file(dev, &dev_attr_serial);
if (retval)
goto error;
}
retval = usb_create_ep_files(dev, &udev->ep0, udev);
if (retval)
goto error;
return 0;
error:
usb_remove_sysfs_dev_files(udev);
return retval;
}
/*
* Notifications of device and interface registration
*/
static int usb_bus_notify(struct notifier_block *nb, unsigned long action,
void *data)
{
struct device *dev = data;
switch (action) {
case BUS_NOTIFY_ADD_DEVICE:
if (dev->type == &usb_device_type)
(void) usb_create_sysfs_dev_files(to_usb_device(dev));
else if (dev->type == &usb_if_device_type)
usb_create_sysfs_intf_files(to_usb_interface(dev));
break;
case BUS_NOTIFY_DEL_DEVICE:
if (dev->type == &usb_device_type)
usb_remove_sysfs_dev_files(to_usb_device(dev));
else if (dev->type == &usb_if_device_type)
usb_remove_sysfs_intf_files(to_usb_interface(dev));
break;
}
return 0;
}