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

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Message-ID: <20251009170739.235221-1-markus.probst@posteo.de>
Date: Thu, 09 Oct 2025 17:07:55 +0000
From: Markus Probst <markus.probst@...teo.de>
To: 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,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Markus Probst <markus.probst@...teo.de>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-leds@...r.kernel.org
Subject: [PATCH 0/2] rust: leds: add led classdev abstractions

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 gurantee that these will never be moved.

* add basic led classdev abstractions to register and unregister leds


Markus Probst (2):
  rust: add basic Pin<Vec<T, A>> abstractions
  rust: leds: add basic led classdev abstractions

 rust/kernel/alloc.rs      |   1 +
 rust/kernel/alloc/kvec.rs |  86 +++++++++++
 rust/kernel/led.rs        | 296 ++++++++++++++++++++++++++++++++++++++
 rust/kernel/lib.rs        |   1 +
 rust/kernel/prelude.rs    |   2 +-
 5 files changed, 385 insertions(+), 1 deletion(-)
 create mode 100644 rust/kernel/led.rs

-- 
2.49.1