Re: [PATCH v3 1/3] rust: i2c: add basic I2C device and driver abstractions

[Igor Korotin <igor.korotin.linux@gmail.com>]

Hello Danilo

On 8/2/25 01:00, Danilo Krummrich wrote:
> (Cc: Wolfram)
> 
> On Fri Aug 1, 2025 at 5:40 PM CEST, Igor Korotin wrote:
>> Implement the core abstractions needed for I2C drivers, including:
>>
>> * `i2c::Driver` — the trait drivers must implement, including `probe`
>>
>> * `i2c::Device` — a safe wrapper around `struct i2c_client`
>>
>> * `i2c::Adapter` — implements `driver::RegistrationOps` to hook into the
>>   generic `driver::Registration` machinery
>>
>> * `i2c::DeviceId` — a `RawDeviceIdIndex` implementation for I2C device IDs
>>
>> Signed-off-by: Igor Korotin <igor.korotin.linux@gmail.com>
>> ---
>>  MAINTAINERS                     |   7 +
>>  rust/bindings/bindings_helper.h |   1 +
>>  rust/kernel/i2c.rs              | 391 ++++++++++++++++++++++++++++++++
>>  rust/kernel/lib.rs              |   2 +
>>  4 files changed, 401 insertions(+)
>>  create mode 100644 rust/kernel/i2c.rs
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index 4f03e230f3c5..767beaa0f7c2 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -11514,6 +11514,13 @@ F:	include/linux/i2c.h
>>  F:	include/uapi/linux/i2c-*.h
>>  F:	include/uapi/linux/i2c.h
>>  
>> +I2C SUBSYSTEM [RUST]
> 
> Has this been agreed with Wolfram off-list? (I'm asking since I haven't seen a
> reply from him in v2.)
> 
> In case you just did not receive an answer yet, it's fine to proceed with a
> proposal as you do here. However, please make sure to keep Wolfram in the loop.
> :)
> 
> In either case, which tree should patches flow through?
> 
>> +M:	Igor Korotin <igor.korotin.linux@gmail.com>
>> +R:	Danilo Krummrich <dakr@kernel.org>
> 
> If you'd like me to keep an eye on this as well, this is fine with me.
> 

Yeah. I really need your help if you don't mind. Thanks.

Could you also briefly tell me finally which tree for patches should I
use, how do I do it and if I need to represent it in the MAINTAINERS
file somehow?

Thanks a lot for your help and review.

Best Regards
Igor