107 	if (hub_is_superspeed(hub->hdev))  in portspeed()
118 struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev)  in usb_hub_to_struct_hub()  argument
120 	if (!hdev || !hdev->actconfig || !hdev->maxchild)  in usb_hub_to_struct_hub()
122 	return usb_get_intfdata(hdev->actconfig->interface[0]);  in usb_hub_to_struct_hub()
360 static int get_hub_descriptor(struct usb_device *hdev, void *data)  in get_hub_descriptor()  argument
365 	if (hub_is_superspeed(hdev)) {  in get_hub_descriptor()
374 		ret = usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),  in get_hub_descriptor()
387 static int clear_hub_feature(struct usb_device *hdev, int feature)  in clear_hub_feature()  argument
389 	return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),  in clear_hub_feature()
396 int usb_clear_port_feature(struct usb_device *hdev, int port1, int feature)  in usb_clear_port_feature()  argument
398 	return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),  in usb_clear_port_feature()
406 static int set_port_feature(struct usb_device *hdev, int port1, int feature)  in set_port_feature()  argument
408 	return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),  in set_port_feature()
438 	status = set_port_feature(hub->hdev, (selector << 8) | port1,  in set_port_led()
450 	struct usb_device	*hdev = hub->hdev;  in led_work()  local
455 	if (hdev->state != USB_STATE_CONFIGURED || hub->quiescing)  in led_work()
458 	for (i = 0; i < hdev->maxchild; i++) {  in led_work()
507 		cursor %= hdev->maxchild;  in led_work()
524 static int get_hub_status(struct usb_device *hdev,  in get_hub_status()  argument
531 		status = usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),  in get_hub_status()
541 static int get_port_status(struct usb_device *hdev, int port1,  in get_port_status()  argument
548 		status = usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),  in get_port_status()
561 	ret = get_port_status(hub->hdev, port1, &hub->status->port);  in hub_port_status()
605 void usb_kick_hub_wq(struct usb_device *hdev)  in usb_kick_hub_wq()  argument
607 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in usb_kick_hub_wq()
621 void usb_wakeup_notification(struct usb_device *hdev,  in usb_wakeup_notification()  argument
626 	if (!hdev)  in usb_wakeup_notification()
629 	hub = usb_hub_to_struct_hub(hdev);  in usb_wakeup_notification()
685 hub_clear_tt_buffer(struct usb_device *hdev, u16 devinfo, u16 tt)  in hub_clear_tt_buffer()  argument
690 		int status = usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),  in hub_clear_tt_buffer()
696 	return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),  in hub_clear_tt_buffer()
717 		struct usb_device	*hdev = hub->hdev;  in hub_tt_work()  local
727 		status = hub_clear_tt_buffer(hdev, clear->devinfo, clear->tt);  in hub_tt_work()
729 			dev_err(&hdev->dev,  in hub_tt_work()
756 int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub,  in usb_hub_set_port_power()  argument
762 		ret = set_port_feature(hdev, port1, USB_PORT_FEAT_POWER);  in usb_hub_set_port_power()
764 		ret = usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_POWER);  in usb_hub_set_port_power()
847 	for (port1 = 1; port1 <= hub->hdev->maxchild; port1++)  in hub_power_on()
849 			set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER);  in hub_power_on()
851 			usb_clear_port_feature(hub->hdev, port1,  in hub_power_on()
863 	ret = get_hub_status(hub->hdev, &hub->status->hub);  in hub_hub_status()
880 	return set_port_feature(hub->hdev,  in hub_set_port_link_state()
901 	if (!hub_is_superspeed(hub->hdev))  in hub_usb3_port_disable()
950 	struct usb_device *hdev = hub->hdev;  in hub_port_disable()  local
956 		if (hub_is_superspeed(hub->hdev))  in hub_port_disable()
959 			ret = usb_clear_port_feature(hdev, port1,  in hub_port_disable()
1029 	struct usb_device *hdev = hub->hdev;  in hub_activate()  local
1064 		if (hdev->parent && hub_is_superspeed(hdev)) {  in hub_activate()
1065 			ret = usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),  in hub_activate()
1067 					hdev->level - 1, 0, NULL, 0,  in hub_activate()
1104 			hcd = bus_to_hcd(hdev->bus);  in hub_activate()
1106 				ret = hcd->driver->update_hub_device(hcd, hdev,  in hub_activate()
1128 	for (port1 = 1; port1 <= hdev->maxchild; ++port1) {  in hub_activate()
1157 			if (!hub_is_superspeed(hdev))  in hub_activate()
1158 				usb_clear_port_feature(hdev, port1,  in hub_activate()
1165 			usb_clear_port_feature(hub->hdev, port1,  in hub_activate()
1170 			usb_clear_port_feature(hub->hdev, port1,  in hub_activate()
1175 			usb_clear_port_feature(hub->hdev, port1,  in hub_activate()
1179 				hub_is_superspeed(hub->hdev)) {  in hub_activate()
1181 			usb_clear_port_feature(hub->hdev, port1,  in hub_activate()
1211 			if (portchange || (hub_is_superspeed(hub->hdev) &&  in hub_activate()
1299 	struct usb_device *hdev = hub->hdev;  in hub_quiesce()  local
1309 		for (i = 0; i < hdev->maxchild; ++i) {  in hub_quiesce()
1327 	for (i = 0; i < hub->hdev->maxchild; ++i)  in hub_pm_barrier_for_all_ports()
1357 	struct usb_device *hdev = hub->hdev;  in hub_configure()  local
1391 	ret = get_hub_descriptor(hdev, hub->descriptor);  in hub_configure()
1416 	if (hub_is_superspeed(hdev)) {  in hub_configure()
1426 			!(hub_is_superspeed(hdev))) {  in hub_configure()
1467 	switch (hdev->descriptor.bDeviceProtocol) {  in hub_configure()
1472 		hub->tt.hub = hdev;  in hub_configure()
1475 		ret = usb_set_interface(hdev, 0, 1);  in hub_configure()
1482 		hub->tt.hub = hdev;  in hub_configure()
1489 			hdev->descriptor.bDeviceProtocol);  in hub_configure()
1496 		if (hdev->descriptor.bDeviceProtocol != 0) {  in hub_configure()
1535 	ret = usb_get_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus);  in hub_configure()
1540 	hcd = bus_to_hcd(hdev->bus);  in hub_configure()
1541 	if (hdev == hdev->bus->root_hub) {  in hub_configure()
1543 			hdev->bus_mA = hcd->power_budget;  in hub_configure()
1545 			hdev->bus_mA = full_load * maxchild;  in hub_configure()
1546 		if (hdev->bus_mA >= full_load)  in hub_configure()
1549 			hub->mA_per_port = hdev->bus_mA;  in hub_configure()
1553 		int remaining = hdev->bus_mA -  in hub_configure()
1582 	if (hdev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_SELFPOWER)  in hub_configure()
1597 	pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress);  in hub_configure()
1598 	maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe));  in hub_configure()
1609 	usb_fill_int_urb(hub->urb, hdev, pipe, *hub->buffer, maxp, hub_irq,  in hub_configure()
1625 	hdev->maxchild = i;  in hub_configure()
1626 	for (i = 0; i < hdev->maxchild; i++) {  in hub_configure()
1640 		ret = hcd->driver->update_hub_device(hcd, hdev,  in hub_configure()
1648 	usb_hub_adjust_deviceremovable(hdev, hub->descriptor);  in hub_configure()
1664 	usb_put_dev(hub->hdev);  in hub_release()
1674 	struct usb_device *hdev = interface_to_usbdev(intf);  in hub_disconnect()  local
1691 	port1 = hdev->maxchild;  in hub_disconnect()
1692 	hdev->maxchild = 0;  in hub_disconnect()
1701 	if (hub->hdev->speed == USB_SPEED_HIGH)  in hub_disconnect()
1718 	struct usb_device *hdev;  in hub_probe()  local
1722 	hdev = interface_to_usbdev(intf);  in hub_probe()
1761 	if (hdev->dev.power.autosuspend_delay >= 0)  in hub_probe()
1762 		pm_runtime_set_autosuspend_delay(&hdev->dev, 0);  in hub_probe()
1770 	if (hdev->parent) {		/* normal device */  in hub_probe()
1771 		usb_enable_autosuspend(hdev);  in hub_probe()
1773 		const struct hc_driver *drv = bus_to_hcd(hdev->bus)->driver;  in hub_probe()
1776 			usb_enable_autosuspend(hdev);  in hub_probe()
1779 	if (hdev->level == MAX_TOPO_LEVEL) {  in hub_probe()
1786 	if (hdev->parent) {  in hub_probe()
1822 	hub->hdev = hdev;  in hub_probe()
1827 	usb_get_dev(hdev);  in hub_probe()
1833 	if (hdev->speed == USB_SPEED_HIGH)  in hub_probe()
1849 	struct usb_device *hdev = interface_to_usbdev(intf);  in hub_ioctl()  local
1850 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in hub_ioctl()
1859 		if (hdev->devnum <= 0)  in hub_ioctl()
1862 			info->nports = hdev->maxchild;  in hub_ioctl()
1885 static int find_port_owner(struct usb_device *hdev, unsigned port1,  in find_port_owner()  argument
1888 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in find_port_owner()
1890 	if (hdev->state == USB_STATE_NOTATTACHED)  in find_port_owner()
1892 	if (port1 == 0 || port1 > hdev->maxchild)  in find_port_owner()
1903 int usb_hub_claim_port(struct usb_device *hdev, unsigned port1,  in usb_hub_claim_port()  argument
1909 	rc = find_port_owner(hdev, port1, &powner);  in usb_hub_claim_port()
1919 int usb_hub_release_port(struct usb_device *hdev, unsigned port1,  in usb_hub_release_port()  argument
1925 	rc = find_port_owner(hdev, port1, &powner);  in usb_hub_release_port()
1935 void usb_hub_release_all_ports(struct usb_device *hdev, struct usb_dev_state *owner)  in usb_hub_release_all_ports()  argument
1937 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in usb_hub_release_all_ports()
1940 	for (n = 0; n < hdev->maxchild; n++) {  in usb_hub_release_all_ports()
2372 	struct usb_device *hdev = udev->parent;  in set_usb_port_removable()  local
2378 	if (!hdev)  in set_usb_port_removable()
2408 	if (hub_is_superspeed(hdev)) {  in set_usb_port_removable()
2620 	if (hub->hdev->parent != NULL)  /* not a root hub? */  in hub_is_wusb()
2622 	hcd = container_of(hub->hdev->bus, struct usb_hcd, self);  in hub_is_wusb()
2662 	if (!hub_is_superspeed(hub->hdev))  in hub_port_warm_reset_required()
2718 	if (!hub_is_superspeed(hub->hdev) &&  in hub_port_wait_reset()
2730 	else if (hub_is_superspeed(hub->hdev))  in hub_port_wait_reset()
2749 	if (!hub_is_superspeed(hub->hdev)) {  in hub_port_reset()
2773 		status = set_port_feature(hub->hdev, port1, (warm ?  in hub_port_reset()
2793 			usb_clear_port_feature(hub->hdev, port1,  in hub_port_reset()
2796 			if (!hub_is_superspeed(hub->hdev))  in hub_port_reset()
2799 			usb_clear_port_feature(hub->hdev, port1,  in hub_port_reset()
2801 			usb_clear_port_feature(hub->hdev, port1,  in hub_port_reset()
2803 			usb_clear_port_feature(hub->hdev, port1,  in hub_port_reset()
2858 	if (!hub_is_superspeed(hub->hdev))  in hub_port_reset()
2869 	if (hub_is_superspeed(hub->hdev)) {  in port_is_power_on()
2901 	if (hub_is_superspeed(hub->hdev)) {  in port_is_suspended()
2961 			usb_clear_port_feature(hub->hdev, port1,  in check_port_resume_type()
2964 			usb_clear_port_feature(hub->hdev, port1,  in check_port_resume_type()
3167 	if (hub_is_superspeed(hub->hdev))  in usb_port_suspend()
3182 		status = set_port_feature(hub->hdev, port1,  in usb_port_suspend()
3224 	usb_mark_last_busy(hub->hdev);  in usb_port_suspend()
3420 	if (hub_is_superspeed(hub->hdev))  in usb_port_resume()
3423 		status = usb_clear_port_feature(hub->hdev,  in usb_port_resume()
3446 		if (hub_is_superspeed(hub->hdev)) {  in usb_port_resume()
3448 				usb_clear_port_feature(hub->hdev, port1,  in usb_port_resume()
3452 				usb_clear_port_feature(hub->hdev, port1,  in usb_port_resume()
3457 	if (udev->persist_enabled && hub_is_superspeed(hub->hdev))  in usb_port_resume()
3506 	struct usb_device *hdev;  in hub_handle_remote_wakeup()  local
3511 	hdev = hub->hdev;  in hub_handle_remote_wakeup()
3513 	if (!hub_is_superspeed(hdev)) {  in hub_handle_remote_wakeup()
3516 		usb_clear_port_feature(hdev, port, USB_PORT_FEAT_C_SUSPEND);  in hub_handle_remote_wakeup()
3545 	for (port1 = 1; port1 <= hub->hdev->maxchild; ++port1) {  in check_ports_changed()
3559 	struct usb_device	*hdev = hub->hdev;  in hub_suspend()  local
3568 	for (port1 = 1; port1 <= hdev->maxchild; port1++) {  in hub_suspend()
3583 	if (hdev->do_remote_wakeup && hub->quirk_check_port_auto_suspend) {  in hub_suspend()
3588 			pm_wakeup_event(&hdev->dev, 2000);  in hub_suspend()
3592 	if (hub_is_superspeed(hdev) && hdev->do_remote_wakeup) {  in hub_suspend()
3594 		for (port1 = 1; port1 <= hdev->maxchild; port1++) {  in hub_suspend()
3595 			status = set_port_feature(hdev,  in hub_suspend()
4165 			usb_clear_port_feature(hub->hdev, port1,  in hub_port_debounce()
4278 	struct usb_device	*hdev = hub->hdev;  in hub_port_init()  local
4279 	struct usb_hcd		*hcd = bus_to_hcd(hdev->bus);  in hub_port_init()
4289 	if (!hdev->parent) {  in hub_port_init()
4291 		if (port1 == hdev->bus->otg_port)  in hub_port_init()
4292 			hdev->bus->b_hnp_enable = 0;  in hub_port_init()
4300 	mutex_lock(&hdev->bus->usb_address0_mutex);  in hub_port_init()
4356 	if (hdev->tt) {  in hub_port_init()
4357 		udev->tt = hdev->tt;  in hub_port_init()
4358 		udev->ttport = hdev->ttport;  in hub_port_init()
4360 			&& hdev->speed == USB_SPEED_HIGH) {  in hub_port_init()
4582 	mutex_unlock(&hdev->bus->usb_address0_mutex);  in hub_port_init()
4617 	struct usb_device *hdev = hub->hdev;  in hub_power_remaining()  local
4624 	remaining = hdev->bus_mA - hub->descriptor->bHubContrCurrent;  in hub_power_remaining()
4625 	for (port1 = 1; port1 <= hdev->maxchild; ++port1) {  in hub_power_remaining()
4644 		else if (port1 != udev->bus->otg_port || hdev->parent)  in hub_power_remaining()
4666 	struct usb_device *hdev = hub->hdev;  in hub_port_connect()  local
4667 	struct usb_hcd *hcd = bus_to_hcd(hdev->bus);  in hub_port_connect()
4674 		if (hcd->usb_phy && !hdev->parent)  in hub_port_connect()
4714 			set_port_feature(hdev, port1, USB_PORT_FEAT_POWER);  in hub_port_connect()
4720 	if (hub_is_superspeed(hub->hdev))  in hub_port_connect()
4731 		udev = usb_alloc_dev(hdev, hdev->bus, port1);  in hub_port_connect()
4740 		udev->level = hdev->level + 1;  in hub_port_connect()
4744 		if (hub_is_superspeed(hub->hdev))  in hub_port_connect()
4816 		if (hdev->state == USB_STATE_NOTATTACHED)  in hub_port_connect()
4833 				if (hcd->usb_phy && !hdev->parent)  in hub_port_connect()
4858 	if (hub->hdev->parent ||  in hub_port_connect()
4868 	if (hcd->driver->relinquish_port && !hub->hdev->parent)  in hub_port_connect()
4899 	if (hub->hdev->bus->is_b_host)  in hub_port_connect_change()
4940 	struct usb_device *hdev = hub->hdev;  in port_event()  local
4951 		usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_C_CONNECTION);  in port_event()
4959 		usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_C_ENABLE);  in port_event()
4977 		usb_clear_port_feature(hdev, port1,  in port_event()
4988 		usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_C_RESET);  in port_event()
4991 	    && hub_is_superspeed(hdev)) {  in port_event()
4993 		usb_clear_port_feature(hdev, port1,  in port_event()
4998 		usb_clear_port_feature(hdev, port1,  in port_event()
5003 		usb_clear_port_feature(hdev, port1,  in port_event()
5041 	struct usb_device *hdev;  in hub_event()  local
5050 	hdev = hub->hdev;  in hub_event()
5055 			hdev->state, hdev->maxchild,  in hub_event()
5062 	usb_lock_device(hdev);  in hub_event()
5067 	if (hdev->state == USB_STATE_NOTATTACHED) {  in hub_event()
5087 		ret = usb_reset_device(hdev);  in hub_event()
5098 	for (i = 1; i <= hdev->maxchild; i++) {  in hub_event()
5130 			clear_hub_feature(hdev, C_HUB_LOCAL_POWER);  in hub_event()
5142 			clear_hub_feature(hdev, C_HUB_OVER_CURRENT);  in hub_event()
5155 	usb_unlock_device(hdev);  in hub_event()
5658 struct usb_device *usb_hub_find_child(struct usb_device *hdev,  in usb_hub_find_child()  argument
5661 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in usb_hub_find_child()
5663 	if (port1 < 1 || port1 > hdev->maxchild)  in usb_hub_find_child()
5669 void usb_hub_adjust_deviceremovable(struct usb_device *hdev,  in usb_hub_adjust_deviceremovable()  argument
5672 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in usb_hub_adjust_deviceremovable()
5679 	if (!hub_is_superspeed(hdev)) {  in usb_hub_adjust_deviceremovable()
5680 		for (i = 1; i <= hdev->maxchild; i++) {  in usb_hub_adjust_deviceremovable()
5696 		for (i = 1; i <= hdev->maxchild; i++) {  in usb_hub_adjust_deviceremovable()
5723 acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,  in usb_get_hub_port_acpi_handle()  argument
5726 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);  in usb_get_hub_port_acpi_handle()