---

yaml
---
r: 334557
b: refs/heads/master
c: 6b7ced6
h: refs/heads/master
i:
  334555: e02e0bd
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 69da85edbab5cd42909d3ba65b3dad1c1fb40206
+refs/heads/master: 6b7ced68f3fbbab6e9625b957f1ea0add22a5ac7

trunk/MAINTAINERS

@@ -7731,6 +7731,13 @@ W:	http://www.ideasonboard.org/uvc/
 S:	Maintained
 F:	drivers/media/usb/uvc/
 
+USB WEBCAM GADGET
+M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L:	linux-usb@vger.kernel.org
+S:	Maintained
+F:	drivers/usb/gadget/*uvc*.c
+F:	drivers/usb/gadget/webcam.c
+
 USB WIRELESS RNDIS DRIVER (rndis_wlan)
 M:	Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
 L:	linux-wireless@vger.kernel.org

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

@@ -817,10 +817,6 @@ static const __u32 acm_tty_speed[] = {
 	2500000, 3000000, 3500000, 4000000
 };
 
-static const __u8 acm_tty_size[] = {
-	5, 6, 7, 8
-};
-
 static void acm_tty_set_termios(struct tty_struct *tty,
 						struct ktermios *termios_old)
 {
@@ -834,7 +830,21 @@ static void acm_tty_set_termios(struct tty_struct *tty,
 	newline.bParityType = termios->c_cflag & PARENB ?
 				(termios->c_cflag & PARODD ? 1 : 2) +
 				(termios->c_cflag & CMSPAR ? 2 : 0) : 0;
-	newline.bDataBits = acm_tty_size[(termios->c_cflag & CSIZE) >> 4];
+	switch (termios->c_cflag & CSIZE) {
+	case CS5:
+		newline.bDataBits = 5;
+		break;
+	case CS6:
+		newline.bDataBits = 6;
+		break;
+	case CS7:
+		newline.bDataBits = 7;
+		break;
+	case CS8:
+	default:
+		newline.bDataBits = 8;
+		break;
+	}
 	/* FIXME: Needs to clear unsupported bits in the termios */
 	acm->clocal = ((termios->c_cflag & CLOCAL) != 0);
 
@@ -1233,7 +1243,7 @@ static int acm_probe(struct usb_interface *intf,
 
 		if (usb_endpoint_xfer_int(epwrite))
 			usb_fill_int_urb(snd->urb, usb_dev,
-				usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
+				usb_sndintpipe(usb_dev, epwrite->bEndpointAddress),
 				NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
 		else
 			usb_fill_bulk_urb(snd->urb, usb_dev,

trunk/drivers/usb/core/devio.c

@@ -1348,6 +1348,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 					ret = -EFAULT;
 					goto error;
 				}
+				uurb->buffer += u;
 			}
 			totlen -= u;
 		}

trunk/drivers/usb/core/driver.c

@@ -367,6 +367,10 @@ static int usb_probe_interface(struct device *dev)
 	intf->condition = USB_INTERFACE_UNBOUND;
 	usb_cancel_queued_reset(intf);
 
+	/* If the LPM disable succeeded, balance the ref counts. */
+	if (!lpm_disable_error)
+		usb_unlocked_enable_lpm(udev);
+
 	/* Unbound interfaces are always runtime-PM-disabled and -suspended */
 	if (driver->supports_autosuspend)
 		pm_runtime_disable(dev);

trunk/drivers/usb/core/hub.c

@@ -3241,8 +3241,7 @@ static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state)
 			(state == USB3_LPM_U2 &&
 			 (u2_sel > USB3_LPM_MAX_U2_SEL_PEL ||
 			  u2_pel > USB3_LPM_MAX_U2_SEL_PEL))) {
-		dev_dbg(&udev->dev, "Device-initiated %s disabled due "
-				"to long SEL %llu ms or PEL %llu ms\n",
+		dev_dbg(&udev->dev, "Device-initiated %s disabled due to long SEL %llu us or PEL %llu us\n",
 				usb3_lpm_names[state], u1_sel, u1_pel);
 		return -EINVAL;
 	}
@@ -3319,16 +3318,6 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev,
 	}
 
 	if (enable) {
-		/*
-		 * First, let the device know about the exit latencies
-		 * associated with the link state we're about to enable.
-		 */
-		ret = usb_req_set_sel(udev, state);
-		if (ret < 0) {
-			dev_warn(&udev->dev, "Set SEL for device-initiated "
-					"%s failed.\n", usb3_lpm_names[state]);
-			return -EBUSY;
-		}
 		/*
 		 * Now send the control transfer to enable device-initiated LPM
 		 * for either U1 or U2.
@@ -3414,7 +3403,28 @@ static int usb_set_lpm_timeout(struct usb_device *udev,
 static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
 		enum usb3_link_state state)
 {
-	int timeout;
+	int timeout, ret;
+	__u8 u1_mel = udev->bos->ss_cap->bU1devExitLat;
+	__le16 u2_mel = udev->bos->ss_cap->bU2DevExitLat;
+
+	/* If the device says it doesn't have *any* exit latency to come out of
+	 * U1 or U2, it's probably lying.  Assume it doesn't implement that link
+	 * state.
+	 */
+	if ((state == USB3_LPM_U1 && u1_mel == 0) ||
+			(state == USB3_LPM_U2 && u2_mel == 0))
+		return;
+
+	/*
+	 * First, let the device know about the exit latencies
+	 * associated with the link state we're about to enable.
+	 */
+	ret = usb_req_set_sel(udev, state);
+	if (ret < 0) {
+		dev_warn(&udev->dev, "Set SEL for device-initiated %s failed.\n",
+				usb3_lpm_names[state]);
+		return;
+	}
 
 	/* We allow the host controller to set the U1/U2 timeout internally
 	 * first, so that it can change its schedule to account for the

trunk/drivers/usb/gadget/Kconfig

@@ -952,6 +952,7 @@ endif
 config USB_G_WEBCAM
 	tristate "USB Webcam Gadget"
 	depends on VIDEO_DEV
+	select USB_LIBCOMPOSITE
 	help
 	  The Webcam Gadget acts as a composite USB Audio and Video Class
 	  device. It provides a userspace API to process UVC control requests

trunk/drivers/usb/host/ehci-vt8500.c

@@ -85,6 +85,8 @@ static const struct hc_driver vt8500_ehci_hc_driver = {
 	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
 };
 
+static u64 vt8500_ehci_dma_mask = DMA_BIT_MASK(32);
+
 static int vt8500_ehci_drv_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd;
@@ -95,6 +97,14 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev)
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask set.
+	 * Since shared usb code relies on it, set it here for now.
+	 * Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &vt8500_ehci_dma_mask;
+
 	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
 		pr_debug("resource[1] is not IORESOURCE_IRQ");
 		return -ENOMEM;

trunk/drivers/usb/host/uhci-platform.c

@@ -60,6 +60,7 @@ static const struct hc_driver uhci_platform_hc_driver = {
 	.hub_control =		uhci_hub_control,
 };
 
+static u64 platform_uhci_dma_mask = DMA_BIT_MASK(32);
 
 static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
 {
@@ -71,6 +72,14 @@ static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
 	if (usb_disabled())
 		return -ENODEV;
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask set.
+	 * Since shared usb code relies on it, set it here for now.
+	 * Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &platform_uhci_dma_mask;
+
 	hcd = usb_create_hcd(&uhci_platform_hc_driver, &pdev->dev,
 			pdev->name);
 	if (!hcd)

trunk/drivers/usb/host/xhci.c

@@ -479,7 +479,8 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
 
 	if (strstr(dmi_product_name, "Z420") ||
 			strstr(dmi_product_name, "Z620") ||
-			strstr(dmi_product_name, "Z820"))
+			strstr(dmi_product_name, "Z820") ||
+			strstr(dmi_product_name, "Z1"))
 		return true;
 
 	return false;

trunk/drivers/usb/serial/ark3116.c

@@ -125,9 +125,6 @@ static inline int calc_divisor(int bps)
 
 static int ark3116_attach(struct usb_serial *serial)
 {
-	struct usb_serial_port *port = serial->port[0];
-	struct ark3116_private *priv;
-
 	/* make sure we have our end-points */
 	if ((serial->num_bulk_in == 0) ||
 	    (serial->num_bulk_out == 0) ||
@@ -142,8 +139,15 @@ static int ark3116_attach(struct usb_serial *serial)
 		return -EINVAL;
 	}
 
-	priv = kzalloc(sizeof(struct ark3116_private),
-		       GFP_KERNEL);
+	return 0;
+}
+
+static int ark3116_port_probe(struct usb_serial_port *port)
+{
+	struct usb_serial *serial = port->serial;
+	struct ark3116_private *priv;
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
@@ -198,18 +202,15 @@ static int ark3116_attach(struct usb_serial *serial)
 	return 0;
 }
 
-static void ark3116_release(struct usb_serial *serial)
+static int ark3116_port_remove(struct usb_serial_port *port)
 {
-	struct usb_serial_port *port = serial->port[0];
 	struct ark3116_private *priv = usb_get_serial_port_data(port);
 
 	/* device is closed, so URBs and DMA should be down */
-
-	usb_set_serial_port_data(port, NULL);
-
 	mutex_destroy(&priv->hw_lock);
-
 	kfree(priv);
+
+	return 0;
 }
 
 static void ark3116_init_termios(struct tty_struct *tty)
@@ -723,7 +724,8 @@ static struct usb_serial_driver ark3116_device = {
 	.id_table =		id_table,
 	.num_ports =		1,
 	.attach =		ark3116_attach,
-	.release =		ark3116_release,
+	.port_probe =		ark3116_port_probe,
+	.port_remove =		ark3116_port_remove,
 	.set_termios =		ark3116_set_termios,
 	.init_termios =		ark3116_init_termios,
 	.ioctl =		ark3116_ioctl,

trunk/drivers/usb/serial/belkin_sa.c

@@ -45,8 +45,8 @@
 #define DRIVER_DESC "USB Belkin Serial converter driver"
 
 /* function prototypes for a Belkin USB Serial Adapter F5U103 */
-static int  belkin_sa_startup(struct usb_serial *serial);
-static void belkin_sa_release(struct usb_serial *serial);
+static int belkin_sa_port_probe(struct usb_serial_port *port);
+static int belkin_sa_port_remove(struct usb_serial_port *port);
 static int  belkin_sa_open(struct tty_struct *tty,
 			struct usb_serial_port *port);
 static void belkin_sa_close(struct usb_serial_port *port);
@@ -88,8 +88,8 @@ static struct usb_serial_driver belkin_device = {
 	.break_ctl =		belkin_sa_break_ctl,
 	.tiocmget =		belkin_sa_tiocmget,
 	.tiocmset =		belkin_sa_tiocmset,
-	.attach =		belkin_sa_startup,
-	.release =		belkin_sa_release,
+	.port_probe =		belkin_sa_port_probe,
+	.port_remove =		belkin_sa_port_remove,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {
@@ -118,17 +118,15 @@ struct belkin_sa_private {
 					    (c), BELKIN_SA_SET_REQUEST_TYPE, \
 					    (v), 0, NULL, 0, WDR_TIMEOUT)
 
-/* do some startup allocations not currently performed by usb_serial_probe() */
-static int belkin_sa_startup(struct usb_serial *serial)
+static int belkin_sa_port_probe(struct usb_serial_port *port)
 {
-	struct usb_device *dev = serial->dev;
+	struct usb_device *dev = port->serial->dev;
 	struct belkin_sa_private *priv;
 
-	/* allocate the private data structure */
 	priv = kmalloc(sizeof(struct belkin_sa_private), GFP_KERNEL);
 	if (!priv)
-		return -1; /* error */
-	/* set initial values for control structures */
+		return -ENOMEM;
+
 	spin_lock_init(&priv->lock);
 	priv->control_state = 0;
 	priv->last_lsr = 0;
@@ -140,18 +138,19 @@ static int belkin_sa_startup(struct usb_serial *serial)
 					le16_to_cpu(dev->descriptor.bcdDevice),
 					priv->bad_flow_control);
 
-	init_waitqueue_head(&serial->port[0]->write_wait);
-	usb_set_serial_port_data(serial->port[0], priv);
+	usb_set_serial_port_data(port, priv);
 
 	return 0;
 }
 
-static void belkin_sa_release(struct usb_serial *serial)
+static int belkin_sa_port_remove(struct usb_serial_port *port)
 {
-	int i;
+	struct belkin_sa_private *priv;
 
-	for (i = 0; i < serial->num_ports; ++i)
-		kfree(usb_get_serial_port_data(serial->port[i]));
+	priv = usb_get_serial_port_data(port);
+	kfree(priv);
+
+	return 0;
 }
 
 static int belkin_sa_open(struct tty_struct *tty,