227 static const struct usb_device_id *usb_match_dynamic_id(struct usb_interface *intf,  in usb_match_dynamic_id()  argument
234 		if (usb_match_one_id(intf, &dynid->id)) {  in usb_match_dynamic_id()
282 	struct usb_interface *intf = to_usb_interface(dev);  in usb_probe_interface()  local
283 	struct usb_device *udev = interface_to_usbdev(intf);  in usb_probe_interface()
290 	intf->needs_binding = 0;  in usb_probe_interface()
296 		dev_err(&intf->dev, "Device is not authorized for usage\n");  in usb_probe_interface()
300 	id = usb_match_dynamic_id(intf, driver);  in usb_probe_interface()
302 		id = usb_match_id(intf, driver->id_table);  in usb_probe_interface()
312 	intf->condition = USB_INTERFACE_BINDING;  in usb_probe_interface()
337 			dev_err(&intf->dev, "%s Failed to disable LPM for driver %s\n.",  in usb_probe_interface()
345 	if (intf->needs_altsetting0) {  in usb_probe_interface()
346 		error = usb_set_interface(udev, intf->altsetting[0].  in usb_probe_interface()
350 		intf->needs_altsetting0 = 0;  in usb_probe_interface()
353 	error = driver->probe(intf, id);  in usb_probe_interface()
357 	intf->condition = USB_INTERFACE_BOUND;  in usb_probe_interface()
367 	usb_set_intfdata(intf, NULL);  in usb_probe_interface()
368 	intf->needs_remote_wakeup = 0;  in usb_probe_interface()
369 	intf->condition = USB_INTERFACE_UNBOUND;  in usb_probe_interface()
388 	struct usb_interface *intf = to_usb_interface(dev);  in usb_unbind_interface()  local
394 	intf->condition = USB_INTERFACE_UNBINDING;  in usb_unbind_interface()
397 	udev = interface_to_usbdev(intf);  in usb_unbind_interface()
413 		usb_disable_interface(udev, intf, false);  in usb_unbind_interface()
415 	driver->disconnect(intf);  in usb_unbind_interface()
418 	for (i = 0, j = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {  in usb_unbind_interface()
419 		ep = &intf->cur_altsetting->endpoint[i];  in usb_unbind_interface()
433 		usb_free_streams(intf, eps, j, GFP_KERNEL);  in usb_unbind_interface()
443 	if (intf->cur_altsetting->desc.bAlternateSetting == 0) {  in usb_unbind_interface()
447 		usb_enable_interface(udev, intf, false);  in usb_unbind_interface()
448 	} else if (!error && !intf->dev.power.is_prepared) {  in usb_unbind_interface()
449 		r = usb_set_interface(udev, intf->altsetting[0].  in usb_unbind_interface()
452 			intf->needs_altsetting0 = 1;  in usb_unbind_interface()
454 		intf->needs_altsetting0 = 1;  in usb_unbind_interface()
456 	usb_set_intfdata(intf, NULL);  in usb_unbind_interface()
458 	intf->condition = USB_INTERFACE_UNBOUND;  in usb_unbind_interface()
459 	intf->needs_remote_wakeup = 0;  in usb_unbind_interface()
471 	for (r = atomic_read(&intf->pm_usage_cnt); r > 0; --r)  in usb_unbind_interface()
472 		usb_autopm_put_interface_no_suspend(intf);  in usb_unbind_interface()
473 	atomic_set(&intf->pm_usage_cnt, 0);  in usb_unbind_interface()
642 			  struct usb_host_interface *intf,  in usb_match_one_id_intf()  argument
657 	    (id->bInterfaceClass != intf->desc.bInterfaceClass))  in usb_match_one_id_intf()
661 	    (id->bInterfaceSubClass != intf->desc.bInterfaceSubClass))  in usb_match_one_id_intf()
665 	    (id->bInterfaceProtocol != intf->desc.bInterfaceProtocol))  in usb_match_one_id_intf()
669 	    (id->bInterfaceNumber != intf->desc.bInterfaceNumber))  in usb_match_one_id_intf()
679 	struct usb_host_interface *intf;  in usb_match_one_id()  local
686 	intf = interface->cur_altsetting;  in usb_match_one_id()
692 	return usb_match_one_id_intf(dev, intf, id);  in usb_match_one_id()
804 		struct usb_interface *intf;  in usb_device_match()  local
812 		intf = to_usb_interface(dev);  in usb_device_match()
815 		id = usb_match_id(intf, usb_drv->id_table);  in usb_device_match()
819 		id = usb_match_dynamic_id(intf, usb_drv);  in usb_device_match()
834 		struct usb_interface *intf = to_usb_interface(dev);  in usb_uevent()  local
836 		usb_dev = interface_to_usbdev(intf);  in usb_uevent()
1010 void usb_forced_unbind_intf(struct usb_interface *intf)  in usb_forced_unbind_intf()  argument
1012 	struct usb_driver *driver = to_usb_driver(intf->dev.driver);  in usb_forced_unbind_intf()
1014 	dev_dbg(&intf->dev, "forced unbind\n");  in usb_forced_unbind_intf()
1015 	usb_driver_release_interface(driver, intf);  in usb_forced_unbind_intf()
1018 	intf->needs_binding = 1;  in usb_forced_unbind_intf()
1031 	struct usb_interface	*intf;  in unbind_marked_interfaces()  local
1036 			intf = config->interface[i];  in unbind_marked_interfaces()
1037 			if (intf->dev.driver && intf->needs_binding)  in unbind_marked_interfaces()
1038 				usb_forced_unbind_intf(intf);  in unbind_marked_interfaces()
1051 static void usb_rebind_intf(struct usb_interface *intf)  in usb_rebind_intf()  argument
1056 	if (intf->dev.driver)  in usb_rebind_intf()
1057 		usb_forced_unbind_intf(intf);  in usb_rebind_intf()
1060 	if (!intf->dev.power.is_prepared) {  in usb_rebind_intf()
1061 		intf->needs_binding = 0;  in usb_rebind_intf()
1062 		rc = device_attach(&intf->dev);  in usb_rebind_intf()
1064 			dev_warn(&intf->dev, "rebind failed: %d\n", rc);  in usb_rebind_intf()
1078 	struct usb_interface	*intf;  in rebind_marked_interfaces()  local
1083 			intf = config->interface[i];  in rebind_marked_interfaces()
1084 			if (intf->needs_binding)  in rebind_marked_interfaces()
1085 				usb_rebind_intf(intf);  in rebind_marked_interfaces()
1115 	struct usb_interface	*intf;  in unbind_no_pm_drivers_interfaces()  local
1121 			intf = config->interface[i];  in unbind_no_pm_drivers_interfaces()
1123 			if (intf->dev.driver) {  in unbind_no_pm_drivers_interfaces()
1124 				drv = to_usb_driver(intf->dev.driver);  in unbind_no_pm_drivers_interfaces()
1126 					usb_forced_unbind_intf(intf);  in unbind_no_pm_drivers_interfaces()
1188 		struct usb_interface *intf, pm_message_t msg)  in usb_suspend_interface()  argument
1194 			intf->condition == USB_INTERFACE_UNBOUND)  in usb_suspend_interface()
1196 	driver = to_usb_driver(intf->dev.driver);  in usb_suspend_interface()
1199 	status = driver->suspend(intf, msg);  in usb_suspend_interface()
1201 		dev_err(&intf->dev, "suspend error %d\n", status);  in usb_suspend_interface()
1204 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);  in usb_suspend_interface()
1209 		struct usb_interface *intf, pm_message_t msg, int reset_resume)  in usb_resume_interface()  argument
1218 	if (intf->condition == USB_INTERFACE_UNBINDING)  in usb_resume_interface()
1222 	if (intf->condition == USB_INTERFACE_UNBOUND) {  in usb_resume_interface()
1225 		if (intf->needs_altsetting0 && !intf->dev.power.is_prepared) {  in usb_resume_interface()
1226 			usb_set_interface(udev, intf->altsetting[0].  in usb_resume_interface()
1228 			intf->needs_altsetting0 = 0;  in usb_resume_interface()
1234 	if (intf->needs_binding)  in usb_resume_interface()
1236 	driver = to_usb_driver(intf->dev.driver);  in usb_resume_interface()
1240 			status = driver->reset_resume(intf);  in usb_resume_interface()
1242 				dev_err(&intf->dev, "%s error %d\n",  in usb_resume_interface()
1245 			intf->needs_binding = 1;  in usb_resume_interface()
1246 			dev_dbg(&intf->dev, "no reset_resume for driver %s?\n",  in usb_resume_interface()
1250 		status = driver->resume(intf);  in usb_resume_interface()
1252 			dev_err(&intf->dev, "resume error %d\n", status);  in usb_resume_interface()
1256 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);  in usb_resume_interface()
1293 	struct usb_interface	*intf;  in usb_suspend_both()  local
1303 			intf = udev->actconfig->interface[i];  in usb_suspend_both()
1304 			status = usb_suspend_interface(udev, intf, msg);  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()
1376 	struct usb_interface	*intf;  in usb_resume_both()  local
1391 			intf = udev->actconfig->interface[i];  in usb_resume_both()
1392 			usb_resume_interface(udev, intf, msg,  in usb_resume_both()
1597 void usb_autopm_put_interface(struct usb_interface *intf)  in usb_autopm_put_interface()  argument
1599 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface()
1603 	atomic_dec(&intf->pm_usage_cnt);  in usb_autopm_put_interface()
1604 	status = pm_runtime_put_sync(&intf->dev);  in usb_autopm_put_interface()
1605 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_put_interface()
1606 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_put_interface()
1626 void usb_autopm_put_interface_async(struct usb_interface *intf)  in usb_autopm_put_interface_async()  argument
1628 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_async()
1632 	atomic_dec(&intf->pm_usage_cnt);  in usb_autopm_put_interface_async()
1633 	status = pm_runtime_put(&intf->dev);  in usb_autopm_put_interface_async()
1634 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_put_interface_async()
1635 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_put_interface_async()
1649 void usb_autopm_put_interface_no_suspend(struct usb_interface *intf)  in usb_autopm_put_interface_no_suspend()  argument
1651 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_no_suspend()
1654 	atomic_dec(&intf->pm_usage_cnt);  in usb_autopm_put_interface_no_suspend()
1655 	pm_runtime_put_noidle(&intf->dev);  in usb_autopm_put_interface_no_suspend()
1678 int usb_autopm_get_interface(struct usb_interface *intf)  in usb_autopm_get_interface()  argument
1682 	status = pm_runtime_get_sync(&intf->dev);  in usb_autopm_get_interface()
1684 		pm_runtime_put_sync(&intf->dev);  in usb_autopm_get_interface()
1686 		atomic_inc(&intf->pm_usage_cnt);  in usb_autopm_get_interface()
1687 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_get_interface()
1688 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_get_interface()
1713 int usb_autopm_get_interface_async(struct usb_interface *intf)  in usb_autopm_get_interface_async()  argument
1717 	status = pm_runtime_get(&intf->dev);  in usb_autopm_get_interface_async()
1719 		pm_runtime_put_noidle(&intf->dev);  in usb_autopm_get_interface_async()
1721 		atomic_inc(&intf->pm_usage_cnt);  in usb_autopm_get_interface_async()
1722 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_get_interface_async()
1723 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_get_interface_async()
1740 void usb_autopm_get_interface_no_resume(struct usb_interface *intf)  in usb_autopm_get_interface_no_resume()  argument
1742 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_get_interface_no_resume()
1745 	atomic_inc(&intf->pm_usage_cnt);  in usb_autopm_get_interface_no_resume()
1746 	pm_runtime_get_noresume(&intf->dev);  in usb_autopm_get_interface_no_resume()
1754 	struct usb_interface	*intf;  in autosuspend_check()  local
1762 			intf = udev->actconfig->interface[i];  in autosuspend_check()
1769 			if (intf->dev.power.disable_depth)  in autosuspend_check()
1771 			if (atomic_read(&intf->dev.power.usage_count) > 0)  in autosuspend_check()
1773 			w |= intf->needs_remote_wakeup;  in autosuspend_check()
1782 				driver = to_usb_driver(intf->dev.driver);  in autosuspend_check()
1784 						intf->needs_remote_wakeup)  in autosuspend_check()