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()
644 			  struct usb_host_interface *intf,  in usb_match_one_id_intf()  argument
659 	    (id->bInterfaceClass != intf->desc.bInterfaceClass))  in usb_match_one_id_intf()
663 	    (id->bInterfaceSubClass != intf->desc.bInterfaceSubClass))  in usb_match_one_id_intf()
667 	    (id->bInterfaceProtocol != intf->desc.bInterfaceProtocol))  in usb_match_one_id_intf()
671 	    (id->bInterfaceNumber != intf->desc.bInterfaceNumber))  in usb_match_one_id_intf()
681 	struct usb_host_interface *intf;  in usb_match_one_id()  local
688 	intf = interface->cur_altsetting;  in usb_match_one_id()
694 	return usb_match_one_id_intf(dev, intf, id);  in usb_match_one_id()
806 		struct usb_interface *intf;  in usb_device_match()  local
814 		intf = to_usb_interface(dev);  in usb_device_match()
817 		id = usb_match_id(intf, usb_drv->id_table);  in usb_device_match()
821 		id = usb_match_dynamic_id(intf, usb_drv);  in usb_device_match()
836 		struct usb_interface *intf = to_usb_interface(dev);  in usb_uevent()  local
838 		usb_dev = interface_to_usbdev(intf);  in usb_uevent()
1014 void usb_forced_unbind_intf(struct usb_interface *intf)  in usb_forced_unbind_intf()  argument
1016 	struct usb_driver *driver = to_usb_driver(intf->dev.driver);  in usb_forced_unbind_intf()
1018 	dev_dbg(&intf->dev, "forced unbind\n");  in usb_forced_unbind_intf()
1019 	usb_driver_release_interface(driver, intf);  in usb_forced_unbind_intf()
1022 	intf->needs_binding = 1;  in usb_forced_unbind_intf()
1035 	struct usb_interface	*intf;  in unbind_marked_interfaces()  local
1040 			intf = config->interface[i];  in unbind_marked_interfaces()
1041 			if (intf->dev.driver && intf->needs_binding)  in unbind_marked_interfaces()
1042 				usb_forced_unbind_intf(intf);  in unbind_marked_interfaces()
1055 static void usb_rebind_intf(struct usb_interface *intf)  in usb_rebind_intf()  argument
1060 	if (intf->dev.driver)  in usb_rebind_intf()
1061 		usb_forced_unbind_intf(intf);  in usb_rebind_intf()
1064 	if (!intf->dev.power.is_prepared) {  in usb_rebind_intf()
1065 		intf->needs_binding = 0;  in usb_rebind_intf()
1066 		rc = device_attach(&intf->dev);  in usb_rebind_intf()
1068 			dev_warn(&intf->dev, "rebind failed: %d\n", rc);  in usb_rebind_intf()
1082 	struct usb_interface	*intf;  in rebind_marked_interfaces()  local
1087 			intf = config->interface[i];  in rebind_marked_interfaces()
1088 			if (intf->needs_binding)  in rebind_marked_interfaces()
1089 				usb_rebind_intf(intf);  in rebind_marked_interfaces()
1119 	struct usb_interface	*intf;  in unbind_no_pm_drivers_interfaces()  local
1125 			intf = config->interface[i];  in unbind_no_pm_drivers_interfaces()
1127 			if (intf->dev.driver) {  in unbind_no_pm_drivers_interfaces()
1128 				drv = to_usb_driver(intf->dev.driver);  in unbind_no_pm_drivers_interfaces()
1130 					usb_forced_unbind_intf(intf);  in unbind_no_pm_drivers_interfaces()
1192 		struct usb_interface *intf, pm_message_t msg)  in usb_suspend_interface()  argument
1198 			intf->condition == USB_INTERFACE_UNBOUND)  in usb_suspend_interface()
1200 	driver = to_usb_driver(intf->dev.driver);  in usb_suspend_interface()
1203 	status = driver->suspend(intf, msg);  in usb_suspend_interface()
1205 		dev_err(&intf->dev, "suspend error %d\n", status);  in usb_suspend_interface()
1208 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);  in usb_suspend_interface()
1213 		struct usb_interface *intf, pm_message_t msg, int reset_resume)  in usb_resume_interface()  argument
1222 	if (intf->condition == USB_INTERFACE_UNBINDING)  in usb_resume_interface()
1226 	if (intf->condition == USB_INTERFACE_UNBOUND) {  in usb_resume_interface()
1229 		if (intf->needs_altsetting0 && !intf->dev.power.is_prepared) {  in usb_resume_interface()
1230 			usb_set_interface(udev, intf->altsetting[0].  in usb_resume_interface()
1232 			intf->needs_altsetting0 = 0;  in usb_resume_interface()
1238 	if (intf->needs_binding)  in usb_resume_interface()
1240 	driver = to_usb_driver(intf->dev.driver);  in usb_resume_interface()
1244 			status = driver->reset_resume(intf);  in usb_resume_interface()
1246 				dev_err(&intf->dev, "%s error %d\n",  in usb_resume_interface()
1249 			intf->needs_binding = 1;  in usb_resume_interface()
1250 			dev_dbg(&intf->dev, "no reset_resume for driver %s?\n",  in usb_resume_interface()
1254 		status = driver->resume(intf);  in usb_resume_interface()
1256 			dev_err(&intf->dev, "resume error %d\n", status);  in usb_resume_interface()
1260 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);  in usb_resume_interface()
1297 	struct usb_interface	*intf;  in usb_suspend_both()  local
1307 			intf = udev->actconfig->interface[i];  in usb_suspend_both()
1308 			status = usb_suspend_interface(udev, intf, msg);  in usb_suspend_both()
1353 				intf = udev->actconfig->interface[i];  in usb_suspend_both()
1354 				usb_resume_interface(udev, intf, msg, 0);  in usb_suspend_both()
1398 	struct usb_interface	*intf;  in usb_resume_both()  local
1413 			intf = udev->actconfig->interface[i];  in usb_resume_both()
1414 			usb_resume_interface(udev, intf, msg,  in usb_resume_both()
1627 void usb_autopm_put_interface(struct usb_interface *intf)  in usb_autopm_put_interface()  argument
1629 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface()
1633 	status = pm_runtime_put_sync(&intf->dev);  in usb_autopm_put_interface()
1634 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_put_interface()
1635 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_put_interface()
1655 void usb_autopm_put_interface_async(struct usb_interface *intf)  in usb_autopm_put_interface_async()  argument
1657 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_async()
1661 	status = pm_runtime_put(&intf->dev);  in usb_autopm_put_interface_async()
1662 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_put_interface_async()
1663 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_put_interface_async()
1677 void usb_autopm_put_interface_no_suspend(struct usb_interface *intf)  in usb_autopm_put_interface_no_suspend()  argument
1679 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_put_interface_no_suspend()
1682 	pm_runtime_put_noidle(&intf->dev);  in usb_autopm_put_interface_no_suspend()
1705 int usb_autopm_get_interface(struct usb_interface *intf)  in usb_autopm_get_interface()  argument
1709 	status = pm_runtime_get_sync(&intf->dev);  in usb_autopm_get_interface()
1711 		pm_runtime_put_sync(&intf->dev);  in usb_autopm_get_interface()
1712 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_get_interface()
1713 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_get_interface()
1738 int usb_autopm_get_interface_async(struct usb_interface *intf)  in usb_autopm_get_interface_async()  argument
1742 	status = pm_runtime_get(&intf->dev);  in usb_autopm_get_interface_async()
1744 		pm_runtime_put_noidle(&intf->dev);  in usb_autopm_get_interface_async()
1745 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",  in usb_autopm_get_interface_async()
1746 			__func__, atomic_read(&intf->dev.power.usage_count),  in usb_autopm_get_interface_async()
1763 void usb_autopm_get_interface_no_resume(struct usb_interface *intf)  in usb_autopm_get_interface_no_resume()  argument
1765 	struct usb_device	*udev = interface_to_usbdev(intf);  in usb_autopm_get_interface_no_resume()
1768 	pm_runtime_get_noresume(&intf->dev);  in usb_autopm_get_interface_no_resume()
1776 	struct usb_interface	*intf;  in autosuspend_check()  local
1787 			intf = udev->actconfig->interface[i];  in autosuspend_check()
1794 			if (intf->dev.power.disable_depth)  in autosuspend_check()
1796 			if (atomic_read(&intf->dev.power.usage_count) > 0)  in autosuspend_check()
1798 			w |= intf->needs_remote_wakeup;  in autosuspend_check()
1807 				driver = to_usb_driver(intf->dev.driver);  in autosuspend_check()
1809 						intf->needs_remote_wakeup)  in autosuspend_check()