248 	struct usb_device *udev = to_usb_device(dev);  in usb_probe_device()  local
259 		error = usb_autoresume_device(udev);  in usb_probe_device()
262 		error = udriver->probe(udev);  in usb_probe_device()
269 	struct usb_device *udev = to_usb_device(dev);  in usb_unbind_device()  local
272 	udriver->disconnect(udev);  in usb_unbind_device()
274 		usb_autosuspend_device(udev);  in usb_unbind_device()
283 	struct usb_device *udev = interface_to_usbdev(intf);  in usb_probe_interface()  local
292 	if (usb_device_is_owned(udev))  in usb_probe_interface()
295 	if (udev->authorized == 0) {  in usb_probe_interface()
308 	error = usb_autoresume_device(udev);  in usb_probe_interface()
335 		lpm_disable_error = usb_unlocked_disable_lpm(udev);  in usb_probe_interface()
346 		error = usb_set_interface(udev, intf->altsetting[0].  in usb_probe_interface()
361 		usb_unlocked_enable_lpm(udev);  in usb_probe_interface()
363 	usb_autosuspend_device(udev);  in usb_probe_interface()
373 		usb_unlocked_enable_lpm(udev);  in usb_probe_interface()
380 	usb_autosuspend_device(udev);  in usb_probe_interface()
390 	struct usb_device *udev;  in usb_unbind_interface()  local
397 	udev = interface_to_usbdev(intf);  in usb_unbind_interface()
398 	error = usb_autoresume_device(udev);  in usb_unbind_interface()
406 		lpm_disable_error = usb_unlocked_disable_lpm(udev);  in usb_unbind_interface()
412 	if (!driver->soft_unbind || udev->state == USB_STATE_NOTATTACHED)  in usb_unbind_interface()
413 		usb_disable_interface(udev, intf, false);  in usb_unbind_interface()
447 		usb_enable_interface(udev, intf, false);  in usb_unbind_interface()
449 		r = usb_set_interface(udev, intf->altsetting[0].  in usb_unbind_interface()
463 		usb_unlocked_enable_lpm(udev);  in usb_unbind_interface()
476 		usb_autosuspend_device(udev);  in usb_unbind_interface()
507 	struct usb_device *udev;  in usb_driver_claim_interface()  local
518 	udev = interface_to_usbdev(iface);  in usb_driver_claim_interface()
528 		lpm_disable_error = usb_unlocked_disable_lpm(udev);  in usb_driver_claim_interface()
556 		usb_unlocked_enable_lpm(udev);  in usb_driver_claim_interface()
1027 static void unbind_marked_interfaces(struct usb_device *udev)  in unbind_marked_interfaces()  argument
1033 	config = udev->actconfig;  in unbind_marked_interfaces()
1074 static void rebind_marked_interfaces(struct usb_device *udev)  in rebind_marked_interfaces()  argument
1080 	config = udev->actconfig;  in rebind_marked_interfaces()
1097 void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev)  in usb_unbind_and_rebind_marked_interfaces()  argument
1099 	unbind_marked_interfaces(udev);  in usb_unbind_and_rebind_marked_interfaces()
1100 	rebind_marked_interfaces(udev);  in usb_unbind_and_rebind_marked_interfaces()
1111 static void unbind_no_pm_drivers_interfaces(struct usb_device *udev)  in unbind_no_pm_drivers_interfaces()  argument
1118 	config = udev->actconfig;  in unbind_no_pm_drivers_interfaces()
1132 static int usb_suspend_device(struct usb_device *udev, pm_message_t msg)  in usb_suspend_device()  argument
1137 	if (udev->state == USB_STATE_NOTATTACHED ||  in usb_suspend_device()
1138 			udev->state == USB_STATE_SUSPENDED)  in usb_suspend_device()
1142 	if (udev->dev.driver)  in usb_suspend_device()
1143 		udriver = to_usb_device_driver(udev->dev.driver);  in usb_suspend_device()
1145 		udev->do_remote_wakeup = 0;  in usb_suspend_device()
1148 	status = udriver->suspend(udev, msg);  in usb_suspend_device()
1151 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_suspend_device()
1155 static int usb_resume_device(struct usb_device *udev, pm_message_t msg)  in usb_resume_device()  argument
1160 	if (udev->state == USB_STATE_NOTATTACHED)  in usb_resume_device()
1164 	if (udev->dev.driver == NULL) {  in usb_resume_device()
1172 	if (!PMSG_IS_AUTO(msg) && udev->parent && udev->bus->hs_companion)  in usb_resume_device()
1173 		device_pm_wait_for_dev(&udev->dev,  in usb_resume_device()
1174 				&udev->bus->hs_companion->root_hub->dev);  in usb_resume_device()
1176 	if (udev->quirks & USB_QUIRK_RESET_RESUME)  in usb_resume_device()
1177 		udev->reset_resume = 1;  in usb_resume_device()
1179 	udriver = to_usb_device_driver(udev->dev.driver);  in usb_resume_device()
1180 	status = udriver->resume(udev, msg);  in usb_resume_device()
1183 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_resume_device()
1187 static int usb_suspend_interface(struct usb_device *udev,  in usb_suspend_interface()  argument
1193 	if (udev->state == USB_STATE_NOTATTACHED ||  in usb_suspend_interface()
1208 static int usb_resume_interface(struct usb_device *udev,  in usb_resume_interface()  argument
1214 	if (udev->state == USB_STATE_NOTATTACHED)  in usb_resume_interface()
1226 			usb_set_interface(udev, intf->altsetting[0].  in usb_resume_interface()
1289 static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)  in usb_suspend_both()  argument
1295 	if (udev->state == USB_STATE_NOTATTACHED ||  in usb_suspend_both()
1296 			udev->state == USB_STATE_SUSPENDED)  in usb_suspend_both()
1300 	if (udev->actconfig) {  in usb_suspend_both()
1301 		n = udev->actconfig->desc.bNumInterfaces;  in usb_suspend_both()
1303 			intf = udev->actconfig->interface[i];  in usb_suspend_both()
1304 			status = usb_suspend_interface(udev, intf, msg);  in usb_suspend_both()
1314 		status = usb_suspend_device(udev, msg);  in usb_suspend_both()
1322 		if (udev->parent && !PMSG_IS_AUTO(msg))  in usb_suspend_both()
1328 		if (udev->actconfig) {  in usb_suspend_both()
1331 				intf = udev->actconfig->interface[i];  in usb_suspend_both()
1332 				usb_resume_interface(udev, intf, msg, 0);  in usb_suspend_both()
1340 		udev->can_submit = 0;  in usb_suspend_both()
1342 			usb_hcd_flush_endpoint(udev, udev->ep_out[i]);  in usb_suspend_both()
1343 			usb_hcd_flush_endpoint(udev, udev->ep_in[i]);  in usb_suspend_both()
1348 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_suspend_both()
1372 static int usb_resume_both(struct usb_device *udev, pm_message_t msg)  in usb_resume_both()  argument
1378 	if (udev->state == USB_STATE_NOTATTACHED) {  in usb_resume_both()
1382 	udev->can_submit = 1;  in usb_resume_both()
1385 	if (udev->state == USB_STATE_SUSPENDED || udev->reset_resume)  in usb_resume_both()
1386 		status = usb_resume_device(udev, msg);  in usb_resume_both()
1389 	if (status == 0 && udev->actconfig) {  in usb_resume_both()
1390 		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {  in usb_resume_both()
1391 			intf = udev->actconfig->interface[i];  in usb_resume_both()
1392 			usb_resume_interface(udev, intf, msg,  in usb_resume_both()
1393 					udev->reset_resume);  in usb_resume_both()
1396 	usb_mark_last_busy(udev);  in usb_resume_both()
1399 	dev_vdbg(&udev->dev, "%s: status %d\n", __func__, status);  in usb_resume_both()
1401 		udev->reset_resume = 0;  in usb_resume_both()
1405 static void choose_wakeup(struct usb_device *udev, pm_message_t msg)  in choose_wakeup()  argument
1414 		if (udev->state != USB_STATE_SUSPENDED)  in choose_wakeup()
1415 			udev->do_remote_wakeup = 0;  in choose_wakeup()
1422 	w = device_may_wakeup(&udev->dev);  in choose_wakeup()
1427 	if (udev->state == USB_STATE_SUSPENDED && w != udev->do_remote_wakeup)  in choose_wakeup()
1428 		pm_runtime_resume(&udev->dev);  in choose_wakeup()
1429 	udev->do_remote_wakeup = w;  in choose_wakeup()
1435 	struct usb_device	*udev = to_usb_device(dev);  in usb_suspend()  local
1437 	unbind_no_pm_drivers_interfaces(udev);  in usb_suspend()
1443 	choose_wakeup(udev, msg);  in usb_suspend()
1444 	return usb_suspend_both(udev, msg);  in usb_suspend()
1450 	struct usb_device *udev = to_usb_device(dev);  in usb_resume_complete()  local
1455 	if (udev->state != USB_STATE_NOTATTACHED)  in usb_resume_complete()
1456 		rebind_marked_interfaces(udev);  in usb_resume_complete()
1463 	struct usb_device	*udev = to_usb_device(dev);  in usb_resume()  local
1473 	status = usb_resume_both(udev, msg);  in usb_resume()
1478 		unbind_marked_interfaces(udev);  in usb_resume()
1499 void usb_enable_autosuspend(struct usb_device *udev)  in usb_enable_autosuspend()  argument
1501 	pm_runtime_allow(&udev->dev);  in usb_enable_autosuspend()
1514 void usb_disable_autosuspend(struct usb_device *udev)  in usb_disable_autosuspend()  argument
1516 	pm_runtime_forbid(&udev->dev);  in usb_disable_autosuspend()
1536 void usb_autosuspend_device(struct usb_device *udev)  in usb_autosuspend_device()  argument
1540 	usb_mark_last_busy(udev);  in usb_autosuspend_device()
1541 	status = pm_runtime_put_sync_autosuspend(&udev->dev);  in usb_autosuspend_device()
1542 	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",  in usb_autosuspend_device()
1543 			__func__, atomic_read(&udev->dev.power.usage_count),  in usb_autosuspend_device()
1567 int usb_autoresume_device(struct usb_device *udev)  in usb_autoresume_device()  argument
1571 	status = pm_runtime_get_sync(&udev->dev);  in usb_autoresume_device()
1573 		pm_runtime_put_sync(&udev->dev);  in usb_autoresume_device()
1574 	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",  in usb_autoresume_device()
1575 			__func__, atomic_read(&udev->dev.power.usage_count),  in usb_autoresume_device()
1599 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface()  local
1602 	usb_mark_last_busy(udev);  in usb_autopm_put_interface()
1628 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_async()  local
1631 	usb_mark_last_busy(udev);  in usb_autopm_put_interface_async()
1651 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_no_suspend()  local
1653 	usb_mark_last_busy(udev);  in usb_autopm_put_interface_no_suspend()
1742 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_get_interface_no_resume()  local
1744 	usb_mark_last_busy(udev);  in usb_autopm_get_interface_no_resume()
1751 static int autosuspend_check(struct usb_device *udev)  in autosuspend_check()  argument
1760 	if (udev->actconfig) {  in autosuspend_check()
1761 		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {  in autosuspend_check()
1762 			intf = udev->actconfig->interface[i];  in autosuspend_check()
1779 			if (udev->quirks & USB_QUIRK_RESET_RESUME) {  in autosuspend_check()
1789 	if (w && !device_can_wakeup(&udev->dev)) {  in autosuspend_check()
1790 		dev_dbg(&udev->dev, "remote wakeup needed for autosuspend\n");  in autosuspend_check()
1799 	if (w && udev->parent == udev->bus->root_hub &&  in autosuspend_check()
1800 			bus_to_hcd(udev->bus)->cant_recv_wakeups) {  in autosuspend_check()
1801 		dev_dbg(&udev->dev, "HCD doesn't handle wakeup requests\n");  in autosuspend_check()
1805 	udev->do_remote_wakeup = w;  in autosuspend_check()
1811 	struct usb_device	*udev = to_usb_device(dev);  in usb_runtime_suspend()  local
1818 	if (autosuspend_check(udev) != 0)  in usb_runtime_suspend()
1821 	status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);  in usb_runtime_suspend()
1825 		usb_mark_last_busy(udev);  in usb_runtime_suspend()
1833 	if (status != 0 && udev->parent)  in usb_runtime_suspend()
1840 	struct usb_device	*udev = to_usb_device(dev);  in usb_runtime_resume()  local
1846 	status = usb_resume_both(udev, PMSG_AUTO_RESUME);  in usb_runtime_resume()
1852 	struct usb_device	*udev = to_usb_device(dev);  in usb_runtime_idle()  local
1857 	if (autosuspend_check(udev) == 0)  in usb_runtime_idle()
1863 int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)  in usb_set_usb2_hardware_lpm()  argument
1865 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);  in usb_set_usb2_hardware_lpm()
1868 	if (enable && !udev->usb2_hw_lpm_allowed)  in usb_set_usb2_hardware_lpm()
1872 		ret = hcd->driver->set_usb2_hw_lpm(hcd, udev, enable);  in usb_set_usb2_hardware_lpm()
1874 			udev->usb2_hw_lpm_enabled = enable;  in usb_set_usb2_hardware_lpm()