C++ (Cpp) get_usb_intf Examples

Example #1

static void smdhsic_disconnect(struct usb_interface *intf)
{
	int devid;
	struct usb_interface *smd_intf;
	struct str_intf_priv *intfpriv;
	struct usb_device *device = NULL;

	pr_info("%s: Called\n", __func__);

	intfpriv = usb_get_intfdata(intf);
	if (!intfpriv) {
		pr_err("%s: intfpriv is NULL\n", __func__);
		goto err_get_intfdata;
	}
	device = get_usb_device(intfpriv);
	devid = GET_DEVID(intfpriv->devid);
	pr_debug("%s : devid : %d\n", __func__, devid);

	smd_intf = get_usb_intf(intfpriv);
	if (!smd_intf) {
		pr_err("smd_intf is NULL\n");
		goto err_get_usb_intf;
	}

	if (smd_intf != intf) {
		pr_err("smd_intf is not same intf\n");
		goto err_mismatched_intf;
	}

	usb_driver_release_interface(get_usb_driver(intf), smd_intf);

	if (!device)
		usb_put_dev(device);

	pm_runtime_disable(&device->dev);
	if (g_usbdev.hsic)
		cancel_delayed_work(&g_usbdev.hsic->pm_runtime_work);

	switch (devid) {
	case FMT_DEV_ID:
		flush_txurb(&g_usbdev.ipc_urbq);
		flush_txurb(&g_usbdev.data_urbq);
		smdctl_request_connection_recover(true);
	case RAW_DEV_ID:
	case RFS_DEV_ID:
	case CMD_DEV_ID:
	case DOWN_DEV_ID:
		if (emu_discon_func[devid])
			emu_discon_func[devid](g_usbdev.smd_device[devid]);
		else
			kfree(intfpriv->data);
		break;
	default:
		pr_warn("%s:Undefined Callback Function\n",
		       __func__);
	}
	/* to prevent sleep at connection recover
	* when, usb suspend and recover routine overlap
	* it makes huge delay on modem reset
	*/
	wake_lock_timeout(&g_usbdev.txwake, 20*HZ);
	kfree(intfpriv);
	usb_set_intfdata(intf, NULL);
	g_usbdev.usbdev = NULL;
	g_usbdev.suspended = 0;
	g_usbdev.hsic = NULL;
	return;

err_mismatched_intf:
err_get_usb_intf:
	if (!device)
		usb_put_dev(device);
err_get_intfdata:
	pr_err("release(2) : %p\n", intf);
	usb_driver_release_interface(get_usb_driver(intf), intf);
	return;
}

Example #2

File: smd_hsic.c Project: motley-git/Kernel-GT-P7310

static void smdhsic_disconnect(struct usb_interface *intf)
{
	int devid;
	struct usb_interface *smd_intf;
	struct str_intf_priv *intfpriv;
	struct usb_device *device = NULL;

	pr_info("%s: Called\n", __func__);

	intfpriv = usb_get_intfdata(intf);
	if (!intfpriv) {
		pr_err("%s: intfpriv is NULL\n", __func__);
		goto err_get_intfdata;
	}
	device = get_usb_device(intfpriv);
	devid = GET_DEVID(intfpriv->devid);
	pr_debug("%s : devid : %d\n", __func__, devid);

	smd_intf = get_usb_intf(intfpriv);
	if (!smd_intf) {
		pr_err("smd_intf is NULL\n");
		goto err_get_usb_intf;
	}

	if (smd_intf != intf) {
		pr_err("smd_intf is not same intf\n");
		goto err_mismatched_intf;
	}

	usb_driver_release_interface(get_usb_driver(intf), smd_intf);

	if (!device)
		usb_put_dev(device);

	switch (devid) {
	case FMT_DEV_ID:
		pm_runtime_disable(&device->dev);
		if (g_usbdev.hsic)
			cancel_delayed_work(&g_usbdev.hsic->pm_runtime_work);

		smdctl_request_connection_recover(true);
	case RAW_DEV_ID:
	case RFS_DEV_ID:
	case CMD_DEV_ID:
	case DOWN_DEV_ID:
		if (emu_discon_func[devid])
			emu_discon_func[devid](g_usbdev.smd_device[devid]);
		else
			kfree(intfpriv->data);
		break;
	default:
		pr_warn("%s:Undefined Callback Function\n",
		       __func__);
	}

	/* Power on/off kernel-panic workaround,
	 * if USB suspend cmd was queued in power.work before disconnect,
	 * reset the runtime PM request value to PM_REQ_NONE
	 */
	device->dev.power.request = RPM_REQ_NONE;

	kfree(intfpriv);
	usb_set_intfdata(intf, NULL);
	g_usbdev.usbdev = NULL;
	g_usbdev.suspended = 0;
	g_usbdev.hsic = NULL;
	return;

err_mismatched_intf:
err_get_usb_intf:
	if (device)
		usb_put_dev(device);
err_get_intfdata:
	pr_err("release(2) : %p\n", intf);
	usb_driver_release_interface(get_usb_driver(intf), intf);
	return;
}