From mboxrd@z Thu Jan 1 00:00:00 1970 From: chunfeng.yun@mediatek.com (Chunfeng Yun) Date: Thu, 10 May 2018 08:03:06 +0800 Subject: [PATCH] usb: gadget: composite: fill bcdUSB as 0x0320 for SuperSpeed or higher speeds In-Reply-To: <8736z1kqrq.fsf@linux.intel.com> References: <69cc710fa8b7d18c494c9f482fd2b8e6fb7c0c94.1525865206.git.chunfeng.yun@mediatek.com> <8736z1kqrq.fsf@linux.intel.com> Message-ID: <1525910586.25162.40.camel@mhfsdcap03> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Wed, 2018-05-09 at 14:33 +0300, Felipe Balbi wrote: > Hi, > > Chunfeng Yun writes: > > 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 > > this sounds really odd. What happens when I get a USB 3.1 compliant > device off-the-shelf and run it through USB3CV? will it fail now? It will fail, the last version require it 0x0310 > > Care to share a screenshot or the raw html of the test result? A screenshot is attached > -------------- next part -------------- A non-text attachment was scrubbed... Name: dev_desc_test_fail.png Type: image/png Size: 16866 bytes Desc: not available URL: