Merge 3.14-rc6 into usb-next

We want the USB fixes in here as well.

2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 14ba398d6def..1ab4df1de2da 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -716,6 +716,10 @@ int usb_get_configuration(struct usb_device *dev)
                         result = -ENOMEM;
                         goto err;
                 }
+
+                if (dev->quirks & USB_QUIRK_DELAY_INIT)
+                        msleep(100);
+
                 result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno,
                     bigbuffer, length);
                 if (result < 0) {
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 8f37063c0a49..739ee8e8bdfd 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -47,6 +47,10 @@ static const struct usb_device_id usb_quirk_list[] = {
         /* Microsoft LifeCam-VX700 v2.0 */
         { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
+        /* Logitech HD Pro Webcams C920 and C930e */
+        { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
+        { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
+
         /* Logitech Quickcam Fusion */
         { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },