Re: [PATCH 4/5] rust: i2c: add I2C wrappers

[Danilo Krummrich]

On Wed Feb 4, 2026 at 5:49 PM CET, Igor Korotin wrote:
> `Bound` can be safely dereferenced to `Normal`. Since `Normal` represents
> the minimal required typestate for device operations, any API that works
> with `Normal` automatically works with `Bound` or `Core` as well. Requiring
> `Bound` would unnecessarily restrict the API and force duplication or 
> unsafe casts.

We cannot allow drivers to retain access to device resources of unbound devices.
To prevent that we never give out a pci::Bar or IoMem instance without a Devres
container.