Messages in this thread | | | Date | Fri, 26 Feb 2021 11:30:04 -0500 | From | Alan Stern <> | Subject | Re: [RFC PATCH] USB:XHCI:Modify XHCI driver for USB2.0 controller |
| |
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. When using the current xhci driver, an xhci > controller device and an ehci controller device will be created > automatically.
That sentence makes no sense at all. An EHCI controller device is a piece of hardware. How can an xHCI driver, which is a piece of software, create a piece of hardware?
Alan Stern
| |