Пример #1
0
static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
{
	struct ar9170_usb *aru = context;
	int err;

	aru->firmware = fw;

	if (!fw) {
		dev_err(&aru->udev->dev, "firmware file not found.\n");
		goto err_freefw;
	}

	err = ar9170_usb_init_device(aru);
	if (err)
		goto err_freefw;

	err = ar9170_usb_open(&aru->common);
	if (err)
		goto err_unrx;

	err = ar9170_register(&aru->common, &aru->udev->dev);

	ar9170_usb_stop(&aru->common);
	if (err)
		goto err_unrx;

	complete(&aru->firmware_loading_complete);
	usb_put_dev(aru->udev);
	return;

 err_unrx:
	ar9170_usb_cancel_urbs(aru);

 err_freefw:
	ar9170_usb_firmware_failed(aru);
}
Пример #2
0
static int ar9170_usb_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	struct ar9170_usb *aru;
	struct ar9170 *ar;
	struct usb_device *udev;
	int err;

	aru = ar9170_alloc(sizeof(*aru));
	if (IS_ERR(aru)) {
		err = PTR_ERR(aru);
		goto out;
	}

	udev = interface_to_usbdev(intf);
	usb_get_dev(udev);
	aru->udev = udev;
	aru->intf = intf;
	ar = &aru->common;

	aru->req_one_stage_fw = ar9170_requires_one_stage(id);

	usb_set_intfdata(intf, aru);
	SET_IEEE80211_DEV(ar->hw, &intf->dev);

	init_usb_anchor(&aru->rx_submitted);
	init_usb_anchor(&aru->tx_pending);
	init_usb_anchor(&aru->tx_submitted);
	init_completion(&aru->cmd_wait);
	spin_lock_init(&aru->tx_urb_lock);

	aru->tx_pending_urbs = 0;
	aru->tx_submitted_urbs = 0;

	aru->common.stop = ar9170_usb_stop;
	aru->common.flush = ar9170_usb_flush;
	aru->common.open = ar9170_usb_open;
	aru->common.tx = ar9170_usb_tx;
	aru->common.exec_cmd = ar9170_usb_exec_cmd;
	aru->common.callback_cmd = ar9170_usb_callback_cmd;

#ifdef CONFIG_PM
	udev->reset_resume = 1;
#endif /* CONFIG_PM */
	err = ar9170_usb_reset(aru);
	if (err)
		goto err_freehw;

	err = ar9170_usb_request_firmware(aru);
	if (err)
		goto err_freehw;

	err = ar9170_usb_init_device(aru);
	if (err)
		goto err_freefw;

	err = ar9170_usb_open(ar);
	if (err)
		goto err_unrx;

	err = ar9170_register(ar, &udev->dev);

	ar9170_usb_stop(ar);
	if (err)
		goto err_unrx;

	return 0;

err_unrx:
	ar9170_usb_cancel_urbs(aru);

err_freefw:
	release_firmware(aru->init_values);
	release_firmware(aru->firmware);

err_freehw:
	usb_set_intfdata(intf, NULL);
	usb_put_dev(udev);
	ieee80211_free_hw(ar->hw);
out:
	return err;
}