Re: [PATCH 1/2] PM: runtime: Fix I/O hang due to race between resume and runtime disable

[Bart Van Assche]

On 11/26/25 7:41 AM, Rafael J. Wysocki wrote:
> As it stands, you have a basic problem with respect to system
> suspend/hibernation.  As I said before, the PM workqueue is frozen
> during system suspend/hibernation transitions, so waiting for an async
> resume request to complete then is pointless.

Agreed. I noticed that any attempt to call request_firmware() from
driver system resume callback functions causes a deadlock if these
calls happen before the block device has been resumed.

Thanks,

Bart.