24 files changed, 123 insertions, 139 deletions
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index b64568cf572c..77eef8acff94 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * DMA memory management for framework level HCD code (hc_driver)
  *
@@ -5,7 +6,6 @@
  * and should work with all USB controllers, regardless of bus type.
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/module.h>
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 883549ee946c..da8acd980fc6 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/usb.h>
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 55dea2e7828f..c2cf62b7043a 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * devices.c
  * (C) Copyright 1999 Randy Dunlap.
@@ -5,20 +6,6 @@
  *     (proc file per device)
  * (C) Copyright 1999 Deti Fliegl (new USB architecture)
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
  *************************************************************
  *
  * <mountpoint>/devices contains USB topology, device, config, class,
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 4ae667d8c238..705c573d0257 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*****************************************************************************/
 
 /*
@@ -5,20 +6,6 @@
  *
  *      Copyright (C) 1999-2000  Thomas Sailer (sailer@ife.ee.ethz.ch)
  *
- *      This program is free software; you can redistribute it and/or modify
- *      it under the terms of the GNU General Public License as published by
- *      the Free Software Foundation; either version 2 of the License, or
- *      (at your option) any later version.
- *
- *      This program is distributed in the hope that it will be useful,
- *      but WITHOUT ANY WARRANTY; without even the implied warranty of
- *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *      GNU General Public License for more details.
- *
- *      You should have received a copy of the GNU General Public License
- *      along with this program; if not, write to the Free Software
- *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
  *  This file implements the usbfs/x/y files, where
  *  x is the bus number and y the device number.
  *
@@ -1833,6 +1820,18 @@ static int proc_unlinkurb(struct usb_dev_state *ps, void __user *arg)
 	return 0;
 }
 
+static void compute_isochronous_actual_length(struct urb *urb)
+{
+	unsigned int i;
+
+	if (urb->number_of_packets > 0) {
+		urb->actual_length = 0;
+		for (i = 0; i < urb->number_of_packets; i++)
+			urb->actual_length +=
+					urb->iso_frame_desc[i].actual_length;
+	}
+}
+
 static int processcompl(struct async *as, void __user * __user *arg)
 {
 	struct urb *urb = as->urb;
@@ -1840,6 +1839,7 @@ static int processcompl(struct async *as, void __user * __user *arg)
 	void __user *addr = as->userurb;
 	unsigned int i;
 
+	compute_isochronous_actual_length(urb);
 	if (as->userbuffer && urb->actual_length) {
 		if (copy_urb_data_to_user(as->userbuffer, urb))
 			goto err_out;
@@ -2008,6 +2008,7 @@ static int processcompl_compat(struct async *as, void __user * __user *arg)
 	void __user *addr = as->userurb;
 	unsigned int i;
 
+	compute_isochronous_actual_length(urb);
 	if (as->userbuffer && urb->actual_length) {
 		if (copy_urb_data_to_user(as->userbuffer, urb))
 			return -EFAULT;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index eb87a259d55c..64262a9a8829 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/usb/driver.c - most of the driver model stuff for usb
  *
@@ -16,7 +17,6 @@
  *	(C) Copyright Greg Kroah-Hartman 2002-2003
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  *
  * NOTE! This is not actually a driver at all, rather this is
  * just a collection of helper routines that implement the
@@ -1340,8 +1340,8 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
 			int err;
 			u16 devstat;
 
-			err = usb_get_status(udev, USB_RECIP_DEVICE, 0,
-					     &devstat);
+			err = usb_get_std_status(udev, USB_RECIP_DEVICE, 0,
+						 &devstat);
 			if (err) {
 				dev_err(&udev->dev,
 					"Failed to suspend device, error %d\n",
@@ -1461,6 +1461,7 @@ static void choose_wakeup(struct usb_device *udev, pm_message_t msg)
 int usb_suspend(struct device *dev, pm_message_t msg)
 {
 	struct usb_device	*udev = to_usb_device(dev);
+	int r;
 
 	unbind_no_pm_drivers_interfaces(udev);
 
@@ -1469,7 +1470,14 @@ int usb_suspend(struct device *dev, pm_message_t msg)
 	 * so we may still need to unbind and rebind upon resume
 	 */
 	choose_wakeup(udev, msg);
-	return usb_suspend_both(udev, msg);
+	r = usb_suspend_both(udev, msg);
+	if (r)
+		return r;
+
+	if (udev->quirks & USB_QUIRK_DISCONNECT_SUSPEND)
+		usb_port_disable(udev);
+
+	return 0;
 }
 
 /* The device lock is held by the PM core */
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index a60bc830a056..1c2c04079676 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/usb/core/endpoint.c
  *
@@ -6,7 +7,6 @@
  * (C) Copyright 2006 Novell Inc.
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  *
  * Endpoint sysfs stuff
  */
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 87ad6b6bfee8..65de6f73b672 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/usb/core/file.c
  *
@@ -14,7 +15,6 @@
  * (C) Copyright Greg Kroah-Hartman 2002-2003
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/module.h>
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c
index bd3e0c5a6db2..83c14dda6300 100644
--- a/drivers/usb/core/generic.c
+++ b/drivers/usb/core/generic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/usb/generic.c - generic driver for USB devices (not interfaces)
  *
@@ -16,7 +17,6 @@
  *	(C) Copyright Greg Kroah-Hartman 2002-2003
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/usb.h>
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index ea829ad798c0..66fe1b78d952 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -1,19 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright David Brownell 2000-2002
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 #include <linux/kernel.h>
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 75ad6718858c..19b5c4afeef2 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright Linus Torvalds 1999
  * (C) Copyright Johannes Erdfelt 1999-2001
@@ -6,20 +7,6 @@
  * (C) Copyright Deti Fliegl 1999
  * (C) Copyright Randy Dunlap 2000
  * (C) Copyright David Brownell 2000-2002
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 #include <linux/bcd.h>
@@ -2558,9 +2545,7 @@ struct usb_hcd *__usb_create_hcd(const struct hc_driver *driver,
 	hcd->self.bus_name = bus_name;
 	hcd->self.uses_dma = (sysdev->dma_mask != NULL);
 
-	init_timer(&hcd->rh_timer);
-	hcd->rh_timer.function = rh_timer_func;
-	hcd->rh_timer.data = (unsigned long) hcd;
+	setup_timer(&hcd->rh_timer, rh_timer_func, (unsigned long)hcd);
 #ifdef CONFIG_PM
 	INIT_WORK(&hcd->wakeup_work, hcd_resume_work);
 #endif
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index e9ce6bb0b22d..7ccdd3d4db84 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * USB hub driver.
  *
@@ -7,7 +8,6 @@
  * (C) Copyright 2001 Brad Hards (bhards@bigpond.net.au)
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/kernel.h>
@@ -1482,7 +1482,7 @@ static int hub_configure(struct usb_hub *hub,
 	/* power budgeting mostly matters with bus-powered hubs,
 	 * and battery-powered root hubs (may provide just 8 mA).
 	 */
-	ret = usb_get_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus);
+	ret = usb_get_std_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus);
 	if (ret) {
 		message = "can't get hub status";
 		goto fail;
@@ -3279,7 +3279,7 @@ static int finish_port_resume(struct usb_device *udev)
 	 */
 	if (status == 0) {
 		devstatus = 0;
-		status = usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus);
+		status = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, &devstatus);
 
 		/* If a normal resume failed, try doing a reset-resume */
 		if (status && !udev->reset_resume && udev->persist_enabled) {
@@ -3303,7 +3303,7 @@ static int finish_port_resume(struct usb_device *udev)
 			if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP))
 				status = usb_disable_remote_wakeup(udev);
 		} else {
-			status = usb_get_status(udev, USB_RECIP_INTERFACE, 0,
+			status = usb_get_std_status(udev, USB_RECIP_INTERFACE, 0,
 					&devstatus);
 			if (!status && devstatus & (USB_INTRF_STAT_FUNC_RW_CAP
 					| USB_INTRF_STAT_FUNC_RW))
@@ -4183,6 +4183,19 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
 	return ret;
 }
 
+/*
+ * usb_port_disable - disable a usb device's upstream port
+ * @udev: device to disable
+ * Context: @udev locked, must be able to sleep.
+ *
+ * Disables a USB device that isn't in active use.
+ */
+int usb_port_disable(struct usb_device *udev)
+{
+	struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent);
+
+	return hub_port_disable(hub, udev->portnum, 0);
+}
 
 /* USB 2.0 spec, 7.1.7.3 / fig 7-29:
  *
@@ -4853,7 +4866,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
 				&& udev->bus_mA <= unit_load) {
 			u16	devstat;
 
-			status = usb_get_status(udev, USB_RECIP_DEVICE, 0,
+			status = usb_get_std_status(udev, USB_RECIP_DEVICE, 0,
 					&devstat);
 			if (status) {
 				dev_dbg(&udev->dev, "get status %d ?\n", status);
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 34c1a7e22aae..2a700ccc868c 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * usb hub driver head file
  *
@@ -8,15 +9,6 @@
  * Copyright (C) 2012 Intel Corp (tianyu.lan@intel.com)
  *
  *  move struct usb_hub to this file.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
  */
 
 #include <linux/usb.h>
diff --git a/drivers/usb/core/ledtrig-usbport.c b/drivers/usb/core/ledtrig-usbport.c
index 1af877942110..9dbb429cd471 100644
--- a/drivers/usb/core/ledtrig-usbport.c
+++ b/drivers/usb/core/ledtrig-usbport.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * USB port LED trigger
  *
  * Copyright (C) 2016 Rafał Miłecki <rafal@milecki.pl>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/device.h>
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 371a07d874a3..77001bcfc504 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1,8 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * message.c - synchronous message handling
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/pci.h>	/* for scatterlist macros */
@@ -918,7 +918,8 @@ int usb_get_device_descriptor(struct usb_device *dev, unsigned int size)
 /**
  * usb_get_status - issues a GET_STATUS call
  * @dev: the device whose status is being checked
- * @type: USB_RECIP_*; for device, interface, or endpoint
+ * @recip: USB_RECIP_*; for device, interface, or endpoint
+ * @type: USB_STATUS_TYPE_*; for standard or PTM status types
  * @target: zero (for device), else interface or endpoint number
  * @data: pointer to two bytes of bitmap data
  * Context: !in_interrupt ()
@@ -937,24 +938,58 @@ int usb_get_device_descriptor(struct usb_device *dev, unsigned int size)
  * Returns 0 and the status value in *@data (in host byte order) on success,
  * or else the status code from the underlying usb_control_msg() call.
  */
-int usb_get_status(struct usb_device *dev, int type, int target, void *data)
+int usb_get_status(struct usb_device *dev, int recip, int type, int target,
+		void *data)
 {
 	int ret;
-	__le16 *status = kmalloc(sizeof(*status), GFP_KERNEL);
+	void *status;
+	int length;
+
+	switch (type) {
+	case USB_STATUS_TYPE_STANDARD:
+		length = 2;
+		break;
+	case USB_STATUS_TYPE_PTM:
+		if (recip != USB_RECIP_DEVICE)
+			return -EINVAL;
 
+		length = 4;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	status =  kmalloc(length, GFP_KERNEL);
 	if (!status)
 		return -ENOMEM;
 
 	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
-		USB_REQ_GET_STATUS, USB_DIR_IN | type, 0, target, status,
-		sizeof(*status), USB_CTRL_GET_TIMEOUT);
+		USB_REQ_GET_STATUS, USB_DIR_IN | recip, USB_STATUS_TYPE_STANDARD,
+		target, status, length, USB_CTRL_GET_TIMEOUT);
 
-	if (ret == 2) {
-		*(u16 *) data = le16_to_cpu(*status);
+	switch (ret) {
+	case 4:
+		if (type != USB_STATUS_TYPE_PTM) {
+			ret = -EIO;
+			break;
+		}
+
+		*(u32 *) data = le32_to_cpu(*(__le32 *) status);
+		ret = 0;
+		break;
+	case 2:
+		if (type != USB_STATUS_TYPE_STANDARD) {
+			ret = -EIO;
+			break;
+		}
+
+		*(u16 *) data = le16_to_cpu(*(__le16 *) status);
 		ret = 0;
-	} else if (ret >= 0) {
+		break;
+	default:
 		ret = -EIO;
 	}
+
 	kfree(status);
 	return ret;
 }
diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c
index b12a463a3e22..ab474b11523e 100644
--- a/drivers/usb/core/notify.c
+++ b/drivers/usb/core/notify.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * All the USB notify logic
  *
@@ -7,7 +8,6 @@
  * but fixed up to not be so broken.
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 
diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c
index 3863bb1ce8c5..2be968353257 100644
--- a/drivers/usb/core/of.c
+++ b/drivers/usb/core/of.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * of.c		The helpers for hcd device tree support
  *
  * Copyright (C) 2016 Freescale Semiconductor, Inc.
  * Author: Peter Chen <peter.chen@freescale.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2  of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/of.h>
diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h
index 085049d37d7a..2ae90158ded7 100644
--- a/drivers/usb/core/otg_whitelist.h
+++ b/drivers/usb/core/otg_whitelist.h
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * drivers/usb/core/otg_whitelist.h
  *
  * Copyright (C) 2004 Texas Instruments
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 /*
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 460c855be0d0..1a01e9ad3804 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * usb port device code
  *
  * Copyright (C) 2012 Intel Corp
  *
  * Author: Lan Tianyu <tianyu.lan@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
  */
 
 #include <linux/slab.h>
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index a6aaf2f193a4..f1dbab6f798f 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -1,14 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * USB device quirk handling logic and table
  *
  * Copyright (c) 2007 Oliver Neukum
  * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 2.
- *
- *
  */
 
 #include <linux/usb.h>
@@ -203,6 +198,12 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
 			USB_QUIRK_STRING_FETCH_255 },
 
+	/* Huawei 4G LTE module */
+	{ USB_DEVICE(0x12d1, 0x15bb), .driver_info =
+			USB_QUIRK_DISCONNECT_SUSPEND },
+	{ USB_DEVICE(0x12d1, 0x15c3), .driver_info =
+			USB_QUIRK_DISCONNECT_SUSPEND },
+
 	/* SKYMEDI USB_DRIVE */
 	{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -221,6 +222,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Corsair Strafe RGB */
 	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT },
 
+	/* Corsair K70 LUX */
+	{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
+
 	/* MIDI keyboard WORLDE MINI */
 	{ USB_DEVICE(0x1c75, 0x0204), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 58d59c5f8592..27bb34043053 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/usb/core/sysfs.c
  *
@@ -8,7 +9,6 @@
  * All of the sysfs file attributes for usb devices and interfaces.
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 
@@ -654,7 +654,8 @@ static int add_power_attributes(struct device *dev)
 		if (udev->usb2_hw_lpm_capable == 1)
 			rc = sysfs_merge_group(&dev->kobj,
 					&usb2_hardware_lpm_attr_group);
-		if (udev->speed == USB_SPEED_SUPER &&
+		if ((udev->speed == USB_SPEED_SUPER ||
+		     udev->speed == USB_SPEED_SUPER_PLUS) &&
 				udev->lpm_capable == 1)
 			rc = sysfs_merge_group(&dev->kobj,
 					&usb3_hardware_lpm_attr_group);
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 47903d510955..f501af0b3079 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/module.h>
@@ -492,6 +492,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 			if ((urb->interval < 6)
 				&& (xfertype == USB_ENDPOINT_XFER_INT))
 				return -EINVAL;
+			/* fall through */
 		default:
 			if (urb->interval <= 0)
 				return -EINVAL;
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index ef9cf4a21afe..84da17460568 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * USB-ACPI glue code
  *
  * Copyright 2012 Red Hat <mjg@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 2.
- *
  */
 #include <linux/module.h>
 #include <linux/usb.h>
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 17681d5638ac..845286f08ab0 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/usb/core/usb.c
  *
@@ -13,7 +14,6 @@
  * (C) Copyright Greg Kroah-Hartman 2002-2003
  *
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  *
  * NOTE! This is not actually a driver at all, rather this is
  * just a collection of helper routines that implement the
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index dc6949248823..2bee08d084ae 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Released under the GPLv2 only.
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <linux/pm.h>
@@ -73,6 +73,7 @@ extern void usb_hub_cleanup(void);
 extern int usb_major_init(void);
 extern void usb_major_cleanup(void);
 extern int usb_device_supports_lpm(struct usb_device *udev);
+extern int usb_port_disable(struct usb_device *udev);
 
 #ifdef	CONFIG_PM