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Subject: Re: minor improve for xhci_cmd_stop_ep in
 xhci_configure_reset_endpoint
From: Hans Petter Selasky <hps@selasky.org>
To: Shichun.Ma@dell.com, freebsd-usb@freebsd.org
Cc: Shunchao.Hu@dell.com
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On 2020-01-10 09:57, Hans Petter Selasky wrote:
> Hi,
> 
> Can you test the attached patch?
> 

HI,

How are we sure that the XHCI doesn't cache the device endpoint state in 
its internal memory cache. I.E. that it doesn't update the device 
context in host memory at all times?

I think it is better to query the XHCI controller and if we get an error 
back that is OK.

--HPS