Hello,

How do I NOT put XHCI into sleep and keep standby for USB keyboard
interrupts?
I cannot find system tunables for this option..
As for the debugging, how do I see the interactions between the BIOS and HC?

Thanks,
Julian

On Thu, Feb 11, 2016 at 4:01 PM, Hans Petter Selasky <h...@selasky.org>
wrote:

> On 02/11/16 07:36, Dee Zay wrote:
>
>> Hello,
>>
>> Thank you very much for the prompt reply.
>> What are the issues if the HC remains powered on during suspend/resume?
>> Is this something not to be resolved in the near future?
>>
>>
> Hi,
>
> There is no issue with suspend as I'm aware.
>
> The problem is resume, that we would like to completely reset the HC and
> re-start enumeration and not use the handover from the BIOS.
>
> You should also check what the BIOS is doing when it sees a HC which is
> different modes when entering suspend.
>
> USB code is here: sys/dev/usb/controller/{ehci.c,uhci.c,ohci.c,xhci.c}
>
> --HPS
>
>
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