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.