[PATCH] usb: gadget: composite: fill bcdUSB as 0x0320 for SuperSpeed or higher speeds

Felipe Balbi felipe.balbi at linux.intel.com
Tue May 15 00:22:03 PDT 2018


Hi,

Chunfeng Yun <chunfeng.yun at mediatek.com> writes:
> On Wed, 2018-05-09 at 14:33 +0300, Felipe Balbi wrote:
>> Hi,
>> 
>> Chunfeng Yun <chunfeng.yun at mediatek.com> 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?
> Yes, it will fail, the last version requires it 0x0310
>> 
>> Care to share a screenshot or the raw html of the test result?
> A screenshot is attached

really odd. But I'll apply the patch.

thanks

-- 
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 832 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20180515/20749c58/attachment.sig>


More information about the linux-arm-kernel mailing list