kernel: USB update from stlinux24_217

kernel/drivers/usb/Kconfig

@@ -49,7 +49,8 @@ config USB_ARCH_HAS_OHCI
 	default y if CPU_SUBTYPE_SH7721
 	default y if CPU_SUBTYPE_SH7763
 	default y if CPU_SUBTYPE_SH7786
-	default y if CPU_SUBTYPE_FLI7510
+	default y if CPU_SUBTYPE_FLI75XX
+	default y if CPU_SUBTYPE_STXH205
 	default y if CPU_SUBTYPE_STX5197
 	default y if CPU_SUBTYPE_STX5206
 	default y if CPU_SUBTYPE_STX7100
@@ -69,7 +70,8 @@ config USB_ARCH_HAS_EHCI
 	default y if ARCH_IXP4XX
 	default y if ARCH_W90X900
 	default y if ARCH_AT91SAM9G45
-	default y if CPU_SUBTYPE_FLI7510
+	default y if CPU_SUBTYPE_FLI75XX
+	default y if CPU_SUBTYPE_STXH205
 	default y if CPU_SUBTYPE_STX5197
 	default y if CPU_SUBTYPE_STX5206
 	default y if CPU_SUBTYPE_STX7100

kernel/drivers/usb/class/cdc-acm.c

@@ -1120,7 +1120,8 @@ skip_normal_probe:
 	}
 
 
-	if (data_interface->cur_altsetting->desc.bNumEndpoints < 2)
+	if (data_interface->cur_altsetting->desc.bNumEndpoints < 2 ||
+	    control_interface->cur_altsetting->desc.bNumEndpoints == 0)
 		return -EINVAL;
 
 	epctrl = &control_interface->cur_altsetting->endpoint[0].desc;
@@ -1264,6 +1265,8 @@ made_compressed_probe:
 		i = device_create_file(&intf->dev, &dev_attr_wCountryCodes);
 		if (i < 0) {
 			kfree(acm->country_codes);
+			acm->country_codes = NULL;
+			acm->country_code_size = 0;
 			goto skip_countries;
 		}
 
@@ -1272,6 +1275,8 @@ made_compressed_probe:
 		if (i < 0) {
 			device_remove_file(&intf->dev, &dev_attr_wCountryCodes);
 			kfree(acm->country_codes);
+			acm->country_codes = NULL;
+			acm->country_code_size = 0;
 			goto skip_countries;
 		}
 	}
@@ -1528,6 +1533,16 @@ static struct usb_device_id acm_ids[] = {
 	},
 	{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
 	},
+	/* Motorola H24 HSPA module: */
+	{ USB_DEVICE(0x22b8, 0x2d91) }, /* modem                                */
+	{ USB_DEVICE(0x22b8, 0x2d92) }, /* modem           + diagnostics        */
+	{ USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port                      */
+	{ USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics        */
+	{ USB_DEVICE(0x22b8, 0x2d96) }, /* modem                         + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d97) }, /* modem           + diagnostics + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port               + NMEA */
+	{ USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
+
 	{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
 	.driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
 					   data interface instead of
@@ -1606,6 +1621,9 @@ static struct usb_device_id acm_ids[] = {
 	{ NOKIA_PCSUITE_ACM_INFO(0x03cd), }, /* Nokia C7 */
 	{ SAMSUNG_PCSUITE_ACM_INFO(0x6651), }, /* Samsung GTi8510 (INNOV8) */
 
+	/* Support for Owen devices */
+	{ USB_DEVICE(0x03eb, 0x0030), }, /* Owen SI30 */
+
 	/* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
 
 	/* control interfaces without any protocol set */

kernel/drivers/usb/class/cdc-wdm.c

@@ -52,6 +52,7 @@ MODULE_DEVICE_TABLE (usb, wdm_ids);
 #define WDM_READ		4
 #define WDM_INT_STALL		5
 #define WDM_POLL_RUNNING	6
+#define WDM_OVERFLOW		10
 
 
 #define WDM_MAX			16
@@ -115,6 +116,7 @@ static void wdm_in_callback(struct urb *urb)
 {
 	struct wdm_device *desc = urb->context;
 	int status = urb->status;
+	int length = urb->actual_length;
 
 	spin_lock(&desc->iuspin);
 
@@ -144,9 +146,17 @@ static void wdm_in_callback(struct urb *urb)
 	}
 
 	desc->rerr = status;
-	desc->reslength = urb->actual_length;
-	memmove(desc->ubuf + desc->length, desc->inbuf, desc->reslength);
-	desc->length += desc->reslength;
+	if (length + desc->length > desc->wMaxCommand) {
+		/* The buffer would overflow */
+		set_bit(WDM_OVERFLOW, &desc->flags);
+	} else {
+		/* we may already be in overflow */
+		if (!test_bit(WDM_OVERFLOW, &desc->flags)) {
+			memmove(desc->ubuf + desc->length, desc->inbuf, length);
+			desc->length += length;
+			desc->reslength = length;
+		}
+	}
 	wake_up(&desc->wait);
 
 	set_bit(WDM_READ, &desc->flags);
@@ -277,7 +287,7 @@ static void cleanup(struct wdm_device *desc)
 			desc->sbuf,
 			desc->validity->transfer_dma);
 	usb_buffer_free(interface_to_usbdev(desc->intf),
-			desc->wMaxCommand,
+			desc->bMaxPacketSize0,
 			desc->inbuf,
 			desc->response->transfer_dma);
 	kfree(desc->orq);
@@ -314,7 +324,7 @@ static ssize_t wdm_write
 	if (r < 0)
 		goto outnp;
 
-	if (!file->f_flags && O_NONBLOCK)
+	if (!(file->f_flags & O_NONBLOCK))
 		r = wait_event_interruptible(desc->wait, !test_bit(WDM_IN_USE,
 								&desc->flags));
 	else
@@ -398,6 +408,11 @@ retry:
 			rv = -ENODEV;
 			goto err;
 		}
+		if (test_bit(WDM_OVERFLOW, &desc->flags)) {
+			clear_bit(WDM_OVERFLOW, &desc->flags);
+			rv = -ENOBUFS;
+			goto err;
+		}
 		i++;
 		if (file->f_flags & O_NONBLOCK) {
 			if (!test_bit(WDM_READ, &desc->flags)) {
@@ -440,7 +455,10 @@ retry:
 			spin_unlock_irq(&desc->iuspin);
 			goto retry;
 		}
+
 		if (!desc->reslength) { /* zero length read */
+			dev_dbg(&desc->intf->dev, "%s: zero length - clearing WDM_READ\n", __func__);
+			clear_bit(WDM_READ, &desc->flags);
 			spin_unlock_irq(&desc->iuspin);
 			goto retry;
 		}
@@ -458,7 +476,9 @@ retry:
 	for (i = 0; i < desc->length - cntr; i++)
 		desc->ubuf[i] = desc->ubuf[i + cntr];
 
+	spin_lock_irq(&desc->iuspin);
 	desc->length -= cntr;
+	spin_unlock_irq(&desc->iuspin);
 	/* in case we had outstanding data */
 	if (!desc->length)
 		clear_bit(WDM_READ, &desc->flags);
@@ -840,6 +860,7 @@ static int wdm_post_reset(struct usb_interface *intf)
 	struct wdm_device *desc = usb_get_intfdata(intf);
 	int rv;
 
+	clear_bit(WDM_OVERFLOW, &desc->flags);
 	rv = recover_from_urb_loss(desc);
 	mutex_unlock(&desc->plock);
 	return 0;

kernel/drivers/usb/class/usbtmc.c

@@ -267,7 +267,7 @@ usbtmc_abort_bulk_in_status:
 				dev_err(dev, "usb_bulk_msg returned %d\n", rv);
 				goto exit;
 			}
-		} while ((actual = max_size) &&
+		} while ((actual == max_size) &&
 			 (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
 
 	if (actual == max_size) {

kernel/drivers/usb/core/devio.c

@@ -403,7 +403,7 @@ static void async_completed(struct urb *urb)
 		sinfo.si_errno = as->status;
 		sinfo.si_code = SI_ASYNCIO;
 		sinfo.si_addr = as->userurb;
-		pid = as->pid;
+		pid = get_pid(as->pid);
 		uid = as->uid;
 		euid = as->euid;
 		secid = as->secid;
@@ -416,9 +416,11 @@ static void async_completed(struct urb *urb)
 		cancel_bulk_urbs(ps, as->bulk_addr);
 	spin_unlock(&ps->lock);
 
-	if (signr)
+	if (signr) {
 		kill_pid_info_as_uid(sinfo.si_signo, &sinfo, pid, uid,
 				      euid, secid);
+		put_pid(pid);
+	}
 
 	wake_up(&ps->wait);
 }
@@ -1452,10 +1454,14 @@ static int processcompl_compat(struct async *as, void __user * __user *arg)
 	void __user *addr = as->userurb;
 	unsigned int i;
 
-	if (as->userbuffer && urb->actual_length)
-		if (copy_to_user(as->userbuffer, urb->transfer_buffer,
-				 urb->actual_length))
+	if (as->userbuffer && urb->actual_length) {
+		if (urb->number_of_packets > 0)		/* Isochronous */
+			i = urb->transfer_buffer_length;
+		else					/* Non-Isoc */
+			i = urb->actual_length;
+		if (copy_to_user(as->userbuffer, urb->transfer_buffer, i))
 			return -EFAULT;
+	}
 	if (put_user(as->status, &userurb->status))
 		return -EFAULT;
 	if (put_user(urb->actual_length, &userurb->actual_length))

kernel/drivers/usb/core/driver.c

@@ -1187,13 +1187,22 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
 		for (; i < udev->actconfig->desc.bNumInterfaces; i++) {
 			intf = udev->actconfig->interface[i];
 			status = usb_suspend_interface(udev, intf, msg);
+
+			/* Ignore errors during system sleep transitions */
+			if (!(msg.event & PM_EVENT_AUTO))
+				status = 0;
 			if (status != 0)
 				break;
 		}
 	}
-	if (status == 0)
+	if (status == 0) {
 		status = usb_suspend_device(udev, msg);
 
+		/* Again, ignore errors during system sleep transitions */
+		if (!(msg.event & PM_EVENT_AUTO))
+			status = 0;
+	}
+
 	/* If the suspend failed, resume interfaces that did get suspended */
 	if (status != 0) {
 		pm_message_t msg2;

kernel/drivers/usb/core/hub.c

@@ -23,6 +23,7 @@
 #include <linux/mutex.h>
 #include <linux/freezer.h>
 #include <linux/usb/quirks.h>
+#include <linux/random.h>
 
 #include <asm/uaccess.h>
 #include <asm/byteorder.h>
@@ -458,10 +459,8 @@ hub_clear_tt_buffer (struct usb_device *hdev, u16 devinfo, u16 tt)
  * talking to TTs must queue control transfers (not just bulk and iso), so
  * both can talk to the same hub concurrently.
  */
-static void hub_tt_work(struct work_struct *work)
+void _hub_tt_work(struct usb_hub *hub)
 {
-	struct usb_hub		*hub =
-		container_of(work, struct usb_hub, tt.clear_work);
 	unsigned long		flags;
 	int			limit = 100;
 
@@ -496,6 +495,14 @@ static void hub_tt_work(struct work_struct *work)
 	spin_unlock_irqrestore (&hub->tt.lock, flags);
 }
 
+void hub_tt_work(struct work_struct *work)
+{
+	struct usb_hub		*hub =
+		container_of(work, struct usb_hub, tt.clear_work);
+
+	_hub_tt_work(hub);
+}
+
 /**
  * usb_hub_clear_tt_buffer - clear control/bulk TT state in high speed hub
  * @urb: an URB associated with the failed or incomplete split transaction
@@ -543,7 +550,20 @@ int usb_hub_clear_tt_buffer(struct urb *urb)
 	/* tell keventd to clear state for this TT */
 	spin_lock_irqsave (&tt->lock, flags);
 	list_add_tail (&clear->clear_list, &tt->clear_list);
-	schedule_work(&tt->clear_work);
+	/* don't schedule on kevent if we're running on keventd (e.g.,
+	 * in hid_reset we can get here on kevent) unless on >=2.6.36
+	 */
+	if (!current_is_keventd())
+		/* put it on keventd */
+		schedule_work(&tt->clear_work);
+	else {
+		/* let khubd do it */
+		struct usb_hub		*hub =
+			container_of(&tt->clear_work, struct usb_hub,
+					tt.clear_work);
+		kick_khubd(hub);
+	}
+
 	spin_unlock_irqrestore (&tt->lock, flags);
 	return 0;
 }
@@ -1812,6 +1832,16 @@ int usb_new_device(struct usb_device *udev)
 	/* Tell the world! */
 	announce_device(udev);
 
+#if 0
+	if (udev->serial)
+		add_device_randomness(udev->serial, strlen(udev->serial));
+	if (udev->product)
+		add_device_randomness(udev->product, strlen(udev->product));
+	if (udev->manufacturer)
+		add_device_randomness(udev->manufacturer,
+				      strlen(udev->manufacturer));
+#endif
+
 	/* Register the device.  The device driver is responsible
 	 * for configuring the device and invoking the add-device
 	 * notifier chain (used by usbfs and possibly others).
@@ -2188,6 +2218,10 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
 				USB_DEVICE_REMOTE_WAKEUP, 0,
 				NULL, 0,
 				USB_CTRL_SET_TIMEOUT);
+
+		/* System sleep transitions should never fail */
+		if (!(msg.event & PM_EVENT_AUTO))
+			status = 0;
 	} else {
 		/* device has up to 10 msec to fully suspend */
 		dev_dbg(&udev->dev, "usb %ssuspend\n",
@@ -2427,16 +2461,15 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
 	struct usb_device	*hdev = hub->hdev;
 	unsigned		port1;
 
-	/* fail if children aren't already suspended */
+	/* Warn if children aren't already suspended */
 	for (port1 = 1; port1 <= hdev->maxchild; port1++) {
 		struct usb_device	*udev;
 
 		udev = hdev->children [port1-1];
 		if (udev && udev->can_submit) {
-			if (!(msg.event & PM_EVENT_AUTO))
-				dev_dbg(&intf->dev, "port %d nyet suspended\n",
-						port1);
-			return -EBUSY;
+			dev_warn(&intf->dev, "port %d nyet suspended\n", port1);
+			if (msg.event & PM_EVENT_AUTO)
+				return -EBUSY;
 		}
 	}
 
@@ -3271,6 +3304,10 @@ static void hub_events(void)
 		if (hub->quiescing)
 			goto loop_autopm;
 
+		/* _hub_tt_work usually run on keventd */
+		if (!list_empty(&hub->tt.clear_list))
+			_hub_tt_work(hub);
+
 		if (hub->error) {
 			dev_dbg (hub_dev, "resetting for error %d\n",
 				hub->error);

kernel/drivers/usb/core/quirks.c

@@ -38,6 +38,51 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Creative SB Audigy 2 NX */
 	{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C200 */
+	{ USB_DEVICE(0x046d, 0x0802), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C250 */
+	{ USB_DEVICE(0x046d, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam B/C500 */
+	{ USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C600 */
+	{ USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam Pro 9000 */
+	{ USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C905 */
+	{ USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C210 */
+	{ USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C260 */
+	{ USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C310 */
+	{ USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C910 */
+	{ USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C160 */
+	{ USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C270 */
+	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam Pro 9000 */
+	{ USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam E3500 */
+	{ USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam Vision Pro */
+	{ USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Harmony 700-series */
 	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
 
@@ -69,6 +114,12 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
 
+	/* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */
+	{ USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Guillemot Webcam Hercules Dualpix Exchange*/
+	{ USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* M-Systems Flash Disk Pioneers */
 	{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
 

kernel/drivers/usb/early/ehci-dbgp.c

@@ -449,7 +449,7 @@ static int dbgp_ehci_startup(void)
 	writel(FLAG_CF, &ehci_regs->configured_flag);
 
 	/* Wait until the controller is no longer halted */
-	loop = 10;
+	loop = 1000;
 	do {
 		status = readl(&ehci_regs->status);
 		if (!(status & STS_HALT))

kernel/drivers/usb/gadget/dummy_hcd.c

@@ -1886,6 +1886,7 @@ static int dummy_hcd_probe(struct platform_device *pdev)
 	if (!hcd)
 		return -ENOMEM;
 	the_controller = hcd_to_dummy (hcd);
+	hcd->has_tt = 1;
 
 	retval = usb_add_hcd(hcd, 0, 0);
 	if (retval != 0) {

kernel/drivers/usb/gadget/f_loopback.c

@@ -373,7 +373,7 @@ int __init loopback_add(struct usb_composite_dev *cdev, bool autoresume)
 
 	/* support autoresume for remote wakeup testing */
 	if (autoresume)
-		sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+		loopback_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
 
 	/* support OTG systems */
 	if (gadget_is_otg(cdev->gadget)) {

kernel/drivers/usb/host/ehci-dbg.c

@@ -41,7 +41,7 @@
  * (host controller _Structural_ parameters)
  * see EHCI spec, Table 2-4 for each value
  */
-static void dbg_hcs_params (struct ehci_hcd *ehci, char *label)
+static inline void dbg_hcs_params(struct ehci_hcd *ehci, char *label)
 {
 	u32	params = ehci_readl(ehci, &ehci->caps->hcs_params);
 
@@ -85,7 +85,7 @@ static inline void dbg_hcs_params (struct ehci_hcd *ehci, char *label) {}
  * (host controller _Capability_ parameters)
  * see EHCI Spec, Table 2-5 for each value
  * */
-static void dbg_hcc_params (struct ehci_hcd *ehci, char *label)
+static inline void dbg_hcc_params(struct ehci_hcd *ehci, char *label)
 {
 	u32	params = ehci_readl(ehci, &ehci->caps->hcc_params);
 

kernel/drivers/usb/host/ehci-hcd.c

@@ -84,7 +84,8 @@ static const char	hcd_name [] = "ehci_hcd";
 #define EHCI_IAA_MSECS		10		/* arbitrary */
 #define EHCI_IO_JIFFIES		(HZ/10)		/* io watchdog > irq_thresh */
 #define EHCI_ASYNC_JIFFIES	(HZ/20)		/* async idle timeout */
-#define EHCI_SHRINK_FRAMES	5		/* async qh unlink delay */
+#define EHCI_SHRINK_JIFFIES	(DIV_ROUND_UP(HZ, 200) + 1)
+						/* 200-ms async qh unlink delay */
 
 /* Initial IRQ latency:  faster than hw default */
 static int log2_irq_thresh = 0;		// 0 to 6
@@ -139,10 +140,7 @@ timer_action(struct ehci_hcd *ehci, enum ehci_timer_action action)
 			break;
 		/* case TIMER_ASYNC_SHRINK: */
 		default:
-			/* add a jiffie since we synch against the
-			 * 8 KHz uframe counter.
-			 */
-			t = DIV_ROUND_UP(EHCI_SHRINK_FRAMES * HZ, 1000) + 1;
+			t = EHCI_SHRINK_JIFFIES;
 			break;
 		}
 		mod_timer(&ehci->watchdog, t + jiffies);
@@ -432,7 +430,7 @@ static void ehci_shutdown(struct usb_hcd *hcd)
 	spin_unlock_irq(&ehci->lock);
 }
 
-static void ehci_port_power (struct ehci_hcd *ehci, int is_on)
+static inline void ehci_port_power(struct ehci_hcd *ehci, int is_on)
 {
 	unsigned port;
 

kernel/drivers/usb/host/ehci-hub.c

@@ -264,7 +264,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 	u32			temp;
 	u32			power_okay;
 	int			i;
-	u8			resume_needed = 0;
+	unsigned long		resume_needed = 0;
 
 	if (time_before (jiffies, ehci->next_statechange))
 		msleep(5);
@@ -328,7 +328,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 		if (test_bit(i, &ehci->bus_suspended) &&
 				(temp & PORT_SUSPEND)) {
 			temp |= PORT_RESUME;
-			resume_needed = 1;
+			set_bit(i, &resume_needed);
 		}
 		ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 	}
@@ -343,8 +343,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 	i = HCS_N_PORTS (ehci->hcs_params);
 	while (i--) {
 		temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
-		if (test_bit(i, &ehci->bus_suspended) &&
-				(temp & PORT_SUSPEND)) {
+		if (test_bit(i, &resume_needed)) {
 			temp &= ~(PORT_RWC_BITS | PORT_RESUME);
 			ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 			ehci_vdbg (ehci, "resumed port %d\n", i + 1);
@@ -779,10 +778,11 @@ static int ehci_hub_control (
 			 * power switching; they're allowed to just limit the
 			 * current.  khubd will turn the power back on.
 			 */
-			if (HCS_PPC (ehci->hcs_params)){
+			if ((temp & PORT_OC) && HCS_PPC(ehci->hcs_params)) {
 				ehci_writel(ehci,
 					temp & ~(PORT_RWC_BITS | PORT_POWER),
 					status_reg);
+				temp = ehci_readl(ehci, status_reg);
 			}
 		}
 

kernel/drivers/usb/host/ehci-q.c

@@ -103,7 +103,7 @@ qh_update (struct ehci_hcd *ehci, struct ehci_qh *qh, struct ehci_qtd *qtd)
 	if (!(hw->hw_info1 & cpu_to_hc32(ehci, 1 << 14))) {
 		unsigned	is_out, epnum;
 
-		is_out = !(qtd->hw_token & cpu_to_hc32(ehci, 1 << 8));
+		is_out = qh->is_out;
 		epnum = (hc32_to_cpup(ehci, &hw->hw_info1) >> 8) & 0x0f;
 		if (unlikely (!usb_gettoggle (qh->dev, epnum, is_out))) {
 			hw->hw_token &= ~cpu_to_hc32(ehci, QTD_TOGGLE);
@@ -936,6 +936,7 @@ done:
 	hw = qh->hw;
 	hw->hw_info1 = cpu_to_hc32(ehci, info1);
 	hw->hw_info2 = cpu_to_hc32(ehci, info2);
+	qh->is_out = !is_input;
 	usb_settoggle (urb->dev, usb_pipeendpoint (urb->pipe), !is_input, 1);
 	qh_refresh (ehci, qh);
 	return qh;
@@ -1216,6 +1217,8 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 
 	prev->hw->hw_next = qh->hw->hw_next;
 	prev->qh_next = qh->qh_next;
+	if (ehci->qh_scan_next == qh)
+		ehci->qh_scan_next = qh->qh_next.qh;
 	wmb ();
 
 	/* If the controller isn't running, we don't have to wait for it */
@@ -1241,53 +1244,49 @@ static void scan_async (struct ehci_hcd *ehci)
 	struct ehci_qh		*qh;
 	enum ehci_timer_action	action = TIMER_IO_WATCHDOG;
 
-	ehci->stamp = ehci_readl(ehci, &ehci->regs->frame_index);
 	timer_action_done (ehci, TIMER_ASYNC_SHRINK);
-rescan:
 	stopped = !HC_IS_RUNNING(ehci_to_hcd(ehci)->state);
-	qh = ehci->async->qh_next.qh;
-	if (likely (qh != NULL)) {
-		do {
-			/* clean any finished work for this qh */
-			if (!list_empty(&qh->qtd_list) && (stopped ||
-					qh->stamp != ehci->stamp)) {
-				int temp;
 
-				/* unlinks could happen here; completion
-				 * reporting drops the lock.  rescan using
-				 * the latest schedule, but don't rescan
-				 * qhs we already finished (no looping)
-				 * unless the controller is stopped.
-				 */
-				qh = qh_get (qh);
-				qh->stamp = ehci->stamp;
-				temp = qh_completions (ehci, qh);
-				if (qh->needs_rescan)
-					unlink_async(ehci, qh);
-				qh_put (qh);
-				if (temp != 0) {
-					goto rescan;
-				}
-			}
+	ehci->qh_scan_next = ehci->async->qh_next.qh;
+	while (ehci->qh_scan_next) {
+		qh = ehci->qh_scan_next;
+		ehci->qh_scan_next = qh->qh_next.qh;
+ rescan:
+		/* clean any finished work for this qh */
+		if (!list_empty(&qh->qtd_list)) {
+			int temp;
 
-			/* unlink idle entries, reducing DMA usage as well
-			 * as HCD schedule-scanning costs.  delay for any qh
-			 * we just scanned, there's a not-unusual case that it
-			 * doesn't stay idle for long.
-			 * (plus, avoids some kind of re-activation race.)
+			/*
+			 * Unlinks could happen here; completion reporting
+			 * drops the lock.  That's why ehci->qh_scan_next
+			 * always holds the next qh to scan; if the next qh
+			 * gets unlinked then ehci->qh_scan_next is adjusted
+			 * in start_unlink_async().
 			 */
-			if (list_empty(&qh->qtd_list)
-					&& qh->qh_state == QH_STATE_LINKED) {
-				if (!ehci->reclaim && (stopped ||
-					((ehci->stamp - qh->stamp) & 0x1fff)
-						>= EHCI_SHRINK_FRAMES * 8))
-					start_unlink_async(ehci, qh);
-				else
-					action = TIMER_ASYNC_SHRINK;
-			}
+			qh = qh_get(qh);
+			temp = qh_completions(ehci, qh);
+			if (qh->needs_rescan)
+				unlink_async(ehci, qh);
+			qh->unlink_time = jiffies + EHCI_SHRINK_JIFFIES;
+			qh_put(qh);
+			if (temp != 0)
+				goto rescan;
+		}
 
-			qh = qh->qh_next.qh;
-		} while (qh);
+		/* unlink idle entries, reducing DMA usage as well
+		 * as HCD schedule-scanning costs.  delay for any qh
+		 * we just scanned, there's a not-unusual case that it
+		 * doesn't stay idle for long.
+		 * (plus, avoids some kind of re-activation race.)
+		 */
+		if (list_empty(&qh->qtd_list)
+				&& qh->qh_state == QH_STATE_LINKED) {
+			if (!ehci->reclaim && (stopped ||
+					time_after_eq(jiffies, qh->unlink_time)))
+				start_unlink_async(ehci, qh);
+			else
+				action = TIMER_ASYNC_SHRINK;
+		}
 	}
 	if (action == TIMER_ASYNC_SHRINK)
 		timer_action (ehci, TIMER_ASYNC_SHRINK);

kernel/drivers/usb/host/ehci-stcore.c

@@ -62,7 +62,7 @@ stm_ehci_bus_resume(struct usb_hcd *hcd)
 
 static const struct hc_driver ehci_stm_hc_driver = {
 	.description = hcd_name,
-	.product_desc = "st-ehci",
+	.product_desc = "STMicroelectronics EHCI Host Controller",
 	.hcd_priv_size = sizeof(struct ehci_hcd),
 
 	/*
@@ -199,6 +199,7 @@ static struct platform_driver ehci_hcd_stm_driver = {
 	.shutdown = usb_hcd_platform_shutdown,
 	.driver = {
 		.name = "stm-ehci",
+		.owner = THIS_MODULE,
 	},
 };
 
@@ -216,7 +217,7 @@ int stm_ehci_hcd_unregister(struct platform_device *dev)
 	ret = ehci_hcd_stm_remove(dev);
 	mutex_unlock(&stm_ehci_usb_mutex);
 	if (ret)
-		dgb_print("[STM][USB] Error on %s 0x%x\n", __func__, dev);
+		dgb_print("[STM][USB] Error on %s %p\n", __func__, dev);
 	return ret;
 
 }
@@ -230,7 +231,7 @@ int stm_ehci_hcd_register(struct platform_device *dev)
 	ret = ehci_hcd_stm_probe(dev);
 	mutex_unlock(&stm_ehci_usb_mutex);
 	if (ret)
-		dgb_print("[STM][USB] Error on %s 0x%x\n", __func__, dev);
+		dgb_print("[STM][USB] Error on %s %p\n", __func__, dev);
 	return ret;
 }
 EXPORT_SYMBOL(stm_ehci_hcd_register);

kernel/drivers/usb/host/ehci.h

@@ -74,6 +74,7 @@ struct ehci_hcd {			/* one per controller */
 	/* async schedule support */
 	struct ehci_qh		*async;
 	struct ehci_qh		*reclaim;
+	struct ehci_qh		*qh_scan_next;
 	unsigned		scanning : 1;
 
 	/* periodic schedule support */
@@ -116,7 +117,6 @@ struct ehci_hcd {			/* one per controller */
 	struct timer_list	iaa_watchdog;
 	struct timer_list	watchdog;
 	unsigned long		actions;
-	unsigned		stamp;
 	unsigned		random_frame;
 	unsigned long		next_statechange;
 	ktime_t			last_periodic_enable;
@@ -336,6 +336,7 @@ struct ehci_qh {
 	struct ehci_qh		*reclaim;	/* next to reclaim */
 
 	struct ehci_hcd		*ehci;
+	unsigned long		unlink_time;
 
 	/*
 	 * Do NOT use atomic operations for QH refcounting. On some CPUs
@@ -367,6 +368,7 @@ struct ehci_qh {
 #define NO_FRAME ((unsigned short)~0)			/* pick new start */
 
 	struct usb_device	*dev;		/* access to TT */
+	unsigned		is_out:1;	/* bulk or intr OUT */
 	unsigned		clearing_tt:1;	/* Clear-TT-Buf in progress */
 };
 

kernel/drivers/usb/host/fhci-sched.c

@@ -1,7 +1,7 @@
 /*
  * Freescale QUICC Engine USB Host Controller Driver
  *
- * Copyright (c) Freescale Semicondutor, Inc. 2006.
+ * Copyright (c) Freescale Semicondutor, Inc. 2006, 2011.
  *               Shlomi Gridish <gridish@freescale.com>
  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
  * Copyright (c) Logic Product Development, Inc. 2007
@@ -810,9 +810,11 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
 		ed->dev_addr = usb_pipedevice(urb->pipe);
 		ed->max_pkt_size = usb_maxpacket(urb->dev, urb->pipe,
 			usb_pipeout(urb->pipe));
+		/* setup stage */
 		td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP,
 			USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true);
 
+		/* data stage */
 		if (data_len > 0) {
 			td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
 				usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
@@ -820,9 +822,18 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
 				USB_TD_TOGGLE_DATA1, data, data_len, 0, 0,
 				true);
 		}
-		td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
-			usb_pipeout(urb->pipe) ? FHCI_TA_IN : FHCI_TA_OUT,
-			USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
+
+		/* status stage */
+		if (data_len > 0)
+			td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
+				(usb_pipeout(urb->pipe) ? FHCI_TA_IN :
+							  FHCI_TA_OUT),
+				USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
+		else
+			 td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
+				FHCI_TA_IN,
+				USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true);
+
 		urb_state = US_CTRL_SETUP;
 		break;
 	case FHCI_TF_ISO:

kernel/drivers/usb/host/hcd-stm.c

@@ -71,20 +71,21 @@ static int stm_usb_boot(struct platform_device *pdev)
 	void *wrapper_base = usb_data->ahb2stbus_wrapper_glue_base;
 	void *protocol_base = usb_data->ahb2stbus_protocol_base;
 	unsigned long reg, req_reg;
+	unsigned long flags = pl_data->flags;
 
-	if (pl_data->flags &
-		(STM_PLAT_USB_FLAGS_STRAP_8BIT |
-		 STM_PLAT_USB_FLAGS_STRAP_16BIT)) {
+
+	if (flags & (STM_PLAT_USB_FLAGS_STRAP_8BIT |
+		     STM_PLAT_USB_FLAGS_STRAP_16BIT)) {
 		/* Set strap mode */
 		reg = readl(wrapper_base + AHB2STBUS_STRAP_OFFSET);
-		if (pl_data->flags & STM_PLAT_USB_FLAGS_STRAP_16BIT)
+		if (flags & STM_PLAT_USB_FLAGS_STRAP_16BIT)
 			reg |= AHB2STBUS_STRAP_16_BIT;
 		else
 			reg &= ~AHB2STBUS_STRAP_16_BIT;
 		writel(reg, wrapper_base + AHB2STBUS_STRAP_OFFSET);
 	}
 
-	if (pl_data->flags & STM_PLAT_USB_FLAGS_STRAP_PLL) {
+	if (flags & STM_PLAT_USB_FLAGS_STRAP_PLL) {
 		/* Start PLL */
 		reg = readl(wrapper_base + AHB2STBUS_STRAP_OFFSET);
 		writel(reg | AHB2STBUS_STRAP_PLL,
@@ -95,7 +96,7 @@ static int stm_usb_boot(struct platform_device *pdev)
 		mdelay(30);
 	}
 
-	if (pl_data->flags & STM_PLAT_USB_FLAGS_OPC_MSGSIZE_CHUNKSIZE) {
+	if (flags & STM_PLAT_USB_FLAGS_OPC_MSGSIZE_CHUNKSIZE) {
 		/* Set the STBus Opcode Config for load/store 32 */
 		writel(AHB2STBUS_STBUS_OPC_32BIT,
 			protocol_base + AHB2STBUS_STBUS_OPC_OFFSET);
@@ -109,7 +110,7 @@ static int stm_usb_boot(struct platform_device *pdev)
 			protocol_base + AHB2STBUS_CHUNKSIZE_OFFSET);
 	}
 
-	if (pl_data->flags &
+	if (flags &
 		(STM_PLAT_USB_FLAGS_STBUS_CONFIG_THRESHOLD128 |
 		STM_PLAT_USB_FLAGS_STBUS_CONFIG_THRESHOLD256)) {
 
@@ -134,24 +135,14 @@ static int stm_usb_boot(struct platform_device *pdev)
 
 static int stm_usb_remove(struct platform_device *pdev)
 {
-	struct resource *res;
-	struct device *dev = &pdev->dev;
 	struct drv_usb_data *dr_data = platform_get_drvdata(pdev);
 
+	platform_device_unregister(dr_data->ehci_device);
+	platform_device_unregister(dr_data->ohci_device);
+
 	stm_device_power(dr_data->device_state, stm_device_power_off);
-
 	stm_usb_clk_disable(dr_data);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wrapper");
-	devm_release_mem_region(dev, res->start, resource_size(res));
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "protocol");
-	devm_release_mem_region(dev, res->start, resource_size(res));
-
-	if (dr_data->ehci_device)
-		platform_device_unregister(dr_data->ehci_device);
-	if (dr_data->ohci_device)
-		platform_device_unregister(dr_data->ohci_device);
-
 	return 0;
 }
 
@@ -191,7 +182,7 @@ static int __init stm_usb_probe(struct platform_device *pdev)
 	struct drv_usb_data *dr_data;
 	struct device *dev = &pdev->dev;
 	struct resource *res;
-	int ret = 0, i;
+	int i;
 	static char __initdata *usb_clks_n[USB_CLKS_NR] = {
 		[USB_48_CLK] = "usb_48_clk",
 		[USB_IC_CLK] = "usb_ic_clk",
@@ -200,7 +191,7 @@ static int __init stm_usb_probe(struct platform_device *pdev)
 	resource_size_t len;
 
 	dgb_print("\n");
-	dr_data = kzalloc(sizeof(struct drv_usb_data), GFP_KERNEL);
+	dr_data = devm_kzalloc(dev, sizeof(*dr_data), GFP_KERNEL);
 	if (!dr_data)
 		return -ENOMEM;
 
@@ -215,57 +206,47 @@ static int __init stm_usb_probe(struct platform_device *pdev)
 
 	stm_usb_clk_enable(dr_data);
 
-	dr_data->device_state = devm_stm_device_init(&pdev->dev,
-		plat_data->device_config);
-	if (!dr_data->device_state) {
-		ret = -EBUSY;
-		goto err_0;
-	}
+	dr_data->device_state =
+		devm_stm_device_init(&pdev->dev, plat_data->device_config);
+	if (!dr_data->device_state)
+		return -EBUSY;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wrapper");
-	if (!res) {
-		ret = -ENXIO;
-		goto err_0;
-	}
+	if (!res)
+		return -ENXIO;
+
 	len = resource_size(res);
-	if (devm_request_mem_region(dev, res->start, len, pdev->name) < 0) {
-		ret = -EBUSY;
-		goto err_0;
-	}
+	if (devm_request_mem_region(dev, res->start, len, pdev->name) < 0)
+		return -EBUSY;
+
 	dr_data->ahb2stbus_wrapper_glue_base =
 		devm_ioremap_nocache(dev, res->start, len);
 
-	if (!dr_data->ahb2stbus_wrapper_glue_base) {
-		ret = -EFAULT;
-		goto err_1;
-	}
+	if (!dr_data->ahb2stbus_wrapper_glue_base)
+		return -EFAULT;
+
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "protocol");
-	if (!res) {
-		ret = -ENXIO;
-		goto err_2;
-	}
+	if (!res)
+		return -ENXIO;
+
 	len = resource_size(res);
-	if (devm_request_mem_region(dev, res->start, len, pdev->name) < 0) {
-		ret = -EBUSY;
-		goto err_2;
-	}
+	if (devm_request_mem_region(dev, res->start, len, pdev->name) < 0)
+		return -EBUSY;
+
 	dr_data->ahb2stbus_protocol_base =
 		devm_ioremap_nocache(dev, res->start, len);
 
-	if (!dr_data->ahb2stbus_protocol_base) {
-		ret = -EFAULT;
-		goto err_3;
-	}
+	if (!dr_data->ahb2stbus_protocol_base)
+		return -EFAULT;
+
 	stm_usb_boot(pdev);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ehci");
 	if (res) {
 		dr_data->ehci_device = stm_usb_device_create("stm-ehci",
 			pdev->id, pdev);
-		if (IS_ERR(dr_data->ehci_device)) {
-			ret = (int)dr_data->ehci_device;
-			goto err_4;
-		}
+		if (IS_ERR(dr_data->ehci_device))
+			return PTR_ERR(dr_data->ehci_device);
 	}
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ohci");
@@ -273,10 +254,8 @@ static int __init stm_usb_probe(struct platform_device *pdev)
 		dr_data->ohci_device =
 			stm_usb_device_create("stm-ohci", pdev->id, pdev);
 		if (IS_ERR(dr_data->ohci_device)) {
-			if (dr_data->ehci_device)
-				platform_device_del(dr_data->ehci_device);
-			ret = (int)dr_data->ohci_device;
-			goto err_4;
+			platform_device_del(dr_data->ehci_device);
+			return PTR_ERR(dr_data->ohci_device);
 		}
 	}
 
@@ -285,21 +264,7 @@ static int __init stm_usb_probe(struct platform_device *pdev)
 	pm_suspend_ignore_children(&pdev->dev, 1);
 	pm_runtime_enable(&pdev->dev);
 
-	return ret;
-
-err_4:
-	devm_iounmap(dev, dr_data->ahb2stbus_protocol_base);
-err_3:
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "protocol");
-	devm_release_mem_region(dev, res->start, resource_size(res));
-err_2:
-	devm_iounmap(dev, dr_data->ahb2stbus_wrapper_glue_base);
-err_1:
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wrapper");
-	devm_release_mem_region(dev, res->start, resource_size(res));
-err_0:
-	kfree(dr_data);
-	return ret;
+	return 0;
 }
 
 static void stm_usb_shutdown(struct platform_device *pdev)

kernel/drivers/usb/host/ohci-stcore.c

@@ -56,7 +56,7 @@ static int stm_ohci_bus_suspend(struct usb_hcd *hcd)
 
 static const struct hc_driver ohci_st40_hc_driver = {
 	.description =		hcd_name,
-	.product_desc =		"stm-ohci",
+	.product_desc =		"STMicroelectronics OHCI Host Controller",
 	.hcd_priv_size =	sizeof(struct ohci_hcd),
 
 	/* generic hardware linkage */
@@ -165,6 +165,7 @@ static struct platform_driver ohci_hcd_stm_driver = {
 	.shutdown = usb_hcd_platform_shutdown,
 	.driver = {
 		.name = "stm-ohci",
+		.owner = THIS_MODULE,
 	},
 };
 
@@ -183,7 +184,7 @@ int stm_ohci_hcd_unregister(struct platform_device *dev)
 	ret = ohci_hcd_stm_remove(dev);
 	mutex_unlock(&stm_ohci_usb_mutex);
 	if (ret)
-		dgb_print("[STM][USB] Error on %s 0x%x\n", __func__, dev);
+		dgb_print("[STM][USB] Error on %s %p\n", __func__, dev);
 	return ret;
 }
 EXPORT_SYMBOL(stm_ohci_hcd_unregister);
@@ -196,7 +197,7 @@ int stm_ohci_hcd_register(struct platform_device *dev)
 	ret = ohci_hcd_stm_probe(dev);
 	mutex_unlock(&stm_ohci_usb_mutex);
 	if (ret)
-		dgb_print("[STM][USB] Error on %s 0x%x\n", __func__, dev);
+		dgb_print("[STM][USB] Error on %s %p\n", __func__, dev);
 
 	return ret;
 }

kernel/drivers/usb/host/pci-quirks.c

@@ -34,6 +34,8 @@
 #define OHCI_INTRSTATUS		0x0c
 #define OHCI_INTRENABLE		0x10
 #define OHCI_INTRDISABLE	0x14
+#define OHCI_FMINTERVAL		0x34
+#define OHCI_HCR		(1 << 0)	/* host controller reset */
 #define OHCI_OCR		(1 << 3)	/* ownership change request */
 #define OHCI_CTRL_RWC		(1 << 9)	/* remote wakeup connected */
 #define OHCI_CTRL_IR		(1 << 8)	/* interrupt routing */
@@ -204,6 +206,32 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 
 	/* reset controller, preserving RWC (and possibly IR) */
 	writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+	readl(base + OHCI_CONTROL);
+
+	/* Some NVIDIA controllers stop working if kept in RESET for too long */
+	if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
+		u32 fminterval;
+		int cnt;
+
+		/* drive reset for at least 50 ms (7.1.7.5) */
+		msleep(50);
+
+		/* software reset of the controller, preserving HcFmInterval */
+		fminterval = readl(base + OHCI_FMINTERVAL);
+		writel(OHCI_HCR, base + OHCI_CMDSTATUS);
+
+		/* reset requires max 10 us delay */
+		for (cnt = 30; cnt > 0; --cnt) {	/* ... allow extra time */
+			if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
+				break;
+			udelay(1);
+		}
+		writel(fminterval, base + OHCI_FMINTERVAL);
+
+		/* Now we're in the SUSPEND state with all devices reset
+		 * and wakeups and interrupts disabled
+		 */
+	}
 
 	/*
 	 * disable interrupts
@@ -390,12 +418,12 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
 	void __iomem *op_reg_base;
 	u32 val;
 	int timeout;
+	int len = pci_resource_len(pdev, 0);
 
 	if (!mmio_resource_enabled(pdev, 0))
 		return;
 
-	base = ioremap_nocache(pci_resource_start(pdev, 0),
-				pci_resource_len(pdev, 0));
+	base = ioremap_nocache(pci_resource_start(pdev, 0), len);
 	if (base == NULL)
 		return;
 
@@ -405,9 +433,17 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
 	 */
 	ext_cap_offset = xhci_find_next_cap_offset(base, XHCI_HCC_PARAMS_OFFSET);
 	do {
+		if ((ext_cap_offset + sizeof(val)) > len) {
+			/* We're reading garbage from the controller */
+			dev_warn(&pdev->dev,
+				 "xHCI controller failing to respond");
+			return;
+		}
+
 		if (!ext_cap_offset)
 			/* We've reached the end of the extended capabilities */
 			goto hc_init;
+
 		val = readl(base + ext_cap_offset);
 		if (XHCI_EXT_CAPS_ID(val) == XHCI_EXT_CAPS_LEGACY)
 			break;
@@ -416,7 +452,7 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
 
 	/* If the BIOS owns the HC, signal that the OS wants it, and wait */
 	if (val & XHCI_HC_BIOS_OWNED) {
-		writel(val & XHCI_HC_OS_OWNED, base + ext_cap_offset);
+		writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset);
 
 		/* Wait for 5 seconds with 10 microsecond polling interval */
 		timeout = handshake(base + ext_cap_offset, XHCI_HC_BIOS_OWNED,
@@ -430,9 +466,13 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
 		}
 	}
 
-	/* Disable any BIOS SMIs */
-	writel(XHCI_LEGACY_DISABLE_SMI,
-			base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
+	val = readl(base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
+	/* Mask off (turn off) any enabled SMIs */
+	val &= XHCI_LEGACY_DISABLE_SMI;
+	/* Mask all SMI events bits, RW1C */
+	val |= XHCI_LEGACY_SMI_EVENTS;
+	/* Disable any BIOS SMIs and clear all SMI events*/
+	writel(val, base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
 
 hc_init:
 	op_reg_base = base + XHCI_HC_LENGTH(readl(base));
@@ -470,6 +510,22 @@ hc_init:
 
 static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 {
+	/* Skip Netlogic mips SoC's internal PCI USB controller.
+	 * This device does not need/support EHCI/OHCI handoff
+	 */
+	if (pdev->vendor == 0x184e)	/* vendor Netlogic */
+		return;
+	if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_OHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_XHCI)
+		return;
+
+	if (pci_enable_device(pdev) < 0) {
+		dev_warn(&pdev->dev, "Can't enable PCI device, "
+				"BIOS handoff failed.\n");
+		return;
+	}
 	if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI)
 		quirk_usb_handoff_uhci(pdev);
 	else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI)
@@ -478,5 +534,6 @@ static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 		quirk_usb_disable_ehci(pdev);
 	else if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI)
 		quirk_usb_handoff_xhci(pdev);
+	pci_disable_device(pdev);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, quirk_usb_early_handoff);

kernel/drivers/usb/host/whci/qset.c

@@ -104,7 +104,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
 {
 	qset->td_start = qset->td_end = qset->ntds = 0;
 
-	qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
+	qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T);
 	qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK;
 	qset->qh.err_count = 0;
 	qset->qh.scratch[0] = 0;

kernel/drivers/usb/host/xhci-ext-caps.h

@@ -62,8 +62,9 @@
 /* USB Legacy Support Control and Status Register  - section 7.1.2 */
 /* Add this offset, plus the value of xECP in HCCPARAMS to the base address */
 #define XHCI_LEGACY_CONTROL_OFFSET	(0x04)
-/* bits 1:2, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */
-#define	XHCI_LEGACY_DISABLE_SMI		((0x3 << 1) + (0xff << 5) + (0x7 << 17))
+/* bits 1:3, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */
+#define	XHCI_LEGACY_DISABLE_SMI		((0x7 << 1) + (0xff << 5) + (0x7 << 17))
+#define XHCI_LEGACY_SMI_EVENTS		(0x7 << 29)
 
 /* command register values to disable interrupts and halt the HC */
 /* start/stop HC execution - do not write unless HC is halted*/

kernel/drivers/usb/host/xhci-hcd.c

@@ -150,7 +150,7 @@ int xhci_reset(struct xhci_hcd *xhci)
 	xhci_to_hcd(xhci)->state = HC_STATE_HALT;
 
 	ret = handshake(xhci, &xhci->op_regs->command,
-			CMD_RESET, 0, 250 * 1000);
+			CMD_RESET, 0, 10 * 1000 * 1000);
 	if (ret)
 		return ret;
 
@@ -979,6 +979,7 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
 	u32 added_ctxs;
 	unsigned int last_ctx;
 	u32 new_add_flags, new_drop_flags, new_slot_info;
+	struct xhci_virt_device *virt_dev;
 	int ret = 0;
 
 	ret = xhci_check_args(hcd, udev, ep, 1, __func__);
@@ -1007,11 +1008,25 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
 		return -EINVAL;
 	}
 
-	in_ctx = xhci->devs[udev->slot_id]->in_ctx;
-	out_ctx = xhci->devs[udev->slot_id]->out_ctx;
+	virt_dev = xhci->devs[udev->slot_id];
+	in_ctx = virt_dev->in_ctx;
+	out_ctx = virt_dev->out_ctx;
 	ctrl_ctx = xhci_get_input_control_ctx(xhci, in_ctx);
 	ep_index = xhci_get_endpoint_index(&ep->desc);
 	ep_ctx = xhci_get_ep_ctx(xhci, out_ctx, ep_index);
+
+	/* If this endpoint is already in use, and the upper layers are trying
+	 * to add it again without dropping it, reject the addition.
+	 */
+	if (virt_dev->eps[ep_index].ring &&
+			!(le32_to_cpu(ctrl_ctx->drop_flags) &
+				xhci_get_endpoint_flag(&ep->desc))) {
+		xhci_warn(xhci, "Trying to add endpoint 0x%x "
+				"without dropping it.\n",
+				(unsigned int) ep->desc.bEndpointAddress);
+		return -EINVAL;
+	}
+
 	/* If the HCD has already noted the endpoint is enabled,
 	 * ignore this request.
 	 */
@@ -1026,8 +1041,7 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
 	 * process context, not interrupt context (or so documenation
 	 * for usb_set_interface() and usb_set_configuration() claim).
 	 */
-	if (xhci_endpoint_init(xhci, xhci->devs[udev->slot_id],
-				udev, ep, GFP_KERNEL) < 0) {
+	if (xhci_endpoint_init(xhci, virt_dev, udev, ep, GFP_NOIO) < 0) {
 		dev_dbg(&udev->dev, "%s - could not initialize ep %#x\n",
 				__func__, ep->desc.bEndpointAddress);
 		return -ENOMEM;

kernel/drivers/usb/host/xhci-mem.c

@@ -110,18 +110,20 @@ void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring)
 	struct xhci_segment *seg;
 	struct xhci_segment *first_seg;
 
-	if (!ring || !ring->first_seg)
+	if (!ring)
 		return;
-	first_seg = ring->first_seg;
-	seg = first_seg->next;
-	xhci_dbg(xhci, "Freeing ring at %p\n", ring);
-	while (seg != first_seg) {
-		struct xhci_segment *next = seg->next;
-		xhci_segment_free(xhci, seg);
-		seg = next;
+	if (ring->first_seg) {
+		first_seg = ring->first_seg;
+		seg = first_seg->next;
+		xhci_dbg(xhci, "Freeing ring at %p\n", ring);
+		while (seg != first_seg) {
+			struct xhci_segment *next = seg->next;
+			xhci_segment_free(xhci, seg);
+			seg = next;
+		}
+		xhci_segment_free(xhci, first_seg);
+		ring->first_seg = NULL;
 	}
-	xhci_segment_free(xhci, first_seg);
-	ring->first_seg = NULL;
 	kfree(ring);
 }
 
@@ -470,26 +472,42 @@ static unsigned int xhci_parse_exponent_interval(struct usb_device *udev,
 }
 
 /*
- * Convert bInterval expressed in frames (in 1-255 range) to exponent of
+ * Convert bInterval expressed in microframes (in 1-255 range) to exponent of
  * microframes, rounded down to nearest power of 2.
  */
-static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
+		struct usb_host_endpoint *ep, unsigned int desc_interval,
+		unsigned int min_exponent, unsigned int max_exponent)
 {
 	unsigned int interval;
 
-	interval = fls(8 * ep->desc.bInterval) - 1;
-	interval = clamp_val(interval, 3, 10);
-	if ((1 << interval) != 8 * ep->desc.bInterval)
+	interval = fls(desc_interval) - 1;
+	interval = clamp_val(interval, min_exponent, max_exponent);
+	if ((1 << interval) != desc_interval)
 		dev_warn(&udev->dev,
 			 "ep %#x - rounding interval to %d microframes, ep desc says %d microframes\n",
 			 ep->desc.bEndpointAddress,
 			 1 << interval,
-			 8 * ep->desc.bInterval);
+			 desc_interval);
 
 	return interval;
 }
 
+static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,
+		struct usb_host_endpoint *ep)
+{
+	return xhci_microframes_to_exponent(udev, ep,
+			ep->desc.bInterval, 0, 15);
+}
+
+
+static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
+		struct usb_host_endpoint *ep)
+{
+	return xhci_microframes_to_exponent(udev, ep,
+			ep->desc.bInterval * 8, 3, 10);
+}
+
 /* Return the polling or NAK interval.
  *
  * The polling interval is expressed in "microframes".  If xHCI's Interval field
@@ -508,7 +526,7 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
 		/* Max NAK rate */
 		if (usb_endpoint_xfer_control(&ep->desc) ||
 		    usb_endpoint_xfer_bulk(&ep->desc)) {
-			interval = ep->desc.bInterval;
+			interval = xhci_parse_microframe_interval(udev, ep);
 			break;
 		}
 		/* Fall through - SS and HS isoc/int have same decoding */
@@ -916,11 +934,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 	int i;
 
 	/* Free the Event Ring Segment Table and the actual Event Ring */
-	if (xhci->ir_set) {
-		xhci_writel(xhci, 0, &xhci->ir_set->erst_size);
-		xhci_write_64(xhci, 0, &xhci->ir_set->erst_base);
-		xhci_write_64(xhci, 0, &xhci->ir_set->erst_dequeue);
-	}
 	size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
 	if (xhci->erst.entries)
 		pci_free_consistent(pdev, size,
@@ -932,7 +945,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 	xhci->event_ring = NULL;
 	xhci_dbg(xhci, "Freed event ring\n");
 
-	xhci_write_64(xhci, 0, &xhci->op_regs->cmd_ring);
+	xhci->cmd_ring_reserved_trbs = 0;
 	if (xhci->cmd_ring)
 		xhci_ring_free(xhci, xhci->cmd_ring);
 	xhci->cmd_ring = NULL;
@@ -951,7 +964,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 	xhci->device_pool = NULL;
 	xhci_dbg(xhci, "Freed device context pool\n");
 
-	xhci_write_64(xhci, 0, &xhci->op_regs->dcbaa_ptr);
 	if (xhci->dcbaa)
 		pci_free_consistent(pdev, sizeof(*xhci->dcbaa),
 				xhci->dcbaa, xhci->dcbaa->dma);
@@ -1128,6 +1140,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 
 fail:
 	xhci_warn(xhci, "Couldn't initialize memory\n");
+	xhci_halt(xhci);
+	xhci_reset(xhci);
 	xhci_mem_cleanup(xhci);
 	return -ENOMEM;
 }

kernel/drivers/usb/misc/isight_firmware.c

@@ -54,8 +54,9 @@ static int isight_firmware_load(struct usb_interface *intf,
 
 	ptr = firmware->data;
 
+	buf[0] = 0x01;
 	if (usb_control_msg
-	    (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\1", 1,
+	    (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, buf, 1,
 	     300) != 1) {
 		printk(KERN_ERR
 		       "Failed to initialise isight firmware loader\n");
@@ -99,8 +100,9 @@ static int isight_firmware_load(struct usb_interface *intf,
 		}
 	}
 
+	buf[0] = 0x00;
 	if (usb_control_msg
-	    (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\0", 1,
+	    (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, buf, 1,
 	     300) != 1) {
 		printk(KERN_ERR "isight firmware loading completion failed\n");
 		ret = -ENODEV;

kernel/drivers/usb/misc/usbsevseg.c

@@ -24,7 +24,7 @@
 
 #define VENDOR_ID	0x0fc5
 #define PRODUCT_ID	0x1227
-#define MAXLEN		6
+#define MAXLEN		8
 
 /* table of devices that work with this driver */
 static struct usb_device_id id_table[] = {

kernel/drivers/usb/mon/mon_bin.c

@@ -1041,7 +1041,7 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file,
 		nevents = mon_bin_queued(rp);
 
 		sp = (struct mon_bin_stats __user *)arg;
-		if (put_user(rp->cnt_lost, &sp->dropped))
+		if (put_user(ndropped, &sp->dropped))
 			return -EFAULT;
 		if (put_user(nevents, &sp->queued))
 			return -EFAULT;

kernel/drivers/usb/serial/cp210x.c

@@ -94,6 +94,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */
 	{ USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */
 	{ USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */
+	{ USB_DEVICE(0x10C4, 0x81A9) }, /* Multiplex RC Interface */
 	{ USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */
 	{ USB_DEVICE(0x10C4, 0x81AD) }, /* INSYS USB Modem */
 	{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
@@ -135,10 +136,13 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0012) }, /* W-IE-NE-R Plein & Baus GmbH MPOD Multi Channel Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */
+	{ USB_DEVICE(0x17A8, 0x0001) }, /* Kamstrup Optical Eye/3-wire */
+	{ USB_DEVICE(0x17A8, 0x0005) }, /* Kamstrup M-Bus Master MultiPort 250D */
 	{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
 	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
+	{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
 	{ USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */
 	{ } /* Terminating Entry */
 };
@@ -359,8 +363,8 @@ static inline int cp210x_set_config_single(struct usb_serial_port *port,
  * Quantises the baud rate as per AN205 Table 1
  */
 static unsigned int cp210x_quantise_baudrate(unsigned int baud) {
-	if      (baud <= 56)       baud = 0;
-	else if (baud <= 300)      baud = 300;
+	if (baud <= 300)
+		baud = 300;
 	else if (baud <= 600)      baud = 600;
 	else if (baud <= 1200)     baud = 1200;
 	else if (baud <= 1800)     baud = 1800;

kernel/drivers/usb/serial/ftdi_sio.c

@@ -105,6 +105,7 @@ static int   ftdi_jtag_probe(struct usb_serial *serial);
 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
 static int   ftdi_stmclite_probe(struct usb_serial *serial);
+static int   ftdi_8u2232c_probe(struct usb_serial *serial);
 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 
@@ -132,6 +133,10 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
 	.probe	= ftdi_stmclite_probe,
 };
 
+static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
+	.probe	= ftdi_8u2232c_probe,
+};
+
 /*
  * The 8U232AM has the same API as the sio except for:
  * - it can support MUCH higher baudrates; up to:
@@ -155,6 +160,7 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
  */
 static struct usb_device_id id_table_combined [] = {
+	{ USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
@@ -181,7 +187,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
-	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
+		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
@@ -203,6 +210,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
 	{ USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
@@ -730,6 +739,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
@@ -740,6 +750,8 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
@@ -786,6 +798,7 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(HORNBY_VID, HORNBY_ELITE_PID) },
 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
@@ -794,6 +807,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
@@ -825,11 +840,13 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
 	{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
+	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -1339,8 +1356,7 @@ static int set_serial_info(struct tty_struct *tty,
 		goto check_and_exit;
 	}
 
-	if ((new_serial.baud_base != priv->baud_base) &&
-	    (new_serial.baud_base < 9600)) {
+	if (new_serial.baud_base != priv->baud_base) {
 	    	unlock_kernel();
 		return -EINVAL;
 	}
@@ -1762,6 +1778,19 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
 	return 0;
 }
 
+static int ftdi_8u2232c_probe(struct usb_serial *serial)
+{
+	struct usb_device *udev = serial->dev;
+
+	dbg("%s", __func__);
+
+	if ((udev->manufacturer) &&
+	    (strcmp(udev->manufacturer, "CALAO Systems") == 0))
+		return ftdi_jtag_probe(serial);
+
+	return 0;
+}
+
 /*
  * First and second port on STMCLiteadaptors is reserved for JTAG interface
  * and the forth port for pio
@@ -1841,6 +1870,7 @@ static int ftdi_submit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
 
 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 { /* ftdi_open */
+	struct ktermios dummy;
 	struct usb_device *dev = port->serial->dev;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
@@ -1868,8 +1898,10 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 	   This is same behaviour as serial.c/rs_open() - Kuba */
 
 	/* ftdi_set_termios  will send usb control messages */
-	if (tty)
-		ftdi_set_termios(tty, port, tty->termios);
+	if (tty) {
+		memset(&dummy, 0, sizeof(dummy));
+		ftdi_set_termios(tty, port, &dummy);
+	}
 
 	/* Not throttled */
 	spin_lock_irqsave(&port->lock, flags);
@@ -2332,13 +2364,23 @@ static void ftdi_set_termios(struct tty_struct *tty,
 
 	cflag = termios->c_cflag;
 
-	/* FIXME -For this cut I don't care if the line is really changing or
-	   not  - so just do the change regardless  - should be able to
-	   compare old_termios and tty->termios */
+	if (!old_termios)
+		goto no_skip;
+
+	if (old_termios->c_cflag == termios->c_cflag
+	    && old_termios->c_ispeed == termios->c_ispeed
+	    && old_termios->c_ospeed == termios->c_ospeed)
+		goto no_c_cflag_changes;
+
 	/* NOTE These routines can get interrupted by
 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
 	   don't see any problems yet */
 
+	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
+	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
+		goto no_data_parity_stop_changes;
+
+no_skip:
 	/* Set number of data bits, parity, stop bits */
 
 	termios->c_cflag &= ~CMSPAR;
@@ -2375,6 +2417,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 	}
 
 	/* Now do the baudrate */
+no_data_parity_stop_changes:
 	if ((cflag & CBAUD) == B0) {
 		/* Disable flow control */
 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
@@ -2400,6 +2443,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 
 	/* Set flow control */
 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
+no_c_cflag_changes:
 	if (cflag & CRTSCTS) {
 		dbg("%s Setting to CRTSCTS flow control", __func__);
 		if (usb_control_msg(dev,

kernel/drivers/usb/serial/ftdi_sio_ids.h

@@ -38,6 +38,13 @@
 /* www.candapter.com Ewert Energy Systems CANdapter device */
 #define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */
 
+/*
+ * Texas Instruments XDS100v2 JTAG / BeagleBone A3
+ * http://processors.wiki.ti.com/index.php/XDS100
+ * http://beagleboard.org/bone
+ */
+#define TI_XDS100V2_PID		0xa6d0
+
 #define FTDI_NXTCAM_PID		0xABB8 /* NXTCam for Mindstorms NXT */
 
 /* US Interface Navigator (http://www.usinterface.com/) */
@@ -53,6 +60,7 @@
 /* FTDI 2332C Dual channel device, side A=245 FIFO (JTAG), Side B=RS232 UART */
 #define LMI_LM3S_DEVEL_BOARD_PID	0xbcd8
 #define LMI_LM3S_EVAL_BOARD_PID		0xbcd9
+#define LMI_LM3S_ICDI_BOARD_PID		0xbcda
 
 #define FTDI_TURTELIZER_PID	0xBDC8 /* JTAG/RS-232 adapter by egnite GmBH */
 
@@ -110,6 +118,7 @@
 
 /* Propox devices */
 #define FTDI_PROPOX_JTAGCABLEII_PID	0xD738
+#define FTDI_PROPOX_ISPCABLEIII_PID	0xD739
 
 /* Lenz LI-USB Computer Interface. */
 #define FTDI_LENZ_LIUSB_PID	0xD780
@@ -419,9 +428,11 @@
 #define PROTEGO_SPECIAL_4	0xFC73	/* special/unknown device */
 
 /*
- * DSS-20 Sync Station for Sony Ericsson P800
+ * Sony Ericsson product ids
  */
-#define FTDI_DSS20_PID          0xFC82
+#define FTDI_DSS20_PID		0xFC82	/* DSS-20 Sync Station for Sony Ericsson P800 */
+#define FTDI_URBAN_0_PID	0xFC8A	/* Sony Ericsson Urban, uart #0 */
+#define FTDI_URBAN_1_PID	0xFC8B	/* Sony Ericsson Urban, uart #1 */
 
 /* www.irtrans.de device */
 #define FTDI_IRTRANS_PID 0xFC60 /* Product Id */
@@ -519,6 +530,12 @@
 #define ADI_GNICE_PID 		0xF000
 #define ADI_GNICEPLUS_PID 	0xF001
 
+/*
+ * Hornby Elite
+ */
+#define HORNBY_VID		0x04D8
+#define HORNBY_ELITE_PID	0x000A
+
 /*
  * RATOC REX-USB60F
  */
@@ -1164,4 +1181,21 @@
 /* USB-Nano-485*/
 #define FTDI_CTI_NANO_PID	0xF60B
 
+/*
+ * ZeitControl cardsystems GmbH rfid-readers http://zeitconrol.de
+ */
+/* TagTracer MIFARE*/
+#define FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID	0xF7C0
 
+/*
+ * Rainforest Automation
+ */
+/* ZigBee controller */
+#define FTDI_RF_R106		0x8A28
+
+/*
+ * Product: HCP HIT GPRS modem
+ * Manufacturer: HCP d.o.o.
+ * ATI command output: Cinterion MC55i
+ */
+#define FTDI_CINTERION_MC55I_PID	0xA951

kernel/drivers/usb/serial/garmin_gps.c

@@ -974,10 +974,7 @@ static void garmin_close(struct usb_serial_port *port)
 	if (!serial)
 		return;
 
-	mutex_lock(&port->serial->disc_mutex);
-
-	if (!port->serial->disconnected)
-		garmin_clear(garmin_data_p);
+	garmin_clear(garmin_data_p);
 
 	/* shutdown our urbs */
 	usb_kill_urb(port->read_urb);
@@ -986,8 +983,6 @@ static void garmin_close(struct usb_serial_port *port)
 	/* keep reset state so we know that we must start a new session */
 	if (garmin_data_p->state != STATE_RESET)
 		garmin_data_p->state = STATE_DISCONNECTED;
-
-	mutex_unlock(&port->serial->disc_mutex);
 }
 
 

kernel/drivers/usb/serial/io_ti.c

@@ -574,6 +574,9 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,
 	wait_queue_t wait;
 	unsigned long flags;
 
+	if (!tty)
+		return;
+
 	if (!timeout)
 		timeout = (HZ * EDGE_CLOSING_WAIT)/100;
 
@@ -2664,15 +2667,7 @@ cleanup:
 
 static void edge_disconnect(struct usb_serial *serial)
 {
-	int i;
-	struct edgeport_port *edge_port;
-
 	dbg("%s", __func__);
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = usb_get_serial_port_data(serial->port[i]);
-		edge_remove_sysfs_attrs(edge_port->port);
-	}
 }
 
 static void edge_release(struct usb_serial *serial)
@@ -2927,6 +2922,7 @@ static struct usb_serial_driver edgeport_1port_device = {
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
 	.port_probe		= edge_create_sysfs_attrs,
+	.port_remove		= edge_remove_sysfs_attrs,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -2957,6 +2953,7 @@ static struct usb_serial_driver edgeport_2port_device = {
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
 	.port_probe		= edge_create_sysfs_attrs,
+	.port_remove		= edge_remove_sysfs_attrs,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,

kernel/drivers/usb/serial/mos7840.c

@@ -1181,9 +1181,12 @@ static int mos7840_chars_in_buffer(struct tty_struct *tty)
 	}
 
 	spin_lock_irqsave(&mos7840_port->pool_lock, flags);
-	for (i = 0; i < NUM_URBS; ++i)
-		if (mos7840_port->busy[i])
-			chars += URB_TRANSFER_BUFFER_SIZE;
+	for (i = 0; i < NUM_URBS; ++i) {
+		if (mos7840_port->busy[i]) {
+			struct urb *urb = mos7840_port->write_urb_pool[i];
+			chars += urb->transfer_buffer_length;
+		}
+	}
 	spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
 	dbg("%s - returns %d", __func__, chars);
 	return chars;
@@ -2566,7 +2569,6 @@ error:
 		kfree(mos7840_port->ctrl_buf);
 		usb_free_urb(mos7840_port->control_urb);
 		kfree(mos7840_port);
-		serial->port[i] = NULL;
 	}
 	return status;
 }
@@ -2633,6 +2635,7 @@ static void mos7840_release(struct usb_serial *serial)
 		mos7840_port = mos7840_get_port_private(serial->port[i]);
 		dbg("mos7840_port %d = %p", i, mos7840_port);
 		if (mos7840_port) {
+			usb_free_urb(mos7840_port->control_urb);
 			kfree(mos7840_port->ctrl_buf);
 			kfree(mos7840_port->dr);
 			kfree(mos7840_port);

kernel/drivers/usb/serial/omninet.c

@@ -317,7 +317,7 @@ static int omninet_write_room(struct tty_struct *tty)
 	int room = 0; /* Default: no room */
 
 	/* FIXME: no consistent locking for write_urb_busy */
-	if (wport->write_urb_busy)
+	if (!wport->write_urb_busy)
 		room = wport->bulk_out_size - OMNINET_HEADERLEN;
 
 	dbg("%s - returns %d", __func__, room);

kernel/drivers/usb/serial/option.c

@@ -618,6 +618,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
+	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
 	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
 	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },

kernel/drivers/usb/serial/pl2303.c

@@ -100,6 +100,8 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
 	{ USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
+	{ USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
+	{ USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
@@ -615,10 +617,28 @@ static void pl2303_set_termios(struct tty_struct *tty,
 				baud = 6000000;
 		}
 		dbg("%s - baud set = %d", __func__, baud);
-		buf[0] = baud & 0xff;
-		buf[1] = (baud >> 8) & 0xff;
-		buf[2] = (baud >> 16) & 0xff;
-		buf[3] = (baud >> 24) & 0xff;
+		if (baud <= 115200) {
+			buf[0] = baud & 0xff;
+			buf[1] = (baud >> 8) & 0xff;
+			buf[2] = (baud >> 16) & 0xff;
+			buf[3] = (baud >> 24) & 0xff;
+		} else {
+			/* apparently the formula for higher speeds is:
+			 * baudrate = 12M * 32 / (2^buf[1]) / buf[0]
+			 */
+			unsigned tmp = 12*1000*1000*32 / baud;
+			buf[3] = 0x80;
+			buf[2] = 0;
+			buf[1] = (tmp >= 256);
+			while (tmp >= 256) {
+				tmp >>= 2;
+				buf[1] <<= 1;
+			}
+			if (tmp > 256) {
+				tmp %= 256;
+			}
+			buf[0] = tmp;
+		}
 	}
 
 	/* For reference buf[4]=0 is 1 stop bits */

kernel/drivers/usb/serial/pl2303.h

@@ -5,7 +5,7 @@
  *	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.
- * 
+ *
  */
 
 #define BENQ_VENDOR_ID			0x04a5
@@ -140,3 +140,12 @@
 /* Sanwa KB-USB2 multimeter cable (ID: 11ad:0001) */
 #define SANWA_VENDOR_ID		0x11ad
 #define SANWA_PRODUCT_ID	0x0001
+
+/* ADLINK ND-6530 RS232,RS485 and RS422 adapter */
+#define ADLINK_VENDOR_ID		0x0b63
+#define ADLINK_ND6530_PRODUCT_ID	0x6530
+
+/* SMART USB Serial Adapter */
+#define SMART_VENDOR_ID	0x0b8c
+#define SMART_PRODUCT_ID	0x2303
+

kernel/drivers/usb/serial/qcserial.c

@@ -28,6 +28,7 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
 	{USB_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
 	{USB_DEVICE(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
+	{USB_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
 	{USB_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
 	{USB_DEVICE(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
 	{USB_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
@@ -45,6 +46,7 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
 	{USB_DEVICE(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
 	{USB_DEVICE(0x05c6, 0x9008)},	/* Generic Gobi QDL device */
+	{USB_DEVICE(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
 	{USB_DEVICE(0x05c6, 0x9201)},	/* Generic Gobi QDL device */
 	{USB_DEVICE(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
 	{USB_DEVICE(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
@@ -78,6 +80,7 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 	{USB_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 	{USB_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
 	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
 	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */

kernel/drivers/usb/serial/sierra.c

@@ -925,6 +925,7 @@ static void sierra_release(struct usb_serial *serial)
 			continue;
 		kfree(portdata);
 	}
+	kfree(serial->private);
 }
 
 #ifdef CONFIG_PM

kernel/drivers/usb/serial/usb-serial.c

@@ -1071,6 +1071,12 @@ int usb_serial_probe(struct usb_interface *interface,
 		serial->attached = 1;
 	}
 
+	/* Avoid race with tty_open and serial_install by setting the
+	 * disconnected flag and not clearing it until all ports have been
+	 * registered.
+	 */
+	serial->disconnected = 1;
+
 	if (get_free_serial(serial, num_ports, &minor) == NULL) {
 		dev_err(&interface->dev, "No more free serial devices\n");
 		goto probe_error;
@@ -1093,6 +1099,8 @@ int usb_serial_probe(struct usb_interface *interface,
 		}
 	}
 
+	serial->disconnected = 0;
+
 	usb_serial_console_init(debug, minor);
 
 exit:

kernel/drivers/usb/serial/whiteheat.c

@@ -576,6 +576,7 @@ no_firmware:
 		"%s: please contact support@connecttech.com\n",
 		serial->type->description);
 	kfree(result);
+	kfree(command);
 	return -ENODEV;
 
 no_command_private:

kernel/drivers/usb/storage/protocol.c

@@ -58,7 +58,9 @@
 
 void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
 {
-	/* Pad the SCSI command with zeros out to 12 bytes
+	/*
+	 * Pad the SCSI command with zeros out to 12 bytes.  If the
+	 * command already is 12 bytes or longer, leave it alone.
 	 *
 	 * NOTE: This only works because a scsi_cmnd struct field contains
 	 * a unsigned char cmnd[16], so we know we have storage available
@@ -66,9 +68,6 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
 	for (; srb->cmd_len<12; srb->cmd_len++)
 		srb->cmnd[srb->cmd_len] = 0;
 
-	/* set command length to 12 bytes */
-	srb->cmd_len = 12;
-
 	/* send the command to the transport layer */
 	usb_stor_invoke_transport(srb, us);
 }

kernel/drivers/usb/storage/transport.c

@@ -693,6 +693,9 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
 		int temp_result;
 		struct scsi_eh_save ses;
 		int sense_size = US_SENSE_SIZE;
+		struct scsi_sense_hdr sshdr;
+		const u8 *scdd;
+		u8 fm_ili;
 
 		/* device supports and needs bigger sense buffer */
 		if (us->fflags & US_FL_SANE_SENSE)
@@ -776,32 +779,30 @@ Retry_Sense:
 			srb->sense_buffer[7] = (US_SENSE_SIZE - 8);
 		}
 
+		scsi_normalize_sense(srb->sense_buffer, SCSI_SENSE_BUFFERSIZE,
+				     &sshdr);
+
 		US_DEBUGP("-- Result from auto-sense is %d\n", temp_result);
 		US_DEBUGP("-- code: 0x%x, key: 0x%x, ASC: 0x%x, ASCQ: 0x%x\n",
-			  srb->sense_buffer[0],
-			  srb->sense_buffer[2] & 0xf,
-			  srb->sense_buffer[12], 
-			  srb->sense_buffer[13]);
+			  sshdr.response_code, sshdr.sense_key,
+			  sshdr.asc, sshdr.ascq);
 #ifdef CONFIG_USB_STORAGE_DEBUG
-		usb_stor_show_sense(
-			  srb->sense_buffer[2] & 0xf,
-			  srb->sense_buffer[12], 
-			  srb->sense_buffer[13]);
+		usb_stor_show_sense(sshdr.sense_key, sshdr.asc, sshdr.ascq);
 #endif
 
 		/* set the result so the higher layers expect this data */
 		srb->result = SAM_STAT_CHECK_CONDITION;
 
+		scdd = scsi_sense_desc_find(srb->sense_buffer,
+					    SCSI_SENSE_BUFFERSIZE, 4);
+		fm_ili = (scdd ? scdd[3] : srb->sense_buffer[2]) & 0xA0;
+
 		/* We often get empty sense data.  This could indicate that
 		 * everything worked or that there was an unspecified
 		 * problem.  We have to decide which.
 		 */
-		if (	/* Filemark 0, ignore EOM, ILI 0, no sense */
-				(srb->sense_buffer[2] & 0xaf) == 0 &&
-			/* No ASC or ASCQ */
-				srb->sense_buffer[12] == 0 &&
-				srb->sense_buffer[13] == 0) {
-
+		if (sshdr.sense_key == 0 && sshdr.asc == 0 && sshdr.ascq == 0 &&
+		    fm_ili == 0) {
 			/* If things are really okay, then let's show that.
 			 * Zero out the sense buffer so the higher layers
 			 * won't realize we did an unsolicited auto-sense.
@@ -816,7 +817,10 @@ Retry_Sense:
 			 */
 			} else {
 				srb->result = DID_ERROR << 16;
-				srb->sense_buffer[2] = HARDWARE_ERROR;
+				if ((sshdr.response_code & 0x72) == 0x72)
+					srb->sense_buffer[1] = HARDWARE_ERROR;
+				else
+					srb->sense_buffer[2] = HARDWARE_ERROR;
 			}
 		}
 	}

kernel/drivers/usb/storage/unusual_devs.h

@@ -1857,6 +1857,13 @@ UNUSUAL_DEV(  0x1370, 0x6828, 0x0110, 0x0110,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
+/* Reported by Qinglin Ye <yestyle@gmail.com> */
+UNUSUAL_DEV(  0x13fe, 0x3600, 0x0100, 0x0100,
+		"Kingston",
+		"DT 101 G2",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_BULK_IGNORE_TAG ),
+
 /* Reported by Francesco Foresti <frafore@tiscali.it> */
 UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
 		"Super Top",
@@ -1977,6 +1984,16 @@ UNUSUAL_DEV(  0x4146, 0xba01, 0x0100, 0x0100,
 		"Micro Mini 1GB",
 		US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ),
 
+/*
+ * Nick Bowler <nbowler@elliptictech.com>
+ * SCSI stack spams (otherwise harmless) error messages.
+ */
+UNUSUAL_DEV(  0xc251, 0x4003, 0x0100, 0x0100,
+		"Keil Software, Inc.",
+		"V2M MotherBoard",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_NOT_LOCKABLE),
+
 /* Reported by Andrew Simmons <andrew.simmons@gmail.com> */
 UNUSUAL_DEV(  0xed06, 0x4500, 0x0001, 0x0001,
 		"DataStor",

kernel/drivers/usb/storage/usb.c

@@ -1025,6 +1025,7 @@ static struct usb_driver usb_storage_driver = {
 	.post_reset =	usb_stor_post_reset,
 	.id_table =	usb_storage_usb_ids,
 	.soft_unbind =	1,
+	.no_dynamic_id = 1,
 };
 
 static int __init usb_stor_init(void)

kernel/include/linux/usb/ehci_def.h

@@ -46,7 +46,7 @@ struct ehci_caps {
 #define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1))  /* true: periodic_size changes*/
 #define HCC_64BIT_ADDR(p)       ((p)&(1))       /* true: can use 64-bit addr */
 	u8		portroute [8];	 /* nibbles for routing - offset 0xC */
-} __attribute__ ((packed));
+};
 
 
 /* Section 2.3 Host Controller Operational Registers */
@@ -125,7 +125,7 @@ struct ehci_regs {
 #define PORT_CSC	(1<<1)		/* connect status change */
 #define PORT_CONNECT	(1<<0)		/* device connected */
 #define PORT_RWC_BITS   (PORT_CSC | PORT_PEC | PORT_OCC)
-} __attribute__ ((packed));
+};
 
 #define USBMODE		0x68		/* USB Device mode */
 #define USBMODE_SDIS	(1<<3)		/* Stream disable */
@@ -169,7 +169,7 @@ struct ehci_dbg_port {
 	u32	data47;
 	u32	address;
 #define DBGP_EPADDR(dev, ep)	(((dev)<<8)|(ep))
-} __attribute__ ((packed));
+};
 
 #ifdef CONFIG_EARLY_PRINTK_DBGP
 #include <linux/init.h>

kernel/include/linux/usb/usbnet.h

@@ -171,7 +171,8 @@ extern void usbnet_cdc_unbind (struct usbnet *, struct usb_interface *);
 enum skb_state {
 	illegal = 0,
 	tx_start, tx_done,
-	rx_start, rx_done, rx_cleanup
+	rx_start, rx_done, rx_cleanup,
+	unlink_start
 };
 
 struct skb_data {	/* skb->cb is one of these */