From 1ef6c42afc76d2e88a7972e2f59082305d9945bc Mon Sep 17 00:00:00 2001
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Wed, 9 May 2018 19:29:16 +0800
Subject: usb: gadget: composite: fill bcdUSB as 0x0320 for SuperSpeed or
higher speeds
The USB3CV version 2.1.80 (March 26, 2018) requires all devices
( gen1, gen2, single lane, dual lane) to return the value of 0x0320
in the bcdUSB field
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---
drivers/usb/gadget/composite.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'drivers/usb/gadget')
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 63a7cb87514a..f242c2bcea81 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1601,7 +1601,7 @@ 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(0x0310);
+ cdev->desc.bcdUSB = cpu_to_le16(0x0320);
cdev->desc.bMaxPacketSize0 = 9;
} else {
cdev->desc.bcdUSB = cpu_to_le16(0x0210);
--
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