linux-kernel - Re: [PATCH v4 0/2] rust: leds: add led classdev abstractions

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Message-Id: <DDGHH3LYULXQ.1GHK75Q9GK2W6@kernel.org>
Date: Sun, 12 Oct 2025 18:27:47 +0200
From: "Benno Lossin" <lossin@...nel.org>
To: "Markus Probst" <markus.probst@...teo.de>, "Danilo Krummrich"
 <dakr@...nel.org>, "Miguel Ojeda" <ojeda@...nel.org>, "Alex Gaynor"
 <alex.gaynor@...il.com>, "Lee Jones" <lee@...nel.org>, "Pavel Machek"
 <pavel@...nel.org>
Cc: "Lorenzo Stoakes" <lorenzo.stoakes@...cle.com>, "Vlastimil Babka"
 <vbabka@...e.cz>, "Liam R. Howlett" <Liam.Howlett@...cle.com>, "Uladzislau
 Rezki" <urezki@...il.com>, "Boqun Feng" <boqun.feng@...il.com>, "Gary Guo"
 <gary@...yguo.net>, <bjorn3_gh@...tonmail.com>, "Andreas Hindborg"
 <a.hindborg@...nel.org>, "Alice Ryhl" <aliceryhl@...gle.com>, "Trevor
 Gross" <tmgross@...ch.edu>, <rust-for-linux@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <linux-leds@...r.kernel.org>
Subject: Re: [PATCH v4 0/2] rust: leds: add led classdev abstractions

On Sun Oct 12, 2025 at 4:52 PM CEST, Markus Probst wrote:
> This patch series has previously been contained in
> https://lore.kernel.org/rust-for-linux/20251008181027.662616-1-markus.probst@posteo.de/T/#t
> which added a rust written led driver for a microcontroller via i2c.
>
> As the reading and writing to the i2c client via the register!
> macro has not been implemented yet [1], the patch series will only
> contain the additional abstractions required.
>
> [1] https://lore.kernel.org/rust-for-linux/DDDS2V0V2NVJ.16ZKXCKUA1HUV@kernel.org/
>
> The following changes were made:
> * add basic Pin<Vec<T, A>> abstractions, that allow to initialize PinInit items with
>   the guarantee that these will never be moved.
>
> * add basic led classdev abstractions to register and unregister leds
>
> Changes since v3:
> * fixed kunit tests failing because of example in documentation

Please give time for more feedback before sending a new version.

---
Cheers,
Benno