252 	struct usb_device *udev = to_usb_device(dev);  in usb_probe_device()  local
263 		error = usb_autoresume_device(udev);  in usb_probe_device()
268 		error = usb_generic_driver_probe(udev);  in usb_probe_device()
293 	error = udriver->probe(udev);  in usb_probe_device()
296 		udev->use_generic_driver = 1;  in usb_probe_device()
305 	struct usb_device *udev = to_usb_device(dev);  in usb_unbind_device()  local
309 		udriver->disconnect(udev);  in usb_unbind_device()
311 		usb_generic_driver_disconnect(udev);  in usb_unbind_device()
313 		usb_autosuspend_device(udev);  in usb_unbind_device()
322 	struct usb_device *udev = interface_to_usbdev(intf);  in usb_probe_interface()  local
331 	if (usb_device_is_owned(udev))  in usb_probe_interface()
334 	if (udev->authorized == 0) {  in usb_probe_interface()
351 	error = usb_autoresume_device(udev);  in usb_probe_interface()
378 		lpm_disable_error = usb_unlocked_disable_lpm(udev);  in usb_probe_interface()
389 		error = usb_set_interface(udev, intf->altsetting[0].  in usb_probe_interface()
404 		usb_unlocked_enable_lpm(udev);  in usb_probe_interface()
406 	usb_autosuspend_device(udev);  in usb_probe_interface()
416 		usb_unlocked_enable_lpm(udev);  in usb_probe_interface()
423 	usb_autosuspend_device(udev);  in usb_probe_interface()
433 	struct usb_device *udev;  in usb_unbind_interface()  local
440 	udev = interface_to_usbdev(intf);  in usb_unbind_interface()
441 	error = usb_autoresume_device(udev);  in usb_unbind_interface()
449 		lpm_disable_error = usb_unlocked_disable_lpm(udev);  in usb_unbind_interface()
455 	if (!driver->soft_unbind || udev->state == USB_STATE_NOTATTACHED)  in usb_unbind_interface()
456 		usb_disable_interface(udev, intf, false);  in usb_unbind_interface()
488 		usb_enable_interface(udev, intf, false);  in usb_unbind_interface()
490 		r = usb_set_interface(udev, intf->altsetting[0].  in usb_unbind_interface()
504 		usb_unlocked_enable_lpm(udev);  in usb_unbind_interface()
512 		usb_autosuspend_device(udev);  in usb_unbind_interface()
828 const struct usb_device_id *usb_device_match_id(struct usb_device *udev,  in usb_device_match_id()  argument
835 		if (usb_match_device(udev, id))  in usb_device_match_id()
842 bool usb_driver_applicable(struct usb_device *udev,  in usb_driver_applicable()  argument
846 		return usb_device_match_id(udev, udrv->id_table) != NULL &&  in usb_driver_applicable()
847 		       udrv->match(udev);  in usb_driver_applicable()
850 		return usb_device_match_id(udev, udrv->id_table) != NULL;  in usb_driver_applicable()
853 		return udrv->match(udev);  in usb_driver_applicable()
862 		struct usb_device *udev;  in usb_device_match()  local
869 		udev = to_usb_device(dev);  in usb_device_match()
879 		return usb_driver_applicable(udev, udrv);  in usb_device_match()
949 	struct usb_device *udev;  in __usb_bus_reprobe_drivers()  local
956 	udev = to_usb_device(dev);  in __usb_bus_reprobe_drivers()
957 	if (!usb_driver_applicable(udev, new_udriver))  in __usb_bus_reprobe_drivers()
1133 static void unbind_marked_interfaces(struct usb_device *udev)  in unbind_marked_interfaces()  argument
1139 	config = udev->actconfig;  in unbind_marked_interfaces()
1180 static void rebind_marked_interfaces(struct usb_device *udev)  in rebind_marked_interfaces()  argument
1186 	config = udev->actconfig;  in rebind_marked_interfaces()
1203 void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev)  in usb_unbind_and_rebind_marked_interfaces()  argument
1205 	unbind_marked_interfaces(udev);  in usb_unbind_and_rebind_marked_interfaces()
1206 	rebind_marked_interfaces(udev);  in usb_unbind_and_rebind_marked_interfaces()
1217 static void unbind_no_pm_drivers_interfaces(struct usb_device *udev)  in unbind_no_pm_drivers_interfaces()  argument
1224 	config = udev->actconfig;  in unbind_no_pm_drivers_interfaces()
1238 static int usb_suspend_device(struct usb_device *udev, pm_message_t msg)  in usb_suspend_device()  argument
1243 	if (udev->state == USB_STATE_NOTATTACHED ||  in usb_suspend_device()
1244 			udev->state == USB_STATE_SUSPENDED)  in usb_suspend_device()
1248 	if (udev->dev.driver)  in usb_suspend_device()
1249 		udriver = to_usb_device_driver(udev->dev.driver);  in usb_suspend_device()
1251 		udev->do_remote_wakeup = 0;  in usb_suspend_device()
1255 		status = udriver->suspend(udev, msg);  in usb_suspend_device()
1257 		status = usb_generic_driver_suspend(udev, msg);  in usb_suspend_device()
1260 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_suspend_device()
1264 static int usb_resume_device(struct usb_device *udev, pm_message_t msg)  in usb_resume_device()  argument
1269 	if (udev->state == USB_STATE_NOTATTACHED)  in usb_resume_device()
1273 	if (udev->dev.driver == NULL) {  in usb_resume_device()
1281 	if (!PMSG_IS_AUTO(msg) && udev->parent && udev->bus->hs_companion)  in usb_resume_device()
1282 		device_pm_wait_for_dev(&udev->dev,  in usb_resume_device()
1283 				&udev->bus->hs_companion->root_hub->dev);  in usb_resume_device()
1285 	if (udev->quirks & USB_QUIRK_RESET_RESUME)  in usb_resume_device()
1286 		udev->reset_resume = 1;  in usb_resume_device()
1288 	udriver = to_usb_device_driver(udev->dev.driver);  in usb_resume_device()
1290 		status = usb_generic_driver_resume(udev, msg);  in usb_resume_device()
1292 		status = udriver->resume(udev, msg);  in usb_resume_device()
1295 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_resume_device()
1299 static int usb_suspend_interface(struct usb_device *udev,  in usb_suspend_interface()  argument
1305 	if (udev->state == USB_STATE_NOTATTACHED ||  in usb_suspend_interface()
1320 static int usb_resume_interface(struct usb_device *udev,  in usb_resume_interface()  argument
1326 	if (udev->state == USB_STATE_NOTATTACHED)  in usb_resume_interface()
1338 			usb_set_interface(udev, intf->altsetting[0].  in usb_resume_interface()
1401 static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)  in usb_suspend_both()  argument
1407 	if (udev->state == USB_STATE_NOTATTACHED ||  in usb_suspend_both()
1408 			udev->state == USB_STATE_SUSPENDED)  in usb_suspend_both()
1412 	if (udev->actconfig) {  in usb_suspend_both()
1413 		n = udev->actconfig->desc.bNumInterfaces;  in usb_suspend_both()
1415 			intf = udev->actconfig->interface[i];  in usb_suspend_both()
1416 			status = usb_suspend_interface(udev, intf, msg);  in usb_suspend_both()
1426 		status = usb_suspend_device(udev, msg);  in usb_suspend_both()
1434 		if (udev->parent && !PMSG_IS_AUTO(msg))  in usb_suspend_both()
1445 			err = usb_get_std_status(udev, USB_RECIP_DEVICE, 0,  in usb_suspend_both()
1448 				dev_err(&udev->dev,  in usb_suspend_both()
1458 		if (udev->actconfig) {  in usb_suspend_both()
1461 				intf = udev->actconfig->interface[i];  in usb_suspend_both()
1462 				usb_resume_interface(udev, intf, msg, 0);  in usb_suspend_both()
1470 		udev->can_submit = 0;  in usb_suspend_both()
1472 			usb_hcd_flush_endpoint(udev, udev->ep_out[i]);  in usb_suspend_both()
1473 			usb_hcd_flush_endpoint(udev, udev->ep_in[i]);  in usb_suspend_both()
1478 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_suspend_both()
1502 static int usb_resume_both(struct usb_device *udev, pm_message_t msg)  in usb_resume_both()  argument
1508 	if (udev->state == USB_STATE_NOTATTACHED) {  in usb_resume_both()
1512 	udev->can_submit = 1;  in usb_resume_both()
1515 	if (udev->state == USB_STATE_SUSPENDED || udev->reset_resume)  in usb_resume_both()
1516 		status = usb_resume_device(udev, msg);  in usb_resume_both()
1519 	if (status == 0 && udev->actconfig) {  in usb_resume_both()
1520 		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {  in usb_resume_both()
1521 			intf = udev->actconfig->interface[i];  in usb_resume_both()
1522 			usb_resume_interface(udev, intf, msg,  in usb_resume_both()
1523 					udev->reset_resume);  in usb_resume_both()
1526 	usb_mark_last_busy(udev);  in usb_resume_both()
1529 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_resume_both()
1531 		udev->reset_resume = 0;  in usb_resume_both()
1535 static void choose_wakeup(struct usb_device *udev, pm_message_t msg)  in choose_wakeup()  argument
1544 		if (udev->state != USB_STATE_SUSPENDED)  in choose_wakeup()
1545 			udev->do_remote_wakeup = 0;  in choose_wakeup()
1552 	w = device_may_wakeup(&udev->dev);  in choose_wakeup()
1557 	if (udev->state == USB_STATE_SUSPENDED && w != udev->do_remote_wakeup)  in choose_wakeup()
1558 		pm_runtime_resume(&udev->dev);  in choose_wakeup()
1559 	udev->do_remote_wakeup = w;  in choose_wakeup()
1565 	struct usb_device	*udev = to_usb_device(dev);  in usb_suspend()  local
1568 	unbind_no_pm_drivers_interfaces(udev);  in usb_suspend()
1574 	choose_wakeup(udev, msg);  in usb_suspend()
1575 	r = usb_suspend_both(udev, msg);  in usb_suspend()
1579 	if (udev->quirks & USB_QUIRK_DISCONNECT_SUSPEND)  in usb_suspend()
1580 		usb_port_disable(udev);  in usb_suspend()
1588 	struct usb_device *udev = to_usb_device(dev);  in usb_resume_complete()  local
1593 	if (udev->state != USB_STATE_NOTATTACHED)  in usb_resume_complete()
1594 		rebind_marked_interfaces(udev);  in usb_resume_complete()
1601 	struct usb_device	*udev = to_usb_device(dev);  in usb_resume()  local
1611 	status = usb_resume_both(udev, msg);  in usb_resume()
1616 		unbind_marked_interfaces(udev);  in usb_resume()
1637 void usb_enable_autosuspend(struct usb_device *udev)  in usb_enable_autosuspend()  argument
1639 	pm_runtime_allow(&udev->dev);  in usb_enable_autosuspend()
1652 void usb_disable_autosuspend(struct usb_device *udev)  in usb_disable_autosuspend()  argument
1654 	pm_runtime_forbid(&udev->dev);  in usb_disable_autosuspend()
1674 void usb_autosuspend_device(struct usb_device *udev)  in usb_autosuspend_device()  argument
1678 	usb_mark_last_busy(udev);  in usb_autosuspend_device()
1679 	status = pm_runtime_put_sync_autosuspend(&udev->dev);  in usb_autosuspend_device()
1680 	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",  in usb_autosuspend_device()
1681 			__func__, atomic_read(&udev->dev.power.usage_count),  in usb_autosuspend_device()
1705 int usb_autoresume_device(struct usb_device *udev)  in usb_autoresume_device()  argument
1709 	status = pm_runtime_get_sync(&udev->dev);  in usb_autoresume_device()
1711 		pm_runtime_put_sync(&udev->dev);  in usb_autoresume_device()
1712 	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",  in usb_autoresume_device()
1713 			__func__, atomic_read(&udev->dev.power.usage_count),  in usb_autoresume_device()
1737 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface()  local
1740 	usb_mark_last_busy(udev);  in usb_autopm_put_interface()
1765 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_async()  local
1768 	usb_mark_last_busy(udev);  in usb_autopm_put_interface_async()
1787 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_no_suspend()  local
1789 	usb_mark_last_busy(udev);  in usb_autopm_put_interface_no_suspend()
1873 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_get_interface_no_resume()  local
1875 	usb_mark_last_busy(udev);  in usb_autopm_get_interface_no_resume()
1881 static int autosuspend_check(struct usb_device *udev)  in autosuspend_check()  argument
1886 	if (udev->state == USB_STATE_NOTATTACHED)  in autosuspend_check()
1893 	if (udev->actconfig) {  in autosuspend_check()
1894 		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {  in autosuspend_check()
1895 			intf = udev->actconfig->interface[i];  in autosuspend_check()
1912 			if (udev->quirks & USB_QUIRK_RESET_RESUME) {  in autosuspend_check()
1922 	if (w && !device_can_wakeup(&udev->dev)) {  in autosuspend_check()
1923 		dev_dbg(&udev->dev, "remote wakeup needed for autosuspend\n");  in autosuspend_check()
1932 	if (w && udev->parent == udev->bus->root_hub &&  in autosuspend_check()
1933 			bus_to_hcd(udev->bus)->cant_recv_wakeups) {  in autosuspend_check()
1934 		dev_dbg(&udev->dev, "HCD doesn't handle wakeup requests\n");  in autosuspend_check()
1938 	udev->do_remote_wakeup = w;  in autosuspend_check()
1944 	struct usb_device	*udev = to_usb_device(dev);  in usb_runtime_suspend()  local
1951 	if (autosuspend_check(udev) != 0)  in usb_runtime_suspend()
1954 	status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);  in usb_runtime_suspend()
1958 		usb_mark_last_busy(udev);  in usb_runtime_suspend()
1966 	if (status != 0 && udev->parent)  in usb_runtime_suspend()
1973 	struct usb_device	*udev = to_usb_device(dev);  in usb_runtime_resume()  local
1979 	status = usb_resume_both(udev, PMSG_AUTO_RESUME);  in usb_runtime_resume()
1985 	struct usb_device	*udev = to_usb_device(dev);  in usb_runtime_idle()  local
1990 	if (autosuspend_check(udev) == 0)  in usb_runtime_idle()
1996 static int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)  in usb_set_usb2_hardware_lpm()  argument
1998 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);  in usb_set_usb2_hardware_lpm()
2002 		ret = hcd->driver->set_usb2_hw_lpm(hcd, udev, enable);  in usb_set_usb2_hardware_lpm()
2004 			udev->usb2_hw_lpm_enabled = enable;  in usb_set_usb2_hardware_lpm()
2010 int usb_enable_usb2_hardware_lpm(struct usb_device *udev)  in usb_enable_usb2_hardware_lpm()  argument
2012 	if (!udev->usb2_hw_lpm_capable ||  in usb_enable_usb2_hardware_lpm()
2013 	    !udev->usb2_hw_lpm_allowed ||  in usb_enable_usb2_hardware_lpm()
2014 	    udev->usb2_hw_lpm_enabled)  in usb_enable_usb2_hardware_lpm()
2017 	return usb_set_usb2_hardware_lpm(udev, 1);  in usb_enable_usb2_hardware_lpm()
2020 int usb_disable_usb2_hardware_lpm(struct usb_device *udev)  in usb_disable_usb2_hardware_lpm()  argument
2022 	if (!udev->usb2_hw_lpm_enabled)  in usb_disable_usb2_hardware_lpm()
2025 	return usb_set_usb2_hardware_lpm(udev, 0);  in usb_disable_usb2_hardware_lpm()