Merge tag 'usb-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB driver fixes from Greg KH:
 "Here are some USB driver fixes and new device ids for 5.15-rc3.

  They include:

   - usb-storage quirk additions

   - usb-serial new device ids

   - usb-serial driver fixes

   - USB roothub registration bugfix to resolve a long-reported issue

   - usb gadget driver fixes for a large number of small things

   - dwc2 driver fixes

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
  USB: serial: option: add device id for Foxconn T99W265
  USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
  USB: serial: cp210x: add part-number debug printk
  USB: serial: cp210x: fix dropped characters with CP2102
  MAINTAINERS: usb, update Peter Korsgaard's entries
  usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
  usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
  Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
  USB: serial: option: remove duplicate USB device ID
  USB: serial: mos7840: remove duplicated 0xac24 device ID
  arm64: dts: qcom: ipq8074: remove USB tx-fifo-resize property
  usb: gadget: f_uac2: Populate SS descriptors' wBytesPerInterval
  usb: gadget: f_uac2: Add missing companion descriptor for feedback EP
  usb: dwc2: gadget: Fix ISOC transfer complete handling for DDMA
  usb: core: hcd: Modularize HCD stop configuration in usb_stop_hcd()
  xhci: Set HCD flag to defer primary roothub registration
  usb: core: hcd: Add support for deferring roothub registration
  usb: dwc2: gadget: Fix ISOC flow for BDMA and Slave
  usb: dwc3: core: balance phy init and exit
  Revert "USB: bcma: Add a check for devm_gpiod_get"
  ...

MAINTAINERS

@@ -19288,13 +19288,12 @@ S:	Maintained
 F:	drivers/usb/misc/chaoskey.c
 
 USB CYPRESS C67X00 DRIVER
-M:	Peter Korsgaard <jacmet@sunsite.dk>
 L:	linux-usb@vger.kernel.org
-S:	Maintained
+S:	Orphan
 F:	drivers/usb/c67x00/
 
 USB DAVICOM DM9601 DRIVER
-M:	Peter Korsgaard <jacmet@sunsite.dk>
+M:	Peter Korsgaard <peter@korsgaard.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 W:	http://www.linux-usb.org/usbnet

arch/arm64/boot/dts/qcom/ipq8074.dtsi

@@ -487,7 +487,6 @@ dwc_0: dwc3@8a00000 {
 				interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
 				phys = <&qusb_phy_0>, <&usb0_ssphy>;
 				phy-names = "usb2-phy", "usb3-phy";
-				tx-fifo-resize;
 				snps,is-utmi-l1-suspend;
 				snps,hird-threshold = /bits/ 8 <0x0>;
 				snps,dis_u2_susphy_quirk;
@@ -528,7 +527,6 @@ dwc_1: dwc3@8c00000 {
 				interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
 				phys = <&qusb_phy_1>, <&usb1_ssphy>;
 				phy-names = "usb2-phy", "usb3-phy";
-				tx-fifo-resize;
 				snps,is-utmi-l1-suspend;
 				snps,hird-threshold = /bits/ 8 <0x0>;
 				snps,dis_u2_susphy_quirk;

drivers/usb/cdns3/cdns3-gadget.c

@@ -1100,6 +1100,19 @@ static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep,
 	return 0;
 }
 
+static void cdns3_rearm_drdy_if_needed(struct cdns3_endpoint *priv_ep)
+{
+	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
+
+	if (priv_dev->dev_ver < DEV_VER_V3)
+		return;
+
+	if (readl(&priv_dev->regs->ep_sts) & EP_STS_TRBERR) {
+		writel(EP_STS_TRBERR, &priv_dev->regs->ep_sts);
+		writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd);
+	}
+}
+
 /**
  * cdns3_ep_run_transfer - start transfer on no-default endpoint hardware
  * @priv_ep: endpoint object
@@ -1351,6 +1364,7 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
 		/*clearing TRBERR and EP_STS_DESCMIS before seting DRDY*/
 		writel(EP_STS_TRBERR | EP_STS_DESCMIS, &priv_dev->regs->ep_sts);
 		writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd);
+		cdns3_rearm_drdy_if_needed(priv_ep);
 		trace_cdns3_doorbell_epx(priv_ep->name,
 					 readl(&priv_dev->regs->ep_traddr));
 	}

drivers/usb/class/cdc-acm.c

@@ -726,6 +726,7 @@ static void acm_port_destruct(struct tty_port *port)
 {
 	struct acm *acm = container_of(port, struct acm, port);
 
+	if (acm->minor != ACM_MINOR_INVALID)
 		acm_release_minor(acm);
 	usb_put_intf(acm->control);
 	kfree(acm->country_codes);
@@ -1323,8 +1324,10 @@ static int acm_probe(struct usb_interface *intf,
 	usb_get_intf(acm->control); /* undone in destruct() */
 
 	minor = acm_alloc_minor(acm);
-	if (minor < 0)
+	if (minor < 0) {
+		acm->minor = ACM_MINOR_INVALID;
 		goto err_put_port;
+	}
 
 	acm->minor = minor;
 	acm->dev = usb_dev;

drivers/usb/class/cdc-acm.h

@@ -22,6 +22,8 @@
 #define ACM_TTY_MAJOR		166
 #define ACM_TTY_MINORS		256
 
+#define ACM_MINOR_INVALID	ACM_TTY_MINORS
+
 /*
  * Requests.
  */

drivers/usb/core/hcd.c

@@ -2760,6 +2760,26 @@ static void usb_put_invalidate_rhdev(struct usb_hcd *hcd)
 	usb_put_dev(rhdev);
 }
 
+/**
+ * usb_stop_hcd - Halt the HCD
+ * @hcd: the usb_hcd that has to be halted
+ *
+ * Stop the root-hub polling timer and invoke the HCD's ->stop callback.
+ */
+static void usb_stop_hcd(struct usb_hcd *hcd)
+{
+	hcd->rh_pollable = 0;
+	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+	del_timer_sync(&hcd->rh_timer);
+
+	hcd->driver->stop(hcd);
+	hcd->state = HC_STATE_HALT;
+
+	/* In case the HCD restarted the timer, stop it again. */
+	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+	del_timer_sync(&hcd->rh_timer);
+}
+
 /**
  * usb_add_hcd - finish generic HCD structure initialization and register
  * @hcd: the usb_hcd structure to initialize
@@ -2775,6 +2795,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
 {
 	int retval;
 	struct usb_device *rhdev;
+	struct usb_hcd *shared_hcd;
 
 	if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) {
 		hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev);
@@ -2935,24 +2956,31 @@ int usb_add_hcd(struct usb_hcd *hcd,
 		goto err_hcd_driver_start;
 	}
 
+	/* starting here, usbcore will pay attention to the shared HCD roothub */
+	shared_hcd = hcd->shared_hcd;
+	if (!usb_hcd_is_primary_hcd(hcd) && shared_hcd && HCD_DEFER_RH_REGISTER(shared_hcd)) {
+		retval = register_root_hub(shared_hcd);
+		if (retval != 0)
+			goto err_register_root_hub;
+
+		if (shared_hcd->uses_new_polling && HCD_POLL_RH(shared_hcd))
+			usb_hcd_poll_rh_status(shared_hcd);
+	}
+
 	/* starting here, usbcore will pay attention to this root hub */
+	if (!HCD_DEFER_RH_REGISTER(hcd)) {
 		retval = register_root_hub(hcd);
 		if (retval != 0)
 			goto err_register_root_hub;
 
 		if (hcd->uses_new_polling && HCD_POLL_RH(hcd))
 			usb_hcd_poll_rh_status(hcd);
+	}
 
 	return retval;
 
 err_register_root_hub:
-	hcd->rh_pollable = 0;
-	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-	del_timer_sync(&hcd->rh_timer);
-	hcd->driver->stop(hcd);
-	hcd->state = HC_STATE_HALT;
-	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-	del_timer_sync(&hcd->rh_timer);
+	usb_stop_hcd(hcd);
 err_hcd_driver_start:
 	if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0)
 		free_irq(irqnum, hcd);
@@ -2985,6 +3013,7 @@ EXPORT_SYMBOL_GPL(usb_add_hcd);
 void usb_remove_hcd(struct usb_hcd *hcd)
 {
 	struct usb_device *rhdev = hcd->self.root_hub;
+	bool rh_registered;
 
 	dev_info(hcd->self.controller, "remove, state %x\n", hcd->state);
 
@@ -2995,6 +3024,7 @@ void usb_remove_hcd(struct usb_hcd *hcd)
 
 	dev_dbg(hcd->self.controller, "roothub graceful disconnect\n");
 	spin_lock_irq (&hcd_root_hub_lock);
+	rh_registered = hcd->rh_registered;
 	hcd->rh_registered = 0;
 	spin_unlock_irq (&hcd_root_hub_lock);
 
@@ -3004,6 +3034,7 @@ void usb_remove_hcd(struct usb_hcd *hcd)
 	cancel_work_sync(&hcd->died_work);
 
 	mutex_lock(&usb_bus_idr_lock);
+	if (rh_registered)
 		usb_disconnect(&rhdev);		/* Sets rhdev to NULL */
 	mutex_unlock(&usb_bus_idr_lock);
 
@@ -3022,16 +3053,7 @@ void usb_remove_hcd(struct usb_hcd *hcd)
 	 * interrupt occurs), but usb_hcd_poll_rh_status() won't invoke
 	 * the hub_status_data() callback.
 	 */
-	hcd->rh_pollable = 0;
-	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-	del_timer_sync(&hcd->rh_timer);
-
-	hcd->driver->stop(hcd);
-	hcd->state = HC_STATE_HALT;
-
-	/* In case the HCD restarted the timer, stop it again. */
-	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-	del_timer_sync(&hcd->rh_timer);
+	usb_stop_hcd(hcd);
 
 	if (usb_hcd_is_primary_hcd(hcd)) {
 		if (hcd->irq > 0)

drivers/usb/dwc2/hcd.c

@@ -5191,6 +5191,10 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
 	hcd->has_tt = 1;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		retval = -EINVAL;
+		goto error1;
+	}
 	hcd->rsrc_start = res->start;
 	hcd->rsrc_len = resource_size(res);
 

drivers/usb/dwc3/core.c

@@ -264,19 +264,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc)
 {
 	u32		reg;
 	int		retries = 1000;
-	int		ret;
-
-	usb_phy_init(dwc->usb2_phy);
-	usb_phy_init(dwc->usb3_phy);
-	ret = phy_init(dwc->usb2_generic_phy);
-	if (ret < 0)
-		return ret;
-
-	ret = phy_init(dwc->usb3_generic_phy);
-	if (ret < 0) {
-		phy_exit(dwc->usb2_generic_phy);
-		return ret;
-	}
 
 	/*
 	 * We're resetting only the device side because, if we're in host mode,
@@ -310,9 +297,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc)
 			udelay(1);
 	} while (--retries);
 
-	phy_exit(dwc->usb3_generic_phy);
-	phy_exit(dwc->usb2_generic_phy);
-
 	return -ETIMEDOUT;
 
 done:
@@ -982,9 +966,21 @@ static int dwc3_core_init(struct dwc3 *dwc)
 		dwc->phys_ready = true;
 	}
 
+	usb_phy_init(dwc->usb2_phy);
+	usb_phy_init(dwc->usb3_phy);
+	ret = phy_init(dwc->usb2_generic_phy);
+	if (ret < 0)
+		goto err0a;
+
+	ret = phy_init(dwc->usb3_generic_phy);
+	if (ret < 0) {
+		phy_exit(dwc->usb2_generic_phy);
+		goto err0a;
+	}
+
 	ret = dwc3_core_soft_reset(dwc);
 	if (ret)
-		goto err0a;
+		goto err1;
 
 	if (hw_mode == DWC3_GHWPARAMS0_MODE_DRD &&
 	    !DWC3_VER_IS_WITHIN(DWC3, ANY, 194A)) {

drivers/usb/gadget/function/f_uac2.c

@@ -406,6 +406,14 @@ static struct usb_endpoint_descriptor ss_epin_fback_desc = {
 	.bInterval = 4,
 };
 
+static struct usb_ss_ep_comp_descriptor ss_epin_fback_desc_comp = {
+	.bLength		= sizeof(ss_epin_fback_desc_comp),
+	.bDescriptorType	= USB_DT_SS_ENDPOINT_COMP,
+	.bMaxBurst		= 0,
+	.bmAttributes		= 0,
+	.wBytesPerInterval	= cpu_to_le16(4),
+};
+
 
 /* Audio Streaming IN Interface - Alt0 */
 static struct usb_interface_descriptor std_as_in_if0_desc = {
@@ -597,6 +605,7 @@ static struct usb_descriptor_header *ss_audio_desc[] = {
 	(struct usb_descriptor_header *)&ss_epout_desc_comp,
 	(struct usb_descriptor_header *)&as_iso_out_desc,
 	(struct usb_descriptor_header *)&ss_epin_fback_desc,
+	(struct usb_descriptor_header *)&ss_epin_fback_desc_comp,
 
 	(struct usb_descriptor_header *)&std_as_in_if0_desc,
 	(struct usb_descriptor_header *)&std_as_in_if1_desc,
@@ -705,6 +714,7 @@ static void setup_headers(struct f_uac2_opts *opts,
 {
 	struct usb_ss_ep_comp_descriptor *epout_desc_comp = NULL;
 	struct usb_ss_ep_comp_descriptor *epin_desc_comp = NULL;
+	struct usb_ss_ep_comp_descriptor *epin_fback_desc_comp = NULL;
 	struct usb_endpoint_descriptor *epout_desc;
 	struct usb_endpoint_descriptor *epin_desc;
 	struct usb_endpoint_descriptor *epin_fback_desc;
@@ -730,6 +740,7 @@ static void setup_headers(struct f_uac2_opts *opts,
 		epout_desc_comp = &ss_epout_desc_comp;
 		epin_desc_comp = &ss_epin_desc_comp;
 		epin_fback_desc = &ss_epin_fback_desc;
+		epin_fback_desc_comp = &ss_epin_fback_desc_comp;
 		ep_int_desc = &ss_ep_int_desc;
 	}
 
@@ -773,8 +784,11 @@ static void setup_headers(struct f_uac2_opts *opts,
 
 		headers[i++] = USBDHDR(&as_iso_out_desc);
 
-		if (EPOUT_FBACK_IN_EN(opts))
+		if (EPOUT_FBACK_IN_EN(opts)) {
 			headers[i++] = USBDHDR(epin_fback_desc);
+			if (epin_fback_desc_comp)
+				headers[i++] = USBDHDR(epin_fback_desc_comp);
+		}
 	}
 
 	if (EPIN_EN(opts)) {
@@ -1164,6 +1178,9 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
 	agdev->out_ep_maxpsize = max_t(u16, agdev->out_ep_maxpsize,
 				le16_to_cpu(ss_epout_desc.wMaxPacketSize));
 
+	ss_epin_desc_comp.wBytesPerInterval = ss_epin_desc.wMaxPacketSize;
+	ss_epout_desc_comp.wBytesPerInterval = ss_epout_desc.wMaxPacketSize;
+
 	// HS and SS endpoint addresses are copied from autoconfigured FS descriptors
 	hs_ep_int_desc.bEndpointAddress = fs_ep_int_desc.bEndpointAddress;
 	hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;

drivers/usb/gadget/function/u_audio.c

@@ -96,11 +96,13 @@ static const struct snd_pcm_hardware uac_pcm_hardware = {
 };
 
 static void u_audio_set_fback_frequency(enum usb_device_speed speed,
+					struct usb_ep *out_ep,
 					unsigned long long freq,
 					unsigned int pitch,
 					void *buf)
 {
 	u32 ff = 0;
+	const struct usb_endpoint_descriptor *ep_desc;
 
 	/*
 	 * Because the pitch base is 1000000, the final divider here
@@ -128,8 +130,13 @@ static void u_audio_set_fback_frequency(enum usb_device_speed speed,
 		 * byte fromat (that is Q16.16)
 		 *
 		 * ff = (freq << 16) / 8000
+		 *
+		 * Win10 and OSX UAC2 drivers require number of samples per packet
+		 * in order to honor the feedback value.
+		 * Linux snd-usb-audio detects the applied bit-shift automatically.
 		 */
-		freq <<= 4;
+		ep_desc = out_ep->desc;
+		freq <<= 4 + (ep_desc->bInterval - 1);
 	}
 
 	ff = DIV_ROUND_CLOSEST_ULL((freq * pitch), 1953125);
@@ -267,7 +274,7 @@ static void u_audio_iso_fback_complete(struct usb_ep *ep,
 		pr_debug("%s: iso_complete status(%d) %d/%d\n",
 			__func__, status, req->actual, req->length);
 
-	u_audio_set_fback_frequency(audio_dev->gadget->speed,
+	u_audio_set_fback_frequency(audio_dev->gadget->speed, audio_dev->out_ep,
 				    params->c_srate, prm->pitch,
 				    req->buf);
 
@@ -526,7 +533,7 @@ int u_audio_start_capture(struct g_audio *audio_dev)
 	 * be meauserd at start of playback
 	 */
 	prm->pitch = 1000000;
-	u_audio_set_fback_frequency(audio_dev->gadget->speed,
+	u_audio_set_fback_frequency(audio_dev->gadget->speed, ep,
 				    params->c_srate, prm->pitch,
 				    req_fback->buf);
 

drivers/usb/gadget/udc/r8a66597-udc.c

@@ -1250,7 +1250,7 @@ static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
 			do {
 				tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
 				udelay(1);
-			} while (tmp != CS_IDST || timeout-- > 0);
+			} while (tmp != CS_IDST && timeout-- > 0);
 
 			if (tmp == CS_IDST)
 				r8a66597_bset(r8a66597,

drivers/usb/host/bcma-hcd.c

@@ -406,12 +406,9 @@ static int bcma_hcd_probe(struct bcma_device *core)
 		return -ENOMEM;
 	usb_dev->core = core;
 
-	if (core->dev.of_node) {
+	if (core->dev.of_node)
 		usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc",
 						    GPIOD_OUT_HIGH);
-		if (IS_ERR(usb_dev->gpio_desc))
-			return PTR_ERR(usb_dev->gpio_desc);
-	}
 
 	switch (core->id.id) {
 	case BCMA_CORE_USB20_HOST:

drivers/usb/host/ehci-hcd.c

@@ -26,6 +26,7 @@
 #include <linux/moduleparam.h>
 #include <linux/dma-mapping.h>
 #include <linux/debugfs.h>
+#include <linux/platform_device.h>
 #include <linux/slab.h>
 
 #include <asm/byteorder.h>
@@ -1278,29 +1279,39 @@ MODULE_LICENSE ("GPL");
 
 #ifdef CONFIG_USB_EHCI_SH
 #include "ehci-sh.c"
-#define PLATFORM_DRIVER		ehci_hcd_sh_driver
 #endif
 
 #ifdef CONFIG_PPC_PS3
 #include "ehci-ps3.c"
-#define	PS3_SYSTEM_BUS_DRIVER	ps3_ehci_driver
 #endif
 
 #ifdef CONFIG_USB_EHCI_HCD_PPC_OF
 #include "ehci-ppc-of.c"
-#define OF_PLATFORM_DRIVER	ehci_hcd_ppc_of_driver
 #endif
 
 #ifdef CONFIG_XPS_USB_HCD_XILINX
 #include "ehci-xilinx-of.c"
-#define XILINX_OF_PLATFORM_DRIVER	ehci_hcd_xilinx_of_driver
 #endif
 
 #ifdef CONFIG_SPARC_LEON
 #include "ehci-grlib.c"
-#define PLATFORM_DRIVER		ehci_grlib_driver
 #endif
 
+static struct platform_driver * const platform_drivers[] = {
+#ifdef CONFIG_USB_EHCI_SH
+	&ehci_hcd_sh_driver,
+#endif
+#ifdef CONFIG_USB_EHCI_HCD_PPC_OF
+	&ehci_hcd_ppc_of_driver,
+#endif
+#ifdef CONFIG_XPS_USB_HCD_XILINX
+	&ehci_hcd_xilinx_of_driver,
+#endif
+#ifdef CONFIG_SPARC_LEON
+	&ehci_grlib_driver,
+#endif
+};
+
 static int __init ehci_hcd_init(void)
 {
 	int retval = 0;
@@ -1324,47 +1335,23 @@ static int __init ehci_hcd_init(void)
 	ehci_debug_root = debugfs_create_dir("ehci", usb_debug_root);
 #endif
 
-#ifdef PLATFORM_DRIVER
-	retval = platform_driver_register(&PLATFORM_DRIVER);
+	retval = platform_register_drivers(platform_drivers, ARRAY_SIZE(platform_drivers));
 	if (retval < 0)
 		goto clean0;
-#endif
-
-#ifdef PS3_SYSTEM_BUS_DRIVER
-	retval = ps3_ehci_driver_register(&PS3_SYSTEM_BUS_DRIVER);
-	if (retval < 0)
-		goto clean2;
-#endif
 
-#ifdef OF_PLATFORM_DRIVER
-	retval = platform_driver_register(&OF_PLATFORM_DRIVER);
+#ifdef CONFIG_PPC_PS3
+	retval = ps3_ehci_driver_register(&ps3_ehci_driver);
 	if (retval < 0)
-		goto clean3;
+		goto clean1;
 #endif
 
-#ifdef XILINX_OF_PLATFORM_DRIVER
-	retval = platform_driver_register(&XILINX_OF_PLATFORM_DRIVER);
-	if (retval < 0)
-		goto clean4;
-#endif
-	return retval;
+	return 0;
 
-#ifdef XILINX_OF_PLATFORM_DRIVER
-	/* platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER); */
-clean4:
-#endif
-#ifdef OF_PLATFORM_DRIVER
-	platform_driver_unregister(&OF_PLATFORM_DRIVER);
-clean3:
-#endif
-#ifdef PS3_SYSTEM_BUS_DRIVER
-	ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
-clean2:
+#ifdef CONFIG_PPC_PS3
+clean1:
 #endif
-#ifdef PLATFORM_DRIVER
-	platform_driver_unregister(&PLATFORM_DRIVER);
+	platform_unregister_drivers(platform_drivers, ARRAY_SIZE(platform_drivers));
 clean0:
-#endif
 #ifdef CONFIG_DYNAMIC_DEBUG
 	debugfs_remove(ehci_debug_root);
 	ehci_debug_root = NULL;
@@ -1376,18 +1363,10 @@ module_init(ehci_hcd_init);
 
 static void __exit ehci_hcd_cleanup(void)
 {
-#ifdef XILINX_OF_PLATFORM_DRIVER
-	platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER);
-#endif
-#ifdef OF_PLATFORM_DRIVER
-	platform_driver_unregister(&OF_PLATFORM_DRIVER);
-#endif
-#ifdef PLATFORM_DRIVER
-	platform_driver_unregister(&PLATFORM_DRIVER);
-#endif
-#ifdef PS3_SYSTEM_BUS_DRIVER
-	ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
+#ifdef CONFIG_PPC_PS3
+	ps3_ehci_driver_unregister(&ps3_ehci_driver);
 #endif
+	platform_unregister_drivers(platform_drivers, ARRAY_SIZE(platform_drivers));
 #ifdef CONFIG_DYNAMIC_DEBUG
 	debugfs_remove(ehci_debug_root);
 #endif

drivers/usb/host/xhci.c

@@ -692,6 +692,7 @@ int xhci_run(struct usb_hcd *hcd)
 		if (ret)
 			xhci_free_command(xhci, command);
 	}
+	set_bit(HCD_FLAG_DEFER_RH_REGISTER, &hcd->flags);
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
 			"Finished xhci_run for USB2 roothub");
 

drivers/usb/musb/tusb6010.c

@@ -190,6 +190,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len)
 	}
 	if (len > 0) {
 		/* Write the rest 1 - 3 bytes to FIFO */
+		val = 0;
 		memcpy(&val, buf, len);
 		musb_writel(fifo, 0, val);
 	}

drivers/usb/serial/cp210x.c

@@ -233,6 +233,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */
 	{ USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */
 	{ USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */
+	{ USB_DEVICE(0x2184, 0x0030) }, /* GW Instek GDM-834x Digital Multimeter */
 	{ USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */
 	{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
 	{ USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */
@@ -258,6 +259,7 @@ struct cp210x_serial_private {
 	speed_t			max_speed;
 	bool			use_actual_rate;
 	bool			no_flow_control;
+	bool			no_event_mode;
 };
 
 enum cp210x_event_state {
@@ -1113,12 +1115,16 @@ static void cp210x_change_speed(struct tty_struct *tty,
 
 static void cp210x_enable_event_mode(struct usb_serial_port *port)
 {
+	struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);
 	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
 	int ret;
 
 	if (port_priv->event_mode)
 		return;
 
+	if (priv->no_event_mode)
+		return;
+
 	port_priv->event_state = ES_DATA;
 	port_priv->event_mode = true;
 
@@ -2074,6 +2080,33 @@ static void cp210x_init_max_speed(struct usb_serial *serial)
 	priv->use_actual_rate = use_actual_rate;
 }
 
+static void cp2102_determine_quirks(struct usb_serial *serial)
+{
+	struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+	u8 *buf;
+	int ret;
+
+	buf = kmalloc(2, GFP_KERNEL);
+	if (!buf)
+		return;
+	/*
+	 * Some (possibly counterfeit) CP2102 do not support event-insertion
+	 * mode and respond differently to malformed vendor requests.
+	 * Specifically, they return one instead of two bytes when sent a
+	 * two-byte part-number request.
+	 */
+	ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+			CP210X_VENDOR_SPECIFIC, REQTYPE_DEVICE_TO_HOST,
+			CP210X_GET_PARTNUM, 0, buf, 2, USB_CTRL_GET_TIMEOUT);
+	if (ret == 1) {
+		dev_dbg(&serial->interface->dev,
+				"device does not support event-insertion mode\n");
+		priv->no_event_mode = true;
+	}
+
+	kfree(buf);
+}
+
 static int cp210x_get_fw_version(struct usb_serial *serial, u16 value)
 {
 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);
@@ -2108,7 +2141,12 @@ static void cp210x_determine_type(struct usb_serial *serial)
 		return;
 	}
 
+	dev_dbg(&serial->interface->dev, "partnum = 0x%02x\n", priv->partnum);
+
 	switch (priv->partnum) {
+	case CP210X_PARTNUM_CP2102:
+		cp2102_determine_quirks(serial);
+		break;
 	case CP210X_PARTNUM_CP2105:
 	case CP210X_PARTNUM_CP2108:
 		cp210x_get_fw_version(serial, CP210X_GET_FW_VER);

drivers/usb/serial/mos7840.c

@@ -107,7 +107,6 @@
 #define BANDB_DEVICE_ID_USOPTL4_2P       0xBC02
 #define BANDB_DEVICE_ID_USOPTL4_4        0xAC44
 #define BANDB_DEVICE_ID_USOPTL4_4P       0xBC03
-#define BANDB_DEVICE_ID_USOPTL2_4        0xAC24
 
 /* Interrupt Routine Defines    */
 
@@ -186,7 +185,6 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2P) },
 	{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4) },
 	{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4P) },
-	{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4) },
 	{}			/* terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);

drivers/usb/serial/option.c

@@ -1205,6 +1205,14 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(0) | RSVD(1) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff),	/* Telit FD980 */
 	  .driver_info = NCTRL(2) | RSVD(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff),	/* Telit LN920 (rmnet) */
+	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff),	/* Telit LN920 (MBIM) */
+	  .driver_info = NCTRL(0) | RSVD(1) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1062, 0xff),	/* Telit LN920 (RNDIS) */
+	  .driver_info = NCTRL(2) | RSVD(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff),	/* Telit LN920 (ECM) */
+	  .driver_info = NCTRL(0) | RSVD(1) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -1650,7 +1658,6 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff),
 	  .driver_info = RSVD(1) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff),
@@ -2068,6 +2075,8 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
 	{ USB_DEVICE(0x0489, 0xe0b5),						/* Foxconn T77W968 ESIM */
 	  .driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0db, 0xff),			/* Foxconn T99W265 MBIM */
+	  .driver_info = RSVD(3) },
 	{ USB_DEVICE(0x1508, 0x1001),						/* Fibocom NL668 (IOT version) */
 	  .driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
 	{ USB_DEVICE(0x2cb7, 0x0104),						/* Fibocom NL678 series */

drivers/usb/storage/unusual_devs.h

@@ -416,9 +416,16 @@ UNUSUAL_DEV(  0x04cb, 0x0100, 0x0000, 0x2210,
 		USB_SC_UFI, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_SINGLE_LUN),
 
 /*
- * Reported by Ondrej Zary <linux@rainbow-software.org>
+ * Reported by Ondrej Zary <linux@zary.sk>
  * The device reports one sector more and breaks when that sector is accessed
+ * Firmwares older than 2.6c (the latest one and the only that claims Linux
+ * support) have also broken tag handling
  */
+UNUSUAL_DEV(  0x04ce, 0x0002, 0x0000, 0x026b,
+		"ScanLogic",
+		"SL11R-IDE",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG),
 UNUSUAL_DEV(  0x04ce, 0x0002, 0x026c, 0x026c,
 		"ScanLogic",
 		"SL11R-IDE",

drivers/usb/storage/unusual_uas.h

@@ -50,7 +50,7 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999,
 		"LaCie",
 		"Rugged USB3-FW",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
-		US_FL_IGNORE_UAS),
+		US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),
 
 /*
  * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI

include/linux/usb/hcd.h

@@ -124,6 +124,7 @@ struct usb_hcd {
 #define HCD_FLAG_RH_RUNNING		5	/* root hub is running? */
 #define HCD_FLAG_DEAD			6	/* controller has died? */
 #define HCD_FLAG_INTF_AUTHORIZED	7	/* authorize interfaces? */
+#define HCD_FLAG_DEFER_RH_REGISTER	8	/* Defer roothub registration */
 
 	/* The flags can be tested using these macros; they are likely to
 	 * be slightly faster than test_bit().
@@ -134,6 +135,7 @@ struct usb_hcd {
 #define HCD_WAKEUP_PENDING(hcd)	((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING))
 #define HCD_RH_RUNNING(hcd)	((hcd)->flags & (1U << HCD_FLAG_RH_RUNNING))
 #define HCD_DEAD(hcd)		((hcd)->flags & (1U << HCD_FLAG_DEAD))
+#define HCD_DEFER_RH_REGISTER(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEFER_RH_REGISTER))
 
 	/*
 	 * Specifies if interfaces are authorized by default

tools/usb/testusb.c

@@ -265,12 +265,6 @@ static int find_testdev(const char *name, const struct stat *sb, int flag)
 	}
 
 	entry->ifnum = ifnum;
-
-	/* FIXME update USBDEVFS_CONNECTINFO so it tells about high speed etc */
-
-	fprintf(stderr, "%s speed\t%s\t%u\n",
-		speed(entry->speed), entry->name, entry->ifnum);
-
 	entry->next = testdevs;
 	testdevs = entry;
 	return 0;
@@ -299,6 +293,14 @@ static void *handle_testdev (void *arg)
 		return 0;
 	}
 
+	status  =  ioctl(fd, USBDEVFS_GET_SPEED, NULL);
+	if (status < 0)
+		fprintf(stderr, "USBDEVFS_GET_SPEED failed %d\n", status);
+	else
+		dev->speed = status;
+	fprintf(stderr, "%s speed\t%s\t%u\n",
+			speed(dev->speed), dev->name, dev->ifnum);
+
 restart:
 	for (i = 0; i < TEST_CASES; i++) {
 		if (dev->test != -1 && dev->test != i)