231 static const struct usb_device_id *usb_match_dynamic_id(struct usb_interface *intf,  in usb_match_dynamic_id()  argument
238 		if (usb_match_one_id(intf, &dynid->id)) {  in usb_match_dynamic_id()
286 	struct usb_interface *intf = to_usb_interface(dev);  in usb_probe_interface()  local
287 	struct usb_device *udev = interface_to_usbdev(intf);  in usb_probe_interface()
294 	intf->needs_binding = 0;  in usb_probe_interface()
300 		dev_err(&intf->dev, "Device is not authorized for usage\n");  in usb_probe_interface()
302 	} else if (intf->authorized == 0) {  in usb_probe_interface()
303 		dev_err(&intf->dev, "Interface %d is not authorized for usage\n",  in usb_probe_interface()
304 				intf->altsetting->desc.bInterfaceNumber);  in usb_probe_interface()
308 	id = usb_match_dynamic_id(intf, driver);  in usb_probe_interface()
310 		id = usb_match_id(intf, driver->id_table);  in usb_probe_interface()
320 	intf->condition = USB_INTERFACE_BINDING;  in usb_probe_interface()
345 			dev_err(&intf->dev, "%s Failed to disable LPM for driver %s\n",  in usb_probe_interface()
353 	if (intf->needs_altsetting0) {  in usb_probe_interface()
354 		error = usb_set_interface(udev, intf->altsetting[0].  in usb_probe_interface()
358 		intf->needs_altsetting0 = 0;  in usb_probe_interface()
361 	error = driver->probe(intf, id);  in usb_probe_interface()
365 	intf->condition = USB_INTERFACE_BOUND;  in usb_probe_interface()
375 	usb_set_intfdata(intf, NULL);  in usb_probe_interface()
376 	intf->needs_remote_wakeup = 0;  in usb_probe_interface()
377 	intf->condition = USB_INTERFACE_UNBOUND;  in usb_probe_interface()
396 	struct usb_interface *intf = to_usb_interface(dev);  in usb_unbind_interface()  local
402 	intf->condition = USB_INTERFACE_UNBINDING;  in usb_unbind_interface()
405 	udev = interface_to_usbdev(intf);  in usb_unbind_interface()
421 		usb_disable_interface(udev, intf, false);  in usb_unbind_interface()
423 	driver->disconnect(intf);  in usb_unbind_interface()
426 	for (i = 0, j = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {  in usb_unbind_interface()
427 		ep = &intf->cur_altsetting->endpoint[i];  in usb_unbind_interface()
439 		usb_free_streams(intf, eps, j, GFP_KERNEL);  in usb_unbind_interface()
449 	if (intf->cur_altsetting->desc.bAlternateSetting == 0) {  in usb_unbind_interface()
453 		usb_enable_interface(udev, intf, false);  in usb_unbind_interface()
454 	} else if (!error && !intf->dev.power.is_prepared) {  in usb_unbind_interface()
455 		r = usb_set_interface(udev, intf->altsetting[0].  in usb_unbind_interface()
458 			intf->needs_altsetting0 = 1;  in usb_unbind_interface()
460 		intf->needs_altsetting0 = 1;  in usb_unbind_interface()
462 	usb_set_intfdata(intf, NULL);  in usb_unbind_interface()
464 	intf->condition = USB_INTERFACE_UNBOUND;  in usb_unbind_interface()
465 	intf->needs_remote_wakeup = 0;  in usb_unbind_interface()
477 	for (r = atomic_read(&intf->pm_usage_cnt); r > 0; --r)  in usb_unbind_interface()
478 		usb_autopm_put_interface_no_suspend(intf);  in usb_unbind_interface()
479 	atomic_set(&intf->pm_usage_cnt, 0);  in usb_unbind_interface()
652 			  struct usb_host_interface *intf,  in usb_match_one_id_intf()  argument
667 	    (id->bInterfaceClass != intf->desc.bInterfaceClass))  in usb_match_one_id_intf()
671 	    (id->bInterfaceSubClass != intf->desc.bInterfaceSubClass))  in usb_match_one_id_intf()
675 	    (id->bInterfaceProtocol != intf->desc.bInterfaceProtocol))  in usb_match_one_id_intf()
679 	    (id->bInterfaceNumber != intf->desc.bInterfaceNumber))  in usb_match_one_id_intf()
689 	struct usb_host_interface *intf;  in usb_match_one_id()  local
696 	intf = interface->cur_altsetting;  in usb_match_one_id()
702 	return usb_match_one_id_intf(dev, intf, id);  in usb_match_one_id()
814 		struct usb_interface *intf;  in usb_device_match()  local
822 		intf = to_usb_interface(dev);  in usb_device_match()
825 		id = usb_match_id(intf, usb_drv->id_table);  in usb_device_match()
829 		id = usb_match_dynamic_id(intf, usb_drv);  in usb_device_match()
844 		struct usb_interface *intf = to_usb_interface(dev);  in usb_uevent()  local
846 		usb_dev = interface_to_usbdev(intf);  in usb_uevent()
1020 void usb_forced_unbind_intf(struct usb_interface *intf)  in usb_forced_unbind_intf()  argument
1022 	struct usb_driver *driver = to_usb_driver(intf->dev.driver);  in usb_forced_unbind_intf()
1024 	dev_dbg(&intf->dev, "forced unbind\n");  in usb_forced_unbind_intf()
1025 	usb_driver_release_interface(driver, intf);  in usb_forced_unbind_intf()
1028 	intf->needs_binding = 1;  in usb_forced_unbind_intf()
1041 	struct usb_interface	*intf;  in unbind_marked_interfaces()  local
1046 			intf = config->interface[i];  in unbind_marked_interfaces()
1047 			if (intf->dev.driver && intf->needs_binding)  in unbind_marked_interfaces()
1048 				usb_forced_unbind_intf(intf);  in unbind_marked_interfaces()
1061 static void usb_rebind_intf(struct usb_interface *intf)  in usb_rebind_intf()  argument
1066 	if (intf->dev.driver)  in usb_rebind_intf()
1067 		usb_forced_unbind_intf(intf);  in usb_rebind_intf()
1070 	if (!intf->dev.power.is_prepared) {  in usb_rebind_intf()
1071 		intf->needs_binding = 0;  in usb_rebind_intf()
1072 		rc = device_attach(&intf->dev);  in usb_rebind_intf()
1074 			dev_warn(&intf->dev, "rebind failed: %d\n", rc);  in usb_rebind_intf()
1088 	struct usb_interface	*intf;  in rebind_marked_interfaces()  local
1093 			intf = config->interface[i];  in rebind_marked_interfaces()
1094 			if (intf->needs_binding)  in rebind_marked_interfaces()
1095 				usb_rebind_intf(intf);  in rebind_marked_interfaces()
1125 	struct usb_interface	*intf;  in unbind_no_pm_drivers_interfaces()  local
1131 			intf = config->interface[i];  in unbind_no_pm_drivers_interfaces()
1133 			if (intf->dev.driver) {  in unbind_no_pm_drivers_interfaces()
1134 				drv = to_usb_driver(intf->dev.driver);  in unbind_no_pm_drivers_interfaces()
1136 					usb_forced_unbind_intf(intf);  in unbind_no_pm_drivers_interfaces()
1198 		struct usb_interface *intf, pm_message_t msg)  in usb_suspend_interface()  argument
1204 			intf->condition == USB_INTERFACE_UNBOUND)  in usb_suspend_interface()
1206 	driver = to_usb_driver(intf->dev.driver);  in usb_suspend_interface()
1209 	status = driver->suspend(intf, msg);  in usb_suspend_interface()
1211 		dev_err(&intf->dev, "suspend error %d\n", status);  in usb_suspend_interface()
1214 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);  in usb_suspend_interface()
1219 		struct usb_interface *intf, pm_message_t msg, int reset_resume)  in usb_resume_interface()  argument
1228 	if (intf->condition == USB_INTERFACE_UNBINDING)  in usb_resume_interface()
1232 	if (intf->condition == USB_INTERFACE_UNBOUND) {  in usb_resume_interface()
1235 		if (intf->needs_altsetting0 && !intf->dev.power.is_prepared) {  in usb_resume_interface()
1236 			usb_set_interface(udev, intf->altsetting[0].  in usb_resume_interface()
1238 			intf->needs_altsetting0 = 0;  in usb_resume_interface()
1244 	if (intf->needs_binding)  in usb_resume_interface()
1246 	driver = to_usb_driver(intf->dev.driver);  in usb_resume_interface()
1250 			status = driver->reset_resume(intf);  in usb_resume_interface()
1252 				dev_err(&intf->dev, "%s error %d\n",  in usb_resume_interface()
1255 			intf->needs_binding = 1;  in usb_resume_interface()
1256 			dev_dbg(&intf->dev, "no reset_resume for driver %s?\n",  in usb_resume_interface()
1260 		status = driver->resume(intf);  in usb_resume_interface()
1262 			dev_err(&intf->dev, "resume error %d\n", status);  in usb_resume_interface()
1266 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);  in usb_resume_interface()
1303 	struct usb_interface	*intf;  in usb_suspend_both()  local
1313 			intf = udev->actconfig->interface[i];  in usb_suspend_both()
1314 			status = usb_suspend_interface(udev, intf, msg);  in usb_suspend_both()
1359 				intf = udev->actconfig->interface[i];  in usb_suspend_both()
1360 				usb_resume_interface(udev, intf, msg, 0);  in usb_suspend_both()
1404 	struct usb_interface	*intf;  in usb_resume_both()  local
1419 			intf = udev->actconfig->interface[i];  in usb_resume_both()
1420 			usb_resume_interface(udev, intf, msg,  in usb_resume_both()
1633 void usb_autopm_put_interface(struct usb_interface *intf)  in usb_autopm_put_interface()  argument
1635 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface()
1639 	atomic_dec(&intf->pm_usage_cnt);  in usb_autopm_put_interface()
1640 	status = pm_runtime_put_sync(&intf->dev);  in usb_autopm_put_interface()
1641 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_put_interface()
1642 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_put_interface()
1662 void usb_autopm_put_interface_async(struct usb_interface *intf)  in usb_autopm_put_interface_async()  argument
1664 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_async()
1668 	atomic_dec(&intf->pm_usage_cnt);  in usb_autopm_put_interface_async()
1669 	status = pm_runtime_put(&intf->dev);  in usb_autopm_put_interface_async()
1670 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_put_interface_async()
1671 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_put_interface_async()
1685 void usb_autopm_put_interface_no_suspend(struct usb_interface *intf)  in usb_autopm_put_interface_no_suspend()  argument
1687 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_no_suspend()
1690 	atomic_dec(&intf->pm_usage_cnt);  in usb_autopm_put_interface_no_suspend()
1691 	pm_runtime_put_noidle(&intf->dev);  in usb_autopm_put_interface_no_suspend()
1714 int usb_autopm_get_interface(struct usb_interface *intf)  in usb_autopm_get_interface()  argument
1718 	status = pm_runtime_get_sync(&intf->dev);  in usb_autopm_get_interface()
1720 		pm_runtime_put_sync(&intf->dev);  in usb_autopm_get_interface()
1722 		atomic_inc(&intf->pm_usage_cnt);  in usb_autopm_get_interface()
1723 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_get_interface()
1724 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_get_interface()
1749 int usb_autopm_get_interface_async(struct usb_interface *intf)  in usb_autopm_get_interface_async()  argument
1753 	status = pm_runtime_get(&intf->dev);  in usb_autopm_get_interface_async()
1755 		pm_runtime_put_noidle(&intf->dev);  in usb_autopm_get_interface_async()
1757 		atomic_inc(&intf->pm_usage_cnt);  in usb_autopm_get_interface_async()
1758 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_get_interface_async()
1759 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_get_interface_async()
1776 void usb_autopm_get_interface_no_resume(struct usb_interface *intf)  in usb_autopm_get_interface_no_resume()  argument
1778 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_get_interface_no_resume()
1781 	atomic_inc(&intf->pm_usage_cnt);  in usb_autopm_get_interface_no_resume()
1782 	pm_runtime_get_noresume(&intf->dev);  in usb_autopm_get_interface_no_resume()
1790 	struct usb_interface	*intf;  in autosuspend_check()  local
1801 			intf = udev->actconfig->interface[i];  in autosuspend_check()
1808 			if (intf->dev.power.disable_depth)  in autosuspend_check()
1810 			if (atomic_read(&intf->dev.power.usage_count) > 0)  in autosuspend_check()
1812 			w |= intf->needs_remote_wakeup;  in autosuspend_check()
1821 				driver = to_usb_driver(intf->dev.driver);  in autosuspend_check()
1823 						intf->needs_remote_wakeup)  in autosuspend_check()