From mboxrd@z Thu Jan 1 00:00:00 1970 From: chunfeng.yun@mediatek.com (Chunfeng Yun) Date: Wed, 9 May 2018 19:29:16 +0800 Subject: [PATCH] usb: gadget: composite: fill bcdUSB as 0x0320 for SuperSpeed or higher speeds Message-ID: <69cc710fa8b7d18c494c9f482fd2b8e6fb7c0c94.1525865206.git.chunfeng.yun@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- drivers/usb/gadget/composite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 63a7cb8..f242c2b 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1601,7 +1601,7 @@ static int fill_ext_prop(struct usb_configuration *c, int interface, u8 *buf) 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); -- 1.9.1