usb: gadget: composite: Return bcdUSB 0x0310
authorJohn Youn <John.Youn@synopsys.com>
Sat, 6 Feb 2016 01:05:40 +0000 (17:05 -0800)
committerFelipe Balbi <balbi@kernel.org>
Fri, 4 Mar 2016 13:14:22 +0000 (15:14 +0200)
The USB 3.1 specification replaces the USB 3.0 specification and all new
devices that are running at SuperSpeed or higher speeds must report a
bcdUSB of 0x0310.

Refer to USB 3.1 Specification, Revision 1.0, Section 9.6.

Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
drivers/usb/gadget/composite.c

index 8b14c2a..ce5dbc5 100644 (file)
@@ -1499,7 +1499,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                                cdev->gadget->ep0->maxpacket;
                        if (gadget_is_superspeed(gadget)) {
                                if (gadget->speed >= USB_SPEED_SUPER) {
-                                       cdev->desc.bcdUSB = cpu_to_le16(0x0300);
+                                       cdev->desc.bcdUSB = cpu_to_le16(0x0310);
                                        cdev->desc.bMaxPacketSize0 = 9;
                                } else {
                                        cdev->desc.bcdUSB = cpu_to_le16(0x0210);