Re: [PATCH v3 2/4] usb: aspeed-vhub: fix remote wakeup failure in iKVM use case

From: Benjamin Herrenschmidt
Date: Mon Dec 13 2021 - 21:41:20 EST


On Thu, 2021-12-09 at 02:37 +0000, Neal Liu wrote:
> I'm confused. Signaling Wakeup when wakeup_en is set if it has any ep
> activities is not exactly what you said?
>
> wakeup_en is set only if host allows this device have wakeup
> capability and bus being suspended.
>
> Normal ep activities would not write the MMIO because wakeup_en is
> not set.

Hrm... I didn't think wakeup_en was limited to the bus being suspended,
but maybe I misremember, it's been a while.

Cheers,
Ben.