void dvb_usbv2_disconnect(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
const char *name = d->name;
struct device dev = d->udev->dev;
dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
intf->cur_altsetting->desc.bInterfaceNumber);
if (d->props->exit)
d->props->exit(d);
dvb_usbv2_exit(d);
dev_info(&dev, "%s: '%s' successfully deinitialized and disconnected\n",
KBUILD_MODNAME, name);
}
void dvb_usbv2_disconnect(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
const char *name = d->name;
struct device dev = d->udev->dev;
dev_dbg(&d->udev->dev, "%s: pid=%d work_pid=%d\n", __func__,
current->pid, d->work_pid);
/* ensure initialization work is finished until release resources */
if (d->work_pid != current->pid)
cancel_work_sync(&d->probe_work);
if (d->props->exit)
d->props->exit(d);
dvb_usbv2_exit(d);
dev_info(&dev, "%s: '%s' successfully deinitialized and disconnected\n",
KBUILD_MODNAME, name);
}
int dvb_usbv2_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int ret;
struct dvb_usb_device *d;
struct usb_device *udev = interface_to_usbdev(intf);
struct dvb_usb_driver_info *driver_info =
(struct dvb_usb_driver_info *) id->driver_info;
dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
intf->cur_altsetting->desc.bInterfaceNumber);
if (!id->driver_info) {
dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME);
ret = -ENODEV;
goto err;
}
d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
if (!d) {
dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
ret = -ENOMEM;
goto err;
}
d->name = driver_info->name;
d->rc_map = driver_info->rc_map;
d->udev = udev;
d->props = driver_info->props;
if (intf->cur_altsetting->desc.bInterfaceNumber !=
d->props->bInterfaceNumber) {
ret = -ENODEV;
goto err_free_all;
}
mutex_init(&d->usb_mutex);
mutex_init(&d->i2c_mutex);
if (d->props->size_of_priv) {
d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL);
if (!d->priv) {
dev_err(&d->udev->dev, "%s: kzalloc() failed\n",
KBUILD_MODNAME);
ret = -ENOMEM;
goto err_free_all;
}
}
if (d->props->identify_state) {
const char *name = NULL;
ret = d->props->identify_state(d, &name);
if (ret == 0) {
;
} else if (ret == COLD) {
dev_info(&d->udev->dev,
"%s: found a '%s' in cold state\n",
KBUILD_MODNAME, d->name);
if (!name)
name = d->props->firmware;
ret = dvb_usbv2_download_firmware(d, name);
if (ret == 0) {
/* device is warm, continue initialization */
;
} else if (ret == RECONNECTS_USB) {
/*
* USB core will call disconnect() and then
* probe() as device reconnects itself from the
* USB bus. disconnect() will release all driver
* resources and probe() is called for 'new'
* device. As 'new' device is warm we should
* never go here again.
*/
goto exit;
} else {
goto err_free_all;
}
} else {
goto err_free_all;
}
}
dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n",
KBUILD_MODNAME, d->name);
ret = dvb_usbv2_init(d);
if (ret < 0)
goto err_free_all;
dev_info(&d->udev->dev,
"%s: '%s' successfully initialized and connected\n",
KBUILD_MODNAME, d->name);
exit:
usb_set_intfdata(intf, d);
return 0;
err_free_all:
dvb_usbv2_exit(d);
err:
dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
