Re: [RFC PATCH] USB:XHCI:Modify XHCI driver for USB2.0 controller

liulongfang
2021-02-27T03:32:21Z

On 2021/2/26 16:38, Greg KH wrote:
> On Fri, Feb 26, 2021 at 04:21:37PM +0800, Longfang Liu wrote:
>> Our current XHCI hardware controller has been customized to only
>> support USB 2.0 ports.
>
> That sounds like a spec violation, right? Why do you want to do this?
>
> greg k-h
> .
>
I hope to support a USB2.0-only mode on the XHCI controller
through software configuration.
Thanks.
Longfang Liu