Re: [PATCH v8 3/5] rust: add basic serial device bus abstractions

[Danilo Krummrich]

On Sat May 30, 2026 at 10:31 PM CEST, Markus Probst wrote:
> On Sat, 2026-05-30 at 21:45 +0200, Danilo Krummrich wrote:
>> On Sat May 30, 2026 at 8:55 PM CEST, Markus Probst wrote:
>> > pin-init doesn't have enum support yet, so at least in my driver devres is
>> > still required for now.
>> 
>> Hm...how is this related to having a registration type that takes a lifetime
>> rather than a registration type being wrapped in Devres?
> In order to register "optional" devices, the driver currently uses
> devres::register.
>
> I just released I could use KBox for this.

Ah, so you basically use devres::register() to avoid a pinned Option. Let's not
absuse devres for this.

The class device registration should rather use a lifetime now that we got all
the infrastructure for this; the pinned Option problem can be tackled otherwise.