Re: [PATCH v0] PM: wakeup: call device resume after superior device complete resume

[Rafael J. Wysocki]

On Mon, Jan 12, 2026 at 4:15 PM Li XingYang <yanhuoguifan@xxxxxxxxx> wrote:
>
> Background:
> Extist device A,B and C.A is parent of B,C has no dependency on
> either A or B.A is an asynchronously resume device,
> while B and C are synchronously resume devices.dpm_list: A->B->C.
> When A has not completed asynchronous resume,
> the main loop will be blocked at B,and C cannot start resume
> even if it is not associated with either A or B.

Yes, that's how "synchronous" works by design.

If you need/want C to suspend/resume independently of A and B, make it
async instead of hacking the core code.

Thanks!