Merge tag 'v4.9.144' into 4.9-2.3.x-imx

This is the 4.9.144 stable release

28 files changed, 195 insertions, 89 deletions

diff --git a/drivers/usb/chipidea/otg.h b/drivers/usb/chipidea/otg.h
index 95fa6c2b675a..ba73a2ad59cb 100644
--- a/drivers/usb/chipidea/otg.h
+++ b/drivers/usb/chipidea/otg.h
@@ -23,7 +23,7 @@ static inline void ci_otg_queue_work(struct ci_hdrc *ci)
 {
 	if (ci->wq) {
 		disable_irq_nosync(ci->irq);
-		if (!queue_work(ci->wq, &ci->work))
+		if (queue_work(ci->wq, &ci->work) == false)
 			enable_irq(ci->irq);
 	} else {
 		WARN_ON(!ci->wq);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 25ae9b9895a9..cd4f96354fa8 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -333,17 +333,17 @@ static void acm_ctrl_irq(struct urb *urb)
 
 		if (difference & ACM_CTRL_DSR)
 			acm->iocount.dsr++;
-		if (difference & ACM_CTRL_BRK)
-			acm->iocount.brk++;
-		if (difference & ACM_CTRL_RI)
-			acm->iocount.rng++;
 		if (difference & ACM_CTRL_DCD)
 			acm->iocount.dcd++;
-		if (difference & ACM_CTRL_FRAMING)
+		if (newctrl & ACM_CTRL_BRK)
+			acm->iocount.brk++;
+		if (newctrl & ACM_CTRL_RI)
+			acm->iocount.rng++;
+		if (newctrl & ACM_CTRL_FRAMING)
 			acm->iocount.frame++;
-		if (difference & ACM_CTRL_PARITY)
+		if (newctrl & ACM_CTRL_PARITY)
 			acm->iocount.parity++;
-		if (difference & ACM_CTRL_OVERRUN)
+		if (newctrl & ACM_CTRL_OVERRUN)
 			acm->iocount.overrun++;
 		spin_unlock(&acm->read_lock);
 
@@ -1659,6 +1659,9 @@ static const struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
 	},
+	{ USB_DEVICE(0x0572, 0x1349), /* Hiro (Conexant) USB MODEM H50228 */
+	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+	},
 	{ USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */
 	.driver_info = QUIRK_CONTROL_LINE_STATE, },
 	{ USB_DEVICE(0x2184, 0x001c) },	/* GW Instek AFG-2225 */
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index adc0f78dc54d..9f001659807a 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -470,7 +470,7 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
 
 	set_bit(WDM_RESPONDING, &desc->flags);
 	spin_unlock_irq(&desc->iuspin);
-	rv = usb_submit_urb(desc->response, GFP_ATOMIC);
+	rv = usb_submit_urb(desc->response, GFP_KERNEL);
 	spin_lock_irq(&desc->iuspin);
 	if (rv) {
 		dev_err(&desc->intf->dev,
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 893ebae51029..52fc2084b310 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1450,10 +1450,13 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
 	struct async *as = NULL;
 	struct usb_ctrlrequest *dr = NULL;
 	unsigned int u, totlen, isofrmlen;
-	int i, ret, is_in, num_sgs = 0, ifnum = -1;
+	int i, ret, num_sgs = 0, ifnum = -1;
 	int number_of_packets = 0;
 	unsigned int stream_id = 0;
 	void *buf;
+	bool is_in;
+	bool allow_short = false;
+	bool allow_zero = false;
 	unsigned long mask =	USBDEVFS_URB_SHORT_NOT_OK |
 				USBDEVFS_URB_BULK_CONTINUATION |
 				USBDEVFS_URB_NO_FSBR |
@@ -1516,6 +1519,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
 			is_in = 0;
 			uurb->endpoint &= ~USB_DIR_IN;
 		}
+		if (is_in)
+			allow_short = true;
 		snoop(&ps->dev->dev, "control urb: bRequestType=%02x "
 			"bRequest=%02x wValue=%04x "
 			"wIndex=%04x wLength=%04x\n",
@@ -1527,6 +1532,10 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
 		break;
 
 	case USBDEVFS_URB_TYPE_BULK:
+		if (!is_in)
+			allow_zero = true;
+		else
+			allow_short = true;
 		switch (usb_endpoint_type(&ep->desc)) {
 		case USB_ENDPOINT_XFER_CONTROL:
 		case USB_ENDPOINT_XFER_ISOC:
@@ -1547,6 +1556,10 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
 		if (!usb_endpoint_xfer_int(&ep->desc))
 			return -EINVAL;
  interrupt_urb:
+		if (!is_in)
+			allow_zero = true;
+		else
+			allow_short = true;
 		break;
 
 	case USBDEVFS_URB_TYPE_ISO:
@@ -1691,16 +1704,21 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
 	u = (is_in ? URB_DIR_IN : URB_DIR_OUT);
 	if (uurb->flags & USBDEVFS_URB_ISO_ASAP)
 		u |= URB_ISO_ASAP;
-	if (uurb->flags & USBDEVFS_URB_SHORT_NOT_OK && is_in)
+	if (allow_short && uurb->flags & USBDEVFS_URB_SHORT_NOT_OK)
 		u |= URB_SHORT_NOT_OK;
 	if (uurb->flags & USBDEVFS_URB_NO_FSBR)
 		u |= URB_NO_FSBR;
-	if (uurb->flags & USBDEVFS_URB_ZERO_PACKET)
+	if (allow_zero && uurb->flags & USBDEVFS_URB_ZERO_PACKET)
 		u |= URB_ZERO_PACKET;
 	if (uurb->flags & USBDEVFS_URB_NO_INTERRUPT)
 		u |= URB_NO_INTERRUPT;
 	as->urb->transfer_flags = u;
 
+	if (!allow_short && uurb->flags & USBDEVFS_URB_SHORT_NOT_OK)
+		dev_warn(&ps->dev->dev, "Requested nonsensical USBDEVFS_URB_SHORT_NOT_OK.\n");
+	if (!allow_zero && uurb->flags & USBDEVFS_URB_ZERO_PACKET)
+		dev_warn(&ps->dev->dev, "Requested nonsensical USBDEVFS_URB_ZERO_PACKET.\n");
+
 	as->urb->transfer_buffer_length = uurb->buffer_length;
 	as->urb->setup_packet = (unsigned char *)dr;
 	dr = NULL;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 0bb380a9fcf7..e9d6cf146fcc 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -509,7 +509,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
 	struct device *dev;
 	struct usb_device *udev;
 	int retval = 0;
-	int lpm_disable_error = -ENODEV;
 
 	if (!iface)
 		return -ENODEV;
@@ -530,16 +529,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
 
 	iface->condition = USB_INTERFACE_BOUND;
 
-	/* See the comment about disabling LPM in usb_probe_interface(). */
-	if (driver->disable_hub_initiated_lpm) {
-		lpm_disable_error = usb_unlocked_disable_lpm(udev);
-		if (lpm_disable_error) {
-			dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n.",
-					__func__, driver->name);
-			return -ENOMEM;
-		}
-	}
-
 	/* Claimed interfaces are initially inactive (suspended) and
 	 * runtime-PM-enabled, but only if the driver has autosuspend
 	 * support.  Otherwise they are marked active, to prevent the
@@ -558,9 +547,20 @@ int usb_driver_claim_interface(struct usb_driver *driver,
 	if (device_is_registered(dev))
 		retval = device_bind_driver(dev);
 
-	/* Attempt to re-enable USB3 LPM, if the disable was successful. */
-	if (!lpm_disable_error)
-		usb_unlocked_enable_lpm(udev);
+	if (retval) {
+		dev->driver = NULL;
+		usb_set_intfdata(iface, NULL);
+		iface->needs_remote_wakeup = 0;
+		iface->condition = USB_INTERFACE_UNBOUND;
+
+		/*
+		 * Unbound interfaces are always runtime-PM-disabled
+		 * and runtime-PM-suspended
+		 */
+		if (driver->supports_autosuspend)
+			pm_runtime_disable(dev);
+		pm_runtime_set_suspended(dev);
+	}
 
 	return retval;
 }
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 6436ca2f5d3e..e3414391f1e6 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2823,7 +2823,9 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
 					USB_PORT_FEAT_C_BH_PORT_RESET);
 			usb_clear_port_feature(hub->hdev, port1,
 					USB_PORT_FEAT_C_PORT_LINK_STATE);
-			usb_clear_port_feature(hub->hdev, port1,
+
+			if (udev)
+				usb_clear_port_feature(hub->hdev, port1,
 					USB_PORT_FEAT_C_CONNECTION);
 
 			/*
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 37a5e07b3488..808437c5ec49 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -64,6 +64,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Microsoft LifeCam-VX700 v2.0 */
 	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */
+	{ USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */
 	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
 	{ USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
@@ -243,6 +246,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
 	  USB_QUIRK_DELAY_CTRL_MSG },
 
+	/* Corsair K70 LUX RGB */
+	{ USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT },
+
 	/* Corsair K70 LUX */
 	{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
 
@@ -263,6 +269,11 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x2040, 0x7200), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
 
+	/* Raydium Touchscreen */
+	{ USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },
+
+	{ USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* DJI CineSSD */
 	{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index e1ab778e774a..45981e7b278b 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -91,6 +91,8 @@ struct usb_host_interface *usb_find_alt_setting(
 	struct usb_interface_cache *intf_cache = NULL;
 	int i;
 
+	if (!config)
+		return NULL;
 	for (i = 0; i < config->desc.bNumInterfaces; i++) {
 		if (config->intf_cache[i]->altsetting[0].desc.bInterfaceNumber
 				== iface_num) {
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index f4f2a1337dd4..09e7bedc5e1d 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1233,6 +1233,7 @@ static int dwc3_probe(struct platform_device *pdev)
 
 err5:
 	dwc3_event_buffers_cleanup(dwc);
+	dwc3_ulpi_exit(dwc);
 
 err4:
 	dwc3_free_scratch_buffers(dwc);
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index f221cb479e14..8e69150776f5 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -512,15 +512,6 @@ static int dwc3_omap_probe(struct platform_device *pdev)
 
 	/* check the DMA Status */
 	reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
-	irq_set_status_flags(omap->irq, IRQ_NOAUTOEN);
-	ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
-					dwc3_omap_interrupt_thread, IRQF_SHARED,
-					"dwc3-omap", omap);
-	if (ret) {
-		dev_err(dev, "failed to request IRQ #%d --> %d\n",
-				omap->irq, ret);
-		goto err1;
-	}
 
 	ret = dwc3_omap_extcon_register(omap);
 	if (ret < 0)
@@ -532,8 +523,15 @@ static int dwc3_omap_probe(struct platform_device *pdev)
 		goto err2;
 	}
 
+	ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
+					dwc3_omap_interrupt_thread, IRQF_SHARED,
+					"dwc3-omap", omap);
+	if (ret) {
+		dev_err(dev, "failed to request IRQ #%d --> %d\n",
+			omap->irq, ret);
+		goto err1;
+	}
 	dwc3_omap_enable_irqs(omap);
-	enable_irq(omap->irq);
 	return 0;
 
 err2:
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index e23150fb50e6..7f3eca652c94 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -220,6 +220,8 @@
 #include <linux/usb/gadget.h>
 #include <linux/usb/composite.h>
 
+#include <linux/nospec.h>
+
 #include "configfs.h"
 
 
@@ -3321,6 +3323,7 @@ static struct config_group *fsg_lun_make(struct config_group *group,
 	fsg_opts = to_fsg_opts(&group->cg_item);
 	if (num >= FSG_MAX_LUNS)
 		return ERR_PTR(-ERANGE);
+	num = array_index_nospec(num, FSG_MAX_LUNS);
 
 	mutex_lock(&fsg_opts->lock);
 	if (fsg_opts->refcnt || fsg_opts->common->luns[num]) {
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index e0cd1e4c8892..2f151e0aa6da 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -537,7 +537,7 @@ static void gs_rx_push(unsigned long _port)
 		}
 
 		/* push data to (open) tty */
-		if (req->actual) {
+		if (req->actual && tty) {
 			char		*packet = req->buf;
 			unsigned	size = req->actual;
 			unsigned	n;
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index ad8402906f77..9705bcdbc577 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1923,6 +1923,8 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev,
 	udc->errata = match->data;
 	udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9g45-pmc");
 	if (IS_ERR(udc->pmc))
+		udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9rl-pmc");
+	if (IS_ERR(udc->pmc))
 		udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9x5-pmc");
 	if (udc->errata && IS_ERR(udc->pmc))
 		return ERR_CAST(udc->pmc);
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index ff4d6cac7ac0..ab89fa3b4118 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -379,11 +379,10 @@ static void set_link_state_by_speed(struct dummy_hcd *dum_hcd)
 			     USB_PORT_STAT_CONNECTION) == 0)
 				dum_hcd->port_status |=
 					(USB_PORT_STAT_C_CONNECTION << 16);
-			if ((dum_hcd->port_status &
-			     USB_PORT_STAT_ENABLE) == 1 &&
-				(dum_hcd->port_status &
-				 USB_SS_PORT_LS_U0) == 1 &&
-				dum_hcd->rh_state != DUMMY_RH_SUSPENDED)
+			if ((dum_hcd->port_status & USB_PORT_STAT_ENABLE) &&
+			    (dum_hcd->port_status &
+			     USB_PORT_STAT_LINK_STATE) == USB_SS_PORT_LS_U0 &&
+			    dum_hcd->rh_state != DUMMY_RH_SUSPENDED)
 				dum_hcd->active = 1;
 		}
 	} else {
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c
index 6ba122cc7490..95df2b3bb6a1 100644
--- a/drivers/usb/gadget/udc/fotg210-udc.c
+++ b/drivers/usb/gadget/udc/fotg210-udc.c
@@ -1066,12 +1066,15 @@ static struct usb_gadget_ops fotg210_gadget_ops = {
 static int fotg210_udc_remove(struct platform_device *pdev)
 {
 	struct fotg210_udc *fotg210 = platform_get_drvdata(pdev);
+	int i;
 
 	usb_del_gadget_udc(&fotg210->gadget);
 	iounmap(fotg210->reg);
 	free_irq(platform_get_irq(pdev, 0), fotg210);
 
 	fotg210_ep_free_request(&fotg210->ep[0]->ep, fotg210->ep0_req);
+	for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
+		kfree(fotg210->ep[i]);
 	kfree(fotg210);
 
 	return 0;
@@ -1102,7 +1105,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	/* initialize udc */
 	fotg210 = kzalloc(sizeof(struct fotg210_udc), GFP_KERNEL);
 	if (fotg210 == NULL)
-		goto err_alloc;
+		goto err;
 
 	for (i = 0; i < FOTG210_MAX_NUM_EP; i++) {
 		_ep[i] = kzalloc(sizeof(struct fotg210_ep), GFP_KERNEL);
@@ -1114,7 +1117,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	fotg210->reg = ioremap(res->start, resource_size(res));
 	if (fotg210->reg == NULL) {
 		pr_err("ioremap error.\n");
-		goto err_map;
+		goto err_alloc;
 	}
 
 	spin_lock_init(&fotg210->lock);
@@ -1162,7 +1165,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	fotg210->ep0_req = fotg210_ep_alloc_request(&fotg210->ep[0]->ep,
 				GFP_KERNEL);
 	if (fotg210->ep0_req == NULL)
-		goto err_req;
+		goto err_map;
 
 	fotg210_init(fotg210);
 
@@ -1190,12 +1193,14 @@ err_req:
 	fotg210_ep_free_request(&fotg210->ep[0]->ep, fotg210->ep0_req);
 
 err_map:
-	if (fotg210->reg)
-		iounmap(fotg210->reg);
+	iounmap(fotg210->reg);
 
 err_alloc:
+	for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
+		kfree(fotg210->ep[i]);
 	kfree(fotg210);
 
+err:
 	return ret;
 }
 
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 638fe817c85f..5334c4c243ef 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -366,7 +366,7 @@ int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 
 	slot_id = 0;
 	for (i = 0; i < MAX_HC_SLOTS; i++) {
-		if (!xhci->devs[i])
+		if (!xhci->devs[i] || !xhci->devs[i]->udev)
 			continue;
 		speed = xhci->devs[i]->udev->speed;
 		if (((speed >= USB_SPEED_SUPER) == (hcd->speed >= HCD_USB3))
@@ -883,7 +883,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 			status |= USB_PORT_STAT_SUSPEND;
 	}
 	if ((raw_port_status & PORT_PLS_MASK) == XDEV_RESUME &&
-		!DEV_SUPERSPEED_ANY(raw_port_status)) {
+		!DEV_SUPERSPEED_ANY(raw_port_status) && hcd->speed < HCD_USB3) {
 		if ((raw_port_status & PORT_RESET) ||
 				!(raw_port_status & PORT_PE))
 			return 0xffffffff;
@@ -929,7 +929,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 			time_left = wait_for_completion_timeout(
 					&bus_state->rexit_done[wIndex],
 					msecs_to_jiffies(
-						XHCI_MAX_REXIT_TIMEOUT));
+						XHCI_MAX_REXIT_TIMEOUT_MS));
 			spin_lock_irqsave(&xhci->lock, flags);
 
 			if (time_left) {
@@ -943,7 +943,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 			} else {
 				int port_status = readl(port_array[wIndex]);
 				xhci_warn(xhci, "Port resume took longer than %i msec, port status = 0x%x\n",
-						XHCI_MAX_REXIT_TIMEOUT,
+						XHCI_MAX_REXIT_TIMEOUT_MS,
 						port_status);
 				status |= USB_PORT_STAT_SUSPEND;
 				clear_bit(wIndex, &bus_state->rexit_ports);
@@ -1190,17 +1190,17 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 				temp = readl(port_array[wIndex]);
 				break;
 			}
-
-			/* Software should not attempt to set
-			 * port link state above '3' (U3) and the port
-			 * must be enabled.
-			 */
-			if ((temp & PORT_PE) == 0 ||
-				(link_state > USB_SS_PORT_LS_U3)) {
-				xhci_warn(xhci, "Cannot set link state.\n");
+			/* Port must be enabled */
+			if (!(temp & PORT_PE)) {
+				retval = -ENODEV;
+				break;
+			}
+			/* Can't set port link state above '3' (U3) */
+			if (link_state > USB_SS_PORT_LS_U3) {
+				xhci_warn(xhci, "Cannot set port %d link state %d\n",
+					 wIndex, link_state);
 				goto error;
 			}
-
 			if (link_state == USB_SS_PORT_LS_U3) {
 				slot_id = xhci_find_slot_id_by_port(hcd, xhci,
 						wIndex + 1);
@@ -1442,13 +1442,16 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 	__le32 __iomem **port_array;
 	struct xhci_bus_state *bus_state;
 	unsigned long flags;
+	u32 portsc_buf[USB_MAXCHILDREN];
+	bool wake_enabled;
 
 	max_ports = xhci_get_ports(hcd, &port_array);
 	bus_state = &xhci->bus_state[hcd_index(hcd)];
+	wake_enabled = hcd->self.root_hub->do_remote_wakeup;
 
 	spin_lock_irqsave(&xhci->lock, flags);
 
-	if (hcd->self.root_hub->do_remote_wakeup) {
+	if (wake_enabled) {
 		if (bus_state->resuming_ports ||	/* USB2 */
 		    bus_state->port_remote_wakeup) {	/* USB3 */
 			spin_unlock_irqrestore(&xhci->lock, flags);
@@ -1456,26 +1459,36 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 			return -EBUSY;
 		}
 	}
-
-	port_index = max_ports;
+	/*
+	 * Prepare ports for suspend, but don't write anything before all ports
+	 * are checked and we know bus suspend can proceed
+	 */
 	bus_state->bus_suspended = 0;
+	port_index = max_ports;
 	while (port_index--) {
-		/* suspend the port if the port is not suspended */
 		u32 t1, t2;
-		int slot_id;
 
 		t1 = readl(port_array[port_index]);
 		t2 = xhci_port_state_to_neutral(t1);
+		portsc_buf[port_index] = 0;
 
-		if ((t1 & PORT_PE) && !(t1 & PORT_PLS_MASK)) {
-			xhci_dbg(xhci, "port %d not suspended\n", port_index);
-			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-					port_index + 1);
-			if (slot_id) {
+		/* Bail out if a USB3 port has a new device in link training */
+		if ((t1 & PORT_PLS_MASK) == XDEV_POLLING) {
+			bus_state->bus_suspended = 0;
+			spin_unlock_irqrestore(&xhci->lock, flags);
+			xhci_dbg(xhci, "Bus suspend bailout, port in polling\n");
+			return -EBUSY;
+		}
+
+		/* suspend ports in U0, or bail out for new connect changes */
+		if ((t1 & PORT_PE) && (t1 & PORT_PLS_MASK) == XDEV_U0) {
+			if ((t1 & PORT_CSC) && wake_enabled) {
+				bus_state->bus_suspended = 0;
 				spin_unlock_irqrestore(&xhci->lock, flags);
-				xhci_stop_device(xhci, slot_id, 1);
-				spin_lock_irqsave(&xhci->lock, flags);
+				xhci_dbg(xhci, "Bus suspend bailout, port connect change\n");
+				return -EBUSY;
 			}
+			xhci_dbg(xhci, "port %d not suspended\n", port_index);
 			t2 &= ~PORT_PLS_MASK;
 			t2 |= PORT_LINK_STROBE | XDEV_U3;
 			set_bit(port_index, &bus_state->bus_suspended);
@@ -1484,7 +1497,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 		 * including the USB 3.0 roothub, but only if CONFIG_PM
 		 * is enabled, so also enable remote wake here.
 		 */
-		if (hcd->self.root_hub->do_remote_wakeup) {
+		if (wake_enabled) {
 			if (t1 & PORT_CONNECT) {
 				t2 |= PORT_WKOC_E | PORT_WKDISC_E;
 				t2 &= ~PORT_WKCONN_E;
@@ -1497,7 +1510,26 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 
 		t1 = xhci_port_state_to_neutral(t1);
 		if (t1 != t2)
-			writel(t2, port_array[port_index]);
+			portsc_buf[port_index] = t2;
+	}
+
+	/* write port settings, stopping and suspending ports if needed */
+	port_index = max_ports;
+	while (port_index--) {
+		if (!portsc_buf[port_index])
+			continue;
+		if (test_bit(port_index, &bus_state->bus_suspended)) {
+			int slot_id;
+
+			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
+							    port_index + 1);
+			if (slot_id) {
+				spin_unlock_irqrestore(&xhci->lock, flags);
+				xhci_stop_device(xhci, slot_id, 1);
+				spin_lock_irqsave(&xhci->lock, flags);
+			}
+		}
+		writel(portsc_buf[port_index], port_array[port_index]);
 	}
 	hcd->state = HC_STATE_SUSPENDED;
 	bus_state->next_statechange = jiffies + msecs_to_jiffies(10);
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index ce9e457e60c3..c10875834a5a 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -735,10 +735,10 @@ static int __maybe_unused xhci_mtk_resume(struct device *dev)
 	xhci_mtk_host_enable(mtk);
 
 	xhci_dbg(xhci, "%s: restart port polling\n", __func__);
-	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-	usb_hcd_poll_rh_status(hcd);
 	set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
 	usb_hcd_poll_rh_status(xhci->shared_hcd);
+	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+	usb_hcd_poll_rh_status(hcd);
 	return 0;
 }
 
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index f6782a347cde..b5140555a8d5 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -179,6 +179,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
 	    (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
 	     pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
 	     pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI))
 		xhci->quirks |= XHCI_MISSING_CAS;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 806816401f59..0cc271969ffb 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1676,7 +1676,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 	 * RExit to a disconnect state).  If so, let the the driver know it's
 	 * out of the RExit state.
 	 */
-	if (!DEV_SUPERSPEED_ANY(temp) &&
+	if (!DEV_SUPERSPEED_ANY(temp) && hcd->speed < HCD_USB3 &&
 			test_and_clear_bit(faked_port_index,
 				&bus_state->rexit_ports)) {
 		complete(&bus_state->rexit_done[faked_port_index]);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index a6dd4d97a179..aff24f0be38e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1509,7 +1509,7 @@ struct xhci_bus_state {
  * It can take up to 20 ms to transition from RExit to U0 on the
  * Intel Lynx Point LP xHCI host.
  */
-#define	XHCI_MAX_REXIT_TIMEOUT	(20 * 1000)
+#define	XHCI_MAX_REXIT_TIMEOUT_MS	20
 
 static inline unsigned int hcd_index(struct usb_hcd *hcd)
 {
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index da5ff401a354..2d3c656e0bff 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -63,6 +63,7 @@ static const struct usb_device_id appledisplay_table[] = {
 	{ APPLEDISPLAY_DEVICE(0x9219) },
 	{ APPLEDISPLAY_DEVICE(0x921c) },
 	{ APPLEDISPLAY_DEVICE(0x921d) },
+	{ APPLEDISPLAY_DEVICE(0x9222) },
 	{ APPLEDISPLAY_DEVICE(0x9236) },
 
 	/* Terminating entry */
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index e36c6c6452cd..1e672343bcd6 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -423,6 +423,9 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
 	spin_unlock_irqrestore(&dev->lock, flags);
 	mutex_unlock(&dev->io_mutex);
 
+	if (WARN_ON_ONCE(len >= sizeof(in_buffer)))
+		return -EIO;
+
 	return simple_read_from_buffer(buffer, count, ppos, in_buffer, len);
 }
 
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 93fba9033b00..5984fb134cf4 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -639,14 +639,11 @@ static int usbhsg_ep_disable(struct usb_ep *ep)
 	struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep);
 	struct usbhs_pipe *pipe;
 	unsigned long flags;
-	int ret = 0;
 
 	spin_lock_irqsave(&uep->lock, flags);
 	pipe = usbhsg_uep_to_pipe(uep);
-	if (!pipe) {
-		ret = -EINVAL;
+	if (!pipe)
 		goto out;
-	}
 
 	usbhsg_pipe_disable(uep);
 	usbhs_pipe_free(pipe);
@@ -1085,7 +1082,6 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 		ret = -ENOMEM;
 		goto usbhs_mod_gadget_probe_err_gpriv;
 	}
-	spin_lock_init(&uep->lock);
 
 	gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED);
 	dev_info(dev, "%stransceiver found\n",
@@ -1135,6 +1131,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 		uep->ep.name		= uep->ep_name;
 		uep->ep.ops		= &usbhsg_ep_ops;
 		INIT_LIST_HEAD(&uep->ep.ep_list);
+		spin_lock_init(&uep->lock);
 
 		/* init DCP */
 		if (usbhsg_is_dcp(uep)) {
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 813035f51fe7..7d252678c55a 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -408,12 +408,20 @@ static int kobil_tiocmget(struct tty_struct *tty)
 			  transfer_buffer_length,
 			  KOBIL_TIMEOUT);
 
-	dev_dbg(&port->dev, "%s - Send get_status_line_state URB returns: %i. Statusline: %02x\n",
-		__func__, result, transfer_buffer[0]);
+	dev_dbg(&port->dev, "Send get_status_line_state URB returns: %i\n",
+			result);
+	if (result < 1) {
+		if (result >= 0)
+			result = -EIO;
+		goto out_free;
+	}
+
+	dev_dbg(&port->dev, "Statusline: %02x\n", transfer_buffer[0]);
 
 	result = 0;
 	if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0)
 		result = TIOCM_DSR;
+out_free:
 	kfree(transfer_buffer);
 	return result;
 }
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 2674da40d9cd..6d6acf2c07c3 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -87,7 +87,8 @@ DEVICE(moto_modem, MOTO_IDS);
 
 /* Motorola Tetra driver */
 #define MOTOROLA_TETRA_IDS()			\
-	{ USB_DEVICE(0x0cad, 0x9011) }	/* Motorola Solutions TETRA PEI */
+	{ USB_DEVICE(0x0cad, 0x9011) },	/* Motorola Solutions TETRA PEI */ \
+	{ USB_DEVICE(0x0cad, 0x9012) }	/* MTP6550 */
 DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS);
 
 /* Novatel Wireless GPS driver */
diff --git a/drivers/usb/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h
index 8fe624ad302a..7ca779493671 100644
--- a/drivers/usb/storage/unusual_realtek.h
+++ b/drivers/usb/storage/unusual_realtek.h
@@ -39,4 +39,14 @@ UNUSUAL_DEV(0x0bda, 0x0159, 0x0000, 0x9999,
 		"USB Card Reader",
 		USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0),
 
+UNUSUAL_DEV(0x0bda, 0x0177, 0x0000, 0x9999,
+		"Realtek",
+		"USB Card Reader",
+		USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0),
+
+UNUSUAL_DEV(0x0bda, 0x0184, 0x0000, 0x9999,
+		"Realtek",
+		"USB Card Reader",
+		USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0),
+
 #endif  /* defined(CONFIG_USB_STORAGE_REALTEK) || ... */
diff --git a/drivers/usb/usbip/vudc_main.c b/drivers/usb/usbip/vudc_main.c
index 9e655714e389..916e2eefc886 100644
--- a/drivers/usb/usbip/vudc_main.c
+++ b/drivers/usb/usbip/vudc_main.c
@@ -85,6 +85,10 @@ static int __init init(void)
 cleanup:
 	list_for_each_entry_safe(udc_dev, udc_dev2, &vudc_devices, dev_entry) {
 		list_del(&udc_dev->dev_entry);
+		/*
+		 * Just do platform_device_del() here, put_vudc_device()
+		 * calls the platform_device_put()
+		 */
 		platform_device_del(udc_dev->pdev);
 		put_vudc_device(udc_dev);
 	}
@@ -101,7 +105,11 @@ static void __exit cleanup(void)
 
 	list_for_each_entry_safe(udc_dev, udc_dev2, &vudc_devices, dev_entry) {
 		list_del(&udc_dev->dev_entry);
-		platform_device_unregister(udc_dev->pdev);
+		/*
+		 * Just do platform_device_del() here, put_vudc_device()
+		 * calls the platform_device_put()
+		 */
+		platform_device_del(udc_dev->pdev);
 		put_vudc_device(udc_dev);
 	}
 	platform_driver_unregister(&vudc_driver);
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
index 8c9421b69da0..6bf86ca950b3 100644
--- a/drivers/usb/wusbcore/security.c
+++ b/drivers/usb/wusbcore/security.c
@@ -230,7 +230,7 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
 
 	result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
 				    0, secd, sizeof(*secd));
-	if (result < sizeof(*secd)) {
+	if (result < (int)sizeof(*secd)) {
 		dev_err(dev, "Can't read security descriptor or "
 			"not enough data: %d\n", result);
 		goto out;