1208 static int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev,  in xhci_check_args()  argument
1214 	if (!hcd || (check_ep && !ep) || !udev) {  in xhci_check_args()
1218 	if (!udev->parent) {  in xhci_check_args()
1225 		if (!udev->slot_id || !xhci->devs[udev->slot_id]) {  in xhci_check_args()
1231 		virt_dev = xhci->devs[udev->slot_id];  in xhci_check_args()
1232 		if (virt_dev->udev != udev) {  in xhci_check_args()
1246 		struct usb_device *udev, struct xhci_command *command,
1654 int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,  in xhci_drop_endpoint()  argument
1666 	ret = xhci_check_args(hcd, udev, ep, 1, true, __func__);  in xhci_drop_endpoint()
1673 	xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev);  in xhci_drop_endpoint()
1681 	in_ctx = xhci->devs[udev->slot_id]->in_ctx;  in xhci_drop_endpoint()
1682 	out_ctx = xhci->devs[udev->slot_id]->out_ctx;  in xhci_drop_endpoint()
1700 		if (xhci->devs[udev->slot_id]->eps[ep_index].ring != NULL)  in xhci_drop_endpoint()
1712 	xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep);  in xhci_drop_endpoint()
1716 			udev->slot_id,  in xhci_drop_endpoint()
1735 int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,  in xhci_add_endpoint()  argument
1747 	ret = xhci_check_args(hcd, udev, ep, 1, true, __func__);  in xhci_add_endpoint()
1768 	virt_dev = xhci->devs[udev->slot_id];  in xhci_add_endpoint()
1803 	if (xhci_endpoint_init(xhci, virt_dev, udev, ep, GFP_NOIO) < 0) {  in xhci_add_endpoint()
1804 		dev_dbg(&udev->dev, "%s - could not initialize ep %#x\n",  in xhci_add_endpoint()
1821 	ep->hcpriv = udev;  in xhci_add_endpoint()
1825 			udev->slot_id,  in xhci_add_endpoint()
1866 		struct usb_device *udev, u32 *cmd_status)  in xhci_configure_endpoint_result()  argument
1877 		dev_warn(&udev->dev,  in xhci_configure_endpoint_result()
1884 		dev_warn(&udev->dev,  in xhci_configure_endpoint_result()
1891 		dev_warn(&udev->dev, "ERROR: Endpoint drop flag = 0, "  in xhci_configure_endpoint_result()
1897 		dev_warn(&udev->dev,  in xhci_configure_endpoint_result()
1916 		struct usb_device *udev, u32 *cmd_status)  in xhci_evaluate_context_result()  argument
1919 	struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id];  in xhci_evaluate_context_result()
1928 		dev_warn(&udev->dev,  in xhci_evaluate_context_result()
1933 		dev_warn(&udev->dev,  in xhci_evaluate_context_result()
1938 		dev_warn(&udev->dev,  in xhci_evaluate_context_result()
1944 		dev_warn(&udev->dev,  in xhci_evaluate_context_result()
1950 		dev_warn(&udev->dev, "WARN: Max Exit Latency too large\n");  in xhci_evaluate_context_result()
2074 static unsigned int xhci_get_block_size(struct usb_device *udev)  in xhci_get_block_size()  argument
2076 	switch (udev->speed) {  in xhci_get_block_size()
2208 	if (virt_dev->udev->speed == USB_SPEED_SUPER)  in xhci_check_bw_table()
2211 	if (virt_dev->udev->speed == USB_SPEED_HIGH) {  in xhci_check_bw_table()
2224 	block_size = xhci_get_block_size(virt_dev->udev);  in xhci_check_bw_table()
2341 	if (!virt_dev->tt_info && virt_dev->udev->speed == USB_SPEED_HIGH) {  in xhci_check_bw_table()
2399 		struct usb_device *udev,  in xhci_drop_ep_from_interval_table()  argument
2409 	if (udev->speed == USB_SPEED_SUPER) {  in xhci_drop_ep_from_interval_table()
2411 			xhci->devs[udev->slot_id]->bw_table->ss_bw_in -=  in xhci_drop_ep_from_interval_table()
2414 			xhci->devs[udev->slot_id]->bw_table->ss_bw_out -=  in xhci_drop_ep_from_interval_table()
2427 	if (udev->speed == USB_SPEED_HIGH)  in xhci_drop_ep_from_interval_table()
2436 	switch (udev->speed) {  in xhci_drop_ep_from_interval_table()
2462 		struct usb_device *udev,  in xhci_add_ep_to_interval_table()  argument
2473 	if (udev->speed == USB_SPEED_SUPER) {  in xhci_add_ep_to_interval_table()
2475 			xhci->devs[udev->slot_id]->bw_table->ss_bw_in +=  in xhci_add_ep_to_interval_table()
2478 			xhci->devs[udev->slot_id]->bw_table->ss_bw_out +=  in xhci_add_ep_to_interval_table()
2486 	if (udev->speed == USB_SPEED_HIGH)  in xhci_add_ep_to_interval_table()
2495 	switch (udev->speed) {  in xhci_add_ep_to_interval_table()
2585 					virt_dev->udev,  in xhci_reserve_bandwidth()
2597 					virt_dev->udev,  in xhci_reserve_bandwidth()
2622 					virt_dev->udev,  in xhci_reserve_bandwidth()
2634 					virt_dev->udev,  in xhci_reserve_bandwidth()
2646 		struct usb_device *udev,  in xhci_configure_endpoint()  argument
2659 	virt_dev = xhci->devs[udev->slot_id];  in xhci_configure_endpoint()
2689 				udev->slot_id, must_succeed);  in xhci_configure_endpoint()
2693 				udev->slot_id, must_succeed);  in xhci_configure_endpoint()
2709 		ret = xhci_configure_endpoint_result(xhci, udev,  in xhci_configure_endpoint()
2712 		ret = xhci_evaluate_context_result(xhci, udev,  in xhci_configure_endpoint()
2753 int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_check_bandwidth()  argument
2763 	ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);  in xhci_check_bandwidth()
2771 	xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev);  in xhci_check_bandwidth()
2772 	virt_dev = xhci->devs[udev->slot_id];  in xhci_check_bandwidth()
2814 	ret = xhci_configure_endpoint(xhci, udev, command,  in xhci_check_bandwidth()
2857 void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_reset_bandwidth()  argument
2863 	ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);  in xhci_reset_bandwidth()
2868 	xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev);  in xhci_reset_bandwidth()
2869 	virt_dev = xhci->devs[udev->slot_id];  in xhci_reset_bandwidth()
2939 	struct usb_device *udev = td->urb->dev;  in xhci_cleanup_stalled_ring()  local
2943 	ep = &xhci->devs[udev->slot_id]->eps[ep_index];  in xhci_cleanup_stalled_ring()
2947 	xhci_find_new_dequeue_state(xhci, udev->slot_id,  in xhci_cleanup_stalled_ring()
2959 		xhci_queue_new_dequeue_state(xhci, udev->slot_id,  in xhci_cleanup_stalled_ring()
2970 		xhci_setup_input_ctx_for_quirk(xhci, udev->slot_id,  in xhci_cleanup_stalled_ring()
3005 		struct usb_device *udev, struct usb_host_endpoint *ep,  in xhci_check_streams_endpoint()  argument
3014 	ret = xhci_check_args(xhci_to_hcd(xhci), udev, ep, 1, true, __func__);  in xhci_check_streams_endpoint()
3071 		struct usb_device *udev,  in xhci_calculate_streams_and_bitmask()  argument
3081 		ret = xhci_check_streams_endpoint(xhci, udev,  in xhci_calculate_streams_and_bitmask()
3082 				eps[i], udev->slot_id);  in xhci_calculate_streams_and_bitmask()
3103 		struct usb_device *udev,  in xhci_calculate_no_streams_bitmask()  argument
3112 	slot_id = udev->slot_id;  in xhci_calculate_no_streams_bitmask()
3159 int xhci_alloc_streams(struct usb_hcd *hcd, struct usb_device *udev,  in xhci_alloc_streams()  argument
3209 	ret = xhci_calculate_streams_and_bitmask(xhci, udev, eps,  in xhci_alloc_streams()
3223 	vdev = xhci->devs[udev->slot_id];  in xhci_alloc_streams()
3273 	ret = xhci_configure_endpoint(xhci, udev, config_cmd,  in xhci_alloc_streams()
3288 			 udev->slot_id, ep_index);  in xhci_alloc_streams()
3320 int xhci_free_streams(struct usb_hcd *hcd, struct usb_device *udev,  in xhci_free_streams()  argument
3334 	vdev = xhci->devs[udev->slot_id];  in xhci_free_streams()
3339 			udev, eps, num_eps);  in xhci_free_streams()
3364 		xhci->devs[udev->slot_id]->eps[ep_index].ep_state |=  in xhci_free_streams()
3380 	ret = xhci_configure_endpoint(xhci, udev, command,  in xhci_free_streams()
3452 int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_discover_or_reset_device()  argument
3464 	ret = xhci_check_args(hcd, udev, NULL, 0, false, __func__);  in xhci_discover_or_reset_device()
3468 	slot_id = udev->slot_id;  in xhci_discover_or_reset_device()
3473 		ret = xhci_alloc_dev(hcd, udev);  in xhci_discover_or_reset_device()
3483 	if (virt_dev->udev != udev) {  in xhci_discover_or_reset_device()
3491 		ret = xhci_alloc_dev(hcd, udev);  in xhci_discover_or_reset_device()
3593 					udev,  in xhci_discover_or_reset_device()
3615 void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_free_dev()  argument
3638 	ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);  in xhci_free_dev()
3647 	virt_dev = xhci->devs[udev->slot_id];  in xhci_free_dev()
3660 		xhci_free_virt_device(xhci, udev->slot_id);  in xhci_free_dev()
3667 				    udev->slot_id)) {  in xhci_free_dev()
3708 int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_alloc_dev()  argument
3763 	if (!xhci_alloc_virt_device(xhci, slot_id, udev, GFP_NOIO)) {  in xhci_alloc_dev()
3767 	udev->slot_id = slot_id;  in xhci_alloc_dev()
3790 				     udev->slot_id))  in xhci_alloc_dev()
3802 static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,  in xhci_setup_device()  argument
3820 	if (!udev->slot_id) {  in xhci_setup_device()
3822 				"Bad Slot ID %d", udev->slot_id);  in xhci_setup_device()
3827 	virt_dev = xhci->devs[udev->slot_id];  in xhci_setup_device()
3836 			udev->slot_id);  in xhci_setup_device()
3873 		xhci_setup_addressable_virt_dev(xhci, udev);  in xhci_setup_device()
3876 		xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev);  in xhci_setup_device()
3880 	xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);  in xhci_setup_device()
3887 					udev->slot_id, setup);  in xhci_setup_device()
3913 			 act, udev->slot_id);  in xhci_setup_device()
3917 		dev_warn(&udev->dev, "Device not responding to setup %s.\n", act);  in xhci_setup_device()
3921 		dev_warn(&udev->dev,  in xhci_setup_device()
3933 		xhci_dbg(xhci, "Slot ID %d Output Context:\n", udev->slot_id);  in xhci_setup_device()
3946 		udev->slot_id,  in xhci_setup_device()
3947 		&xhci->dcbaa->dev_context_ptrs[udev->slot_id],  in xhci_setup_device()
3949 		le64_to_cpu(xhci->dcbaa->dev_context_ptrs[udev->slot_id]));  in xhci_setup_device()
3953 	xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);  in xhci_setup_device()
3957 	xhci_dbg(xhci, "Slot ID %d Output Context:\n", udev->slot_id);  in xhci_setup_device()
3979 int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_address_device()  argument
3981 	return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ADDRESS);  in xhci_address_device()
3984 int xhci_enable_device(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_enable_device()  argument
3986 	return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ONLY);  in xhci_enable_device()
4016 			struct usb_device *udev, u16 max_exit_latency)  in xhci_change_max_exit_latency()  argument
4027 	virt_dev = xhci->devs[udev->slot_id];  in xhci_change_max_exit_latency()
4061 	xhci_dbg(xhci, "Slot %u Input Context:\n", udev->slot_id);  in xhci_change_max_exit_latency()
4065 	ret = xhci_configure_endpoint(xhci, udev, command,  in xhci_change_max_exit_latency()
4067 	xhci_dbg(xhci, "Slot %u Output Context:\n", udev->slot_id);  in xhci_change_max_exit_latency()
4086 					struct usb_device *udev)  in xhci_calculate_hird_besl()  argument
4093 	field = le32_to_cpu(udev->bos->ext_cap->bmAttributes);  in xhci_calculate_hird_besl()
4120 static int xhci_calculate_usb2_hw_lpm_params(struct usb_device *udev)  in xhci_calculate_usb2_hw_lpm_params()  argument
4127 	field = le32_to_cpu(udev->bos->ext_cap->bmAttributes);  in xhci_calculate_usb2_hw_lpm_params()
4130 	l1 = udev->l1_params.timeout / 256;  in xhci_calculate_usb2_hw_lpm_params()
4142 			struct usb_device *udev, int enable)  in xhci_set_usb2_hardware_lpm()  argument
4154 			!udev->lpm_capable)  in xhci_set_usb2_hardware_lpm()
4157 	if (!udev->parent || udev->parent->parent ||  in xhci_set_usb2_hardware_lpm()
4158 			udev->descriptor.bDeviceClass == USB_CLASS_HUB)  in xhci_set_usb2_hardware_lpm()
4161 	if (udev->usb2_hw_lpm_capable != 1)  in xhci_set_usb2_hardware_lpm()
4167 	port_num = udev->portnum - 1;  in xhci_set_usb2_hardware_lpm()
4171 	field = le32_to_cpu(udev->bos->ext_cap->bmAttributes);  in xhci_set_usb2_hardware_lpm()
4178 		if (udev->usb2_hw_lpm_besl_capable) {  in xhci_set_usb2_hardware_lpm()
4187 				hird = udev->l1_params.besl;  in xhci_set_usb2_hardware_lpm()
4200 			ret = xhci_change_max_exit_latency(xhci, udev,  in xhci_set_usb2_hardware_lpm()
4208 			hlpm_val = xhci_calculate_usb2_hw_lpm_params(udev);  in xhci_set_usb2_hardware_lpm()
4213 			hird = xhci_calculate_hird_besl(xhci, udev);  in xhci_set_usb2_hardware_lpm()
4217 		pm_val |= PORT_HIRD(hird) | PORT_RWE | PORT_L1DS(udev->slot_id);  in xhci_set_usb2_hardware_lpm()
4229 		if (udev->usb2_hw_lpm_besl_capable) {  in xhci_set_usb2_hardware_lpm()
4232 			xhci_change_max_exit_latency(xhci, udev, 0);  in xhci_set_usb2_hardware_lpm()
4265 int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_update_device()  argument
4268 	int		portnum = udev->portnum - 1;  in xhci_update_device()
4271 			!udev->lpm_capable)  in xhci_update_device()
4275 	if (!udev->parent || udev->parent->parent ||  in xhci_update_device()
4276 			udev->descriptor.bDeviceClass == USB_CLASS_HUB)  in xhci_update_device()
4282 		udev->usb2_hw_lpm_capable = 1;  in xhci_update_device()
4283 		udev->l1_params.timeout = XHCI_L1_TIMEOUT;  in xhci_update_device()
4284 		udev->l1_params.besl = XHCI_DEFAULT_BESL;  in xhci_update_device()
4287 			udev->usb2_hw_lpm_besl_capable = 1;  in xhci_update_device()
4302 static u16 xhci_get_timeout_no_hub_lpm(struct usb_device *udev,  in xhci_get_timeout_no_hub_lpm()  argument
4313 		sel = DIV_ROUND_UP(udev->u1_params.sel, 1000);  in xhci_get_timeout_no_hub_lpm()
4314 		pel = DIV_ROUND_UP(udev->u1_params.pel, 1000);  in xhci_get_timeout_no_hub_lpm()
4319 		sel = DIV_ROUND_UP(udev->u2_params.sel, 1000);  in xhci_get_timeout_no_hub_lpm()
4320 		pel = DIV_ROUND_UP(udev->u2_params.pel, 1000);  in xhci_get_timeout_no_hub_lpm()
4325 		dev_warn(&udev->dev, "%s: Can't get timeout for non-U1 or U2 state.\n",  in xhci_get_timeout_no_hub_lpm()
4334 		dev_dbg(&udev->dev, "Device-initiated %s disabled "  in xhci_get_timeout_no_hub_lpm()
4338 		dev_dbg(&udev->dev, "Device-initiated %s disabled "  in xhci_get_timeout_no_hub_lpm()
4353 		struct usb_device *udev,  in xhci_calculate_intel_u1_timeout()  argument
4363 		timeout_ns = udev->u1_params.sel * 3;  in xhci_calculate_intel_u1_timeout()
4366 		timeout_ns = udev->u1_params.sel * 5;  in xhci_calculate_intel_u1_timeout()
4371 			timeout_ns = udev->u1_params.sel * 3;  in xhci_calculate_intel_u1_timeout()
4378 		if (timeout_ns < udev->u1_params.sel * 2)  in xhci_calculate_intel_u1_timeout()
4379 			timeout_ns = udev->u1_params.sel * 2;  in xhci_calculate_intel_u1_timeout()
4390 		struct usb_device *udev,  in xhci_calculate_u1_timeout()  argument
4396 		timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);  in xhci_calculate_u1_timeout()
4398 		timeout_ns = udev->u1_params.sel;  in xhci_calculate_u1_timeout()
4413 	dev_dbg(&udev->dev, "Hub-initiated U1 disabled "  in xhci_calculate_u1_timeout()
4415 	return xhci_get_timeout_no_hub_lpm(udev, USB3_LPM_U1);  in xhci_calculate_u1_timeout()
4425 		struct usb_device *udev,  in xhci_calculate_intel_u2_timeout()  argument
4437 	u2_del_ns = le16_to_cpu(udev->bos->ss_cap->bU2DevExitLat) * 1000ULL;  in xhci_calculate_intel_u2_timeout()
4446 		struct usb_device *udev,  in xhci_calculate_u2_timeout()  argument
4452 		timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);  in xhci_calculate_u2_timeout()
4454 		timeout_ns = udev->u2_params.sel;  in xhci_calculate_u2_timeout()
4463 	dev_dbg(&udev->dev, "Hub-initiated U2 disabled "  in xhci_calculate_u2_timeout()
4465 	return xhci_get_timeout_no_hub_lpm(udev, USB3_LPM_U2);  in xhci_calculate_u2_timeout()
4469 		struct usb_device *udev,  in xhci_call_host_update_timeout_for_endpoint()  argument
4475 		return xhci_calculate_u1_timeout(xhci, udev, desc);  in xhci_call_host_update_timeout_for_endpoint()
4477 		return xhci_calculate_u2_timeout(xhci, udev, desc);  in xhci_call_host_update_timeout_for_endpoint()
4483 		struct usb_device *udev,  in xhci_update_timeout_for_endpoint()  argument
4490 	alt_timeout = xhci_call_host_update_timeout_for_endpoint(xhci, udev,  in xhci_update_timeout_for_endpoint()
4508 		struct usb_device *udev,  in xhci_update_timeout_for_interface()  argument
4516 		if (xhci_update_timeout_for_endpoint(xhci, udev,  in xhci_update_timeout_for_interface()
4524 static int xhci_check_intel_tier_policy(struct usb_device *udev,  in xhci_check_intel_tier_policy()  argument
4534 	for (parent = udev->parent, num_hubs = 0; parent->parent;  in xhci_check_intel_tier_policy()
4541 	dev_dbg(&udev->dev, "Disabling U1 link state for device"  in xhci_check_intel_tier_policy()
4543 	dev_dbg(&udev->dev, "Plug device into first-tier hub "  in xhci_check_intel_tier_policy()
4549 		struct usb_device *udev,  in xhci_check_tier_policy()  argument
4553 		return xhci_check_intel_tier_policy(udev, state);  in xhci_check_tier_policy()
4564 			struct usb_device *udev, enum usb3_link_state state)  in xhci_calculate_lpm_timeout()  argument
4577 		dev_warn(&udev->dev, "Can't enable unknown link state %i\n",  in xhci_calculate_lpm_timeout()
4582 	if (xhci_check_tier_policy(xhci, udev, state) < 0)  in xhci_calculate_lpm_timeout()
4588 	if (xhci_update_timeout_for_endpoint(xhci, udev, &udev->ep0.desc,  in xhci_calculate_lpm_timeout()
4592 	config = udev->actconfig;  in xhci_calculate_lpm_timeout()
4609 				dev_dbg(&udev->dev, "Hub-initiated %s disabled "  in xhci_calculate_lpm_timeout()
4612 				return xhci_get_timeout_no_hub_lpm(udev, state);  in xhci_calculate_lpm_timeout()
4620 		if (xhci_update_timeout_for_interface(xhci, udev,  in xhci_calculate_lpm_timeout()
4628 static int calculate_max_exit_latency(struct usb_device *udev,  in calculate_max_exit_latency()  argument
4653 	if ((udev->u1_params.timeout != USB3_LPM_DISABLED && !disabling_u1) ||  in calculate_max_exit_latency()
4655 		u1_mel_us = DIV_ROUND_UP(udev->u1_params.mel, 1000);  in calculate_max_exit_latency()
4656 	if ((udev->u2_params.timeout != USB3_LPM_DISABLED && !disabling_u2) ||  in calculate_max_exit_latency()
4658 		u2_mel_us = DIV_ROUND_UP(udev->u2_params.mel, 1000);  in calculate_max_exit_latency()
4666 		dev_warn(&udev->dev, "Link PM max exit latency of %lluus "  in calculate_max_exit_latency()
4675 			struct usb_device *udev, enum usb3_link_state state)  in xhci_enable_usb3_lpm_timeout()  argument
4688 			!xhci->devs[udev->slot_id])  in xhci_enable_usb3_lpm_timeout()
4691 	hub_encoded_timeout = xhci_calculate_lpm_timeout(hcd, udev, state);  in xhci_enable_usb3_lpm_timeout()
4692 	mel = calculate_max_exit_latency(udev, state, hub_encoded_timeout);  in xhci_enable_usb3_lpm_timeout()
4699 	ret = xhci_change_max_exit_latency(xhci, udev, mel);  in xhci_enable_usb3_lpm_timeout()
4706 			struct usb_device *udev, enum usb3_link_state state)  in xhci_disable_usb3_lpm_timeout()  argument
4714 			!xhci->devs[udev->slot_id])  in xhci_disable_usb3_lpm_timeout()
4717 	mel = calculate_max_exit_latency(udev, state, USB3_LPM_DISABLED);  in xhci_disable_usb3_lpm_timeout()
4718 	ret = xhci_change_max_exit_latency(xhci, udev, mel);  in xhci_disable_usb3_lpm_timeout()
4726 				struct usb_device *udev, int enable)  in xhci_set_usb2_hardware_lpm()  argument
4731 int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)  in xhci_update_device()  argument
4737 			struct usb_device *udev, enum usb3_link_state state)  in xhci_enable_usb3_lpm_timeout()  argument
4743 			struct usb_device *udev, enum usb3_link_state state)  in xhci_disable_usb3_lpm_timeout()  argument